/* roulang page: index */
:root {
            --bg-main: #0D1117;
            --bg-sec: #161B22;
            --primary: #00F2FE;
            --accent: #7928CA;
            --border-glow: rgba(0, 242, 254, 0.2);
        }
        body {
            background-color: var(--bg-main);
            color: #F0F6FC;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
            line-height: 1.7;
        }
        .glow-cyan {
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.15);
        }
        .glow-hover:hover {
            box-shadow: 0 0 30px rgba(0, 242, 254, 0.25);
            transform: translateY(-4px);
            border-color: rgba(0, 242, 254, 0.4);
        }
        .text-gradient {
            background: linear-gradient(135deg, #00F2FE 0%, #FF0080 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .cyber-border {
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        html {
            scroll-behavior: smooth;
        }