/* roulang page: index */
:root {
      --primary: #6366F1;
      --primary-hover: #4F46E5;
      --accent: #06B6D4;
      --green: #10B981;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .hero-mesh {
      background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.08) 35%, transparent 70%),
                  linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    }
    .card-stack-main {
      transform: translateY(0) scale(1);
      z-index: 20;
    }
    .card-stack-left {
      transform: translate(-30px, 20px) rotate(-3deg) scale(0.92);
      z-index: 10;
    }
    .card-stack-right {
      transform: translate(30px, 20px) rotate(3deg) scale(0.92);
      z-index: 10;
    }
    @media (max-width: 1024px) {
      .card-stack-left, .card-stack-right {
        transform: none !important;
      }
    }
    .glass-nav {
      backdrop-filter: blur(12px);
      background-color: rgba(255, 255, 255, 0.88);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }
    .glow-badge {
      box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
    }
    .pulse-dot {
      animation: pulseAnimation 2s infinite;
    }
    @keyframes pulseAnimation {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }