/* roulang page: index */
:root {
      --primary: #0F4C5C;
      --primary-dark: #0A333E;
      --accent: #E36414;
      --bg-light: #F8FAFC;
      --bg-alt: #F1F5F9;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif);
      color: var(--text-main);
      background-color: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }
    .num-tabular {
      font-variant-numeric: tabular-nums;
    }
    .hero-stage-glow {
      box-shadow: 0 25px 50px -12px rgba(15, 76, 92, 0.25), 0 0 0 1px rgba(15, 76, 92, 0.1);
    }
    .card-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 76, 92, 0.06);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .card-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px -4px rgba(15, 76, 92, 0.12);
    }
    .bg-pattern {
      background-image: radial-gradient(rgba(15, 76, 92, 0.08) 1px, transparent 1px);
      background-size: 24px 24px;
    }