/* roulang page: index */
:root {
            --bg-main: #0D0E12;
            --bg-alt: #15101E;
            --bg-panel: #1C1826;
            --bg-panel-hover: #241D30;
            --primary: #E4296B;
            --primary-hover: #FF3D7F;
            --secondary: #00E5C7;
            --accent: #FFB400;
            --danger: #F53B57;
            --text-main: #F5F2ED;
            --text-muted: #A8A3B5;
            --border-glow: rgba(228, 41, 107, 0.25);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 14px 36px rgba(228, 41, 107, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --radius-img: 8px;
            --container-w: 1200px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Oswald", sans-serif;
            --fs-h1: 40px;
            --fs-h2: 28px;
            --fs-h3: 20px;
            --fs-body: 16px;
            --fs-summary: 14px;
            --fs-aux: 12px;
            --line-body: 1.8;
            --gap-card: 24px;
            --section-pad: 64px;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-main);
            color: var(--text-main);
            font-size: var(--fs-body);
            line-height: var(--line-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), opacity var(--transition);
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg-main);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-main);
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(228, 41, 107, 0.5);
        }

        .logo-icon::before {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-left: 9px solid #fff;
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
            margin-left: 2px;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-btn);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            transition: border-color var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 140px;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box .search-icon {
            color: var(--secondary);
            font-style: normal;
            font-weight: 700;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-main);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            height: 38px;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(228, 41, 107, 0.08);
        }

        .channel-row {
            background-color: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0 20px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            gap: 8px;
            align-items: center;
            height: 48px;
            min-width: max-content;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 14px;
            color: rgba(245, 242, 237, 0.75);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .channel-nav a:hover {
            color: var(--secondary);
            background: var(--bg-panel-hover);
        }

        .channel-nav a.active {
            background: var(--primary);
            color: #fff;
            border-bottom: 2px solid var(--secondary);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background: url('/assets/images/128600a54bdd6d8f.jpg') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 14, 18, 0.65) 0%, rgba(21, 16, 30, 0.85) 50%, rgba(13, 14, 18, 0.92) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-left {
            flex: 1 1 55%;
            max-width: 560px;
        }

        .hero-kicker {
            display: inline-block;
            background: rgba(228, 41, 107, 0.15);
            border: 1px solid var(--border-glow);
            color: var(--primary);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-left h1 {
            font-size: var(--fs-h1);
            line-height: 1.25;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .hero-left h1 .highlight {
            color: var(--primary);
            text-shadow: 0 0 20px rgba(228, 41, 107, 0.4);
        }

        .hero-sub {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 0 16px rgba(228, 41, 107, 0.5);
            transform: translateY(-2px);
        }

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

        .btn-secondary {
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            background: rgba(228, 41, 107, 0.1);
            color: var(--text-main);
            transform: translateY(-2px);
        }

        .hero-countdown {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .countdown-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
        }

        .countdown-box {
            display: flex;
            gap: 6px;
        }

        .countdown-item {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 6px;
            padding: 6px 10px;
            text-align: center;
            min-width: 44px;
        }

        .countdown-item .num {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            text-shadow: 0 0 10px rgba(0, 229, 199, 0.4);
        }

        .countdown-item .unit-label {
            font-size: 10px;
            color: var(--text-muted);
        }

        .hero-right {
            flex: 0 1 320px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-stat-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

        .hero-stat-card:hover {
            background: var(--bg-panel-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .hero-stat-card .stat-info {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-card .stat-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--secondary);
            text-shadow: 0 0 8px rgba(0, 229, 199, 0.3);
        }

        .hero-stat-card .stat-value.warm {
            color: var(--accent);
            text-shadow: 0 0 8px rgba(255, 180, 0, 0.3);
        }

        .hero-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .hero-stat-card .stat-trend {
            font-size: 20px;
            color: var(--secondary);
            font-weight: 700;
        }

        .hero-stat-card .stat-trend.down {
            color: var(--danger);
        }

        .hero-scroll-hint {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .hero-scroll-line {
            width: 1px;
            height: 50px;
            background: var(--secondary);
            box-shadow: 0 0 10px rgba(0, 229, 199, 0.6);
            animation: pulse-line 2s infinite;
        }

        .hero-scroll-hint span {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
        }

        @keyframes pulse-line {
            0%, 100% { opacity: 0.4; }
            50% { opacity: 1; height: 60px; }
        }

        /* ========== Sections Common ========== */
        .section {
            padding: var(--section-pad) 0;
        }

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

        .section-header {
            margin-bottom: 32px;
        }

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

        .section-header h2 {
            font-size: var(--fs-h2);
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.75;
        }

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

        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-card); }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
        .grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--gap-card); }

        /* ========== Section 2: Metrics ========== */
        .metric-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

        .metric-card:hover {
            background: var(--bg-panel-hover);
            transform: translateY(-4px);
            border-color: var(--border-glow);
        }

        .metric-card .metric-value {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-card .metric-value.mv-cyan { color: var(--secondary); text-shadow: 0 0 12px rgba(0, 229, 199, 0.3); }
        .metric-card .metric-value.mv-gold { color: var(--accent); text-shadow: 0 0 12px rgba(255, 180, 0, 0.3); }
        .metric-card .metric-value.mv-white { color: var(--text-main); }
        .metric-card .metric-value.mv-pink { color: var(--primary); text-shadow: 0 0 12px rgba(228, 41, 107, 0.3); }

        .metric-card .metric-label {
            font-size: var(--fs-summary);
            color: var(--text-muted);
        }

        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 8px;
            padding: 2px 10px;
            border-radius: var(--radius-badge);
        }

        .metric-trend.up { color: var(--secondary); background: rgba(0, 229, 199, 0.1); }
        .metric-trend.down { color: var(--danger); background: rgba(245, 59, 87, 0.12); }

        /* ========== Section 3: Channel Cards ========== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: var(--gap-card);
        }

        .channel-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 3/4;
            display: block;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .channel-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .channel-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .channel-card .channel-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(13, 14, 18, 0.7) 65%, rgba(13, 14, 18, 0.92) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 16px;
        }

        .channel-card .channel-name {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
        }

        .channel-card .channel-count {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== Section 4: Service Cards ========== */
        .service-card {
            background: var(--bg-alt);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all var(--transition);
        }

        .service-card:hover {
            background: var(--bg-panel-hover);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(228, 41, 107, 0.15);
            border: 1px solid var(--border-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .service-icon.play::before {
            content: '';
            border-left: 14px solid var(--primary);
            border-top: 8px solid transparent;
            border-bottom: 8px solid transparent;
            margin-left: 3px;
        }
        .service-icon.shield::before {
            content: '';
            width: 18px;
            height: 22px;
            background: var(--secondary);
            clip-path: polygon(50% 0, 100% 20%, 90% 80%, 50% 100%, 10% 80%, 0 20%);
        }
        .service-icon.screen::before {
            content: '';
            width: 24px;
            height: 16px;
            border: 2px solid var(--accent);
            border-radius: 3px;
        }
        .service-icon.download::before {
            content: '';
            width: 0;
            height: 0;
            border-left: 9px solid transparent;
            border-right: 9px solid transparent;
            border-top: 12px solid var(--primary);
        }

        .service-card h3 {
            font-size: var(--fs-h3);
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .service-card p {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== Section 5: Ranking Compare ========== */
        .ranking-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-card);
        }

        .ranking-panel {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 24px;
        }

        .ranking-panel h3 {
            font-size: var(--fs-h3);
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-main);
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-number {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            min-width: 36px;
            text-align: center;
            text-shadow: 0 0 8px rgba(255, 180, 0, 0.3);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 3px;
            margin-top: 6px;
            overflow: hidden;
        }

        .rank-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 3px;
            box-shadow: 0 0 8px rgba(228, 41, 107, 0.4);
            transition: width 0.8s ease;
        }

        .rank-heat {
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* ========== Section 6: Timeline ========== */
        .milestone-timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-card);
            padding-top: 30px;
        }

        .milestone-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
            border-radius: 2px;
        }

        .milestone-node {
            position: relative;
            text-align: center;
            padding-top: 24px;
        }

        .milestone-node::before {
            content: '';
            position: absolute;
            top: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 12px rgba(228, 41, 107, 0.7);
        }

        .milestone-year {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .milestone-node h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .milestone-node p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== Section 7: Featured Topics ========== */
        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 16/9;
            display: block;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 20%, rgba(13, 14, 18, 0.8) 60%, rgba(13, 14, 18, 0.95) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 16px;
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .topic-badge {
            display: inline-block;
            background: rgba(228, 41, 107, 0.85);
            color: #fff;
            font-size: 11px;
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            align-self: flex-start;
            margin-bottom: 8px;
        }

        /* ========== Section 8: News CMS ========== */
        .section-header-flex {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-header-flex h2 {
            font-size: var(--fs-h2);
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }

        .view-more {
            font-size: 14px;
            color: var(--secondary);
            font-weight: 600;
        }

        .view-more:hover {
            color: var(--secondary);
            text-shadow: 0 0 10px rgba(0, 229, 199, 0.4);
        }

        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-card);
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 14px;
            transition: all var(--transition);
        }

        .news-item:hover {
            background: var(--bg-panel-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .news-thumb {
            width: 90px;
            height: 120px;
            flex-shrink: 0;
            border-radius: 6px;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 6px;
        }

        .news-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-meta .tag {
            background: rgba(228, 41, 107, 0.12);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: var(--radius-badge);
            font-size: 11px;
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius-card);
            border: 1px dashed rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
        }

        .news-empty .empty-icon {
            font-size: 40px;
            margin-bottom: 12px;
            color: var(--text-muted);
        }

        /* ========== Section 9: Guarantee ========== */
        .guarantee-card {
            background: var(--bg-alt);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .guarantee-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(228, 41, 107, 0.12);
            border: 1px solid var(--border-glow);
        }

        .guarantee-icon.shield::before {
            content: '';
            width: 20px;
            height: 24px;
            background: var(--secondary);
            clip-path: polygon(50% 0, 100% 20%, 90% 80%, 50% 100%, 10% 80%, 0 20%);
        }
        .guarantee-icon.signal::before {
            content: '';
            width: 24px;
            height: 18px;
            border-left: 4px solid var(--accent);
            border-bottom: 4px solid var(--accent);
            border-radius: 4px;
            transform: skewX(-10deg);
        }
        .guarantee-icon.storage::before {
            content: '';
            width: 26px;
            height: 16px;
            background: var(--primary);
            border-radius: 3px;
            box-shadow: 0 6px 0 rgba(0, 229, 199, 0.4);
        }
        .guarantee-icon.clock::before {
            content: '';
            width: 20px;
            height: 20px;
            border: 3px solid var(--accent);
            border-radius: 50%;
            position: relative;
        }

        .guarantee-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

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

        /* ========== Section 10: Multi-device ========== */
        .multi-device-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .multi-device-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .multi-device-text p {
            font-size: var(--fs-body);
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .device-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .device-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 12px 16px;
            transition: all var(--transition);
        }

        .device-item:hover {
            border-color: var(--border-glow);
        }

        .device-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 8px rgba(0, 229, 199, 0.5);
        }

        .device-item strong {
            font-size: 15px;
            color: var(--text-main);
            min-width: 60px;
        }

        .device-item span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .device-preview {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .device-rect {
            background: var(--bg-panel);
            border: 1px solid var(--border-glow);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-muted);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .device-rect:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .device-tv {
            width: 260px;
            height: 160px;
        }

        .device-mobile {
            width: 80px;
            height: 160px;
        }

        .device-desktop {
            width: 200px;
            height: 120px;
        }

        /* ========== Section 11: Quick Answers ========== */
        .quick-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .quick-item {
            background: var(--bg-alt);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition);
        }

        .quick-item:hover {
            border-color: var(--border-glow);
        }

        .quick-item .q {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .quick-item .a {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== Section 12: FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-glow);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            font-weight: 300;
            transition: transform var(--transition);
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-item[open] {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(228, 41, 107, 0.15);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: var(--fs-body);
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== Section 13: Preview Scroll ========== */
        .preview-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            -webkit-overflow-scrolling: touch;
            scrollbar-color: var(--primary) transparent;
            scrollbar-width: thin;
        }

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

        .preview-scroll::-webkit-scrollbar-track {
            background: var(--bg-alt);
            border-radius: 3px;
        }

        .preview-scroll::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 3px;
        }

        .preview-card {
            flex: 0 0 220px;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .preview-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .preview-card .preview-cover {
            aspect-ratio: 3/4;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .preview-card .preview-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .preview-card .preview-info {
            padding: 12px 14px;
        }

        .preview-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .preview-card .preview-date {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
        }

        .preview-card .preview-tag {
            display: inline-block;
            background: rgba(228, 41, 107, 0.15);
            color: var(--primary);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-badge);
            margin-top: 6px;
        }

        /* ========== Section 14: Membership ========== */
        .member-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
            padding-top: 10px;
        }

        .member-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
        }

        .member-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
        }

        .member-card.recommended {
            border-color: var(--primary);
            box-shadow: 0 0 24px rgba(228, 41, 107, 0.2);
        }

        .member-badge {
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--accent);
            color: #1a1a1a;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
        }

        .member-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .member-price {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
        }

        .member-price span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 400;
        }

        .member-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }

        .member-benefits li {
            font-size: 13px;
            color: var(--text-muted);
            padding-left: 18px;
            position: relative;
            line-height: 1.6;
        }

        .member-benefits li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 7px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }

        .member-card .btn {
            width: 100%;
        }

        /* ========== Section 15: Form ========== */
        .form-card {
            max-width: 520px;
            margin: 0 auto;
            background: var(--bg-alt);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 600;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            padding: 12px 14px;
            color: var(--text-main);
            font-size: 15px;
            transition: all 0.2s;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(228, 41, 107, 0.12);
            outline: none;
            background: #252030;
        }

        .form-group input::placeholder {
            color: rgba(168, 163, 181, 0.6);
        }

        .captcha-row {
            display: flex;
            gap: 10px;
        }

        .captcha-row input {
            flex: 1;
        }

        .captcha-btn {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            color: var(--text-main);
            padding: 0 16px;
            font-size: 13px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .captcha-btn:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }

        .form-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .form-submit:hover {
            background: var(--primary-hover);
            box-shadow: 0 0 20px rgba(228, 41, 107, 0.5);
        }

        .form-note {
            text-align: center;
            font-size: 12px;
            color: rgba(168, 163, 181, 0.6);
            margin-top: 12px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

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

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }

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

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(168, 163, 181, 0.6);
        }

        .footer-bottom p a {
            color: rgba(168, 163, 181, 0.6);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-5 { grid-template-columns: repeat(3, 1fr); }
            .channel-grid { grid-template-columns: repeat(4, 1fr); }
            .milestone-timeline { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
            .milestone-timeline::before { display: none; }
            .ranking-compare { grid-template-columns: 1fr; }
            .member-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
            .member-card { padding: 22px 16px; }
        }

        @media (max-width: 768px) {
            .hero .container {
                flex-direction: column;
                gap: 32px;
                padding-top: 40px;
                padding-bottom: 60px;
            }
            .hero-left {
                max-width: 100%;
                text-align: center;
            }
            .hero-left h1 {
                font-size: 28px;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-countdown {
                justify-content: center;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                flex-basis: auto;
                width: 100%;
            }
            .hero-stat-card {
                flex: 1 1 140px;
                max-width: 200px;
            }
            .grid-2, .grid-3, .grid-4, .grid-5 {
                grid-template-columns: 1fr 1fr;
            }
            .channel-grid { grid-template-columns: repeat(3, 1fr); }
            .multi-device-wrap { grid-template-columns: 1fr; gap: 32px; }
            .news-list { grid-template-columns: 1fr; }
            .quick-list { grid-template-columns: 1fr; }
            .member-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .section { padding: 40px 0; }
            .section-header h2 { font-size: 24px; }
            .device-tv { width: 200px; height: 120px; }
            .device-mobile { width: 60px; height: 120px; }
            .device-desktop { width: 160px; height: 100px; }
        }

        @media (max-width: 520px) {
            .container { padding-left: 14px; padding-right: 14px; }
            .brand-row { gap: 8px; }
            .logo { font-size: 18px; }
            .search-box input { width: 80px; }
            .btn-login { padding: 0 12px; font-size: 13px; }
            .grid-2, .grid-3, .grid-4, .grid-5 {
                grid-template-columns: 1fr;
            }
            .channel-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .hero-left h1 { font-size: 24px; }
            .hero-sub { font-size: 13px; }
            .hero-right { flex-direction: column; align-items: center; }
            .hero-stat-card { width: 100%; max-width: 300px; flex: none; }
            .btn { padding: 10px 20px; font-size: 14px; width: 100%; }
            .hero-actions { width: 100%; flex-direction: column; }
            .section-header h2 { font-size: 21px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .milestone-timeline { grid-template-columns: 1fr; }
            .topic-card { aspect-ratio: 16/10; }
            .device-preview { flex-direction: column; align-items: center; }
            .preview-card { flex-basis: 180px; }
            .form-card { padding: 24px 18px; }
            .faq-item summary { font-size: 14px; padding: 16px 18px; }
            .faq-answer { padding: 0 18px 16px; font-size: 14px; }
            .news-thumb { width: 70px; height: 95px; }
        }

/* roulang page: category1 */
:root {
            --bg-main: #0D0E12;
            --bg-alt: #15101E;
            --bg-panel: #1C1826;
            --bg-panel-hover: #241D30;
            --primary: #E4296B;
            --primary-hover: #FF3D7F;
            --secondary: #00E5C7;
            --accent: #FFB400;
            --danger: #F53B57;
            --text-main: #F5F2ED;
            --text-muted: #A8A3B5;
            --border-glow: rgba(228, 41, 107, 0.25);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 14px 36px rgba(228, 41, 107, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --radius-img: 8px;
            --container-w: 1200px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Oswald", sans-serif;
            --fs-h1: 40px;
            --fs-h2: 28px;
            --fs-h3: 20px;
            --fs-body: 16px;
            --fs-summary: 14px;
            --fs-aux: 12px;
            --line-body: 1.8;
            --gap-card: 24px;
            --section-pad: 64px;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg-main);
            color: var(--text-main);
            font-size: var(--fs-body);
            line-height: var(--line-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), opacity var(--transition), transform var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header/Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg-main);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-main);
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--text-main);
        }
        .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(228, 41, 107, 0.5);
        }
        .logo-icon::before {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-left: 9px solid #fff;
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
            margin-left: 2px;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-btn);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            transition: border-color var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 140px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box .search-icon {
            color: var(--secondary);
            font-style: normal;
            font-weight: 700;
            font-size: 18px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-main);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            height: 38px;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(228, 41, 107, 0.08);
        }
        .channel-row {
            background-color: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 10px 0;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 14px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .channel-nav a:hover {
            color: var(--secondary);
            background: rgba(255, 255, 255, 0.1);
        }
        .channel-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 0 0 var(--secondary);
        }

        /* Section base */
        .category-section {
            padding: var(--section-pad) 0;
        }
        .category-section.alt-bg {
            background-color: var(--bg-alt);
        }
        .section-title {
            font-size: var(--fs-h2);
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .section-subtitle {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--fs-aux);
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .separator {
            color: rgba(168, 163, 181, 0.5);
        }
        .breadcrumb .current {
            color: var(--primary);
        }

        /* Category H1 section */
        .cat-hero {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cat-hero-content {
            flex: 1;
            min-width: 280px;
        }
        .cat-hero h1 {
            font-size: var(--fs-h1);
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .cat-hero h1 .highlight {
            color: var(--primary);
        }
        .cat-hero-sub {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .cat-hero-cover {
            flex-shrink: 0;
            width: 240px;
            height: 320px;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 2px solid var(--border-glow);
            box-shadow: var(--shadow-card);
        }
        .cat-hero-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        /* Filter toolbar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background-color: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 16px 20px;
        }
        .filter-bar select {
            background-color: var(--bg-alt);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            color: var(--text-main);
            padding: 8px 14px;
            font-size: 14px;
            cursor: pointer;
            transition: border-color var(--transition);
        }
        .filter-bar select:focus {
            border-color: var(--primary);
            outline: none;
        }
        .filter-bar .sort-btns {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .sort-btn {
            padding: 7px 16px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--text-muted);
            background: var(--bg-alt);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sort-btn:hover {
            color: var(--text-main);
            border-color: rgba(228, 41, 107, 0.4);
        }
        .sort-btn.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 12px rgba(228, 41, 107, 0.4);
        }

        /* Movie list grid */
        .movie-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-card);
        }
        .movie-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .movie-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }
        .movie-card-cover {
            position: relative;
            aspect-ratio: 3 / 4;
            overflow: hidden;
            border-radius: 0;
        }
        .movie-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: filter var(--transition);
        }
        .movie-card:hover .movie-card-cover img {
            filter: brightness(1.1);
        }
        .movie-card-cover .badge-update {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(228, 41, 107, 0.9);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            font-size: var(--fs-aux);
            font-weight: 500;
        }
        .movie-card-cover .badge-hot {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(255, 180, 0, 0.9);
            color: #1a1200;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            font-size: var(--fs-aux);
            font-weight: 700;
        }
        .movie-card-body {
            padding: 14px 16px 16px;
        }
        .movie-card-body h3 {
            font-size: var(--fs-h3);
            line-height: 1.4;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .movie-rating {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }
        .movie-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .movie-tag {
            font-size: var(--fs-aux);
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
        }
        .view-more-link {
            display: inline-block;
            margin-top: 24px;
            font-size: var(--fs-summary);
            color: var(--secondary);
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }
        .view-more-link:hover {
            border-color: var(--secondary);
        }

        /* Data summary */
        .data-summary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }
        .data-summary-item {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            transition: transform var(--transition), border-color var(--transition);
        }
        .data-summary-item:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow);
        }
        .data-summary-num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 4px;
        }
        .data-summary-num.color-secondary {
            color: var(--secondary);
            text-shadow: 0 0 16px rgba(0, 229, 199, 0.4);
        }
        .data-summary-num.color-primary {
            color: var(--primary);
            text-shadow: 0 0 16px rgba(228, 41, 107, 0.4);
        }
        .data-summary-num.color-accent {
            color: var(--accent);
            text-shadow: 0 0 16px rgba(255, 180, 0, 0.4);
        }
        .data-summary-label {
            font-size: var(--fs-summary);
            color: var(--text-muted);
        }

        /* Topic cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-card);
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: block;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }
        .topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: filter var(--transition);
        }
        .topic-card:hover img {
            filter: brightness(1.05);
        }
        .topic-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 14, 18, 0.92) 20%, transparent 80%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            border-radius: 0;
        }
        .topic-card-overlay h3 {
            font-size: var(--fs-h3);
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .topic-count-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: var(--fs-aux);
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            width: fit-content;
        }

        /* Related channels */
        .related-channel-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-card);
        }
        .related-channel-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: block;
        }
        .related-channel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }
        .related-channel-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: 0;
            transition: filter var(--transition);
        }
        .related-channel-card:hover img {
            filter: brightness(1.08);
        }
        .related-channel-name {
            padding: 12px 16px;
            font-size: var(--fs-summary);
            font-weight: 500;
            color: var(--text-main);
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .news-list-item:hover {
            transform: translateX(4px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
        }
        .news-date {
            flex-shrink: 0;
            font-family: var(--font-num);
            font-size: var(--fs-aux);
            color: var(--secondary);
            background: rgba(0, 229, 199, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-btn);
            height: fit-content;
            margin-top: 2px;
            white-space: nowrap;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: var(--fs-body);
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-content .news-summary {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: var(--fs-summary);
            background: var(--bg-panel);
            border-radius: var(--radius-card);
            border: 1px dashed rgba(255, 255, 255, 0.15);
        }

        /* Subscribe CTA */
        .subscribe-wrap {
            background: var(--bg-panel);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            padding: 32px;
            text-align: center;
        }
        .subscribe-wrap h3 {
            font-size: var(--fs-h3);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .subscribe-wrap p {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            background: var(--bg-alt);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            font-size: var(--fs-summary);
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(228, 41, 107, 0.2);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .btn-subscribe {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-size: var(--fs-summary);
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-subscribe:hover {
            background: var(--primary-hover);
            box-shadow: 0 0 16px rgba(228, 41, 107, 0.5);
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: var(--fs-h3);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .footer-brand-desc {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: var(--fs-body);
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: var(--fs-summary);
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: var(--fs-aux);
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .movie-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .related-channel-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cat-hero {
                flex-direction: column;
            }
            .cat-hero-cover {
                width: 200px;
                height: 260px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --fs-h1: 32px;
                --fs-h2: 24px;
                --fs-h3: 18px;
                --section-pad: 40px;
            }
            .brand-row {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
            }
            .search-box input {
                width: 100px;
            }
            .channel-nav {
                gap: 6px;
            }
            .movie-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-summary-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 12px;
            }
            .data-summary-num {
                font-size: 28px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .related-channel-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-bar .sort-btns {
                margin-left: 0;
            }
            .news-list-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                align-self: flex-start;
            }
        }
        @media (max-width: 480px) {
            :root {
                --fs-h1: 26px;
                --fs-h2: 22px;
                --fs-h3: 17px;
                --fs-body: 15px;
                --fs-summary: 13px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .brand-actions {
                gap: 8px;
            }
            .search-box input {
                width: 70px;
            }
            .logo {
                font-size: 18px;
                gap: 8px;
            }
            .movie-grid {
                grid-template-columns: 1fr;
            }
            .data-summary-grid {
                grid-template-columns: 1fr;
            }
            .related-channel-row {
                grid-template-columns: 1fr;
            }
            .cat-hero-cover {
                width: 160px;
                height: 210px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
                min-width: 0;
            }
            .btn-subscribe {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --bg-main: #0D0E12;
            --bg-alt: #15101E;
            --bg-panel: #1C1826;
            --bg-panel-hover: #241D30;
            --primary: #E4296B;
            --primary-hover: #FF3D7F;
            --secondary: #00E5C7;
            --accent: #FFB400;
            --danger: #F53B57;
            --text-main: #F5F2ED;
            --text-muted: #A8A3B5;
            --border-glow: rgba(228, 41, 107, 0.25);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 14px 36px rgba(228, 41, 107, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --radius-img: 8px;
            --container-w: 1200px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Oswald", sans-serif;
            --fs-h1: 40px;
            --fs-h2: 28px;
            --fs-h3: 20px;
            --fs-body: 16px;
            --fs-summary: 14px;
            --fs-aux: 12px;
            --line-body: 1.8;
            --gap-card: 24px;
            --section-pad: 64px;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-main);
            color: var(--text-main);
            font-size: var(--fs-body);
            line-height: var(--line-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), opacity var(--transition), transform var(--transition);
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg-main);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-main);
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(228, 41, 107, 0.5);
        }

        .logo-icon::before {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-left: 9px solid #fff;
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
            margin-left: 2px;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-btn);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            transition: border-color var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 140px;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box .search-icon {
            color: var(--secondary);
            font-style: normal;
            font-weight: 700;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-main);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            height: 38px;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(228, 41, 107, 0.08);
        }

        .channel-row {
            background-color: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) transparent;
        }

        .channel-nav a {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(245, 242, 237, 0.78);
            font-size: 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .channel-nav a:hover {
            color: var(--secondary);
            background: rgba(0, 229, 199, 0.08);
        }

        .channel-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 12px rgba(228, 41, 107, 0.45), 0 2px 0 var(--secondary);
        }

        .breadcrumb-bar {
            padding: 16px 0;
            background: var(--bg-alt);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

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

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

        .breadcrumb .current {
            color: var(--primary);
        }

        .article-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            padding: 64px 0 40px;
            overflow: hidden;
            background-color: var(--bg-main);
        }

        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .36;
        }

        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 14, 18, 0.35) 0%, rgba(13, 14, 18, 0.94) 100%);
        }

        .article-hero-inner {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 900px;
        }

        .article-hero h1 {
            font-size: var(--fs-h1);
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-main);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            align-items: center;
            font-size: var(--fs-summary);
            color: var(--text-muted);
        }

        .article-meta .dot {
            color: var(--primary);
        }

        .article-divider {
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            margin-top: 18px;
            width: 140px;
        }

        .article-body-section {
            padding: var(--section-pad) 0;
            background: var(--bg-main);
        }

        .article-layout {
            max-width: 820px;
            margin: 0 auto;
        }

        .article-content {
            font-size: var(--fs-body);
            line-height: 1.9;
            color: #EDE8F2;
        }

        .article-content p {
            margin: 0 0 20px;
        }

        .article-content h2 {
            font-size: 24px;
            line-height: 1.4;
            margin: 28px 0 14px;
            color: var(--text-main);
        }

        .article-content h3 {
            font-size: 20px;
            line-height: 1.45;
            margin: 22px 0 12px;
            color: var(--text-main);
        }

        .article-content blockquote {
            margin: 22px 0;
            padding: 14px 18px;
            background: var(--bg-alt);
            border-left: 3px solid var(--primary);
            border-radius: var(--radius-btn);
            color: var(--text-muted);
        }

        .article-content img {
            margin: 20px auto;
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-img);
        }

        .article-content code {
            background: var(--bg-panel);
            color: var(--secondary);
            padding: 2px 6px;
            border-radius: 4px;
            font-family: var(--font-num);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 22px;
            color: #D9D2DE;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .empty-state {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
        }

        .empty-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 18px;
            border: 2px solid var(--primary);
            border-radius: 50%;
            position: relative;
            opacity: .8;
        }

        .empty-icon::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 22px;
            width: 20px;
            height: 2px;
            background: var(--primary);
        }

        .empty-state h3 {
            font-size: 24px;
            margin-bottom: 12px;
        }

        .empty-state p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .related-section {
            padding: var(--section-pad) 0;
            background: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-heading {
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: var(--fs-h2);
            line-height: 1.3;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .section-heading p {
            font-size: var(--fs-summary);
            color: var(--text-muted);
        }

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

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

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

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

        .related-card:hover .card-cover img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 18px;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--text-main);
            transition: color var(--transition);
        }

        .related-card:hover .card-body h3 {
            color: var(--secondary);
        }

        .card-body p {
            font-size: var(--fs-summary);
            line-height: 1.7;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: var(--fs-aux);
            color: var(--text-muted);
        }

        .tags-section {
            padding: 48px 0;
            background: var(--bg-main);
        }

        .tags-title {
            font-size: var(--fs-h3);
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-group span {
            font-size: 13px;
            color: var(--secondary);
            border: 1px solid rgba(0, 229, 199, 0.28);
            background: rgba(0, 229, 199, 0.06);
            border-radius: var(--radius-badge);
            padding: 6px 14px;
            white-space: nowrap;
        }

        .article-actions {
            padding: 48px 0 64px;
            background: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .action-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            padding: 0 22px;
            height: 44px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #ffffff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 0 16px rgba(228, 41, 107, 0.5);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.28);
            color: var(--text-main);
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(228, 41, 107, 0.08);
        }

        .site-footer {
            background: #08090C;
            border-top: 1px solid rgba(228, 41, 107, 0.2);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .footer-brand-desc {
            font-size: var(--fs-summary);
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: var(--fs-summary);
            color: var(--text-muted);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: var(--fs-aux);
            color: var(--text-muted);
        }

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

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

        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .brand-row {
                height: 56px;
            }

            .logo {
                font-size: 20px;
            }

            .search-box input {
                width: 90px;
            }

            .channel-nav {
                gap: 8px;
                padding: 10px 4px;
            }

            .article-hero {
                min-height: 300px;
                padding: 48px 0 32px;
            }

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

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

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

            .article-actions .action-row {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .brand-actions {
                gap: 8px;
            }

            .search-box {
                display: none;
            }

            .btn-login {
                height: 34px;
                padding: 0 12px;
                font-size: 13px;
            }

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

            .article-hero h1 {
                font-size: 26px;
            }

            .article-meta {
                font-size: var(--fs-aux);
                gap: 6px;
            }

            .related-card .card-body h3 {
                font-size: 16px;
            }

            .breadcrumb {
                font-size: var(--fs-aux);
            }
        }