/* roulang page: index */
:root {
      --primary: #00DC82;
      --primary-hover: #00B86B;
      --bg-dark: #0B0F19;
      --text-main: #0F172A;
      --text-muted: #64748B;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .tabular-nums {
      font-variant-numeric: tabular-nums;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }