/* roulang page: index */
:root {
      --primary: #17428b;
      --primary-dark: #0f2d62;
      --primary-light: #2563eb;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --top-bar-bg: #1e3a6c;
    }
    * { 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;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
    a:hover { color: var(--primary-light); }

    /* 顶部微条 */
    .top-meta-strip {
      background-color: var(--top-bar-bg);
      color: #cbd5e1;
      font-size: 12px;
      padding: 6px 0;
    }
    .top-meta-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 主导航 */
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .logo-symbol {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #1d4ed8, #1e40af);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 19px;
      box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
    }
    .brand-text-wrap {
      display: flex;
      flex-direction: column;
    }
    .brand-name {
      font-size: 21px;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.2;
    }
    .brand-en {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 1.5px;
      color: #64748b;
    }
    .brand-slogan {
      font-size: 13px;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 14px;
      margin-left: 4px;
    }
    .nav-search-wrap {
      display: flex;
      align-items: center;
      gap: 24px;
      flex: 1;
      justify-content: flex-end;
    }
    .search-input-box {
      position: relative;
      width: 320px;
      max-width: 100%;
    }
    .search-input-box input {
      width: 100%;
      height: 38px;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 0 40px 0 16px;
      font-size: 13px;
      outline: none;
      background-color: #f8fafc;
      margin-bottom: 0;
      transition: all 0.2s;
    }
    .search-input-box input:focus {
      background-color: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(23, 66, 139, 0.1);
    }
    .search-input-box svg {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      color: var(--text-muted);
    }

    /* 快捷分类条 */
    .sub-nav-bar {
      border-bottom: 1px solid var(--border-color);
      background: #fff;
    }
    .sub-nav-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sub-nav-links {
      display: flex;
      gap: 28px;
    }
    .sub-nav-link {
      display: inline-block;
      padding: 13px 2px;
      font-size: 14px;
      font-weight: 500;
      color: #334155;
      position: relative;
    }
    .sub-nav-link.active, .sub-nav-link:hover {
      color: var(--primary);
    }
    .sub-nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
    }
    .about-link {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 页面主容器 */
    .page-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 24px 20px 48px;
    }

    /* 顶部频道矩阵区 */
    .hub-header-section {
      display: flex;
      align-items: stretch;
      gap: 16px;
      margin-bottom: 30px;
    }
    .hub-title-badge {
      background: #0f172a;
      color: #fff;
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 600;
      letter-spacing: 0.5px;
      white-space: nowrap;
      min-width: 160px;
      border-radius: 4px;
    }
    .hub-channels-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      flex: 1;
      gap: 12px;
    }
    .hub-channel-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 14px 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: relative;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .hub-channel-card:hover {
      border-color: #94a3b8;
      box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }
    .channel-meta {
      display: flex;
      flex-direction: column;
    }
    .channel-idx-name {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin-bottom: 4px;
    }
    .channel-idx {
      font-size: 11px;
      font-weight: 700;
      color: #94a3b8;
    }
    .channel-name {
      font-size: 15px;
      font-weight: 600;
      color: #0f172a;
    }
    .channel-desc {
      font-size: 12px;
      color: #64748b;
    }
    .channel-arrow {
      color: #94a3b8;
      transition: transform 0.2s;
    }
    .hub-channel-card:hover .channel-arrow {
      transform: translate(2px, -2px);
      color: var(--primary);
    }
    .hub-channel-card.action-btn {
      background-color: var(--primary);
      color: #fff;
      border-color: var(--primary);
      justify-content: center;
      gap: 8px;
    }
    .hub-channel-card.action-btn .btn-text {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
    }
    .hub-channel-card.action-btn svg {
      stroke: #fff;
      width: 18px;
      height: 18px;
    }
    .hub-channel-card.action-btn:hover {
      background-color: var(--primary-dark);
      border-color: var(--primary-dark);
    }

    /* 主体双栏版块 */
    .dual-stream-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .stream-column {
      background: #fff;
    }
    .stream-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      border-bottom: 2px solid #0f172a;
      padding-bottom: 12px;
      margin-bottom: 20px;
    }
    .stream-title-group h2, .stream-title-group h1 {
      margin: 0;
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .stream-title-indicator {
      width: 4px;
      height: 18px;
      background-color: var(--primary);
      display: inline-block;
    }
    .stream-desc {
      font-size: 13px;
      color: #64748b;
      margin-top: 6px;
    }
    .stream-corner-arrow {
      color: #64748b;
      padding: 4px;
    }

    /* 焦点轮播图卡片 */
    .stream-hero-card {
      position: relative;
      border-radius: 6px;
      overflow: hidden;
      height: 250px;
      margin-bottom: 20px;
      background-color: #0f172a;
    }
    .stream-hero-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.72;
      transition: transform 0.4s ease, opacity 0.3s;
    }
    .stream-hero-card:hover img {
      transform: scale(1.03);
      opacity: 0.6;
    }
    .stream-hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15,23,42,0.2) 0%, rgba(15,23,42,0.88) 100%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 24px;
      color: #fff;
    }
    .hero-item-title {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.4;
      color: #fff;
      margin-bottom: 16px;
      text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    }
    .hero-controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255,255,255,0.2);
      padding-top: 10px;
    }
    .hero-nav-arrow {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: #cbd5e1;
    }
    .hero-btn {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }
    .hero-btn:hover {
      background: rgba(255,255,255,0.2);
    }

    /* 资讯条目列表 */
    .stream-article-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .stream-article-item {
      padding: 16px 0;
      border-bottom: 1px solid #f1f5f9;
      display: flex;
      flex-direction: column;
      gap: 6px;
      transition: background-color 0.15s;
    }
    .stream-article-item:hover .article-link-title {
      color: var(--primary);
    }
    .article-main-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
    }
    .article-link-title {
      font-size: 15px;
      font-weight: 500;
      color: #1e293b;
      line-height: 1.5;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-sub-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #94a3b8;
    }
    .article-source-tag {
      color: #64748b;
    }

    /* 查看更多按钮行 */
    .stream-more-row {
      padding: 18px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid #e2e8f0;
      margin-top: 8px;
    }
    .stream-more-link {
      font-size: 14px;
      font-weight: 600;
      color: #334155;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .stream-more-link:hover {
      color: var(--primary);
    }

    /* 页脚 */
    .site-footer {
      background-color: #f8fafc;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 28px;
      margin-top: 48px;
    }
    .footer-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .footer-main-row {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 36px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-about-text {
      font-size: 13px;
      color: #64748b;
      line-height: 1.7;
      max-width: 480px;
    }
    .footer-col-title {
      font-size: 13px;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }
    .footer-links-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      font-size: 13px;
      color: #64748b;
    }
    .footer-links-list a:hover {
      color: var(--primary);
    }
    .footer-bottom-bar {
      border-top: 1px solid #e2e8f0;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #94a3b8;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hub-header-section {
        flex-direction: column;
      }
      .hub-channels-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .dual-stream-wrap {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .footer-main-row {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .top-meta-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
      .header-inner {
        flex-direction: column;
        align-items: stretch;
      }
      .brand-group {
        justify-content: space-between;
      }
      .nav-search-wrap {
        width: 100%;
      }
      .search-input-box {
        width: 100%;
      }
      .sub-nav-inner {
        overflow-x: auto;
      }
      .sub-nav-links {
        white-space: nowrap;
      }
      .hub-channels-grid {
        grid-template-columns: 1fr;
      }
      .footer-main-row {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        text-align: center;
        gap: 8px;
      }
    }
    @media (max-width: 520px) {
      .stream-hero-card {
        height: 200px;
      }
      .hero-item-title {
        font-size: 16px;
      }
      .stream-title-group h2, .stream-title-group h1 {
        font-size: 18px;
      }
    }

/* roulang page: article */
:root {
      --primary: #17428b;
      --primary-dark: #0f2d62;
      --primary-light: #2563eb;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --top-bar-bg: #1e3a6c;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
    a:hover { color: var(--primary-light); }
    .top-meta-strip {
      background-color: var(--top-bar-bg);
      color: #cbd5e1;
      font-size: 12px;
      padding: 6px 0;
    }
    .top-meta-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .logo-symbol {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #1d4ed8, #1e40af);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 19px;
      box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
    }
    .brand-text-wrap {
      display: flex;
      flex-direction: column;
    }
    .brand-name {
      font-size: 21px;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.2;
    }
    .brand-en {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 1.5px;
      color: #64748b;
    }
    .brand-slogan {
      font-size: 13px;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 14px;
      margin-left: 4px;
    }
    .nav-search-wrap {
      display: flex;
      align-items: center;
      gap: 24px;
      flex: 1;
      justify-content: flex-end;
    }
    .search-input-box {
      position: relative;
      width: 320px;
      max-width: 100%;
    }
    .search-input-box input {
      width: 100%;
      height: 38px;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 0 40px 0 16px;
      font-size: 13px;
      outline: none;
      background-color: #f8fafc;
      margin-bottom: 0;
      transition: all 0.2s;
    }
    .search-input-box input:focus {
      background-color: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(23, 66, 139, 0.1);
    }
    .search-input-box svg {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      color: var(--text-muted);
    }
    .sub-nav-bar {
      border-bottom: 1px solid var(--border-color);
      background: #fff;
    }
    .sub-nav-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sub-nav-links {
      display: flex;
      gap: 28px;
    }
    .sub-nav-link {
      display: inline-block;
      padding: 13px 2px;
      font-size: 14px;
      font-weight: 500;
      color: #334155;
      position: relative;
    }
    .sub-nav-link.active, .sub-nav-link:hover {
      color: var(--primary);
    }
    .sub-nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
    }
    .page-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 24px 20px 60px;
    }
    .article-breadcrumbs {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .article-breadcrumbs a {
      color: var(--text-muted);
    }
    .article-breadcrumbs a:hover {
      color: var(--primary-light);
    }
    .article-breadcrumbs span {
      color: var(--text-light);
    }
    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 36px;
      align-items: start;
    }
    .article-main-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 36px 40px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    }
    .article-header {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 20px;
      margin-bottom: 28px;
    }
    .article-category-tag {
      display: inline-block;
      background-color: #eff6ff;
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .article-title {
      font-size: 28px;
      line-height: 1.4;
      font-weight: 700;
      color: #0f172a;
      margin: 0 0 16px 0;
    }
    .article-meta-row {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
      flex-wrap: wrap;
    }
    .article-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-lead {
      background: var(--bg-light);
      border-left: 4px solid var(--primary);
      padding: 16px 20px;
      border-radius: 0 6px 6px 0;
      font-size: 15px;
      line-height: 1.7;
      color: #334155;
      margin-bottom: 32px;
    }
    .article-body {
      font-size: 16px;
      line-height: 1.85;
      color: #1e293b;
      word-break: break-word;
    }
    .article-body p {
      margin-bottom: 20px;
    }
    .article-body h2 {
      font-size: 22px;
      font-weight: 700;
      color: #0f172a;
      margin: 36px 0 16px 0;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border-color);
    }
    .article-body h3 {
      font-size: 18px;
      font-weight: 600;
      color: #1e293b;
      margin: 28px 0 12px 0;
    }
    .article-body ul, .article-body ol {
      margin-left: 20px;
      margin-bottom: 20px;
    }
    .article-body li {
      margin-bottom: 8px;
    }
    .article-body img {
      max-width: 100%;
      height: auto;
      border-radius: 6px;
      margin: 16px 0;
      border: 1px solid var(--border-color);
    }
    .article-body blockquote {
      border-left: 3px solid #cbd5e1;
      margin: 20px 0;
      padding: 10px 20px;
      background-color: var(--bg-light);
      color: var(--text-muted);
      font-style: normal;
    }
    .article-empty-wrap {
      text-align: center;
      padding: 60px 20px;
    }
    .article-empty-title {
      font-size: 20px;
      font-weight: 600;
      color: #475569;
      margin-bottom: 16px;
    }
    .btn-return-home {
      display: inline-block;
      padding: 10px 24px;
      background-color: var(--primary);
      color: #ffffff;
      border-radius: 6px;
      font-weight: 500;
      font-size: 14px;
    }
    .btn-return-home:hover {
      background-color: var(--primary-dark);
      color: #ffffff;
    }
    .article-footer-notice {
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px dashed var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
      color: var(--text-muted);
    }
    .article-sidebar {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .sidebar-widget {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 24px;
    }
    .widget-title {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin: 0 0 16px 0;
      position: relative;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-color);
    }
    .widget-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -1px;
      width: 40px;
      height: 2px;
      background-color: var(--primary);
    }
    .sidebar-post-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .sidebar-post-item {
      padding: 12px 0;
      border-bottom: 1px solid #f1f5f9;
    }
    .sidebar-post-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .sidebar-post-link {
      font-size: 14px;
      line-height: 1.5;
      color: #334155;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .sidebar-post-link:hover {
      color: var(--primary);
    }
    .sidebar-post-time {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 4px;
    }
    .callout-box {
      background: linear-gradient(145deg, #1e3a6c, #0f2d62);
      color: #ffffff;
      border-radius: 8px;
      padding: 24px;
    }
    .callout-box h4 {
      color: #ffffff;
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .callout-box p {
      font-size: 13px;
      line-height: 1.6;
      color: #cbd5e1;
      margin-bottom: 16px;
    }
    .callout-box a.btn-action {
      display: inline-block;
      width: 100%;
      text-align: center;
      background: #ffffff;
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      padding: 10px 0;
      border-radius: 6px;
    }
    .callout-box a.btn-action:hover {
      background: #f8fafc;
    }
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 56px 0 24px;
      border-top: 1px solid #1e293b;
    }
    .footer-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .footer-main-row {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand .site-logo .brand-name {
      color: #ffffff;
    }
    .footer-brand .site-logo .brand-en {
      color: #94a3b8;
    }
    .footer-about-text {
      font-size: 13px;
      line-height: 1.7;
      color: #94a3b8;
      margin-top: 16px;
      max-width: 440px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-links-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      font-size: 13px;
      color: #94a3b8;
    }
    .footer-links-list a:hover {
      color: #ffffff;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
      color: #64748b;
    }
    @media (max-width: 1024px) {
      .article-layout {
        grid-template-columns: 1fr;
      }
      .brand-slogan {
        display: none;
      }
    }
    @media (max-width: 768px) {
      .header-inner {
        flex-direction: column;
        align-items: stretch;
      }
      .nav-search-wrap {
        width: 100%;
      }
      .search-input-box {
        width: 100%;
      }
      .footer-main-row {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .article-main-card {
        padding: 24px 20px;
      }
      .article-title {
        font-size: 22px;
      }
      .sub-nav-links {
        gap: 16px;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 8px;
      }
    }
    @media (max-width: 520px) {
      .article-meta-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
      }
    }

/* roulang page: category1 */
:root {
      --primary: #17428b;
      --primary-dark: #0f2d62;
      --primary-light: #2563eb;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --top-bar-bg: #1e3a6c;
      --accent: #d97706;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
    a:hover { color: var(--primary-light); }
    
    .top-meta-strip {
      background-color: var(--top-bar-bg);
      color: #cbd5e1;
      font-size: 12px;
      padding: 6px 0;
    }
    .top-meta-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .logo-symbol {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #1d4ed8, #1e40af);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 19px;
      box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
    }
    .brand-text-wrap {
      display: flex;
      flex-direction: column;
    }
    .brand-name {
      font-size: 21px;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.2;
    }
    .brand-en {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 1.5px;
      color: #64748b;
    }
    .brand-slogan {
      font-size: 13px;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 14px;
      margin-left: 4px;
    }
    .nav-search-wrap {
      display: flex;
      align-items: center;
      gap: 24px;
      flex: 1;
      justify-content: flex-end;
    }
    .search-input-box {
      position: relative;
      width: 320px;
      max-width: 100%;
    }
    .search-input-box input {
      width: 100%;
      height: 38px;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 0 40px 0 16px;
      font-size: 13px;
      outline: none;
      background-color: #f8fafc;
      margin-bottom: 0;
      transition: all 0.2s;
    }
    .search-input-box input:focus {
      background-color: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(23, 66, 139, 0.1);
    }
    .search-input-box svg {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      color: var(--text-muted);
    }
    
    .sub-nav-bar {
      border-bottom: 1px solid var(--border-color);
      background: #fff;
    }
    .sub-nav-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sub-nav-links {
      display: flex;
      gap: 28px;
    }
    .sub-nav-link {
      display: inline-block;
      padding: 13px 2px;
      font-size: 14px;
      font-weight: 500;
      color: #334155;
      position: relative;
    }
    .sub-nav-link.active, .sub-nav-link:hover {
      color: var(--primary);
    }
    .sub-nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
    }

    .category-hero {
      background: linear-gradient(135deg, #0b1f44 0%, #17428b 100%);
      color: #fff;
      padding: 48px 0 56px;
      position: relative;
      overflow: hidden;
    }
    .category-hero::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: url('/assets/images/qlyplg03.jpg') center/cover no-repeat;
      opacity: 0.18;
      mix-blend-mode: overlay;
    }
    .category-hero-inner {
      position: relative;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
      z-index: 2;
    }
    .category-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(4px);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 500;
      color: #93c5fd;
      margin-bottom: 16px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .category-hero h1 {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
      margin: 0 0 16px;
      letter-spacing: -0.5px;
    }
    .category-hero p {
      font-size: 15px;
      color: #cbd5e1;
      max-width: 820px;
      line-height: 1.7;
      margin: 0 0 28px;
    }
    .hero-stat-row {
      display: flex;
      gap: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 24px;
    }
    .stat-item {
      display: flex;
      flex-direction: column;
    }
    .stat-val {
      font-size: 24px;
      font-weight: 700;
      color: #38bdf8;
      font-family: inherit;
    }
    .stat-label {
      font-size: 12px;
      color: #94a3b8;
    }

    .page-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 36px 20px 60px;
    }
    
    .section-title-wrap {
      border-bottom: 2px solid #0f172a;
      padding-bottom: 12px;
      margin-bottom: 24px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
    }
    .section-title {
      margin: 0;
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 18px;
      background: var(--primary);
      border-radius: 2px;
    }
    .section-tagline {
      font-size: 13px;
      color: var(--text-muted);
    }

    .pillar-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 48px;
    }
    .pillar-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 24px;
      transition: all 0.25s ease;
      position: relative;
    }
    .pillar-card:hover {
      box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }
    .pillar-icon {
      width: 44px;
      height: 44px;
      background: #eff6ff;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .pillar-icon svg { width: 22px; height: 22px; }
    .pillar-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }
    .pillar-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .pillar-tags {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }
    .pillar-tag {
      font-size: 11px;
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .feed-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
      align-items: start;
    }
    .post-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .post-card {
      display: flex;
      gap: 20px;
      padding: 18px;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      transition: all 0.2s ease;
    }
    .post-card:hover {
      border-color: #94a3b8;
      box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    }
    .post-thumb {
      width: 180px;
      height: 116px;
      flex-shrink: 0;
      border-radius: 6px;
      overflow: hidden;
      background: #f1f5f9;
    }
    .post-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .post-card:hover .post-thumb img {
      transform: scale(1.05);
    }
    .post-body {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .post-title {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.4;
      margin-bottom: 6px;
    }
    .post-card:hover .post-title {
      color: var(--primary);
    }
    .post-excerpt {
      font-size: 13px;
      color: #64748b;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 8px;
    }
    .post-meta-row {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 12px;
      color: var(--text-light);
    }
    .post-meta-tag {
      background: #eff6ff;
      color: var(--primary);
      padding: 1px 8px;
      border-radius: 3px;
      font-weight: 500;
    }

    .side-panel {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .side-widget {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 20px;
    }
    .widget-title {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      border-bottom: 1px solid #f1f5f9;
      padding-bottom: 10px;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .notice-item {
      padding: 10px 0;
      border-bottom: 1px dashed #f1f5f9;
    }
    .notice-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .notice-item h4 {
      font-size: 13px;
      font-weight: 600;
      color: #1e293b;
      margin: 0 0 4px;
    }
    .notice-item p {
      font-size: 12px;
      color: #64748b;
      margin: 0;
      line-height: 1.4;
    }
    .quick-tools-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .quick-tool-btn {
      padding: 10px 12px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 500;
      color: #334155;
      text-align: center;
      transition: all 0.2s;
    }
    .quick-tool-btn:hover {
      background: #eff6ff;
      border-color: #bfdbfe;
      color: var(--primary);
    }

    .methodology-strip {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 28px;
      margin-top: 48px;
    }
    .methodology-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .methodology-header h3 {
      font-size: 18px;
      font-weight: 700;
      margin: 0;
      color: #0f172a;
    }
    .process-steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .step-card {
      background: #fff;
      padding: 18px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      position: relative;
    }
    .step-num {
      font-size: 12px;
      font-weight: 800;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
      display: block;
    }
    .step-card h4 {
      font-size: 14px;
      font-weight: 600;
      margin: 0 0 6px;
      color: #0f172a;
    }
    .step-card p {
      font-size: 12px;
      color: #64748b;
      margin: 0;
      line-height: 1.5;
    }

    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      border-top: 1px solid #1e293b;
      padding: 48px 0 24px;
      margin-top: 60px;
    }
    .footer-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .footer-main-row {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .site-logo .brand-name {
      color: #fff;
    }
    .footer-brand .site-logo .brand-en {
      color: #94a3b8;
    }
    .footer-about-text {
      font-size: 13px;
      color: #94a3b8;
      line-height: 1.6;
      margin-top: 14px;
      max-width: 440px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-links-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links-list li {
      margin-bottom: 10px;
      font-size: 13px;
    }
    .footer-links-list a {
      color: #94a3b8;
    }
    .footer-links-list a:hover {
      color: #fff;
    }
    .footer-bottom-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 24px;
      font-size: 12px;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 1024px) {
      .pillar-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps-row { grid-template-columns: repeat(2, 1fr); }
      .feed-layout { grid-template-columns: 1fr; }
      .footer-main-row { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .header-inner { flex-direction: column; align-items: stretch; }
      .brand-slogan { display: none; }
      .search-input-box { width: 100%; }
      .sub-nav-links { overflow-x: auto; white-space: nowrap; padding-bottom: 8px; }
      .hero-stat-row { flex-wrap: wrap; gap: 20px; }
      .category-hero h1 { font-size: 24px; }
      .pillar-grid { grid-template-columns: 1fr; }
      .process-steps-row { grid-template-columns: 1fr; }
      .post-card { flex-direction: column; }
      .post-thumb { width: 100%; height: 180px; }
      .footer-main-row { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom-bar { flex-direction: column; align-items: flex-start; }
    }