/* roulang page: index */
:root {
      --primary: #1d4ed8;
      --primary-hover: #1e40af;
      --secondary: #0284c7;
      --bg-light: #f8fafc;
      --text-main: #334155;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --card-hover-shadow: 0 16px 32px -4px rgba(37, 99, 235, 0.12);
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .custom-shadow {
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
    }
    .custom-shadow:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
    }
    .hero-vip-bg {
      background: radial-gradient(circle at 80% 20%, rgba(30, 58, 138, 0.35) 0%, rgba(15, 23, 42, 0.98) 70%), url('/assets/images/d9a79f74c0192732.webp') center/cover no-repeat;
    }
    .gold-badge {
      background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
      box-shadow: 0 2px 10px rgba(217, 119, 6, 0.3);
    }
    .tech-grid-pattern {
      background-size: 32px 32px;
      background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    }