/* roulang page: index */
:root {
      --primary: #0E7490;
      --secondary: #0284C7;
      --accent: #D97706;
      --dark: #0F172A;
      --slate: #1E293B;
      --light-bg: #F8FAFC;
    }
    body {
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      color: #0F172A;
      background-color: #FFFFFF;
      line-height: 1.75;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 50%, rgba(14, 116, 144, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    }