:root{--paper:#f3edde;--paper-2:#e8dfcd;--surface:#fffdf8;--ink:#17352c;--ink-2:#315047;--muted:#70766f;--line:#cdc2ae;--red:#a43b2d;--gold:#9b7a3b;--ok:#3f704d;--danger:#9c3328;--shadow:0 12px 34px rgba(20,39,31,.14);font-family:Microsoft YaHei,PingFang SC,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--paper);letter-spacing:0}button,input,select,textarea{font:inherit;letter-spacing:0}button{cursor:pointer}a{color:inherit;text-decoration:none}.admin-shell{min-height:100vh}.side-nav{position:fixed;inset:0 auto 0 0;z-index:20;width:232px;padding:22px 16px 18px;display:flex;flex-direction:column;background:#142e25;color:#fff}.brand{min-height:62px;padding:0 8px 20px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.14)}.brand-seal{width:38px;height:38px;display:grid;place-items:center;border:1px solid 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var(--line);border-radius:3px;background:#fff9;color:var(--ink);outline:none}textarea{min-height:110px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 2px #9b7a3b1f}.form-actions{grid-column:1/-1;padding-top:6px;display:flex;justify-content:flex-end;gap:8px}.edit-panel{max-width:900px;padding:22px}.empty{padding:56px 20px;color:var(--muted);text-align:center}.category-tree{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.category-group{border:1px solid var(--line);background:#ffffff40}.category-row{min-height:54px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.category-row:last-child{border-bottom:0}.category-child{padding-left:32px;color:var(--ink-2)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;padding:24px;display:grid;place-items:center;background:#0c1b16a3}.modal{width:min(720px,100%);max-height:90vh;overflow:auto;border:1px 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button.active{background:var(--ink);color:#fff}.note-content{max-width:420px;white-space:normal;line-height:1.6}.audit-detail{max-width:360px;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}.toast{position:fixed;right:22px;bottom:22px;z-index:60;max-width:360px;padding:12px 16px;border-radius:3px;background:var(--ink);color:#fff;box-shadow:var(--shadow)}.nav-mask{display:none}@media(max-width:1000px){.stats{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2n){border-right:0}.split,.category-tree{grid-template-columns:1fr}}@media(max-width:720px){.side-nav{transform:translate(-100%);transition:transform .2s}.side-nav.open{transform:translate(0)}.admin-main{margin-left:0;padding:0 14px 38px}.mobile-menu{display:grid;place-items:center;width:36px;height:36px;padding:0;border:1px solid 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