/* roulang page: index */
:root {
      --primary: #C05621;
      --primary-dark: #9C4221;
      --primary-light: #FEEBC8;
      --secondary: #1A202C;
      --secondary-light: #2D3748;
      --text-main: #2D3748;
      --text-muted: #718096;
      --bg-white: #FFFFFF;
      --bg-light: #F7FAFC;
      --bg-slate: #EDF2F7;
      --border-color: #E2E8F0;
      --badge-yellow: #FEFCBF;
      --badge-text: #744210;
      --accent-green: #2F855A;
      --accent-red: #C53030;
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-pill: 9999px;
      --transition: all 0.25s ease-in-out;
    }

    * { box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.75;
      font-size: 16px;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover, a:focus { color: var(--primary-dark); text-decoration: none; }
    h1, h2, h3, h4, h5, h6 { color: var(--secondary); font-weight: 700; line-height: 1.35; margin-top: 0; }
    h1 { font-size: 2.35rem; }
    h2 { font-size: 1.85rem; margin-bottom: 0.75rem; }
    h3 { font-size: 1.3rem; }
    p { margin-bottom: 1.25rem; }

    /* 悬浮胶囊导航 */
    .nav-floating-container {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 999;
      padding: 0 1rem;
    }
    .nav-pill {
      max-width: 1140px;
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-md);
      border-radius: var(--radius-pill);
      padding: 0.6rem 1.6rem;
      border: 1px solid rgba(226, 232, 240, 0.8);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      margin-right: 0.5rem;
      font-size: 1.45rem;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      align-items: center;
      gap: 1.5rem;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--secondary-light);
      padding: 0.4rem 0.8rem;
      border-radius: var(--radius-pill);
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: var(--primary);
      color: #fff !important;
      padding: 0.45rem 1.2rem;
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(192, 86, 33, 0.25);
    }
    .nav-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    /* 布局框架微调 */
    .section-wrap {
      padding: 5rem 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .section-light { background-color: var(--bg-light); }
    .section-white { background-color: var(--bg-white); }
    .section-slate { background-color: var(--bg-slate); }
    .section-dark { background-color: var(--secondary); color: #fff; }
    .section-header {
      margin-bottom: 3rem;
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.7;
      margin-top: 0.5rem;
    }
    .badge-label {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-pill);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 0.8rem;
    }
    .badge-primary { background: var(--primary-light); color: var(--primary-dark); }
    .badge-green { background: #C6F6D5; color: var(--accent-green); }
    .badge-yellow { background: var(--badge-yellow); color: var(--badge-text); }

    /* Hero：视频官网全宽遮罩 */
    .hero-video-section {
      position: relative;
      padding: 10.5rem 0 6.5rem;
      background: url('/assets/images/36152a67e9484dbd.webp') center center / cover no-repeat;
      color: #fff;
      overflow: hidden;
    }
    .hero-overlay {
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: linear-gradient(135deg, rgba(26, 32, 44, 0.94) 0%, rgba(26, 32, 44, 0.82) 100%);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-video-section h1 {
      color: #fff;
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 1.5rem;
    }
    .hero-direct-answer {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      margin-bottom: 2rem;
      backdrop-filter: blur(8px);
    }
    .hero-desc {
      color: #E2E8F0;
      font-size: 1.1rem;
      line-height: 1.8;
      margin-bottom: 0;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1.2rem;
      align-items: center;
      margin-top: 2rem;
    }
    .btn-main {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--primary);
      color: #fff;
      padding: 0.85rem 2rem;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 15px rgba(192, 86, 33, 0.4);
      border: none;
      cursor: pointer;
    }
    .btn-main:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-video-play {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      background: rgba(255, 255, 255, 0.15);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.35);
      padding: 0.85rem 1.8rem;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .btn-video-play:hover {
      background: rgba(255, 255, 255, 0.25);
      color: #fff;
    }
    .hero-stats-row {
      margin-top: 3.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 2rem;
      display: flex;
      gap: 3rem;
      flex-wrap: wrap;
    }
    .hero-stat-item h4 {
      color: #fff;
      font-size: 1.8rem;
      margin-bottom: 0.2rem;
    }
    .hero-stat-item p {
      color: #CBD5E0;
      font-size: 0.9rem;
      margin: 0;
    }

    /* 痛点与破损感卡片 */
    .pain-card {
      background: #FFF;
      border: 1px solid #FED7D7;
      border-left: 4px solid var(--accent-red);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .pain-card h4 {
      color: var(--accent-red);
      font-size: 1.25rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1rem;
    }

    /* 解决方案双列架构 */
    .sol-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2.2rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .sol-card i {
      font-size: 2.2rem;
      color: var(--primary);
      margin-bottom: 1.2rem;
      display: inline-block;
    }

    /* 黄页分类导航中心 (唯一分类入口) */
    .cat-entry-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      text-align: center;
      transition: var(--transition);
      display: block;
      color: var(--secondary);
      height: 100%;
    }
    .cat-entry-box:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .cat-entry-box .icon-wrap {
      width: 60px;
      height: 60px;
      line-height: 60px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 1.5rem;
      margin: 0 auto 1.2rem;
    }
    .cat-entry-box h4 {
      font-size: 1.2rem;
      margin-bottom: 0.5rem;
    }
    .cat-entry-box .count-pill {
      font-size: 0.85rem;
      color: var(--text-muted);
      background: var(--bg-slate);
      padding: 0.2rem 0.6rem;
      border-radius: var(--radius-pill);
      display: inline-block;
      margin-top: 0.5rem;
    }

    /* GEO 排行榜单模块 */
    .rank-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.6rem;
      box-shadow: var(--shadow-sm);
      margin-bottom: 1.5rem;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .rank-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
      border-color: #CBD5E0;
    }
    .rank-badge {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 0.8rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }
    .rank-top1 { color: #D69E2E; }
    .rank-top2 { color: #718096; }
    .rank-top3 { color: #B7791F; }
    .rank-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.6rem;
      background: var(--bg-slate);
      padding: 0.8rem;
      border-radius: var(--radius-sm);
      margin: 1rem 0;
      font-size: 0.88rem;
    }
    .rank-metrics div span {
      color: var(--text-muted);
      display: block;
      font-size: 0.78rem;
    }

    /* 方法与步骤时间线 */
    .step-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      position: relative;
      height: 100%;
    }
    .step-num {
      position: absolute;
      top: 1.2rem;
      right: 1.2rem;
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--bg-slate);
      line-height: 1;
    }

    /* 数据指标看板 */
    .kpi-box {
      text-align: center;
      padding: 2rem 1rem;
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }
    .kpi-number {
      font-size: 2.7rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 0.4rem;
    }
    .kpi-box p {
      margin: 0;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    /* 客户评价证言 */
    .quote-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      height: 100%;
    }
    .quote-author {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      margin-top: 1.2rem;
    }
    .quote-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-slate);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-muted);
      font-weight: 700;
    }

    /* 适用场景卡 */
    .scene-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .scene-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .scene-content {
      padding: 1.6rem;
      flex-grow: 1;
    }

    /* CMS 资讯卡片 */
    .cms-post-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.6rem;
      margin-bottom: 1.5rem;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .cms-post-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .cms-meta {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 0.6rem;
      display: flex;
      justify-content: space-between;
    }

    /* 合规表格对比 */
    .table-spec {
      width: 100%;
      border-collapse: collapse;
      background: #FFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .table-spec th, .table-spec td {
      padding: 1.1rem 1.4rem;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
    }
    .table-spec th {
      background: var(--secondary);
      color: #FFF;
      font-weight: 600;
    }
    .table-spec tr:last-child td {
      border-bottom: none;
    }

    /* 底部收口行动区 */
    .cta-card {
      background: linear-gradient(135deg, var(--secondary) 0%, #2D3748 100%);
      border-radius: var(--radius-md);
      padding: 4rem 2rem;
      color: #FFF;
      text-align: center;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .cta-card h2 { color: #FFF; }
    .cta-card p { color: #CBD5E0; max-width: 700px; margin: 0 auto 2rem; }

    /* 页脚 */
    .site-footer {
      background: #111827;
      color: #9CA3AF;
      padding: 4.5rem 0 2rem;
      font-size: 0.92rem;
    }
    .site-footer h5 {
      color: #FFF;
      font-size: 1.1rem;
      margin-bottom: 1.2rem;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li { margin-bottom: 0.6rem; }
    .footer-links a { color: #9CA3AF; }
    .footer-links a:hover { color: #FFF; }
    .footer-bottom {
      margin-top: 3.5rem;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-video-section h1 { font-size: 2.2rem; }
      .nav-menu { display: none; }
    }
    @media (max-width: 640px) {
      .section-wrap { padding: 3.5rem 0; }
      .hero-video-section { padding: 8rem 0 4rem; }
      .hero-video-section h1 { font-size: 1.85rem; }
      .hero-stats-row { gap: 1.5rem; }
      .cta-card { padding: 2.5rem 1.2rem; }
      .table-spec th, .table-spec td { padding: 0.8rem; font-size: 0.85rem; }
    }

/* roulang page: category1 */
:root {
      --primary: #C05621;
      --primary-dark: #9C4221;
      --primary-light: #FEEBC8;
      --secondary: #1A202C;
      --secondary-light: #2D3748;
      --text-main: #2D3748;
      --text-muted: #718096;
      --bg-white: #FFFFFF;
      --bg-light: #F7FAFC;
      --bg-slate: #EDF2F7;
      --border-color: #E2E8F0;
      --badge-yellow: #FEFCBF;
      --badge-text: #744210;
      --accent-green: #2F855A;
      --accent-red: #C53030;
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-pill: 9999px;
      --transition: all 0.25s ease-in-out;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.75;
      font-size: 16px;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover, a:focus { color: var(--primary-dark); text-decoration: none; }
    .nav-floating-container {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 999;
      padding: 0 1rem;
    }
    .nav-pill {
      max-width: 1140px;
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-md);
      border-radius: var(--radius-pill);
      padding: 0.6rem 1.6rem;
      border: 1px solid rgba(226, 232, 240, 0.8);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      margin-right: 0.5rem;
      font-size: 1.45rem;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      align-items: center;
      gap: 1.5rem;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--secondary-light);
      padding: 0.4rem 0.8rem;
      border-radius: var(--radius-pill);
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: var(--primary);
      color: #fff !important;
      padding: 0.45rem 1.2rem;
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(192, 86, 33, 0.25);
    }
    .nav-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }
    .section-wrap {
      padding: 4.5rem 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .section-light { background-color: var(--bg-light); }
    .section-white { background-color: var(--bg-white); }
    .section-slate { background-color: var(--bg-slate); }
    .section-dark { background-color: var(--secondary); color: #fff; }
    .section-header {
      margin-bottom: 2.8rem;
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.7;
      margin-top: 0.5rem;
    }
    .badge-label {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-pill);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 0.8rem;
    }
    .badge-primary { background: var(--primary-light); color: var(--primary-dark); }
    .badge-green { background: #C6F6D5; color: var(--accent-green); }
    .badge-yellow { background: var(--badge-yellow); color: var(--badge-text); }
    .btn-main {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--primary);
      color: #fff !important;
      padding: 0.8rem 1.8rem;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 15px rgba(192, 86, 33, 0.35);
      border: none;
      cursor: pointer;
    }
    .btn-main:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: #fff;
      color: var(--secondary) !important;
      border: 1px solid var(--border-color);
      padding: 0.75rem 1.6rem;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary) !important;
      box-shadow: var(--shadow-sm);
    }
    .cat-head-block {
      padding-top: 8rem;
      padding-bottom: 3.5rem;
      background: linear-gradient(180deg, #FFF8EE 0%, var(--bg-white) 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .cat-breadcrumbs {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }
    .cat-breadcrumbs a { color: var(--text-muted); }
    .cat-breadcrumbs a:hover { color: var(--primary); }
    .cat-title-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: flex-end;
      gap: 1.5rem;
      margin-bottom: 1.5rem;
    }
    .cat-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--secondary);
      margin: 0;
      line-height: 1.25;
    }
    .cat-meta-tag {
      background: #fff;
      border: 1px solid var(--border-color);
      padding: 0.4rem 1rem;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      color: var(--secondary-light);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      box-shadow: var(--shadow-sm);
    }
    .cat-meta-tag i { color: var(--accent-green); }
    .filter-bar-matrix {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      box-shadow: var(--shadow-sm);
      margin-bottom: 2rem;
    }
    .filter-group-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      padding: 0.6rem 0;
      border-bottom: 1px dashed #EDF2F7;
    }
    .filter-group-row:last-child { border-bottom: none; }
    .filter-label {
      width: 90px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
    }
    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      flex: 1;
    }
    .filter-chip {
      font-size: 0.85rem;
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-pill);
      color: var(--secondary-light);
      background: var(--bg-slate);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .filter-chip:hover, .filter-chip.active {
      background: var(--primary-light);
      color: var(--primary-dark);
      font-weight: 600;
    }
    .yellowpage-item-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      margin-bottom: 1.5rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .yellowpage-item-card:hover {
      border-color: #CBD5E0;
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .yp-badge-code {
      font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.8rem;
      color: var(--text-muted);
      background: #F7FAFC;
      padding: 0.2rem 0.5rem;
      border-radius: 4px;
      border: 1px solid var(--border-color);
    }
    .yp-ent-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--secondary);
      margin-top: 0.6rem;
      margin-bottom: 0.5rem;
    }
    .yp-tag-pill {
      font-size: 0.75rem;
      padding: 0.15rem 0.55rem;
      background: var(--bg-slate);
      color: var(--secondary-light);
      border-radius: var(--radius-pill);
      margin-right: 0.4rem;
      margin-bottom: 0.4rem;
      display: inline-block;
    }
    .yp-info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 0.75rem;
      margin: 1rem 0;
      font-size: 0.88rem;
      color: var(--text-muted);
      background: #FBFDFF;
      border: 1px solid #EDF2F7;
      padding: 0.85rem 1rem;
      border-radius: var(--radius-sm);
    }
    .yp-info-grid span i {
      color: var(--primary);
      margin-right: 0.35rem;
    }
    .yp-post-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary);
    }
    .yp-post-link:hover {
      color: var(--primary-dark);
      text-decoration: underline;
    }
    .pagination-toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      padding: 1.5rem;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-top: 1rem;
    }
    .page-nav-btns {
      display: flex;
      gap: 0.5rem;
    }
    .page-num {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      color: var(--secondary);
      font-size: 0.9rem;
      font-weight: 600;
    }
    .page-num.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }
    .subcat-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }
    .subcat-tile {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0.8rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      color: var(--secondary);
      font-weight: 600;
      font-size: 0.95rem;
      flex: 1 1 calc(25% - 0.75rem);
      min-width: 220px;
    }
    .subcat-tile:hover {
      border-color: var(--primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      color: var(--primary);
    }
    .subcat-tile span {
      background: var(--bg-slate);
      color: var(--text-muted);
      font-size: 0.75rem;
      padding: 0.15rem 0.5rem;
      border-radius: var(--radius-pill);
      font-weight: normal;
    }
    .criteria-box {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .criteria-box h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--secondary);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1.25rem;
    }
    .criteria-step-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .criteria-step-list li {
      position: relative;
      padding-left: 2rem;
      margin-bottom: 1.2rem;
      font-size: 0.95rem;
      color: var(--secondary-light);
    }
    .criteria-step-list li::before {
      content: "\f058";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--accent-green);
      position: absolute;
      left: 0;
      top: 2px;
    }
    .accordion-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 0.85rem;
      overflow: hidden;
    }
    .accordion-question {
      padding: 1.25rem 1.5rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--secondary);
      background: #fff;
      transition: var(--transition);
    }
    .accordion-question:hover {
      background: #FDFDFD;
      color: var(--primary);
    }
    .accordion-answer {
      padding: 0 1.5rem 1.25rem;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.75;
      border-top: 1px solid #F1F5F9;
      background: #FAFCFE;
    }
    .site-footer {
      background: var(--secondary);
      color: #D1D5DB;
      padding: 4.5rem 0 2rem;
      border-top: 4px solid var(--primary);
      margin-top: 0;
    }
    .site-footer h5 {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 0.6rem;
    }
    .footer-links a {
      color: #9CA3AF;
      font-size: 0.9rem;
    }
    .footer-links a:hover {
      color: #fff;
      text-decoration: underline;
    }
    .footer-bottom {
      border-top: 1px solid #374151;
      padding-top: 2rem;
      margin-top: 3rem;
      font-size: 0.85rem;
      color: #9CA3AF;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
    }
    @media (max-width: 840px) {
      .nav-menu { display: none; }
      .cat-h1 { font-size: 1.85rem; }
      .filter-label { width: 100%; margin-bottom: 0.3rem; }
      .subcat-tile { flex: 1 1 100%; }
    }

/* roulang page: article */
:root {
      --primary: #C05621;
      --primary-dark: #9C4221;
      --primary-light: #FEEBC8;
      --secondary: #1A202C;
      --secondary-light: #2D3748;
      --text-main: #2D3748;
      --text-muted: #718096;
      --bg-white: #FFFFFF;
      --bg-light: #F7FAFC;
      --bg-slate: #EDF2F7;
      --border-color: #E2E8F0;
      --badge-yellow: #FEFCBF;
      --badge-text: #744210;
      --accent-green: #2F855A;
      --accent-red: #C53030;
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-pill: 9999px;
      --transition: all 0.25s ease-in-out;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.75;
      font-size: 16px;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover, a:focus { color: var(--primary-dark); text-decoration: none; }
    .nav-floating-container {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 999;
      padding: 0 1rem;
    }
    .nav-pill {
      max-width: 1140px;
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-md);
      border-radius: var(--radius-pill);
      padding: 0.6rem 1.6rem;
      border: 1px solid rgba(226, 232, 240, 0.8);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      margin-right: 0.5rem;
      font-size: 1.45rem;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      align-items: center;
      gap: 1.5rem;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--secondary-light);
      padding: 0.4rem 0.8rem;
      border-radius: var(--radius-pill);
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: var(--primary);
      color: #fff !important;
      padding: 0.45rem 1.2rem;
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(192, 86, 33, 0.25);
    }
    .nav-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }
    .article-page-header {
      padding-top: 7.5rem;
      padding-bottom: 2.5rem;
      background: var(--bg-light);
      border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb-nav {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
    }
    .breadcrumb-nav a {
      color: var(--text-muted);
    }
    .breadcrumb-nav a:hover {
      color: var(--primary);
    }
    .breadcrumb-separator {
      margin: 0 0.5rem;
      color: #A0AEC0;
    }
    .article-header-card {
      max-width: 900px;
      margin: 0 auto;
    }
    .article-badge-row {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1rem;
      flex-wrap: wrap;
    }
    .badge-label {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-pill);
      letter-spacing: 0.3px;
    }
    .badge-primary { background: var(--primary-light); color: var(--primary-dark); }
    .badge-green { background: #C6F6D5; color: var(--accent-green); }
    .article-title-main {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.35;
      margin-bottom: 1.25rem;
    }
    .article-meta-bar {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      color: var(--text-muted);
      font-size: 0.9rem;
      padding-bottom: 0.5rem;
      flex-wrap: wrap;
    }
    .article-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }
    .section-wrap {
      padding: 3.5rem 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-white { background-color: var(--bg-white); }
    .section-light { background-color: var(--bg-light); }
    .section-slate { background-color: var(--bg-slate); }
    .reading-lead-box {
      max-width: 860px;
      margin: 0 auto 3rem auto;
      background: #FFFAF0;
      border-left: 4px solid var(--primary);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      padding: 1.5rem 2rem;
      box-shadow: var(--shadow-sm);
    }
    .lead-box-title {
      font-weight: 700;
      color: var(--primary-dark);
      font-size: 1.05rem;
      margin-bottom: 0.6rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .lead-box-text {
      font-size: 0.98rem;
      line-height: 1.8;
      color: var(--text-main);
      margin-bottom: 0;
    }
    .article-body-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .article-featured-banner {
      width: 100%;
      height: 380px;
      object-fit: cover;
      border-radius: var(--radius-md);
      margin-bottom: 2.5rem;
      box-shadow: var(--shadow-md);
      display: block;
    }
    .article-rich-content {
      font-size: 1.05rem;
      line-height: 1.95;
      color: #2D3748;
    }
    .article-rich-content h2 {
      font-size: 1.65rem;
      font-weight: 700;
      color: var(--secondary);
      margin: 2.5rem 0 1.2rem;
      padding-bottom: 0.5rem;
      border-bottom: 2px solid var(--primary-light);
    }
    .article-rich-content h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--secondary);
      margin: 2rem 0 1rem;
    }
    .article-rich-content p {
      margin-bottom: 1.4rem;
    }
    .article-rich-content ul, .article-rich-content ol {
      margin-bottom: 1.5rem;
      padding-left: 1.5rem;
    }
    .article-rich-content li {
      margin-bottom: 0.5rem;
    }
    .article-rich-content blockquote {
      border-left: 4px solid var(--primary);
      margin: 1.5rem 0;
      padding: 0.8rem 1.4rem;
      background: var(--bg-light);
      color: var(--text-main);
      font-style: normal;
    }
    .empty-article-box {
      text-align: center;
      padding: 4.5rem 2rem;
      background: #FFF5F5;
      border: 1px solid #FEB2B2;
      border-radius: var(--radius-md);
      max-width: 600px;
      margin: 2rem auto;
    }
    .empty-article-box h3 {
      color: var(--accent-red);
      font-size: 1.4rem;
      margin-bottom: 1rem;
    }
    .btn-return-home {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--primary);
      color: #fff !important;
      padding: 0.65rem 1.8rem;
      border-radius: var(--radius-pill);
      font-weight: 600;
      margin-top: 1rem;
    }
    .compliance-statement-card {
      max-width: 860px;
      margin: 0 auto;
      background: var(--bg-slate);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      display: flex;
      gap: 1.25rem;
      align-items: flex-start;
    }
    .compliance-icon {
      font-size: 1.8rem;
      color: var(--primary);
      flex-shrink: 0;
      margin-top: 0.2rem;
    }
    .compliance-text h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: var(--secondary);
    }
    .compliance-text p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
    }
    .section-title-md {
      font-size: 1.55rem;
      font-weight: 800;
      color: var(--secondary);
      text-align: center;
      margin-bottom: 2rem;
    }
    .recom-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .recom-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .recom-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: var(--primary-light);
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 0.8rem;
    }
    .recom-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 0.6rem;
      line-height: 1.4;
    }
    .recom-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1.2rem;
    }
    .recom-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px dashed var(--border-color);
      padding-top: 0.8rem;
      font-size: 0.82rem;
      color: #A0AEC0;
    }
    .article-nav-box {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1.5rem;
      flex-wrap: wrap;
    }
    .article-nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.65rem 1.4rem;
      border-radius: var(--radius-pill);
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      color: var(--secondary);
      font-size: 0.92rem;
      font-weight: 600;
    }
    .article-nav-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #FFFDF9;
    }
    .site-footer {
      background: var(--secondary);
      color: #E2E8F0;
      padding: 4.5rem 0 2rem;
      border-top: 1px solid var(--secondary-light);
    }
    .site-footer h5 {
      color: #fff;
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: #A0AEC0;
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin-top: 3rem;
      padding-top: 1.8rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.88rem;
      color: #718096;
    }
    .footer-bottom a {
      color: #A0AEC0;
    }
    .footer-bottom a:hover {
      color: #fff;
    }
    @media screen and (max-width: 640px) {
      .nav-menu { display: none; }
      .article-title-main { font-size: 1.65rem; }
      .article-featured-banner { height: 220px; }
      .reading-lead-box { padding: 1.2rem; }
    }