/* roulang page: index */
:root {
            --brand-red: #FF4D15;
            --brand-dark: #0B0F19;
            --brand-slate: #1E293B;
            --brand-green: #10B981;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #0B0F19;
            color: #F8FAFC;
        }
        .text-gradient {
            background: linear-gradient(135deg, #FF4D15 0%, #FFA07A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .border-glow:hover {
            box-shadow: 0 0 25px rgba(255, 77, 21, 0.25);
            border-color: rgba(255, 77, 21, 0.6);
        }
        .hero-pattern {
            background: radial-gradient(circle at 50% 20%, rgba(255, 77, 21, 0.12) 0%, rgba(11, 15, 25, 0.95) 75%);
        }