/* roulang page: index */
:root {
      --bg-dark: #0B0F17;
      --bg-panel: #111827;
      --accent-cyan: #06B6D4;
      --accent-emerald: #34D399;
      --border-color: rgba(51, 65, 85, 0.6);
      --text-main: #FFFFFF;
      --text-muted: #CBD5E1;
      --text-dim: #94A3B8;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-muted);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    .custom-hero-bg {
      background-image: linear-gradient(to bottom, rgba(11, 15, 23, 0.88), rgba(11, 15, 23, 0.98)), url('/assets/images/5efd261bdfb3260a.png');
      background-size: cover;
      background-position: center;
    }
    .accent-glow {
      box-shadow: 0 0 25px -5px rgba(6, 182, 212, 0.25);
    }
    .emerald-glow {
      box-shadow: 0 0 20px -3px rgba(52, 211, 153, 0.25);
    }
    .card-border-glow:hover {
      border-color: rgba(6, 182, 212, 0.6);
      transform: translateY(-4px);
    }
    .transition-base {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }