/* roulang page: index */
:root {
      --primary: #6366F1;
      --secondary: #06B6D4;
      --accent: #F97316;
      --bg-dark: #0F172A;
      --card-dark: #1E293B;
      --text-main: #0F172A;
      --text-muted: #64748B;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .hero-gold-gradient {
      background: linear-gradient(135deg, #0B0F19 0%, #161F36 50%, #20170A 100%);
    }
    .gold-badge {
      background: linear-gradient(135deg, #F59E0B 0%, #D97706 50%, #78350F 100%);
      box-shadow: 0 4px 15px rgba(217, 119, 6, 0.35);
    }
    .glow-border {
      border: 1px solid rgba(245, 158, 11, 0.3);
      box-shadow: inset 0 0 15px rgba(245, 158, 11, 0.05);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .dark-card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.15);
      border-color: rgba(6, 182, 212, 0.5);
    }