/* roulang page: index */
:root {
      --primary: #1E56A0;
      --primary-dark: #163e75;
      --accent: #1687A7;
      --accent-light: #EBF3FA;
      --bg-muted: #F6F9FC;
      --card-bg: #FFFFFF;
      --border-tint: #E2ECF5;
      --text-main: #0E273C;
      --text-muted: #4A5E73;
      --text-sub: #8A9CAE;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 4px 16px rgba(30, 86, 160, 0.06);
      --shadow-hover: 0 12px 28px rgba(30, 86, 160, 0.12);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * { box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-muted);
      color: var(--text-main);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }

    /* 全局容器与板块留白 */
    .grid-container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
    .site-section { padding: 80px 0; border-bottom: 1px solid var(--border-tint); position: relative; }
    .section-header { margin-bottom: 48px; }
    .section-header h2 {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-header p {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0;
      line-height: 1.7;
    }

    /* 顶部双行分体导航 */
    .site-header { background: #FFFFFF; border-bottom: 1px solid var(--border-tint); position: sticky; top: 0; z-index: 100; }
    .nav-top-row {
      padding: 16px 0;
      border-bottom: 1px solid rgba(226, 236, 245, 0.6);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      letter-spacing: -0.3px;
    }
    .brand-logo .logo-icon {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #fff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 900;
    }
    .nav-top-aux { display: flex; align-items: center; gap: 16px; }
    .nav-sync-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      background: var(--accent-light);
      color: var(--accent);
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
    }
    .nav-search-box {
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search-box input {
      height: 36px;
      width: 220px;
      padding: 0 12px;
      font-size: 0.85rem;
      border: 1px solid var(--border-tint);
      border-radius: 20px;
      background: var(--bg-muted);
      margin: 0;
    }
    .nav-search-box input:focus { border-color: var(--primary); background: #FFF; outline: none; }

    .nav-tab-row {
      display: flex;
      align-items: center;
      overflow-x: auto;
      white-space: nowrap;
      padding: 10px 0;
      scrollbar-width: none;
    }
    .nav-tab-row::-webkit-scrollbar { display: none; }
    .channel-tab {
      padding: 8px 18px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: 6px;
      margin-right: 6px;
      display: inline-block;
    }
    .channel-tab:hover { color: var(--primary); background: var(--accent-light); }
    .channel-tab.active { color: #FFFFFF; background: var(--primary); }

    /* 通用卡片与按钮样式 */
    .metric-card {
      background: var(--card-bg);
      border: 1px solid var(--border-tint);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      padding: 24px;
      transition: var(--transition);
      height: 100%;
    }
    .metric-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #cfdeec; }

    .btn-custom {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: none;
      transition: var(--transition);
    }
    .btn-primary { background: var(--primary); color: #FFF; }
    .btn-primary:hover { background: var(--primary-dark); color: #FFF; }
    .btn-secondary { background: #FFFFFF; color: var(--primary); border: 1px solid var(--border-tint); }
    .btn-secondary:hover { background: var(--accent-light); border-color: var(--primary); }

    .score-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      background: var(--accent-light);
      color: var(--primary);
      border-radius: 50%;
      font-size: 1.05rem;
      font-weight: 800;
      border: 2px solid #d4e4f5;
    }

    /* 板块 1: Hero Metric Board */
    .hero-board-section {
      background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-muted) 100%);
      padding: 80px 0 90px;
      border-bottom: 1px solid var(--border-tint);
    }
    .hero-tag {
      display: inline-block;
      padding: 6px 14px;
      background: #EAF4FD;
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 4px;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 2.35rem;
      font-weight: 800;
      line-height: 1.35;
      color: var(--text-main);
      margin-bottom: 20px;
    }
    .hero-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-board-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .hero-stat-card {
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-tint);
      box-shadow: var(--shadow-sm);
    }
    .stat-card-label { font-size: 0.85rem; color: var(--text-sub); font-weight: 600; }
    .stat-card-val { font-size: 2rem; font-weight: 800; color: var(--primary); margin: 6px 0; }
    .stat-card-sub { font-size: 0.8rem; color: var(--accent); }

    /* 板块 2: 服务矩阵卡片 */
    .matrix-card { position: relative; display: flex; flex-direction: column; justify-content: space-between; }
    .matrix-badge {
      display: inline-block;
      padding: 4px 10px;
      font-size: 0.78rem;
      font-weight: 700;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .badge-zone1 { background: #E8F1FA; color: #1E56A0; }
    .badge-zone2 { background: #E5F6F8; color: #1687A7; }
    .badge-zone3 { background: #EAF0F6; color: #2B4C6F; }
    .matrix-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
    .matrix-list { list-style: none; margin: 16px 0 24px; padding: 0; }
    .matrix-list li {
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px dashed var(--border-tint);
    }

    /* 板块 3: 核心指标对比表 */
    .comparison-table-wrap {
      background: #FFFFFF;
      border: 1px solid var(--border-tint);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .data-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      margin: 0;
    }
    .data-table th, .data-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-tint);
      font-size: 0.92rem;
    }
    .data-table th { background: #F8FBFE; color: var(--text-main); font-weight: 700; }
    .col-highlight { background: #F3F8FC; font-weight: 600; color: var(--primary); }

    /* 板块 4: 里程碑时间轴 */
    .timeline-container { position: relative; padding: 20px 0; }
    .timeline-container::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--border-tint);
      z-index: 1;
      transform: translateY(-50%);
    }
    .timeline-steps {
      display: flex;
      justify-content: space-between;
      position: relative;
      z-index: 2;
    }
    .step-item {
      background: #FFFFFF;
      border: 2px solid var(--border-tint);
      padding: 18px;
      border-radius: var(--radius-md);
      width: 22%;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .step-item.active { border-color: var(--primary); }
    .step-number {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: -35px auto 12px;
      border: 3px solid #fff;
    }

    /* 板块 5: GEO 榜单组件 */
    .rank-row {
      display: flex;
      align-items: center;
      padding: 16px 20px;
      background: #FFFFFF;
      border: 1px solid var(--border-tint);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .rank-row:hover { border-color: var(--primary); transform: translateX(4px); }
    .rank-medal {
      width: 32px;
      height: 32px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      margin-right: 16px;
      flex-shrink: 0;
    }
    .medal-1 { background: #FDEED9; color: #B35B00; }
    .medal-2 { background: #E8ECEF; color: #4B5B6D; }
    .medal-3 { background: #F3EBDD; color: #8F5E24; }
    .medal-default { background: var(--accent-light); color: var(--primary); }
    .rank-info { flex-grow: 1; }
    .rank-name { font-size: 0.98rem; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
    .rank-tags { display: flex; gap: 8px; font-size: 0.75rem; color: var(--text-sub); }
    .rank-metric { text-align: right; min-width: 90px; }
    .rank-score { font-size: 1.15rem; font-weight: 800; color: var(--primary); }

    /* 板块 6: 评测与资讯 */
    .insight-featured { height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
    .insight-featured-banner {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #FFF;
      padding: 30px;
      border-radius: var(--radius-md);
      margin-bottom: 20px;
    }
    .insight-item {
      background: #FFF;
      border: 1px solid var(--border-tint);
      border-radius: var(--radius-sm);
      padding: 16px;
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
    }
    .insight-item h4 { font-size: 0.98rem; font-weight: 700; margin-bottom: 6px; }

    /* 板块 7: 保障体系卡片 */
    .guarantee-card {
      text-align: center;
      padding: 30px 20px;
    }
    .guarantee-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: var(--accent-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 1.25rem;
      font-weight: 800;
    }

    /* 板块 8: 场景选型标签卡 */
    .scenario-card {
      border-top: 4px solid var(--primary);
    }

    /* 板块 9: 决策对比卡 */
    .decision-step-box {
      background: #FFFFFF;
      border-left: 4px solid var(--accent);
      padding: 20px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
    }

    /* 板块 10: FAQ 折叠式卡片 */
    .faq-block {
      background: #FFFFFF;
      border: 1px solid var(--border-tint);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 16px;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-question::before {
      content: "Q";
      display: inline-block;
      width: 24px;
      height: 24px;
      background: var(--primary);
      color: #fff;
      font-size: 0.8rem;
      font-weight: 800;
      text-align: center;
      line-height: 24px;
      border-radius: 4px;
    }
    .faq-answer {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
      padding-left: 34px;
    }

    /* 板块 11: 口碑反馈 */
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-tint);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .review-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
    .review-avatar {
      width: 38px;
      height: 38px;
      background: var(--accent-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }

    /* 板块 12: 转化表单 */
    .lead-form-wrap {
      background: linear-gradient(135deg, #0E273C 0%, #1E56A0 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: 0 16px 36px rgba(14, 39, 60, 0.2);
    }
    .lead-form-wrap h2 { color: #FFFFFF; font-size: 1.85rem; font-weight: 800; margin-bottom: 12px; }
    .lead-form-wrap p { color: #D6E4F0; font-size: 0.95rem; margin-bottom: 30px; }
    .lead-inline-form {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .lead-inline-form select, .lead-inline-form input {
      height: 48px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.2);
      background: rgba(255,255,255,0.95);
      color: var(--text-main);
      padding: 0 16px;
      font-size: 0.9rem;
      margin: 0;
    }
    .lead-inline-form select { flex: 1; min-width: 160px; }
    .lead-inline-form input { flex: 2; min-width: 240px; }
    .lead-inline-form button {
      height: 48px;
      padding: 0 28px;
      background: #1687A7;
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-sm);
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
    }
    .lead-inline-form button:hover { background: #13728d; }

    /* 页脚设计规范 */
    .site-footer {
      background: #FFFFFF;
      border-top: 1px solid var(--border-tint);
      padding: 64px 0 24px;
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-nav-list { list-style: none; margin: 0; padding: 0; }
    .footer-nav-list li { margin-bottom: 10px; }
    .footer-nav-list a { color: var(--text-muted); font-size: 0.85rem; }
    .footer-nav-list a:hover { color: var(--primary); }
    .footer-bottom {
      margin-top: 48px;
      padding-top: 20px;
      border-top: 1px solid var(--border-tint);
      font-size: 0.8rem;
      color: var(--text-sub);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式调整 */
    @media (max-width: 1023px) {
      .hero-title { font-size: 1.85rem; }
      .timeline-container::before { display: none; }
      .timeline-steps { flex-direction: column; gap: 16px; }
      .step-item { width: 100%; text-align: left; }
      .step-number { margin: 0 0 10px 0; display: inline-flex; }
    }
    @media (max-width: 639px) {
      .site-section { padding: 48px 0; }
      .hero-board-grid { grid-template-columns: 1fr; }
      .lead-inline-form { flex-direction: column; }
      .lead-inline-form select, .lead-inline-form input, .lead-inline-form button { width: 100%; }
      .nav-top-aux { display: none; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: category1 */
:root {
        --primary: #1E56A0;
        --primary-dark: #163e75;
        --accent: #1687A7;
        --accent-light: #EBF3FA;
        --bg-muted: #F6F9FC;
        --card-bg: #FFFFFF;
        --border-tint: #E2ECF5;
        --text-main: #0E273C;
        --text-muted: #4A5E73;
        --text-sub: #8A9CAE;
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 16px;
        --shadow-sm: 0 4px 16px rgba(30, 86, 160, 0.06);
        --shadow-hover: 0 12px 28px rgba(30, 86, 160, 0.12);
        --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        background-color: var(--bg-muted);
        color: var(--text-main);
        line-height: 1.6;
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    .grid-container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
    .site-section { padding: 72px 0; border-bottom: 1px solid var(--border-tint); position: relative; }
    .section-header { margin-bottom: 40px; }
    .section-header h2 {
        font-size: 1.75rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
        letter-spacing: -0.5px;
    }
    .section-header p {
        font-size: 0.96rem;
        color: var(--text-muted);
        max-width: 820px;
        margin: 0;
        line-height: 1.7;
    }

    /* 顶部双行分体导航 */
    .site-header { background: #FFFFFF; border-bottom: 1px solid var(--border-tint); position: sticky; top: 0; z-index: 100; }
    .nav-top-row {
        padding: 16px 0;
        border-bottom: 1px solid rgba(226, 236, 245, 0.6);
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .brand-logo {
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 10px;
        letter-spacing: -0.3px;
    }
    .brand-logo .logo-icon {
        width: 32px;
        height: 32px;
        background: var(--primary);
        color: #fff;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.95rem;
        font-weight: 900;
    }
    .nav-top-aux { display: flex; align-items: center; gap: 16px; }
    .nav-sync-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 12px;
        background: var(--accent-light);
        color: var(--accent);
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 600;
    }
    .nav-search-box { position: relative; display: flex; align-items: center; }
    .nav-search-box input {
        height: 36px;
        width: 220px;
        padding: 0 12px;
        font-size: 0.85rem;
        border: 1px solid var(--border-tint);
        border-radius: 20px;
        background: var(--bg-muted);
        margin: 0;
    }
    .nav-search-box input:focus { border-color: var(--primary); background: #FFF; outline: none; }
    .nav-tab-row {
        display: flex;
        align-items: center;
        overflow-x: auto;
        white-space: nowrap;
        padding: 10px 0;
        scrollbar-width: none;
    }
    .nav-tab-row::-webkit-scrollbar { display: none; }
    .channel-tab {
        padding: 8px 18px;
        font-size: 0.92rem;
        font-weight: 600;
        color: var(--text-muted);
        border-radius: 6px;
        margin-right: 6px;
        transition: var(--transition);
    }
    .channel-tab:hover { color: var(--primary); background: var(--accent-light); }
    .channel-tab.active { color: #FFFFFF; background: var(--primary); }

    /* 通用组件 */
    .metric-card {
        background: var(--card-bg);
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 24px;
        transition: var(--transition);
        height: 100%;
    }
    .metric-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #cfdeec; }
    .btn-custom {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 11px 22px;
        font-size: 0.92rem;
        font-weight: 600;
        border-radius: var(--radius-sm);
        cursor: pointer;
        border: none;
        transition: var(--transition);
    }
    .btn-primary { background: var(--primary); color: #FFF; }
    .btn-primary:hover { background: var(--primary-dark); color: #FFF; }
    .btn-secondary { background: #FFFFFF; color: var(--primary); border: 1px solid var(--border-tint); }
    .btn-secondary:hover { background: var(--accent-light); border-color: var(--primary); }
    .badge-tag {
        display: inline-block;
        padding: 4px 9px;
        font-size: 0.75rem;
        font-weight: 700;
        border-radius: 4px;
    }
    .badge-z1 { background: #E8F1FA; color: #1E56A0; }
    .badge-z2 { background: #E5F6F8; color: #1687A7; }
    .badge-z3 { background: #EEF2F6; color: #3A506B; }

    /* 分类板块 1: 紧凑标头区 */
    .category-header-wrap {
        background: linear-gradient(180deg, #FFFFFF 0%, #F1F6FB 100%);
        padding: 48px 0 40px;
        border-bottom: 1px solid var(--border-tint);
    }
    .cat-badge-pre {
        display: inline-block;
        padding: 4px 10px;
        background: #EAF4FD;
        color: var(--primary);
        font-size: 0.8rem;
        font-weight: 700;
        border-radius: 4px;
        margin-bottom: 12px;
    }
    .category-h1 {
        font-size: 2.1rem;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.35;
        margin-bottom: 14px;
        letter-spacing: -0.5px;
    }
    .category-subtext {
        font-size: 0.96rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 0;
    }
    .cat-stat-strip {
        display: flex;
        gap: 16px;
        background: #FFFFFF;
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        padding: 18px 24px;
        box-shadow: var(--shadow-sm);
    }
    .cat-stat-item { flex: 1; text-align: center; }
    .cat-stat-item:not(:last-child) { border-right: 1px solid var(--border-tint); }
    .cat-stat-num { font-size: 1.6rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
    .cat-stat-title { font-size: 0.78rem; color: var(--text-sub); font-weight: 600; margin-top: 4px; }

    /* 分类板块 2: 多维筛选过滤栏 */
    .filter-bar-section {
        background: #FFFFFF;
        padding: 20px 0;
        border-bottom: 1px solid var(--border-tint);
    }
    .filter-box {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .filter-row {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    .filter-label {
        font-size: 0.86rem;
        font-weight: 700;
        color: var(--text-muted);
        min-width: 80px;
    }
    .filter-pill {
        padding: 6px 14px;
        font-size: 0.84rem;
        font-weight: 600;
        border-radius: 20px;
        background: var(--bg-muted);
        color: var(--text-muted);
        border: 1px solid var(--border-tint);
        cursor: pointer;
        transition: var(--transition);
    }
    .filter-pill:hover { border-color: var(--primary); color: var(--primary); }
    .filter-pill.active { background: var(--primary); color: #FFF; border-color: var(--primary); }

    /* 分类板块 3: 核心卡片列表 */
    .catalog-item-card {
        background: #FFFFFF;
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        padding: 22px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        height: 100%;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .catalog-item-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #cfdeec; }
    .item-top-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
    .item-score-pill {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 0.85rem;
        font-weight: 800;
        color: var(--accent);
        background: var(--accent-light);
        padding: 3px 8px;
        border-radius: 4px;
    }
    .item-title {
        font-size: 1.12rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
        line-height: 1.45;
    }
    .item-desc {
        font-size: 0.86rem;
        color: var(--text-muted);
        line-height: 1.65;
        margin-bottom: 16px;
    }
    .item-progress-wrap { margin-bottom: 16px; }
    .progress-bar-bg { height: 6px; background: #EAF0F6; border-radius: 3px; overflow: hidden; }
    .progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 3px; }
    .item-spec-list {
        display: flex;
        justify-content: space-between;
        font-size: 0.78rem;
        color: var(--text-sub);
        padding-top: 12px;
        border-top: 1px solid #EEF4FA;
        margin-bottom: 16px;
    }
    .pagination-bar { text-align: center; margin-top: 40px; }

    /* 分类板块 4: 准入评级与评分规则说明 */
    .matrix-box-left {
        background: #FFFFFF;
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        padding: 28px;
        height: 100%;
        box-shadow: var(--shadow-sm);
    }
    .matrix-box-right {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .rule-check-card {
        background: #FFFFFF;
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        padding: 20px 24px;
        box-shadow: var(--shadow-sm);
        display: flex;
        align-items: flex-start;
        gap: 16px;
    }
    .rule-num {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--accent-light);
        color: var(--primary);
        font-weight: 800;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .rule-detail h4 { font-size: 1rem; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
    .rule-detail p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

    /* 分类板块 5: TOP 5 侧推榜 */
    .trending-list-grid {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .trending-row-card {
        background: #FFFFFF;
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        padding: 16px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .trending-row-card:hover { border-color: var(--primary); transform: translateX(4px); }
    .trend-left { display: flex; align-items: center; gap: 16px; }
    .trend-rank {
        width: 34px;
        height: 34px;
        border-radius: 6px;
        font-weight: 800;
        font-size: 0.95rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .rank-top1 { background: #FFF4DE; color: #D48806; border: 1px solid #FFE58F; }
    .rank-top2 { background: #F0F5FF; color: #1D39C4; border: 1px solid #ADC6FF; }
    .rank-top3 { background: #E6FFFB; color: #08979C; border: 1px solid #87E8DE; }
    .rank-rest { background: var(--bg-muted); color: var(--text-muted); border: 1px solid var(--border-tint); }
    .trend-title { font-size: 0.98rem; font-weight: 700; color: var(--text-main); }
    .trend-meta { font-size: 0.8rem; color: var(--text-sub); display: flex; gap: 12px; margin-top: 2px; }
    .trend-right { text-align: right; }
    .trend-score { font-size: 1.15rem; font-weight: 800; color: var(--primary); }
    .trend-status { font-size: 0.75rem; color: var(--accent); }

    /* 分类板块 6: FAQ 网格 */
    .faq-grid-card {
        background: #FFFFFF;
        border: 1px solid var(--border-tint);
        border-radius: var(--radius-md);
        padding: 24px;
        box-shadow: var(--shadow-sm);
        height: 100%;
    }
    .faq-grid-card h3 {
        font-size: 1.02rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .faq-grid-card h3::before {
        content: "Q";
        display: inline-flex;
        width: 22px;
        height: 22px;
        border-radius: 4px;
        background: var(--accent-light);
        color: var(--primary);
        font-size: 0.78rem;
        font-weight: 800;
        align-items: center;
        justify-content: center;
    }
    .faq-grid-card p {
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;    }

    /* 分类板块 7: 选品提报与纠错反馈入口 */
    .support-inquiry-bar {
        background: linear-gradient(135deg, #1E56A0 0%, #1687A7 100%);
        border-radius: var(--radius-md);
        padding: 36px 40px;
        color: #FFFFFF;
        box-shadow: var(--shadow-sm);
    }
    .inquiry-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }
    .inquiry-content h3 {
        font-size: 1.4rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 8px;
    }
    .inquiry-content p {
        font-size: 0.92rem;
        color: #E2ECF5;
        margin: 0;
        max-width: 680px;
        line-height: 1.6;
    }
    .inquiry-action-box {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .inquiry-input {
        height: 42px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(255, 255, 255, 0.4);
        background: rgba(255, 255, 255, 0.15);
        color: #FFFFFF;
        padding: 0 14px;
        font-size: 0.88rem;
        min-width: 240px;
        outline: none;
    }
    .inquiry-input::placeholder { color: #D4E4F5; }
    .inquiry-input:focus { background: #FFFFFF; color: var(--text-main); }
    .btn-inquiry-submit {
        background: #FFFFFF;
        color: var(--primary);
        font-weight: 700;
        padding: 11px 24px;
        border-radius: var(--radius-sm);
        border: none;
        cursor: pointer;
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-inquiry-submit:hover { background: var(--accent-light); color: var(--primary-dark); }

    /* 页脚样式 */
    .site-footer {
        background: #0E273C;
        color: #E2ECF5;
        padding: 64px 0 32px;
        margin-top: 0;
        border-top: 1px solid #1E3A52;
    }
    .footer-col h4 {
        font-size: 1.05rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 18px;
        letter-spacing: -0.2px;
    }
    .footer-links { list-style: none; margin: 0; padding: 0; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: #8A9CAE; font-size: 0.86rem; transition: var(--transition); }
    .footer-links a:hover { color: #FFFFFF; text-decoration: underline; }
    .footer-bottom {
        margin-top: 48px;
        padding-top: 24px;
        border-top: 1px solid #1A364E;
        text-align: center;
        font-size: 0.82rem;
        color: #6C8299;
    }

    /* 移动端与平板响应式适配 */
    @media (max-width: 1023px) {
        .cat-stat-strip { margin-top: 20px; }
        .inquiry-inner { flex-direction: column; align-items: flex-start; }
        .inquiry-action-box { width: 100%; }
        .inquiry-input { width: 100%; min-width: 0; }
    }
    @media (max-width: 639px) {
        .site-section { padding: 48px 0; }
        .category-h1 { font-size: 1.6rem; }
        .cat-stat-strip { flex-direction: column; gap: 12px; }
        .cat-stat-item:not(:last-child) { border-right: none; border-bottom: 1px solid var(--border-tint); padding-bottom: 12px; }
        .trending-row-card { flex-direction: column; align-items: flex-start; gap: 10px; }
        .trend-right { text-align: left; }
        .support-inquiry-bar { padding: 24px 20px; }
        .inquiry-action-box { flex-direction: column; }
        .btn-inquiry-submit { width: 100%; }
        .nav-search-box { display: none; }
    }