/* roulang page: index */
:root {
      --brand-primary: #00E599;
      --brand-dark: #0B0F19;
      --brand-slate: #1E293B;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: #F8FAFC;
      color: #0F172A;
      overflow-x: hidden;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(0, 229, 153, 0.15) 0%, rgba(11, 15, 25, 0) 70%);
    }
    .custom-border {
      border: 1px solid rgba(226, 232, 240, 0.8);
    }
    .dark-card-border {
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
    }