/* roulang page: index */
:root {
      --primary: #0D2818;
      --primary-light: #163e27;
      --accent: #10B981;
      --accent-hover: #059669;
      --gold: #D97706;
      --gold-light: #F59E0B;
      --bg-body: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-soft: #64748B;
      --border-color: rgba(226, 232, 240, 0.9);
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-muted);
      line-height: 1.75;
      overflow-x: hidden;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(6, 20, 13, 0.92) 0%, rgba(13, 40, 24, 0.82) 50%, rgba(6, 20, 13, 0.95) 100%),
                  url('/assets/images/bee4809aac9f3698.jpg') center/cover no-repeat;
    }
    .hero-slide-2 {
      background: linear-gradient(135deg, rgba(6, 20, 13, 0.94) 0%, rgba(13, 40, 24, 0.85) 60%, rgba(6, 20, 13, 0.92) 100%),
                  url('/assets/images/32b42eb3a3e6de0f.png') center/cover no-repeat;
    }
    .hero-slide-3 {
      background: linear-gradient(135deg, rgba(6, 20, 13, 0.92) 0%, rgba(13, 40, 24, 0.8) 50%, rgba(6, 20, 13, 0.95) 100%),
                  url('/assets/images/c0f7d45cc9fd5fa7.jpg') center/cover no-repeat;
    }
    .dark-pattern-bg {
      background-color: #06140D;
      background-image: radial-gradient(rgba(16, 185, 129, 0.12) 1px, transparent 0);
      background-size: 24px 24px;
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(13, 40, 24, 0.1), 0 10px 10px -5px rgba(13, 40, 24, 0.04);
    }
    .indicator-active {
      width: 2rem !important;
      background-color: #10B981 !important;
    }
    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary .faq-icon {
      transform: rotate(45deg);
    }