/* roulang page: index */
:root {
            --primary-blue: #0f2b5c;
            --accent-cyan: #0ea5e9;
            --glow-cyan: #00d2df;
            --amber-highlight: #f59e0b;
            --dark-chip: #0b0f19;
            --panel-border: rgba(148, 163, 184, 0.2);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
            line-height: 1.75;
        }
        .circuit-grid-pattern {
            background-image: radial-gradient(rgba(14, 165, 233, 0.15) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .chip-glow {
            box-shadow: 0 0 25px rgba(0, 210, 223, 0.15);
        }
        .mono-num {
            font-variant-numeric: tabular-nums;
        }