/* roulang page: index */
:root {
      --primary: #0B2B1D;
      --primary-dark: #06170F;
      --accent: #10B981;
      --accent-orange: #F97316;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-page: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #10B981;
      border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #E2E8F0;
    }
    details summary::-webkit-details-marker {
      display: none;
    }