:root{--green:#2563eb;--green-deep:#173c72;--ink:#24344a;--muted:#687b93;--line:#e1e4e8;--paper:#f4f7fc;--amber:#a66b21;--red:#b65343;--mint:#eaf2ff;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #93b9f5;outline-offset:3px}input,select{min-width:0}h1,h2,h3,p{margin:0}.topbar{height:90px;padding:0 max(32px,calc((100vw - 1320px)/2));background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:54px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:17px;font-weight:650;white-space:nowrap}.brand 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select{max-width:175px}.demo-toolbar{margin-bottom:14px}.result-card{padding:19px}.result-card-head{align-items:start}footer{flex-direction:column;gap:5px;margin-top:24px;padding:19px 0}}@media(max-width:390px){.intro h1{font-size:20px}.intro .button span{display:none}.brand small{display:none}.demo-toolbar select{max-width:132px}.summary-panel{padding:20px}.stats{gap:9px}.stat{gap:7px}.stat span{font-size:10px}.result-drug small{display:block;margin-left:0}.button{gap:12px}}@media print{body{background:#fff;font-size:12px}.topbar,.intro,.scope-strip,.inputs,.demo-toolbar,.export-actions,footer,.bottom-note,dialog,#toast{display:none!important}main{max-width:none;padding:0}.workspace{display:block}.results{margin:0}.summary-panel{color:#222;background:#fff;border:1px solid #ccc}.summary-panel:after{display:none}.summary-eyebrow,.renal-number span,.renal-meta,.stat span{color:#444}.stat 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