/* roulang page: index */
:root {
            --brand-main: #1d4ed8;
            --brand-dark: #0f1e36;
            --text-main: #1e293b;
            --text-muted: #64748b;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #f8fafc;
            -webkit-font-smoothing: antialiased;
        }
        .text-clamp-1 {
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 1;
            overflow: hidden;
        }
        .text-clamp-2 {
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
        }

/* roulang page: article */
:root {
      --brand-main: #1d4ed8;
      --brand-dark: #0f1e36;
      --text-main: #1e293b;
      --text-muted: #64748b;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
      -webkit-font-smoothing: antialiased;
    }
    .text-clamp-1 {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 1;
      overflow: hidden;
    }
    .text-clamp-2 {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
      overflow: hidden;
    }
    .article-content {
      color: #334155;
      font-size: 1.0625rem;
      line-height: 1.85;
    }
    .article-content h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: #0f172a;
      margin-top: 2rem;
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid #e2e8f0;
    }
    .article-content h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: #1e293b;
      margin-top: 1.5rem;
      margin-bottom: 0.75rem;
    }
    .article-content p {
      margin-bottom: 1.25rem;
      text-align: justify;
    }
    .article-content ul, .article-content ol {
      margin-bottom: 1.25rem;
      padding-left: 1.5rem;
    }
    .article-content ul {
      list-style-type: disc;
    }
    .article-content ol {
      list-style-type: decimal;
    }
    .article-content li {
      margin-bottom: 0.5rem;
    }
    .article-content blockquote {
      border-left: 4px solid #1d4ed8;
      background-color: #f1f5f9;
      padding: 1rem 1.25rem;
      margin: 1.5rem 0;
      border-radius: 0 0.5rem 0.5rem 0;
      color: #475569;
      font-style: normal;
    }
    .article-content img {
      max-width: 100%;
      height: auto;
      border-radius: 0.5rem;
      margin: 1.5rem auto;
      display: block;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }
    @media (max-width: 768px) {
      .article-content {
        font-size: 1rem;
        line-height: 1.75;
      }
      .article-content h2 {
        font-size: 1.25rem;
      }
      .article-content h3 {
        font-size: 1.125rem;
      }
    }

/* roulang page: category1 */
:root {
      --brand-main: #1d4ed8;
      --brand-dark: #0f1e36;
      --text-main: #1e293b;
      --text-muted: #64748b;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
      -webkit-font-smoothing: antialiased;
    }
    .text-clamp-1 {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 1;
      overflow: hidden;
    }
    .text-clamp-2 {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
      overflow: hidden;
    }
    .text-clamp-3 {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
      overflow: hidden;
    }
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .mobile-stack { flex-direction: column; }
    }