/* roulang page: index */
:root {
      --primary-color: #1a4d96;
      --primary-hover: #12376d;
      --accent-blue: #236cd8;
      --bg-body: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #1d2939;
      --text-muted: #667085;
      --text-light: #98a2b3;
      --border-color: #eaecf0;
      --border-dark: #d0d5dd;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      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(--accent-blue);
    }

    /* Top Meta Bar */
    .top-strip {
      background-color: #101828;
      color: #98a2b3;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid #1f2a37;
    }
    .top-strip .strip-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* Main Header */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--primary-color);
      color: #fff;
      font-size: 20px;
      border-radius: 6px;
      box-shadow: 0 2px 6px rgba(26,77,150,0.25);
    }
    .brand-title {
      font-size: 22px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: #0f172a;
      line-height: 1.2;
      margin: 0;
    }
    .brand-subtitle {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin: 0;
    }
    .brand-tagline {
      font-size: 13px;
      color: var(--text-muted);
      margin-left: 20px;
      padding-left: 20px;
      border-left: 1px solid var(--border-color);
    }
    .search-box-wrap {
      position: relative;
      width: 320px;
    }
    .search-box-wrap input {
      height: 38px;
      border-radius: 4px;
      border: 1px solid var(--border-color);
      background: #f8fafc;
      padding: 0 40px 0 12px;
      font-size: 13px;
      color: var(--text-main);
      box-shadow: none;
      margin-bottom: 0;
    }
    .search-box-wrap input:focus {
      background: #fff;
      border-color: var(--primary-color);
    }
    .search-box-wrap .search-icon {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
      cursor: pointer;
    }

    /* Sub Navigation */
    .subnav-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }
    .nav-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-menu > li > a {
      display: inline-block;
      padding: 12px 18px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
    }
    .nav-menu > li > a:hover,
    .nav-menu > li.active > a {
      color: var(--primary-color);
      font-weight: 600;
    }
    .nav-menu > li.active > a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 18px;
      right: 18px;
      height: 2px;
      background: var(--primary-color);
    }
    .nav-right-link {
      font-size: 13px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Top Grid Showcase (Securities Hub) */
    .desk-hero-panel {
      margin-top: 24px;
      margin-bottom: 24px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 24px;
    }
    .desk-head-row {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid #f2f4f7;
    }
    .desk-pill {
      background: #0f172a;
      color: #ffffff;
      padding: 6px 14px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      border-radius: 2px;
    }
    .desk-head-title {
      font-size: 24px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
      line-height: 1;
    }
    .desk-head-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin: 0 0 0 12px;
    }
    .desk-entry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr) 140px;
      gap: 12px;
    }
    .entry-card {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: 4px;
      position: relative;
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .entry-card:hover {
      background: #ffffff;
      border-color: var(--primary-color);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }
    .entry-top {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 8px;
    }
    .entry-num {
      font-size: 11px;
      font-weight: 700;
      color: var(--text-light);
    }
    .entry-title {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .entry-sub {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .entry-arrow {
      color: var(--text-light);
      font-size: 12px;
    }
    .entry-card-btn {
      background: var(--primary-color);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      border-radius: 4px;
      padding: 16px;
      font-size: 14px;
      font-weight: 600;
      transition: background 0.2s;
    }
    .entry-card-btn:hover {
      background: var(--primary-hover);
      color: #fff;
    }

    /* Dual Column News Section */
    .news-dual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 40px;
    }
    .news-column {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 24px;
    }
    .column-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 6px;
    }
    .column-title-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .column-bar {
      width: 4px;
      height: 18px;
      background: var(--primary-color);
      border-radius: 2px;
    }
    .column-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .column-arrow-link {
      font-size: 14px;
      color: var(--text-muted);
    }
    .column-tagline {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    /* Featured Banner in Column */
    .featured-banner {
      position: relative;
      height: 220px;
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 20px;
      background-size: cover;
      background-position: center;
      display: flex;
      align-items: flex-end;
      padding: 20px;
      box-shadow: inset 0 -90px 70px rgba(0,0,0,0.85);
    }
    .featured-content {
      position: relative;
      z-index: 2;
      width: 100%;
    }
    .featured-title {
      color: #ffffff;
      font-size: 20px;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .featured-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: rgba(255,255,255,0.7);
      font-size: 11px;
    }
    .control-dots {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .control-btn {
      color: rgba(255,255,255,0.8);
      font-size: 12px;
      cursor: pointer;
    }

    /* Text Listing Items */
    .article-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .article-item {
      padding: 14px 0;
      border-bottom: 1px solid #f2f4f7;
    }
    .article-item:last-child {
      border-bottom: none;
    }
    .article-link-title {
      font-size: 14px;
      font-weight: 600;
      color: #1d2939;
      line-height: 1.45;
      display: block;
      margin-bottom: 6px;
      transition: color 0.15s;
    }
    .article-link-title:hover {
      color: var(--accent-blue);
    }
    .article-meta-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 11px;
      color: var(--text-light);
    }
    .meta-source {
      color: var(--text-muted);
    }
    .column-footer-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 16px;
      margin-top: 12px;
      border-top: 1px solid var(--border-color);
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }
    .column-footer-link:hover {
      color: var(--accent-blue);
    }

    /* Broad News Row Section (as in Reference Layout) */
    .sec-bulletin-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 24px;
      margin-bottom: 40px;
    }
    .bulletin-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid #f2f4f7;
    }
    .bulletin-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .bulletin-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      column-gap: 32px;
      row-gap: 16px;
    }
    .bulletin-item {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      padding-bottom: 12px;
      border-bottom: 1px dashed #f2f4f7;
    }
    .bulletin-left {
      display: flex;
      align-items: baseline;
      gap: 10px;
      max-width: 78%;
    }
    .bulletin-idx {
      font-size: 11px;
      font-weight: 700;
      color: var(--primary-color);
      min-width: 18px;
    }
    .bulletin-anchor {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-main);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .bulletin-anchor:hover {
      color: var(--accent-blue);
    }
    .bulletin-date {
      font-size: 11px;
      color: var(--text-light);
    }

    /* Site Footer */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-main-row {
      display: flex;
      justify-content: space-between;
      padding-bottom: 36px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 24px;
    }
    .footer-brand-side {
      max-width: 360px;
    }
    .footer-brand-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.6;
      color: var(--text-muted);
      margin: 0;
    }
    .footer-links-group {
      display: flex;
      gap: 60px;
    }
    .footer-col h5 {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      color: var(--text-light);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-col ul li a:hover {
      color: var(--primary-color);
    }
    .footer-bottom-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 11px;
      color: var(--text-light);
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .desk-entry-grid {
        grid-template-columns: repeat(2, 1fr) 140px;
      }
      .footer-links-group {
        gap: 32px;
      }
    }
    @media (max-width: 768px) {
      .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
      .brand-tagline {
        display: none;
      }
      .search-box-wrap {
        width: 100%;
      }
      .desk-head-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .desk-entry-grid {
        grid-template-columns: 1fr;
      }
      .entry-card-btn {
        padding: 12px;
      }
      .news-dual-grid {
        grid-template-columns: 1fr;
      }
      .bulletin-grid {
        grid-template-columns: 1fr;
      }
      .footer-main-row {
        flex-direction: column;
        gap: 30px;
      }
      .footer-bottom-row {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }

/* roulang page: article */
:root {
      --primary-color: #1a4d96;
      --primary-hover: #12376d;
      --accent-blue: #236cd8;
      --bg-body: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #1d2939;
      --text-muted: #667085;
      --text-light: #98a2b3;
      --border-color: #eaecf0;
      --border-dark: #d0d5dd;
      --danger-color: #d92d20;
      --success-color: #039855;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      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(--accent-blue);
    }
    .top-strip {
      background-color: #101828;
      color: #98a2b3;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid #1f2a37;
    }
    .top-strip-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--primary-color);
      color: #fff;
      font-size: 20px;
      border-radius: 6px;
      box-shadow: 0 2px 6px rgba(26,77,150,0.25);
    }
    .brand-title {
      font-size: 22px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: #0f172a;
      line-height: 1.2;
      margin: 0;
    }
    .brand-subtitle {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin: 0;
    }
    .brand-tagline {
      font-size: 13px;
      color: var(--text-muted);
      margin-left: 20px;
      padding-left: 20px;
      border-left: 1px solid var(--border-color);
    }
    .search-box-wrap {
      position: relative;
      width: 320px;
    }
    .search-box-wrap input {
      height: 38px;
      border-radius: 4px;
      border: 1px solid var(--border-color);
      background: #f8fafc;
      padding: 0 40px 0 12px;
      font-size: 13px;
      color: var(--text-main);
      box-shadow: none;
      margin-bottom: 0;
    }
    .search-box-wrap input:focus {
      background: #fff;
      border-color: var(--primary-color);
    }
    .search-box-wrap .search-icon {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
      cursor: pointer;
    }
    .subnav-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }
    .nav-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-menu > li > a {
      display: inline-block;
      padding: 12px 18px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
    }
    .nav-menu > li > a:hover,
    .nav-menu > li.active > a {
      color: var(--primary-color);
      font-weight: 600;
    }
    .nav-menu > li.active > a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 18px;
      right: 18px;
      height: 2px;
      background: var(--primary-color);
    }
    .nav-right-link {
      font-size: 13px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .breadcrumb-nav {
      padding: 14px 0;
      font-size: 13px;
      color: var(--text-muted);
    }
    .breadcrumb-nav a {
      color: var(--text-muted);
    }
    .breadcrumb-nav a:hover {
      color: var(--primary-color);
    }
    .breadcrumb-nav span {
      margin: 0 6px;
      color: var(--text-light);
    }
    .article-layout-wrap {
      padding-bottom: 48px;
    }
    .article-main-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 36px 40px;
      box-shadow: 0 1px 3px rgba(16,24,40,0.03);
    }
    .article-header {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 28px;
    }
    .article-cat-pill {
      display: inline-block;
      background: #eef4ff;
      color: var(--primary-color);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .article-title {
      font-size: 28px;
      line-height: 1.35;
      font-weight: 700;
      color: #0f172a;
      margin: 0 0 16px 0;
    }
    .article-meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .article-meta-row span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-abstract {
      background: #f8fafc;
      border-left: 4px solid var(--primary-color);
      padding: 16px 20px;
      border-radius: 0 6px 6px 0;
      margin-bottom: 30px;
      font-size: 14px;
      color: #475467;
      line-height: 1.7;
    }
    .article-abstract-title {
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .cms-article-content {
      font-size: 16px;
      line-height: 1.85;
      color: #344054;
      word-break: break-word;
    }
    .cms-article-content p {
      margin-bottom: 20px;
      font-size: 16px;
    }
    .cms-article-content h2 {
      font-size: 22px;
      font-weight: 700;
      color: #0f172a;
      margin-top: 36px;
      margin-bottom: 16px;
      padding-bottom: 8px;
      border-bottom: 1px solid #f2f4f7;
    }
    .cms-article-content h3 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-top: 28px;
      margin-bottom: 14px;
    }
    .cms-article-content blockquote {
      border-left: 4px solid var(--primary-color);
      background: #f0f4f9;
      padding: 14px 20px;
      margin: 24px 0;
      border-radius: 0 4px 4px 0;
      color: #334155;
      font-style: normal;
    }
    .cms-article-content ul, 
    .cms-article-content ol {
      margin-bottom: 20px;
      padding-left: 24px;
    }
    .cms-article-content li {
      margin-bottom: 8px;
    }
    .cms-article-content img {
      max-width: 100%;
      height: auto;
      border-radius: 6px;
      margin: 20px 0;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    }
    .cms-article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
      font-size: 14px;
    }
    .cms-article-content table th, 
    .cms-article-content table td {
      border: 1px solid var(--border-color);
      padding: 10px 14px;
      text-align: left;
    }
    .cms-article-content table th {
      background: #f8fafc;
      font-weight: 600;
      color: #0f172a;
    }
    .article-risk-notice {
      margin-top: 40px;
      padding: 18px 20px;
      background: #fef3f2;
      border: 1px solid #fee4e2;
      border-radius: 6px;
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }
    .article-risk-notice .notice-icon {
      color: var(--danger-color);
      font-size: 20px;
      margin-top: 2px;
    }
    .article-risk-notice .notice-text {
      font-size: 13px;
      line-height: 1.65;
      color: #7a271a;
    }
    .article-bottom-actions {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 32px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .tag-list-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .content-badge {
      display: inline-block;
      background: #f2f4f7;
      color: var(--text-muted);
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid #eaecf0;
    }
    .share-pill-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 4px;
      font-size: 13px;
      color: var(--text-main);
      cursor: pointer;
    }
    .share-pill-btn:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
    }
    .article-not-found {
      text-align: center;
      padding: 60px 20px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 6px;
    }
    .article-not-found .empty-icon {
      font-size: 48px;
      color: var(--text-light);
      margin-bottom: 16px;
    }
    .article-not-found h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .article-not-found p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .btn-return-home {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-color);
      color: #ffffff !important;
      padding: 10px 22px;
      border-radius: 4px;
      font-size: 14px;
      font-weight: 600;
    }
    .btn-return-home:hover {
      background: var(--primary-hover);
    }
    .sidebar-widget {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 20px;
      margin-bottom: 24px;
    }
    .widget-title-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 12px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }
    .widget-bar {
      width: 4px;
      height: 16px;
      background: var(--primary-color);
      border-radius: 2px;
    }
    .widget-title {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .side-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .side-list li {
      margin-bottom: 14px;
      padding-bottom: 14px;
      border-bottom: 1px dashed var(--border-color);
    }
    .side-list li:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }
    .side-link {
      display: block;
      font-size: 14px;
      line-height: 1.45;
      color: var(--text-main);
      font-weight: 500;
    }
    .side-link:hover {
      color: var(--primary-color);
    }
    .side-date {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 4px;
      display: block;
    }
    .side-banner {
      background: linear-gradient(135deg, #101828 0%, #1a4d96 100%);
      color: #ffffff;
      padding: 24px 20px;
      border-radius: 6px;
      margin-bottom: 24px;
    }
    .side-banner h4 {
      font-size: 17px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 10px;
    }
    .side-banner p {
      font-size: 13px;
      color: #cbd5e1;
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .side-banner-btn {
      display: inline-block;
      width: 100%;
      text-align: center;
      background: #ffffff;
      color: #0f172a !important;
      font-weight: 600;
      font-size: 13px;
      padding: 10px 0;
      border-radius: 4px;
      transition: background 0.2s ease;
    }
    .side-banner-btn:hover {
      background: #f1f5f9;
    }
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 24px;
      margin-top: 40px;
      border-top: 1px solid #1e293b;
    }
    .footer-main-row {
      display: grid;
      grid-template-columns: 1.3fr 1fr;
      gap: 40px;
      padding-bottom: 36px;
      border-bottom: 1px solid #1e293b;
    }
    .footer-brand-side .footer-brand-title {
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }
    .footer-brand-side .footer-desc {
      font-size: 13px;
      line-height: 1.7;
      color: #94a3b8;
      max-width: 520px;
      margin: 0;
    }
    .footer-links-group {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .footer-col h5 {
      font-size: 14px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 13px;
      color: #94a3b8;
    }
    .footer-col ul li a:hover {
      color: #38bdf8;
    }
    .footer-bottom-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748b;
      padding-top: 24px;
    }
    @media (max-width: 1024px) {
      .footer-main-row {
        grid-template-columns: 1fr;
        gap: 30px;
      }
    }
    @media (max-width: 768px) {
      .brand-tagline {
        display: none;
      }
      .search-box-wrap {
        display: none;
      }
      .article-main-card {
        padding: 24px 18px;
      }
      .article-title {
        font-size: 22px;
      }
      .footer-links-group {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .footer-bottom-row {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
      .article-bottom-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
    }
    @media (max-width: 520px) {
      .nav-menu {
        overflow-x: auto;
        white-space: nowrap;
      }
      .nav-right-link {
        display: none;
      }
      .top-strip-flex {
        font-size: 11px;
      }
    }

/* roulang page: category1 */
:root {
    --primary-color: #1a4d96;
    --primary-hover: #12376d;
    --accent-blue: #236cd8;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #1d2939;
    --text-muted: #667085;
    --text-light: #98a2b3;
    --border-color: #eaecf0;
    --border-dark: #d0d5dd;
  }
  * { box-sizing: border-box; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    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(--accent-blue);
  }
  .grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
  }
  .top-strip {
    background-color: #101828;
    color: #98a2b3;
    font-size: 12px;
    padding: 6px 0;
    border-bottom: 1px solid #1f2a37;
  }
  .top-strip-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
  }
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .brand-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: #fff;
    font-size: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(26,77,150,0.25);
  }
  .brand-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #0f172a;
    line-height: 1.2;
    margin: 0;
  }
  .brand-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin: 0;
  }
  .brand-tagline {
    font-size: 13px;
    color: var(--text-muted);
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
  }
  .search-box-wrap {
    position: relative;
    width: 320px;
  }
  .search-box-wrap input {
    height: 38px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: #f8fafc;
    padding: 0 40px 0 12px;
    font-size: 13px;
    color: var(--text-main);
    box-shadow: none;
    margin-bottom: 0;
  }
  .search-box-wrap input:focus {
    background: #fff;
    border-color: var(--primary-color);
  }
  .search-box-wrap .search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
  }
  .subnav-bar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav-menu > li > a {
    display: inline-block;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    position: relative;
  }
  .nav-menu > li > a:hover,
  .nav-menu > li.active > a {
    color: var(--primary-color);
    font-weight: 600;
  }
  .nav-menu > li.active > a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--primary-color);
  }
  .nav-right-link {
    font-size: 13px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .cat-hero-banner {
    position: relative;
    background: url('/assets/images/qlyplg11.jpg') center/cover no-repeat;
    color: #ffffff;
    padding: 54px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
  }
  .cat-hero-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.92) 0%, rgba(26, 77, 150, 0.88) 100%);
  }
  .cat-hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
  }
  .cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    color: #f2f4f7;
  }
  .cat-hero-h1 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
    color: #ffffff;
  }
  .cat-hero-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #e4e7ec;
    margin-bottom: 24px;
  }
  .cat-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .cat-tag-pill {
    background: rgba(255, 255, 255, 0.1);
    color: #f8fafc;
    padding: 5px 14px;
    font-size: 13px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  .strategy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
  }
  .strategy-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 24px;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .strategy-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
  }
  .strat-icon {
    width: 44px;
    height: 44px;
    background: #eff4fb;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 18px;
    margin-bottom: 16px;
  }
  .strat-title {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px 0;
  }
  .strat-p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
  }
  .strat-meta {
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
    font-size: 12px;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
  }
  .strat-meta span {
    color: var(--accent-blue);
    font-weight: 600;
  }
  .sec-panel {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 28px;
    margin-bottom: 40px;
  }
  .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f2f4f7;
  }
  .panel-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .panel-title {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
  }
  .panel-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin: 4px 0 0 0;
  }
  .process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .step-box {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
    position: relative;
  }
  .step-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .step-name {
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
    margin: 0 0 8px 0;
  }
  .step-text {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
  }
  .cat-article-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
  }
  .feed-panel {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 24px;
  }
  .feed-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .feed-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 14px 0;
    border-bottom: 1px solid #f2f4f7;
    gap: 16px;
  }
  .feed-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .feed-link {
    font-size: 15px;
    font-weight: 600;
    color: #1d2939;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .feed-link:hover {
    color: var(--accent-blue);
  }
  .feed-badge {
    font-size: 12px;
    color: var(--primary-color);
    background: #eff4fb;
    padding: 2px 8px;
    border-radius: 3px;
    white-space: nowrap;
  }
  .feed-date {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
  }
  .side-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .side-card-thumb {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 16px;
  }
  .side-card-title {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px 0;
  }
  .side-card-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
  }
  .btn-primary {
    display: inline-block;
    background: var(--primary-color);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    transition: background 0.2s;
  }
  .btn-primary:hover {
    background: var(--primary-hover);
    color: #ffffff;
  }
  .faq-accordion {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .faq-item {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
  }
  .faq-q {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .faq-q i {
    color: var(--accent-blue);
  }
  .faq-a {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
  }
  .site-footer {
    background: #101828;
    color: #98a2b3;
    padding: 48px 0 24px;
    margin-top: 40px;
    border-top: 1px solid #1f2a37;
  }
  .footer-main-row {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid #1f2a37;
  }
  .footer-brand-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
  }
  .footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: #667085;
    margin: 0;
  }
  .footer-links-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-col h5 {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 16px 0;
  }
  .footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .footer-col ul li {
    margin-bottom: 10px;
  }
  .footer-col ul li a {
    font-size: 13px;
    color: #98a2b3;
  }
  .footer-col ul li a:hover {
    color: #ffffff;
  }
  .footer-bottom-row {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #667085;
  }
  @media (max-width: 1024px) {
    .strategy-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .process-steps {
      grid-template-columns: repeat(2, 1fr);
    }
    .cat-article-row {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 768px) {
    .header-inner {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }
    .brand-tagline {
      display: none;
    }
    .search-box-wrap {
      width: 100%;
    }
    .nav-flex {
      flex-direction: column;
      align-items: flex-start;
    }
    .nav-menu {
      flex-wrap: wrap;
      width: 100%;
    }
    .nav-menu > li > a {
      padding: 10px 12px;
      font-size: 13px;
    }
    .nav-right-link {
      display: none;
    }
    .cat-hero-h1 {
      font-size: 24px;
    }
    .faq-accordion {
      grid-template-columns: 1fr;
    }
    .footer-main-row {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .footer-bottom-row {
      flex-direction: column;
      gap: 8px;
    }
  }
  @media (max-width: 520px) {
    .strategy-grid {
      grid-template-columns: 1fr;
    }
    .process-steps {
      grid-template-columns: 1fr;
    }
  }
