/* roulang page: index */
:root {
      --primary: #0A84FF;
      --secondary: #10B981;
      --bg-dark: #030712;
      --card-border: rgba(148, 163, 184, 0.12);
    }
    body {
      background-color: #F8FAFC;
      color: #0F172A;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(10, 132, 255, 0.15) 0%, rgba(3, 7, 18, 0) 70%);
    }
    .radar-grid {
      background-size: 32px 32px;
      background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    }
    .glass-card {
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }