:root{--canvas:#f2f0e9;--paper:#fbfaf6;--paper-deep:#ece9df;--ink:#242a28;--ink-soft:#5f6763;--line:#d8d5cb;--sage:#60776f;--sage-soft:#dfe7e2;--clay:#9a826d;--warning:#8a6558;--shadow:0 24px 70px #242a2817;--radius-lg:28px;--radius-md:18px}*{box-sizing:border-box}html{background:var(--canvas);min-width:320px}body{color:var(--ink);background:linear-gradient(#60776f09 1px, transparent 1px), linear-gradient(90deg, #60776f09 1px, transparent 1px), var(--canvas);-webkit-font-smoothing:antialiased;background-size:32px 32px;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button,label,select{-webkit-tap-highlight-color:transparent}button{color:inherit}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #60776f4d}.site-shell{min-height:100vh;overflow:hidden}.topbar{border-bottom:1px solid 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