/* roulang page: index */
:root {
      --color-brand-ink: #0B1320;
      --color-brand-titanium: #1C2B46;
      --color-brand-teal: #0D9488;
      --color-brand-amber: #D97706;
      --color-surface-light: #F8FAFC;
    }
    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: #F8FAFC;
      color: #1E293B;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #F1F5F9;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 3px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .accordion-indicator {
      transition: transform 0.25s ease-in-out;
    }
    details[open] .accordion-indicator {
      transform: rotate(180deg);
    }