/* roulang page: index */
:root {
      --color-primary: #0F52BA;
      --color-primary-dark: #0B3B87;
      --color-accent: #10B981;
      --color-bg-light: #F8FAFC;
      --color-text-main: #0F172A;
      --color-text-body: #334155;
      --color-text-muted: #64748B;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--color-text-body);
      background-color: #ffffff;
      line-height: 1.75;
    }
    .custom-card {
      background-color: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: 0.75rem;
      box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 20px -5px rgba(15, 82, 186, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      border-color: rgba(15, 82, 186, 0.3);
    }
    .hero-mesh {
      background-color: #0F172A;
      background-image: radial-gradient(at 0% 0%, rgba(15, 82, 186, 0.4) 0, transparent 50%), radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.25) 0, transparent 50%);
    }
    .btn-primary {
      background-color: #0F52BA;
      color: #ffffff;
      transition: all 0.2s ease;
    }
    .btn-primary:hover {
      background-color: #0B3B87;
      transform: translateY(-1px);
    }
    .btn-accent {
      background-color: #10B981;
      color: #ffffff;
      transition: all 0.2s ease;
    }
    .btn-accent:hover {
      background-color: #059669;
      transform: translateY(-1px);
    }