:root{--paper:#f4f3ee;--white:#fffefa;--ink:#263c40;--muted:#798582;--line:#dfe3da;--accent:#a85c42;--soft:#f0e4d9;--green:#58766c}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px}button,input,textarea,select{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}header{display:flex;align-items:center;justify-content:space-between;max-width:1440px;margin:auto;padding:25px 5%;border-bottom:1px solid 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