/* roulang page: index */
:root {
      --primary: #0EA5E9;
      --primary-hover: #0284C7;
      --accent: #6366F1;
      --gold: #F59E0B;
      --dark-bg: #0B0F17;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #FAFAFA;
      box-sizing: border-box;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(217, 119, 6, 0.15) 0%, rgba(11, 15, 23, 0.95) 70%);
    }
    .wave-bar {
      animation: wavePulse 1.4s ease-in-out infinite alternate;
    }
    @keyframes wavePulse {
      0% { height: 12%; }
      100% { height: 100%; }
    }
    .gold-badge {
      background: linear-gradient(135deg, #F59E0B 0%, #D97706 50%, #B45309 100%);
      box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
    }