/* roulang page: index */
:root {
            --nav-bg: #0b0f19;
            --nav-border: #1e293b;
            --neon-color: #38bdf8;
            --neon-glow: rgba(56, 189, 248, 0.45);
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --primary-light: #eff6ff;
            --secondary: #0ea5e9;
            --accent: #f59e0b;
            --bg-page: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --transition: all 0.25s ease-in-out;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 顶部暗色霓虹导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--nav-bg);
            border-bottom: 1px solid var(--nav-border);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
        }

        .brand-logo .brand-dot {
            width: 10px;
            height: 10px;
            background-color: var(--neon-color);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--neon-color);
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #94a3b8;
            border-radius: var(--radius-sm);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background: rgba(56, 189, 248, 0.1);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background-color: var(--neon-color);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--neon-color);
        }

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

        .btn-neon {
            background-color: transparent;
            color: var(--neon-color);
            border: 1px solid var(--neon-color);
            padding: 7px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            border-radius: 20px;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
            transition: var(--transition);
        }

        .btn-neon:hover {
            background-color: var(--neon-color);
            color: #0b0f19;
            box-shadow: 0 0 16px var(--neon-color);
        }

        /* 统一 Section 排版 */
        .section-padding {
            padding: 70px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-alt {
            background-color: #ffffff;
        }

        .section-header {
            max-width: 800px;
            margin: 0 auto 45px auto;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块1: Hero 门户紧凑与区域节点 */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
            color: #ffffff;
            padding: 55px 0 50px 0;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/2fa2c61999daabc0.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            mix-blend-mode: luminosity;
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.35rem;
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .hero-content .hero-summary {
            font-size: 1rem;
            color: #cbd5e1;
            margin-bottom: 24px;
            line-height: 1.75;
        }

        .hero-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-pill-item {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #e2e8f0;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

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

        .btn-primary-action {
            background-color: #38bdf8;
            color: #0b0f19;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
        }

        .btn-primary-action:hover {
            background-color: #7dd3fc;
            transform: translateY(-2px);
        }

        .btn-secondary-action {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-secondary-action:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        .hero-node-box {
            background: rgba(15, 23, 42, 0.85);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-lg);
        }

        .node-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .node-header-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #f8fafc;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .node-status-dot {
            width: 8px;
            height: 8px;
            background: #10b981;
            border-radius: 50%;
            box-shadow: 0 0 8px #10b981;
        }

        .node-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .node-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.05);
            padding: 10px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
        }

        .node-latency {
            color: #38bdf8;
            font-family: monospace;
            font-weight: 600;
        }

        /* 核心卖点三连 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
        }

        .feature-icon-box {
            width: 52px;
            height: 52px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            font-weight: bold;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            color: var(--text-main);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 场景演示板块 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-box {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #ffffff;
            border: 1px solid var(--border-color);
        }

        .scenario-img-wrap {
            height: 190px;
            overflow: hidden;
        }

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

        .scenario-box:hover .scenario-img-wrap img {
            transform: scale(1.05);
        }

        .scenario-body {
            padding: 22px;
        }

        .scenario-body h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-main);
            font-weight: 600;
        }

        .scenario-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 剧情架构与看点 */
        .highlights-wrapper {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .highlight-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 26px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .highlight-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            padding-top: 4px;
        }

        .highlight-desc h4 {
            font-size: 1.15rem;
            color: var(--text-main);
            margin-bottom: 8px;
            font-weight: 600;
        }

        .highlight-desc p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 角色脉络与人物拆解 */
        .characters-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .character-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .character-avatar {
            width: 72px;
            height: 72px;
            margin: 0 auto 14px auto;
            border-radius: 50%;
            background: #e2e8f0;
            overflow: hidden;
            border: 2px solid var(--primary-light);
        }

        .character-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .character-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .character-role {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .character-intro {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            text-align: left;
        }

        /* 音画对比表板块 */
        .compare-box {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-row {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            align-items: center;
        }

        .compare-row.head {
            background: #f1f5f9;
            font-weight: 700;
            color: var(--text-main);
        }

        .compare-row:last-child {
            border-bottom: none;
        }

        .compare-highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* 线路节点矩阵 */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .matrix-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .matrix-card .speed-tag {
            display: inline-block;
            background: #dcfce7;
            color: #15803d;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .matrix-card h5 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .matrix-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 弹幕热评专区 */
        .danmaku-wrap {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 900px;
            margin: 0 auto;
        }

        .danmaku-bubble {
            background: #ffffff;
            border: 1px solid: var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }

        .danmaku-user {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .danmaku-badge {
            background: #fef3c7;
            color: #d97706;
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .danmaku-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-grow: 1;
            margin: 0 20px;
        }

        .danmaku-time {
            font-size: 0.8rem;
            color: var(--text-light);
            font-family: monospace;
        }

        /* 专题资讯速递 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .news-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-meta {
            font-size: 0.82rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .news-body h4 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .news-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        /* 观众口碑评分 */
        .reputation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .reputation-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .stars-row {
            color: #f59e0b;
            font-size: 1.1rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .reputation-comment {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .reputation-author {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            font-size: 0.84rem;
            color: var(--text-light);
        }

        /* 常见疑问解答 */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .faq-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .faq-q {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-q::before {
            content: "Q";
            display: inline-block;
            width: 22px;
            height: 22px;
            background: var(--primary-light);
            color: var(--primary);
            text-align: center;
            line-height: 22px;
            border-radius: 50%;
            font-size: 0.8rem;
        }

        .faq-a {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 服务保障图标条 */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: center;
        }

        .guarantee-icon {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .guarantee-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .guarantee-sub {
            font-size: 0.84rem;
            color: var(--text-muted);
        }

        /* 底部固定转化条 */
        .sticky-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.94);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(56, 189, 248, 0.3);
            padding: 12px 0;
            z-index: 999;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .sticky-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .sticky-info {
            display: flex;
            align-items: center;
            gap: 16px;
            color: #ffffff;
        }

        .sticky-title {
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .sticky-desc {
            font-size: 0.85rem;
            color: #94a3b8;
        }

        .sticky-btn {
            background: var(--neon-color);
            color: #0b0f19;
            font-weight: 700;
            padding: 8px 24px;
            border-radius: 20px;
            font-size: 0.9rem;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }

        .sticky-btn:hover {
            background: #7dd3fc;
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.7);
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 50px 0 90px 0;
            border-top: 1px solid #1e293b;
            font-size: 0.88rem;
        }

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

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-intro {
            line-height: 1.65;
            max-width: 480px;
        }

        .footer-col h5 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .features-grid, .scenarios-grid, .news-grid, .reputation-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .characters-grid, .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .features-grid, .scenarios-grid, .news-grid, .reputation-grid, .highlights-wrapper, .faq-grid {
                grid-template-columns: 1fr;
            }
            .characters-grid, .matrix-grid, .guarantee-bar {
                grid-template-columns: 1fr;
            }
            .compare-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .compare-row > div:nth-child(3) {
                display: none;
            }
            .sticky-desc {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
            }
            .nav-links {
                order: 3;
                width: 100%;
                margin-top: 10px;
                overflow-x: auto;
                padding-bottom: 6px;
            }
        }

/* roulang page: category2 */
:root {
      --nav-bg: #0b0f19;
      --nav-border: #1e293b;
      --neon-color: #38bdf8;
      --neon-glow: rgba(56, 189, 248, 0.45);
      --primary: #2563eb;
      --primary-hover: #1d4ed8;
      --primary-light: #eff6ff;
      --secondary: #0ea5e9;
      --accent: #f59e0b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.25s ease-in-out;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    /* 顶部暗色霓虹导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: var(--nav-bg);
      border-bottom: 1px solid var(--nav-border);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.15rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo .brand-dot {
      width: 10px;
      height: 10px;
      background-color: var(--neon-color);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--neon-color);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 8px;
    }
    .nav-links a {
      padding: 8px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: #94a3b8;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: #ffffff;
      background: rgba(56, 189, 248, 0.1);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 3px;
      background-color: var(--neon-color);
      border-radius: 2px;
      box-shadow: 0 0 8px var(--neon-color);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-neon {
      background-color: transparent;
      color: var(--neon-color);
      border: 1px solid var(--neon-color);
      padding: 7px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 20px;
      cursor: pointer;
      box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
      transition: var(--transition);
      display: inline-block;
    }
    .btn-neon:hover {
      background-color: var(--neon-color);
      color: #0b0f19;
      box-shadow: 0 0 16px var(--neon-color);
    }
    /* Section通用排版 */
    .section-padding {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-alt {
      background-color: #ffffff;
    }
    .section-header {
      max-width: 820px;
      margin: 0 auto 45px auto;
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.75;
    }
    /* 蓝图：工业参数首屏，关键指标条 + 询盘/交互按钮 */
    .spec-hero {
      position: relative;
      background: linear-gradient(135deg, #09111e 0%, #172554 100%);
      color: #ffffff;
      padding: 60px 0 55px 0;
      overflow: hidden;
      border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    }
    .spec-hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/3c1f09021021cf70.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.2;
      mix-blend-mode: luminosity;
    }
    .spec-hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
    }
    .spec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background: rgba(56, 189, 248, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.35);
      color: var(--neon-color);
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 18px;
    }
    .spec-hero h1 {
      font-size: 2.45rem;
      line-height: 1.3;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .spec-hero p {
      font-size: 1.05rem;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .spec-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: rgba(15, 23, 42, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 30px;
      backdrop-filter: blur(8px);
    }
    .spec-item {
      border-right: 1px solid rgba(255, 255, 255, 0.1);
      padding-right: 12px;
    }
    .spec-item:last-child {
      border-right: none;
      padding-right: 0;
    }
    .spec-num {
      font-size: 1.65rem;
      font-weight: 800;
      color: #38bdf8;
      font-feature-settings: "tnum";
      display: block;
      margin-bottom: 4px;
    }
    .spec-label {
      font-size: 0.82rem;
      color: #94a3b8;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .spec-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-solid-blue {
      background: var(--primary);
      color: #ffffff;
      padding: 12px 28px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
      border: 1px solid transparent;
    }
    .btn-solid-blue:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    }
    .btn-outline-glow {
      background: rgba(255, 255, 255, 0.05);
      color: #e2e8f0;
      padding: 12px 26px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .btn-outline-glow:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: #ffffff;
      color: #ffffff;
    }

    /* 剧情图文特色组件：主副对比图文带 */
    .story-heroic-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      margin-bottom: 32px;
      transition: var(--transition);
    }
    .story-heroic-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }
    .story-heroic-img {
      position: relative;
      height: 100%;
      min-height: 320px;
    }
    .story-heroic-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-heroic-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 23, 42, 0.85);
      color: #38bdf8;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
      border: 1px solid rgba(56, 189, 248, 0.3);
    }
    .story-heroic-body {
      padding: 36px 32px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-heroic-body h3 {
      font-size: 1.45rem;
      color: var(--text-main);
      margin-bottom: 12px;
      font-weight: 700;
    }
    .story-heroic-body p {
      color: var(--text-muted);
      font-size: 0.96rem;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .story-meta-row {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-light);
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    /* 剧情卡片网格系统 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scene-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .scene-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }
    .scene-thumb {
      position: relative;
      height: 195px;
      overflow: hidden;
      background: #e2e8f0;
    }
    .scene-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scene-card:hover .scene-thumb img {
      transform: scale(1.05);
    }
    .scene-duration {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(15, 23, 42, 0.85);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      font-family: monospace;
    }
    .scene-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .scene-content h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .scene-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .scene-badges {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }
    .scene-badge-item {
      font-size: 0.75rem;
      background: #f1f5f9;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 角色关系图解与深度性格剖析 */
    .character-arc-box {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .char-profile-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .char-profile-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .char-avatar-frame {
      width: 86px;
      height: 86px;
      border-radius: 50%;
      margin: 0 auto 16px auto;
      overflow: hidden;
      border: 3px solid #dbeafe;
      background: #cbd5e1;
    }
    .char-avatar-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .char-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .char-role {
      font-size: 0.82rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 12px;
      display: block;
    }
    .char-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      text-align: left;
    }

    /* 伏笔暗线时间轴板块 */
    .clue-timeline {
      position: relative;
      max-width: 960px;
      margin: 0 auto;
      padding: 20px 0;
    }
    .clue-timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 28px;
      width: 2px;
      background: #cbd5e1;
    }
    .timeline-node {
      position: relative;
      padding-left: 70px;
      margin-bottom: 36px;
    }
    .timeline-node:last-child {
      margin-bottom: 0;
    }
    .timeline-point {
      position: absolute;
      left: 20px;
      top: 4px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #ffffff;
      border: 4px solid var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    }
    .timeline-body {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }
    .timeline-body h5 {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .timeline-ep {
      font-size: 0.8rem;
      color: #2563eb;
      background: #eff6ff;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .timeline-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 剧集视听参数对比表 */
    .specs-table-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.94rem;
    }
    .specs-table th {
      background: #f1f5f9;
      color: var(--text-main);
      padding: 16px 20px;
      font-weight: 700;
      border-bottom: 1px solid var(--border-color);
    }
    .specs-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      color: var(--text-muted);
    }
    .specs-table tr:last-child td {
      border-bottom: none;
    }
    .badge-check {
      display: inline-block;
      padding: 2px 8px;
      background: #dcfce7;
      color: #15803d;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 600;
    }

    /* 剧情互动讨论聚合板块 */
    .topic-cluster-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }
    .topic-card-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .topic-bubble {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      gap: 16px;
    }
    .topic-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #e2e8f0;
      flex-shrink: 0;
      overflow: hidden;
    }
    .topic-info h6 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .topic-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 8px;
    }
    .topic-stat-line {
      display: flex;
      gap: 16px;
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .side-spotlight {
      background: #1e293b;
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-md);
    }
    .side-spotlight h4 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: #38bdf8;
    }
    .side-spotlight p {
      font-size: 0.92rem;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* 底部收口行动区 */
    .action-dispatch {
      background: linear-gradient(135deg, #0b1329 0%, #1e3a8a 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      text-align: center;
      margin: 20px 0 60px 0;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(56, 189, 248, 0.3);
    }
    .action-dispatch h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }
    .action-dispatch p {
      font-size: 1.05rem;
      color: #cbd5e1;
      max-width: 680px;
      margin: 0 auto 28px auto;
      line-height: 1.7;
    }
    .action-btns {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 统一 Footer 样式 */
    .site-footer {
      background-color: var(--nav-bg);
      border-top: 1px solid var(--nav-border);
      color: #94a3b8;
      padding: 60px 0 25px 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 50px;
      margin-bottom: 40px;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-intro {
      font-size: 0.92rem;
      line-height: 1.7;
      color: #64748b;
      max-width: 440px;
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
    }
    .footer-links a:hover {
      color: var(--neon-color);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid var(--nav-border);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
      line-height: 1.6;
    }

    /* 移动端与平板响应式适配 */
    @media (max-width: 1024px) {
      .spec-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .spec-item:nth-child(2) {
        border-right: none;
      }
      .scene-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .character-arc-box {
        grid-template-columns: repeat(2, 1fr);
      }
      .story-heroic-card {
        grid-template-columns: 1fr;
      }
      .story-heroic-img {
        min-height: 240px;
      }
      .topic-cluster-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .spec-hero h1 {
        font-size: 1.85rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .spec-bar {
        grid-template-columns: 1fr;
      }
      .spec-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 12px;
      }
      .spec-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .scene-grid {
        grid-template-columns: 1fr;
      }
      .character-arc-box {
        grid-template-columns: 1fr;
      }
      .clue-timeline::before {
        left: 18px;
      }
      .timeline-node {
        padding-left: 50px;
      }
      .timeline-point {
        left: 10px;
      }
      .action-dispatch {
        padding: 35px 20px;
      }
      .action-dispatch h3 {
        font-size: 1.5rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category1 */
:root {
      --nav-bg: #0b0f19;
      --nav-border: #1e293b;
      --neon-color: #38bdf8;
      --neon-glow: rgba(56, 189, 248, 0.45);
      --primary: #2563eb;
      --primary-hover: #1d4ed8;
      --primary-light: #eff6ff;
      --secondary: #0ea5e9;
      --accent: #f59e0b;
      --success: #10b981;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-dark-panel: #0f172a;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.25s ease-in-out;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: var(--nav-bg);
      border-bottom: 1px solid var(--nav-border);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.15rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }

    .brand-logo .brand-dot {
      width: 10px;
      height: 10px;
      background-color: var(--neon-color);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--neon-color);
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 8px;
    }

    .nav-links a {
      padding: 8px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: #94a3b8;
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #ffffff;
      background: rgba(56, 189, 248, 0.1);
    }

    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 3px;
      background-color: var(--neon-color);
      border-radius: 2px;
      box-shadow: 0 0 8px var(--neon-color);
    }

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

    .btn-neon {
      background-color: transparent;
      color: var(--neon-color);
      border: 1px solid var(--neon-color);
      padding: 7px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 20px;
      cursor: pointer;
      box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-neon:hover {
      background-color: var(--neon-color);
      color: #0b0f19;
      box-shadow: 0 0 16px var(--neon-color);
    }

    /* Section 基础排版 */
    .section-padding {
      padding: 75px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-alt {
      background-color: #ffffff;
    }

    .section-header {
      max-width: 820px;
      margin: 0 auto 48px auto;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 板块1: Hero 深色信息面板 + 左侧入口 + 右侧 faux 数据榜单 */
    .category-hero {
      position: relative;
      background: linear-gradient(135deg, #090e17 0%, #0f1f3d 100%);
      color: #ffffff;
      padding: 60px 0 70px 0;
      overflow: hidden;
      border-bottom: 1px solid #1e293b;
    }

    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/3c1f09021021cf70.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mix-blend-mode: luminosity;
    }

    .hero-layout-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .hero-left-entry .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(56, 189, 248, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.35);
      color: var(--neon-color);
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero-left-entry .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--neon-color);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-color);
      animation: pulseAnim 1.8s infinite;
    }

    @keyframes pulseAnim {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }

    .hero-left-entry h1 {
      font-size: 2.45rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #ffffff;
      letter-spacing: -0.5px;
    }

    .hero-left-entry p {
      font-size: 1.05rem;
      color: #94a3b8;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      margin-bottom: 25px;
    }

    .btn-main-action {
      background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
      color: #ffffff;
      padding: 13px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-action:hover {
      background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    }

    .btn-secondary-action {
      background: rgba(255, 255, 255, 0.08);
      color: #e2e8f0;
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 13px 24px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-secondary-action:hover {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
      border-color: rgba(255, 255, 255, 0.35);
    }

    .hero-meta-strip {
      display: flex;
      gap: 20px;
      font-size: 0.88rem;
      color: #64748b;
      padding-top: 15px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-meta-strip span {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #cbd5e1;
    }

    /* 右侧 faux 数据榜单面板 */
    .hero-ranking-panel {
      background: rgba(15, 23, 42, 0.75);
      border: 1px solid #1e293b;
      border-radius: var(--radius-md);
      padding: 24px;
      backdrop-filter: blur(12px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
    }

    .ranking-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      border-bottom: 1px solid #1e293b;
      margin-bottom: 16px;
    }

    .ranking-title {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .ranking-badge-status {
      font-size: 0.75rem;
      background: rgba(16, 185, 129, 0.2);
      color: #34d399;
      border: 1px solid rgba(16, 185, 129, 0.3);
      padding: 3px 10px;
      border-radius: 12px;
      font-weight: 600;
    }

    .ranking-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .ranking-item {
      display: grid;
      grid-template-columns: 36px 1fr 80px 75px;
      align-items: center;
      background: rgba(30, 41, 59, 0.5);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.05);
      transition: var(--transition);
    }

    .ranking-item:hover {
      background: rgba(30, 41, 59, 0.85);
      border-color: rgba(56, 189, 248, 0.3);
    }

    .ranking-rank {
      font-weight: 800;
      font-size: 1rem;
      color: var(--text-light);
    }

    .ranking-rank.top-1 { color: #f59e0b; }
    .ranking-rank.top-2 { color: #38bdf8; }
    .ranking-rank.top-3 { color: #10b981; }

    .ranking-info .node-name {
      font-size: 0.9rem;
      font-weight: 600;
      color: #f1f5f9;
      display: block;
    }

    .ranking-info .node-sub {
      font-size: 0.75rem;
      color: #64748b;
    }

    .ranking-ping {
      text-align: right;
      font-size: 0.85rem;
      font-weight: 700;
      color: #34d399;
    }

    .ranking-tag {
      text-align: right;
    }

    .tag-active-pill {
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: rgba(37, 99, 235, 0.25);
      color: #60a5fa;
      border: 1px solid rgba(37, 99, 235, 0.3);
    }

    /* 板块2: 卖点三连 (核心通道技术集群) */
    .features-triplet {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .triplet-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .triplet-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      opacity: 0;
      transition: var(--transition);
    }

    .triplet-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }

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

    .triplet-icon-box {
      width: 54px;
      height: 54px;
      border-radius: 12px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 22px;
    }

    .triplet-card h3 {
      font-size: 1.28rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .triplet-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .triplet-specs {
      list-style: none;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .triplet-specs li {
      font-size: 0.85rem;
      color: #64748b;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .triplet-specs li::before {
      content: "•";
      color: var(--secondary);
      font-weight: bold;
    }

    /* 板块3: 场景演示与全集剧集交互网格 */
    .episode-hub-container {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .hub-control-bar {
      background: #f8fafc;
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
    }

    .filter-tabs {
      display: flex;
      gap: 8px;
    }

    .tab-btn {
      padding: 7px 16px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      background: #ffffff;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
    }

    .tab-btn.active, .tab-btn:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    .indicator-status {
      font-size: 0.88rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .status-dot-green {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--success);
    }

    .episode-list-grid {
      padding: 28px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .episode-cell {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px;
      background: #ffffff;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .episode-cell:hover {
      border-color: var(--secondary);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .episode-cell .cell-top {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 8px;
    }

    .episode-num {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .cell-badge {
      font-size: 0.72rem;
      padding: 2px 6px;
      background: #f1f5f9;
      color: #64748b;
      border-radius: 4px;
    }

    .episode-title-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .cell-action {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 10px;
      border-top: 1px dashed #e2e8f0;
    }

    .rate-label {
      font-size: 0.78rem;
      color: var(--primary);
      font-weight: 600;
    }

    .btn-cell-play {
      font-size: 0.78rem;
      font-weight: 600;
      color: #ffffff;
      background-color: var(--primary);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
    }

    .btn-cell-play:hover {
      background-color: var(--primary-hover);
    }

    /* 板块4: 影视画面实况与沉浸体验展区 */
    .showcase-layout {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .showcase-media {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }

    .showcase-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      display: block;
    }

    .media-badge-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 23, 42, 0.85);
      color: #ffffff;
      font-size: 0.82rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .showcase-content h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .showcase-content p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .metric-progress-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .metric-row {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .metric-label-group {
      display: flex;
      justify-content: space-between;
      font-size: 0.9rem;
      font-weight: 600;
    }

    .progress-track {
      height: 8px;
      background: #e2e8f0;
      border-radius: 4px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      border-radius: 4px;
    }

    /* 板块5: 对比差异 (普通流媒体 vs 本站专属分发网络) */
    .comparison-table-wrapper {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .custom-compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .custom-compare-table th,
    .custom-compare-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .custom-compare-table th {
      background-color: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .custom-compare-table td:first-child {
      font-weight: 600;
      color: var(--text-main);
      width: 25%;
    }

    .col-highlight {
      background-color: rgba(37, 99, 235, 0.03);
      color: var(--primary);
      font-weight: 600;
    }

    .status-check {
      color: var(--success);
      font-weight: 700;
      margin-right: 6px;
    }

    .status-cross {
      color: #94a3b8;
      margin-right: 6px;
    }

    /* 板块6: 资讯证据与观剧解析动态 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .insight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .insight-card .card-thumb-wrap {
      height: 190px;
      overflow: hidden;
      position: relative;
    }

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

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

    .insight-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .insight-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .insight-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .insight-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .insight-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .insight-link:hover {
      color: var(--primary-hover);
    }

    /* 板块7: 播放保障与异议拆解 FAQ */
    .faq-layout-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .faq-item-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .faq-icon-q {
      background: var(--primary-light);
      color: var(--primary);
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .faq-answer {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.75;
      padding-left: 34px;
    }

    /* 板块8: 服务保障承诺条 */
    .guarantee-strip {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      padding: 40px 0;
    }

    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .guarantee-unit h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 8px;
    }

    .guarantee-unit p {
      font-size: 0.88rem;
      color: #94a3b8;
      line-height: 1.5;
    }

    /* 底部固定转化条 */
    .fixed-conversion-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(11, 15, 25, 0.96);
      border-top: 1px solid #1e293b;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
      padding: 12px 0;
      backdrop-filter: blur(10px);
    }

    .bar-flex-layout {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .bar-title-group h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .bar-title-group p {
      color: #94a3b8;
      font-size: 0.85rem;
    }

    .bar-btn-group {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    /* Footer 样式 */
    .site-footer {
      background-color: var(--nav-bg);
      border-top: 1px solid var(--nav-border);
      color: #94a3b8;
      padding: 70px 0 95px 0;
      font-size: 0.92rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 45px;
      margin-bottom: 50px;
    }

    .footer-brand {
      font-size: 1.35rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .footer-intro {
      line-height: 1.8;
      color: #64748b;
      max-width: 480px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 600;
      color: #f1f5f9;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-links a {
      color: #94a3b8;
    }

    .footer-links a:hover {
      color: var(--neon-color);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid var(--nav-border);
      padding-top: 30px;
      text-align: center;
      color: #64748b;
      font-size: 0.85rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-layout-grid {
        grid-template-columns: 1fr;
        gap: 35px;
      }
      .episode-list-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .showcase-layout {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .features-triplet,
      .insights-grid,
      .faq-layout-grid {
        grid-template-columns: 1fr;
      }
      .episode-list-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-left-entry h1 {
        font-size: 1.95rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .bar-title-group {
        display: none;
      }
      .bar-flex-layout {
        justify-content: center;
        width: 100%;
      }
      .bar-btn-group {
        width: 100%;
        justify-content: space-between;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
    }

    @media (max-width: 520px) {
      .episode-list-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .hero-cta-group {
        flex-direction: column;
      }
      .btn-main-action,
      .btn-secondary-action {
        width: 100%;
        justify-content: center;
      }
    }

/* roulang page: category3 */
:root {
      --nav-bg: #0b0f19;
      --nav-border: #1e293b;
      --neon-color: #38bdf8;
      --neon-glow: rgba(56, 189, 248, 0.45);
      --primary: #2563eb;
      --primary-hover: #1d4ed8;
      --primary-light: #eff6ff;
      --secondary: #0ea5e9;
      --accent: #f59e0b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.25s ease-in-out;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: var(--nav-bg);
      border-bottom: 1px solid var(--nav-border);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.15rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo .brand-dot {
      width: 10px;
      height: 10px;
      background-color: var(--neon-color);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--neon-color);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 8px;
    }
    .nav-links a {
      padding: 8px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: #94a3b8;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: #ffffff;
      background: rgba(56, 189, 248, 0.1);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 3px;
      background-color: var(--neon-color);
      border-radius: 2px;
      box-shadow: 0 0 8px var(--neon-color);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-neon {
      background-color: transparent;
      color: var(--neon-color);
      border: 1px solid var(--neon-color);
      padding: 7px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 20px;
      cursor: pointer;
      box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
      transition: var(--transition);
      display: inline-block;
    }
    .btn-neon:hover {
      background-color: var(--neon-color);
      color: #0b0f19;
      box-shadow: 0 0 16px var(--neon-color);
    }
    .section-padding {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-alt {
      background-color: #ffffff;
    }
    .section-header {
      max-width: 800px;
      margin: 0 auto 45px auto;
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .btn-primary-blue {
      background-color: var(--primary);
      color: #ffffff;
      padding: 12px 28px;
      font-size: 0.98rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    }
    .btn-primary-blue:hover {
      background-color: var(--primary-hover);
      color: #ffffff;
      transform: translateY(-2px);
    }
    .btn-outline-blue {
      border: 1px solid var(--border-color);
      background-color: #ffffff;
      color: var(--text-main);
      padding: 12px 26px;
      font-size: 0.98rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-outline-blue:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--primary-light);
    }

    /* 落地页转化流：首屏叙事与行动区 */
    .landing-hero {
      position: relative;
      background: linear-gradient(135deg, #0b1528 0%, #1e293b 100%);
      color: #ffffff;
      padding: 85px 0 75px 0;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .landing-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/3c1f09021021cf70.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mix-blend-mode: luminosity;
    }
    .landing-hero-body {
      position: relative;
      z-index: 2;
      max-width: 880px;
      margin: 0 auto;
      text-align: center;
    }
    .landing-hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(56, 189, 248, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.35);
      color: var(--neon-color);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
    }
    .landing-hero h1 {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .landing-hero p {
      font-size: 1.15rem;
      color: #cbd5e1;
      margin-bottom: 35px;
      line-height: 1.75;
    }
    .landing-hero-btns {
      display: flex;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }
    .hero-meta-badges {
      display: flex;
      justify-content: center;
      gap: 30px;
      flex-wrap: wrap;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 25px;
    }
    .hero-meta-item {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #94a3b8;
      font-size: 0.92rem;
    }
    .hero-meta-item strong {
      color: #ffffff;
      font-size: 1.1rem;
    }

    /* 卖点三连卡片 */
    .trio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .trio-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .trio-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }
    .trio-badge {
      display: inline-block;
      width: 44px;
      height: 44px;
      line-height: 44px;
      text-align: center;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 700;
      font-size: 1.2rem;
      border-radius: var(--radius-sm);
      margin-bottom: 20px;
    }
    .trio-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .trio-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 互动场景演示 */
    .scene-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .scene-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .scene-img-wrap img {
      width: 100%;
      height: auto;
      object-fit: cover;
    }
    .scene-info h3 {
      font-size: 1.7rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .scene-info p {
      color: var(--text-muted);
      font-size: 1rem;
      margin-bottom: 24px;
      line-height: 1.75;
    }
    .topic-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }
    .topic-tag {
      background: #f1f5f9;
      color: var(--text-muted);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
    }

    /* 真实社会认同：弹幕与剧评墙 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .avatar-badge {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--secondary), var(--primary));
      color: #ffffff;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.05rem;
    }
    .reviewer-meta h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .reviewer-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .review-score {
      color: var(--accent);
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .review-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 体验差异对比 */
    .compare-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th,
    .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table td.highlight {
      background: rgba(37, 99, 235, 0.04);
      color: var(--primary);
      font-weight: 600;
    }

    /* 深度资讯精选 */
    .news-article-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .news-item-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }
    .news-item-tag {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 8px;
      text-transform: uppercase;
    }
    .news-item-box h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .news-item-box p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 常见疑虑拆解 */
    .faq-flow-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .faq-flow-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }
    .faq-flow-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .faq-flow-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 全局服务保障条 */
    .guarantee-stripe {
      background: #0f172a;
      color: #ffffff;
      padding: 40px 0;
    }
    .guarantee-flex {
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
    }
    .guarantee-unit {
      text-align: center;
    }
    .guarantee-unit strong {
      display: block;
      font-size: 1.5rem;
      color: var(--neon-color);
      margin-bottom: 6px;
    }
    .guarantee-unit span {
      font-size: 0.9rem;
      color: #94a3b8;
    }

    /* 底部固定转化条 */
    .fixed-action-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(11, 15, 25, 0.94);
      backdrop-filter: blur(12px);
      border-top: 1px solid rgba(56, 189, 248, 0.25);
      padding: 14px 0;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    }
    .action-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .bar-text {
      color: #ffffff;
      font-size: 0.98rem;
    }
    .bar-text span {
      color: var(--neon-color);
      font-weight: 700;
      margin-right: 8px;
    }
    .bar-cta-btn {
      background: var(--neon-color);
      color: #0b0f19;
      font-weight: 700;
      padding: 9px 24px;
      border-radius: 20px;
      font-size: 0.92rem;
      box-shadow: 0 0 12px var(--neon-glow);
    }
    .bar-cta-btn:hover {
      background: #ffffff;
      color: #000000;
    }

    /* 统一页脚 */
    .site-footer {
      background-color: var(--nav-bg);
      border-top: 1px solid var(--nav-border);
      color: #94a3b8;
      padding: 60px 0 100px 0;
      font-size: 0.92rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 50px;
      margin-bottom: 45px;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
    }
    .footer-intro {
      line-height: 1.7;
      color: #64748b;
      max-width: 480px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--neon-color);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 25px;
      text-align: center;
      color: #64748b;
      font-size: 0.85rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .landing-hero h1 {
        font-size: 2.3rem;
      }
      .trio-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .landing-hero {
        padding: 55px 0 50px 0;
      }
      .landing-hero h1 {
        font-size: 1.85rem;
      }
      .scene-box {
        grid-template-columns: 1fr;
      }
      .trio-grid,
      .review-grid,
      .news-article-grid,
      .faq-flow-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .action-bar-inner {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }

/* roulang page: category4 */
:root {
      --nav-bg: #0b0f19;
      --nav-border: #1e293b;
      --neon-color: #38bdf8;
      --neon-glow: rgba(56, 189, 248, 0.45);
      --primary: #2563eb;
      --primary-hover: #1d4ed8;
      --primary-light: #eff6ff;
      --secondary: #0ea5e9;
      --accent: #f59e0b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.25s ease-in-out;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: var(--nav-bg);
      border-bottom: 1px solid var(--nav-border);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.15rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo .brand-dot {
      width: 10px;
      height: 10px;
      background-color: var(--neon-color);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--neon-color);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 8px;
    }
    .nav-links a {
      padding: 8px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: #94a3b8;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: #ffffff;
      background: rgba(56, 189, 248, 0.1);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 3px;
      background-color: var(--neon-color);
      border-radius: 2px;
      box-shadow: 0 0 8px var(--neon-color);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-neon {
      background-color: transparent;
      color: var(--neon-color);
      border: 1px solid var(--neon-color);
      padding: 7px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 20px;
      cursor: pointer;
      box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
      transition: var(--transition);
      display: inline-block;
    }
    .btn-neon:hover {
      background-color: var(--neon-color);
      color: #0b0f19;
      box-shadow: 0 0 16px var(--neon-color);
    }
    .section-padding {
      padding: 75px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-alt {
      background-color: #ffffff;
    }
    .section-header {
      max-width: 820px;
      margin: 0 auto 45px auto;
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 蓝图：裂变邀请首屏（奖励说明 + 进度条 + 邀请按钮） */
    .hero-fission {
      position: relative;
      background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
      color: #ffffff;
      padding: 65px 0 70px 0;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/3c1f09021021cf70.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mix-blend-mode: luminosity;
    }
    .hero-container {
      position: relative;
      z-index: 2;
    }
    .hero-badge-top {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(56, 189, 248, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.4);
      color: var(--neon-color);
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 30px;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #ffffff;
    }
    .hero-title span {
      color: var(--neon-color);
    }
    .hero-intro {
      font-size: 1.08rem;
      color: #cbd5e1;
      max-width: 820px;
      line-height: 1.75;
      margin-bottom: 35px;
    }
    .fission-reward-card {
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 30px 35px;
      max-width: 960px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .fission-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      flex-wrap: wrap;
      gap: 15px;
    }
    .fission-header h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .fission-status-badge {
      background-color: #22c55e;
      color: #ffffff;
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 12px;
      font-weight: 600;
    }
    .progress-bar-wrap {
      margin-bottom: 25px;
    }
    .progress-labels {
      display: flex;
      justify-content: space-between;
      font-size: 0.88rem;
      color: #94a3b8;
      margin-bottom: 8px;
    }
    .progress-track {
      width: 100%;
      height: 14px;
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: 8px;
      overflow: hidden;
      position: relative;
    }
    .progress-fill {
      width: 78%;
      height: 100%;
      background: linear-gradient(90deg, #0ea5e9, #38bdf8);
      border-radius: 8px;
      box-shadow: 0 0 12px var(--neon-glow);
      position: relative;
    }
    .fission-reward-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 25px;
    }
    .reward-step-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      text-align: center;
    }
    .reward-step-item.active-step {
      border-color: var(--neon-color);
      background: rgba(56, 189, 248, 0.1);
    }
    .step-title {
      font-size: 0.82rem;
      color: #94a3b8;
      margin-bottom: 4px;
    }
    .step-val {
      font-size: 0.95rem;
      font-weight: 700;
      color: #ffffff;
    }
    .fission-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-fission-main {
      background: linear-gradient(135deg, #0284c7, #2563eb);
      color: #ffffff;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: 30px;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
      transition: var(--transition);
    }
    .btn-fission-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
      color: #ffffff;
    }
    .fission-tip {
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* 板块2: 卖点三连 - 核心画质架构 */
    .specs-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .spec-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 35px 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .spec-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }
    .spec-icon-box {
      width: 54px;
      height: 54px;
      border-radius: 12px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 22px;
    }
    .spec-card h4 {
      font-size: 1.28rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .spec-card p {
      color: var(--text-muted);
      font-size: 0.96rem;
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .spec-features {
      list-style: none;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }
    .spec-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .spec-features li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
    }

    /* 板块3: 场景演示 - 跨端无缝投屏与视听体验 */
    .scene-demo-layout {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 45px;
      align-items: center;
    }
    .scene-demo-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .scene-demo-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .visual-overlay-tag {
      position: absolute;
      top: 18px;
      left: 18px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      color: #38bdf8;
      border: 1px solid rgba(56, 189, 248, 0.4);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 600;
    }
    .scene-demo-info h3 {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .scene-demo-info p {
      color: var(--text-muted);
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .scene-checklist {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 28px;
    }
    .scene-check-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: var(--bg-page);
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }
    .scene-check-item b {
      font-size: 0.95rem;
      color: var(--text-main);
      display: block;
    }
    .scene-check-item small {
      color: var(--text-muted);
      font-size: 0.82rem;
    }

    /* 板块4: 社会认同 - 剧迷实测反馈与播放口碑 */
    .feedback-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }
    .feedback-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .feedback-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .avatar-circ {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #3b82f6, #06b6d4);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .user-meta h5 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .feedback-body {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .feedback-rating {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
      font-size: 0.82rem;
      color: #f59e0b;
    }
    .feedback-rating span {
      color: var(--text-light);
    }

    /* 板块5: 对比差异 - 传统压缩源与自适应画质中心对比 */
    .compare-table-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, 
    .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .compare-table th {
      background-color: #f1f5f9;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table td.highlight-cell {
      background-color: #f0fdf4;
      color: #166534;
      font-weight: 600;
    }
    .compare-badge-good {
      display: inline-block;
      padding: 2px 8px;
      background: #dcfce7;
      color: #15803d;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 600;
      margin-left: 6px;
    }
    .compare-badge-bad {
      display: inline-block;
      padding: 2px 8px;
      background: #fee2e2;
      color: #b91c1c;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 600;
      margin-left: 6px;
    }

    /* 板块6: 资讯证据 - 画质调优与解码技术快讯 */
    .tech-evidence-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .evidence-item {
      display: flex;
      gap: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .evidence-thumb {
      width: 130px;
      height: 95px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      flex-shrink: 0;
    }
    .evidence-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .evidence-detail h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .evidence-detail p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 10px;
    }
    .evidence-meta {
      font-size: 0.8rem;
      color: var(--text-light);
      display: flex;
      gap: 15px;
    }

    /* 板块7: 异议拆解 - 常见播放疑问解答 */
    .faq-accordion-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 26px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q::before {
      content: "Q";
      display: inline-block;
      width: 26px;
      height: 26px;
      background: var(--primary-light);
      color: var(--primary);
      text-align: center;
      line-height: 26px;
      border-radius: 50%;
      font-size: 0.85rem;
      font-weight: bold;
    }
    .faq-a {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 36px;
    }

    /* 板块8: 保障条 - 影音服务四大承诺 */
    .guarantee-bar {
      background: linear-gradient(90deg, #1e293b, #0f172a);
      color: #ffffff;
      padding: 40px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
    }
    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .guarantee-icon {
      font-size: 2rem;
      color: var(--neon-color);
    }
    .guarantee-text h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .guarantee-text p {
      font-size: 0.82rem;
      color: #94a3b8;
      line-height: 1.4;
    }

    /* 底部固定转化条 */
    .fixed-action-bar {
      position: sticky;
      bottom: 0;
      z-index: 999;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(56, 189, 248, 0.3);
      padding: 14px 0;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
    }
    .fixed-bar-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .bar-text-group h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
    }
    .bar-text-group p {
      font-size: 0.85rem;
      color: #94a3b8;
    }
    .bar-btns {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-bar-primary {
      background: linear-gradient(135deg, #0284c7, #2563eb);
      color: #ffffff;
      padding: 9px 24px;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: 20px;
      transition: var(--transition);
      box-shadow: 0 0 12px rgba(37, 99, 235, 0.3);
    }
    .btn-bar-primary:hover {
      box-shadow: 0 0 18px rgba(37, 99, 235, 0.6);
      transform: translateY(-1px);
    }

    /* 页脚与响应式规范 */
    .site-footer {
      background-color: var(--nav-bg);
      color: #cbd5e1;
      padding: 60px 0 30px;
      border-top: 1px solid var(--nav-border);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 50px;
      margin-bottom: 45px;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-intro {
      font-size: 0.9rem;
      line-height: 1.8;
      color: #94a3b8;
      max-width: 460px;
    }
    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: var(--neon-color);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid var(--nav-border);
      padding-top: 25px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    @media (max-width: 1024px) {
      .specs-grid-3, .feedback-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-demo-layout {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-actions {
        display: none;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .fission-reward-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .specs-grid-3, .feedback-grid, .tech-evidence-grid {
        grid-template-columns: 1fr;
      }
      .scene-checklist {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
      }
      .fixed-bar-flex {
        flex-direction: column;
        text-align: center;
      }
      .section-padding {
        padding: 50px 0;
      }
    }