/* roulang page: index */
:root {
      --primary: #1E40AF;
      --accent: #0EA5E9;
      --dark-bg: #0F172A;
      --card-bg: #FFFFFF;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 80px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: #F8FAFC;
      color: #334155;
    }
    .hero-gold-glow {
      box-shadow: 0 0 30px rgba(245, 158, 11, 0.2);
    }
    .custom-card {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
      border-color: #93c5fd;
    }
    .gold-badge-shimmer {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      border: 1px solid rgba(245, 158, 11, 0.35);
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.25s ease-out;
      max-height: 0;
      opacity: 0;
      overflow: hidden;
    }
    .accordion-item.active .accordion-content {
      max-height: 240px;
      opacity: 1;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }