/* roulang page: index */
:root {
      --primary-color: #059669;
      --primary-dark: #047857;
      --text-dark: #0f172a;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --border-light: #e2e8f0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-dark);
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    .custom-scroll::-webkit-scrollbar {
      width: 5px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }