/* roulang page: index */
:root {
      --primary: #0284C7;
      --primary-dark: #0F172A;
      --accent: #6366F1;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-subtle: #E2E8F0;
      --card-radius: 1.25rem;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .gradient-hero-bg {
      background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.15), transparent 45%),
                  radial-gradient(circle at 20% 80%, rgba(2, 132, 199, 0.12), transparent 45%),
                  #0B0F19;
    }
    .card-glass {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }
    .card-glass-dark {
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(51, 65, 85, 0.6);
    }
    .badge-capsule {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
    }