/* roulang page: index */
:root {
      --primary-dark: #0F172A;
      --graphite: #1E293B;
      --accent-gold: #D97706;
      --accent-cyan: #0D9488;
      --bg-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: #334155;
      background-color: #F8FAFC;
    }
    .hero-countdown-ring {
      background: conic-gradient(#0D9488 280deg, #334155 0deg);
    }
    .glass-dark {
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .spec-item:hover {
      border-color: #0D9488;
      transform: translateY(-2px);
    }