/* roulang page: index */
:root {
      --color-primary-dark: #0B1713;
      --color-primary: #0F241D;
      --color-primary-forest: #16382C;
      --color-accent-gold: #D97706;
      --color-accent-emerald: #059669;
      --color-bg-base: #F4F7F5;
      --color-text-main: #1F2937;
      --color-text-muted: #4B5563;
      --color-border: rgba(15, 36, 29, 0.12);
    }
    body {
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
      background-color: var(--color-bg-base);
      color: var(--color-text-main);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .custom-scroll::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: rgba(15, 36, 29, 0.2);
      border-radius: 9999px;
    }
    .hero-pattern {
      background: linear-gradient(135deg, rgba(11, 23, 19, 0.94) 0%, rgba(15, 36, 29, 0.90) 100%),
                  url('/assets/images/f4cae9c973708788.jpg') center/cover no-repeat;
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(15, 36, 29, 0.08);
      box-shadow: 0 10px 30px -10px rgba(15, 36, 29, 0.06);
    }
    .interactive-card {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .interactive-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 36, 29, 0.12);
      border-color: rgba(5, 150, 105, 0.3);
    }
    details summary::-webkit-details-marker {
      display: none;
    }