:root{--paper:#fffefa;--paper-deep:#f4f7f6;--ink:#15211f;--muted:#536561;--red:#c9212c;--red-dark:#991821;--jade:#15584f;--jade-dark:#0e453f;--warm:#b98343;--line:#cbd8d5;--cool:#eaf0f1;--white:#fff;--focus-ring:#2d6675;--page-gutter:22px;--serif:Georgia, "Times New Roman", "Songti SC", "STSong", "SimSun", serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;min-width:320px;height:100dvh;overflow:hidden}html{background:var(--paper)}body{background:var(--paper);place-items:center;margin:0;display:grid}#root{min-height:0}button,input,textarea{font:inherit}button{cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:#c9212c1f}button:focus,input:focus,textarea:focus,a:focus,.crop-stage:focus{outline:2px solid 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