/* roulang page: index */
:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --gold: #D97706;
            --tech-blue: #0284C7;
            --text-main: #334155;
            --text-head: #0F172A;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #F8FAFC;
        }
        .code-box {
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }