/* roulang page: index */
:root {
      --bg-dark: #0B0F17;
      --bg-surface: #111827;
      --bg-card: #1E293B;
      --color-primary: #F59E0B;
      --color-emerald: #10B981;
      --text-main: #F9FAFB;
      --text-muted: #94A3B8;
      --border-color: #334155;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    .custom-container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 20%, rgba(245, 158, 11, 0.15) 0%, rgba(11, 15, 23, 0) 70%);
    }
    .card-glass {
      background: rgba(30, 41, 59, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(51, 65, 85, 0.7);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-glass:hover {
      border-color: rgba(245, 158, 11, 0.5);
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.1);
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .pulse-beacon {
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      }
      70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
      }
      100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
      }
    }