/* roulang page: index */
:root {
            --brand-primary: #064E3B;
            --brand-accent: #10B981;
            --cyber-dark: #020617;
            --bg-light: #F8FAFC;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #F8FAFC;
            color: #1E293B;
        }
        .hero-bg {
            background: linear-gradient(135deg, rgba(6, 78, 59, 0.95), rgba(2, 6, 23, 0.92)), url('/assets/images/c72be8549b9a42da.png') center/cover no-repeat;
        }
        .dark-tech-bg {
            background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.08) 0%, rgba(2, 6, 23, 1) 75%), url('/assets/images/65e6735dc4467b39.png') center/cover no-repeat;
        }
        .badge-glow {
            box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
        }