/* roulang page: index */
:root {
      --primary-dark: #0A192F;
      --primary-indigo: #1E3A8A;
      --accent-gold: #D4AF37;
      --accent-gold-light: #F59E0B;
      --bg-slate: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .gold-gradient-text {
      background: linear-gradient(135deg, #F59E0B 0%, #D4AF37 50%, #B45309 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .badge-gold {
      background: rgba(212, 175, 55, 0.1);
      color: #B45309;
      border: 1px solid rgba(212, 175, 55, 0.3);
    }
    .badge-blue {
      background: rgba(30, 58, 138, 0.08);
      color: #1E3A8A;
      border: 1px solid rgba(30, 58, 138, 0.2);
    }
    .nav-blur {
      backdrop-filter: blur(12px);
      background-color: rgba(255, 255, 255, 0.95);
    }
    .card-hover-gold {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-gold:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 25px -5px rgba(212, 175, 55, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      border-color: rgba(212, 175, 55, 0.4);
    }