/* roulang page: index */
:root {
      --primary: #2563EB;
      --primary-dark: #1D4ED8;
      --secondary: #7C3AED;
      --accent: #F97316;
      --bg-dark: #0A192F;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .badge-gradient {
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(124, 58, 237, 0.12) 100%);
      border: 1px solid rgba(37, 99, 235, 0.25);
    }
    .badge-dark {
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(124, 58, 237, 0.25) 100%);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 30px -10px rgba(37, 99, 235, 0.15);
    }
    .btn-gradient {
      background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
      transition: all 0.3s ease;
    }
    .btn-gradient:hover {
      background: linear-gradient(135deg, #1D4ED8 0%, #6D28D9 100%);
      box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.4);
    }
    @keyframes pulseGlow {
      0%, 100% { opacity: 0.9; transform: scale(1); }
      50% { opacity: 1; transform: scale(1.02); }
    }
    .animate-glow {
      animation: pulseGlow 3s infinite ease-in-out;
    }
