/* roulang page: index */
:root {
      --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
      --accent-color: #F59E0B;
      --bg-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: #0F172A;
      overflow-x: hidden;
    }
    .text-gradient {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .bg-gradient-brand {
      background: var(--primary-gradient);
    }
    .badge-capsule {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
      background-color: rgba(79, 70, 229, 0.08);
      border: 1px solid rgba(79, 70, 229, 0.2);
      color: #4F46E5;
    }
    .card-rounded {
      border-radius: 1.5rem;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-rounded:hover {
      transform: translateY(-4px);
    }
    details summary::-webkit-details-marker {
      display: none;
    }