/* roulang page: index */
:root {
      --primary: #0E4B3E;
      --primary-light: #17725D;
      --primary-accent: #20937A;
      --dark-surface: #08231D;
      --gold-accent: #C59B27;
      --gold-light: #F7E7B4;
      --bg-base: #F8FAF9;
      --text-main: #0F1E1B;
      --text-body: #3B4E4A;
      --text-muted: #6D827E;
      --border-soft: rgba(14, 75, 62, 0.12);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      overflow-x: hidden;
      scroll-behavior: smooth;
    }

    /* 视觉微质感与卡片 */
    .brand-gradient {
      background: linear-gradient(135deg, #0E4B3E 0%, #17725D 50%, #20937A 100%);
    }

    .brand-gradient-dark {
      background: linear-gradient(145deg, #08231D 0%, #0E4B3E 100%);
    }

    .rounded-card {
      border-radius: 1.25rem;
      transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
      box-shadow: 0 10px 30px -5px rgba(14, 75, 62, 0.05), 0 4px 6px -2px rgba(14, 75, 62, 0.02);
    }

    .rounded-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -10px rgba(14, 75, 62, 0.12);
    }

    .badge-capsule {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
    }

    .badge-gold {
      background-color: rgba(197, 155, 39, 0.12);
      color: #9A7718;
      border: 1px solid rgba(197, 155, 39, 0.3);
    }

    .badge-green {
      background-color: rgba(14, 75, 62, 0.1);
      color: #0E4B3E;
      border: 1px solid rgba(14, 75, 62, 0.2);
    }

    .hero-mask {
      background: linear-gradient(180deg, rgba(8, 35, 29, 0.88) 0%, rgba(14, 75, 62, 0.94) 100%);
    }

    /* 交互微细节 */
    .btn-gold {
      background: linear-gradient(135deg, #D4AF37 0%, #C59B27 100%);
      color: #08231D;
      font-weight: 600;
      transition: all 0.2s ease-in-out;
    }
    .btn-gold:hover {
      background: linear-gradient(135deg, #DEBD4F 0%, #D4AF37 100%);
      box-shadow: 0 4px 15px rgba(197, 155, 39, 0.35);
      transform: translateY(-1px);
    }

    .tab-active {
      border-color: #0E4B3E;
      color: #0E4B3E;
      background-color: #FFFFFF;
    }

    /* 移动端底部操作条占位支持 */
    @media (max-width: 768px) {
      .footer-mobile-offset {
        padding-bottom: 5.5rem;
      }
    }