:root{--forest:#183c2d;--green:#2f5a46;--sage:#dfe7df;--cream:#f3efe5;--paper:#fbfaf5;--ink:#183027;--muted:#717c74;--line:#d7d7cd;--danger:#963c31;--max:1440px;color:var(--ink);background:var(--paper);font-synthesis:none;font-family:PingFang SC,Noto Sans CJK SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body,#root{width:100%;max-width:100%}body{background:var(--paper);min-width:0;color:var(--ink);-webkit-font-smoothing:antialiased;margin:0}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}.site-shell,.site-shell main,.workspace,.editor-panel,.board-list,.board-card{width:100%;min-width:0;max-width:100%}.site-shell{min-height:100vh}.site-header{z-index:30;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fbfaf5f0;border-bottom:1px solid #183c2d29;grid-template-columns:1fr auto 1fr;align-items:center;min-height:84px;padding:14px 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