/* roulang page: index */
:root {
      --brand-primary: #6366f1;
      --brand-dark: #0f172a;
      --brand-surface: #f8fafc;
      --text-main: #334155;
      --text-title: #0f172a;
    }
    body {
      font-family: system-ui, -apple-system, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-surface);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }