/* roulang page: index */
:root {
            --primary: #00D4AA;
            --primary-dark: #00b892;
            --primary-glow: rgba(0, 212, 170, 0.35);
            --secondary: #7A5CFF;
            --secondary-glow: rgba(122, 92, 255, 0.3);
            --accent: #FFB84D;
            --bg: #0D1117;
            --bg-secondary: #131A22;
            --card: #171E26;
            --border: rgba(255, 255, 255, 0.08);
            --text: #F5F7FA;
            --text-muted: #9AA5B1;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --container: 1200px;
            --section-pad: 80px 0;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); text-decoration: none; }
        button, input, select, textarea { font-family: var(--font-stack); font-size: 15px; }
        button { cursor: pointer; border: none; background: none; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
        .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; }

        /* Header / Navigation */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-top {
            display: flex; align-items: center; justify-content: space-between;
            padding: 12px 0; gap: 16px; flex-wrap: wrap;
        }
        .brand {
            font-size: 22px; font-weight: 700; color: var(--text);
            letter-spacing: 0.5px; white-space: nowrap;
            display: flex; align-items: center; gap: 8px;
        }
        .brand .brand-icon {
            width: 32px; height: 32px; border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex; align-items: center; justify-content: center;
            font-size: 15px; color: #fff; flex-shrink: 0;
        }
        .brand:hover { color: var(--primary); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .header-search {
            display: flex; align-items: center; gap: 8px;
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 6px 10px 6px 14px;
            min-width: 220px;
        }
        .header-search input {
            background: transparent; border: none; outline: none;
            color: var(--text); font-size: 14px; width: 100%;
        }
        .header-search input::placeholder { color: var(--text-muted); font-size: 13px; }
        .header-search button {
            background: var(--primary); color: #0D1117; font-weight: 600;
            padding: 6px 14px; border-radius: 6px; font-size: 13px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-search button:hover { background: var(--primary-dark); }
        .header-cta {
            background: var(--primary); color: #0D1117; font-weight: 700;
            padding: 8px 18px; border-radius: var(--radius-sm); font-size: 14px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .mobile-toggle {
            display: none; background: var(--card); border: 1px solid var(--border);
            color: var(--text); padding: 8px 12px; border-radius: 6px; font-size: 20px;
            line-height: 1;
        }

        .channel-nav {
            border-top: 1px solid var(--border);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.15) transparent;
        }
        .channel-nav::-webkit-scrollbar { height: 3px; }
        .channel-nav::-webkit-scrollbar-track { background: transparent; }
        .channel-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
        .channel-nav-inner {
            display: flex; align-items: center; gap: 4px;
            padding: 8px 0; white-space: nowrap; min-width: max-content;
        }
        .channel-nav a {
            display: inline-flex; align-items: center; gap: 4px;
            color: var(--text-muted); font-size: 14px; font-weight: 500;
            padding: 7px 14px; border-radius: 999px; transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
        .channel-nav a.active {
            color: #0D1117; background: var(--primary); font-weight: 600;
            box-shadow: 0 0 16px var(--primary-glow);
        }

        /* Section base */
        main { display: block; }
        section { padding: var(--section-pad); }
        .section-label {
            display: inline-block; font-size: 13px; font-weight: 600;
            color: var(--primary); letter-spacing: 0.6px; text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(22px, 3vw, 30px); font-weight: 700; line-height: 1.3;
            margin-bottom: 12px; color: var(--text);
        }
        .section-desc {
            color: var(--text-muted); font-size: 15px; max-width: 680px;
            margin-bottom: 32px; line-height: 1.8;
        }
        .section-head { margin-bottom: 40px; }
        .section-head.center { text-align: center; }
        .section-head.center .section-desc { margin-left: auto; margin-right: auto; }

        /* Buttons */
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            padding: 10px 22px; border-radius: var(--radius-sm); font-weight: 600;
            font-size: 14px; transition: var(--transition); border: 1px solid transparent;
            line-height: 1.5; text-align: center;
        }
        .btn:focus-visible { outline: 3px solid var(--primary-glow); outline-offset: 2px; }
        .btn-primary {
            background: var(--primary); color: #0D1117;
        }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px var(--primary-glow); color: #0D1117; }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            background: transparent; color: var(--secondary); border-color: var(--secondary);
        }
        .btn-secondary:hover { background: var(--secondary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px var(--secondary-glow); }
        .btn-ghost {
            background: transparent; color: var(--text); border-color: var(--border);
        }
        .btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: rgba(0, 212, 170, 0.06); }
        .btn-accent {
            background: var(--accent); color: #0D1117;
        }
        .btn-accent:hover { background: #ffc368; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255, 184, 77, 0.3); color: #0D1117; }
        .btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }
        .btn-lg { padding: 14px 30px; font-size: 16px; border-radius: var(--radius-md); }

        /* Hero */
        .hero {
            position: relative; padding: 80px 0 100px;
            background: var(--bg);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute; inset: 0; z-index: 0;
        }
        .hero-bg img {
            width: 100%; height: 100%; object-fit: cover;
            opacity: 0.35;
        }
        .hero-bg::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(13,17,23,0.55) 0%, rgba(13,17,23,0.85) 70%, var(--bg) 100%);
        }
        .hero .container { position: relative; z-index: 1; }
        .hero-content { max-width: 760px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: rgba(0, 212, 170, 0.12); border: 1px solid var(--primary-glow);
            color: var(--primary); font-size: 13px; font-weight: 600;
            padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
        }
        .hero-title {
            font-size: clamp(28px, 4.5vw, 42px); font-weight: 700; line-height: 1.25;
            margin-bottom: 16px; color: var(--text);
        }
        .hero-title .highlight { color: var(--primary); }
        .hero-subtitle {
            color: var(--text-muted); font-size: 16px; line-height: 1.85;
            margin-bottom: 24px; max-width: 620px;
        }
        .hero-search-row {
            display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap;
        }
        .hero-search-input {
            flex: 1; min-width: 200px; display: flex; align-items: center;
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 0 16px; gap: 8px;
            transition: var(--transition);
        }
        .hero-search-input:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-glow);
        }
        .hero-search-input input {
            background: transparent; border: none; outline: none;
            color: var(--text); font-size: 15px; height: 48px; width: 100%;
        }
        .hero-search-input input::placeholder { color: var(--text-muted); font-size: 14px; }
        .hero-search-input .search-icon { color: var(--text-muted); flex-shrink: 0; }
        .hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

        /* Hero coupon wall */
        .hero-coupon-wall {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
            margin-top: 48px;
        }
        .coupon-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 24px 20px;
            text-align: center; transition: var(--transition);
            position: relative;
        }
        .coupon-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .coupon-card.featured {
            border-color: var(--primary);
            box-shadow: 0 0 30px var(--primary-glow);
            transform: scale(1.04);
        }
        .coupon-card.featured:hover { transform: scale(1.04) translateY(-4px); }
        .coupon-tag {
            display: inline-block; font-size: 12px; font-weight: 600;
            color: var(--accent); background: rgba(255, 184, 77, 0.12);
            border-radius: 4px; padding: 2px 8px; margin-bottom: 10px;
        }
        .coupon-card .coupon-title {
            font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 6px;
        }
        .coupon-card .coupon-desc {
            font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px;
        }
        .coupon-btn {
            background: var(--primary); color: #0D1117; font-weight: 600;
            padding: 8px 18px; border-radius: 6px; font-size: 13px; transition: var(--transition);
            display: inline-block;
        }
        .coupon-btn:hover { background: var(--primary-dark); color: #0D1117; }

        /* Quick channel pills */
        .quick-channels {
            background: var(--bg-secondary);
            padding: 28px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.12) transparent;
        }
        .quick-channels::-webkit-scrollbar { height: 3px; }
        .quick-channels::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
        .quick-channels-inner {
            display: flex; gap: 10px; min-width: max-content; padding: 0 4px;
        }
        .quick-pill {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 500;
            color: var(--text-muted); background: var(--card);
            border: 1px solid var(--border); transition: var(--transition);
            cursor: pointer; white-space: nowrap;
        }
        .quick-pill:hover {
            color: var(--primary); border-color: var(--primary);
            background: rgba(0, 212, 170, 0.06);
        }
        .quick-pill .dot {
            width: 6px; height: 6px; border-radius: 50%;
            background: var(--primary); flex-shrink: 0;
        }

        /* Cards grid */
        .grid { display: grid; gap: 20px; }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .grid-4 { grid-template-columns: repeat(4, 1fr); }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }

        /* Service cards */
        .service-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 28px 24px;
            transition: var(--transition); position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .service-card .card-icon {
            width: 44px; height: 44px; border-radius: 12px;
            background: rgba(0, 212, 170, 0.1); display: flex; align-items: center; justify-content: center;
            font-size: 20px; margin-bottom: 16px; color: var(--primary);
        }
        .service-card .card-title {
            font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px;
        }
        .service-card .card-desc {
            font-size: 14px; color: var(--text-muted); line-height: 1.7;
        }

        /* Movie poster cards */
        .movie-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); overflow: hidden;
            transition: var(--transition);
        }
        .movie-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .movie-card .poster {
            aspect-ratio: 16/9; position: relative; overflow: hidden;
        }
        .movie-card .poster img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform 0.5s ease;
        }
        .movie-card:hover .poster img { transform: scale(1.05); }
        .movie-card .poster .badge {
            position: absolute; top: 12px; left: 12px;
            background: var(--accent); color: #0D1117; font-size: 12px; font-weight: 600;
            padding: 3px 10px; border-radius: 5px;
        }
        .movie-card .card-body { padding: 16px 18px; }
        .movie-card .card-title {
            font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px;
        }
        .movie-card .card-meta {
            display: flex; gap: 12px; font-size: 12px; color: var(--text-muted);
            margin-bottom: 8px; flex-wrap: wrap;
        }
        .movie-card .card-desc {
            font-size: 13px; color: var(--text-muted); line-height: 1.65;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }

        /* Stats bar */
        .stats-section { background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .stat-item .stat-number {
            font-size: 32px; font-weight: 700; color: var(--primary); margin-bottom: 4px;
        }
        .stat-item .stat-label { font-size: 14px; color: var(--text-muted); }

        /* Steps */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .step-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 24px 20px;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover { border-color: var(--secondary); transform: translateY(-3px); }
        .step-number {
            width: 36px; height: 36px; border-radius: 50%;
            background: var(--secondary); color: #fff; font-weight: 700;
            display: flex; align-items: center; justify-content: center;
            font-size: 16px; margin-bottom: 12px;
        }
        .step-card .step-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
        .step-card .step-desc { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

        /* Device scene cards */
        .device-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .device-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 24px; text-align: center;
            transition: var(--transition);
        }
        .device-card:hover { border-color: var(--primary); transform: translateY(-3px); }
        .device-card .device-icon {
            width: 48px; height: 48px; border-radius: 50%;
            background: rgba(0, 212, 170, 0.1); display: flex; align-items: center; justify-content: center;
            font-size: 22px; margin: 0 auto 12px; color: var(--primary);
        }
        .device-card .device-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
        .device-card .device-desc { font-size: 13px; color: var(--text-muted); }

        /* Horizontal scroll poster wall */
        .scroll-wall {
            overflow-x: auto; -webkit-overflow-scrolling: touch;
            scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.12) transparent;
            padding-bottom: 8px;
        }
        .scroll-wall::-webkit-scrollbar { height: 4px; }
        .scroll-wall::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
        .scroll-wall-inner {
            display: flex; gap: 16px; min-width: max-content; padding: 0 4px;
        }
        .scroll-poster {
            width: 220px; flex-shrink: 0;
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden;
            transition: var(--transition);
        }
        .scroll-poster:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
        .scroll-poster img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .scroll-poster .poster-body { padding: 12px 14px; }
        .scroll-poster .poster-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
        .scroll-poster .poster-meta { font-size: 12px; color: var(--text-muted); }

        /* CMS news list */
        .news-list { display: grid; gap: 16px; }
        .news-item {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 18px 20px;
            transition: var(--transition); display: flex; gap: 16px; align-items: flex-start;
        }
        .news-item:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-card); }
        .news-item .news-info { flex: 1; }
        .news-item .news-title {
            font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 4px;
            display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
        }
        .news-item .news-desc {
            font-size: 13px; color: var(--text-muted); line-height: 1.6;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
            margin-bottom: 6px;
        }
        .news-item .news-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-muted); flex-wrap: wrap; }
        .news-item .news-link {
            flex-shrink: 0; color: var(--primary); font-size: 14px; font-weight: 600;
            padding: 6px 12px; border: 1px solid var(--primary); border-radius: 6px;
            transition: var(--transition);
        }
        .news-item .news-link:hover { background: var(--primary); color: #0D1117; }
        .empty-state {
            text-align: center; padding: 40px 20px; color: var(--text-muted);
            font-size: 15px; background: var(--card); border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }

        /* Partner banner */
        .partner-banner {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 32px 28px;
            display: flex; align-items: center; justify-content: space-between;
            gap: 20px; flex-wrap: wrap;
        }
        .partner-banner .partner-text h3 {
            font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 6px;
        }
        .partner-banner .partner-text p {
            font-size: 14px; color: var(--text-muted); line-height: 1.65;
        }
        .partner-logos {
            display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
        }
        .partner-logo {
            padding: 10px 16px; background: var(--bg); border-radius: 8px;
            font-size: 13px; font-weight: 600; color: var(--text-muted);
            border: 1px solid var(--border);
        }

        /* FAQ */
        .faq-list { display: grid; gap: 12px; }
        .faq-item {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--secondary); }
        .faq-question {
            width: 100%; display: flex; align-items: center; justify-content: space-between;
            padding: 18px 22px; cursor: pointer; text-align: left;
            color: var(--text); font-size: 15px; font-weight: 600;
            transition: var(--transition); gap: 16px;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question .faq-icon {
            width: 24px; height: 24px; border-radius: 50%;
            background: rgba(0, 212, 170, 0.1); color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 18px; font-weight: 600; flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px 0 22px;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding-bottom: 18px; }
        .faq-item.open .faq-icon { transform: rotate(45deg); }
        .faq-answer p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

        /* Guarantee strip */
        .guarantee-strip {
            background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }
        .guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
        .guarantee-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
        .guarantee-item .g-icon {
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(0, 212, 170, 0.1); display: flex; align-items: center; justify-content: center;
            font-size: 18px; color: var(--primary);
        }
        .guarantee-item .g-title { font-size: 14px; font-weight: 700; color: var(--text); }
        .guarantee-item .g-desc { font-size: 12px; color: var(--text-muted); }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(122, 92, 255, 0.08));
            border-radius: var(--radius-xl); padding: 48px 36px;
            text-align: center; border: 1px solid var(--border);
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle at center, rgba(0, 212, 170, 0.05), transparent 60%);
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-size: clamp(22px, 3vw, 28px); font-weight: 700; color: var(--text);
            margin-bottom: 12px; position: relative;
        }
        .cta-section .cta-desc {
            color: var(--text-muted); font-size: 15px; margin-bottom: 24px;
            max-width: 500px; margin-left: auto; margin-right: auto; position: relative;
        }
        .cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; }
        .cta-form {
            display: flex; gap: 10px; max-width: 420px; margin: 20px auto 0;
            position: relative; flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1; min-width: 200px; background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 10px 14px; color: var(--text);
            outline: none; font-size: 14px; transition: var(--transition);
        }
        .cta-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
        .cta-form .btn { white-space: nowrap; }

        /* Reviews */
        .reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .review-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 24px;
            transition: var(--transition);
        }
        .review-card:hover { border-color: var(--accent); transform: translateY(-3px); }
        .review-stars { color: var(--accent); font-size: 16px; margin-bottom: 8px; letter-spacing: 2px; }
        .review-text {
            font-size: 14px; color: var(--text-muted); line-height: 1.7;
            margin-bottom: 12px;
        }
        .review-author { font-size: 13px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
        .review-author .avatar {
            width: 28px; height: 28px; border-radius: 50%;
            background: var(--secondary); display: flex; align-items: center; justify-content: center;
            font-size: 12px; color: #fff; font-weight: 700;
        }

        /* Copyright/access note */
        .access-note {
            padding: 40px 0;
        }
        .access-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 28px;
        }
        .access-card h3 {
            font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 16px;
        }
        .access-list { display: grid; gap: 10px; }
        .access-list li {
            font-size: 13px; color: var(--text-muted); line-height: 1.7;
            padding-left: 20px; position: relative; list-style: none;
        }
        .access-list li::before {
            content: ''; position: absolute; left: 0; top: 8px;
            width: 6px; height: 6px; border-radius: 50%;
            background: var(--primary);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand { font-size: 19px; margin-bottom: 10px; }
        .footer-brand p {
            font-size: 13px; color: var(--text-muted); line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px; font-weight: 700; color: var(--text);
            margin-bottom: 14px;
        }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul a {
            font-size: 13px; color: var(--text-muted); transition: var(--transition);
        }
        .footer-col ul a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px; text-align: center;
            font-size: 12px; color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary); }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-4, .device-grid, .steps-grid, .stats-grid, .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
            .hero-coupon-wall { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .grid-4, .device-grid, .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .guarantee-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
            .reviews-grid { grid-template-columns: 1fr; }
            .hero-coupon-wall { grid-template-columns: 1fr; gap: 12px; }
            .coupon-card.featured { transform: none; }
            .coupon-card.featured:hover { transform: translateY(-3px); }
            .header-top { gap: 10px; }
            .header-search { min-width: 100%; order: 3; }
            .header-cta { display: none; }
            .hero { padding: 60px 0 70px; }
            section { padding: 56px 0; }
            .section-head { margin-bottom: 28px; }
            .partner-banner { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .cta-section { padding: 36px 20px; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 24px; }
            .hero-search-row { flex-direction: column; }
            .hero-search-input { min-width: 100%; }
            .hero-cta-row { flex-direction: column; }
            .hero-cta-row .btn { width: 100%; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .stat-item .stat-number { font-size: 26px; }
            .guarantee-grid { grid-template-columns: 1fr; }
            .brand { font-size: 18px; }
            .channel-nav a { font-size: 13px; padding: 6px 12px; }
            .news-item { flex-direction: column; }
            .news-item .news-link { align-self: flex-start; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons .btn { width: 100%; }
            .cta-form { flex-direction: column; }
            .cta-form input { min-width: 100%; }
            .cta-form .btn { width: 100%; }
        }

/* roulang page: article */
:root {
            --primary: #00D4AA;
            --primary-dark: #00b892;
            --primary-glow: rgba(0, 212, 170, 0.35);
            --secondary: #7A5CFF;
            --secondary-glow: rgba(122, 92, 255, 0.3);
            --accent: #FFB84D;
            --bg: #0D1117;
            --bg-secondary: #131A22;
            --card: #171E26;
            --border: rgba(255, 255, 255, 0.08);
            --text: #F5F7FA;
            --text-muted: #9AA5B1;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --container: 1200px;
            --section-pad: 80px 0;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); text-decoration: none; }
        button, input, select, textarea { font-family: var(--font-stack); font-size: 15px; }
        button { cursor: pointer; border: none; background: none; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

        /* Header / Navigation */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-top {
            display: flex; align-items: center; justify-content: space-between;
            padding: 12px 0; gap: 16px; flex-wrap: wrap;
        }
        .brand {
            font-size: 22px; font-weight: 700; color: var(--text);
            letter-spacing: 0.5px; white-space: nowrap;
            display: flex; align-items: center; gap: 8px;
        }
        .brand .brand-icon {
            width: 32px; height: 32px; border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex; align-items: center; justify-content: center;
            font-size: 15px; color: #fff; flex-shrink: 0;
        }
        .brand:hover { color: var(--primary); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .header-search {
            display: flex; align-items: center; gap: 8px;
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 6px 10px 6px 14px;
            min-width: 220px;
        }
        .header-search input {
            background: transparent; border: none; outline: none;
            color: var(--text); font-size: 14px; width: 100%;
        }
        .header-search input::placeholder { color: var(--text-muted); font-size: 13px; }
        .header-search button {
            background: var(--primary); color: #0D1117; font-weight: 600;
            padding: 6px 14px; border-radius: 6px; font-size: 13px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-search button:hover { background: var(--primary-dark); }
        .header-cta {
            background: var(--primary); color: #0D1117; font-weight: 700;
            padding: 8px 18px; border-radius: var(--radius-sm); font-size: 14px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .mobile-toggle {
            display: none; background: var(--card); border: 1px solid var(--border);
            color: var(--text); padding: 8px 12px; border-radius: 6px; font-size: 20px;
            line-height: 1;
        }
        .channel-nav {
            border-top: 1px solid var(--border);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.15) transparent;
        }
        .channel-nav::-webkit-scrollbar { height: 3px; }
        .channel-nav::-webkit-scrollbar-track { background: transparent; }
        .channel-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
        .channel-nav-inner {
            display: flex; align-items: center; gap: 4px;
            padding: 8px 0; white-space: nowrap; min-width: max-content;
        }
        .channel-nav a {
            display: inline-flex; align-items: center; gap: 4px;
            color: var(--text-muted); font-size: 14px; font-weight: 500;
            padding: 7px 14px; border-radius: 999px; transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
        .channel-nav a.active {
            color: #0D1117; background: var(--primary); font-weight: 600;
            box-shadow: 0 0 16px var(--primary-glow);
        }

        /* Section base */
        main { display: block; }
        section { padding: var(--section-pad); }
        .section-label {
            display: inline-block; font-size: 13px; font-weight: 600;
            color: var(--primary); letter-spacing: 0.6px; text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(22px, 3vw, 30px); font-weight: 700; line-height: 1.3;
            margin-bottom: 12px; color: var(--text);
        }
        .section-desc {
            color: var(--text-muted); font-size: 15px; max-width: 680px;
            margin-bottom: 32px; line-height: 1.8;
        }
        .section-head { margin-bottom: 40px; }

        /* Article page specific */
        .article-page { padding: 40px 0 80px; }
        .breadcrumb {
            display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
            font-size: 13px; color: var(--text-muted); margin-bottom: 24px;
        }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--text-muted); opacity: 0.6; }
        .breadcrumb .current { color: var(--primary); font-weight: 500; }

        .article-header {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 40px;
            margin-bottom: 32px; position: relative; overflow: hidden;
        }
        .article-header::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
        }
        .article-title {
            font-size: clamp(24px, 4vw, 36px); font-weight: 700; line-height: 1.35;
            margin-bottom: 16px; color: var(--text);
        }
        .article-excerpt {
            color: var(--text-muted); font-size: 16px; line-height: 1.8;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
            font-size: 13px; color: var(--text-muted);
        }
        .article-meta .meta-item {
            display: inline-flex; align-items: center; gap: 6px;
        }
        .article-meta .meta-item .icon { font-size: 14px; }
        .article-category-tag {
            background: var(--secondary); color: #fff; font-size: 12px; font-weight: 600;
            padding: 3px 12px; border-radius: 999px; letter-spacing: 0.4px;
            display: inline-block;
        }
        .article-reads {
            background: rgba(255,184,77,0.15); color: var(--accent);
            font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 999px;
            display: inline-flex; align-items: center; gap: 4px;
        }

        .article-cover {
            border-radius: var(--radius-md); overflow: hidden; margin-bottom: 32px;
            border: 1px solid var(--border);
        }
        .article-cover img { width: 100%; height: auto; }

        .article-body {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 40px;
            font-size: 16px; line-height: 1.9; color: var(--text);
        }
        .article-body p { margin-bottom: 20px; }
        .article-body h2 {
            font-size: 22px; font-weight: 700; color: var(--primary);
            margin: 32px 0 16px; line-height: 1.4;
        }
        .article-body h3 {
            font-size: 18px; font-weight: 600; color: var(--text);
            margin: 24px 0 12px;
        }
        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: rgba(0,212,170,0.06);
            padding: 16px 20px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted); font-style: normal;
        }
        .article-body ul, .article-body ol { padding-left: 24px; margin: 16px 0 20px; }
        .article-body li { margin-bottom: 8px; }
        .article-body img {
            border-radius: var(--radius-md); margin: 24px 0;
            border: 1px solid var(--border);
        }

        .article-empty {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 60px 40px; text-align: center;
        }
        .article-empty p { color: var(--text-muted); font-size: 16px; margin-bottom: 16px; }

        .article-footer-tags {
            display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
            padding: 24px 0; margin-top: 32px; border-top: 1px solid var(--border);
        }
        .article-footer-tags .tag-label {
            font-size: 13px; color: var(--text-muted); font-weight: 500;
        }
        .article-footer-tags .tag {
            background: var(--bg-secondary); color: var(--text-muted); font-size: 13px;
            padding: 5px 14px; border-radius: 999px; border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-footer-tags .tag:hover { color: var(--primary); border-color: var(--primary); }
        .article-share {
            margin-left: auto; display: flex; align-items: center; gap: 10px;
        }
        .article-share span { font-size: 13px; color: var(--text-muted); }
        .article-share a {
            width: 32px; height: 32px; border-radius: 50%;
            background: var(--bg-secondary); border: 1px solid var(--border);
            display: inline-flex; align-items: center; justify-content: center;
            font-size: 14px; color: var(--text-muted); transition: var(--transition);
        }
        .article-share a:hover {
            background: var(--primary); color: #0D1117; border-color: var(--primary);
            transform: translateY(-2px);
        }

        .related-section { padding: 48px 0; }
        .related-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
        }
        .related-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden;
            transition: var(--transition); display: flex; flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px); border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            aspect-ratio: 16/9; overflow: hidden; background: var(--bg-secondary);
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; }
        .related-card .card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
        .related-card .card-body h4 {
            font-size: 15px; font-weight: 600; margin-bottom: 8px;
            line-height: 1.5; color: var(--text);
        }
        .related-card .card-body p {
            font-size: 13px; color: var(--text-muted); line-height: 1.6;
            margin-bottom: 12px; flex: 1;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .related-card .card-meta {
            font-size: 12px; color: var(--text-muted);
            display: flex; justify-content: space-between; align-items: center;
        }
        .related-card .card-meta .read-more { color: var(--primary); font-weight: 500; }
        .related-card .card-meta .read-more:hover { color: var(--primary-dark); }

        .latest-list-section { padding: 48px 0; }
        .latest-list {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-lg); overflow: hidden;
        }
        .latest-list .list-item {
            display: flex; align-items: center; gap: 16px; padding: 16px 24px;
            border-bottom: 1px solid var(--border); transition: var(--transition);
        }
        .latest-list .list-item:last-child { border-bottom: none; }
        .latest-list .list-item:hover { background: rgba(255,255,255,0.03); }
        .latest-list .list-item .item-dot {
            width: 6px; height: 6px; border-radius: 50%; background: var(--primary);
            flex-shrink: 0; opacity: 0.7;
        }
        .latest-list .list-item .item-title {
            font-size: 14px; color: var(--text); flex: 1;
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .latest-list .list-item .item-title:hover { color: var(--primary); }
        .latest-list .list-item .item-date {
            font-size: 12px; color: var(--text-muted); flex-shrink: 0;
        }

        .back-entry-section { padding: 24px 0 48px; }
        .back-entry {
            display: flex; gap: 12px; flex-wrap: wrap;
        }
        .back-entry a {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 22px; border-radius: var(--radius-sm); font-size: 14px;
            font-weight: 600; transition: var(--transition);
        }
        .back-entry .back-home {
            background: var(--primary); color: #0D1117;
        }
        .back-entry .back-home:hover { background: var(--primary-dark); }
        .back-entry .back-prev {
            background: transparent; border: 1px solid var(--border); color: var(--text-muted);
        }
        .back-entry .back-prev:hover { border-color: var(--primary); color: var(--primary); }

        .article-cta-section { padding: 48px 0 80px; }
        .article-cta {
            background: linear-gradient(135deg, rgba(0,212,170,0.1), rgba(122,92,255,0.1));
            border: 1px solid var(--border); border-radius: var(--radius-lg);
            padding: 40px; text-align: center;
        }
        .article-cta h3 {
            font-size: 22px; font-weight: 700; margin-bottom: 12px; color: var(--text);
        }
        .article-cta p {
            color: var(--text-muted); font-size: 15px; margin-bottom: 24px; max-width: 520px;
            margin-left: auto; margin-right: auto;
        }
        .article-cta .cta-form {
            display: flex; gap: 10px; max-width: 440px; margin: 0 auto;
        }
        .article-cta .cta-form input {
            flex: 1; background: var(--bg); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 10px 16px; color: var(--text);
            outline: none; font-size: 14px; transition: var(--transition);
        }
        .article-cta .cta-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
        .article-cta .cta-form button {
            background: var(--primary); color: #0D1117; font-weight: 700;
            padding: 10px 22px; border-radius: var(--radius-sm); font-size: 14px;
            transition: var(--transition); white-space: nowrap;
        }
        .article-cta .cta-form button:hover { background: var(--primary-dark); }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary); border-top: 1px solid var(--border);
            padding: 48px 0 24px; margin-top: 40px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand {
            font-size: 18px; font-weight: 700; color: var(--text);
            display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
        }
        .footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
        .footer-col h4 {
            font-size: 14px; font-weight: 600; color: var(--text);
            margin-bottom: 12px;
        }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            font-size: 13px; color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid var(--border); padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p { font-size: 12px; color: var(--text-muted); }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-header { padding: 28px; }
            .article-body { padding: 28px; }
        }
        @media (max-width: 768px) {
            section { padding: 48px 0; }
            .header-search { min-width: 140px; }
            .header-cta { padding: 6px 12px; font-size: 13px; }
            .brand { font-size: 18px; }
            .brand .brand-icon { width: 26px; height: 26px; font-size: 12px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-header { padding: 20px; }
            .article-body { padding: 20px; font-size: 15px; }
            .article-cta { padding: 28px 20px; }
            .article-cta .cta-form { flex-direction: column; }
            .article-cta .cta-form button { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .article-footer-tags { flex-direction: column; align-items: flex-start; }
            .article-share { margin-left: 0; }
        }
        @media (max-width: 520px) {
            .header-top { flex-wrap: wrap; }
            .header-search { min-width: 100%; order: 3; }
            .article-title { font-size: 22px; }
            .article-meta { gap: 10px; }
            .related-grid { grid-template-columns: 1fr; }
            .latest-list .list-item { padding: 12px 16px; }
            .back-entry a { width: 100%; justify-content: center; }
        }

/* roulang page: category1 */
:root {
            --primary: #00D4AA;
            --primary-dark: #00b892;
            --primary-glow: rgba(0, 212, 170, 0.35);
            --secondary: #7A5CFF;
            --secondary-glow: rgba(122, 92, 255, 0.3);
            --accent: #FFB84D;
            --bg: #0D1117;
            --bg-secondary: #131A22;
            --card: #171E26;
            --border: rgba(255, 255, 255, 0.08);
            --text: #F5F7FA;
            --text-muted: #9AA5B1;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --container: 1200px;
            --section-pad: 80px 0;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); text-decoration: none; }
        button, input, select, textarea { font-family: var(--font-stack); font-size: 15px; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

        /* Header */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-top {
            display: flex; align-items: center; justify-content: space-between;
            padding: 12px 0; gap: 16px; flex-wrap: wrap;
        }
        .brand {
            font-size: 22px; font-weight: 700; color: var(--text);
            letter-spacing: 0.5px; white-space: nowrap;
            display: flex; align-items: center; gap: 8px;
        }
        .brand .brand-icon {
            width: 32px; height: 32px; border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex; align-items: center; justify-content: center;
            font-size: 15px; color: #fff; flex-shrink: 0;
        }
        .brand:hover { color: var(--primary); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .header-search {
            display: flex; align-items: center; gap: 8px;
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 6px 10px 6px 14px;
            min-width: 220px;
        }
        .header-search input {
            background: transparent; border: none; outline: none;
            color: var(--text); font-size: 14px; width: 100%;
        }
        .header-search input::placeholder { color: var(--text-muted); font-size: 13px; }
        .header-search button {
            background: var(--primary); color: #0D1117; font-weight: 600;
            padding: 6px 14px; border-radius: 6px; font-size: 13px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-search button:hover { background: var(--primary-dark); }
        .header-cta {
            background: var(--primary); color: #0D1117; font-weight: 700;
            padding: 8px 18px; border-radius: var(--radius-sm); font-size: 14px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .mobile-toggle {
            display: none; background: var(--card); border: 1px solid var(--border);
            color: var(--text); padding: 8px 12px; border-radius: 6px; font-size: 20px;
            line-height: 1;
        }
        .channel-nav {
            border-top: 1px solid var(--border);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.15) transparent;
        }
        .channel-nav::-webkit-scrollbar { height: 3px; }
        .channel-nav::-webkit-scrollbar-track { background: transparent; }
        .channel-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
        .channel-nav-inner {
            display: flex; align-items: center; gap: 4px;
            padding: 8px 0; white-space: nowrap; min-width: max-content;
        }
        .channel-nav a {
            display: inline-flex; align-items: center; gap: 4px;
            color: var(--text-muted); font-size: 14px; font-weight: 500;
            padding: 7px 14px; border-radius: 999px; transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
        .channel-nav a.active {
            color: #0D1117; background: var(--primary); font-weight: 600;
            box-shadow: 0 0 16px var(--primary-glow);
        }

        /* Section base */
        main { display: block; }
        section { padding: var(--section-pad); }
        .section-label {
            display: inline-block; font-size: 13px; font-weight: 600;
            color: var(--primary); letter-spacing: 0.6px; text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(22px, 3vw, 30px); font-weight: 700; line-height: 1.3;
            margin-bottom: 12px; color: var(--text);
        }
        .section-desc {
            color: var(--text-muted); font-size: 15px; max-width: 680px;
            margin-bottom: 32px; line-height: 1.8;
        }
        .section-head { margin-bottom: 40px; }

        /* Category banner */
        .category-banner {
            position: relative;
            padding: 64px 0 56px;
            background: linear-gradient(135deg, rgba(0, 212, 170, 0.12), rgba(122, 92, 255, 0.08)), var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .category-banner::before {
            content: "";
            position: absolute; inset: 0;
            background: url('/assets/images/532b2738216cf8e6.webp') center / cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .category-banner .container { position: relative; z-index: 1; }
        .breadcrumb {
            display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
            font-size: 13px; color: var(--text-muted); margin-bottom: 18px;
        }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { opacity: 0.5; }
        .breadcrumb .current { color: var(--primary); font-weight: 500; }
        .category-banner h1 {
            font-size: clamp(26px, 4vw, 38px); font-weight: 700; line-height: 1.25;
            margin-bottom: 14px; color: var(--text);
        }
        .category-banner h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner .banner-desc {
            color: var(--text-muted); font-size: 15px; max-width: 720px;
            line-height: 1.8; margin-bottom: 24px;
        }
        .filter-bar {
            display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
        }
        .filter-group {
            display: flex; align-items: center; gap: 6px;
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 5px 10px;
        }
        .filter-group label { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
        .filter-group select {
            background: transparent; border: none; outline: none;
            color: var(--text); font-size: 13px; padding: 3px 6px;
            cursor: pointer; appearance: none; -webkit-appearance: none;
        }
        .filter-group select option { background: var(--card); color: var(--text); }
        .filter-btn {
            background: var(--primary); color: #0D1117; font-weight: 600;
            padding: 7px 18px; border-radius: var(--radius-sm); font-size: 13px;
            transition: var(--transition); white-space: nowrap;
        }
        .filter-btn:hover { background: var(--primary-dark); }

        /* Movie grid */
        .movie-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
        }
        .movie-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden;
            transition: var(--transition); display: flex; flex-direction: column;
        }
        .movie-card:hover {
            transform: translateY(-4px); border-color: rgba(0, 212, 170, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .movie-card .card-img {
            position: relative; aspect-ratio: 16/9; overflow: hidden;
        }
        .movie-card .card-img img {
            width: 100%; height: 100%; object-fit: cover;
            transition: var(--transition);
        }
        .movie-card:hover .card-img img { transform: scale(1.05); }
        .movie-card .card-badge {
            position: absolute; top: 10px; left: 10px;
            background: var(--accent); color: #0D1117; font-size: 11px;
            font-weight: 600; padding: 3px 10px; border-radius: 999px;
            letter-spacing: 0.5px;
        }
        .movie-card .card-body {
            padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column;
        }
        .movie-card .card-title {
            font-size: 15px; font-weight: 600; color: var(--text);
            margin-bottom: 6px; line-height: 1.4;
        }
        .movie-card .card-excerpt {
            font-size: 13px; color: var(--text-muted); line-height: 1.6;
            flex: 1; margin-bottom: 10px;
        }
        .movie-card .card-meta {
            display: flex; align-items: center; justify-content: space-between;
            font-size: 12px; color: var(--text-muted);
        }
        .movie-card .card-tag {
            color: var(--secondary); font-weight: 500;
        }

        /* Ranking */
        .ranking-list {
            display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
        }
        .rank-item {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 14px;
            transition: var(--transition); display: flex; flex-direction: column;
            gap: 8px;
        }
        .rank-item:hover {
            transform: translateY(-3px); border-color: rgba(122, 92, 255, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .rank-number {
            font-size: 24px; font-weight: 700; color: var(--accent);
            line-height: 1; display: flex; align-items: center; gap: 4px;
        }
        .rank-number .rank-label { font-size: 11px; color: var(--text-muted); font-weight: 400; }
        .rank-item .rank-title {
            font-size: 14px; font-weight: 600; color: var(--text);
            line-height: 1.35;
        }
        .rank-item .rank-meta {
            font-size: 12px; color: var(--text-muted);
        }

        /* Info cards */
        .info-cards {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
        }
        .info-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 24px 20px;
            transition: var(--transition);
        }
        .info-card:hover {
            border-color: rgba(0, 212, 170, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .info-card .info-icon {
            width: 44px; height: 44px; border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 212, 170, 0.2), rgba(122, 92, 255, 0.15));
            display: flex; align-items: center; justify-content: center;
            font-size: 20px; margin-bottom: 14px;
        }
        .info-card h3 {
            font-size: 17px; font-weight: 600; color: var(--text);
            margin-bottom: 8px;
        }
        .info-card p {
            font-size: 14px; color: var(--text-muted); line-height: 1.7;
        }

        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); margin-bottom: 12px;
            overflow: hidden; transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(0, 212, 170, 0.3); }
        .faq-question {
            width: 100%; display: flex; align-items: center; justify-content: space-between;
            padding: 18px 20px; cursor: pointer; color: var(--text);
            font-size: 15px; font-weight: 600; text-align: left;
            transition: var(--transition); gap: 12px;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question .faq-icon {
            width: 24px; height: 24px; border-radius: 50%;
            background: rgba(0, 212, 170, 0.15); color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 14px; flex-shrink: 0; transition: var(--transition);
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #0D1117; }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 18px; }
        .faq-answer p {
            color: var(--text-muted); font-size: 14px; line-height: 1.8;
        }

        /* Related categories */
        .related-cats {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
        }
        .related-cat-card {
            background: var(--card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 20px;
            transition: var(--transition); display: flex; flex-direction: column;
            gap: 8px; text-align: center;
        }
        .related-cat-card:hover {
            border-color: rgba(0, 212, 170, 0.5);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .related-cat-card .cat-icon {
            font-size: 28px; margin-bottom: 4px;
        }
        .related-cat-card h3 {
            font-size: 15px; font-weight: 600; color: var(--text);
        }
        .related-cat-card p {
            font-size: 12px; color: var(--text-muted); line-height: 1.5;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 212, 170, 0.12), rgba(122, 92, 255, 0.15));
            border: 1px solid rgba(0, 212, 170, 0.3);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: clamp(20px, 3vw, 26px); font-weight: 700;
            margin-bottom: 12px; color: var(--text);
        }
        .cta-section p {
            color: var(--text-muted); font-size: 14px; margin-bottom: 24px;
        }
        .cta-buttons {
            display: flex; align-items: center; justify-content: center;
            gap: 12px; flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--primary); color: #0D1117; font-weight: 700;
            padding: 12px 28px; border-radius: var(--radius-sm); font-size: 15px;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 6px;
        }
        .btn-primary:hover {
            background: var(--primary-dark); transform: translateY(-2px);
            box-shadow: 0 8px 24px var(--primary-glow);
        }
        .btn-secondary {
            background: transparent; color: var(--secondary); font-weight: 600;
            padding: 11px 26px; border-radius: var(--radius-sm); font-size: 15px;
            border: 1px solid var(--secondary); transition: var(--transition);
            display: inline-flex; align-items: center; gap: 6px;
        }
        .btn-secondary:hover {
            background: rgba(122, 92, 255, 0.15);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent; color: var(--text-muted); font-weight: 500;
            padding: 10px 22px; border-radius: var(--radius-sm); font-size: 14px;
            border: 1px solid var(--border); transition: var(--transition);
            display: inline-flex; align-items: center; gap: 6px;
        }
        .btn-ghost:hover {
            color: var(--text); border-color: rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.04);
        }

        /* Subscription form */
        .subscription-form {
            display: flex; align-items: center; justify-content: center;
            gap: 10px; flex-wrap: wrap; margin-top: 20px;
        }
        .subscription-form input {
            background: var(--bg-secondary); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 11px 16px;
            color: var(--text); font-size: 14px; min-width: 280px;
            outline: none; transition: var(--transition);
        }
        .subscription-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
        }
        .subscription-form input::placeholder { color: var(--text-muted); font-size: 13px; }
        .subscription-form button {
            background: var(--primary); color: #0D1117; font-weight: 600;
            padding: 11px 22px; border-radius: var(--radius-sm); font-size: 14px;
            transition: var(--transition); white-space: nowrap;
        }
        .subscription-form button:hover { background: var(--primary-dark); }

        /* Empty state */
        .empty-state {
            text-align: center; padding: 48px 24px;
            background: var(--card); border: 1px dashed var(--border);
            border-radius: var(--radius-md); color: var(--text-muted);
            font-size: 15px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary); border-top: 1px solid var(--border);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px; padding-bottom: 40px;
        }
        .footer-brand .brand {
            font-size: 18px; font-weight: 600; color: var(--text);
            margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
        }
        .footer-brand p {
            font-size: 13px; color: var(--text-muted); line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 14px; font-weight: 600; color: var(--text);
            margin-bottom: 14px; letter-spacing: 0.5px;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            font-size: 13px; color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 16px 0; text-align: center;
            font-size: 12px; color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .movie-grid { grid-template-columns: repeat(3, 1fr); }
            .ranking-list { grid-template-columns: repeat(3, 1fr); }
            .info-cards { grid-template-columns: repeat(2, 1fr); }
            .related-cats { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            section { padding: 48px 0; }
            :root { --section-pad: 48px 0; }
            .header-top { gap: 10px; }
            .header-search { min-width: 150px; }
            .header-cta { padding: 7px 14px; font-size: 13px; }
            .movie-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .ranking-list { grid-template-columns: repeat(2, 1fr); gap: 10px; }
            .info-cards { grid-template-columns: 1fr; }
            .related-cats { grid-template-columns: repeat(2, 1fr); }
            .category-banner { padding: 48px 0 40px; }
            .cta-section { padding: 32px 22px; }
            .subscription-form input { min-width: 100%; }
        }
        @media (max-width: 520px) {
            .header-top { flex-wrap: wrap; }
            .header-search { order: 3; width: 100%; min-width: auto; }
            .mobile-toggle { display: block; }
            .movie-grid { grid-template-columns: 1fr; gap: 12px; }
            .ranking-list { grid-template-columns: 1fr; }
            .related-cats { grid-template-columns: 1fr; }
            .filter-bar { flex-direction: column; align-items: stretch; }
            .filter-group { justify-content: space-between; }
            .cta-section { padding: 26px 16px; }
            .section-title { font-size: 20px; }
            .category-banner h1 { font-size: 22px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
        }