:root{--bg:#f4f6f8;--surface:#fff;--surface-soft:#f8faf9;--line:#e3e8e6;--line-strong:#d4dcda;--text:#17211e;--text-soft:#5f6d68;--text-faint:#87938f;--green:#137a53;--green-dark:#0e6242;--green-soft:#e9f5ef;--green-pale:#f2f9f5;--red:#b43a3a;--red-soft:#fff0f0;--shadow:0 1px 2px #14261f09, 0 8px 24px #14261f09}*{box-sizing:border-box}html{background:var(--bg)}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif}button,textarea,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #137a532e}.app-shell{min-height:100vh}.sidebar{z-index:10;border-right:1px solid var(--line);background:#fffffff5;flex-direction:column;width:232px;padding:22px 15px;display:flex;position:fixed;inset:0 auto 0 0}.brand{align-items:center;gap:11px;padding:0 8px 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