/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --bg-base: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #f1f5f9;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }

/* roulang page: article */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --bg-base: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .article-prose {
      line-height: 1.85;
      font-size: 1.0625rem;
      color: #334155;
    }
    .article-prose h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: #0f172a;
      margin-top: 2.5rem;
      margin-bottom: 1.25rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid #e2e8f0;
      letter-spacing: -0.015em;
    }
    .article-prose h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: #1e293b;
      margin-top: 2rem;
      margin-bottom: 0.75rem;
    }
    .article-prose p {
      margin-bottom: 1.25rem;
      text-align: justify;
    }
    .article-prose ul, .article-prose ol {
      margin-bottom: 1.25rem;
      padding-left: 1.5rem;
    }
    .article-prose ul {
      list-style-type: disc;
    }
    .article-prose ol {
      list-style-type: decimal;
    }
    .article-prose li {
      margin-bottom: 0.5rem;
    }
    .article-prose blockquote {
      border-left: 4px solid #2563eb;
      background-color: #f1f5f9;
      padding: 1rem 1.25rem;
      margin-top: 1.5rem;
      margin-bottom: 1.5rem;
      border-radius: 0 0.5rem 0.5rem 0;
      color: #475569;
      font-style: italic;
    }
    .article-prose table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.75rem 0;
      font-size: 0.95rem;
    }
    .article-prose th, .article-prose td {
      border: 1px solid #cbd5e1;
      padding: 0.75rem 1rem;
      text-align: left;
    }
    .article-prose th {
      background-color: #f8fafc;
      font-weight: 600;
      color: #0f172a;
    }
    .article-prose img {
      max-width: 100%;
      height: auto;
      border-radius: 0.5rem;
      margin: 1.5rem auto;
      display: block;
    }
    .article-prose code {
      background-color: #f1f5f9;
      color: #0f172a;
      padding: 0.2rem 0.4rem;
      border-radius: 0.25rem;
      font-family: monospace;
      font-size: 0.875em;
    }

/* roulang page: category1 */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --bg-base: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background-color: #cbd5e1;
      border-radius: 4px;
    }