/* roulang page: index */
:root {
      --primary-color: #635BFF;
      --accent-color: #FF6B4A;
      --bg-titanium: #F8F9FA;
      --text-main: #0D1117;
      --text-muted: #64748B;
      --border-light: rgba(226, 232, 240, 0.85);
      --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    }
    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-titanium);
      line-height: 1.7;
    }
    .hero-glow-bg {
      background-image: linear-gradient(135deg, rgba(248, 249, 250, 0.94) 0%, rgba(241, 245, 249, 0.92) 100%), url('/assets/images/202dfdecc063c203.jpg');
      background-size: cover;
      background-position: center;
    }
    .custom-card {
      border: 1px solid var(--border-light);
      box-shadow: var(--card-shadow);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }
    .custom-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 20px 35px -12px rgba(99, 91, 255, 0.08);
      border-color: rgba(99, 91, 255, 0.3);
    }
    .btn-brand {
      background-color: var(--primary-color);
      transition: all 0.2s ease;
    }
    .btn-brand:hover {
      background-color: var(--brandHover, #4E45E4);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px -4px rgba(99, 91, 255, 0.35);
    }
    .tag-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 9999px;
      letter-spacing: 0.025em;
    }