:root{--ink:#253b37;--muted:#697a74;--green:#266955;--deep:#194c3f;--mint:#e9f3eb;--paper:#f7f8f4;--line:#e0e7df;--orange:#c56936;--white:#fff;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 "Microsoft YaHei","PingFang SC",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer;border:0;border-radius:8px;padding:10px 18px;background:var(--green);color:white;font-weight:600}button:hover{filter:brightness(.95)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--mint);color:var(--green)}button.quiet{background:transparent;color:var(--muted);border:1px solid var(--line)}a{color:var(--green);text-decoration:none}input,select,textarea{border:1px solid 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@media(min-width:1600px){main{padding-top:42px}}@media(max-width:1100px){.sidebar{width:200px;padding:26px 14px}.workspace{margin-left:200px}main{padding:26px}.topbar{padding:0 26px}.grid-two{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1.3fr 1fr}.stats{gap:10px}.stat{padding:14px}.brand{font-size:17px}}@media(max-width:760px){.sidebar{position:static;width:100%;padding:16px;display:block}.side-label,.side-bottom{display:none}nav{display:flex;overflow:auto;margin-top:14px;gap:4px}nav a{white-space:nowrap;padding:8px 12px;font-size:12px;margin:0}nav a span{display:none}.workspace{margin-left:0}.topbar{height:auto;min-height:65px;padding:10px 16px}.topbar>span{display:none}.top-actions{width:100%;justify-content:space-between;gap:6px}.avatar{display:none}main{padding:22px 16px}.hero{grid-template-columns:1fr}.hero-art{display:none}.hero-content{padding:24px}.hero h2{font-size:24px}h1{font-size:25px}.stats{grid-template-columns:repeat(2,1fr)}.course-grid{grid-template-columns:1fr}.exam-layout{display:flex;flex-direction:column-reverse}.exam-side{position:static}.numbers{grid-template-columns:repeat(10,1fr)}.page-head{align-items:flex-start;flex-direction:column}.panel{padding:18px}.lesson-stage{padding:20px}.lesson-stage .formula{font-size:20px}.order{font-size:17px;padding:12px 0}footer{padding:18px;display:block}.report-bars{gap:24px}.top-actions button{font-size:12px}.question input{width:100%}}
@media print{body{background:white;color:black;font-size:13px}.sidebar,.topbar,footer,.tabs,.controls,.no-print,#toast,dialog,button{display:none!important}.workspace{margin:0}main{padding:0;max-width:none;min-height:0}.panel{border:0;padding:0}.question{padding:15px 0;min-height:95px}.question input{border:0;border-bottom:1px solid black;border-radius:0;height:25px}.print-only{display:block}.page-head{display:block}.print-sheet{padding:10mm}.print-sheet .question svg{height:95px}h1{font-size:23px}.print-sheet .question{break-inside:avoid}.exam-side{display:none}.exam-layout{display:block}@page{size:A4;margin:15mm}}