:root{--paper:#f7f5ef;--white:#fffefa;--ink:#243f35;--text:#303b34;--muted:#72786d;--line:#e1e3d8;--light:#ecf0e5;--green:#44634d;--warm:#efe7d8;--amber:#8e6230;--sidebar:248px;--radius:15px;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--serif:"Songti SC","Noto Serif CJK SC","STSong",serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:26px}body{margin:0;background:var(--paper);font:15px/1.7 var(--sans);color:var(--text);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #a5b47e;outline-offset:3px}button,input,select,textarea{border:1px solid 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