/* roulang page: index */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1120;
            --panel: rgba(17, 28, 50, 0.52);
            --panel-solid: #0F1A2E;
            --primary: #3C8CFF;
            --secondary: #29D9FF;
            --highlight: #EAF6FF;
            --text: #E8F1FF;
            --text-dim: #9AB3D6;
            --text-mute: #6C7F99;
            --border: rgba(68, 160, 255, 0.18);
            --border-bright: rgba(68, 160, 255, 0.45);
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 18px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-glow: 0 0 16px rgba(41, 217, 255, 0.45), 0 0 36px rgba(47, 143, 255, 0.25);
            --shadow-glow-strong: 0 0 20px rgba(41, 217, 255, 0.6), 0 0 48px rgba(47, 143, 255, 0.35);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Oswald', 'DIN Alternate', 'Bebas Neue', 'Roboto Condensed', sans-serif;
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container: 1200px;
            --section-pad: 84px;
        }

        *, *::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);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus-visible {
            color: var(--highlight);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        input {
            font-family: var(--font-body);
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 10px rgba(41, 217, 255, 0.7);
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            line-height: 1.35;
            color: var(--highlight);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-dim);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .glass-card {
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .glass-card:hover {
            border-color: var(--border-bright);
            transform: translateY(-4px);
            box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42), 0 0 20px rgba(41, 217, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2F8FFF 0%, #29D9FF 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            padding: 13px 28px;
            box-shadow: var(--shadow-glow);
            transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
            letter-spacing: 0.03em;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-strong);
            color: #fff;
            filter: brightness(1.08);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
            filter: brightness(0.95);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(17, 28, 50, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border);
            color: var(--text);
            font-weight: 500;
            font-size: 14px;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-ghost:hover {
            border-color: var(--border-bright);
            box-shadow: 0 0 14px rgba(41, 217, 255, 0.18);
            color: var(--highlight);
            transform: translateY(-1px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            color: var(--secondary);
            background: rgba(41, 217, 255, 0.1);
            border: 1px solid rgba(41, 217, 255, 0.28);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            line-height: 1.5;
            letter-spacing: 0.04em;
        }

        .badge-warm {
            color: #FFC857;
            background: rgba(255, 200, 87, 0.08);
            border-color: rgba(255, 200, 87, 0.28);
        }

        .badge-green {
            color: #6FE3A1;
            background: rgba(111, 227, 161, 0.08);
            border-color: rgba(111, 227, 161, 0.28);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-bright), transparent);
            margin: 0 auto;
            max-width: 900px;
            width: 100%;
            opacity: 0.6;
            border: none;
        }

        .rating-stars {
            color: #FFC857;
            font-size: 14px;
            letter-spacing: 2px;
        }

        .rating-stars .star-empty {
            color: var(--text-mute);
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            background: rgba(10, 15, 30, 0.88);
            backdrop-filter: blur(20px) saturate(160%);
            -webkit-backdrop-filter: blur(20px) saturate(160%);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.04em;
            white-space: nowrap;
            position: relative;
        }

        .logo-icon {
            width: 10px;
            height: 26px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--secondary), var(--primary));
            box-shadow: 0 0 14px rgba(41, 217, 255, 0.55);
            flex-shrink: 0;
        }

        .logo:hover {
            color: #fff;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dim);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            box-shadow: 0 0 8px rgba(41, 217, 255, 0.5);
            transition: width var(--transition);
        }

        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--highlight);
        }

        .main-nav a:hover::after,
        .main-nav a:focus-visible::after {
            width: 100%;
        }

        .main-nav a.active {
            color: var(--highlight);
        }

        .main-nav a.active::after {
            width: 100%;
        }

        .nav-cta {
            font-size: 13px;
            padding: 9px 18px;
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition);
        }

        .nav-burger:hover {
            border-color: var(--border-bright);
        }

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(24px) saturate(160%);
            -webkit-backdrop-filter: blur(24px) saturate(160%);
            border-bottom: 1px solid var(--border);
            padding: 20px 24px 32px;
            z-index: 99;
            flex-direction: column;
            gap: 8px;
            transform: translateY(-8px);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition);
        }

        .mobile-menu.open {
            display: flex;
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu a {
            font-size: 16px;
            color: var(--text-dim);
            padding: 12px 0;
            border-bottom: 1px solid rgba(68, 160, 255, 0.08);
            transition: color var(--transition), padding-left var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--highlight);
            padding-left: 8px;
        }

        .mobile-menu .btn-primary {
            margin-top: 16px;
        }

        /* ===== HERO ===== */
        .hero {
            min-height: 84vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/c4e4bebf0d4d85f7.jpg');
            background-size: cover;
            background-position: center;
            padding: 120px 0 100px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.9) 0%, rgba(10, 15, 30, 0.72) 45%, rgba(11, 17, 32, 0.55) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(60, 140, 255, 0.15) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-eyebrow {
            font-size: 13px;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-eyebrow::before {
            content: '';
            width: 36px;
            height: 1px;
            background: var(--secondary);
            box-shadow: 0 0 8px rgba(41, 217, 255, 0.5);
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(30px, 3.8vw, 44px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--highlight);
            letter-spacing: 0.02em;
            margin-bottom: 22px;
        }

        .hero h1 .accent {
            color: var(--secondary);
            text-shadow: 0 0 24px rgba(41, 217, 255, 0.4);
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-dim);
            line-height: 1.85;
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .hero-badge-card {
            background: var(--panel);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hero-badge-number {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--secondary);
            text-shadow: 0 0 18px rgba(41, 217, 255, 0.35);
            line-height: 1;
        }

        .hero-badge-text {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.5;
        }

        .hero-bottom-strip {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-top: 1px solid var(--border);
            background: rgba(10, 15, 30, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .hero-strip-item {
            padding: 16px 24px;
            text-align: center;
            border-right: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-dim);
        }

        .hero-strip-item:last-child {
            border-right: none;
        }

        .hero-strip-item strong {
            display: block;
            font-family: var(--font-num);
            font-size: 20px;
            color: var(--highlight);
            font-weight: 600;
            margin-bottom: 2px;
        }

        /* ===== SECTIONS GENERIC ===== */
        section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-2);
        }

        .section-alt-2 {
            background: rgba(12, 18, 34, 0.6);
        }

        .section-header {
            margin-bottom: 42px;
        }

        /* ===== PAIN ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .pain-card {
            padding: 26px 22px;
        }

        .pain-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(60, 140, 255, 0.12);
            border: 1px solid rgba(60, 140, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--secondary);
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.7;
        }

        /* ===== SOLUTION ===== */
        .solution-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .solution-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

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

        .solution-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 15, 30, 0.4) 0%, transparent 50%);
        }

        .solution-points {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .solution-point {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--panel);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: 14px;
            transition: border-color var(--transition), transform var(--transition);
        }

        .solution-point:hover {
            border-color: var(--border-bright);
            transform: translateX(4px);
        }

        .solution-point-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 10px rgba(41, 217, 255, 0.6);
            flex-shrink: 0;
            margin-top: 6px;
        }

        .solution-point h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 4px;
        }

        .solution-point p {
            font-size: 14px;
            color: var(--text-dim);
        }

        /* ===== STEPS ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .step-number {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: rgba(60, 140, 255, 0.25);
            line-height: 1;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .step-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.75;
        }

        /* ===== DATA NUMBERS ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            border-top: 1px solid var(--border);
            padding-top: 40px;
        }

        .data-item {
            text-align: center;
            padding: 10px;
        }

        .data-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: var(--secondary);
            text-shadow: 0 0 20px rgba(41, 217, 255, 0.28);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .data-unit {
            font-size: 14px;
            color: var(--text-mute);
            margin-top: 4px;
        }

        .data-label {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 6px;
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .testimonial-card {
            padding: 26px 24px;
        }

        .testimonial-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(60, 140, 255, 0.4), rgba(41, 217, 255, 0.25));
            border: 1px solid var(--border-bright);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--highlight);
            flex-shrink: 0;
        }

        .testimonial-card blockquote {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.75;
            font-style: normal;
            border-left: 2px solid var(--border-bright);
            padding-left: 14px;
            margin-bottom: 12px;
        }

        .testimonial-meta {
            font-size: 12px;
            color: var(--text-mute);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== AUDIENCE ===== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .audience-tag {
            padding: 20px 16px;
            text-align: center;
            border-radius: var(--radius-card);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .audience-tag h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 6px;
        }

        .audience-tag p {
            font-size: 12px;
            color: var(--text-mute);
            line-height: 1.6;
        }

        /* ===== NEWS ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .news-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .news-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .news-img .badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }

        .news-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-body p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            font-size: 12px;
            color: var(--text-mute);
            display: flex;
            gap: 10px;
            align-items: center;
        }

        /* ===== METRICS ===== */
        .metrics-wrap {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 780px;
            margin: 0 auto;
        }

        .metric-row {
            display: grid;
            grid-template-columns: 180px 1fr 80px;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            border-bottom: 1px solid rgba(68, 160, 255, 0.1);
            transition: background var(--transition);
        }

        .metric-row:hover {
            background: rgba(17, 28, 50, 0.35);
        }

        .metric-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dim);
        }

        .metric-bar {
            height: 8px;
            background: rgba(68, 160, 255, 0.12);
            border-radius: 999px;
            overflow: hidden;
        }

        .metric-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            box-shadow: 0 0 12px rgba(41, 217, 255, 0.35);
            transition: width 0.5s ease;
        }

        .metric-value {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            text-align: right;
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: var(--panel);
            backdrop-filter: blur(22px) saturate(140%);
            -webkit-backdrop-filter: blur(22px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 48px 44px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(41, 217, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            color: var(--highlight);
            margin-bottom: 10px;
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--text-dim);
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-input {
            flex: 1;
            min-width: 200px;
            background: rgba(10, 15, 30, 0.6);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 18px;
            font-size: 14px;
            color: var(--text);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-input::placeholder {
            color: var(--text-mute);
        }

        .cta-input:focus {
            border-color: var(--border-bright);
            box-shadow: 0 0 14px rgba(41, 217, 255, 0.15);
            outline: none;
        }

        /* ===== MOVIE LIBRARY ENTRY ===== */
        .movies-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .movie-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .movie-card .movie-img {
            aspect-ratio: 2 / 3;
            overflow: hidden;
            position: relative;
        }

        .movie-card .movie-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .movie-quality-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(10, 15, 30, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-bright);
            border-radius: 6px;
            padding: 3px 8px;
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
        }

        .movie-card-info {
            padding: 14px 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .movie-card-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            line-height: 1.4;
        }

        .movie-card-meta {
            font-size: 12px;
            color: var(--text-mute);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .movie-card-meta .rating {
            color: #FFC857;
            font-weight: 500;
        }

        .movies-link-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 36px;
        }

        /* ===== QUALITY COMPARISON ===== */
        .quality-wrap {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 820px;
            margin: 0 auto;
        }

        .quality-item {
            display: grid;
            grid-template-columns: 150px 1fr;
            gap: 20px;
            padding: 22px 24px;
            border-radius: 14px;
            background: var(--panel);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            transition: border-color var(--transition), transform var(--transition);
        }

        .quality-item:hover {
            border-color: var(--border-bright);
            transform: translateY(-3px);
        }

        .quality-label {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            text-shadow: 0 0 14px rgba(41, 217, 255, 0.3);
            letter-spacing: 0.04em;
        }

        .quality-desc h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 4px;
        }

        .quality-desc p {
            font-size: 13px;
            color: var(--text-dim);
        }

        /* ===== DEVICES ===== */
        .devices-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }

        .device-card {
            padding: 28px 20px;
            text-align: center;
        }

        .device-icon {
            width: 58px;
            height: 58px;
            margin: 0 auto 16px;
            border-radius: 16px;
            background: rgba(60, 140, 255, 0.1);
            border: 1px solid rgba(60, 140, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--secondary);
            box-shadow: inset 0 0 18px rgba(41, 217, 255, 0.06);
        }

        .device-card h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 6px;
        }

        .device-card p {
            font-size: 12px;
            color: var(--text-mute);
            line-height: 1.6;
        }

        /* ===== UPDATE LIST ===== */
        .update-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .update-item {
            display: grid;
            grid-template-columns: 60px 1fr auto auto;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            border-radius: 14px;
            background: var(--panel);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            transition: border-color var(--transition), transform var(--transition);
        }

        .update-item:hover {
            border-color: var(--border-bright);
            transform: translateX(4px);
        }

        .update-rank {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: rgba(60, 140, 255, 0.4);
            line-height: 1;
        }

        .update-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .update-time {
            font-size: 12px;
            color: var(--text-mute);
            white-space: nowrap;
        }

        .update-tag {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(41, 217, 255, 0.1);
            border: 1px solid rgba(41, 217, 255, 0.28);
            color: var(--secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--panel);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item.open {
            border-color: var(--border-bright);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--highlight);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(41, 217, 255, 0.1);
            border: 1px solid rgba(41, 217, 255, 0.28);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 16px;
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(41, 217, 255, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer p {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.75;
        }

        /* ===== GUARANTEE ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-card {
            padding: 26px 22px;
            text-align: center;
        }

        .guarantee-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: rgba(60, 140, 255, 0.1);
            border: 1px solid rgba(60, 140, 255, 0.22);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--secondary);
        }

        .guarantee-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 6px;
        }

        .guarantee-card p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(7, 11, 20, 0.95);
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-mute);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-mute);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-mute);
        }

        .footer-bottom a {
            color: var(--text-dim);
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 64px;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero {
                min-height: auto;
                padding: 100px 0 80px;
            }

            .hero-side {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .hero-bottom-strip {
                position: static;
                grid-template-columns: repeat(2, 1fr);
                border-top: none;
                background: none;
                backdrop-filter: none;
                -webkit-backdrop-filter: none;
                gap: 10px;
            }

            .hero-strip-item {
                background: var(--panel);
                border: 1px solid var(--border);
                border-radius: 12px;
                padding: 14px 18px;
                text-align: left;
            }

            .hero-strip-item:last-child {
                border-right: 1px solid var(--border);
            }

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

            .solution-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .audience-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

            .devices-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 52px;
            }

            .container {
                padding: 0 18px;
            }

            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-burger {
                display: flex;
            }

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

            .hero {
                padding: 80px 0 60px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-side {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .hero-strip-item strong {
                font-size: 18px;
            }

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

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .data-number {
                font-size: 32px;
            }

            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .metric-row {
                grid-template-columns: 120px 1fr 60px;
                gap: 12px;
                padding: 12px 16px;
            }

            .metric-name {
                font-size: 12px;
            }

            .metric-value {
                font-size: 14px;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px 24px;
            }

            .cta-panel h2 {
                font-size: 22px;
            }

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

            .cta-input {
                min-width: 100%;
            }

            .movies-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .quality-item {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 18px 20px;
            }

            .quality-label {
                font-size: 20px;
            }

            .devices-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .update-item {
                grid-template-columns: 48px 1fr auto;
                gap: 12px;
                padding: 14px 16px;
            }

            .update-rank {
                font-size: 24px;
            }

            .update-time {
                display: none;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 44px;
            }

            .section-title {
                font-size: 22px;
            }

            .btn-primary {
                font-size: 14px;
                padding: 11px 22px;
            }

            .logo {
                font-size: 18px;
            }

            .hero {
                padding: 60px 0 44px;
            }

            .hero h1 {
                font-size: 24px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .data-number {
                font-size: 28px;
            }

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

            .step-card {
                padding: 20px 18px;
            }

            .step-number {
                font-size: 34px;
            }

            .metric-row {
                grid-template-columns: 1fr;
                gap: 6px;
                text-align: left;
            }

            .metric-name {
                font-size: 13px;
            }

            .metric-value {
                text-align: left;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1120;
            --panel: rgba(17, 28, 50, 0.52);
            --panel-solid: #0F1A2E;
            --primary: #3C8CFF;
            --secondary: #29D9FF;
            --highlight: #EAF6FF;
            --text: #E8F1FF;
            --text-dim: #9AB3D6;
            --text-mute: #6C7F99;
            --border: rgba(68, 160, 255, 0.18);
            --border-bright: rgba(68, 160, 255, 0.45);
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 18px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-glow: 0 0 16px rgba(41, 217, 255, 0.45), 0 0 36px rgba(47, 143, 255, 0.25);
            --shadow-glow-strong: 0 0 20px rgba(41, 217, 255, 0.6), 0 0 48px rgba(47, 143, 255, 0.35);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Oswald', 'DIN Alternate', 'Bebas Neue', 'Roboto Condensed', sans-serif;
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container: 1200px;
            --section-pad: 84px;
        }

        *,
        *::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);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus-visible {
            color: var(--highlight);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 10px rgba(41, 217, 255, 0.7);
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            line-height: 1.35;
            color: var(--highlight);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-dim);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .glass-card {
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .glass-card:hover {
            border-color: var(--border-bright);
            transform: translateY(-4px);
            box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42), 0 0 20px rgba(41, 217, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2F8FFF 0%, #29D9FF 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            padding: 13px 28px;
            box-shadow: var(--shadow-glow);
            transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
            letter-spacing: 0.03em;
            text-align: center;
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-strong);
            color: #fff;
            filter: brightness(1.08);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25);
            filter: brightness(0.95);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--highlight);
            font-weight: 500;
            font-size: 14px;
            border-radius: var(--radius-btn);
            padding: 11px 22px;
            border: 1px solid var(--border-bright);
            transition: all var(--transition);
            letter-spacing: 0.03em;
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--secondary);
            background: rgba(41, 217, 255, 0.08);
            box-shadow: 0 0 16px rgba(41, 217, 255, 0.2);
            color: var(--highlight);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.88);
            backdrop-filter: blur(20px) saturate(160%);
            -webkit-backdrop-filter: blur(20px) saturate(160%);
            border-bottom: 1px solid var(--border);
            height: 68px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--highlight);
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--highlight);
        }

        .logo-icon {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 10px rgba(41, 217, 255, 0.8), 0 0 22px rgba(41, 217, 255, 0.4);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            display: inline-block;
            padding: 6px 14px;
            color: var(--text-dim);
            font-size: 14px;
            font-weight: 500;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(41, 217, 255, 0.7);
            transition: width var(--transition);
        }

        .main-nav a:hover {
            color: var(--highlight);
            background: rgba(41, 217, 255, 0.05);
        }

        .main-nav a:hover::after {
            width: 60%;
        }

        .main-nav a.active {
            color: var(--secondary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            width: 80%;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #2F8FFF 0%, #29D9FF 100%);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            box-shadow: var(--shadow-glow);
            transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow-strong);
            color: #fff;
            filter: brightness(1.06);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(41, 217, 255, 0.08);
        }

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

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
            background: var(--secondary);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
            background: var(--secondary);
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(10, 15, 30, 0.96);
            backdrop-filter: blur(20px) saturate(160%);
            -webkit-backdrop-filter: blur(20px) saturate(160%);
            border-bottom: 1px solid var(--border);
            padding: 20px 24px;
            flex-direction: column;
            gap: 8px;
        }

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

        .mobile-nav-drawer a {
            display: block;
            padding: 12px 16px;
            color: var(--text-dim);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition);
        }

        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            background: rgba(41, 217, 255, 0.08);
            color: var(--secondary);
        }

        .mobile-nav-drawer .nav-cta {
            margin-top: 8px;
            justify-content: center;
            width: 100%;
        }

        /* Category H1 Section */
        .category-hero {
            background: linear-gradient(180deg, #0A0F1E 0%, #0F1A2E 55%, #0A0F1E 100%);
            position: relative;
            padding: 32px 0 28px;
            border-bottom: 1px solid var(--border);
            min-height: 140px;
            max-height: 260px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent 0%, var(--secondary) 30%, var(--primary) 50%, var(--secondary) 70%, transparent 100%);
            box-shadow: 0 0 20px rgba(41, 217, 255, 0.5);
        }

        .category-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }

        .category-hero .breadcrumb a {
            color: var(--text-dim);
            transition: color var(--transition);
        }

        .category-hero .breadcrumb a:hover {
            color: var(--secondary);
        }

        .category-hero .breadcrumb .separator {
            color: var(--text-mute);
            font-size: 11px;
        }

        .category-hero .breadcrumb .current {
            color: var(--secondary);
            font-weight: 500;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(26px, 3.6vw, 36px);
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.03em;
            line-height: 1.3;
            position: relative;
            z-index: 2;
            margin-bottom: 4px;
        }

        .category-hero h1 .accent {
            color: var(--secondary);
            text-shadow: 0 0 20px rgba(41, 217, 255, 0.4);
        }

        .category-hero .hero-desc {
            font-size: 14px;
            color: var(--text-dim);
            max-width: 560px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            background: rgba(11, 17, 32, 0.5);
            position: relative;
            z-index: 3;
        }

        .filter-toolbar .filter-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dim);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--border-bright);
            color: var(--highlight);
            background: rgba(41, 217, 255, 0.05);
        }

        .filter-tag.active {
            background: rgba(41, 217, 255, 0.12);
            border-color: var(--secondary);
            color: var(--secondary);
            box-shadow: 0 0 12px rgba(41, 217, 255, 0.2);
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-sort-label {
            font-size: 13px;
            color: var(--text-mute);
            margin-right: 4px;
        }

        .sort-btn {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 13px;
            color: var(--text-dim);
            background: transparent;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .sort-btn:hover {
            color: var(--highlight);
            background: rgba(41, 217, 255, 0.05);
        }

        .sort-btn.active {
            color: var(--secondary);
            font-weight: 600;
            background: rgba(41, 217, 255, 0.1);
        }

        /* Section general */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-alt {
            background: var(--bg-2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        /* Main List Grid */
        .film-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .film-card {
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .film-card:hover {
            border-color: var(--border-bright);
            transform: translateY(-4px);
            box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42), 0 0 20px rgba(41, 217, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .film-card .film-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #0F1A2E;
        }

        .film-card .film-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .film-card .film-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 15, 30, 0.85) 100%);
            pointer-events: none;
        }

        .film-card .film-thumb .badge-quality {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 5;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            background: rgba(41, 217, 255, 0.25);
            border: 1px solid rgba(41, 217, 255, 0.5);
            border-radius: var(--radius-pill);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .film-card .film-thumb .badge-rating {
            position: absolute;
            top: 10px;
            right: 10px;
            z-index: 5;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: rgba(10, 15, 30, 0.7);
            border: 1px solid rgba(68, 160, 255, 0.3);
            border-radius: var(--radius-pill);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .film-card .film-thumb .badge-rating i {
            color: #FFD700;
            font-size: 10px;
        }

        .film-card .film-info {
            padding: 16px 18px 18px;
        }

        .film-card .film-title {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            color: var(--highlight);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .film-card .film-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: var(--text-mute);
        }

        .film-card .film-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .film-card .film-meta .meta-item i {
            font-size: 11px;
            color: var(--text-mute);
        }

        .film-card .film-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 10px;
        }

        .film-card .film-tags .tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-dim);
            background: rgba(41, 217, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .film-card .film-tags .tag:hover {
            border-color: var(--border-bright);
            color: var(--secondary);
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 40px;
        }

        /* Horizontal Scroll Section */
        .scroll-row {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .scroll-row::-webkit-scrollbar {
            height: 6px;
        }

        .scroll-row::-webkit-scrollbar-track {
            background: rgba(17, 28, 50, 0.8);
            border-radius: 3px;
        }

        .scroll-row::-webkit-scrollbar-thumb {
            background: rgba(68, 160, 255, 0.35);
            border-radius: 3px;
        }

        .scroll-row::-webkit-scrollbar-thumb:hover {
            background: rgba(68, 160, 255, 0.55);
        }

        .scroll-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .scroll-card:hover {
            border-color: var(--border-bright);
            transform: translateY(-3px);
            box-shadow: 0 20px 44px rgba(0, 0, 0, 0.4), 0 0 18px rgba(41, 217, 255, 0.1);
        }

        .scroll-card .scroll-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #0F1A2E;
        }

        .scroll-card .scroll-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .scroll-card:hover .scroll-thumb img {
            transform: scale(1.04);
        }

        .scroll-card .scroll-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10, 15, 30, 0.8) 100%);
        }

        .scroll-card .scroll-info {
            padding: 14px 16px 16px;
        }

        .scroll-card .scroll-title {
            font-family: var(--font-display);
            font-size: 15px;
            font-weight: 700;
            color: var(--highlight);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .scroll-card .scroll-meta {
            display: flex;
            gap: 10px;
            font-size: 11px;
            color: var(--text-mute);
        }

        /* Top List */
        .top-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            counter-reset: top-counter;
        }

        .top-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: 0;
            transition: all var(--transition);
            counter-increment: top-counter;
        }

        .top-list-item:first-child {
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .top-list-item:last-child {
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        .top-list-item:hover {
            border-color: var(--border-bright);
            background: rgba(17, 28, 50, 0.7);
        }

        .top-list-item .rank-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 600;
            color: var(--text-mute);
            min-width: 48px;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .top-list-item:nth-child(1) .rank-num {
            color: #FFD700;
            text-shadow: 0 0 18px rgba(255, 215, 0, 0.5);
        }

        .top-list-item:nth-child(2) .rank-num {
            color: #C0C0C0;
            text-shadow: 0 0 14px rgba(192, 192, 192, 0.4);
        }

        .top-list-item:nth-child(3) .rank-num {
            color: #CD7F32;
            text-shadow: 0 0 12px rgba(205, 127, 50, 0.4);
        }

        .top-list-item .top-info {
            flex: 1;
            min-width: 0;
        }

        .top-list-item .top-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .top-list-item .top-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-mute);
            flex-wrap: wrap;
        }

        .top-list-item .badge-quality-sm {
            display: inline-block;
            padding: 2px 8px;
            font-size: 10px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(41, 217, 255, 0.1);
            border: 1px solid rgba(41, 217, 255, 0.3);
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .top-list-item .update-time {
            font-size: 11px;
            color: var(--text-mute);
            white-space: nowrap;
        }

        /* Watch Tips */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }

        .tip-card {
            padding: 20px 22px;
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .tip-card:hover {
            border-color: var(--border-bright);
            transform: translateY(-3px);
        }

        .tip-card .tip-icon {
            font-size: 22px;
            color: var(--secondary);
            margin-bottom: 12px;
            display: inline-block;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(41, 217, 255, 0.08);
            border-radius: 10px;
            border: 1px solid rgba(41, 217, 255, 0.2);
        }

        .tip-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 6px;
        }

        .tip-card p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.7;
        }

        /* Data Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-block {
            text-align: center;
            padding: 28px 18px;
            background: var(--panel);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .stat-block:hover {
            border-color: var(--border-bright);
            transform: translateY(-3px);
            box-shadow: 0 20px 44px rgba(0, 0, 0, 0.4), 0 0 18px rgba(41, 217, 255, 0.1);
        }

        .stat-block .stat-num {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 600;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 6px;
            text-shadow: 0 0 20px rgba(41, 217, 255, 0.3);
        }

        .stat-block .stat-label {
            font-size: 13px;
            color: var(--text-dim);
            font-weight: 500;
        }

        /* CTA Section */
        .cta-panel {
            background: rgba(17, 28, 50, 0.7);
            backdrop-filter: blur(20px) saturate(150%);
            -webkit-backdrop-filter: blur(20px) saturate(150%);
            border: 1px solid var(--border-bright);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card), 0 0 40px rgba(41, 217, 255, 0.08);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(41, 217, 255, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-family: var(--font-display);
            font-size: clamp(22px, 2.8vw, 30px);
            font-weight: 700;
            color: var(--highlight);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--text-dim);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }

        .cta-panel .btn-primary {
            position: relative;
            z-index: 2;
            font-size: 16px;
            padding: 15px 36px;
        }

        /* Footer */
        .site-footer {
            background: #070B16;
            border-top: 1px solid var(--border);
            padding: 52px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand .logo {
            font-size: 18px;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand p {
            font-size: 13px;
            color: var(--text-mute);
            line-height: 1.7;
            max-width: 280px;
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--highlight);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .site-footer .footer-col a:hover {
            color: var(--secondary);
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-mute);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 64px;
            }
            .film-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 52px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .category-hero {
                padding: 24px 0 20px;
                min-height: 120px;
                max-height: 200px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .filter-toolbar .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .film-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .scroll-card {
                flex: 0 0 240px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-block .stat-num {
                font-size: 28px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand {
                grid-column: auto;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 44px;
            }
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .hero-desc {
                font-size: 12px;
            }
            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }
            .film-card .film-title {
                font-size: 15px;
            }
            .top-list-item {
                padding: 10px 12px;
                gap: 10px;
            }
            .top-list-item .rank-num {
                font-size: 22px;
                min-width: 36px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-block {
                padding: 20px 12px;
            }
            .stat-block .stat-num {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .scroll-card {
                flex: 0 0 210px;
            }
            .cta-panel h2 {
                font-size: 20px;
            }
            .cta-panel p {
                font-size: 13px;
            }
        }