/* roulang page: index */
:root {
      --primary-titanium: #0E3836;
      --tech-emerald: #0D9488;
      --control-green: #10B981;
      --bronze-amber: #D97706;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      overflow-x: hidden;
    }
    .ticket-edge {
      background-image: radial-gradient(circle at 0 50%, transparent 12px, #ffffff 13px), radial-gradient(circle at 100% 50%, transparent 12px, #ffffff 13px);
    }
    .dark-ticket-edge {
      background-image: radial-gradient(circle at 0 50%, transparent 12px, #132826 13px), radial-gradient(circle at 100% 50%, transparent 12px, #132826 13px);
    }
    .card-glow:hover {
      box-shadow: 0 14px 30px -10px rgba(13, 148, 136, 0.22);
      transform: translateY(-3px);
    }
    .accordion-content {
      transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
    }