/* roulang page: index */
:root {
      --primary: #0EA5E9;
      --secondary: #7C3AED;
      --accent: #F43F5E;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --radius-card: 1.5rem;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #0EA5E9 0%, #7C3AED 50%, #F43F5E 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .bg-brand-gradient {
      background: linear-gradient(135deg, #0EA5E9 0%, #7C3AED 100%);
    }
    .badge-pulse::before {
      content: '';
      position: absolute;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10B981;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-dot 1.8s infinite;
    }
    @keyframes pulse-dot {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }
    .glass-nav {
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }