@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;color:#15313e;background:#f5f8f8;--navy:#073d55;--teal:#006a75;--green:#329b68;--blue:#278dd6;--border:#dbe5e8;--muted:#687e88}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f5f8f8;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid rgba(0,106,117,.2);outline-offset:2px}.app{min-height:100vh}.topbar{height:72px;display:grid;grid-template-columns:300px 1fr 300px;align-items:stretch;background:#fffffff7;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.brand{border:0;background:transparent;display:flex;align-items:center;gap:10px;padding:0 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