:root{--bg:#fff;--ink:#171717;--muted:#626262;--faint:#919191;--line:#0000001a;--hover:#0000000d;--sidebar:#f9f9f9;--sidebar-width:268px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden}body{-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid 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