:root{--bg:#eef1ed;--surface:#fff;--ink:#18201d;--muted:#66716c;--line:#dce2de;--accent:#206758;--accent-strong:#12483c;--danger:#b03a2e;--ok:#247345;--sans:"Microsoft YaHei UI", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--sans);color:var(--ink);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font-family:inherit}.app-frame{background:var(--bg);grid-template-columns:248px minmax(0,1fr);min-height:100vh;display:grid}.app-sidebar{border-right:1px solid var(--line);background:#fbfcf9;flex-direction:column;gap:18px;height:100vh;padding:18px 12px;display:flex;position:sticky;top:0}.brand-block{gap:4px;padding:10px 10px 14px;display:grid}.brand-block strong{color:var(--ink);font-size:24px;line-height:1}.brand-block span,.eyebrow,.page-header p,.panel-head 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