:root{font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;color:#33352b;background:#f3ebd9;font-synthesis:none;--paper:#fbf6e9;--card:#fffdf6;--ink:#33352b;--muted:#6e6a58;--line:#e3d8c2;--green:#4f6549}*{box-sizing:border-box}body{margin:0;min-width:280px}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #6f8b6a;outline-offset:3px}button,a,input,select{touch-action:manipulation}p{line-height:1.7;margin:8px 0}h1{font-family:Songti SC,SimSun,"Noto Serif SC",serif;font-size:29px;line-height:1.35;margin:10px 0 12px;overflow-wrap:anywhere}h2{font-size:16px;line-height:1.5;margin:0}h3{font-size:15px;margin:10px 0 6px}a{color:var(--green)}.app-shell{width:100%;max-width:520px;min-height:100dvh;margin:0 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