/* roulang page: index */
:root {
      --primary-color: #0369A1;
      --primary-hover: #0284C7;
      --bg-slate: #0F172A;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      color: #334155;
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .clip-slant {
      clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    }
    @media (max-width: 768px) {
      .clip-slant {
        clip-path: none;
      }
    }
    .stat-glow {
      box-shadow: 0 10px 30px -10px rgba(3, 105, 161, 0.2);
    }
    .border-gradient {
      border-image: linear-gradient(to right, #0284C7, #10B981) 1;
    }