/* roulang page: index */
:root {
      --primary-black: #0A0F1D;
      --accent-green: #00F298;
      --accent-cyan: #00E5FF;
      --bg-card: #141E33;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }
    body {
      background-color: var(--primary-black);
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .custom-glow {
      box-shadow: 0 0 25px rgba(0, 242, 152, 0.25);
    }
    .custom-glow:hover {
      box-shadow: 0 0 35px rgba(0, 242, 152, 0.45);
    }
    .border-glow {
      border: 1px solid rgba(0, 242, 152, 0.2);
    }
    .hero-mask {
      background: linear-gradient(180deg, rgba(10, 15, 29, 0.82) 0%, rgba(10, 15, 29, 0.95) 100%);
    }