:root{--ink:#172c28;--muted:#76827b;--green:#236553;--pale:#e9f2ec;--line:#e1e5dc;--bg:#f5f6f0;--nav:#192f2b;--red:#a84c3e;--amber:#a77a30;font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;transition:background .15s,transform .15s}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:2px solid #74a88c;outline-offset:3px}button:hover:not(:disabled){filter:brightness(.96)}[hidden]{display:none!important}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}.sidebar{position:fixed;width:220px;height:100vh;background:var(--nav);color:#ced8d0;padding:32px 18px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:white;margin:0 14px 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