/* roulang page: index */
:root {
            --bg-base: #0B0F17;
            --bg-card: rgba(30, 38, 64, 0.55);
            --border-line: rgba(71, 85, 105, 0.45);
            --neon-glow: #00E676;
            --aurora-flow: #06B6D4;
        }
        body {
            background-color: var(--bg-base);
            color: #E2E8F0;
            overflow-x: hidden;
            font-family: "PingFang SC", "Microsoft YaHei", Inter, sans-serif;
        }
        .glow-hover:hover {
            box-shadow: 0 0 25px rgba(0, 230, 118, 0.28);
        }
        .aurora-border {
            border: 1px solid rgba(6, 182, 212, 0.25);
        }
        .tech-grid-bg {
            background-size: 32px 32px;
            background-image: 
                linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
        }