/* roulang page: index */
:root {
      --primary: #00C06D;
      --gold: #D4AF37;
      --dark-slate: #0B132B;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-light: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    }
    .hero-bg {
      background: linear-gradient(rgba(11, 19, 43, 0.88), rgba(11, 19, 43, 0.94)), url('/assets/images/3e6ff6f818bc0e2f.webp') center/cover no-repeat;
    }
    .badge-gold {
      background: linear-gradient(135deg, #FFE259 0%, #FFA751 100%);
      color: #0B132B;
    }
    .card-gold-edge {
      border: 1px solid rgba(212, 175, 55, 0.3);
      box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
    }
    .vip-tier-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 32px -4px rgba(0, 192, 109, 0.2);
    }
    .transition-custom {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }