:root{--table:#dde2e6;--table-deep:#cfd6dc;--surface:#f7f9fa;--paper:#fff;--ink:#1d2833;--muted:#5d6a75;--line:#c6cfd6;--accent:#1e5f6e;--accent-soft:#e1eef0;--proof:#b4232a;--kind-text:#2b6cb0;--kind-table:#2f855a;--kind-image:#b7791f;--serif:"Source Han Serif SC", "Noto Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", serif;--sans:"PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;--topbar:52px;--radius:6px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:var(--sans);color:var(--ink);background:var(--table);font-variant-numeric:tabular-nums;font-size:14px;line-height:1.6}*{box-sizing:border-box}body{min-height:100vh;margin:0}h1,h2,h3{margin:0;font-weight:600}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}code{font-family:ui-monospace,Cascadia 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