:root{--paper:#fff;--ink:#111;--muted:#626266;--disabled:#a1a1a1;--line:#c8c8c5;--quiet:#f4f4f2;--wine:#831f36;--radius:4px;--gutter:24px;--font-ui:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;--font-title:"Songti SC", STSong, SimSun, serif;font-family:var(--font-ui);color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,select{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled,input:disabled,select:disabled{cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:2px solid 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