/* roulang page: index */
:root {
      --brand-dark: #11161F;
      --brand-primary: #1E3A4C;
      --brand-accent: #E65F2B;
      --brand-amber: #F2994A;
      --bg-light: #F4F6F8;
      --text-main: #1D232C;
      --text-muted: #525F6F;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-light);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background-color: #cbd5e1;
      border-radius: 9999px;
    }