/* roulang page: index */
:root {
      --bg-dark: #090D16;
      --bg-alt-1: #0D1322;
      --bg-alt-2: #111827;
      --cyan-glow: #00F2FE;
      --neon-green: #10B981;
      --card-border: rgba(255, 255, 255, 0.08);
      --card-border-hover: rgba(0, 242, 254, 0.4);
    }
    
    body {
      background-color: var(--bg-dark);
      color: #94A3B8;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      overflow-x: hidden;
    }

    .glass-panel {
      background: rgba(17, 24, 39, 0.72);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .glass-panel:hover {
      border-color: var(--card-border-hover);
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(0, 242, 254, 0.18);
    }

    .btn-glow {
      background: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
      color: #06090F;
      font-weight: 700;
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.45);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 32px rgba(0, 242, 254, 0.75);
      transform: translateY(-2px);
    }

    .btn-ghost {
      border: 1px solid rgba(0, 242, 254, 0.5);
      color: #00F2FE;
      background: rgba(0, 242, 254, 0.04);
      transition: all 0.3s ease;
    }
    .btn-ghost:hover {
      background: rgba(0, 242, 254, 0.15);
      border-color: #00F2FE;
      box-shadow: 0 0 16px rgba(0, 242, 254, 0.25);
    }

    .stat-number {
      font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;
      letter-spacing: -0.05em;
    }

    /* 轮播指示器 */
    .hero-slide {
      transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
    }
    .hero-slide.hidden {
      display: none;
      opacity: 0;
      transform: scale(0.98);
    }
    .hero-slide.active {
      display: block;
      opacity: 1;
      transform: scale(1);
    }