:root{--paper:#f6f3eb;--surface:#fffcf6;--ink:#253b37;--muted:#596961;--line:#d8ded2;--accent:#356650;--tint:#e8eee2;--soft:#ede9de;--serif:Georgia,"Songti SC","STSong",serif}*{box-sizing:border-box}html{scroll-behavior:auto}body{color:var(--ink);background:var(--paper);margin:0;font:15px/1.65 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}button,input,select{font:inherit}button,input,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled,.button:disabled{cursor:not-allowed;color:#59635c;background:#e0e3db;border-color:#c6cec2}button,input,select{border-radius:7px}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible,[tabindex="-1"]:focus-visible{outline:3px solid 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