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@media(max-width:1150px){.shell{grid-template-columns:225px minmax(0,1fr)}aside{padding:25px 12px}main{padding:30px 25px 50px}header{padding:0 25px}.hero{gap:22px}.hero h1{font-size:39px}.hero-art pre{font-size:10px}.lesson-layout{grid-template-columns:minmax(0,1fr)}.toc{display:none}.practice-grid{grid-template-columns:minmax(220px,.8fr) minmax(0,1.3fr)}.article{padding:24px}.slide{padding:32px}.slide h2{font-size:28px}.slide ul{font-size:16px}.stat{padding:0 18px}.shortcut{display:none}}
@media(max-width:850px){.shell{grid-template-columns:1fr}aside{position:fixed;width:270px;left:0;z-index:20;transform:translateX(-100%);transition:transform .2s;box-shadow:8px 0 25px #0002}.menu-open aside{transform:translateX(0)}.menu-open .mobile-shade{display:block;position:fixed;inset:0;background:#112d3d66;z-index:19}.menu-button{display:inline-block;padding:7px 11px}.breadcrumb{flex:1}.header-actions .small{display:none}header{height:65px;padding:0 20px}main{padding:28px 22px}.hero{padding-top:0}.hero h1{font-size:40px}.hero-art{transform:none}.practice-grid{grid-template-columns:1fr}.task-panel details{display:block}.page-heading{gap:12px}.page-heading h1{font-size:29px}.tabs{gap:20px;overflow-x:auto}.slide ul{font-size:16px}.slide{min-height:430px}.slide-toolbar{flex-wrap:wrap}.page-heading .meta{max-width:100px;text-align:right}.question{padding:18px}.two-col{grid-template-columns:1fr}.workflow{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){main{padding:24px 16px 40px}header{padding:0 16px}.header-actions button{font-size:11px;padding:7px 10px}.hero{grid-template-columns:1fr;gap:24px}.hero h1{font-size:40px}.hero p{font-size:13px}.hero-art{display:none}.stats{padding:18px 0;margin-bottom:28px;grid-template-columns:repeat(2,1fr);gap:19px}.stat:nth-child(2){border:0}.stat strong{font-size:24px}.stat span{font-size:10px}.course-grid{grid-template-columns:1fr}.course-cover{height:110px}.course-card-content{padding:22px}.course-card p{min-height:0}.section-head{align-items:start}.section-head h2{font-size:21px}.section-head>.meta{display:none}.page-heading{display:block;margin-bottom:18px}.page-heading .meta{max-width:none;text-align:left;margin-top:12px}.page-heading h1{font-size:29px}.page-heading p{font-size:13px}.tabs{gap:22px;margin:20px 0}.tabs a,.tabs button{font-size:12px}.article{padding:21px 18px}.article h2{font-size:19px}.article p,.article li{font-size:13px}.code-wrap pre{font-size:11px;padding:14px}.code-top{font-size:9px}.lesson-bottom{display:block}.lesson-bottom .button{margin-top:14px}.slide{padding:27px 22px;min-height:430px}.slide h2{font-size:25px}.slide ul{font-size:14px}.slide-footer{font-size:9px}.slide-toolbar button{font-size:11px;padding:8px 11px}.slide-toolbar .meta{font-size:10px}.dictionary{grid-template-columns:1fr}.practice-top{display:block}.practice-top select{width:100%;margin-top:12px}.editor{padding:16px;font-size:12px}.editor-actions{padding:11px;gap:6px}.editor-actions button{padding:8px 10px;font-size:11px}.score-box{padding:20px;gap:15px}.score-box strong{font-size:30px}.progress-grid{grid-template-columns:1fr}.lesson-row{padding:16px;gap:13px}.lesson-row .row-state{font-size:10px}.lesson-row h3{font-size:13px}.lesson-row p{font-size:11px}.lesson-row .row-number{font-size:20px}.report-table-wrap{overflow:auto}.footer{display:block}.footer span{display:block;margin-bottom:5px}.exam-timer{padding:12px}.exam-timer button{font-size:10px;padding:7px}.question legend{font-size:14px}.question label{font-size:12px}.panel{padding:20px}}
@media print{@page{size:A4 landscape;margin:10mm}body{background:white}.shell,.toast,.skip{display:none!important}.print-slides{display:block!important}.print-slide{page-break-after:always;break-after:page;min-height:175mm;padding:10mm;color:#112d3d}.print-slide:last-child{page-break-after:auto}.print-slide h2{font-size:28pt}.print-slide li{font-size:14pt;line-height:1.7}.print-slide pre{font-size:10pt;white-space:pre-wrap;border:1px solid #ccc;padding:12px}.print-slide small{font-size:9pt}.print-slide .eyebrow{font-size:10pt}.print-slide p{font-size:11pt}}
.confirm-dialog{max-width:min(480px,calc(100vw - 32px));border:1px solid var(--line);border-radius:12px;padding:28px;color:var(--ink);box-shadow:0 20px 70px #0003}.confirm-dialog::backdrop{background:#112d3d80}.confirm-dialog h2{font-size:21px}.confirm-dialog p{font-size:14px;margin:18px 0 25px}.confirm-dialog .flex{justify-content:flex-end}
.setup-jumps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:24px 0}.setup-jumps a{display:block;border:1px solid var(--line);background:white;border-radius:7px;padding:12px;font-size:12px;text-decoration:none;line-height:1.6}.setup-jumps a:hover{border-color:var(--navy)}.setup-step{margin:20px 0;scroll-margin-top:20px}.setup-step h2{margin:11px 0 17px;font-size:23px}.setup-step p,.setup-step li{font-size:14px;line-height:1.9}.setup-step li{margin-bottom:12px}.setup-step code,.setup-faq code{overflow-wrap:anywhere}.setup-step .code-wrap code{overflow-wrap:normal}.setup-faq details{padding:16px 0;border-bottom:1px solid var(--line);font-size:13px}.setup-faq summary{font-weight:650;cursor:pointer;line-height:1.8}.setup-faq p{margin:14px 0 0}.setup-notice{margin-bottom:26px}.setup-notice p{margin:8px 0 14px}.engine-comparison{min-width:650px}.engine-comparison td{white-space:normal;line-height:1.8;vertical-align:top}.engine-comparison th[scope=row]{position:static;background:transparent;color:var(--ink)}@media(max-width:850px){.setup-jumps{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.setup-step p,.setup-step li{font-size:13px}.setup-step h2{font-size:20px}.setup-jumps a{font-size:11px}}