:root{--bg:#fbfbf9;--surface:#fff;--text:#1c1d1f;--muted:#6b6f76;--border:#e6e6e1;--accent:#2f5bd3;--accent-soft:#eaf0ff;--code-bg:#f4f4f1;--like:#e0245e;--max:42rem;--sans:ui-sans-serif, -apple-system, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;--serif:"Iowan Old Style", "Charter", "Palatino Linotype", Georgia, serif;--mono:ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;color-scheme:light}:root[data-theme=dark]{--bg:#121315;--surface:#1a1b1e;--text:#e6e6e3;--muted:#9a9ea6;--border:#2b2d31;--accent:#8aa9ff;--accent-soft:#1e2640;--code-bg:#1c1e22;--like:#ff5c8a;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font:17px/1.7 var(--sans);-webkit-font-smoothing:antialiased;margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-underline-offset:3px;text-decoration:underline}.wrap{max-width:var(--max);margin:0 auto;padding:0 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