/* roulang page: index */
:root {
      --primary-dark: #0F241D;
      --accent-green: #10B981;
      --accent-bright: #22C55E;
      --bg-surface: #F8FAF9;
      --text-main: #111827;
      --text-muted: #4B5563;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 36, 29, 0.06);
    }
    .custom-shadow-lg {
      box-shadow: 0 10px 30px -4px rgba(15, 36, 29, 0.12);
    }
    .tabular-nums {
      font-variant-numeric: tabular-nums;
    }