:root{--paper:#faf7f0;--tape:#fffdf9;--card:#fffefb;--ink:#1b2a4a;--carbon:#2f5da8;--seal:#c03b2b;--seal-dark:#a93222;--hairline:#e6dfd2;--tint:#f8f2e6;--muted:#5c6b85;--radius:2px;--font-display:Georgia, "Songti SC", "STSong", SimSun, "Noto Serif SC", serif;--font-body:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;color:var(--ink);background:var(--paper);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}img,svg{max-width:100%}html{scroll-behavior:smooth;scroll-padding-top:88px}body{min-width:320px;margin:0}::selection{color:#fdf9f2;background:var(--seal)}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:2px dashed 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