/* roulang page: index */
:root {
      --primary: #1E5BF0;
      --secondary: #00D287;
      --bg-dark: #0B132B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.8);
    }
    
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      color: var(--text-body);
      background-color: #F8FAFC;
      line-height: 1.65;
      overflow-x: hidden;
    }

    .custom-card-shadow {
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.02);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-card-shadow:hover {
      box-shadow: 0 20px 40px -6px rgba(30, 91, 240, 0.12);
      transform: translateY(-4px);
    }

    .pulse-glow {
      box-shadow: 0 0 0 0 rgba(0, 210, 135, 0.7);
      animation: pulseGreen 2s infinite;
    }
    @keyframes pulseGreen {
      0% { box-shadow: 0 0 0 0 rgba(0, 210, 135, 0.6); }
      70% { box-shadow: 0 0 0 10px rgba(0, 210, 135, 0); }
      100% { box-shadow: 0 0 0 0 rgba(0, 210, 135, 0); }
    }

    .hero-gradient-overlay {
      background: linear-gradient(135deg, rgba(248, 250, 252, 0.95) 0%, rgba(248, 250, 252, 0.85) 60%, rgba(30, 91, 240, 0.08) 100%);
    }

    .glass-effect {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .dark-glass {
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }