/* roulang page: index */
:root {
      --primary-color: #0F4C5C;
      --accent-color: #E36414;
      --dark-bg: #0B2545;
      --light-bg: #F8F9FA;
      --text-main: #1D2A44;
      --text-body: #4A5568;
      --border-color: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-body);
      background-color: #ffffff;
      line-height: 1.7;
    }
    .hero-gold-bg {
      background: linear-gradient(135deg, #091a2f 0%, #0b2545 60%, #153243 100%);
    }
    .badge-gold-gradient {
      background: linear-gradient(135deg, #f3d57a 0%, #d4af37 50%, #aa8012 100%);
      color: #2a1b00;
    }
    .gold-border-glow {
      border: 1px solid rgba(212, 175, 55, 0.35);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    .glass-card-dark {
      background: rgba(15, 37, 69, 0.75);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(212, 175, 55, 0.2);
    }
    .smooth-scroll {
      scroll-behavior: smooth;
    }
    .section-spacing {
      padding-top: 5rem;
      padding-bottom: 5rem;
    }
    @media (min-width: 1024px) {
      .section-spacing {
        padding-top: 6.5rem;
        padding-bottom: 6.5rem;
      }
    }
    .faq-content {
      transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
      max-height: 0;
      opacity: 0;
      overflow: hidden;
    }
    .faq-content.open {
      max-height: 300px;
      opacity: 1;
    }
    .sticky-bar-shadow {
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    }