/* roulang page: index */
:root {
      --primary-amber: #F59E0B;
      --primary-dark: #0F172A;
      --border-mech: #E2E8F0;
      --bg-titanium: #F8FAFC;
    }
    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-titanium);
      color: #334155;
      overflow-x: hidden;
    }
    .hero-mesh {
      background: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.18) 0%, rgba(15, 23, 42, 0.96) 75%), #0F172A;
    }
    .diagonal-cut {
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5vw), 0 100%);
    }
    .badge-glow {
      box-shadow: 0 0 12px rgba(245, 158, 11, 0.35);
    }