/* roulang page: index */
:root {
      --primary: #00D26A;
      --primary-dark: #059669;
      --accent: #FF5A1F;
      --dark: #0F172A;
      --dark-card: #1E293B;
      --light-bg: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: #334155;
      background-color: #FFFFFF;
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(11, 15, 23, 0.88) 0%, rgba(15, 23, 42, 0.82) 100%);
    }
    .custom-shadow {
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 20px 30px -10px rgba(0, 210, 106, 0.15), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
      transform: translateY(-4px);
    }
    .glow-border {
      border: 1px solid rgba(0, 210, 106, 0.2);
    }
    .glow-border:hover {
      border-color: rgba(0, 210, 106, 0.6);
    }
    .pulse-dot {
      animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: .5; transform: scale(1.1); }
    }