/* roulang page: index */
:root {
            --c-bg-dark: #1A0B2E;
            --c-bg-deep: #0F0A1A;
            --c-bg-light: #F7F5FA;
            --c-bg-white: #FFFFFF;
            --c-bg-purple-mid: #2D1154;
            --c-primary-orange: #FF6B1A;
            --c-primary-orange-light: #FF8C42;
            --c-secondary-cyan: #22D3EE;
            --c-secondary-cyan-light: #00E5FF;
            --c-accent-pink: #E91E8C;
            --c-text-dark: #221533;
            --c-text-light: #FFFFFF;
            --c-text-muted-light: #B8B0C9;
            --c-text-muted-dark: #6E6480;
            --c-border-light: #E6E1ED;
            --c-border-dark: rgba(255, 255, 255, 0.12);
            --c-shadow-dark: rgba(26, 11, 46, 0.14);
            --c-shadow-orange: rgba(255, 107, 26, 0.18);
            --c-shadow-cyan: rgba(34, 211, 238, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-round: 999px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 3px solid var(--c-secondary-cyan);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xxl) 0;
        }

        .section--dark {
            background: var(--c-bg-dark);
            color: var(--c-text-light);
        }

        .section--deep {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
        }

        .section--light {
            background: var(--c-bg-light);
            color: var(--c-text-dark);
        }

        .section--white {
            background: var(--c-bg-white);
            color: var(--c-text-dark);
        }

        .section--purple-mid {
            background: var(--c-bg-purple-mid);
            color: var(--c-text-light);
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: inherit;
        }

        .section-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }

        .section--dark .section-subtitle,
        .section--deep .section-subtitle,
        .section--purple-mid .section-subtitle {
            color: var(--c-text-muted-light);
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        .section-header--center {
            text-align: center;
        }

        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-gradient-orange {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-pink {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-xs);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border-radius: 10px;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--c-primary-orange);
            color: #fff;
            box-shadow: 0 6px 20px var(--c-shadow-orange);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            box-shadow: 0 10px 28px rgba(233, 30, 140, 0.25);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px var(--c-shadow-orange);
        }

        .btn-secondary {
            background: transparent;
            color: var(--c-text-light);
            border: 2px solid var(--c-secondary-cyan);
            box-shadow: 0 0 0 transparent;
        }

        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: var(--c-secondary-cyan-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px var(--c-shadow-cyan);
        }

        .btn-secondary--dark {
            color: var(--c-text-dark);
            border-color: var(--c-secondary-cyan);
        }

        .btn-secondary--dark:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: var(--c-secondary-cyan-light);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary-orange);
            font-weight: 600;
            font-size: 15px;
            transition: gap var(--transition-fast);
        }

        .btn-text:hover {
            color: var(--c-accent-pink);
            gap: 10px;
        }

        .btn-text--light {
            color: var(--c-secondary-cyan);
        }

        .btn-text--light:hover {
            color: var(--c-secondary-cyan-light);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--nav-height);
            background: rgba(26, 11, 46, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--c-border-dark);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(26, 11, 46, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-md);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .nav-logo-dot {
            width: 14px;
            height: 14px;
            background: var(--c-primary-orange);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255, 107, 26, 0.7);
            flex-shrink: 0;
            animation: logoPulse 2.2s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 12px rgba(255, 107, 26, 0.7);
            }
            50% {
                box-shadow: 0 0 22px rgba(34, 211, 238, 0.7);
            }
        }

        .nav-logo span {
            color: var(--c-secondary-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-muted-light);
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255, 107, 26, 0.18);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--c-primary-orange);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-shrink: 0;
        }

        .nav-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transition: all var(--transition-fast);
            font-size: 16px;
        }

        .nav-search-btn:hover {
            background: rgba(34, 211, 238, 0.2);
            color: var(--c-secondary-cyan);
        }

        .nav-cta {
            padding: 10px 20px;
            font-size: 14px;
            background: var(--c-primary-orange);
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            box-shadow: 0 6px 18px var(--c-shadow-orange);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-mobile {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 11, 46, 0.99);
            z-index: 998;
            padding: var(--space-md);
            overflow-y: auto;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .nav-mobile.open {
            display: flex;
        }

        .nav-mobile-link {
            display: block;
            padding: 16px 20px;
            font-size: 17px;
            font-weight: 500;
            color: #fff;
            border-radius: 12px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .nav-mobile-link:hover,
        .nav-mobile-link.active {
            background: rgba(255, 107, 26, 0.12);
            border-color: rgba(255, 107, 26, 0.3);
            color: var(--c-primary-orange-light);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            background: var(--c-bg-dark);
            color: var(--c-text-light);
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(45, 17, 84, 0.75) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 70%, rgba(255, 107, 26, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 60% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: var(--space-xl);
            align-items: center;
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: var(--space-xl) var(--space-md);
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .hero-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .hero-brand .nav-logo-dot {
            width: 16px;
            height: 16px;
        }

        .hero h1 {
            font-family: var(--font-title);
            font-size: clamp(36px, 5vw, 52px);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -1px;
            color: #fff;
            margin: 0;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-xs);
        }

        .hero-stats {
            display: flex;
            gap: var(--space-lg);
            margin-top: var(--space-sm);
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
        }

        .hero-stat-value .accent {
            color: var(--c-primary-orange-light);
        }

        .hero-stat-value .cyan {
            color: var(--c-secondary-cyan);
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
            letter-spacing: 0.5px;
        }

        .hero-visual {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .hero-main-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--c-bg-purple-mid);
            border: 2px solid rgba(255, 107, 26, 0.25);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
        }

        .hero-main-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
        }

        .hero-main-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(15, 10, 26, 0.75));
            pointer-events: none;
        }

        .hero-live-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-secondary-cyan);
            color: #0F0A1A;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-round);
            letter-spacing: 0.5px;
        }

        .hero-live-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: #fff;
            border-radius: 50%;
            animation: liveBlink 1.4s ease-in-out infinite;
        }

        @keyframes liveBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.2;
            }
        }

        .hero-bento-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-sm);
        }

        .hero-bento-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-md);
            padding: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-base);
        }

        .hero-bento-card:hover {
            background: rgba(34, 211, 238, 0.08);
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-2px);
        }

        .hero-bento-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            background: rgba(255, 107, 26, 0.2);
            color: var(--c-primary-orange-light);
            flex-shrink: 0;
        }

        .hero-bento-card:nth-child(2) .hero-bento-icon {
            background: rgba(34, 211, 238, 0.16);
            color: var(--c-secondary-cyan);
        }

        .hero-bento-text {
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
        }

        .hero-bento-sub {
            font-size: 12px;
            color: var(--c-text-muted-light);
            font-weight: 400;
        }

        .hero-cta-strip {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            background: rgba(255, 107, 26, 0.1);
            border: 1px solid rgba(255, 107, 26, 0.3);
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            flex-wrap: wrap;
        }

        .hero-cta-strip-text {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }

        .hero-cta-strip .btn {
            padding: 9px 18px;
            font-size: 13px;
        }

        /* ============ Services ============ */
        .services-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: var(--space-md);
        }

        .service-card {
            position: relative;
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            transition: all var(--transition-bounce);
            overflow: hidden;
            box-shadow: 0 4px 16px var(--c-shadow-dark);
        }

        .service-card:first-child {
            grid-row: span 2;
            background: linear-gradient(160deg, #FFFFFF 0%, #FDF8F4 100%);
            border-left: 4px solid var(--c-primary-orange);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 32px var(--c-shadow-dark);
            border-color: rgba(255, 107, 26, 0.3);
        }

        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: var(--space-sm);
            background: rgba(255, 107, 26, 0.1);
            color: var(--c-primary-orange);
        }

        .service-card:nth-child(2) .service-card-icon {
            background: rgba(34, 211, 238, 0.1);
            color: var(--c-secondary-cyan);
        }

        .service-card:nth-child(3) .service-card-icon {
            background: rgba(233, 30, 140, 0.1);
            color: var(--c-accent-pink);
        }

        .service-card:nth-child(4) .service-card-icon {
            background: rgba(255, 140, 66, 0.15);
            color: var(--c-primary-orange-light);
        }

        .service-card h3 {
            font-family: var(--font-title);
            font-size: 21px;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--c-text-dark);
        }

        .service-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }

        .service-card-image {
            margin-top: var(--space-sm);
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .service-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .service-card:hover .service-card-image img {
            transform: scale(1.04);
        }

        .service-card-tag {
            position: absolute;
            top: var(--space-sm);
            right: var(--space-sm);
            background: var(--c-secondary-cyan);
            color: #0F0A1A;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-round);
            letter-spacing: 0.5px;
        }

        /* ============ Stats ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255, 107, 26, 0.08);
            border-color: rgba(255, 107, 26, 0.35);
            transform: translateY(-3px);
        }

        .stat-number {
            font-family: var(--font-title);
            font-size: 38px;
            font-weight: 700;
            color: var(--c-primary-orange-light);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-card:nth-child(2) .stat-number {
            color: var(--c-secondary-cyan);
        }
        .stat-card:nth-child(3) .stat-number {
            color: var(--c-primary-orange-light);
        }
        .stat-card:nth-child(4) .stat-number {
            color: var(--c-secondary-cyan-light);
        }

        .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .stat-desc {
            font-size: 13px;
            color: var(--c-text-muted-light);
            margin-top: 4px;
            line-height: 1.6;
        }

        /* ============ Cases ============ */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .case-card {
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--c-border-light);
            box-shadow: 0 4px 16px var(--c-shadow-dark);
            transition: all var(--transition-bounce);
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 36px rgba(255, 107, 26, 0.16);
            border-color: rgba(255, 107, 26, 0.3);
        }

        .case-cover {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .case-card:hover .case-cover img {
            transform: scale(1.05);
        }

        .case-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 10, 26, 0.6));
        }

        .case-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 2;
            background: var(--c-accent-pink);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-round);
        }

        .case-body {
            padding: var(--space-md);
        }

        .case-body h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: var(--space-xs);
        }

        .case-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-text-muted-dark);
        }

        /* ============ Deep Content ============ */
        .deep-content-block {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .deep-content-block--reverse {
            grid-template-columns: 1.1fr 0.9fr;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(34, 211, 238, 0.3);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .deep-content-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }

        .deep-content-text h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: inherit;
        }

        .deep-content-text p {
            font-size: 16px;
            line-height: 2;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-sm);
        }

        .section--dark .deep-content-text p,
        .section--deep .deep-content-text p,
        .section--purple-mid .deep-content-text p {
            color: var(--c-text-muted-light);
        }

        .deep-content-text h3 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            margin-top: var(--space-sm);
            margin-bottom: 6px;
            color: inherit;
        }

        /* ============ Brand Intro ============ */
        .brand-intro {
            background: var(--c-bg-purple-mid);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .brand-intro h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--space-md);
            color: #fff;
        }

        .brand-intro p {
            font-size: 17px;
            line-height: 2;
            color: var(--c-text-muted-light);
            margin-bottom: var(--space-sm);
        }

        /* ============ Media Scroll ============ */
        .media-scroll {
            display: flex;
            gap: var(--space-md);
            overflow-x: auto;
            padding: var(--space-sm) 0 var(--space-md);
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--c-secondary-cyan) transparent;
        }

        .media-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .media-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .media-scroll::-webkit-scrollbar-thumb {
            background: var(--c-secondary-cyan);
            border-radius: 6px;
        }

        .media-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--c-border-light);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
            transition: all var(--transition-base);
        }

        .media-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 24px rgba(34, 211, 238, 0.15);
            border-color: rgba(34, 211, 238, 0.4);
        }

        .media-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .media-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .media-card-body {
            padding: var(--space-sm);
        }

        .media-card-type {
            font-size: 11px;
            font-weight: 700;
            color: var(--c-secondary-cyan);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .media-card-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text-dark);
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .media-card-body p {
            font-size: 13px;
            color: var(--c-text-muted-dark);
            line-height: 1.6;
        }

        /* ============ Timeline ============ */
        .timeline {
            position: relative;
            padding-left: 28px;
            border-left: 3px solid rgba(255, 107, 26, 0.35);
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .timeline-item {
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--space-md);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -35px;
            top: 24px;
            width: 14px;
            height: 14px;
            background: var(--c-primary-orange);
            border-radius: 50%;
            box-shadow: 0 0 14px rgba(255, 107, 26, 0.6);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--c-secondary-cyan);
            letter-spacing: 0.5px;
        }

        .timeline-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 4px 0 6px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--c-text-muted-light);
            line-height: 1.7;
        }

        /* ============ Highlights Wall ============ */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .highlight-card {
            position: relative;
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--c-border-light);
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 30px rgba(233, 30, 140, 0.18);
            border-color: rgba(233, 30, 140, 0.35);
        }

        .highlight-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .highlight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .highlight-card:hover .highlight-image img {
            transform: scale(1.05);
        }

        .highlight-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--c-primary-orange);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-round);
            z-index: 2;
        }

        .highlight-body {
            padding: var(--space-md);
        }

        .highlight-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 6px;
        }

        .highlight-body p {
            font-size: 14px;
            color: var(--c-text-muted-dark);
            line-height: 1.7;
            margin-bottom: var(--space-xs);
        }

        .highlight-btn {
            display: inline-block;
            padding: 8px 18px;
            background: var(--c-primary-orange);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .highlight-btn:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            transform: translateY(-1px);
        }

        /* ============ News ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .news-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border-light);
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .news-item:hover {
            border-color: rgba(255, 107, 26, 0.35);
            box-shadow: 0 8px 20px var(--c-shadow-dark);
            transform: translateX(2px);
        }

        .news-date {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--c-primary-orange);
            color: #fff;
            width: 58px;
            height: 58px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            line-height: 1.2;
        }

        .news-date .day {
            font-size: 22px;
            font-weight: 700;
        }

        .news-date .month {
            font-size: 12px;
            font-weight: 500;
        }

        .news-body {
            flex: 1;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-xs);
        }

        .news-readmore {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--c-primary-orange);
            border: 1px solid var(--c-primary-orange);
            padding: 6px 16px;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }

        .news-readmore:hover {
            background: var(--c-primary-orange);
            color: #fff;
        }

        /* ============ Reviews ============ */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .review-card {
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--c-border-light);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
            transition: all var(--transition-base);
        }

        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 24px var(--c-shadow-cyan);
            border-color: rgba(34, 211, 238, 0.35);
        }

        .review-stars {
            color: var(--c-primary-orange);
            font-size: 16px;
            letter-spacing: 2px;
            margin-bottom: var(--space-xs);
        }

        .review-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-sm);
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--c-bg-purple-mid);
            color: var(--c-secondary-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text-dark);
        }

        .review-role {
            font-size: 12px;
            color: var(--c-text-muted-dark);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .faq-item {
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.open {
            border-color: rgba(255, 107, 26, 0.4);
            box-shadow: 0 6px 18px var(--c-shadow-orange);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding: var(--space-md);
            cursor: pointer;
            user-select: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text-dark);
            transition: all var(--transition-fast);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(255, 107, 26, 0.04);
        }

        .faq-question-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: rgba(255, 107, 26, 0.12);
            color: var(--c-primary-orange);
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-question-text {
            flex: 1;
        }

        .faq-icon {
            font-size: 18px;
            color: var(--c-text-muted-dark);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--c-primary-orange);
        }

        .faq-answer {
            display: none;
            padding: 0 var(--space-md) var(--space-md);
            font-size: 15px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            border-top: 1px solid var(--c-border-light);
            padding-top: var(--space-sm);
            background: #FBF9FE;
        }

        .faq-item.open .faq-answer {
            display: block;
            animation: faqFadeIn 0.3s ease;
        }

        @keyframes faqFadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ============ Contact ============ */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: flex-start;
        }

        .contact-info h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: inherit;
            margin-bottom: var(--space-sm);
        }

        .contact-info p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-md);
        }

        .section--dark .contact-info p {
            color: var(--c-text-muted-light);
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-text-dark);
        }

        .form-input,
        .form-textarea,
        .form-select {
            background: var(--c-bg-light);
            border: 2px solid #E6E1ED;
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--c-text-dark);
            transition: all var(--transition-fast);
            width: 100%;
        }

        .form-input:focus,
        .form-textarea:focus,
        .form-select:focus {
            border-color: var(--c-secondary-cyan);
            background: #FDFEFF;
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-error {
            font-size: 12px;
            color: var(--c-accent-pink);
            font-weight: 600;
        }

        .form-submit {
            background: var(--c-primary-orange);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: 10px;
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }

        .form-submit:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            box-shadow: 0 8px 24px rgba(233, 30, 140, 0.25);
            transform: translateY(-2px);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-bg-deep);
            color: #fff;
            padding: var(--space-xl) 0 var(--space-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
            padding-bottom: var(--space-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .nav-logo-dot {
            width: 12px;
            height: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--c-secondary-cyan);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding-top: var(--space-sm);
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        .footer-bottom-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--c-text-muted-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--c-secondary-cyan);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
                padding-top: var(--space-lg);
                padding-bottom: var(--space-lg);
            }
            .hero-main-visual img {
                height: 280px;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-card:first-child {
                grid-column: span 2;
                grid-row: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-block,
            .deep-content-block--reverse {
                grid-template-columns: 1fr;
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-wrap {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-menu {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-actions .nav-cta {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-xl) 0;
            }
            .hero .container {
                padding-top: var(--space-md);
                padding-bottom: var(--space-md);
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-stats {
                gap: var(--space-sm);
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .hero-main-visual img {
                height: 220px;
            }
            .hero-bento-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-strip {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 24px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card:first-child {
                grid-column: auto;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-date {
                width: auto;
                height: auto;
                flex-direction: row;
                gap: 4px;
                padding: 8px 16px;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .contact-form {
                padding: var(--space-md);
            }
            .media-card {
                flex: 0 0 240px;
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline-item::before {
                left: -27px;
                width: 11px;
                height: 11px;
            }
            .brand-intro {
                padding: var(--space-md);
            }
            .deep-content-text p {
                font-size: 15px;
                line-height: 1.85;
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-xxl: 56px;
                --space-xl: 40px;
                --space-lg: 28px;
                --space-md: 20px;
            }
            .container {
                padding: 0 var(--space-sm);
            }
            .hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 21px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .hero-stat-value {
                font-size: 19px;
            }
            .news-body h3 {
                font-size: 15px;
            }
            .faq-question {
                font-size: 14px;
            }
            .faq-answer {
                font-size: 14px;
            }
            .stat-number {
                font-size: 30px;
            }
            .timeline-item h4 {
                font-size: 15px;
            }
            .media-card {
                flex: 0 0 210px;
            }
        }

/* roulang page: category1 */
:root {
--c-bg-dark: #1A0B2E;
--c-bg-deep: #0F0A1A;
--c-bg-light: #F7F5FA;
--c-bg-white: #FFFFFF;
--c-bg-purple-mid: #2D1154;
--c-primary-orange: #FF6B1A;
--c-primary-orange-light: #FF8C42;
--c-secondary-cyan: #22D3EE;
--c-secondary-cyan-light: #00E5FF;
--c-accent-pink: #E91E8C;
--c-text-dark: #221533;
--c-text-light: #FFFFFF;
--c-text-muted-light: #B8B0C9;
--c-text-muted-dark: #6E6480;
--c-border-light: #E6E1ED;
--c-border-dark: rgba(255,255,255,0.12);
--c-shadow-dark: rgba(26,11,46,0.14);
--c-shadow-orange: rgba(255,107,26,0.18);
--c-shadow-cyan: rgba(34,211,238,0.14);
--radius-sm: 8px;
--radius-md: 12px;
--radius-lg: 16px;
--radius-xl: 20px;
--radius-round: 999px;
--space-xs: 8px;
--space-sm: 16px;
--space-md: 24px;
--space-lg: 40px;
--space-xl: 64px;
--space-xxl: 96px;
--font-title: 'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
--font-body: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
--nav-height: 60px;
--transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
--transition-base: 0.3s cubic-bezier(0.4,0,0.2,1);
--transition-bounce: 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
*,
*::before,
*::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
scroll-behavior: smooth;
-webkit-text-size-adjust: 100%;
}
body {
font-family: var(--font-body);
font-size: 16px;
line-height: 1.8;
color: var(--c-text-dark);
background: var(--c-bg-light);
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
overflow-x: hidden;
}
img {
max-width: 100%;
height: auto;
display: block;
}
a {
color: inherit;
text-decoration: none;
transition: color var(--transition-fast);
}
button,
input,
textarea,
select {
font-family: var(--font-body);
font-size: inherit;
outline: none;
border: none;
}
button {
cursor: pointer;
background: none;
}
ul,
ol {
list-style: none;
}
.container {
width: 100%;
max-width: 1240px;
margin: 0 auto;
padding: 0 var(--space-md);
}
.section {
padding: var(--space-xxl) 0;
}
.section--dark {
background: var(--c-bg-dark);
color: var(--c-text-light);
}
.section--deep {
background: var(--c-bg-deep);
color: var(--c-text-light);
}
.section--light {
background: var(--c-bg-light);
color: var(--c-text-dark);
}
.section--white {
background: var(--c-bg-white);
color: var(--c-text-dark);
}
.section--purple-mid {
background: var(--c-bg-purple-mid);
color: var(--c-text-light);
}
.section-title {
font-family: var(--font-title);
font-size: clamp(28px,3.5vw,36px);
font-weight: 700;
line-height: 1.3;
letter-spacing: -0.5px;
margin-bottom: var(--space-sm);
color: inherit;
}
.section-subtitle {
font-size: 17px;
line-height: 1.9;
color: var(--c-text-muted-dark);
max-width: 680px;
margin-bottom: var(--space-lg);
}
.section--dark .section-subtitle,
.section--deep .section-subtitle,
.section--purple-mid .section-subtitle {
color: var(--c-text-muted-light);
}
.section-header {
margin-bottom: var(--space-lg);
}
.section-header--center {
text-align: center;
}
.section-header--center .section-subtitle {
margin-left: auto;
margin-right: auto;
}
.text-gradient-orange {
background: linear-gradient(135deg,var(--c-primary-orange),var(--c-primary-orange-light));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.text-gradient-cyan {
background: linear-gradient(135deg,var(--c-secondary-cyan),var(--c-secondary-cyan-light));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.text-gradient-pink {
background: linear-gradient(135deg,var(--c-accent-pink),var(--c-primary-orange));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
padding: 12px 24px;
border-radius: 10px;
font-weight: 600;
font-size: 15px;
line-height: 1.4;
transition: transform var(--transition-bounce),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-fast),color var(--transition-fast);
white-space: nowrap;
}
.btn--primary {
background: var(--c-primary-orange);
color: #fff;
box-shadow: 0 8px 20px var(--c-shadow-orange);
}
.btn--primary:hover {
background: linear-gradient(135deg,var(--c-primary-orange),var(--c-accent-pink));
transform: translateY(-2px);
box-shadow: 0 12px 28px rgba(233,30,140,0.24);
}
.btn--primary:focus-visible,
.btn--secondary:focus-visible,
.btn--ghost:focus-visible {
outline: 3px solid var(--c-secondary-cyan);
outline-offset: 3px;
}
.btn--secondary {
background: transparent;
border: 1.5px solid var(--c-secondary-cyan);
color: var(--c-secondary-cyan);
}
.btn--secondary:hover {
background: rgba(34,211,238,0.1);
transform: translateY(-2px);
box-shadow: 0 8px 20px var(--c-shadow-cyan);
}
.btn--ghost {
background: transparent;
border: 1.5px solid var(--c-border-dark);
color: inherit;
}
.btn--ghost:hover {
border-color: var(--c-secondary-cyan);
color: var(--c-secondary-cyan);
transform: translateY(-2px);
}
.btn--light {
background: #fff;
color: var(--c-text-dark);
box-shadow: 0 8px 20px rgba(0,0,0,0.14);
}
.btn--light:hover {
transform: translateY(-2px);
box-shadow: 0 12px 26px rgba(0,0,0,0.22);
}
.btn--sm {
padding: 8px 16px;
font-size: 13px;
border-radius: 8px;
}
.btn--lg {
padding: 15px 30px;
font-size: 16px;
border-radius: 12px;
}
.badge {
display: inline-flex;
align-items: center;
gap: 6px;
padding: 4px 12px;
border-radius: var(--radius-round);
font-size: 12px;
font-weight: 600;
line-height: 1.6;
letter-spacing: 0.3px;
}
.badge--cyan {
background: rgba(34,211,238,0.14);
color: var(--c-secondary-cyan);
border: 1px solid rgba(34,211,238,0.32);
}
.badge--pink {
background: rgba(233,30,140,0.1);
color: var(--c-accent-pink);
border: 1px solid rgba(233,30,140,0.32);
}
.badge--orange {
background: rgba(255,107,26,0.12);
color: var(--c-primary-orange);
border: 1px solid rgba(255,107,26,0.3);
}
.badge--solid-cyan {
background: var(--c-secondary-cyan);
color: #0F0A1A;
}
.badge--outline-white {
border: 1px solid rgba(255,255,255,0.4);
color: #fff;
background: rgba(255,255,255,0.06);
}
.card {
background: var(--c-bg-white);
border: 1px solid var(--c-border-light);
border-radius: var(--radius-lg);
overflow: hidden;
box-shadow: 0 4px 14px var(--c-shadow-dark);
transition: transform var(--transition-bounce),box-shadow var(--transition-base),border-color var(--transition-fast);
}
.card:hover {
transform: translateY(-4px);
box-shadow: 0 16px 36px rgba(26,11,46,0.16);
border-color: var(--c-secondary-cyan);
}
.card__media {
overflow: hidden;
position: relative;
aspect-ratio: 16/9;
background: var(--c-bg-purple-mid);
}
.card__media img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform var(--transition-base);
}
.card:hover .card__media img {
transform: scale(1.04);
}
.card__media-overlay {
position: absolute;
inset: 0;
background: linear-gradient(180deg,transparent 40%,rgba(15,10,26,0.72) 100%);
display: flex;
align-items: flex-end;
padding: var(--space-sm);
}
.card__body {
padding: var(--space-md);
}
.card__title {
font-family: var(--font-title);
font-size: 20px;
font-weight: 700;
line-height: 1.4;
margin-bottom: 8px;
color: var(--c-text-dark);
}
.card__text {
font-size: 15px;
line-height: 1.8;
color: var(--c-text-muted-dark);
margin-bottom: var(--space-sm);
}
.card__meta {
display: flex;
flex-wrap: wrap;
align-items: center;
gap: 8px;
}
.card__tag {
font-size: 12px;
font-weight: 600;
padding: 3px 10px;
border-radius: var(--radius-round);
background: rgba(34,211,238,0.1);
color: var(--c-secondary-cyan);
border: 1px solid rgba(34,211,238,0.25);
}
.card__date {
font-size: 13px;
color: var(--c-text-muted-dark);
display: flex;
align-items: center;
gap: 4px;
}
.card__date-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--c-primary-orange);
display: inline-block;
flex-shrink: 0;
}
.site-header {
position: sticky;
top: 0;
z-index: 1000;
height: var(--nav-height);
background: rgba(26,11,46,0.92);
backdrop-filter: blur(14px);
-webkit-backdrop-filter: blur(14px);
border-bottom: 1px solid var(--c-border-dark);
display: flex;
align-items: center;
}
.site-header .container {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-md);
width: 100%;
}
.nav-logo {
display: flex;
align-items: center;
gap: 8px;
font-family: var(--font-title);
font-size: 20px;
font-weight: 700;
color: #fff;
white-space: nowrap;
}
.nav-logo-dot {
width: 10px;
height: 10px;
border-radius: 50%;
background: var(--c-primary-orange);
box-shadow: 0 0 12px var(--c-primary-orange);
flex-shrink: 0;
}
.nav-logo span {
letter-spacing: 0.5px;
}
.nav-menu {
display: flex;
align-items: center;
gap: 4px;
flex-wrap: nowrap;
overflow-x: auto;
-ms-overflow-style: none;
scrollbar-width: none;
}
.nav-menu::-webkit-scrollbar {
display: none;
}
.nav-link {
display: inline-flex;
align-items: center;
padding: 10px 14px;
font-size: 14px;
font-weight: 500;
color: var(--c-text-muted-light);
border-radius: var(--radius-sm);
white-space: nowrap;
transition: color var(--transition-fast),background var(--transition-fast);
}
.nav-link:hover {
color: #fff;
background: rgba(255,255,255,0.08);
}
.nav-link.active {
color: #fff;
background: rgba(255,107,26,0.16);
box-shadow: inset 0 -2px 0 var(--c-primary-orange);
font-weight: 600;
}
.nav-search {
display: flex;
align-items: center;
gap: 6px;
background: rgba(255,255,255,0.08);
border: 1px solid var(--c-border-dark);
border-radius: var(--radius-round);
padding: 8px 16px;
color: var(--c-text-muted-light);
transition: border-color var(--transition-fast),background var(--transition-fast);
cursor: pointer;
min-width: 140px;
}
.nav-search:hover {
border-color: var(--c-secondary-cyan);
background: rgba(255,255,255,0.12);
}
.nav-search input {
background: transparent;
border: none;
color: #fff;
font-size: 13px;
flex: 1;
min-width: 0;
}
.nav-search input::placeholder {
color: var(--c-text-muted-light);
}
.nav-search-icon {
width: 16px;
height: 16px;
background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23B8B0C9' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M21 21l-4.35-4.35M17 11a6 6 0 11-12 0 6 6 0 0112 0z'/%3E%3C/svg%3E") center/cover no-repeat;
flex-shrink: 0;
display: block;
}
.nav-cta {
flex-shrink: 0;
}
.nav-toggle {
display: none;
flex-direction: column;
gap: 4px;
padding: 8px;
border-radius: var(--radius-sm);
border: 1px solid var(--c-border-dark);
background: transparent;
cursor: pointer;
}
.nav-toggle span {
display: block;
width: 22px;
height: 2px;
background: #fff;
border-radius: 2px;
transition: transform var(--transition-fast),opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
transform: translateY(-6px) rotate(-45deg);
}
.hero--category {
background: var(--c-bg-dark);
color: var(--c-text-light);
padding: 72px 0;
position: relative;
overflow: hidden;
min-height: 420px;
display: flex;
align-items: center;
}
.hero--category::after {
content: "";
position: absolute;
inset: 0;
background: radial-gradient(ellipse at 30% 40%,rgba(45,17,84,0.55),transparent 62%),radial-gradient(ellipse at 78% 65%,rgba(34,211,238,0.07),transparent 55%);
pointer-events: none;
}
.hero--category .container {
position: relative;
z-index: 2;
}
.hero-category-badge {
margin-bottom: var(--space-sm);
}
.hero-category-title {
font-family: var(--font-title);
font-size: clamp(34px,5vw,52px);
font-weight: 700;
line-height: 1.2;
letter-spacing: -1px;
margin-bottom: var(--space-sm);
max-width: 780px;
}
.hero-category-desc {
font-size: 18px;
line-height: 1.9;
color: var(--c-text-muted-light);
max-width: 680px;
margin-bottom: var(--space-lg);
}
.hero-category-actions {
display: flex;
flex-wrap: wrap;
gap: var(--space-sm);
}
.hero-category-stats {
display: flex;
flex-wrap: wrap;
gap: var(--space-lg);
margin-top: var(--space-lg);
padding-top: var(--space-md);
border-top: 1px solid var(--c-border-dark);
}
.hero-category-stat {
display: flex;
flex-direction: column;
}
.hero-category-stat-value {
font-size: 32px;
font-weight: 700;
font-family: var(--font-title);
line-height: 1.2;
}
.hero-category-stat-label {
font-size: 14px;
color: var(--c-text-muted-light);
}
.grid-2 {
display: grid;
grid-template-columns: repeat(2,1fr);
gap: var(--space-md);
}
.grid-3 {
display: grid;
grid-template-columns: repeat(3,1fr);
gap: var(--space-md);
}
.grid-4 {
display: grid;
grid-template-columns: repeat(4,1fr);
gap: var(--space-md);
}
.grid-2-1 {
display: grid;
grid-template-columns: 2fr 1fr;
gap: var(--space-md);
}
.media-frame {
border-radius: var(--radius-lg);
overflow: hidden;
border: 2px solid rgba(34,211,238,0.22);
box-shadow: 0 12px 30px rgba(26,11,46,0.18);
position: relative;
aspect-ratio: 16/9;
background: var(--c-bg-purple-mid);
}
.media-frame img {
width: 100%;
height: 100%;
object-fit: cover;
}
.media-frame__label {
position: absolute;
bottom: 12px;
left: 12px;
z-index: 2;
}
.timeline {
position: relative;
padding-left: 32px;
}
.timeline::before {
content: "";
position: absolute;
left: 10px;
top: 4px;
bottom: 4px;
width: 2px;
background: linear-gradient(180deg,var(--c-primary-orange),var(--c-secondary-cyan));
opacity: 0.5;
border-radius: 2px;
}
.timeline-item {
position: relative;
padding-bottom: var(--space-lg);
}
.timeline-item:last-child {
padding-bottom: 0;
}
.timeline-item::before {
content: "";
position: absolute;
left: -27px;
top: 8px;
width: 10px;
height: 10px;
border-radius: 50%;
background: var(--c-primary-orange);
box-shadow: 0 0 10px rgba(255,107,26,0.5);
}
.timeline-item:nth-child(even)::before {
background: var(--c-secondary-cyan);
box-shadow: 0 0 10px rgba(34,211,238,0.5);
}
.timeline-item__time {
font-size: 13px;
font-weight: 600;
color: var(--c-primary-orange);
display: block;
margin-bottom: 4px;
}
.timeline-item__title {
font-size: 18px;
font-weight: 700;
font-family: var(--font-title);
margin-bottom: 6px;
}
.timeline-item__text {
font-size: 15px;
line-height: 1.8;
color: var(--c-text-muted-dark);
}
.section--dark .timeline-item__text,
.section--deep .timeline-item__text,
.section--purple-mid .timeline-item__text {
color: var(--c-text-muted-light);
}
.stat-bar {
display: grid;
grid-template-columns: repeat(4,1fr);
gap: var(--space-md);
}
.stat-bar__item {
background: rgba(255,255,255,0.04);
border: 1px solid var(--c-border-dark);
border-radius: var(--radius-lg);
padding: var(--space-md);
text-align: center;
transition: border-color var(--transition-fast),transform var(--transition-base);
}
.stat-bar__item:hover {
border-color: var(--c-secondary-cyan);
transform: translateY(-3px);
}
.stat-bar__value {
font-size: 40px;
font-weight: 700;
font-family: var(--font-title);
line-height: 1.2;
}
.stat-bar__label {
font-size: 14px;
color: var(--c-text-muted-light);
margin-top: 4px;
}
.notice-bar {
background: linear-gradient(135deg,rgba(255,107,26,0.12),rgba(34,211,238,0.08));
border: 1px solid rgba(255,107,26,0.25);
border-radius: var(--radius-lg);
padding: var(--space-md);
display: flex;
align-items: center;
gap: var(--space-sm);
margin-bottom: var(--space-lg);
}
.notice-bar__dot {
width: 10px;
height: 10px;
border-radius: 50%;
background: var(--c-primary-orange);
animation: pulse 2s infinite;
flex-shrink: 0;
}
.notice-bar__text {
font-size: 15px;
line-height: 1.7;
color: inherit;
}
@keyframes pulse {
0%,100% { opacity: 1; transform: scale(1); }
50% { opacity: 0.5; transform: scale(1.3); }
}
.faq-list {
border-radius: var(--radius-lg);
overflow: hidden;
border: 1px solid var(--c-border-light);
background: var(--c-bg-white);
}
.faq-item {
border-bottom: 1px solid var(--c-border-light);
}
.faq-item:last-child {
border-bottom: none;
}
.faq-question {
width: 100%;
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-sm);
padding: var(--space-md);
font-size: 16px;
font-weight: 600;
color: var(--c-text-dark);
text-align: left;
transition: background var(--transition-fast);
cursor: pointer;
}
.faq-question:hover {
background: rgba(34,211,238,0.06);
}
.faq-question[aria-expanded="true"] {
background: rgba(34,211,238,0.08);
color: var(--c-secondary-cyan);
}
.faq-question-icon {
width: 24px;
height: 24px;
flex-shrink: 0;
display: inline-flex;
align-items: center;
justify-content: center;
border-radius: 50%;
border: 1.5px solid var(--c-border-light);
transition: transform var(--transition-base),border-color var(--transition-fast);
}
.faq-question[aria-expanded="true"] .faq-question-icon {
transform: rotate(45deg);
border-color: var(--c-secondary-cyan);
color: var(--c-secondary-cyan);
}
.faq-answer {
max-height: 0;
overflow: hidden;
transition: max-height var(--transition-base);
}
.faq-answer-inner {
padding: 0 var(--space-md) var(--space-md);
font-size: 15px;
line-height: 1.9;
color: var(--c-text-muted-dark);
}
.faq-answer-inner p {
margin-bottom: 8px;
}
.faq-answer-inner p:last-child {
margin-bottom: 0;
}
.site-footer {
background: var(--c-bg-deep);
color: var(--c-text-muted-light);
padding: var(--space-xl) 0 var(--space-md);
border-top: 1px solid var(--c-border-dark);
}
.footer-grid {
display: grid;
grid-template-columns: 2fr 1fr 1fr;
gap: var(--space-xl);
margin-bottom: var(--space-lg);
}
.footer-brand h3 {
font-family: var(--font-title);
font-size: 20px;
font-weight: 700;
color: #fff;
display: flex;
align-items: center;
gap: 8px;
margin-bottom: var(--space-sm);
}
.footer-brand p {
font-size: 14px;
line-height: 1.8;
color: var(--c-text-muted-light);
max-width: 420px;
}
.footer-links h4 {
font-size: 16px;
font-weight: 600;
color: #fff;
margin-bottom: var(--space-sm);
}
.footer-links ul {
display: flex;
flex-direction: column;
gap: 6px;
}
.footer-links a {
font-size: 14px;
color: var(--c-text-muted-light);
transition: color var(--transition-fast);
}
.footer-links a:hover {
color: var(--c-primary-orange);
}
.footer-bottom {
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: space-between;
gap: var(--space-sm);
padding-top: var(--space-md);
border-top: 1px solid var(--c-border-dark);
font-size: 13px;
color: var(--c-text-muted-light);
}
.footer-bottom-info {
display: flex;
flex-wrap: wrap;
gap: var(--space-sm);
}
.footer-bottom-links {
display: flex;
gap: var(--space-sm);
}
.footer-bottom-links a:hover,
.footer-bottom-info a:hover {
color: var(--c-primary-orange);
}
.breadcrumb {
font-size: 14px;
color: var(--c-text-muted-light);
display: flex;
align-items: center;
flex-wrap: wrap;
gap: 8px;
margin-bottom: var(--space-md);
}
.breadcrumb a {
color: var(--c-text-muted-light);
transition: color var(--transition-fast);
}
.breadcrumb a:hover {
color: var(--c-primary-orange);
}
.breadcrumb-sep {
opacity: 0.6;
}
@media (max-width: 1024px) {
:root {
--space-xxl: 64px;
--space-xl: 48px;
--space-lg: 32px;
}
.grid-4 {
grid-template-columns: repeat(2,1fr);
}
.stat-bar {
grid-template-columns: repeat(2,1fr);
}
.grid-2-1 {
grid-template-columns: 1fr;
}
.footer-grid {
grid-template-columns: 1fr 1fr;
gap: var(--space-lg);
}
}
@media (max-width: 768px) {
:root {
--space-xxl: 56px;
--space-xl: 40px;
--space-lg: 28px;
--space-md: 20px;
--nav-height: 56px;
}
body {
font-size: 15px;
}
.grid-2,
.grid-3,
.grid-4,
.stat-bar {
grid-template-columns: 1fr;
}
.nav-menu {
display: none;
position: absolute;
top: var(--nav-height);
left: 0;
right: 0;
background: var(--c-bg-deep);
flex-direction: column;
align-items: stretch;
padding: var(--space-sm);
border-bottom: 1px solid var(--c-border-dark);
gap: 2px;
max-height: 75vh;
overflow-y: auto;
}
.nav-menu.open {
display: flex;
}
.nav-link {
padding: 12px 16px;
font-size: 15px;
border-radius: var(--radius-sm);
}
.nav-link.active {
background: rgba(255,107,26,0.16);
box-shadow: none;
border-left: 3px solid var(--c-primary-orange);
}
.nav-toggle {
display: flex;
}
.nav-search {
display: none;
}
.nav-cta {
display: none;
}
.hero--category {
padding: 56px 0;
min-height: auto;
}
.hero-category-title {
font-size: 30px;
}
.hero-category-desc {
font-size: 16px;
}
.hero-category-stats {
gap: var(--space-md);
}
.hero-category-stat-value {
font-size: 26px;
}
.section-title {
font-size: 26px;
}
.timeline {
padding-left: 24px;
}
.timeline-item::before {
left: -19px;
width: 8px;
height: 8px;
}
.footer-grid {
grid-template-columns: 1fr;
gap: var(--space-md);
}
.footer-bottom {
flex-direction: column;
align-items: flex-start;
}
.btn--lg {
padding: 12px 24px;
font-size: 15px;
}
}
@media (max-width: 520px) {
:root {
--space-xxl: 48px;
--space-xl: 32px;
--space-lg: 24px;
--space-md: 16px;
--space-sm: 12px;
}
body {
font-size: 15px;
}
.hero-category-title {
font-size: 26px;
}
.hero-category-desc {
font-size: 15px;
line-height: 1.8;
}
.btn {
width: 100%;
justify-content: center;
}
.hero-category-actions .btn {
width: auto;
}
.notice-bar {
flex-direction: column;
text-align: left;
align-items: flex-start;
}
}

/* roulang page: category3 */
:root {
            --c-bg-dark: #1A0B2E;
            --c-bg-deep: #0F0A1A;
            --c-bg-light: #F7F5FA;
            --c-bg-white: #FFFFFF;
            --c-bg-purple-mid: #2D1154;
            --c-primary-orange: #FF6B1A;
            --c-primary-orange-light: #FF8C42;
            --c-secondary-cyan: #22D3EE;
            --c-secondary-cyan-light: #00E5FF;
            --c-accent-pink: #E91E8C;
            --c-text-dark: #221533;
            --c-text-light: #FFFFFF;
            --c-text-muted-light: #B8B0C9;
            --c-text-muted-dark: #6E6480;
            --c-border-light: #E6E1ED;
            --c-border-dark: rgba(255, 255, 255, 0.12);
            --c-shadow-dark: rgba(26, 11, 46, 0.14);
            --c-shadow-orange: rgba(255, 107, 26, 0.18);
            --c-shadow-cyan: rgba(34, 211, 238, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-round: 999px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        @media (max-width: 768px) {
            :root {
                --space-xxl: 56px;
                --space-xl: 40px;
                --space-lg: 28px;
                --space-md: 20px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xxl) 0;
        }

        .section--dark {
            background: var(--c-bg-dark);
            color: var(--c-text-light);
        }

        .section--deep {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
        }

        .section--light {
            background: var(--c-bg-light);
            color: var(--c-text-dark);
        }

        .section--white {
            background: var(--c-bg-white);
            color: var(--c-text-dark);
        }

        .section--purple-mid {
            background: var(--c-bg-purple-mid);
            color: var(--c-text-light);
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: inherit;
        }

        .section-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }

        .section--dark .section-subtitle,
        .section--deep .section-subtitle,
        .section--purple-mid .section-subtitle {
            color: var(--c-text-muted-light);
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        .section-header--center {
            text-align: center;
        }

        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-gradient-orange {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-pink {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }

        .btn--primary {
            background: var(--c-primary-orange);
            color: #fff;
            box-shadow: 0 4px 16px var(--c-shadow-orange);
        }

        .btn--primary:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            box-shadow: 0 8px 24px var(--c-shadow-orange);
            transform: translateY(-2px);
        }

        .btn--primary:focus {
            outline: 3px solid rgba(34, 211, 238, 0.5);
            outline-offset: 2px;
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px var(--c-shadow-orange);
        }

        .btn--secondary {
            background: transparent;
            color: var(--c-text-dark);
            border: 2px solid var(--c-secondary-cyan);
            box-shadow: 0 2px 8px var(--c-shadow-cyan);
        }

        .btn--secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: var(--c-secondary-cyan-light);
            transform: translateY(-2px);
        }

        .btn--secondary:focus {
            outline: 3px solid rgba(34, 211, 238, 0.4);
            outline-offset: 2px;
        }

        .btn--secondary:active {
            transform: translateY(0);
        }

        .btn--secondary-light {
            background: transparent;
            color: var(--c-text-light);
            border: 2px solid var(--c-secondary-cyan);
        }

        .btn--secondary-light:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: var(--c-secondary-cyan-light);
            transform: translateY(-2px);
        }

        .btn--text {
            padding: 8px 4px;
            color: var(--c-primary-orange);
            font-weight: 600;
            border-radius: 4px;
            position: relative;
        }

        .btn--text::after {
            content: '→';
            display: inline-block;
            margin-left: 6px;
            transition: transform var(--transition-fast);
        }

        .btn--text:hover::after {
            transform: translateX(4px);
        }

        .btn--text:hover {
            color: var(--c-accent-pink);
        }

        .btn--text:focus {
            outline: 2px solid var(--c-secondary-cyan);
            outline-offset: 2px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(26, 11, 46, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--c-border-dark);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, var(--c-primary-orange-light), var(--c-primary-orange));
            box-shadow: 0 0 12px rgba(255, 107, 26, 0.6);
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--c-text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-text em {
            font-style: normal;
            color: var(--c-primary-orange);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-round);
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-muted-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--c-text-light);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            color: var(--c-text-light);
            background: rgba(255, 107, 26, 0.18);
            box-shadow: inset 0 0 0 1px rgba(255, 107, 26, 0.35);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--c-primary-orange);
        }

        .nav-link:focus {
            outline: 2px solid var(--c-secondary-cyan);
            outline-offset: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-round);
            padding: 6px 14px;
            color: var(--c-text-muted-light);
            transition: border-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--c-secondary-cyan);
        }

        .nav-search input {
            background: none;
            border: none;
            color: var(--c-text-light);
            width: 100px;
            font-size: 13px;
        }

        .nav-search input::placeholder {
            color: var(--c-text-muted-light);
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .nav-cta {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-round);
            background: var(--c-primary-orange);
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-cta:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            transform: translateY(-1px);
            box-shadow: 0 4px 12px var(--c-shadow-orange);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-border-dark);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--c-text-light);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero-inner {
            padding-top: calc(var(--nav-height) + var(--space-xl));
            padding-bottom: var(--space-xl);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
            min-height: 520px;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.35);
            border-radius: var(--radius-round);
            font-size: 13px;
            font-weight: 500;
            color: var(--c-secondary-cyan);
            margin-bottom: var(--space-md);
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-secondary-cyan);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .hero-title {
            font-family: var(--font-title);
            font-size: clamp(34px, 4vw, 46px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: var(--space-sm);
            color: var(--c-text-light);
        }

        .hero-description {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            margin-bottom: var(--space-lg);
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
        }

        .hero-stats {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            border-top: 1px solid var(--c-border-dark);
            padding-top: var(--space-md);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--c-primary-orange);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: linear-gradient(135deg, var(--c-bg-purple-mid), var(--c-bg-deep));
            border: 1px solid var(--c-border-dark);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 11, 46, 0.15), rgba(15, 10, 26, 0.55));
            pointer-events: none;
        }

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--space-md);
            background: linear-gradient(to top, rgba(15, 10, 26, 0.9), transparent);
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
        }

        .hero-visual-tag {
            font-size: 12px;
            padding: 4px 10px;
            background: rgba(255, 107, 26, 0.85);
            border-radius: var(--radius-round);
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
        }

        .hero-visual-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--c-text-muted-dark);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--c-text-muted-dark);
        }

        .breadcrumb a:hover {
            color: var(--c-primary-orange);
        }

        .breadcrumb-separator {
            color: var(--c-border-light);
        }

        .breadcrumb .current {
            color: var(--c-text-dark);
            font-weight: 600;
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .card-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card-grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .card {
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--c-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: 0 2px 12px var(--c-shadow-dark);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px var(--c-shadow-dark);
            border-color: rgba(255, 107, 26, 0.25);
        }

        .card:focus-within {
            outline: 3px solid var(--c-secondary-cyan);
            outline-offset: 2px;
        }

        .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--c-bg-purple-mid);
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .card:hover .card-image img {
            transform: scale(1.05);
        }

        .card-image-tag {
            position: absolute;
            top: var(--space-sm);
            left: var(--space-sm);
            z-index: 2;
            padding: 4px 10px;
            border-radius: var(--radius-round);
            font-size: 12px;
            font-weight: 600;
            background: rgba(233, 30, 140, 0.85);
            color: #fff;
        }

        .card-image-tag--cyan {
            background: rgba(34, 211, 238, 0.85);
        }

        .card-image-tag--orange {
            background: rgba(255, 107, 26, 0.85);
        }

        .card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            flex: 1;
        }

        .card-title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--c-text-dark);
            letter-spacing: -0.3px;
        }

        .card-text {
            font-size: 15px;
            line-height: 1.75;
            color: var(--c-text-muted-dark);
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 13px;
            color: var(--c-text-muted-dark);
            flex-wrap: wrap;
        }

        .card-meta-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--c-primary-orange);
            flex-shrink: 0;
        }

        .card-footer {
            padding: var(--space-sm) var(--space-md);
            border-top: 1px solid var(--c-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* Feature list */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-item {
            display: flex;
            gap: var(--space-sm);
            padding: var(--space-md);
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border-light);
            transition: all var(--transition-fast);
        }

        .feature-item:hover {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: 0 4px 16px var(--c-shadow-cyan);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(34, 211, 238, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
            color: var(--c-secondary-cyan);
        }

        .feature-content {
            flex: 1;
        }

        .feature-title {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--c-text-dark);
        }

        .feature-text {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-text-muted-dark);
        }

        /* Data bar */
        .data-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .data-item {
            text-align: center;
            padding: var(--space-lg) var(--space-md);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--c-border-dark);
            transition: all var(--transition-base);
        }

        .data-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 107, 26, 0.4);
            transform: translateY(-2px);
        }

        .data-value {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--c-primary-orange);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-label {
            font-size: 14px;
            color: var(--c-text-muted-light);
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
            list-style: none;
            margin: 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--c-border-light);
        }

        .timeline-item {
            position: relative;
            padding-bottom: var(--space-lg);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--c-primary-orange);
            box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.2);
        }

        .timeline-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 600;
            color: var(--c-text-dark);
            margin-bottom: 4px;
        }

        .timeline-text {
            font-size: 15px;
            line-height: 1.75;
            color: var(--c-text-muted-dark);
        }

        /* Content prose */
        .content-prose {
            max-width: 800px;
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-dark);
        }

        .content-prose h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            margin: var(--space-lg) 0 var(--space-sm);
            color: var(--c-text-dark);
        }

        .content-prose p {
            margin-bottom: var(--space-md);
        }

        .content-prose strong {
            color: var(--c-primary-orange);
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.35);
        }

        .faq-item.active {
            border-color: rgba(255, 107, 26, 0.4);
            box-shadow: 0 4px 16px var(--c-shadow-dark);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            padding: var(--space-md);
            cursor: pointer;
            transition: color var(--transition-fast);
            font-weight: 600;
            font-size: 16px;
            color: var(--c-text-dark);
            font-family: var(--font-title);
        }

        .faq-question:hover {
            color: var(--c-primary-orange);
        }

        .faq-question:focus {
            outline: 2px solid var(--c-secondary-cyan);
            outline-offset: -2px;
        }

        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 26, 0.12);
            color: var(--c-primary-orange);
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--c-text-muted-dark);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            color: var(--c-primary-orange);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
            padding: 0 var(--space-md);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 var(--space-md) var(--space-md);
        }

        .faq-answer p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
            margin: 0;
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--c-bg-dark), var(--c-bg-purple-mid));
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            text-align: center;
            border: 1px solid var(--c-border-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 26, 0.25), transparent 70%);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.2), transparent 70%);
            pointer-events: none;
        }

        .cta-box .container {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--c-text-light);
            margin-bottom: var(--space-sm);
        }

        .cta-text {
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
            max-width: 600px;
            margin: 0 auto var(--space-lg);
        }

        .cta-actions {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid var(--c-border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--c-text-light);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
            max-width: 400px;
            margin: 0;
        }

        .footer-links h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--space-sm);
            color: var(--c-text-light);
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .footer-links a {
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--c-primary-orange);
        }

        .footer-bottom {
            border-top: 1px solid var(--c-border-dark);
            padding-top: var(--space-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        .footer-bottom-info {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--space-md);
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--c-text-muted-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--c-secondary-cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: var(--space-md);
                min-height: auto;
            }
            .hero-visual {
                aspect-ratio: 16/9;
            }
        }

        @media (max-width: 768px) {
            .card-grid,
            .card-grid--2 {
                grid-template-columns: 1fr;
            }
            .card-grid--4 {
                grid-template-columns: 1fr;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--c-bg-deep);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-md);
                gap: var(--space-xs);
                border-bottom: 1px solid var(--c-border-dark);
                z-index: 999;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 12px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-stats {
                gap: var(--space-md);
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .data-value {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .data-bar {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-visual-overlay {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-xs);
            }
            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --c-bg-dark: #1A0B2E;
            --c-bg-deep: #0F0A1A;
            --c-bg-light: #F7F5FA;
            --c-bg-white: #FFFFFF;
            --c-bg-purple-mid: #2D1154;
            --c-bg-purple-soft: #3A1B5E;
            --c-primary-orange: #FF6B1A;
            --c-primary-orange-light: #FF8C42;
            --c-secondary-cyan: #22D3EE;
            --c-secondary-cyan-light: #00E5FF;
            --c-accent-pink: #E91E8C;
            --c-text-dark: #221533;
            --c-text-light: #FFFFFF;
            --c-text-muted-light: #B8B0C9;
            --c-text-muted-dark: #6E6480;
            --c-border-light: #E6E1ED;
            --c-border-dark: rgba(255, 255, 255, 0.12);
            --c-shadow-dark: rgba(26, 11, 46, 0.14);
            --c-shadow-orange: rgba(255, 107, 26, 0.18);
            --c-shadow-cyan: rgba(34, 211, 238, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-round: 999px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xxl) 0;
        }
        .section--dark {
            background: var(--c-bg-dark);
            color: var(--c-text-light);
        }
        .section--deep {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
        }
        .section--light {
            background: var(--c-bg-light);
            color: var(--c-text-dark);
        }
        .section--white {
            background: var(--c-bg-white);
            color: var(--c-text-dark);
        }
        .section--purple-mid {
            background: var(--c-bg-purple-mid);
            color: var(--c-text-light);
        }
        .section--purple-soft {
            background: var(--c-bg-purple-soft);
            color: var(--c-text-light);
        }
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: inherit;
        }
        .section-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }
        .section--dark .section-subtitle,
        .section--deep .section-subtitle,
        .section--purple-mid .section-subtitle,
        .section--purple-soft .section-subtitle {
            color: var(--c-text-muted-light);
        }
        .section-header {
            margin-bottom: var(--space-lg);
        }
        .section-header--center {
            text-align: center;
        }
        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .text-gradient-orange {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .text-gradient-pink {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--c-primary-orange);
            color: #fff;
            box-shadow: 0 4px 16px var(--c-shadow-orange);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(233, 30, 140, 0.28);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--c-secondary-cyan);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--c-text-dark);
            border: 2px solid var(--c-secondary-cyan);
            color: var(--c-secondary-cyan);
        }
        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid var(--c-primary-orange);
            outline-offset: 2px;
        }
        .btn-light-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }
        .btn-light-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-block {
            width: 100%;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: var(--radius-round);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.3px;
        }
        .badge-cyan {
            background: var(--c-secondary-cyan);
            color: #0F0A1A;
        }
        .badge-orange {
            background: var(--c-primary-orange);
            color: #fff;
        }
        .badge-pink-outline {
            background: transparent;
            border: 1px solid var(--c-accent-pink);
            color: var(--c-accent-pink);
        }
        .badge-dark-outline {
            background: transparent;
            border: 1px solid var(--c-border-light);
            color: var(--c-text-muted-dark);
        }
        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            z-index: 1000;
            background: rgba(26, 11, 46, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(15, 10, 26, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-sm);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--c-primary-orange);
            box-shadow: 0 0 12px rgba(255, 107, 26, 0.8);
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-logo-dot::after {
            content: '';
            display: block;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--c-secondary-cyan);
            margin: 3px 0 0 3px;
            box-shadow: 0 0 6px rgba(34, 211, 238, 0.7);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-menu::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-muted-light);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-link.active {
            color: var(--c-primary-orange);
            background: rgba(255, 107, 26, 0.12);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--c-primary-orange);
            border-radius: 2px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .nav-search-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text-muted-light);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            color: #fff;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Mobile nav drawer */
        .nav-mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            width: 100%;
            background: rgba(15, 10, 26, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: var(--space-md);
            z-index: 999;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transform: translateY(-8px);
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-base);
        }
        .nav-mobile-drawer.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .nav-mobile-drawer a {
            display: block;
            padding: 10px 12px;
            color: var(--c-text-muted-light);
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-mobile-drawer a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-mobile-drawer a.active {
            color: var(--c-primary-orange);
            background: rgba(255, 107, 26, 0.12);
        }
        /* Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(165deg, var(--c-bg-dark) 0%, var(--c-bg-deep) 55%, var(--c-bg-purple-mid) 100%);
            color: var(--c-text-light);
            padding-top: var(--nav-height);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(255, 107, 26, 0.22) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -15%;
            left: -10%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-content {
            padding: var(--space-lg) 0;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--c-text-muted-light);
            margin-bottom: var(--space-md);
        }
        .hero-breadcrumb a {
            color: var(--c-secondary-cyan);
            transition: color var(--transition-fast);
        }
        .hero-breadcrumb a:hover {
            color: #fff;
        }
        .hero-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
        }
        .hero-title {
            font-family: var(--font-title);
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: var(--space-sm);
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            max-width: 540px;
            margin-bottom: var(--space-md);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-xs);
            margin-bottom: var(--space-lg);
        }
        .hero-stats {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-number {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--c-primary-orange);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
            aspect-ratio: 4/3;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            justify-content: flex-start;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 11, 46, 0.1) 0%, rgba(15, 10, 26, 0.82) 100%);
        }
        .hero-visual-badge {
            position: relative;
            z-index: 2;
            margin: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .hero-live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 0, 0, 0.6);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-round);
            font-size: 12px;
            font-weight: 600;
            width: fit-content;
        }
        .hero-live-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #ff3b3b;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }
        .hero-visual-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 600;
            color: #fff;
        }
        .hero-visual-subtitle {
            font-size: 13px;
            color: var(--c-text-muted-light);
        }
        /* Cards */
        .card-grid {
            display: grid;
            gap: var(--space-md);
        }
        .card-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--c-border-light);
            box-shadow: 0 2px 12px rgba(26, 11, 46, 0.06);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(26, 11, 46, 0.12);
            border-color: rgba(255, 107, 26, 0.3);
        }
        .card--dark {
            background: var(--c-bg-dark);
            border-color: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .card--dark:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
        }
        .card-cover {
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--space-sm);
            position: relative;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .card:hover .card-cover img {
            transform: scale(1.06);
        }
        .card-cover-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }
        .card-title {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            color: inherit;
        }
        .card-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-sm);
        }
        .card--dark .card-text {
            color: var(--c-text-muted-light);
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 13px;
            color: var(--c-text-muted-dark);
            flex-wrap: wrap;
        }
        .card--dark .card-meta {
            color: var(--c-text-muted-light);
        }
        /* List styles */
        .styled-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .styled-list li {
            position: relative;
            padding-left: 24px;
            font-size: 15px;
            line-height: 1.8;
            color: inherit;
        }
        .styled-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-primary-orange);
            box-shadow: 0 0 8px rgba(255, 107, 26, 0.5);
        }
        .styled-list--cyan li::before {
            background: var(--c-secondary-cyan);
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            counter-reset: step-counter;
        }
        .step-item {
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--c-border-light);
            position: relative;
            counter-increment: step-counter;
            transition: all var(--transition-base);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(26, 11, 46, 0.1);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .step-item::before {
            content: counter(step-counter, decimal-leading-zero);
            font-family: var(--font-title);
            font-size: 40px;
            font-weight: 700;
            color: rgba(255, 107, 26, 0.18);
            display: block;
            margin-bottom: var(--space-xs);
            line-height: 1;
        }
        .step-item-title {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--c-text-dark);
        }
        .step-item-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }
        /* Feature split */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
        }
        .feature-split-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 16/10;
            box-shadow: 0 16px 32px rgba(26, 11, 46, 0.16);
            position: relative;
        }
        .feature-split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-split-content {
            padding: var(--space-sm) 0;
        }
        .feature-split-title {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: var(--space-sm);
        }
        .feature-split-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-sm);
        }
        /* Data bar */
        .data-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .data-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            text-align: center;
            transition: all var(--transition-base);
        }
        .data-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 107, 26, 0.4);
            transform: translateY(-4px);
        }
        .data-item-number {
            font-family: var(--font-title);
            font-size: 34px;
            font-weight: 700;
            color: var(--c-primary-orange);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-item-label {
            font-size: 14px;
            color: var(--c-text-muted-light);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.open {
            border-color: rgba(255, 107, 26, 0.35);
            box-shadow: 0 4px 16px rgba(26, 11, 46, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding: var(--space-sm) var(--space-md);
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text-dark);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--c-primary-orange);
        }
        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 26, 0.1);
            color: var(--c-primary-orange);
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-question-text {
            flex: 1;
        }
        .faq-icon {
            font-size: 18px;
            color: var(--c-text-muted-dark);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--c-primary-orange);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 var(--space-md);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-md) var(--space-md);
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
        }
        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--c-bg-purple-mid), var(--c-bg-dark));
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 107, 26, 0.25) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-box-content {
            position: relative;
            z-index: 2;
        }
        .cta-box-title {
            font-family: var(--font-title);
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            margin-bottom: var(--space-xs);
        }
        .cta-box-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            max-width: 560px;
            margin: 0 auto var(--space-md);
        }
        /* Footer */
        .site-footer {
            background: var(--c-bg-deep);
            color: var(--c-text-muted-light);
            padding: var(--space-xl) 0 var(--space-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: var(--space-xs);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
            max-width: 400px;
        }
        .footer-links h4 {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--space-xs);
        }
        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--c-primary-orange);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-xs);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
        }
        .footer-bottom-info {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--space-sm);
        }
        .footer-bottom-links a {
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--c-primary-orange);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                gap: var(--space-lg);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-xxl: 56px;
                --space-xl: 40px;
                --space-lg: 28px;
                --space-md: 20px;
                --space-sm: 14px;
            }
            .nav-menu {
                display: none;
            }
            .nav-cta .btn-secondary {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-mobile-drawer {
                display: block;
            }
            .hero {
                min-height: auto;
                padding: calc(var(--nav-height) + 40px) 0 48px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .hero-content {
                padding: var(--space-sm) 0;
            }
            .hero-title {
                font-size: clamp(28px, 7vw, 34px);
            }
            .hero-stats {
                gap: var(--space-md);
            }
            .hero-visual {
                aspect-ratio: 16/10;
                border-radius: var(--radius-md);
            }
            .feature-split {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .feature-split-image {
                order: -1;
                aspect-ratio: 16/9;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .data-bar {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xs);
            }
            .card-grid--3,
            .card-grid--4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .cta-box {
                padding: var(--space-lg) var(--space-md);
            }
            .faq-question {
                font-size: 14px;
                padding: var(--space-xs) var(--space-sm);
            }
        }
        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .data-bar {
                grid-template-columns: 1fr;
            }
            .card {
                padding: var(--space-sm);
            }
            .section-title {
                font-size: 24px;
            }
            .footer-bottom-info {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category4 */
:root {
            --c-bg-dark: #1A0B2E;
            --c-bg-deep: #0F0A1A;
            --c-bg-light: #F7F5FA;
            --c-bg-white: #FFFFFF;
            --c-bg-purple-mid: #2D1154;
            --c-primary-orange: #FF6B1A;
            --c-primary-orange-light: #FF8C42;
            --c-secondary-cyan: #22D3EE;
            --c-secondary-cyan-light: #00E5FF;
            --c-accent-pink: #E91E8C;
            --c-text-dark: #221533;
            --c-text-light: #FFFFFF;
            --c-text-muted-light: #B8B0C9;
            --c-text-muted-dark: #6E6480;
            --c-border-light: #E6E1ED;
            --c-border-dark: rgba(255, 255, 255, 0.12);
            --c-shadow-dark: rgba(26, 11, 46, 0.14);
            --c-shadow-orange: rgba(255, 107, 26, 0.18);
            --c-shadow-cyan: rgba(34, 211, 238, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-round: 999px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xxl) 0;
        }

        .section--dark {
            background: var(--c-bg-dark);
            color: var(--c-text-light);
        }

        .section--deep {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
        }

        .section--light {
            background: var(--c-bg-light);
            color: var(--c-text-dark);
        }

        .section--white {
            background: var(--c-bg-white);
            color: var(--c-text-dark);
        }

        .section--purple-mid {
            background: var(--c-bg-purple-mid);
            color: var(--c-text-light);
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: inherit;
        }

        .section-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }

        .section--dark .section-subtitle,
        .section--deep .section-subtitle,
        .section--purple-mid .section-subtitle {
            color: var(--c-text-muted-light);
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        .section-header--center {
            text-align: center;
        }

        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-gradient-orange {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-pink {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-xs);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            color: #fff;
            box-shadow: 0 4px 16px var(--c-shadow-orange);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E85D0E, #FF7A2E);
            box-shadow: 0 6px 24px rgba(233, 30, 140, 0.28);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--c-secondary-cyan);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--c-secondary-cyan);
            border: 1.5px solid var(--c-secondary-cyan);
        }

        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: var(--c-secondary-cyan-light);
            color: var(--c-secondary-cyan-light);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid var(--c-primary-orange);
            outline-offset: 2px;
        }

        .btn-large {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 12px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-round);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .badge-cyan {
            background: var(--c-secondary-cyan);
            color: #04121A;
        }

        .badge-pink {
            background: transparent;
            color: var(--c-accent-pink);
            border: 1px solid var(--c-accent-pink);
        }

        .badge-orange {
            background: rgba(255, 107, 26, 0.14);
            color: var(--c-primary-orange);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 10, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--c-border-dark);
            height: var(--nav-height);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-md);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--c-text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            box-shadow: 0 0 12px rgba(255, 107, 26, 0.7);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-muted-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--c-text-light);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            color: var(--c-primary-orange);
            background: rgba(255, 107, 26, 0.12);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-round);
            padding: 6px 14px;
            color: var(--c-text-muted-light);
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .nav-search:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--c-text-light);
        }

        .nav-search svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--c-text-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .hero-interactive {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
            background: var(--c-bg-deep);
            overflow: hidden;
        }

        .hero-interactive::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-interactive::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 10, 26, 0.75) 0%, rgba(26, 11, 46, 0.55) 50%, var(--c-bg-deep) 100%);
            z-index: 2;
        }

        .hero-interactive .container {
            position: relative;
            z-index: 3;
        }

        .hero-interactive-content {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
            color: var(--c-text-light);
        }

        .hero-interactive-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: var(--radius-round);
            background: rgba(255, 107, 26, 0.15);
            border: 1px solid rgba(255, 107, 26, 0.4);
            color: var(--c-primary-orange-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--space-md);
        }

        .hero-interactive-content h1 {
            font-family: var(--font-title);
            font-size: clamp(34px, 5.5vw, 54px);
            font-weight: 700;
            line-height: 1.22;
            letter-spacing: -1px;
            margin-bottom: var(--space-md);
        }

        .hero-interactive-content .hero-subtitle {
            font-size: 18px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            max-width: 620px;
            margin: 0 auto var(--space-lg);
        }

        .hero-interactive-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
        }

        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            border: 2px solid rgba(255, 255, 255, 0.35);
            margin: 0 auto var(--space-sm);
            cursor: pointer;
            transition: all var(--transition-bounce);
            position: relative;
        }

        .hero-play-btn::after {
            content: '';
            position: absolute;
            inset: -8px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.12);
            animation: pulse-ring 2s infinite;
        }

        .hero-play-btn:hover {
            background: rgba(255, 107, 26, 0.25);
            border-color: var(--c-primary-orange);
            transform: scale(1.08);
        }

        .hero-play-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--c-text-light);
            margin-left: 4px;
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(1);
                opacity: 1;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        .hero-interactive-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-lg);
            flex-wrap: wrap;
            margin-top: var(--space-md);
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .stat-number {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-primary-orange);
            display: block;
            line-height: 1.2;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        /* ========== 功能卡片 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .feature-card {
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--c-border-light);
            box-shadow: 0 4px 16px var(--c-shadow-dark);
            transition: all var(--transition-bounce);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--c-primary-orange), var(--c-accent-pink));
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(26, 11, 46, 0.18);
        }

        .feature-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255, 107, 26, 0.12), rgba(233, 30, 140, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-sm);
            font-size: 22px;
            color: var(--c-primary-orange);
        }

        .feature-card h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: var(--space-xs);
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }

        /* ========== 详情板块 ========== */
        .interactive-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .interactive-detail--reverse {
            direction: rtl;
        }

        .interactive-detail--reverse>* {
            direction: ltr;
        }

        .interactive-detail-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(26, 11, 46, 0.2);
            position: relative;
        }

        .interactive-detail-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .interactive-detail-image:hover img {
            transform: scale(1.04);
        }

        .interactive-detail-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(26, 11, 46, 0.5));
        }

        .interactive-detail-content h3 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: var(--space-sm);
            letter-spacing: -0.3px;
        }

        .interactive-detail-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-sm);
        }

        .feature-tag-list {
            display: flex;
            gap: var(--space-xs);
            flex-wrap: wrap;
            margin-top: var(--space-sm);
        }

        /* ========== 数据条 ========== */
        .stat-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            background: var(--c-bg-purple-mid);
            border-radius: var(--radius-xl);
            padding: var(--space-lg);
            border: 1px solid var(--c-border-dark);
        }

        .stat-strip-item {
            text-align: center;
            color: var(--c-text-light);
        }

        .stat-strip-item .stat-number {
            font-family: var(--font-title);
            font-size: 38px;
            font-weight: 700;
            color: var(--c-primary-orange);
            display: block;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-strip-item .stat-label {
            font-size: 14px;
            color: var(--c-text-muted-light);
        }

        /* ========== 粉丝团等级 ========== */
        .level-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .level-card {
            background: var(--c-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--c-border-light);
            text-align: center;
            transition: all var(--transition-bounce);
            position: relative;
        }

        .level-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(26, 11, 46, 0.12);
        }

        .level-card .level-icon {
            font-size: 36px;
            margin-bottom: var(--space-xs);
        }

        .level-card h4 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 4px;
        }

        .level-card .level-desc {
            font-size: 14px;
            color: var(--c-text-muted-dark);
            line-height: 1.7;
        }

        .level-card.featured {
            border-color: var(--c-primary-orange);
            box-shadow: 0 6px 20px var(--c-shadow-orange);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border-light);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 26, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding: var(--space-sm) var(--space-md);
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--c-text-dark);
            transition: all var(--transition-fast);
            width: 100%;
            text-align: left;
            background: none;
        }

        .faq-question:hover {
            color: var(--c-primary-orange);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 26, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-primary-orange);
            font-weight: 700;
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--c-primary-orange);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base) ease;
            padding: 0 var(--space-md);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: var(--space-sm);
        }

        .faq-answer p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--c-text-muted-dark);
            padding: 0 0 var(--space-xs);
        }

        /* ========== CTA ========== */
        .cta-panel {
            background: linear-gradient(135deg, var(--c-bg-dark) 0%, var(--c-bg-purple-mid) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            color: var(--c-text-light);
            border: 1px solid var(--c-border-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 26, 0.2) 0%, transparent 70%);
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.12) 0%, transparent 70%);
        }

        .cta-panel .container {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .cta-panel p {
            font-size: 16px;
            color: var(--c-text-muted-light);
            max-width: 560px;
            margin: 0 auto var(--space-md);
        }

        .cta-panel .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid var(--c-border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-lg);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-primary-orange-light);
            margin-bottom: var(--space-sm);
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--c-primary-orange);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-sm);
            padding-top: var(--space-md);
            border-top: 1px solid var(--c-border-dark);
        }

        .footer-bottom-info {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            font-size: 13px;
            color: var(--c-text-muted-light);
        }

        .footer-bottom-links a:hover {
            color: var(--c-primary-orange);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .level-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .interactive-detail {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .interactive-detail--reverse {
                direction: ltr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-xxl: 56px;
                --space-xl: 40px;
                --space-lg: 28px;
                --space-md: 20px;
            }

            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--space-md);
                gap: 4px;
                border-bottom: 1px solid var(--c-border-dark);
                z-index: 999;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-search {
                display: none;
            }

            .nav-actions .btn {
                display: none;
            }

            .hero-interactive {
                min-height: auto;
                padding-top: calc(var(--nav-height) + var(--space-xl));
                padding-bottom: var(--space-xl);
            }

            .hero-interactive-content h1 {
                font-size: 30px;
            }

            .hero-interactive-content .hero-subtitle {
                font-size: 16px;
            }

            .hero-interactive-stats {
                gap: var(--space-md);
            }

            .hero-stat-item .stat-number {
                font-size: 22px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .stat-strip {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
                padding: var(--space-md);
            }

            .stat-strip-item .stat-number {
                font-size: 26px;
            }

            .level-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-info {
                justify-content: center;
            }

            .cta-panel {
                padding: var(--space-lg) var(--space-md);
            }

            .cta-panel h2 {
                font-size: 26px;
            }

            .interactive-detail-image img {
                height: 240px;
            }
        }

        @media (max-width: 520px) {
            .hero-interactive-content h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 24px;
            }

            .btn-large {
                padding: 12px 24px;
                font-size: 14px;
            }

            .hero-play-btn {
                width: 52px;
                height: 52px;
            }

            .stat-strip {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category6 */
:root {
            --c-bg-dark: #1A0B2E;
            --c-bg-deep: #0F0A1A;
            --c-bg-light: #F7F5FA;
            --c-bg-white: #FFFFFF;
            --c-bg-purple-mid: #2D1154;
            --c-primary-orange: #FF6B1A;
            --c-primary-orange-light: #FF8C42;
            --c-secondary-cyan: #22D3EE;
            --c-secondary-cyan-light: #00E5FF;
            --c-accent-pink: #E91E8C;
            --c-text-dark: #221533;
            --c-text-light: #FFFFFF;
            --c-text-muted-light: #B8B0C9;
            --c-text-muted-dark: #6E6480;
            --c-border-light: #E6E1ED;
            --c-border-dark: rgba(255, 255, 255, 0.12);
            --c-shadow-dark: rgba(26, 11, 46, 0.14);
            --c-shadow-orange: rgba(255, 107, 26, 0.18);
            --c-shadow-cyan: rgba(34, 211, 238, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-round: 999px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xxl) 0;
        }

        .section--dark {
            background: var(--c-bg-dark);
            color: var(--c-text-light);
        }

        .section--deep {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
        }

        .section--light {
            background: var(--c-bg-light);
            color: var(--c-text-dark);
        }

        .section--white {
            background: var(--c-bg-white);
            color: var(--c-text-dark);
        }

        .section--purple-mid {
            background: var(--c-bg-purple-mid);
            color: var(--c-text-light);
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: inherit;
        }

        .section-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }

        .section--dark .section-subtitle,
        .section--deep .section-subtitle,
        .section--purple-mid .section-subtitle {
            color: var(--c-text-muted-light);
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        .section-header--center {
            text-align: center;
        }

        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-gradient-orange {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gradient-pink {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 16px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition-bounce);
            white-space: nowrap;
            position: relative;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            color: var(--c-text-light);
            box-shadow: 0 8px 20px var(--c-shadow-orange);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            box-shadow: 0 12px 28px rgba(233, 30, 140, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--c-secondary-cyan);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--c-text-light);
            border: 2px solid var(--c-secondary-cyan);
            box-shadow: 0 0 0 var(--c-shadow-cyan);
        }

        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: var(--c-secondary-cyan-light);
            box-shadow: 0 8px 24px var(--c-shadow-cyan);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary:focus-visible {
            outline: 3px solid var(--c-primary-orange);
            outline-offset: 2px;
        }

        .btn-dark {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
            border: 2px solid var(--c-border-dark);
        }

        .btn-dark:hover {
            background: var(--c-bg-purple-mid);
            border-color: var(--c-primary-orange);
            color: var(--c-primary-orange-light);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-round);
            letter-spacing: 0.3px;
            line-height: 1.6;
        }

        .badge-cyan {
            background: var(--c-secondary-cyan);
            color: var(--c-bg-deep);
        }

        .badge-pink {
            background: transparent;
            color: var(--c-accent-pink);
            border: 1.5px solid var(--c-accent-pink);
        }

        .badge-orange {
            background: var(--c-primary-orange);
            color: #fff;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(26, 11, 46, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--c-border-dark);
            transition: background var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-md);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--c-text-light);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-dot {
            width: 12px;
            height: 12px;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-secondary-cyan));
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 12px var(--c-primary-orange);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: nowrap;
        }

        .nav-link {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--c-text-muted-light);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--c-text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--c-primary-orange-light);
            background: rgba(255, 107, 26, 0.12);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-round);
            padding: 6px 16px;
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .nav-search:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--c-secondary-cyan);
            color: var(--c-text-light);
        }

        .nav-cta {
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-round);
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            color: #fff;
            transition: all var(--transition-bounce);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            transform: translateY(-1px);
            box-shadow: 0 6px 18px var(--c-shadow-orange);
            color: #fff;
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            height: 22px;
            justify-content: center;
            align-items: center;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
        }

        .nav-burger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--c-text-light);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-burger span:nth-child(2) {
            width: 18px;
            align-self: flex-end;
        }

        .nav-burger:hover span {
            background: var(--c-primary-orange-light);
        }

        /* Hero */
        .hero-tech {
            position: relative;
            padding: calc(var(--nav-height) + var(--space-xxl)) 0 var(--space-xxl);
            background: linear-gradient(160deg, var(--c-bg-dark) 0%, var(--c-bg-deep) 60%, var(--c-bg-purple-mid) 100%);
            color: var(--c-text-light);
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }

        .hero-tech .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .hero-tech-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-tech-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 11, 46, 0.85) 0%, rgba(15, 10, 26, 0.4) 50%, rgba(45, 17, 84, 0.7) 100%);
        }

        .hero-tech-content {
            position: relative;
            z-index: 2;
        }

        .hero-tech-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-secondary-cyan-light);
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.3);
            padding: 6px 16px;
            border-radius: var(--radius-round);
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
        }

        .hero-tech-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--c-secondary-cyan);
            border-radius: 50%;
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5); }
            50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(34, 211, 238, 0); }
        }

        .hero-tech h1 {
            font-family: var(--font-title);
            font-size: clamp(34px, 4vw, 48px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-md);
            color: var(--c-text-light);
        }

        .hero-tech-desc {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            max-width: 520px;
            margin-bottom: var(--space-lg);
        }

        .hero-tech-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
        }

        .hero-tech-stats {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            padding-top: var(--space-md);
            border-top: 1px solid var(--c-border-dark);
        }

        .hero-tech-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-tech-stat-value {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-primary-orange-light);
            letter-spacing: -0.5px;
        }

        .hero-tech-stat-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
            letter-spacing: 0.5px;
        }

        .hero-tech-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-tech-visual-frame {
            width: 100%;
            max-width: 480px;
            background: rgba(15, 10, 26, 0.7);
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-xl);
            padding: var(--space-md);
            backdrop-filter: blur(8px);
            position: relative;
            overflow: hidden;
        }

        .hero-tech-visual-frame::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(135deg, var(--c-secondary-cyan), transparent 40%, var(--c-primary-orange));
            border-radius: var(--radius-xl);
            z-index: -1;
            opacity: 0.4;
        }

        .hero-tech-visual-image {
            width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: var(--space-sm);
        }

        .hero-tech-visual-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .hero-tech-visual-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--c-text-muted-light);
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--c-border-dark);
        }

        .hero-tech-visual-status .online {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--c-secondary-cyan-light);
            font-weight: 600;
        }

        .hero-tech-visual-status .online::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--c-secondary-cyan);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--c-secondary-cyan);
        }

        .hero-tech-visual-bars {
            display: flex;
            gap: 6px;
            padding-top: var(--space-sm);
        }

        .hero-tech-visual-bars span {
            flex: 1;
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 2px;
            overflow: hidden;
        }

        .hero-tech-visual-bars span::after {
            content: '';
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--c-secondary-cyan), var(--c-primary-orange));
            border-radius: 2px;
            animation: barPulse 2.4s infinite;
        }

        .hero-tech-visual-bars span:nth-child(2)::after { animation-delay: 0.3s; width: 75%; }
        .hero-tech-visual-bars span:nth-child(3)::after { animation-delay: 0.6s; width: 90%; }
        .hero-tech-visual-bars span:nth-child(4)::after { animation-delay: 0.9s; width: 60%; }
        .hero-tech-visual-bars span:nth-child(5)::after { animation-delay: 1.2s; width: 82%; }

        @keyframes barPulse {
            0%, 100% { width: 50%; opacity: 0.7; }
            50% { width: 95%; opacity: 1; }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--c-bg-white);
            border-bottom: 1px solid var(--c-border-light);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--c-text-muted-dark);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--c-text-muted-dark);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--c-primary-orange);
        }

        .breadcrumb span.sep {
            color: var(--c-primary-orange);
            font-weight: 600;
        }

        .breadcrumb span.current {
            color: var(--c-text-dark);
            font-weight: 600;
        }

        /* Tech Feature Grid */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: var(--space-md);
        }

        .tech-card {
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 12px var(--c-shadow-dark);
            position: relative;
            overflow: hidden;
        }

        .tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--c-secondary-cyan), var(--c-primary-orange));
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .tech-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px var(--c-shadow-dark);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .tech-card:hover::before {
            opacity: 1;
        }

        .tech-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: var(--space-sm);
            background: rgba(34, 211, 238, 0.1);
            color: var(--c-secondary-cyan);
        }

        .tech-card h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--c-text-dark);
            line-height: 1.4;
        }

        .tech-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }

        .tech-grid .tech-card:nth-child(1) { grid-column: span 6; }
        .tech-grid .tech-card:nth-child(2) { grid-column: span 6; }
        .tech-grid .tech-card:nth-child(3) { grid-column: span 4; }
        .tech-grid .tech-card:nth-child(4) { grid-column: span 4; }
        .tech-grid .tech-card:nth-child(5) { grid-column: span 4; }

        /* Data Strip */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .data-block {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-base);
        }

        .data-block:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-2px);
        }

        .data-block-value {
            font-family: var(--font-title);
            font-size: 38px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-secondary-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: var(--space-xs);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .data-block-label {
            font-size: 15px;
            color: var(--c-text-muted-light);
            letter-spacing: 0.5px;
        }

        .data-block-desc {
            font-size: 13px;
            color: var(--c-text-muted-light);
            opacity: 0.7;
            margin-top: 4px;
            line-height: 1.6;
        }

        /* Architecture Section */
        .arch-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .arch-text h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: var(--space-sm);
            line-height: 1.4;
        }

        .arch-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-md);
        }

        .arch-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .arch-list-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            font-size: 15px;
            line-height: 1.7;
            color: var(--c-text-dark);
        }

        .arch-list-item .check {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--c-secondary-cyan);
            color: var(--c-bg-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            margin-top: 4px;
        }

        .arch-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 16px 40px var(--c-shadow-dark);
        }

        .arch-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .arch-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--space-lg);
            background: linear-gradient(to top, rgba(15, 10, 26, 0.9), transparent);
            color: #fff;
        }

        .arch-visual-overlay h4 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .arch-visual-overlay p {
            font-size: 14px;
            color: var(--c-text-muted-light);
            line-height: 1.6;
        }

        /* Feature List */
        .feature-list-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }

        .feature-list-card {
            display: flex;
            gap: var(--space-sm);
            align-items: flex-start;
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: all var(--transition-base);
        }

        .feature-list-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 6px 20px var(--c-shadow-cyan);
        }

        .feature-list-card .num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--c-bg-purple-mid), var(--c-bg-dark));
            color: var(--c-primary-orange-light);
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .feature-list-card h4 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .feature-list-card p {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }

        /* Timeline */
        .timeline {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--c-secondary-cyan), var(--c-primary-orange));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-left: 32px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--c-bg-white);
            border: 3px solid var(--c-secondary-cyan);
            box-shadow: 0 0 10px var(--c-shadow-cyan);
        }

        .timeline-item h4 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text-light);
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.active {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: 0 8px 24px var(--c-shadow-cyan);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding: var(--space-md);
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            background: rgba(34, 211, 238, 0.04);
        }

        .faq-question h3 {
            font-family: var(--font-title);
            font-size: 16.5px;
            font-weight: 600;
            color: var(--c-text-dark);
            line-height: 1.5;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-question .faq-num {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--c-bg-purple-mid);
            color: var(--c-secondary-cyan);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--c-text-muted-dark);
            transition: transform var(--transition-base);
            font-size: 18px;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--c-primary-orange);
        }

        .faq-answer {
            max-height: 0;
            padding: 0 var(--space-md);
            overflow: hidden;
            transition: all var(--transition-base);
            color: var(--c-text-muted-dark);
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-md) var(--space-md);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--c-bg-dark), var(--c-bg-purple-mid));
            color: var(--c-text-light);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 40%;
            background-image: url('/assets/images/coverpic/cover-12.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--space-lg);
            align-items: center;
        }

        .cta-content h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 2.8vw, 32px);
            font-weight: 700;
            margin-bottom: var(--space-xs);
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        /* Form */
        .contact-form-wrap {
            background: var(--c-bg-white);
            border-radius: var(--radius-xl);
            padding: var(--space-lg);
            box-shadow: 0 16px 40px var(--c-shadow-dark);
            border: 1px solid var(--c-border-light);
            max-width: 560px;
            margin: 0 auto;
        }

        .contact-form-wrap h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: var(--space-md);
            text-align: center;
        }

        .form-group {
            margin-bottom: var(--space-md);
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text-dark);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--c-border-light);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            transition: all var(--transition-fast);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--c-secondary-cyan);
            background: var(--c-bg-white);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-group .error-text {
            font-size: 13px;
            color: var(--c-accent-pink);
            margin-top: 4px;
            display: none;
        }

        .form-group.has-error input,
        .form-group.has-error textarea {
            border-color: var(--c-accent-pink);
        }

        .form-group.has-error .error-text {
            display: block;
        }

        .form-submit {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-bounce);
            box-shadow: 0 8px 20px var(--c-shadow-orange);
        }

        .form-submit:hover {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(233, 30, 140, 0.3);
        }

        /* Footer */
        .site-footer {
            background: var(--c-bg-deep);
            color: var(--c-text-muted-light);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid var(--c-border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-lg);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--c-text-light);
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand p {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
            max-width: 400px;
        }

        .footer-links h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text-light);
            margin-bottom: var(--space-sm);
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--c-primary-orange-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            flex-wrap: wrap;
            padding-top: var(--space-md);
            border-top: 1px solid var(--c-border-dark);
        }

        .footer-bottom-info {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--c-text-muted-light);
            opacity: 0.8;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 13px;
        }

        .footer-bottom-links a {
            color: var(--c-text-muted-light);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--c-secondary-cyan-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-tech .container {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .hero-tech-visual {
                justify-content: flex-start;
            }

            .hero-tech-visual-frame {
                max-width: 100%;
            }

            .archive-layout,
            .arch-layout {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .tech-grid .tech-card:nth-child(1),
            .tech-grid .tech-card:nth-child(2),
            .tech-grid .tech-card:nth-child(3),
            .tech-grid .tech-card:nth-child(4),
            .tech-grid .tech-card:nth-child(5) {
                grid-column: span 6;
            }

            .cta-content {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-xxl: 48px;
                --space-xl: 32px;
                --space-lg: 24px;
                --space-md: 16px;
            }

            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 10, 26, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: var(--space-md);
                gap: 4px;
                border-bottom: 1px solid var(--c-border-dark);
                z-index: 999;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 15.5px;
            }

            .nav-burger {
                display: flex;
            }

            .nav-cta {
                font-size: 13px;
                padding: 6px 14px;
            }

            .nav-search {
                font-size: 13px;
                padding: 5px 12px;
            }

            .data-strip {
                grid-template-columns: 1fr;
            }

            .tech-grid .tech-card:nth-child(1),
            .tech-grid .tech-card:nth-child(2),
            .tech-grid .tech-card:nth-child(3),
            .tech-grid .tech-card:nth-child(4),
            .tech-grid .tech-card:nth-child(5) {
                grid-column: span 12;
            }

            .feature-list-row {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }

            .hero-tech {
                min-height: auto;
                padding-top: calc(var(--nav-height) + var(--space-lg));
            }

            .hero-tech h1 {
                font-size: 30px;
            }

            .hero-tech-stats {
                gap: var(--space-md);
            }

            .hero-tech-stat-value {
                font-size: 22px;
            }

            .section-title {
                font-size: 26px;
            }

            .cta-actions {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .hero-tech-visual-image img {
                height: 180px;
            }

            .hero-tech-badge {
                font-size: 12px;
                padding: 4px 12px;
            }

            .btn {
                font-size: 14px;
                padding: 10px 20px;
            }

            .tech-card {
                padding: var(--space-md);
            }

            .faq-question {
                padding: var(--space-sm) var(--space-md);
            }

            .faq-question h3 {
                font-size: 15px;
            }

            .data-block-value {
                font-size: 30px;
            }
        }

/* roulang page: category5 */
:root {
            --c-bg-dark: #1A0B2E;
            --c-bg-deep: #0F0A1A;
            --c-bg-light: #F7F5FA;
            --c-bg-white: #FFFFFF;
            --c-bg-purple-mid: #2D1154;
            --c-primary-orange: #FF6B1A;
            --c-primary-orange-light: #FF8C42;
            --c-secondary-cyan: #22D3EE;
            --c-secondary-cyan-light: #00E5FF;
            --c-accent-pink: #E91E8C;
            --c-text-dark: #221533;
            --c-text-light: #FFFFFF;
            --c-text-muted-light: #B8B0C9;
            --c-text-muted-dark: #6E6480;
            --c-border-light: #E6E1ED;
            --c-border-dark: rgba(255, 255, 255, 0.12);
            --c-shadow-dark: rgba(26, 11, 46, 0.14);
            --c-shadow-orange: rgba(255, 107, 26, 0.18);
            --c-shadow-cyan: rgba(34, 211, 238, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-round: 999px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        @media (max-width: 1024px) {
            :root {
                --space-xxl: 56px;
                --space-xl: 40px;
                --space-lg: 28px;
                --space-md: 20px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --space-xxl: 40px;
                --space-xl: 32px;
                --space-lg: 24px;
                --space-md: 16px;
                --space-sm: 12px;
            }
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text-dark);
            background: var(--c-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button, input, textarea, select {
            font-family: var(--font-body);
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xxl) 0;
        }
        .section--dark {
            background: var(--c-bg-dark);
            color: var(--c-text-light);
        }
        .section--deep {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
        }
        .section--light {
            background: var(--c-bg-light);
            color: var(--c-text-dark);
        }
        .section--white {
            background: var(--c-bg-white);
            color: var(--c-text-dark);
        }
        .section--purple-mid {
            background: var(--c-bg-purple-mid);
            color: var(--c-text-light);
        }
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: inherit;
        }
        .section-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }
        .section--dark .section-subtitle,
        .section--deep .section-subtitle,
        .section--purple-mid .section-subtitle {
            color: var(--c-text-muted-light);
        }
        .section-header {
            margin-bottom: var(--space-lg);
        }
        .section-header--center {
            text-align: center;
        }
        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .section-header--split {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--space-md);
            flex-wrap: wrap;
        }
        .section-header--split .section-title {
            margin-bottom: 0;
        }
        .text-gradient-orange {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .text-gradient-pink {
            background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            line-height: 1.2;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn--primary {
            background: var(--c-primary-orange);
            color: #fff;
            box-shadow: 0 8px 20px var(--c-shadow-orange);
        }
        .btn--primary:hover {
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(233, 30, 140, 0.28);
        }
        .btn--primary:focus-visible,
        .btn--secondary:focus-visible,
        .btn--ghost:focus-visible {
            outline: 3px solid rgba(34, 211, 238, 0.6);
            outline-offset: 2px;
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px var(--c-shadow-orange);
        }
        .btn--secondary {
            background: transparent;
            color: var(--c-secondary-cyan);
            border: 1.5px solid var(--c-secondary-cyan);
        }
        .btn--secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            transform: translateY(-2px);
        }
        .btn--secondary:active {
            transform: translateY(0);
        }
        .btn--ghost {
            background: rgba(255, 255, 255, 0.06);
            color: var(--c-text-light);
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }
        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }
        .btn--ghost:active {
            transform: translateY(0);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-round);
            line-height: 1.4;
        }
        .badge--cyan {
            background: rgba(34, 211, 238, 0.12);
            color: var(--c-secondary-cyan);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }
        .badge--pink {
            background: rgba(233, 30, 140, 0.1);
            color: var(--c-accent-pink);
            border: 1px solid rgba(233, 30, 140, 0.3);
        }
        .badge--orange {
            background: rgba(255, 107, 26, 0.12);
            color: var(--c-primary-orange);
            border: 1px solid rgba(255, 107, 26, 0.3);
        }
        .badge--white {
            background: rgba(255, 255, 255, 0.1);
            color: var(--c-text-light);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .badge--solid {
            background: var(--c-secondary-cyan);
            color: var(--c-bg-deep);
            border: 1px solid var(--c-secondary-cyan);
        }
        .badge--dot {
            position: relative;
            padding-left: 22px;
        }
        .badge--dot::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--c-border-light);
            background: var(--c-bg-white);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 36px var(--c-shadow-dark);
        }
        .card__image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .card__image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-bounce);
        }
        .card:hover .card__image-wrap img {
            transform: scale(1.06);
        }
        .card__image-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(26, 11, 46, 0.7), transparent);
            pointer-events: none;
        }
        .card__body {
            padding: var(--space-md);
        }
        .card__title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--c-text-dark);
        }
        .card__text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }
        .card--topline {
            border-top: 3px solid var(--c-primary-orange);
        }
        .card--cyan-line {
            border-top: 3px solid var(--c-secondary-cyan);
        }
        .card--pink-line {
            border-top: 3px solid var(--c-accent-pink);
        }
        .grid {
            display: grid;
            gap: var(--space-md);
        }
        .grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }
        @media (max-width: 1024px) {
            .grid--4 { grid-template-columns: repeat(2, 1fr); }
            .grid--3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 680px) {
            .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
        }
        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(26, 11, 46, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(26, 11, 46, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--space-sm);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 800;
            color: var(--c-text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-secondary-cyan));
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(255, 107, 26, 0.5);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-menu::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-muted-light);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-link:hover {
            color: var(--c-text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link.active {
            color: var(--c-primary-orange-light);
            background: rgba(255, 107, 26, 0.12);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: var(--radius-round);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .nav-search:hover {
            border-color: rgba(34, 211, 238, 0.4);
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--c-text-muted-light);
        }
        .nav-search input {
            background: none;
            border: none;
            color: var(--c-text-light);
            font-size: 13px;
            width: 100px;
        }
        .nav-search input::placeholder {
            color: var(--c-text-muted-light);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-toggle svg {
            width: 20px;
            height: 20px;
            color: var(--c-text-light);
        }
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 11, 46, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--space-sm);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 10px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-search {
                display: none;
            }
        }
        /* Hero — 线索获客提问式 */
        .hero {
            padding: calc(var(--nav-height) + var(--space-xxl)) 0 var(--space-xxl);
            background: linear-gradient(160deg, var(--c-bg-dark) 0%, var(--c-bg-deep) 40%, var(--c-bg-purple-mid) 100%);
            color: var(--c-text-light);
            position: relative;
            overflow: hidden;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 26, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--space-xl);
            align-items: center;
        }
        .hero-content {
            max-width: 620px;
        }
        .hero-badge-row {
            display: flex;
            gap: var(--space-xs);
            flex-wrap: wrap;
            margin-bottom: var(--space-md);
        }
        .hero-title {
            font-family: var(--font-title);
            font-size: clamp(32px, 4.5vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: var(--space-md);
        }
        .hero-pain {
            font-size: 18px;
            font-weight: 500;
            color: var(--c-primary-orange-light);
            margin-bottom: var(--space-sm);
            line-height: 1.6;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 2;
            color: var(--c-text-muted-light);
            margin-bottom: var(--space-lg);
            max-width: 540px;
        }
        .hero-trust {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            margin-top: var(--space-lg);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-trust-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-trust-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--c-secondary-cyan-light);
            font-family: var(--font-title);
            letter-spacing: -0.5px;
        }
        .hero-trust-label {
            font-size: 13px;
            color: var(--c-text-muted-light);
        }
        .hero-form-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-xl);
            padding: var(--space-lg);
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
        }
        .hero-form-card h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }
        .hero-form-card p {
            font-size: 14px;
            color: var(--c-text-muted-light);
            margin-bottom: var(--space-md);
        }
        .form-group {
            margin-bottom: var(--space-sm);
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--c-text-muted-light);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            font-size: 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1.5px solid rgba(255, 255, 255, 0.14);
            color: var(--c-text-light);
            transition: all var(--transition-fast);
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(184, 176, 201, 0.6);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--c-secondary-cyan);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .form-group--error input {
            border-color: var(--c-accent-pink);
        }
        .form-error {
            font-size: 12px;
            color: #ff6b9a;
            margin-top: 4px;
            display: none;
        }
        .form-group--error .form-error {
            display: block;
        }
        .hero-form-card .btn {
            width: 100%;
            margin-top: var(--space-xs);
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .hero-content {
                max-width: 100%;
            }
            .hero {
                min-height: auto;
                padding-top: calc(var(--nav-height) + var(--space-xl));
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-trust-item .hero-trust-num {
                font-size: 20px;
            }
            .hero-form-card {
                padding: var(--space-md);
            }
        }
        /* Partner Mode Cards */
        .mode-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: var(--space-md);
        }
        .mode-card {
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--c-border-light);
            background: var(--c-bg-white);
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
            position: relative;
            overflow: hidden;
        }
        .mode-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 36px var(--c-shadow-dark);
        }
        .mode-card--featured {
            border: 2px solid var(--c-secondary-cyan);
            background: linear-gradient(145deg, #fff 60%, rgba(34, 211, 238, 0.04));
            box-shadow: 0 12px 32px var(--c-shadow-cyan);
        }
        .mode-card--featured .mode-card__icon {
            background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
            color: var(--c-bg-deep);
        }
        .mode-card__icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 107, 26, 0.12);
            color: var(--c-primary-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            transition: all var(--transition-base);
        }
        .mode-card:hover .mode-card__icon {
            transform: scale(1.06);
        }
        .mode-card__title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--c-text-dark);
        }
        .mode-card__text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-dark);
        }
        .mode-card__tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--c-accent-pink);
            background: rgba(233, 30, 140, 0.08);
            border: 1px solid rgba(233, 30, 140, 0.2);
            border-radius: var(--radius-round);
            padding: 2px 10px;
            margin-top: var(--space-xs);
        }
        @media (max-width: 1024px) {
            .mode-grid {
                grid-template-columns: 1fr 1fr;
            }
            .mode-card--featured {
                grid-column: span 2;
            }
        }
        @media (max-width: 680px) {
            .mode-grid {
                grid-template-columns: 1fr;
            }
            .mode-card--featured {
                grid-column: span 1;
            }
        }
        /* Data Strip */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .data-strip-item {
            text-align: center;
            padding: var(--space-lg) var(--space-md);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-base);
        }
        .data-strip-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(34, 211, 238, 0.3);
            transform: translateY(-2px);
        }
        .data-strip-num {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            font-family: var(--font-title);
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .data-strip-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text-light);
            margin-top: 6px;
        }
        .data-strip-desc {
            font-size: 13px;
            color: var(--c-text-muted-light);
            margin-top: 4px;
        }
        @media (max-width: 1024px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .data-strip {
                grid-template-columns: 1fr;
            }
        }
        /* Case Cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .case-card {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
            transition: all var(--transition-base);
        }
        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 44px var(--c-shadow-dark);
            border-color: rgba(255, 107, 26, 0.3);
        }
        .case-card__image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .case-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-bounce);
        }
        .case-card:hover .case-card__image img {
            transform: scale(1.08);
        }
        .case-card__badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .case-card__body {
            padding: var(--space-md);
        }
        .case-card__title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--c-text-dark);
        }
        .case-card__text {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-xs);
        }
        .case-card__tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .case-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--c-accent-pink);
            background: rgba(233, 30, 140, 0.06);
            border: 1px solid rgba(233, 30, 140, 0.2);
            border-radius: var(--radius-round);
            padding: 2px 10px;
        }
        @media (max-width: 1024px) {
            .case-grid {
                grid-template-columns: 1fr 1fr;
            }
            .case-card:last-child {
                grid-column: span 2;
            }
        }
        @media (max-width: 680px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
            .case-card:last-child {
                grid-column: span 1;
            }
        }
        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            position: relative;
        }
        .process-step {
            text-align: center;
            padding: var(--space-lg) var(--space-sm);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        .process-step__num {
            width: 48px;
            height: 48px;
            margin: 0 auto var(--space-sm);
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-secondary-cyan));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            box-shadow: 0 8px 20px rgba(255, 107, 26, 0.25);
        }
        .process-step__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-light);
            margin-bottom: 6px;
        }
        .process-step__text {
            font-size: 13px;
            color: var(--c-text-muted-light);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }
        /* Deep Content */
        .deep-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .deep-content h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: var(--space-sm);
            margin-top: var(--space-lg);
        }
        .deep-content h3:first-child {
            margin-top: 0;
        }
        .deep-content p {
            font-size: 16px;
            line-height: 2;
            color: var(--c-text-muted-dark);
            margin-bottom: var(--space-md);
            text-align: justify;
        }
        .deep-content .highlight {
            color: var(--c-text-dark);
            font-weight: 600;
            border-left: 3px solid var(--c-primary-orange);
            padding-left: var(--space-sm);
            background: rgba(255, 107, 26, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .testimonial-card {
            padding: var(--space-md);
            border-radius: var(--radius-lg);
            background: var(--c-bg-white);
            border: 1px solid var(--c-border-light);
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px var(--c-shadow-dark);
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px var(--c-shadow-dark);
        }
        .testimonial-card__quote {
            font-size: 15px;
            line-height: 1.9;
            color: var(--c-text-dark);
            margin-bottom: var(--space-sm);
            position: relative;
            padding-left: 20px;
        }
        .testimonial-card__quote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 32px;
            font-weight: 800;
            color: var(--c-primary-orange);
            font-family: Georgia, serif;
            line-height: 1;
        }
        .testimonial-card__author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card__avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-card__name {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text-dark);
        }
        .testimonial-card__role {
            font-size: 12px;
            color: var(--c-text-muted-dark);
        }
        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--c-bg-white);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            border: 1px solid var(--c-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.active {
            border-color: rgba(255, 107, 26, 0.35);
            box-shadow: 0 8px 20px var(--c-shadow-dark);
        }
        .faq-item__header {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            padding: var(--space-md);
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }
        .faq-item__header:hover {
            background: rgba(255, 107, 26, 0.03);
        }
        .faq-item__num {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: 8px;
            background: rgba(255, 107, 26, 0.1);
            color: var(--c-primary-orange);
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
        }
        .faq-item__question {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text-dark);
            line-height: 1.5;
        }
        .faq-item__icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            color: var(--c-text-muted-dark);
            transition: transform var(--transition-base);
            position: relative;
        }
        .faq-item__icon::before,
        .faq-item__icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            background: currentColor;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .faq-item__icon::before {
            width: 14px;
            height: 2px;
            transform: translate(-50%, -50%);
        }
        .faq-item__icon::after {
            width: 2px;
            height: 14px;
            transform: translate(-50%, -50%);
        }
        .faq-item.active .faq-item__icon {
            transform: rotate(180deg);
        }
        .faq-item.active .faq-item__icon::after {
            opacity: 0;
            transform: translate(-50%, -50%) scaleY(0);
        }
        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            background: #FBF9FD;
        }
        .faq-item.active .faq-item__body {
            max-height: 400px;
        }
        .faq-item__answer {
            padding: 0 var(--space-md) var(--space-md) calc(32px + var(--space-md));
            font-size: 14px;
            line-height: 1.9;
            color: var(--c-text-muted-dark);
        }
        /* CTA Section */
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }
        .cta-content h2 {
            font-family: var(--font-title);
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: var(--space-sm);
            color: var(--c-text-light);
        }
        .cta-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text-muted-light);
            margin-bottom: var(--space-lg);
        }
        .cta-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }
        .cta-form-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-xl);
            padding: var(--space-lg);
        }
        .cta-form-card .form-group input,
        .cta-form-card .form-group textarea,
        .cta-form-card .form-group select {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.14);
            color: var(--c-text-light);
        }
        .cta-form-card .form-group label {
            color: var(--c-text-muted-light);
        }
        @media (max-width: 1024px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }
        /* Footer */
        .site-footer {
            background: var(--c-bg-deep);
            color: var(--c-text-light);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-lg);
        }
        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 800;
            margin-bottom: var(--space-sm);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-muted-light);
            max-width: 360px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text-light);
            margin-bottom: var(--space-sm);
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            font-size: 14px;
            color: var(--c-text-muted-light);
            transition: all var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: var(--c-primary-orange-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            flex-wrap: wrap;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-bottom-info {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 13px;
            color: var(--c-text-muted-light);
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--space-md);
            font-size: 13px;
        }
        .footer-bottom-links a {
            color: var(--c-text-muted-light);
        }
        .footer-bottom-links a:hover {
            color: var(--c-secondary-cyan-light);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 680px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category7 */
:root {
        --c-bg-dark: #1A0B2E;
        --c-bg-deep: #0F0A1A;
        --c-bg-light: #F7F5FA;
        --c-bg-white: #FFFFFF;
        --c-bg-purple-mid: #2D1154;
        --c-primary-orange: #FF6B1A;
        --c-primary-orange-light: #FF8C42;
        --c-secondary-cyan: #22D3EE;
        --c-secondary-cyan-light: #00E5FF;
        --c-accent-pink: #E91E8C;
        --c-text-dark: #221533;
        --c-text-light: #FFFFFF;
        --c-text-muted-light: #B8B0C9;
        --c-text-muted-dark: #6E6480;
        --c-border-light: #E6E1ED;
        --c-border-dark: rgba(255, 255, 255, 0.12);
        --c-shadow-dark: rgba(26, 11, 46, 0.14);
        --c-shadow-orange: rgba(255, 107, 26, 0.18);
        --c-shadow-cyan: rgba(34, 211, 238, 0.14);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --radius-round: 999px;
        --space-xs: 8px;
        --space-sm: 16px;
        --space-md: 24px;
        --space-lg: 40px;
        --space-xl: 64px;
        --space-xxl: 96px;
        --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
        --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
        --nav-height: 60px;
        --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    @media (max-width: 768px) {
        :root {
            --space-xxl: 56px;
            --space-xl: 40px;
            --space-lg: 28px;
            --space-md: 20px;
            --nav-height: 56px;
        }
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.8;
        color: var(--c-text-dark);
        background: var(--c-bg-light);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    button,
    input,
    textarea,
    select {
        font-family: var(--font-body);
        font-size: inherit;
        outline: none;
        border: none;
    }

    button {
        cursor: pointer;
        background: none;
    }

    .container {
        width: 100%;
        max-width: 1240px;
        margin: 0 auto;
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-xxl) 0;
    }

    .section--dark {
        background: var(--c-bg-dark);
        color: var(--c-text-light);
    }
    .section--deep {
        background: var(--c-bg-deep);
        color: var(--c-text-light);
    }
    .section--light {
        background: var(--c-bg-light);
        color: var(--c-text-dark);
    }
    .section--white {
        background: var(--c-bg-white);
        color: var(--c-text-dark);
    }
    .section--purple-mid {
        background: var(--c-bg-purple-mid);
        color: var(--c-text-light);
    }

    .section-title {
        font-family: var(--font-title);
        font-size: clamp(28px, 3.5vw, 36px);
        font-weight: 700;
        line-height: 1.3;
        letter-spacing: -0.5px;
        margin-bottom: var(--space-sm);
        color: inherit;
    }

    .section-subtitle {
        font-size: 17px;
        line-height: 1.9;
        color: var(--c-text-muted-dark);
        max-width: 680px;
        margin-bottom: var(--space-lg);
    }

    .section--dark .section-subtitle,
    .section--deep .section-subtitle,
    .section--purple-mid .section-subtitle {
        color: var(--c-text-muted-light);
    }

    .section-header {
        margin-bottom: var(--space-lg);
    }

    .section-header--center {
        text-align: center;
    }
    .section-header--center .section-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .text-gradient-orange {
        background: linear-gradient(135deg, var(--c-primary-orange), var(--c-primary-orange-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .text-gradient-cyan {
        background: linear-gradient(135deg, var(--c-secondary-cyan), var(--c-secondary-cyan-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .text-gradient-pink {
        background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 24px;
        border-radius: 10px;
        transition: all var(--transition-base);
        white-space: nowrap;
        line-height: 1.5;
        border: 2px solid transparent;
    }

    .btn--primary {
        background: var(--c-primary-orange);
        color: #fff;
        box-shadow: 0 4px 16px var(--c-shadow-orange);
    }
    .btn--primary:hover {
        background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
        transform: translateY(-2px);
        box-shadow: 0 8px 24px var(--c-shadow-orange);
    }
    .btn--primary:focus-visible {
        outline: 3px solid var(--c-secondary-cyan);
        outline-offset: 2px;
        box-shadow: 0 0 0 5px var(--c-shadow-cyan), 0 4px 16px var(--c-shadow-orange);
    }
    .btn--primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px var(--c-shadow-orange);
    }

    .btn--secondary {
        background: rgba(255, 255, 255, 0.04);
        color: var(--c-text-light);
        border-color: var(--c-secondary-cyan);
        box-shadow: none;
    }
    .btn--secondary:hover {
        background: rgba(34, 211, 238, 0.1);
        border-color: var(--c-secondary-cyan-light);
        transform: translateY(-2px);
    }
    .btn--secondary:focus-visible {
        outline: 3px solid var(--c-secondary-cyan);
        outline-offset: 2px;
    }
    .btn--secondary:active {
        transform: translateY(0);
        background: rgba(34, 211, 238, 0.16);
    }

    .btn--outline-light {
        background: transparent;
        color: var(--c-text-light);
        border-color: rgba(255, 255, 255, 0.4);
    }
    .btn--outline-light:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.7);
        transform: translateY(-2px);
    }

    .btn--ghost {
        background: transparent;
        color: var(--c-primary-orange);
        border: none;
        padding: 8px 4px;
        font-weight: 600;
    }
    .btn--ghost:hover {
        color: var(--c-accent-pink);
    }
    .btn--ghost .arrow {
        display: inline-block;
        transition: transform var(--transition-fast);
    }
    .btn--ghost:hover .arrow {
        transform: translateX(-4px);
    }

    .nav-bar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: var(--nav-height);
        background: rgba(26, 11, 46, 0.92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--c-border-dark);
        display: flex;
        align-items: center;
        transition: background var(--transition-base);
    }

    .nav-bar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-md);
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-family: var(--font-title);
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        flex-shrink: 0;
        letter-spacing: 0.5px;
    }

    .nav-logo-dot {
        width: 12px;
        height: 12px;
        background: var(--c-primary-orange);
        border-radius: 50%;
        box-shadow: 0 0 12px rgba(255, 107, 26, 0.7);
        flex-shrink: 0;
        position: relative;
    }
    .nav-logo-dot::after {
        content: '';
        position: absolute;
        width: 20px;
        height: 20px;
        border: 2px solid var(--c-secondary-cyan);
        border-radius: 50%;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0.6);
        opacity: 0.7;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        color: var(--c-text-muted-light);
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        white-space: nowrap;
        position: relative;
    }
    .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.06);
    }
    .nav-link.active {
        color: #fff;
        background: rgba(255, 107, 26, 0.18);
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        background: var(--c-primary-orange);
        border-radius: 999px;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        flex-shrink: 0;
    }

    .nav-search-btn {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        background: rgba(255, 255, 255, 0.06);
        transition: all var(--transition-fast);
        font-size: 16px;
    }
    .nav-search-btn:hover {
        background: rgba(255, 255, 255, 0.14);
    }

    .nav-cta {
        padding: 8px 18px;
        font-size: 14px;
        border-radius: var(--radius-sm);
        background: var(--c-primary-orange);
        color: #fff;
        font-weight: 600;
        transition: all var(--transition-fast);
    }
    .nav-cta:hover {
        background: linear-gradient(135deg, var(--c-accent-pink), var(--c-primary-orange));
        transform: translateY(-1px);
        box-shadow: 0 4px 14px var(--c-shadow-orange);
    }

    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        padding: 4px;
        cursor: pointer;
    }
    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: #fff;
        border-radius: 2px;
        transition: all var(--transition-base);
    }
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    @media (max-width: 1024px) {
        .nav-menu {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #1A0B2E;
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
            padding: var(--space-sm);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            border-bottom: 2px solid var(--c-border-dark);
        }
        .nav-menu.open {
            max-height: 500px;
            padding: var(--space-sm);
        }
        .nav-link {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
        }
        .nav-link.active::after {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-cta {
            padding: 6px 14px;
            font-size: 13px;
        }
    }

    @media (max-width: 520px) {
        .nav-logo {
            font-size: 17px;
        }
        .nav-cta {
            padding: 5px 10px;
            font-size: 12px;
        }
        .nav-search-btn {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }
    }

    .hero-event {
        min-height: 90vh;
        display: flex;
        align-items: center;
        padding-top: var(--nav-height);
        background: linear-gradient(180deg, #1A0B2E 0%, #2D1154 60%, #1A0B2E 100%);
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .hero-event::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
        opacity: 0.28;
        z-index: 1;
    }
    .hero-event::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 30% 40%, rgba(34, 211, 238, 0.16), transparent 55%),
            radial-gradient(ellipse at 75% 65%, rgba(255, 107, 26, 0.2), transparent 50%);
        z-index: 2;
    }
    .hero-event .container {
        position: relative;
        z-index: 3;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
        align-items: center;
    }

    .hero-event-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: rgba(34, 211, 238, 0.12);
        border: 1px solid rgba(34, 211, 238, 0.3);
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        color: var(--c-secondary-cyan-light);
        margin-bottom: var(--space-md);
    }

    .hero-event-title {
        font-family: var(--font-title);
        font-size: clamp(32px, 4.5vw, 48px);
        font-weight: 800;
        line-height: 1.25;
        letter-spacing: -0.5px;
        margin-bottom: var(--space-md);
    }

    .hero-event-desc {
        font-size: 17px;
        line-height: 1.9;
        color: var(--c-text-muted-light);
        max-width: 520px;
        margin-bottom: var(--space-lg);
    }

    .hero-event-reward {
        display: flex;
        gap: var(--space-md);
        margin-bottom: var(--space-lg);
        flex-wrap: wrap;
    }

    .hero-event-reward-item {
        display: flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--c-border-dark);
        border-radius: var(--radius-md);
        padding: 10px 16px;
        font-size: 14px;
        font-weight: 500;
    }
    .hero-event-reward-item .icon {
        font-size: 18px;
    }

    .hero-progress-wrap {
        background: rgba(255, 255, 255, 0.06);
        border-radius: var(--radius-md);
        padding: var(--space-md);
        margin-bottom: var(--space-lg);
        border: 1px solid var(--c-border-dark);
    }
    .hero-progress-label {
        display: flex;
        justify-content: space-between;
        font-size: 13px;
        color: var(--c-text-muted-light);
        margin-bottom: 8px;
    }
    .hero-progress-track {
        height: 8px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 999px;
        overflow: hidden;
    }
    .hero-progress-fill {
        height: 100%;
        width: 72%;
        background: linear-gradient(90deg, var(--c-primary-orange), var(--c-primary-orange-light), var(--c-accent-pink));
        border-radius: 999px;
        transition: width 1s ease;
    }

    .hero-event-ctas {
        display: flex;
        gap: var(--space-sm);
        flex-wrap: wrap;
    }

    .hero-event-visual {
        position: relative;
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 2px solid rgba(34, 211, 238, 0.25);
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
        aspect-ratio: 4/3;
        min-height: 320px;
    }
    .hero-event-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .hero-event-visual .overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: var(--space-lg) var(--space-md) var(--space-md);
        background: linear-gradient(180deg, transparent, rgba(15, 10, 26, 0.9));
        display: flex;
        align-items: flex-end;
        gap: var(--space-sm);
        flex-wrap: wrap;
    }
    .hero-event-visual .live-badge {
        background: var(--c-secondary-cyan);
        color: #0F0A1A;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.5px;
    }
    .hero-event-visual .tag-text {
        font-size: 13px;
        color: #fff;
        font-weight: 500;
    }

    @media (max-width: 960px) {
        .hero-event .container {
            grid-template-columns: 1fr;
            gap: var(--space-lg);
        }
        .hero-event {
            min-height: auto;
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 60px;
        }
        .hero-event-visual {
            aspect-ratio: 16/9;
            min-height: 240px;
        }
    }

    @media (max-width: 520px) {
        .hero-event-title {
            font-size: 28px;
        }
        .hero-event-desc {
            font-size: 15px;
        }
        .hero-event-reward {
            gap: var(--space-xs);
        }
        .hero-event-reward-item {
            font-size: 12px;
            padding: 8px 12px;
        }
        .hero-event-ctas {
            flex-direction: column;
        }
        .hero-event-ctas .btn {
            width: 100%;
        }
    }

    .stats-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-sm);
        margin-top: var(--space-lg);
    }
    .stat-block {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--c-border-dark);
        border-radius: var(--radius-md);
        padding: var(--space-md);
        text-align: center;
        transition: all var(--transition-base);
    }
    .stat-block:hover {
        background: rgba(255, 255, 255, 0.07);
        border-color: rgba(34, 211, 238, 0.4);
    }
    .stat-block-number {
        font-family: var(--font-title);
        font-size: 28px;
        font-weight: 700;
        color: var(--c-primary-orange-light);
        line-height: 1.2;
    }
    .stat-block-label {
        font-size: 13px;
        color: var(--c-text-muted-light);
        margin-top: 4px;
    }

    @media (max-width: 768px) {
        .stats-strip {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .event-card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .event-card {
        background: var(--c-bg-white);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--c-border-light);
        box-shadow: 0 4px 16px var(--c-shadow-dark);
        transition: all var(--transition-bounce);
        display: flex;
        flex-direction: column;
    }
    .event-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px var(--c-shadow-dark);
        border-color: rgba(34, 211, 238, 0.35);
    }
    .event-card-image {
        position: relative;
        aspect-ratio: 16/10;
        overflow: hidden;
    }
    .event-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-base);
    }
    .event-card:hover .event-card-image img {
        transform: scale(1.04);
    }
    .event-card-image .status-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.3px;
    }
    .status-badge--live {
        background: var(--c-secondary-cyan);
        color: #0F0A1A;
    }
    .status-badge--upcoming {
        background: var(--c-accent-pink);
        color: #fff;
    }
    .status-badge--ended {
        background: #6E6480;
        color: #fff;
    }
    .event-card-body {
        padding: var(--space-md);
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .event-card-date {
        font-size: 13px;
        color: var(--c-primary-orange);
        font-weight: 600;
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .event-card-date .dot {
        width: 6px;
        height: 6px;
        background: var(--c-primary-orange);
        border-radius: 50%;
    }
    .event-card-title {
        font-family: var(--font-title);
        font-size: 19px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 8px;
        color: var(--c-text-dark);
    }
    .event-card-desc {
        font-size: 14px;
        line-height: 1.7;
        color: var(--c-text-muted-dark);
        margin-bottom: var(--space-sm);
        flex: 1;
    }
    .event-card-tags {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
        margin-bottom: var(--space-sm);
    }
    .event-tag {
        font-size: 12px;
        padding: 3px 10px;
        border-radius: 999px;
        border: 1px solid var(--c-accent-pink);
        color: var(--c-accent-pink);
        font-weight: 500;
    }
    .event-card-link {
        align-self: flex-start;
        font-weight: 600;
        font-size: 14px;
        color: var(--c-primary-orange);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .event-card-link .arrow {
        transition: transform var(--transition-fast);
    }
    .event-card-link:hover {
        color: var(--c-accent-pink);
    }
    .event-card-link:hover .arrow {
        transform: translateX(4px);
    }

    @media (max-width: 960px) {
        .event-card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 640px) {
        .event-card-grid {
            grid-template-columns: 1fr;
        }
    }

    .timeline {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
        position: relative;
        padding-left: 28px;
    }
    .timeline::before {
        content: '';
        position: absolute;
        left: 10px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(180deg, var(--c-primary-orange), var(--c-secondary-cyan), var(--c-accent-pink));
        border-radius: 2px;
    }
    .timeline-item {
        position: relative;
        background: var(--c-bg-white);
        border-radius: var(--radius-md);
        padding: var(--space-md);
        border: 1px solid var(--c-border-light);
        box-shadow: 0 2px 10px var(--c-shadow-dark);
        transition: all var(--transition-base);
    }
    .timeline-item:hover {
        box-shadow: 0 6px 20px var(--c-shadow-dark);
        border-color: rgba(34, 211, 238, 0.4);
    }
    .timeline-item::before {
        content: '';
        position: absolute;
        left: -22px;
        top: 24px;
        width: 14px;
        height: 14px;
        border-radius: 50%;
        background: var(--c-primary-orange);
        border: 3px solid var(--c-bg-light);
        box-shadow: 0 0 0 3px var(--c-primary-orange);
    }
    .timeline-item-date {
        font-size: 13px;
        font-weight: 600;
        color: var(--c-secondary-cyan);
        margin-bottom: 4px;
    }
    .timeline-item-title {
        font-family: var(--font-title);
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--c-text-dark);
    }
    .timeline-item-desc {
        font-size: 14px;
        color: var(--c-text-muted-dark);
        line-height: 1.7;
    }

    .guide-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-md);
        counter-reset: step;
    }
    .guide-step {
        background: var(--c-bg-white);
        border-radius: var(--radius-lg);
        padding: var(--space-md);
        border: 1px solid var(--c-border-light);
        box-shadow: 0 4px 14px var(--c-shadow-dark);
        position: relative;
        counter-increment: step;
        transition: all var(--transition-base);
    }
    .guide-step:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 28px var(--c-shadow-dark);
    }
    .guide-step::before {
        content: counter(step);
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, var(--c-primary-orange), var(--c-accent-pink));
        color: #fff;
        font-weight: 700;
        font-size: 16px;
        border-radius: 50%;
        margin-bottom: var(--space-sm);
    }
    .guide-step-title {
        font-family: var(--font-title);
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--c-text-dark);
    }
    .guide-step-desc {
        font-size: 14px;
        color: var(--c-text-muted-dark);
        line-height: 1.7;
    }

    @media (max-width: 960px) {
        .guide-steps {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 520px) {
        .guide-steps {
            grid-template-columns: 1fr;
        }
    }

    .rules-list {
        background: var(--c-bg-white);
        border-radius: var(--radius-lg);
        padding: var(--space-lg);
        border: 1px solid var(--c-border-light);
        box-shadow: 0 4px 16px var(--c-shadow-dark);
    }
    .rules-list h4 {
        font-family: var(--font-title);
        font-size: 20px;
        font-weight: 700;
        color: var(--c-text-dark);
        margin-bottom: var(--space-sm);
    }
    .rules-list ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    .rules-list li {
        padding-left: 24px;
        position: relative;
        font-size: 15px;
        line-height: 1.8;
        color: var(--c-text-dark);
    }
    .rules-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 10px;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--c-primary-orange);
        box-shadow: 0 0 0 3px rgba(255, 107, 26, 0.2);
    }

    .faq-list {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    .faq-item {
        background: var(--c-bg-white);
        border-radius: var(--radius-md);
        border: 1px solid var(--c-border-light);
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item:hover {
        border-color: rgba(34, 211, 238, 0.4);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-sm);
        padding: var(--space-md);
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        color: var(--c-text-dark);
        transition: all var(--transition-fast);
        background: none;
        width: 100%;
        text-align: left;
        border: none;
    }
    .faq-question:hover {
        color: var(--c-primary-orange);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(255, 107, 26, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        color: var(--c-primary-orange);
        transition: all var(--transition-base);
    }
    .faq-item.open .faq-question .faq-icon {
        transform: rotate(45deg);
        background: var(--c-primary-orange);
        color: #fff;
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 var(--space-md);
        font-size: 15px;
        color: var(--c-text-muted-dark);
        line-height: 1.8;
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        padding: 0 var(--space-md) var(--space-md);
    }

    .cta-section {
        background: linear-gradient(135deg, #1A0B2E 0%, #2D1154 100%);
        color: #fff;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 50% 50%, rgba(34, 211, 238, 0.12), transparent 60%);
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
    }
    .cta-section .section-title {
        color: #fff;
    }
    .cta-section .section-subtitle {
        color: var(--c-text-muted-light);
        margin-left: auto;
        margin-right: auto;
    }
    .cta-buttons {
        display: flex;
        gap: var(--space-sm);
        justify-content: center;
        flex-wrap: wrap;
    }

    .event-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--c-text-muted-dark);
        margin-bottom: var(--space-sm);
    }
    .event-breadcrumb a {
        color: var(--c-text-muted-dark);
        transition: color var(--transition-fast);
    }
    .event-breadcrumb a:hover {
        color: var(--c-primary-orange);
    }
    .event-breadcrumb .sep {
        color: #B8B0C9;
    }
    .event-breadcrumb .current {
        color: var(--c-primary-orange);
        font-weight: 600;
    }

    .brand-intro {
        background: var(--c-bg-white);
        border-radius: var(--radius-lg);
        padding: var(--space-lg);
        border: 1px solid var(--c-border-light);
        box-shadow: 0 4px 16px var(--c-shadow-dark);
        margin-top: var(--space-lg);
    }
    .brand-intro h4 {
        font-family: var(--font-title);
        font-size: 20px;
        font-weight: 700;
        color: var(--c-text-dark);
        margin-bottom: var(--space-sm);
    }
    .brand-intro p {
        font-size: 15px;
        line-height: 1.9;
        color: var(--c-text-muted-dark);
    }

    .site-footer {
        background: var(--c-bg-deep);
        color: var(--c-text-light);
        padding: var(--space-xl) 0 var(--space-md);
        border-top: 1px solid var(--c-border-dark);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: var(--space-xl);
        margin-bottom: var(--space-lg);
    }
    .footer-brand h3 {
        font-family: var(--font-title);
        font-size: 22px;
        font-weight: 700;
        margin-bottom: var(--space-sm);
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fff;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--c-text-muted-light);
        line-height: 1.8;
        max-width: 380px;
    }
    .footer-links h4 {
        font-family: var(--font-title);
        font-size: 16px;
        font-weight: 600;
        margin-bottom: var(--space-sm);
        color: #fff;
    }
    .footer-links ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-links a {
        color: var(--c-text-muted-light);
        font-size: 14px;
        transition: all var(--transition-fast);
    }
    .footer-links a:hover {
        color: var(--c-primary-orange-light);
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid var(--c-border-dark);
        padding-top: var(--space-md);
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    .footer-bottom-info {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-sm);
        font-size: 13px;
        color: var(--c-text-muted-light);
    }
    .footer-bottom-links {
        display: flex;
        gap: var(--space-md);
        font-size: 13px;
    }
    .footer-bottom-links a {
        color: var(--c-text-muted-light);
        transition: color var(--transition-fast);
    }
    .footer-bottom-links a:hover {
        color: var(--c-secondary-cyan);
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: var(--space-lg);
        }
        .footer-bottom-info {
            flex-direction: column;
            gap: 4px;
        }
    }

    @media (max-width: 520px) {
        .section {
            padding: 48px 0;
        }
        .section-title {
            font-size: 24px;
        }
        .section-subtitle {
            font-size: 15px;
        }
        .event-card-title {
            font-size: 17px;
        }
        .cta-buttons {
            flex-direction: column;
        }
        .cta-buttons .btn {
            width: 100%;
        }
    }