/* roulang page: index */
:root {
      --primary: #104273;
      --primary-dark: #092c4f;
      --primary-light: #2468aa;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-soft: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #cbd5e1;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
      --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
      --container-max: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; }
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }
    
    /* 导航系统：品牌行 + 频道横向排布 */
    .site-header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
    .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf2f7; }
    .brand-logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
    .brand-logo span { color: var(--accent); }
    .header-meta-action { display: flex; align-items: center; gap: 16px; }
    .quick-inquiry-btn { background: var(--primary); color: #fff; padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer; }
    .quick-inquiry-btn:hover { background: var(--primary-dark); }
    .channel-nav { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; padding: 4px 0; gap: 12px; }
    .nav-item { display: inline-block; padding: 10px 16px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; }
    .nav-item:hover, .nav-item.active { color: var(--primary); border-bottom-color: var(--primary); }
    
    /* 蓝图斜切 Hero：工业参数首屏 + 关键指标条 */
    .hero-skew {
      position: relative;
      background: linear-gradient(135deg, rgba(9,44,79,0.92) 0%, rgba(16,66,115,0.85) 100%), url('/assets/images/03ccc24dd8e6eb3d.webp') center/cover no-repeat;
      color: #ffffff;
      padding: 90px 0 120px;
      clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
    }
    .hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
    .hero-title { font-size: 2.4rem; font-weight: 800; line-height: 1.25; margin-bottom: 20px; }
    .hero-desc { font-size: 1.05rem; line-height: 1.7; color: #e2e8f0; margin-bottom: 30px; }
    .hero-actions { display: flex; gap: 16px; margin-bottom: 35px; }
    .btn-solid-primary { background: var(--accent); color: #fff; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem; border: none; cursor: pointer; box-shadow: var(--shadow-md); }
    .btn-solid-primary:hover { background: var(--accent-hover); }
    .btn-outline-white { border: 1px solid #cbd5e1; color: #fff; padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 600; }
    .btn-outline-white:hover { background: rgba(255,255,255,0.15); }
    .hero-kpi-bar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(8px); padding: 20px; border-radius: var(--radius-md); border: 1px solid rgba(255, 255, 255, 0.2); }
    .kpi-item h4 { font-size: 1.8rem; color: #f8fafc; font-weight: 800; }
    .kpi-item p { font-size: 0.85rem; color: #cbd5e1; }
    
    .hero-side-card { background: #ffffff; color: var(--text-main); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-lg); }
    .hero-side-card h3 { font-size: 1.2rem; margin-bottom: 15px; color: var(--primary); border-left: 4px solid var(--accent); padding-left: 10px; }
    .param-spec-list { font-size: 0.9rem; line-height: 1.9; color: var(--text-muted); }
    .param-spec-list strong { color: var(--text-main); }
    
    /* 统一 Section 基础 */
    section { padding: 75px 0; }
    .section-alt { background-color: #ffffff; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .section-header { text-align: left; max-width: 800px; margin-bottom: 45px; }
    .section-tag { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; color: var(--primary-light); margin-bottom: 8px; letter-spacing: 1px; display: inline-block; }
    .section-title { font-size: 1.85rem; font-weight: 800; color: var(--text-main); margin-bottom: 14px; line-height: 1.3; }
    .section-subtitle { font-size: 0.98rem; color: var(--text-muted); line-height: 1.6; }
    
    /* 1. 产线能力网格 */
    .capacity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .capacity-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); transition: transform 0.2s, box-shadow 0.2s; }
    .capacity-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
    .capacity-card img { border-radius: var(--radius-sm); margin-bottom: 18px; aspect-ratio: 16/9; object-fit: cover; }
    .capacity-card h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--primary); }
    .capacity-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.55; }

    /* 2. 技术参数表 */
    .specs-table-wrapper { overflow-x: auto; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); }
    .specs-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.92rem; }
    .specs-table th { background: var(--bg-soft); padding: 14px 18px; font-weight: 700; color: var(--primary-dark); border-bottom: 1px solid var(--border-color); }
    .specs-table td { padding: 14px 18px; border-bottom: 1px solid #edf2f7; color: var(--text-muted); }
    .specs-table tr:hover td { background: #f8fafc; color: var(--text-main); }
    .specs-table .status-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 600; background: #e0f2fe; color: #0284c7; }

    /* 3. 案例现场 */
    .case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .case-item { background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-color); display: flex; flex-direction: column; }
    .case-item img { height: 240px; width: 100%; object-fit: cover; }
    .case-body { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
    .case-body h3 { font-size: 1.2rem; color: var(--primary-dark); margin-bottom: 12px; }
    .case-body p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 16px; }
    .case-meta { font-size: 0.85rem; color: var(--text-muted); border-top: 1px dashed var(--border-color); padding-top: 12px; display: flex; justify-content: space-between; }

    /* 4. 交付流程 */
    .process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
    .process-step { background: #ffffff; padding: 22px; border-radius: var(--radius-md); border-top: 4px solid var(--primary); box-shadow: var(--shadow-sm); }
    .step-num { font-size: 1.5rem; font-weight: 800; color: var(--primary-light); margin-bottom: 8px; }
    .process-step h4 { font-size: 1.05rem; margin-bottom: 10px; color: var(--text-main); }
    .process-step p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; }

    /* 5. 资讯与行业深度报告 */
    .news-list-grid { display: grid; grid-template-columns: 2fr 1.2fr; gap: 30px; }
    .news-featured { background: #fff; border-radius: var(--radius-md); border: 1px solid var(--border-color); padding: 24px; }
    .news-featured h3 { font-size: 1.3rem; margin: 15px 0 10px; color: var(--primary); }
    .news-featured p { font-size: 0.94rem; color: var(--text-muted); margin-bottom: 16px; }
    .news-side-list { display: flex; flex-direction: column; gap: 16px; }
    .news-side-card { background: #fff; padding: 18px; border-radius: var(--radius-md); border: 1px solid var(--border-color); }
    .news-side-card h4 { font-size: 0.98rem; margin-bottom: 8px; color: var(--text-main); line-height: 1.4; }
    .news-side-card p { font-size: 0.85rem; color: var(--text-muted); }

    /* 6. 合作伙伴矩阵 */
    .partner-matrix { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
    .partner-box { background: #fff; border: 1px solid var(--border-color); padding: 16px; text-align: center; font-size: 0.9rem; font-weight: 600; color: var(--text-muted); border-radius: var(--radius-sm); }
    .partner-box:hover { border-color: var(--primary); color: var(--primary); }

    /* 7. 质量保证体系 (可选补充板块) */
    .assurance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .assurance-card { text-align: center; padding: 24px 16px; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--border-color); }
    .assurance-card .icon-label { width: 44px; height: 44px; line-height: 44px; background: #e0f2fe; color: var(--primary); border-radius: 50%; margin: 0 auto 12px; font-weight: 800; font-size: 1.2rem; }
    .assurance-card h4 { font-size: 1rem; margin-bottom: 6px; }
    .assurance-card p { font-size: 0.85rem; color: var(--text-muted); }

    /* 8. 适用场景矩阵 (可选补充板块) */
    .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .scenario-card { background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 20px; border-left: 5px solid var(--accent); }
    .scenario-card h4 { font-size: 1.05rem; margin-bottom: 8px; color: var(--text-main); }
    .scenario-card p { font-size: 0.88rem; color: var(--text-muted); }

    /* 9. 询盘与工程对接表单 */
    .inquiry-section { background: #ffffff; border-radius: var(--radius-md); border: 1px solid var(--border-color); padding: 40px; box-shadow: var(--shadow-md); }
    .inquiry-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
    .inquiry-info h3 { font-size: 1.6rem; color: var(--primary); margin-bottom: 14px; }
    .inquiry-info p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 24px; line-height: 1.7; }
    .inquiry-contact-item { margin-bottom: 14px; font-size: 0.92rem; color: var(--text-main); }
    .inquiry-contact-item strong { color: var(--primary); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { display: flex; flex-direction: column; gap: 6px; }
    .form-group.full { grid-column: span 2; }
    .form-group label { font-size: 0.88rem; font-weight: 600; color: var(--text-main); }
    .form-group input, .form-group select, .form-group textarea { padding: 10px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); font-size: 0.9rem; outline: none; }
    .form-group input:focus, .form-group textarea:focus { border-color: var(--primary); ring: 2px rgba(16,66,115,0.2); }
    .form-submit-btn { grid-column: span 2; background: var(--primary); color: #fff; padding: 12px; border-radius: var(--radius-sm); font-weight: 700; border: none; cursor: pointer; transition: background 0.2s; }
    .form-submit-btn:hover { background: var(--primary-dark); }

    /* 统一页脚 */
    .site-footer { background: #0f172a; color: #94a3b8; padding: 60px 0 30px; font-size: 0.9rem; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
    .footer-col h5 { color: #f8fafc; font-size: 1.05rem; margin-bottom: 18px; font-weight: 700; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a:hover { color: #ffffff; }
    .footer-bottom { border-top: 1px solid #334155; padding-top: 25px; text-align: center; font-size: 0.82rem; color: #64748b; }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .capacity-grid { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .partner-matrix { grid-template-columns: repeat(3, 1fr); }
      .assurance-grid { grid-template-columns: repeat(2, 1fr); }
      .scenario-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .hero-skew { padding: 60px 0 80px; clip-path: none; }
      .hero-title { font-size: 1.85rem; }
      .hero-kpi-bar { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .news-list-grid { grid-template-columns: 1fr; }
      .inquiry-layout { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .form-group.full { grid-column: span 1; }
      .form-submit-btn { grid-column: span 1; }
      .capacity-grid { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .scenario-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }

/* roulang page: category2 */
:root {
            --primary: #104273;
            --primary-dark: #092c4f;
            --primary-light: #2468aa;
            --accent: #d97706;
            --accent-hover: #b45309;
            --bg-base: #f8fafc;
            --bg-card: #ffffff;
            --bg-soft: #f1f5f9;
            --text-main: #0f172a;
            --text-muted: #475569;
            --border-color: #cbd5e1;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
            --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
            --container-max: 1200px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--text-main);
            background-color: var(--bg-base);
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

        /* 统一顶栏 */
        .site-header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
        .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf2f7; }
        .brand-logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
        .brand-logo span { color: var(--accent); }
        .header-meta-action { display: flex; align-items: center; gap: 16px; }
        .quick-inquiry-btn { background: var(--primary); color: #fff; padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer; }
        .quick-inquiry-btn:hover { background: var(--primary-dark); }
        .channel-nav { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; padding: 4px 0; gap: 12px; }
        .nav-item { display: inline-block; padding: 10px 16px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; }
        .nav-item:hover, .nav-item.active { color: var(--primary); border-bottom-color: var(--primary); }

        /* 分类页 Hero：促销主视觉 + 爆炸贴 + 限时文案 + 强对比按钮 */
        .promo-hero-wrapper {
            position: relative;
            background: linear-gradient(135deg, rgba(9,44,79,0.96) 0%, rgba(16,66,115,0.9) 100%), url('/assets/images/707d06a8a2ef2bfb.webp') center/cover no-repeat;
            color: #ffffff;
            padding: 70px 0 85px;
            border-bottom: 4px solid var(--accent);
            overflow: hidden;
        }
        .promo-hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 40px; align-items: center; position: relative; }
        .badge-blast {
            display: inline-block;
            background: #ef4444;
            color: #ffffff;
            font-size: 0.85rem;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 0 15px rgba(239,68,68,0.5);
            margin-bottom: 18px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.04); } 100% { transform: scale(1); } }
        .promo-hero-title { font-size: 2.35rem; font-weight: 800; line-height: 1.25; margin-bottom: 18px; }
        .promo-hero-title em { color: #f59e0b; font-style: normal; }
        .promo-countdown-strip {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(0,0,0,0.35);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 24px;
            font-size: 0.92rem;
            color: #fde68a;
        }
        .promo-desc { font-size: 1.05rem; line-height: 1.7; color: #e2e8f0; margin-bottom: 30px; }
        .hero-action-group { display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-strong-cta { background: #f59e0b; color: #092c4f; font-weight: 800; font-size: 1.05rem; padding: 14px 32px; border-radius: var(--radius-sm); box-shadow: 0 4px 14px rgba(245,158,11,0.4); text-transform: uppercase; }
        .btn-strong-cta:hover { background: #d97706; color: #ffffff; }
        .btn-outline-contrast { border: 2px solid #ffffff; color: #ffffff; font-weight: 700; padding: 12px 26px; border-radius: var(--radius-sm); }
        .btn-outline-contrast:hover { background: #ffffff; color: var(--primary); }

        .hero-panel-specs {
            background: #ffffff;
            color: var(--text-main);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border-top: 5px solid var(--accent);
        }
        .hero-panel-specs h3 { font-size: 1.25rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
        .tech-meter-list { display: flex; flex-direction: column; gap: 14px; font-size: 0.9rem; }
        .meter-bar-label { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 4px; }
        .meter-track { height: 8px; background: #e2e8f0; border-radius: 4px; overflow: hidden; }
        .meter-fill { height: 100%; background: var(--primary-light); border-radius: 4px; }

        /* 通用板块与排版 */
        section { padding: 65px 0; }
        .section-alt { background-color: #ffffff; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
        .section-header { text-align: left; max-width: 820px; margin-bottom: 40px; }
        .section-tag { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; color: var(--primary); letter-spacing: 1px; display: inline-block; margin-bottom: 6px; }
        .section-title { font-size: 1.85rem; font-weight: 800; color: var(--text-main); margin-bottom: 12px; line-height: 1.3; }
        .section-subtitle { font-size: 0.98rem; color: var(--text-muted); line-height: 1.6; }

        /* 1. 核心技术指标看板 */
        .dash-metric-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .dash-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 22px; box-shadow: var(--shadow-sm); position: relative; border-left: 4px solid var(--primary); }
        .dash-num { font-size: 2.1rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 6px; }
        .dash-unit { font-size: 0.9rem; font-weight: 600; color: var(--accent); margin-left: 4px; }
        .dash-name { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
        .dash-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

        /* 2. 视觉工位全维配置矩阵 (不对称流) */
        .workstation-matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
        .matrix-media { position: relative; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
        .matrix-media img { width: 100%; height: 380px; object-fit: cover; }
        .matrix-tag-float { position: absolute; bottom: 16px; left: 16px; background: rgba(15,23,42,0.85); color: #fff; padding: 6px 14px; border-radius: var(--radius-sm); font-size: 0.82rem; backdrop-filter: blur(4px); }
        .matrix-list { display: flex; flex-direction: column; gap: 20px; }
        .matrix-item { display: flex; gap: 16px; background: #ffffff; padding: 18px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); }
        .matrix-icon-box { flex-shrink: 0; width: 44px; height: 44px; background: #e0f2fe; color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 800; border-radius: var(--radius-sm); font-size: 1.1rem; }
        .matrix-content h4 { font-size: 1.05rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 6px; }
        .matrix-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.55; }

        /* 3. 动态对比表 */
        .contrast-table-box { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
        .table-custom { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.92rem; }
        .table-custom th { background: #0f172a; color: #ffffff; padding: 16px 20px; font-weight: 700; }
        .table-custom td { padding: 16px 20px; border-bottom: 1px solid #e2e8f0; color: var(--text-main); }
        .table-custom tr:nth-child(even) td { background-color: #f8fafc; }
        .highlight-cell { color: var(--primary); font-weight: 700; background: #eff6ff !important; }

        /* 4. 深度工程实录 */
        .log-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .log-box { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 24px; position: relative; }
        .log-step-badge { display: inline-block; font-size: 0.75rem; font-weight: 800; background: #e2e8f0; color: #334155; padding: 3px 10px; border-radius: 12px; margin-bottom: 12px; }
        .log-box h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
        .log-box p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

        /* 5. 砖码标准互通网格 */
        .standard-layout-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .std-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; }
        .std-card img { height: 180px; width: 100%; object-fit: cover; }
        .std-card-body { padding: 20px; }
        .std-card-body h4 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
        .std-card-body p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 14px; }
        .std-attr-row { font-size: 0.82rem; color: #64748b; border-top: 1px dashed #cbd5e1; padding-top: 10px; }

        /* 6. 在线需求直通表单 */
        .inquiry-panel-wrap { background: linear-gradient(135deg, #092c4f 0%, #104273 100%); color: #fff; border-radius: var(--radius-lg); padding: 48px; box-shadow: var(--shadow-lg); }
        .inquiry-split-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
        .inquiry-left h3 { font-size: 1.75rem; font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
        .inquiry-left p { font-size: 0.95rem; color: #cbd5e1; line-height: 1.65; margin-bottom: 24px; }
        .inquiry-hotline { font-size: 1.3rem; font-weight: 800; color: #f59e0b; }
        .inquiry-form { display: flex; flex-direction: column; gap: 16px; }
        .form-row-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
        .inquiry-form input, .inquiry-form select, .inquiry-form textarea {
            width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid #475569; background: #ffffff; color: #0f172a; font-size: 0.92rem; outline: none;
        }
        .inquiry-form input:focus, .inquiry-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(217,119,6,0.2); }
        .form-submit-btn { background: var(--accent); color: #fff; font-weight: 800; border: none; padding: 14px; border-radius: var(--radius-sm); cursor: pointer; font-size: 1rem; transition: background 0.2s; }
        .form-submit-btn:hover { background: var(--accent-hover); }

        /* 统一页脚 */
        .site-footer { background: #0f172a; color: #94a3b8; padding: 60px 0 24px; font-size: 0.9rem; border-top: 4px solid var(--primary); }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
        .footer-col h5 { color: #f8fafc; font-size: 1.05rem; font-weight: 700; margin-bottom: 18px; border-bottom: 2px solid var(--accent); padding-bottom: 6px; display: inline-block; }
        .footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
        .footer-links a:hover { color: #f8fafc; text-decoration: underline; }
        .footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; text-align: center; font-size: 0.85rem; color: #64748b; }

        /* 移动端响应式 */
        @media (max-width: 1024px) {
            .dash-metric-board { grid-template-columns: repeat(2, 1fr); }
            .workstation-matrix { grid-template-columns: 1fr; }
            .standard-layout-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .promo-hero-grid { grid-template-columns: 1fr; }
            .log-timeline { grid-template-columns: 1fr; }
            .inquiry-split-grid { grid-template-columns: 1fr; }
            .form-row-duo { grid-template-columns: 1fr; }
            .standard-layout-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .channel-nav { padding-bottom: 8px; }
            .promo-hero-title { font-size: 1.85rem; }
        }

/* roulang page: category1 */
:root {
        --primary: #104273;
        --primary-dark: #092c4f;
        --primary-light: #2468aa;
        --accent: #d97706;
        --accent-hover: #b45309;
        --bg-base: #f8fafc;
        --bg-card: #ffffff;
        --bg-soft: #f1f5f9;
        --text-main: #0f172a;
        --text-muted: #475569;
        --border-color: #cbd5e1;
        --radius-sm: 4px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
        --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
        --container-max: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.6;
        color: var(--text-main);
        background-color: var(--bg-base);
        -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

    /* 全局统一导航 */
    .site-header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
    .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf2f7; }
    .brand-logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
    .brand-logo span { color: var(--accent); }
    .header-meta-action { display: flex; align-items: center; gap: 16px; }
    .quick-inquiry-btn { background: var(--primary); color: #fff; padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer; display: inline-block; }
    .quick-inquiry-btn:hover { background: var(--primary-dark); }
    .channel-nav { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; padding: 4px 0; gap: 12px; }
    .nav-item { display: inline-block; padding: 10px 16px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; }
    .nav-item:hover, .nav-item.active { color: var(--primary); border-bottom-color: var(--primary); }

    /* 蓝图要求：创作者主页头图风格分类 Hero */
    .creator-profile-hero {
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 30px;
    }
    .profile-banner {
        height: 240px;
        background: linear-gradient(135deg, rgba(16,66,115,0.85), rgba(9,44,79,0.95)), url('/assets/images/707d06a8a2ef2bfb.webp') center/cover no-repeat;
        position: relative;
    }
    .profile-meta-wrap {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        margin-top: -60px;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--border-color);
    }
    .profile-identity {
        display: flex;
        align-items: flex-end;
        gap: 24px;
    }
    .profile-avatar-box {
        width: 120px;
        height: 120px;
        border-radius: var(--radius-md);
        border: 4px solid #ffffff;
        background: #fff;
        overflow: hidden;
        box-shadow: var(--shadow-md);
        flex-shrink: 0;
    }
    .profile-avatar-box img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .profile-name-area h1 {
        font-size: 1.85rem;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .profile-badge-row {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .badge-tag {
        font-size: 0.78rem;
        font-weight: 700;
        padding: 3px 10px;
        border-radius: var(--radius-sm);
        background: #e2e8f0;
        color: var(--text-muted);
    }
    .badge-tag.highlight {
        background: #fef3c7;
        color: #b45309;
        border: 1px solid #fde68a;
    }
    .profile-action-area {
        display: flex;
        gap: 12px;
    }
    .btn-follow {
        background: var(--primary);
        color: #ffffff;
        padding: 10px 22px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.92rem;
        display: inline-block;
    }
    .btn-follow:hover { background: var(--primary-dark); }
    .btn-contact {
        background: #ffffff;
        color: var(--text-main);
        border: 1px solid var(--border-color);
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.92rem;
        display: inline-block;
    }
    .btn-contact:hover { background: var(--bg-soft); }
    .profile-summary-box {
        margin-top: 24px;
        max-width: 980px;
    }
    .profile-summary-text {
        font-size: 1rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* 蓝图：数据驱动流体系 Section 样式 */
    section { padding: 65px 0; }
    .section-alt { background-color: #ffffff; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .section-header { margin-bottom: 35px; }
    .section-tag { font-size: 0.8rem; font-weight: 700; color: var(--primary-light); margin-bottom: 6px; display: inline-block; letter-spacing: 0.5px; }
    .section-title { font-size: 1.75rem; font-weight: 800; color: var(--text-main); margin-bottom: 10px; }
    .section-subtitle { font-size: 0.95rem; color: var(--text-muted); line-height: 1.6; }

    /* 板块1：指标看板 (Metrics Board) */
    .metric-board-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .metric-card {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 22px;
        box-shadow: var(--shadow-sm);
        border-top: 4px solid var(--primary);
    }
    .metric-val {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary-dark);
        line-height: 1.1;
        margin-bottom: 6px;
    }
    .metric-val span { font-size: 1rem; font-weight: 600; color: var(--accent); }
    .metric-label { font-size: 0.92rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
    .metric-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

    /* 板块2：服务矩阵 (Service & Material Matrix) */
    .matrix-showcase {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .matrix-col {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        display: flex;
        flex-direction: column;
    }
    .matrix-col-img {
        height: 190px;
        width: 100%;
        object-fit: cover;
    }
    .matrix-col-body {
        padding: 24px;
        flex-grow: 1;
    }
    .matrix-col-body h3 {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
    }
    .matrix-col-body p {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 16px;
    }
    .matrix-prop-list {
        list-style: none;
        padding-top: 12px;
        border-top: 1px dashed var(--border-color);
    }
    .matrix-prop-list li {
        font-size: 0.85rem;
        color: var(--text-main);
        margin-bottom: 6px;
        display: flex;
        justify-content: space-between;
    }
    .matrix-prop-list li span { color: var(--text-muted); }

    /* 板块3：结果对比 (Parameter Benchmark) */
    .benchmark-table-box {
        background: #ffffff;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
        overflow-x: auto;
    }
    .benchmark-table {
        width: 100%;
        border-collapse: collapse;
        text-align: left;
        font-size: 0.9rem;
    }
    .benchmark-table th {
        background: #f8fafc;
        padding: 16px 20px;
        font-weight: 700;
        color: var(--primary);
        border-bottom: 2px solid var(--border-color);
    }
    .benchmark-table td {
        padding: 16px 20px;
        border-bottom: 1px solid #e2e8f0;
        color: var(--text-main);
    }
    .benchmark-table tr:hover { background: #fdfdfd; }
    .tag-diff-opt {
        display: inline-block;
        background: #ecfdf5;
        color: #047857;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.78rem;
        font-weight: 600;
    }

    /* 板块4：生产与溯源里程碑 (Milestones Timeline) */
    .timeline-stream {
        position: relative;
        padding: 20px 0;
    }
    .timeline-stream::before {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        left: 24px;
        width: 3px;
        background: #cbd5e1;
    }
    .timeline-node {
        position: relative;
        padding-left: 65px;
        margin-bottom: 35px;
    }
    .timeline-node:last-child { margin-bottom: 0; }
    .node-pin {
        position: absolute;
        left: 14px;
        top: 2px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--accent);
        border: 4px solid #fff;
        box-shadow: 0 0 0 2px var(--accent);
    }
    .node-content {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 20px;
        box-shadow: var(--shadow-sm);
    }
    .node-title-bar {
        display: flex;
        justify-content: space-between;
        margin-bottom: 8px;
    }
    .node-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--primary);
    }
    .node-date {
        font-size: 0.82rem;
        color: var(--accent);
        font-weight: 700;
    }
    .node-desc {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* 板块5：特种资讯列表 (Spec Technical News) */
    .article-block-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .spec-news-item {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 22px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        transition: transform 0.2s, box-shadow 0.2s;
    }
    .spec-news-item:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
        border-color: var(--primary-light);
    }
    .news-item-head {
        margin-bottom: 12px;
    }
    .news-category-badge {
        font-size: 0.75rem;
        background: #e0f2fe;
        color: #0369a1;
        padding: 2px 8px;
        border-radius: 4px;
        font-weight: 600;
        display: inline-block;
        margin-bottom: 8px;
    }
    .news-title {
        font-size: 1.12rem;
        font-weight: 700;
        color: var(--text-main);
        line-height: 1.4;
    }
    .news-snippet {
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 16px;
    }
    .news-foot-meta {
        font-size: 0.82rem;
        color: #94a3b8;
        display: flex;
        justify-content: space-between;
        border-top: 1px solid #f1f5f9;
        padding-top: 10px;
    }

    /* 板块6：平台质控保障 (Quality & Platform Assurance) */
    .assurance-flow {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .assurance-box {
        background: #f8fafc;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 24px;
        text-align: center;
    }
    .assurance-num {
        font-size: 1.8rem;
        font-weight: 900;
        color: var(--primary-light);
        margin-bottom: 8px;
    }
    .assurance-title {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }
    .assurance-text {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.55;
    }

    /* 板块7：快速技术解答 (Quick Solution Accordion / List) */
    .quick-faq-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .q-card {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 22px;
    }
    .q-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 8px;
        display: flex;
        gap: 10px;
        align-items: center;
    }
    .q-tag {
        background: var(--accent);
        color: #fff;
        font-size: 0.72rem;
        font-weight: 700;
        padding: 2px 6px;
        border-radius: 3px;
    }
    .q-desc {
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* 板块8：规格参数转化与定制工单 (Form Conversion Section) */
    .inquiry-container-box {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        padding: 40px;
    }
    .inquiry-grid {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 40px;
        align-items: center;
    }
    .inquiry-intro h3 {
        font-size: 1.6rem;
        color: var(--primary);
        margin-bottom: 12px;
        font-weight: 800;
    }
    .inquiry-intro p {
        font-size: 0.92rem;
        color: var(--text-muted);
        line-height: 1.65;
        margin-bottom: 20px;
    }
    .inquiry-form-fields {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .form-group-full {
        grid-column: span 2;
    }
    .form-input-control {
        width: 100%;
        padding: 12px 14px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        font-size: 0.9rem;
        background: #fdfdfd;
        color: var(--text-main);
    }
    .form-input-control:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(16,66,115,0.1);
    }
    .btn-submit-action {
        width: 100%;
        background: var(--accent);
        color: #ffffff;
        font-weight: 700;
        border: none;
        padding: 13px 20px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        font-size: 1rem;
        transition: background 0.2s;
    }
    .btn-submit-action:hover {
        background: var(--accent-hover);
    }

    /* 全局统一页脚 */
    .site-footer {
        background: #092c4f;
        color: #cbd5e1;
        padding: 60px 0 30px;
        font-size: 0.9rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid #1e3a5f;
    }
    .footer-col h5 {
        color: #ffffff;
        font-size: 1.05rem;
        margin-bottom: 18px;
        font-weight: 700;
    }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a:hover { color: #ffffff; text-decoration: underline; }
    .footer-bottom {
        padding-top: 25px;
        text-align: center;
        font-size: 0.82rem;
        color: #94a3b8;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
        .metric-board-grid { grid-template-columns: repeat(2, 1fr); }
        .matrix-showcase { grid-template-columns: repeat(2, 1fr); }
        .assurance-flow { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
        .profile-meta-wrap { flex-direction: column; align-items: flex-start; gap: 16px; }
        .profile-action-area { width: 100%; }
        .profile-action-area a { flex: 1; text-align: center; }
        .matrix-showcase { grid-template-columns: 1fr; }
        .article-block-list { grid-template-columns: 1fr; }
        .quick-faq-grid { grid-template-columns: 1fr; }
        .inquiry-grid { grid-template-columns: 1fr; }
        .inquiry-form-fields { grid-template-columns: 1fr; }
        .form-group-full { grid-column: span 1; }
        .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
        .metric-board-grid { grid-template-columns: 1fr; }
        .assurance-flow { grid-template-columns: 1fr; }
        .hero-title { font-size: 1.8rem; }
    }

/* roulang page: index */
:root {
            --primary: #1e40af;
            --primary-hover: #1d4ed8;
            --primary-light: #eff6ff;
            --secondary: #0ea5e9;
            --accent: #f59e0b;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --text-light: #94a3b8;
            --bg-page: #f8fafc;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-page);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 频道导航 */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }
        .header-status {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background: #10b981;
            border-radius: 50%;
            display: inline-block;
            margin-right: 6px;
        }
        .header-channel-bar {
            display: flex;
            gap: 28px;
            overflow-x: auto;
            white-space: nowrap;
            padding: 12px 0;
        }
        .channel-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 6px;
            transition: all 0.2s ease;
        }
        .channel-link:hover, .channel-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        /* 基础 Section */
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-alt {
            background-color: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-header {
            margin-bottom: 40px;
            max-width: 800px;
        }
        .section-tag {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 按钮与徽章 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
        }

        /* Hero: 工业参数首屏 + 斜切与指标 */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #ffffff;
            padding: 90px 0 130px;
            overflow: hidden;
        }
        .hero-bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/03ccc24dd8e6eb3d.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 880px;
        }
        .hero-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #ffffff;
            letter-spacing: -0.5px;
        }
        .hero-lead {
            font-size: 16px;
            line-height: 1.8;
            color: #cbd5e1;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 48px;
        }
        .hero-metrics-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            padding: 24px;
            border-radius: var(--radius-lg);
        }
        .metric-item h4 {
            font-size: 26px;
            font-weight: 700;
            color: #38bdf8;
            margin-bottom: 4px;
        }
        .metric-item p {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.4;
        }
        .hero-skew-divider {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 50px;
            background: var(--bg-page);
            clip-path: polygon(0 100%, 100% 100%, 100% 0);
        }

        /* 网格卡片系统 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            align-items: center;
        }

        .custom-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
        }
        .custom-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #cbd5e1;
        }
        .card-header-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 参数表组件 */
        .specs-table-wrapper {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }
        .specs-table th {
            background: #f8fafc;
            padding: 16px 20px;
            font-weight: 700;
            color: var(--text-dark);
            border-bottom: 1px solid var(--border-color);
        }
        .specs-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-muted);
        }
        .specs-table tr:last-child td {
            border-bottom: none;
        }
        .specs-table tr:hover td {
            background: #f1f5f9;
        }

        /* 案例现场图文展示 */
        .case-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .case-thumb {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .case-body {
            padding: 24px;
        }
        .case-tag {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        /* 流程步骤 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .step-box {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
        }
        .step-number {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 16px;
        }

        /* 资讯精选条目 */
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: all 0.2s ease;
        }
        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .news-snippet {
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-meta {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            margin-left: 20px;
        }

        /* 合作伙伴标示 */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .partner-item {
            background: #ffffff;
            border: 1px dashed var(--border-color);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            font-weight: 700;
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 询盘交互表单 */
        .inquiry-panel {
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
            border-radius: var(--radius-xl);
            padding: 48px;
            color: #ffffff;
            box-shadow: var(--shadow-xl);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 24px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group.full {
            grid-column: span 2;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: #e2e8f0;
        }
        .form-input {
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.1);
            color: #ffffff;
            outline: none;
            font-size: 14px;
        }
        .form-input:focus {
            border-color: #38bdf8;
            background: rgba(255,255,255,0.15);
        }
        .form-input::placeholder {
            color: #94a3b8;
        }

        /* 浮动转化条 */
        .sticky-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 0;
            z-index: 99;
        }
        .sticky-action-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .sticky-action-text {
            color: #f8fafc;
            font-size: 14px;
        }
        .sticky-action-text strong {
            color: #38bdf8;
        }

        /* 尾部 */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 90px;
            font-size: 14px;
            border-top: 1px solid #1e293b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid #1e293b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .grid-4, .process-steps, .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-metrics-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-3, .grid-2 {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full {
                grid-column: span 1;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .sticky-action-bar {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #104273;
      --primary-dark: #092c4f;
      --primary-light: #2468aa;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-soft: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #cbd5e1;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
      --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
      --container-max: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

    /* 统一导航栏 */
    .site-header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
    .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf2f7; }
    .logo-wrap { display: flex; align-items: center; gap: 10px; }
    .logo-icon { width: 32px; height: 32px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: bold; border-radius: var(--radius-sm); font-size: 16px; }
    .logo-text { font-size: 1.25rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
    .header-status { display: flex; align-items: center; gap: 16px; font-size: 0.88rem; color: var(--text-muted); }
    .status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #10b981; margin-right: 6px; box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
    .btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; text-align: center; border-radius: var(--radius-sm); cursor: pointer; transition: all 0.2s ease; text-decoration: none; }
    .btn-primary { background: var(--primary); color: #ffffff; border: 1px solid var(--primary); }
    .btn-primary:hover { background: var(--primary-dark); }
    .btn-accent { background: var(--accent); color: #ffffff; border: 1px solid var(--accent); }
    .btn-accent:hover { background: var(--accent-hover); }
    .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
    .btn-outline:hover { background: var(--primary); color: #ffffff; }
    .header-channel-bar { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; padding: 6px 0; gap: 8px; }
    .channel-link { display: inline-block; padding: 8px 16px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; }
    .channel-link:hover, .channel-link.active { color: var(--primary); border-bottom-color: var(--primary); }

    /* 通用板块与排版 */
    section { padding: 68px 0; }
    .section-alt { background-color: #ffffff; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .section-intro { margin-bottom: 40px; }
    .section-tag { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; color: var(--primary-light); margin-bottom: 8px; letter-spacing: 1px; display: inline-block; }
    .section-title { font-size: 1.85rem; font-weight: 800; color: var(--text-main); line-height: 1.3; margin-bottom: 10px; }
    .section-desc { font-size: 0.96rem; color: var(--text-muted); line-height: 1.6; max-width: 820px; }

    /* Hero：促销主视觉 + 角标/爆炸贴 + 限时升级 + 强对比按钮 */
    .hero-promo {
      position: relative;
      background: linear-gradient(135deg, rgba(9, 44, 79, 0.95) 0%, rgba(16, 66, 115, 0.88) 100%), url('/assets/images/707d06a8a2ef2bfb.webp') center/cover no-repeat;
      color: #ffffff;
      padding: 80px 0;
      overflow: hidden;
    }
    .hero-badge-ribbon {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: #ffffff;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 20px;
      box-shadow: 0 4px 12px rgba(217,119,6,0.3);
      margin-bottom: 20px;
      text-transform: uppercase;
    }
    .hero-badge-ribbon span.burst { background: #ef4444; padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; }
    .hero-layout { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 40px; align-items: center; }
    .hero-headline { font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 18px; letter-spacing: -0.5px; }
    .hero-lead { font-size: 1.05rem; color: #e2e8f0; line-height: 1.7; margin-bottom: 26px; }
    .hero-timer-box {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius-md);
      padding: 14px 20px;
      display: inline-flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 28px;
    }
    .timer-text { font-size: 0.88rem; color: #cbd5e1; }
    .timer-val { font-size: 1.1rem; font-weight: 800; color: #fbbf24; font-family: monospace; }
    .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
    .hero-media-panel {
      position: relative;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-lg);
    }
    .hero-media-panel img { border-radius: var(--radius-md); width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .hero-burst-tag {
      position: absolute;
      top: -12px;
      right: -12px;
      background: #dc2626;
      color: #fff;
      font-weight: 800;
      font-size: 0.85rem;
      padding: 8px 14px;
      border-radius: 30px;
      box-shadow: 0 4px 14px rgba(220,38,38,0.4);
      transform: rotate(6deg);
    }

    /* 变体板块 1：指标看板 */
    .kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .kpi-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      text-align: left;
      border-top: 4px solid var(--primary);
    }
    .kpi-num { font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 6px; }
    .kpi-label { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
    .kpi-desc { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; }

    /* 变体板块 2：服务矩阵 */
    .matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }
    .matrix-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
    .matrix-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
    .matrix-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 18px; }
    .matrix-tags { display: flex; flex-wrap: wrap; gap: 6px; }
    .matrix-tag-pill { background: var(--bg-soft); color: var(--primary-dark); font-size: 0.78rem; font-weight: 600; padding: 4px 10px; border-radius: 4px; }

    /* 变体板块 3：结果对比（Table 强化现代排版） */
    .compare-container {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      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 22px; font-size: 0.92rem; border-bottom: 1px solid #edf2f7; }
    .compare-table th { background: #f8fafc; font-weight: 700; color: var(--text-main); }
    .compare-table td.highlight { background: #eff6ff; font-weight: 700; color: var(--primary); }
    .badge-check { display: inline-block; background: #dcfce7; color: #166534; font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; }

    /* 变体板块 4：里程碑 */
    .timeline-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
    .timeline-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      position: relative;
    }
    .timeline-card::after {
      content: "";
      position: absolute;
      top: -6px;
      left: 20px;
      width: 12px;
      height: 12px;
      background: var(--accent);
      border-radius: 50%;
    }
    .timeline-step { font-size: 0.8rem; font-weight: 800; color: var(--accent); text-transform: uppercase; margin-bottom: 6px; }
    .timeline-title { font-size: 1.05rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
    .timeline-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

    /* 变体板块 5：资讯列表 */
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .news-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-item img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
    .news-content { padding: 20px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
    .news-date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
    .news-heading { font-size: 1.05rem; font-weight: 700; color: var(--text-main); line-height: 1.4; margin-bottom: 10px; }
    .news-snippet { font-size: 0.86rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
    .news-link { font-size: 0.86rem; font-weight: 700; color: var(--primary); }

    /* 变体板块 6：平台保障 */
    .guarantee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .guarantee-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .guarantee-card h4 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
    .guarantee-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

    /* 变体板块 7：快速解答与 FAQ */
    .faq-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .faq-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q { font-size: 1.02rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
    .faq-q::before { content: "Q"; background: #eff6ff; color: var(--primary); font-weight: 800; font-size: 0.8rem; padding: 2px 7px; border-radius: 4px; }
    .faq-a { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

    /* 变体板块 8：转化表单 */
    .inquiry-wrapper {
      background: linear-gradient(135deg, #092c4f 0%, #104273 100%);
      border-radius: var(--radius-lg);
      padding: 45px 40px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }
    .inquiry-info h3 { font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; }
    .inquiry-info p { font-size: 0.92rem; color: #cbd5e1; line-height: 1.6; margin-bottom: 20px; }
    .inquiry-list li { list-style: none; font-size: 0.88rem; color: #e2e8f0; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
    .inquiry-list li::before { content: "✓"; color: #34d399; font-weight: bold; }
    .inquiry-form-card {
      background: #ffffff;
      color: var(--text-main);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-md);
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
    .form-group { margin-bottom: 14px; }
    .form-label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--text-main); margin-bottom: 5px; }
    .form-input {
      width: 100%;
      padding: 10px 14px;
      font-size: 0.9rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-input:focus { border-color: var(--primary); }

    /* 统一页脚 */
    .site-footer { background: #0b1320; color: #94a3b8; padding: 60px 0 25px; border-top: 1px solid #1e293b; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-logo { font-size: 1.25rem; font-weight: 800; color: #ffffff; margin-bottom: 14px; }
    .footer-title { font-size: 0.95rem; font-weight: 700; color: #ffffff; margin-bottom: 16px; letter-spacing: 0.5px; }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: #94a3b8; font-size: 0.88rem; }
    .footer-links a:hover { color: #ffffff; }
    .footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; }

    /* 响应式断点系统 */
    @media (max-width: 1024px) {
      .hero-layout { grid-template-columns: 1fr; }
      .kpi-grid { grid-template-columns: repeat(2, 1fr); }
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline-wrap { grid-template-columns: repeat(2, 1fr); }
      .inquiry-wrapper { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .matrix-grid, .news-grid, .guarantee-grid, .faq-layout { grid-template-columns: 1fr; }
      .timeline-wrap { grid-template-columns: 1fr; }
      .compare-container { overflow-x: auto; }
      .form-row { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    }
    @media (max-width: 520px) {
      .kpi-grid { grid-template-columns: 1fr; }
      .header-status { display: none; }
      .hero-headline { font-size: 1.85rem; }
      .hero-btns { flex-direction: column; width: 100%; }
      .hero-btns .btn { width: 100%; }
    }

/* roulang page: category1 */
:root {
      --primary: #104273;
      --primary-dark: #092c4f;
      --primary-light: #2468aa;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-soft: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #cbd5e1;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
      --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
      --container-max: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

    /* 顶部导航 */
    .site-header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
    .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf2f7; }
    .logo-wrap { display: flex; align-items: center; gap: 10px; }
    .logo-icon { width: 34px; height: 34px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; border-radius: var(--radius-sm); }
    .logo-text { font-size: 1.25rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
    .header-status { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); }
    .status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #10b981; margin-right: 6px; box-shadow: 0 0 0 2px rgba(16,185,129,0.2); }
    .btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all 0.2s ease; text-decoration: none; }
    .btn-primary { background: var(--primary); color: #ffffff; }
    .btn-primary:hover { background: var(--primary-dark); }
    .header-channel-bar { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; padding: 4px 0; gap: 12px; }
    .channel-link { display: inline-block; padding: 10px 16px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; }
    .channel-link:hover, .channel-link.active { color: var(--primary); border-bottom-color: var(--primary); }

    /* 蓝图：创作者主页头图形态 Hero */
    .creator-hero-wrapper {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .creator-cover-banner {
      height: 240px;
      width: 100%;
      background: linear-gradient(120deg, rgba(9,44,79,0.85) 0%, rgba(16,66,115,0.7) 100%), url('/assets/images/707d06a8a2ef2bfb.webp') center/cover no-repeat;
      position: relative;
    }
    .creator-profile-bar {
      margin-top: -60px;
      padding-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
    }
    .creator-avatar-wrap {
      display: flex;
      align-items: flex-end;
      gap: 20px;
    }
    .creator-avatar {
      width: 120px;
      height: 120px;
      border-radius: var(--radius-md);
      border: 4px solid #ffffff;
      background: var(--primary);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      flex-shrink: 0;
    }
    .creator-avatar img { width: 100%; height: 100%; object-fit: cover; }
    .creator-identity h1 { font-size: 1.85rem; font-weight: 800; color: var(--text-main); margin-bottom: 6px; }
    .creator-identity p { font-size: 0.95rem; color: var(--text-muted); }
    .creator-badges { display: flex; align-items: center; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
    .badge-chip { background: var(--bg-soft); border: 1px solid var(--border-color); padding: 4px 10px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 600; color: var(--primary-light); }
    .badge-chip.highlight { background: #fef3c7; border-color: #fde68a; color: #b45309; }
    .creator-actions { display: flex; align-items: center; gap: 14px; }
    .btn-follow { background: var(--accent); color: #fff; padding: 10px 22px; font-size: 14px; }
    .btn-follow:hover { background: var(--accent-hover); }
    .btn-outline { background: #fff; color: var(--text-main); border: 1px solid var(--border-color); padding: 10px 20px; font-size: 14px; }
    .btn-outline:hover { background: var(--bg-soft); }

    /* 通用Section结构：先标题/摘要，再主体，再CTA */
    section { padding: 60px 0; }
    .section-alt { background-color: #ffffff; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .section-lead { margin-bottom: 35px; border-bottom: 1px solid #e2e8f0; padding-bottom: 16px; }
    .section-tag { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--accent); letter-spacing: 0.5px; margin-bottom: 4px; display: block; }
    .section-title { font-size: 1.6rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 8px; }
    .section-summary { font-size: 0.96rem; color: var(--text-muted); max-width: 900px; }

    /* 板块 1：指标看板 */
    .metric-dashboard-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-stat-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      border-top: 4px solid var(--primary);
    }
    .metric-value { font-size: 2.1rem; font-weight: 800; color: var(--primary); line-height: 1.1; margin-bottom: 6px; }
    .metric-label { font-size: 0.9rem; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
    .metric-sub { font-size: 0.8rem; color: var(--text-muted); }

    /* 板块 2：服务矩阵 (卡片非对称式) */
    .matrix-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .matrix-card {
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
    }
    .matrix-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary-light); background: #ffffff; }
    .matrix-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
    .matrix-head h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); }
    .matrix-tag { font-size: 11px; background: #e0f2fe; color: #0369a1; padding: 2px 8px; border-radius: var(--radius-sm); font-weight: 600; }
    .matrix-desc { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 18px; line-height: 1.7; }
    .matrix-params { list-style: none; font-size: 0.85rem; border-top: 1px dashed var(--border-color); padding-top: 12px; }
    .matrix-params li { margin-bottom: 6px; display: flex; justify-content: space-between; }
    .matrix-params li span:first-child { color: var(--text-muted); }
    .matrix-params li span:last-child { font-weight: 600; color: var(--text-main); }

    /* 板块 3：结果对比 (技术规格对比清单) */
    .compare-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.9rem;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 14px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th { background: var(--bg-soft); color: var(--primary-dark); font-weight: 700; }
    .compare-table tr:last-child td { border-bottom: none; }
    .check-yes { color: #16a34a; font-weight: 700; }
    .check-no { color: #94a3b8; }

    /* 板块 4：里程碑与分发路径 */
    .milestone-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      position: relative;
    }
    .milestone-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .milestone-step {
      width: 28px;
      height: 28px;
      background: var(--primary-light);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .milestone-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
    .milestone-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

    /* 板块 5：资讯列表与图文切片 */
    .media-list-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .media-article-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      display: flex;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }
    .media-article-item:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
    .media-article-img { width: 160px; flex-shrink: 0; background: #e2e8f0; }
    .media-article-img img { width: 100%; height: 100%; object-fit: cover; }
    .media-article-content { padding: 18px; display: flex; flex-direction: column; justify-content: space-between; }
    .media-article-title { font-size: 1.05rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; line-height: 1.4; }
    .media-article-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 10px; }
    .media-article-meta { font-size: 0.75rem; color: #94a3b8; }

    /* 板块 6：平台保障体系 */
    .sla-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .sla-box {
      background: var(--bg-soft);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
    }
    .sla-box h4 { font-size: 1.1rem; color: var(--primary); font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
    .sla-box p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

    /* 板块 7：快速解答与FAQ */
    .faq-accordion {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .faq-tile {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q { font-size: 1rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; }
    .faq-q::before { content: "Q"; color: var(--accent); font-weight: 800; font-size: 1.1rem; line-height: 1; }
    .faq-a { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; padding-left: 20px; }

    /* 板块 8：转化表单收口 */
    .dispatch-inquiry-panel {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }
    .dispatch-inquiry-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }
    .inquiry-left h3 { font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; }
    .inquiry-left p { font-size: 0.95rem; color: #cbd5e1; line-height: 1.7; margin-bottom: 20px; }
    .inquiry-features { list-style: none; font-size: 0.88rem; }
    .inquiry-features li { margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
    .form-card {
      background: #ffffff;
      color: var(--text-main);
      padding: 28px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
    }
    .form-group { margin-bottom: 16px; }
    .form-label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 6px; color: var(--text-main); }
    .form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); font-size: 0.9rem; font-family: inherit; }
    .form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(16,66,115,0.15); }
    .btn-submit { width: 100%; background: var(--accent); color: #fff; padding: 12px; font-size: 0.95rem; font-weight: 700; border-radius: var(--radius-sm); border: none; cursor: pointer; }
    .btn-submit:hover { background: var(--accent-hover); }

    /* 页脚 */
    .site-footer { background: #0f172a; color: #94a3b8; padding: 60px 0 30px; border-top: 1px solid #1e293b; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
    .footer-logo { font-size: 1.25rem; font-weight: 800; color: #ffffff; margin-bottom: 12px; }
    .footer-title { color: #f8fafc; font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
    .footer-links { list-style: none; font-size: 0.85rem; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a:hover { color: #ffffff; }
    .footer-bottom { border-top: 1px solid #1e293b; padding-top: 20px; font-size: 12px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .metric-dashboard-grid { grid-template-columns: repeat(2, 1fr); }
      .milestone-track { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .creator-cover-banner { height: 180px; }
      .creator-avatar-wrap { flex-direction: column; align-items: flex-start; gap: 12px; }
      .creator-avatar { width: 90px; height: 90px; }
      .creator-profile-bar { margin-top: -45px; }
      .matrix-layout { grid-template-columns: 1fr; }
      .media-list-grid { grid-template-columns: 1fr; }
      .sla-grid { grid-template-columns: 1fr; }
      .faq-accordion { grid-template-columns: 1fr; }
      .dispatch-inquiry-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .metric-dashboard-grid { grid-template-columns: 1fr; }
      .milestone-track { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .creator-actions { width: 100%; justify-content: stretch; }
      .btn-follow, .btn-outline { flex: 1; text-align: center; }
    }

/* roulang page: category3 */
:root {
      --primary: #104273;
      --primary-dark: #092c4f;
      --primary-light: #2468aa;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-soft: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #cbd5e1;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
      --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
      --container-max: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

    /* 统一标准头部 */
    .site-header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
    .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf2f7; }
    .logo-wrap { display: flex; align-items: center; gap: 10px; }
    .logo-icon { width: 34px; height: 34px; background: var(--primary); color: #fff; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; }
    .logo-text { font-size: 1.25rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
    .header-status { display: flex; align-items: center; gap: 20px; font-size: 0.85rem; color: var(--text-muted); }
    .status-dot { display: inline-block; width: 8px; height: 8px; background: #10b981; border-radius: 50%; margin-right: 6px; box-shadow: 0 0 0 2px rgba(16,185,129,0.2); }
    .btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all 0.2s ease; }
    .btn-primary { background: var(--primary); color: #ffffff; }
    .btn-primary:hover { background: var(--primary-dark); }
    .btn-accent { background: var(--accent); color: #ffffff; }
    .btn-accent:hover { background: var(--accent-hover); }
    .header-channel-bar { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; padding: 4px 0; gap: 8px; }
    .channel-link { display: inline-block; padding: 10px 18px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; }
    .channel-link:hover, .channel-link.active { color: var(--primary); border-bottom-color: var(--primary); }

    /* 分类页 Hero：路线图预告与版本节点条 */
    .edge-hero {
      background: linear-gradient(135deg, rgba(9,44,79,0.94) 0%, rgba(16,66,115,0.88) 100%), url('/assets/images/707d06a8a2ef2bfb.webp') center/cover no-repeat;
      color: #ffffff;
      padding: 65px 0 70px;
      border-bottom: 1px solid var(--border-color);
    }
    .edge-hero-lead { max-width: 840px; margin-bottom: 35px; }
    .edge-badge { display: inline-block; background: rgba(217,119,6,0.2); border: 1px solid var(--accent); color: #fbbf24; font-size: 0.8rem; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-sm); margin-bottom: 14px; letter-spacing: 0.5px; }
    .edge-hero h1 { font-size: 2.3rem; font-weight: 800; line-height: 1.25; margin-bottom: 16px; letter-spacing: -0.5px; }
    .edge-hero p { font-size: 1.05rem; line-height: 1.7; color: #cbd5e1; }
    
    /* 路线图进度横条与订阅更新 */
    .roadmap-bar {
      background: rgba(15, 23, 42, 0.65);
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(10px);
      border-radius: var(--radius-md);
      padding: 24px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .roadmap-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      position: relative;
    }
    .roadmap-node {
      position: relative;
      padding-top: 18px;
      border-top: 3px solid #334155;
    }
    .roadmap-node.active { border-top-color: var(--accent); }
    .roadmap-node.active::before {
      content: '';
      position: absolute;
      top: -7px;
      left: 0;
      width: 11px;
      height: 11px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }
    .roadmap-node.done { border-top-color: #38bdf8; }
    .roadmap-node.done::before {
      content: '';
      position: absolute;
      top: -6px;
      left: 0;
      width: 9px;
      height: 9px;
      background: #38bdf8;
      border-radius: 50%;
    }
    .node-ver { font-size: 0.75rem; font-weight: 700; color: #94a3b8; text-transform: uppercase; }
    .node-title { font-size: 0.9rem; font-weight: 700; color: #ffffff; margin-top: 4px; }
    .node-desc { font-size: 0.78rem; color: #cbd5e1; margin-top: 2px; }

    .hero-subscribe-box {
      border-left: 1px solid rgba(255, 255, 255, 0.15);
      padding-left: 25px;
    }
    .subscribe-title { font-size: 0.95rem; font-weight: 700; color: #ffffff; margin-bottom: 6px; }
    .subscribe-desc { font-size: 0.8rem; color: #94a3b8; margin-bottom: 12px; }
    .subscribe-input-group { display: flex; gap: 8px; }
    .subscribe-input {
      flex: 1;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 9px 12px;
      font-size: 0.85rem;
      color: #ffffff;
      outline: none;
    }
    .subscribe-input:focus { border-color: #38bdf8; background: rgba(255, 255, 255, 0.12); }

    /* 通用版块结构 */
    section { padding: 65px 0; }
    .section-white { background: #ffffff; }
    .section-soft { background: var(--bg-soft); }
    .section-header { margin-bottom: 38px; }
    .section-badge { font-size: 0.82rem; font-weight: 700; color: var(--primary-light); letter-spacing: 0.5px; margin-bottom: 8px; }
    .section-title { font-size: 1.8rem; font-weight: 800; color: var(--text-main); margin-bottom: 10px; }
    .section-desc { font-size: 0.95rem; color: var(--text-muted); max-width: 820px; line-height: 1.6; }

    /* 板块 1: 指标看板 (Metric Dashboard) */
    .metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      border-top: 4px solid var(--primary);
    }
    .metric-val { font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1.1; margin-bottom: 6px; }
    .metric-unit { font-size: 1rem; color: var(--accent); font-weight: 600; margin-left: 2px; }
    .metric-name { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
    .metric-sub { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

    /* 板块 2: 服务矩阵 (Edge Topology) */
    .matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .matrix-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
    .matrix-img-box { height: 180px; overflow: hidden; background: #e2e8f0; position: relative; }
    .matrix-img-box img { width: 100%; height: 100%; object-fit: cover; }
    .matrix-badge-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(16, 66, 115, 0.88);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
    }
    .matrix-body { padding: 22px; }
    .matrix-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
    .matrix-body p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
    .matrix-list { list-style: none; font-size: 0.82rem; color: var(--primary-dark); }
    .matrix-list li { margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
    .matrix-list li::before { content: "•"; color: var(--accent); font-weight: bold; }

    /* 板块 3: 结果对比 (Benchmarks Comparison) */
    .compare-container { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-md); 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 20px; font-size: 0.9rem; border-bottom: 1px solid #edf2f7; }
    .compare-table th { background: var(--bg-soft); color: var(--primary-dark); font-weight: 700; }
    .compare-table tr:hover td { background: #fdfbf7; }
    .tag-edge { color: var(--primary); font-weight: 700; }
    .tag-val-good { color: #16a34a; font-weight: 700; }
    .tag-val-bad { color: #94a3b8; }

    /* 板块 4: 里程碑 (Roadmap Milestones) */
    .milestone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .milestone-card {
      background: var(--bg-card);
      border-left: 3px solid var(--accent);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-right: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .milestone-quarter { font-size: 0.8rem; font-weight: 800; color: var(--accent); margin-bottom: 6px; }
    .milestone-card h4 { font-size: 1rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
    .milestone-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

    /* 板块 5: 资讯与节点日志列表 */
    .news-dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
    .news-lead-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .news-lead-card img { height: 210px; width: 100%; object-fit: cover; }
    .news-lead-content { padding: 22px; }
    .news-date { font-size: 0.78rem; color: #94a3b8; margin-bottom: 6px; font-weight: 600; }
    .news-lead-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
    .news-lead-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }
    .news-stack-list { display: flex; flex-direction: column; gap: 14px; }
    .news-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .news-item:hover { border-color: var(--primary-light); background: #fafcff; }
    .news-item-top { display: flex; justify-content: space-between; align-items: center; }
    .news-item-tag { font-size: 0.75rem; background: #e0f2fe; color: #0369a1; padding: 2px 6px; border-radius: 3px; font-weight: 600; }
    .news-item h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-top: 4px; }
    .news-item p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

    /* 板块 6: 平台服务保障 */
    .guarantee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .guarantee-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .guarantee-icon {
      width: 44px;
      height: 44px;
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }
    .guarantee-box h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
    .guarantee-box p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.6; }

    /* 板块 7: 快速解答与常见 FAQ */
    .faq-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .faq-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
    .faq-q::before { content: "Q"; background: var(--accent); color: #fff; font-size: 0.75rem; padding: 2px 6px; border-radius: 3px; font-weight: 800; }
    .faq-a { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

    /* 板块 8: 调度评估表单 */
    .form-panel {
      background: linear-gradient(135deg, #092c4f 0%, #104273 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 45px;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }
    .form-info h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 14px; line-height: 1.3; }
    .form-info p { font-size: 0.95rem; color: #cbd5e1; line-height: 1.7; margin-bottom: 20px; }
    .form-spec-badge { display: flex; gap: 12px; }
    .spec-pill { background: rgba(255,255,255,0.12); padding: 6px 12px; border-radius: var(--radius-sm); font-size: 0.8rem; }
    .form-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .form-inputs .full-width { grid-column: span 2; }
    .form-group { display: flex; flex-direction: column; gap: 6px; }
    .form-group label { font-size: 0.82rem; font-weight: 600; color: #cbd5e1; }
    .form-control {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      font-size: 0.88rem;
      color: var(--text-main);
      outline: none;
    }
    .form-control:focus { border-color: var(--accent); }
    .btn-submit {
      grid-column: span 2;
      background: var(--accent);
      color: #fff;
      padding: 12px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      margin-top: 6px;
    }
    .btn-submit:hover { background: var(--accent-hover); }

    /* 统一标准页脚 */
    .site-footer { background: #0b1320; color: #94a3b8; padding: 60px 0 25px; border-top: 1px solid #1e293b; margin-top: 50px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-logo { font-size: 1.25rem; font-weight: 800; color: #ffffff; margin-bottom: 14px; }
    .footer-title { font-size: 0.95rem; font-weight: 700; color: #ffffff; margin-bottom: 16px; letter-spacing: 0.5px; }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 10px; font-size: 0.88rem; }
    .footer-links a:hover { color: #ffffff; }
    .footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; flex-wrap: wrap; gap: 10px; }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .roadmap-bar { grid-template-columns: 1fr; }
      .hero-subscribe-box { border-left: none; border-top: 1px solid rgba(255,255,255,0.15); padding-left: 0; padding-top: 20px; }
      .metric-grid { grid-template-columns: repeat(2, 1fr); }
      .matrix-grid { grid-template-columns: 1fr; }
      .form-panel { grid-template-columns: 1fr; gap: 30px; }
      .milestone-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .header-top { flex-direction: column; align-items: flex-start; gap: 12px; }
      .edge-hero h1 { font-size: 1.8rem; }
      .roadmap-timeline { grid-template-columns: 1fr 1fr; }
      .news-dual-grid { grid-template-columns: 1fr; }
      .guarantee-grid { grid-template-columns: 1fr; }
      .faq-layout { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    }
    @media (max-width: 520px) {
      .roadmap-timeline { grid-template-columns: 1fr; }
      .metric-grid { grid-template-columns: 1fr; }
      .milestone-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .form-inputs { grid-template-columns: 1fr; }
      .form-inputs .full-width { grid-column: span 1; }
      .btn-submit { grid-column: span 1; }
    }

/* roulang page: category4 */
:root {
      --primary: #104273;
      --primary-dark: #092c4f;
      --primary-light: #2468aa;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-soft: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #cbd5e1;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 12px rgba(16,66,115,0.08);
      --shadow-lg: 0 12px 24px -4px rgba(16,66,115,0.12);
      --container-max: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.2s ease;
      border: 1px solid transparent;
      text-align: center;
    }
    .btn-primary {
      background: var(--primary);
      color: #ffffff;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      color: #ffffff;
    }
    .btn-accent {
      background: var(--accent);
      color: #ffffff;
      padding: 12px 28px;
      font-size: 15px;
      box-shadow: var(--shadow-sm);
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      box-shadow: var(--shadow-md);
      color: #ffffff;
    }
    .btn-outline {
      border: 1px solid var(--border-color);
      background: #ffffff;
      color: var(--text-main);
      padding: 12px 24px;
      font-size: 15px;
    }
    .btn-outline:hover {
      background: var(--bg-soft);
      border-color: var(--primary-light);
    }

    /* 站点统一导航 */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: var(--shadow-sm);
    }
    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid #edf2f7;
    }
    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-icon {
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #ffffff;
      font-weight: 800;
      font-size: 18px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .logo-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .header-status {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      margin-right: 6px;
      box-shadow: 0 0 0 2px rgba(16,185,129,0.2);
    }
    .header-channel-bar {
      display: flex;
      align-items: center;
      overflow-x: auto;
      white-space: nowrap;
      padding: 4px 0;
      gap: 12px;
    }
    .channel-link {
      display: inline-block;
      padding: 10px 16px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      border-bottom: 3px solid transparent;
    }
    .channel-link:hover, .channel-link.active {
      color: var(--primary);
      border-bottom-color: var(--primary);
    }

    /* 页面基础版式 */
    section {
      padding: 70px 0;
    }
    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 40px;
    }
    .section-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--primary);
      background: rgba(16, 66, 115, 0.08);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      display: inline-block;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .section-subtitle {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 820px;
    }

    /* 首屏对比蓝图：Before/After 并置 */
    .hero-compare {
      background: linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
      padding: 60px 0 70px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-header {
      text-align: center;
      max-width: 860px;
      margin: 0 auto 40px;
    }
    .compare-header h1 {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .compare-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: stretch;
      margin-bottom: 35px;
    }
    .compare-box {
      border-radius: var(--radius-lg);
      padding: 32px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .compare-box.before {
      background: #ffffff;
      border: 1px solid #fecaca;
      box-shadow: 0 4px 15px rgba(239, 68, 68, 0.05);
    }
    .compare-box.after {
      background: #ffffff;
      border: 2px solid var(--primary-light);
      box-shadow: var(--shadow-lg);
    }
    .box-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      text-transform: uppercase;
    }
    .box-badge.bad {
      background: #fee2e2;
      color: #b91c1c;
    }
    .box-badge.good {
      background: #dbeafe;
      color: var(--primary);
    }
    .compare-box h3 {
      font-size: 1.35rem;
      margin-bottom: 14px;
      color: var(--text-main);
    }
    .compare-box p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.65;
    }
    .compare-list {
      list-style: none;
      margin-bottom: 24px;
    }
    .compare-list li {
      font-size: 0.9rem;
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .compare-list li:last-child {
      border-bottom: none;
    }
    .compare-cta-row {
      text-align: center;
      display: flex;
      justify-content: center;
      gap: 16px;
    }

    /* 板块1：指标看板 */
    .metric-board {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      border-top: 4px solid var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .metric-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
      line-height: 1.1;
    }
    .metric-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .metric-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块2：服务矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: var(--bg-card);
      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;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .matrix-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .matrix-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .matrix-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .matrix-tag {
      background: var(--bg-soft);
      color: var(--text-muted);
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
    }

    /* 板块3：画质与编解码结果对比图文 */
    .result-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .result-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .result-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .media-overlay-tag {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(15, 23, 42, 0.85);
      color: #ffffff;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      backdrop-filter: blur(4px);
    }
    .result-content h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .result-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .result-checks {
      list-style: none;
      margin-bottom: 24px;
    }
    .result-checks li {
      font-size: 0.9rem;
      color: var(--text-main);
      padding: 8px 0;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .check-bullet {
      color: #10b981;
      font-weight: bold;
    }

    /* 板块4：技术演进里程碑 */
    .milestone-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .milestone-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }
    .step-index {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块5：行业资讯与架构文档列表 */
    .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;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-card img {
      width: 100%;
      height: 190px;
      object-fit: cover;
    }
    .news-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-meta {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .news-body h4 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-more {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
    }

    /* 板块6：平台容灾与企业保障 */
    .sla-banner {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .sla-content h3 {
      font-size: 1.65rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .sla-content p {
      font-size: 0.95rem;
      color: #e2e8f0;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .sla-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      background: rgba(255, 255, 255, 0.08);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .sla-stat-item strong {
      display: block;
      font-size: 1.6rem;
      color: #38bdf8;
      font-weight: 800;
    }
    .sla-stat-item span {
      font-size: 0.8rem;
      color: #cbd5e1;
    }

    /* 板块7：技术要点答疑 FAQ */
    .faq-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }
    .faq-item h4 {
      font-size: 1.05rem;
      color: var(--primary);
      margin-bottom: 10px;
      font-weight: 700;
    }
    .faq-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块8：方案转化与工单咨询表单 */
    .inquiry-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 40px;
    }
    .inquiry-info h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .inquiry-info p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .info-list {
      list-style: none;
      font-size: 0.9rem;
      color: var(--text-main);
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-input {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      background: var(--bg-base);
    }
    .form-input:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
    }

    /* 站点统一页脚 */
    .site-footer {
      background: #092c4f;
      color: #94a3b8;
      padding: 60px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 45px;
    }
    .footer-logo {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }
    .footer-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .metric-board { grid-template-columns: repeat(2, 1fr); }
      .milestone-timeline { grid-template-columns: repeat(2, 1fr); }
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .comparison-grid { grid-template-columns: 1fr; }
      .result-split { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .sla-banner { grid-template-columns: 1fr; }
      .faq-layout { grid-template-columns: 1fr; }
      .inquiry-panel { grid-template-columns: 1fr; }
      .compare-header h1 { font-size: 1.8rem; }
      .section-title { font-size: 1.5rem; }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .metric-board { grid-template-columns: 1fr; }
      .milestone-timeline { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: 1fr; }
      .header-status { display: none; }
      .compare-cta-row { flex-direction: column; }
    }