/* roulang page: index */
:root {
      --brand-primary: #10B981;
      --brand-gradient: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
      --dark-card: #131E35;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: #F8FAFC;
      color: #1E293B;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .bg-gradient-brand {
      background: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    }
    .badge-pulse::before {
      content: '';
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #10B981;
      margin-right: 6px;
      animation: pulse-dot 1.8s infinite;
    }
    @keyframes pulse-dot {
      0% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }
    .hero-slide {
      display: none;
      transition: opacity 0.6s ease-in-out;
    }
    .hero-slide.active {
      display: grid;
    }