@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600&display=swap";:root{font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#253b36;background:#f7f8f5;font-synthesis:none;font-size:14px;--accent:#22645c;--accent-hover:#174e46;--accent-soft:#eaf2ee;--paper:#fff;--ink:#253b36;--muted:#67776f;--line:#e0e6df;--subtle:#f0f3ee;--radius:12px;--shadow:0 12px 42px #213e3419}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,label,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}button,a,input,textarea,select{outline-offset:3px}*:focus-visible{outline:2px solid #398f7d}::selection{background:#d5e9df;color:#163e34}input,textarea{caret-color:var(--accent)}a{color:var(--accent);text-decoration:none}button{color:inherit}h1,h2,h3,h4,p{margin-top:0}h1{font-size:27px;letter-spacing:-.02em;font-weight:600;margin-bottom:10px}h2{font-size:18px;font-weight:600}h3{font-size:15px;font-weight:600}h4{font-size:14px;font-weight:600}p{line-height:1.8}small{font-size:12px;color:var(--muted);line-height:1.7}svg{flex-shrink:0}button{transition:background .16s ease,color .16s ease}button:active:not(:disabled){transform:translateY(1px)}input,textarea,select{border:1px solid #ccd7ce;border-radius:7px;background:#fff;color:var(--ink);padding:10px 12px;min-height:40px;max-width:100%}input::placeholder,textarea::placeholder{color:#738078}textarea{resize:vertical;line-height:1.7}input[type=checkbox]{width:16px;height:16px;min-height:0;padding:0;accent-color:var(--accent);flex-shrink:0}input[type=range]{padding:0;border:0;accent-color:var(--accent)}.primary,.secondary{min-height:40px;padding:9px 16px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:13px;font-weight:500;line-height:1.5;border:1px solid transparent;white-space:nowrap}.primary{background:var(--accent);color:#fff}.primary:hover:not(:disabled){background:var(--accent-hover)}.secondary{background:#fff;border-color:#d5ded5;color:#38594e}.secondary:hover:not(:disabled){background:#f0f5ef}.compact{padding:6px 11px;min-height:33px;font-size:12px}.full{width:100%}.text-button{padding:5px 0;border:0;background:none;color:var(--accent);display:inline-flex;gap:7px;align-items:center;font-size:13px}.text-button:hover{color:#102f27;text-decoration:underline;text-underline-offset:4px}.icon-button{width:34px;height:34px;min-width:34px;display:inline-flex;justify-content:center;align-items:center;padding:0;border:0;border-radius:6px;background:transparent;color:#6e8075}.icon-button:hover{background:#ebf0e9;color:var(--accent)}.muted,.subtle{color:var(--muted);font-size:12px}.inline-error{color:#a23935;font-size:13px;background:#fff2ef;border-radius:6px;padding:10px 12px}.checkbox-line{display:flex;gap:9px;align-items:center;line-height:1.7;font-size:13px;margin-bottom:13px}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;font-size:13px}.field>span:first-child{font-weight:500}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.code-input{font-family:SFMono-Regular,Consolas,monospace;font-size:13px}.math-text{line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere}.math-text .katex{font-size:1.15em}.display-math{display:block;overflow:auto;max-width:100%}.katex-display{margin:12px 0}.question-figure{display:block;max-width:100%;max-height:330px;object-fit:contain;margin:18px auto}.app-shell{display:flex;min-height:100dvh}.sidebar{width:230px;position:fixed;inset:0 auto 0 0;background:#f0f3ed;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:29px 18px 0;z-index:35}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);margin:0 8px 32px}.brand strong{font-size:24px;font-weight:600;letter-spacing:1px}.brand>span{font-size:11px;color:#65786c;padding-top:5px}.brand-icon{display:flex;align-items:center;color:var(--accent);margin-right:2px}.workspace-name{display:flex;gap:10px;padding:14px 10px 23px;border-top:1px solid var(--line);margin-bottom:11px}.workspace-avatar{width:31px;height:35px;border:1px solid #cfdbce;background:#e8eee4;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#4e6756}.workspace-name strong{font-size:12px;font-weight:500}.workspace-name small{display:block;font-size:10px;margin-top:3px}.sidebar nav{display:grid;gap:7px}.sidebar nav>button{border:0;background:none;padding:12px 15px;text-align:left;border-radius:7px;display:flex;gap:12px;align-items:center;font-size:13px;color:#5b7063}.sidebar nav>button:hover{background:#e5ece1}.sidebar nav>button.active{color:var(--accent);background:#dfeadf;font-weight:600}.nav-count{font-size:11px;background:#cbdcc9;padding:1px 6px;border-radius:4px;margin-left:auto}.sidebar-bottom{margin-top:auto}.quiet-note{display:flex;gap:10px;align-items:center;padding:22px 15px;color:#708170;font-size:11px;line-height:1.8}.account{display:flex;align-items:center;gap:10px;padding:20px 1px;border-top:1px solid var(--line)}.user-avatar{width:32px;height:32px;border-radius:50%;background:#dce7d9;display:flex;justify-content:center;align-items:center;color:#49664c;font-size:12px}.account strong{font-size:12px;font-weight:500}.account small{display:block;font-size:10px}.account>.icon-button{margin-left:auto}.workspace{margin-left:230px;width:calc(100% - 230px);min-width:0}.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 40px;background:#fbfcf9}.breadcrumb{display:flex;align-items:center;gap:14px;font-size:12px;color:#7a887d}.breadcrumb strong{color:#3c5546;font-weight:500}.breadcrumb .icon-button{display:none}.topbar-note{font-size:11px;color:#6e7c70}.main-content{padding:39px 40px 32px;max-width:1480px;margin:0 auto}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:30px}.page-heading p{font-size:12px;color:var(--muted);margin:0}.heading-actions{display:flex;gap:9px}.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:21px 23px}.search-row{display:flex;gap:12px}.search-input{display:flex;align-items:center;gap:9px;flex:1;border:1px solid #d5ddd4;border-radius:7px;padding-left:13px;color:#758578;min-width:100px}.search-input:focus-within{border-color:var(--accent)}.search-input input{border:0;background:none;width:100%;outline:none;font-size:13px}.search-input input:focus-visible{outline:none}.search-input .icon-button{margin-right:4px}.segmented{display:flex;border:1px solid #d9e1d6;background:#f4f6f1;padding:3px;border-radius:7px;white-space:nowrap}.segmented button{border:0;border-radius:5px;background:transparent;font-size:12px;padding:7px 12px;color:#68776b}.segmented button.selected{background:#fff;color:var(--accent);box-shadow:0 1px 3px #294b3420;font-weight:500}.filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-top:17px;margin-top:18px;border-top:1px solid #edf0e9}.filter-row select{font-size:12px;min-width:104px;border-color:#e1e7dd;padding:7px 10px;min-height:35px}.year-input{width:108px;font-size:12px;min-height:35px;padding:7px 10px;border-color:#e1e7dd}.favorite-filter{display:flex;gap:6px;align-items:center;border:0;background:none;color:#718071;padding:8px;font-size:12px}.favorite-filter.on{color:var(--accent);background:var(--accent-soft);border-radius:6px}.reset{margin-left:auto;font-size:12px;color:#6b7c6e}.result-bar{display:flex;justify-content:space-between;align-items:center;margin:23px 0 13px}.result-bar p{font-size:12px;color:#768273;margin:0}.result-bar p strong{color:var(--ink);font-size:14px;padding:0 4px;font-weight:600}.small-count{padding:1px 6px;background:#e4eee2;border-radius:4px;color:var(--accent);font-size:11px}.question-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.question-row{display:flex;gap:19px;padding:23px 25px;border-bottom:1px solid #e6eae2}.question-row:last-child{border:0}.question-index{color:#859780;font-family:Georgia,serif;font-size:18px;padding-top:9px;font-variant-numeric:tabular-nums;width:26px;flex-shrink:0}.question-main{min-width:0;flex:1}.question-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:5px;gap:10px}.tags{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:#768174;align-items:center}.grade-tag{background:#eaf2e8;padding:3px 7px;border-radius:4px;color:#47734f}.difficulty{padding-left:12px;position:relative}.difficulty:before{content:"";position:absolute;top:6px;left:0;width:5px;height:5px;background:#9baa7c;border-radius:50%}.difficulty.hard:before{background:#b68f55}.sample-tag{border:1px solid #e1e7db;border-radius:3px;padding:1px 4px;color:#7c8874}.question-open{border:0;background:none;display:block;width:100%;text-align:left;padding:0}.question-open h3{margin:7px 0 10px;font-size:15px;font-weight:500;color:#2b4438}.question-open:hover h3{color:var(--accent)}.question-open .math-text{font-size:13px;max-height:142px;overflow:hidden;color:#34463b}.question-footer{display:flex;justify-content:space-between;gap:12px;align-items:end;margin-top:22px}.question-meta{display:grid;gap:7px;font-size:10px;color:#768574}.question-meta span:first-child{color:#627961}.question-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}.question-actions .text-button{font-size:11px;margin-right:9px}.chosen{background:#dceadc;color:#275b39;border-color:#bcd4bc}.pagination{display:flex;gap:10px;justify-content:flex-end;align-items:center;margin-top:20px;font-size:11px;color:#7a8676}.pagination span{margin-right:auto}.empty{display:flex;align-items:center;flex-direction:column;justify-content:center;min-height:280px;padding:40px;text-align:center;gap:12px;color:#85947f}.empty h3{margin:5px 0 0;color:#45613e}.empty p{font-size:12px;max-width:420px;margin:0 0 10px;color:#73816d}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:28px 0 15px}.section-heading h2{margin:0;font-size:16px}.section-heading>span{font-size:12px;color:var(--muted)}.upload-zone{padding:45px 20px;text-align:center;border:1px dashed #b9cbb7;background:#eff4ec;border-radius:12px;color:var(--accent)}.upload-zone h2{margin:15px 0 8px;font-size:18px}.upload-zone p{color:#6c7f65;font-size:12px}.upload-actions{display:flex;gap:10px;justify-content:center;margin-top:22px}.upload-actions label{cursor:pointer}.asset-list{border:1px solid var(--line);border-radius:12px;background:#fff}.asset-row{padding:19px 22px;display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line)}.asset-row:last-child{border:0}.file-symbol{height:42px;width:38px;display:flex;align-items:center;justify-content:center;color:#6e8566;background:#f0f5eb;border-radius:5px}.asset-info{min-width:0;flex:1}.asset-info h3{font-size:13px;overflow-wrap:anywhere;margin-bottom:7px}.asset-info p{font-size:11px;color:var(--muted);margin:0}.import-review{margin-top:20px}.import-columns{display:grid;grid-template-columns:1fr 1fr;gap:25px}.original-preview{min-width:0}.original-preview iframe{width:100%;height:550px;border:1px solid var(--line);border-radius:8px}.original-preview img{width:100%;max-height:550px;object-fit:contain}.original-preview a{display:flex;gap:8px;align-items:center;font-size:12px;margin-top:10px}.review-actions{display:flex;gap:9px;flex-wrap:wrap}.ocr-action{margin-top:24px;display:flex;align-items:end;gap:12px}.ocr-action .field{margin:0;width:95px}.import-note{margin-bottom:18px}.knowledge-grid{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.knowledge-item{padding:28px 30px;border-bottom:1px solid var(--line)}.knowledge-item:last-child{border:0}.knowledge-item h2{font-family:"Noto Serif SC",serif;font-size:21px;font-weight:500;margin:19px 0}.knowledge-item .math-text{font-size:14px;max-width:75ch}.knowledge-actions{margin-top:25px;display:flex;justify-content:space-between;align-items:center}.compose-toolbar{display:flex;gap:15px;align-items:center;padding:0 0 23px;flex-wrap:wrap}.compose-toolbar select{max-width:280px;font-size:12px}.toolbar-end{margin-left:auto;display:flex;gap:8px}.compose-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:27px;align-items:start}.paper-wrap{min-width:0}.paper-label{font-size:11px;color:#7c8777;display:flex;align-items:center;gap:8px;margin-bottom:14px}.paper-label span{margin-left:auto}.worksheet-paper{background:#fff;padding:40px 38px;box-shadow:0 4px 24px #3456340c;min-height:700px}.paper-topline{display:flex;justify-content:space-between;font-size:10px;color:#7e8d76;border-bottom:1px solid #c5d4c0;padding-bottom:10px;margin-bottom:29px}.sheet-title{width:100%;text-align:center;font-size:21px;font-family:"Noto Serif SC",serif;font-weight:600;border:1px solid transparent;padding:8px 2px;color:#386a56}.sheet-title:hover{border-color:#e0e7db}.sheet-section{margin-top:34px}.sheet-section h2{font-size:15px;font-weight:500;border-bottom:1px solid #8aa590;color:#386a56;padding-bottom:9px;display:flex;gap:12px}.sheet-section h2 span{font-family:serif;color:#70927a}.sheet-item{position:relative;padding-top:12px;font-size:12px}.sheet-item h3{font-size:13px}.sheet-question-no{float:left;margin-right:9px;padding-top:2px}.sheet-item-actions{display:flex;justify-content:flex-end;gap:2px;margin-top:8px;opacity:.3}.sheet-item:hover .sheet-item-actions,.sheet-item:focus-within .sheet-item-actions{opacity:1}.paper-placeholder{font-size:11px;color:#8e9b84;padding:25px 12px;border:1px dashed #dce5d5;border-radius:5px;margin-top:18px;text-align:center}.compose-options{padding:22px;background:#fff;border:1px solid var(--line);border-radius:10px;position:sticky;top:20px}.compose-options>h3{margin-bottom:25px}.range-row{display:flex;gap:10px;align-items:center}.range-row input{width:100%;min-width:0}.range-row span{font-size:11px;white-space:nowrap;color:#65785e}.option-section{padding-top:23px;margin-top:23px;border-top:1px solid var(--line)}.option-section h4{margin-bottom:15px}.option-section h4 span{float:right;font-size:11px;font-weight:400;color:var(--muted)}.option-section p{font-size:11px}.option-section .full{margin-bottom:9px}.option-section .checkbox-line{font-size:11px;align-items:start}.option-section>select{width:100%;font-size:12px}.option-section small{display:block;font-size:10px}.settings-layout{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 28px}.settings-section{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;padding:32px 0;border-bottom:1px solid var(--line)}.settings-section:last-child{border:0}.settings-section h2{font-size:16px;margin-bottom:10px}.settings-section>div>p{font-size:12px;color:var(--muted)}.category-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid #edf0e9;padding:13px 0;font-size:12px;margin-bottom:10px}.category-row strong{font-weight:500}.category-row span{font-size:11px;color:var(--muted)}.status-line{display:flex;justify-content:space-between;font-size:12px;padding:0 0 15px}.status-line strong{font-weight:500}.restore-upload{margin-left:8px;cursor:pointer}.settings-section .subtle{margin-top:12px}.jobs-list{background:#fff;border:1px solid var(--line);border-radius:12px}.job-row{padding:26px;display:flex;gap:17px;border-bottom:1px solid var(--line)}.job-state{color:#7b8e6a;padding-top:3px}.job-state.done{color:var(--accent)}.job-state.failed{color:#a85a49}.job-content{min-width:0;flex:1}.job-title{display:flex;gap:14px;align-items:center;margin-bottom:15px;flex-wrap:wrap}.job-title h3{margin:0;font-size:14px}.job-title span{font-size:11px;color:var(--muted)}.job-title time{margin-left:auto;font-size:10px;color:#829079}.job-content .math-text{font-size:13px;padding:14px 0;max-height:380px;overflow:auto}.job-actions{display:flex;gap:12px;align-items:center;margin-top:14px;flex-wrap:wrap}.drawer-backdrop{position:fixed;inset:0;background:#173b322b;z-index:60;display:flex;justify-content:flex-end}.detail-drawer{width:min(660px,100%);background:#fff;height:100dvh;display:flex;flex-direction:column;box-shadow:-12px 0 50px #1a352018;animation:drawer-in .2s ease-out}.drawer-heading{padding:22px 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.drawer-heading h2{margin:0;font-size:18px}.drawer-body{padding:28px;overflow:auto;flex:1}.drawer-body>h2{margin:22px 0;font-size:20px}.drawer-body>.math-text{font-size:15px}.drawer-footer{padding:18px 28px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px}.drawer-footer>.primary:only-child{margin-left:auto}.detail-meta{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:26px}.detail-meta p{margin-bottom:8px}.answer-section{padding:24px;background:#f3f6f0;border-radius:10px;margin-top:25px}.answer-section h3{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.answer-section h3 span{font-size:10px;font-weight:400}.confirmed{color:var(--accent)}.answer-section .math-text{font-size:13px}.answer-section h3:not(:first-child){margin-top:26px}.detail-ai{margin-top:27px}.detail-ai p{font-size:12px;color:var(--muted)}.detail-ai button{margin-right:8px}.editor-preview{padding:15px 20px;background:#f3f6ef;margin-bottom:23px;border-radius:7px;font-size:13px}.editor-preview>span{display:block;font-size:10px;color:#7a8c6e;margin-bottom:10px}.asset-chip{display:flex;align-items:center;justify-content:space-between;background:#f2f6ec;padding:4px 12px;border-radius:6px;margin:5px 0;font-size:12px}.toast{position:fixed;bottom:28px;left:calc(50% + 100px);transform:translate(-50%);z-index:100;display:flex;align-items:center;gap:12px;max-width:min(650px,90vw);padding:12px 14px 12px 19px;color:#225540;background:#f8fff6;box-shadow:var(--shadow);border-radius:9px;font-size:13px;line-height:1.6}.toast.error{background:#fff8f6;color:#9a3d30}.toast>span{min-width:0}.preview-backdrop{position:fixed;inset:0;z-index:65;background:#e9eee5;overflow:auto;padding-bottom:45px}.preview-toolbar{display:flex;align-items:center;gap:25px;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);padding:16px max(20px,calc((100vw - 900px)/2));position:sticky;top:0;z-index:1}.preview-toolbar h2{font-size:16px;margin:0}.preview-paper{margin:30px auto 0;width:min(794px,calc(100% - 30px));font-size:14px;padding:50px 55px}.preview-paper>h1{text-align:center;font-family:"Noto Serif SC",serif;font-size:26px;margin-bottom:40px}.preview-paper h2{color:var(--accent);font-size:18px;border-bottom:1px solid #9bb09a;padding-bottom:12px;margin-top:32px}.preview-question{padding-top:14px}.preview-answer{padding:18px 20px;background:#f3f6ed;margin-top:15px}.preview-answer>strong{display:block;margin-bottom:10px;font-size:12px}.preview-paper>.subtle{margin-top:40px}.login{min-height:100dvh;display:grid;grid-template-columns:1.15fr 1fr;background:#fff}.login-intro{background:#edf2e8;padding:45px max(45px,calc((100vw - 1100px)/2));display:flex;flex-direction:column;justify-content:center;overflow:hidden}.login-intro .brand{margin:0 0 60px;white-space:nowrap}.login-intro h1{font-family:"Noto Serif SC",serif;font-size:39px;line-height:1.55;color:#2d5f49;font-weight:500}.login-intro>p{color:#708165;font-size:13px;margin:20px 0 30px;line-height:2}.login-paper{background:#fff;padding:28px 30px;box-shadow:4px 12px 35px #38562c0c;width:390px;max-width:100%;transform:rotate(-3deg);margin-top:15px}.login-paper>span{color:#3c7662;font-size:16px;font-family:"Noto Serif SC",serif}.login-paper>.math-text{font-size:12px;margin:25px 0}.paper-rule{height:1px;background:#dfe8d8;margin-top:25px}.login-paper>p{font-size:9px;margin:15px 0 0;color:#859178}.login-form{width:345px;max-width:calc(100% - 40px);margin:auto}.mini-mark{width:43px;height:43px;background:#edf3e7;display:flex;justify-content:center;align-items:center;border-radius:12px;color:var(--accent);margin-bottom:25px}.login-form h2{font-size:26px;margin-bottom:12px;font-weight:500}.login-form>p{font-size:12px;color:var(--muted);margin-bottom:30px}.login-form .field{margin-bottom:20px}.login-form>.primary{margin-top:13px;min-height:44px}.login-note{display:block;font-size:10px;margin-top:20px;text-align:center}.loading-screen{display:grid;place-items:center;height:100dvh;color:var(--muted)}.nav-scrim{display:none}@keyframes drawer-in{0%{transform:translate(40px);opacity:.5}to{transform:translate(0);opacity:1}}@media(min-width:1650px){.main-content{padding-left:65px;padding-right:65px}}@media(max-width:1150px){.sidebar{width:205px;padding-left:13px;padding-right:13px}.workspace{margin-left:205px;width:calc(100% - 205px)}.main-content{padding:30px 25px}.topbar{padding:0 25px}.question-footer{align-items:start}.question-actions .muted{display:none}.compose-layout{grid-template-columns:minmax(0,1fr) 220px;gap:18px}.worksheet-paper{padding:30px 25px}.settings-section{gap:25px;grid-template-columns:1fr 1.6fr}.segmented button{padding-left:8px;padding-right:8px}.login-intro{padding:40px}.login-intro h1{font-size:34px}}@media(max-width:850px){.sidebar{width:220px;transform:translate(-100%);transition:transform .18s ease-out}.sidebar.open{transform:translate(0)}.workspace{margin-left:0;width:100%}.breadcrumb .icon-button{display:flex;margin-left:-8px}.nav-scrim{display:block;position:fixed;inset:0;background:#163c3338;z-index:34;border:0}.topbar{height:58px}.main-content{padding:27px 23px}.page-heading{align-items:start}.page-heading h1{font-size:24px}.topbar-note{font-size:10px}.toast{left:50%}.compose-layout{grid-template-columns:minmax(0,1fr) 225px}.login{grid-template-columns:1fr 1fr}.login-intro{padding:35px 26px}.login-intro h1{font-size:30px}.login-intro .brand>span{display:none}.login-form{width:auto;margin:auto 25px;max-width:100%}}@media(max-width:620px){.main-content{padding:25px 16px}.topbar{padding:0 18px}.page-heading{gap:14px;margin-bottom:24px;flex-wrap:wrap}.page-heading h1{font-size:24px}.page-heading p{font-size:11px;line-height:1.8}.heading-actions{width:100%}.heading-actions button{flex:1}.filter-panel{padding:15px}.search-row{flex-wrap:wrap;gap:10px}.search-input{flex-basis:100%;height:43px}.search-row>.primary{margin-left:auto;min-width:76px}.search-row .segmented{height:36px;align-self:center}.filter-row{gap:8px;margin-top:14px;padding-top:13px}.filter-row select{min-width:0;flex:1;max-width:calc(50% - 4px);font-size:11px}.year-input{width:92px;flex:1}.favorite-filter{font-size:11px;padding:7px 0}.reset{font-size:11px}.result-bar{margin-top:20px}.question-row{padding:17px 15px;gap:11px}.question-index{width:20px;font-size:15px}.question-open h3{font-size:14px;margin-bottom:12px}.question-open .math-text{font-size:12px;max-height:175px;line-height:2}.tags{gap:7px;font-size:10px}.question-footer{margin-top:17px;flex-wrap:wrap}.question-actions{margin-left:auto}.question-meta{width:100%;font-size:9px;gap:6px}.question-meta span:last-child{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.question-top>.icon-button{width:28px;height:28px;min-width:28px}.question-actions .compact{min-height:34px}.question-list{border-radius:10px}.pagination{font-size:10px}.pagination .compact{font-size:11px}.compose-layout{display:flex;flex-direction:column}.compose-options{width:100%;position:static;display:block;order:-1;padding:18px}.compose-options>h3{margin-bottom:16px}.compose-options .option-section{padding-top:14px;margin-top:14px}.option-section .full{width:auto;margin-right:8px;max-width:100%;font-size:11px}.option-section>select{width:auto;margin-right:10px}.paper-wrap{width:100%}.worksheet-paper{padding:28px 20px;min-height:500px}.compose-toolbar{gap:10px}.compose-toolbar select{max-width:100%;width:100%}.toolbar-end{margin-left:auto}.compose-toolbar .subtle{font-size:10px}.sheet-title{font-size:18px}.sheet-section .math-text{font-size:12px}.settings-layout{padding:0 20px}.settings-section{grid-template-columns:1fr;gap:14px;padding:25px 0}.settings-section h2{font-size:16px}.settings-section>div>p{margin-bottom:0}.settings-section .field{font-size:12px}.restore-upload{margin:10px 0 0}.category-row{align-items:start;flex-wrap:wrap}.import-columns{grid-template-columns:1fr}.original-preview iframe{height:360px}.upload-zone{padding:32px 14px}.upload-zone h2{font-size:17px}.upload-zone p{font-size:10px}.upload-actions{gap:8px}.asset-row{padding:16px 13px;gap:10px;flex-wrap:wrap}.asset-row>.secondary{margin-left:48px}.file-symbol{width:34px}.asset-info{flex-basis:calc(100% - 50px)}.asset-info h3{font-size:12px}.knowledge-item{padding:22px}.knowledge-item h2{font-size:19px}.job-row{padding:20px 15px;gap:10px}.job-title{gap:9px}.job-title time{margin:0;width:100%}.drawer-heading{padding:19px 20px}.drawer-body{padding:23px 20px}.drawer-footer{padding:15px 20px}.preview-toolbar{padding:13px 16px;gap:10px}.preview-paper{padding:30px 22px}.preview-paper h1{font-size:22px}.login{display:flex;flex-direction:column}.login-intro{padding:32px 28px}.login-intro .brand{margin:0 0 20px}.login-intro .brand>span{display:block}.login-intro h1{font-size:28px;margin:0}.login-intro>p{margin:12px 0 0;font-size:11px}.login-paper{display:none}.login-form{width:100%;max-width:100%;padding:30px 28px;margin:0}.mini-mark{display:none}.login-form h2{font-size:22px}.login-form>p{margin-bottom:22px}.toast{bottom:16px;font-size:12px;max-width:calc(100vw - 25px);width:max-content}.form-grid{gap:0 12px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.graph-editor{border-top:1px solid var(--line);margin-top:28px;padding-top:25px}.diagram-canvas{width:100%;height:auto;max-height:330px;display:block;border:1px solid #e4e9df;border-radius:6px;margin:15px 0}.graph-fields{display:flex;align-items:end;gap:10px;flex-wrap:wrap;margin:13px 0}.graph-fields label{display:grid;gap:6px;font-size:11px;width:78px}.graph-fields label.full{width:100%}.graph-fields label:last-of-type{flex:1;min-width:90px}.graph-fields input{min-width:0;width:100%;padding:8px}.graph-editor>.full{margin-top:14px}.assembly{position:relative;margin-bottom:18px}.assembly-panel{background:#fff;border:1px solid var(--line);padding:23px;margin-top:12px;border-radius:12px}.quota-table{margin-bottom:20px}.quota-table>div{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:12px;align-items:center;padding:8px 0;border-bottom:1px solid #edf1e8;font-size:12px}.quota-table>div:first-child{color:var(--muted);font-size:11px}.quota-table input{width:100%;min-width:0}.paper-create{display:flex;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);padding:20px;border-radius:12px;margin:20px 0}.paper-create input,.paper-create select{flex:1;min-width:170px}.papers-list{display:grid;gap:20px}.paper-card{border:1px solid var(--line);padding:24px;border-radius:12px;background:#fff}.paper-card .section-heading{margin-top:0}.paper-card .section-heading p{margin:10px 0 0}.paper-questions{margin-top:20px}.paper-questions button{display:flex;align-items:center;gap:15px;padding:13px 0;border:0;border-bottom:1px solid #e9eee4;background:none;text-align:left;width:100%;font-size:12px}.paper-questions button>strong{flex:1;font-size:12px;font-weight:500}.paper-questions button>span{font-size:11px;color:var(--muted);white-space:nowrap}.matching{margin-top:25px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:12px}.match-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-bottom:1px solid var(--line);padding:20px 0;font-size:12px}.match-row p{white-space:pre-wrap;max-height:250px;overflow:auto}.match-row .field{margin:0}.matching>.primary{margin-top:20px}.source-preview{white-space:pre-wrap;max-height:550px;overflow:auto;padding:18px;background:#eff3eb;border-radius:8px;font-size:12px;overflow-wrap:anywhere}.score-input{padding:3px 6px;min-height:28px;font:inherit;font-size:11px;width:65px;margin:0 5px}.sheet-question-no{font-size:11px}.sheet-item>.math-text{clear:both;padding-top:8px}@media(max-width:620px){.paper-create{padding:16px}.paper-create>*{width:100%;flex:auto!important}.paper-card{padding:18px}.match-row{grid-template-columns:1fr;gap:14px}.matching{padding:18px}.paper-questions button{gap:8px}.assembly-panel{padding:17px}.graph-editor .ocr-action{flex-wrap:wrap}}@media(max-width:620px){.filter-row select{flex:0 0 calc(50% - 4px);width:calc(50% - 4px);max-width:calc(50% - 4px)}.filter-row .year-input{flex:0 0 calc(50% - 4px);width:calc(50% - 4px)}.favorite-filter,.reset,.question-actions .compact{min-height:40px}}.question-meta{color:var(--muted);font-size:11px}.paper-placeholder{color:var(--muted)}.sheet-item-actions{opacity:1}.sheet-item-actions .icon-button:disabled{opacity:.4}.question-meta span:first-child{color:#546c50}@media(max-width:620px){.question-meta{font-size:11px}.paper-placeholder{font-size:12px}}.review-notice{padding:12px 0;color:var(--muted);font-size:13px;line-height:1.7}.review-notice p{margin:5px 0}.split-row{padding:22px 0;border-bottom:1px solid var(--line)}.split-meta{display:flex;gap:14px;align-items:center}.split-meta .field:first-child{max-width:90px}.split-meta .field:nth-child(2){flex:1;max-width:240px}.split-meta .icon-button{margin-left:auto}.review-details{margin:15px 0;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.review-details summary{cursor:pointer;padding:10px 0;color:var(--accent);line-height:1.5}.review-details pre{white-space:pre-wrap;max-height:300px;overflow:auto;color:var(--ink);font:inherit;line-height:1.8}.split-row textarea{width:100%;resize:vertical}.matching .review-actions{flex-wrap:wrap}.matching .review-actions select{max-width:100%;min-width:0;flex:1}.matching h2{overflow-wrap:anywhere}.match-row>div{min-width:0}.match-row small{line-height:1.7;display:block}.match-row select{width:100%;min-width:0}.match-row .field{margin-bottom:14px}.crop-editor{width:100%;min-width:0}.crop-editor .review-actions{flex-wrap:wrap}.crop-editor .subtle{font-size:13px;line-height:1.7}.crop-surface{position:relative;width:100%;touch-action:none;cursor:crosshair;overflow:hidden;border:1px solid var(--line)}.original-preview .crop-surface img{width:100%;max-height:none;display:block;object-fit:contain;border:0}.crop-selection{position:absolute;border:2px solid var(--accent);background:#22645c16;box-shadow:0 0 0 2500px #163c332b;pointer-events:none}.crop-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:16px}.crop-fields .field{font-size:12px;min-width:0}.crop-fields input{width:100%;min-width:0;padding:10px 6px}.original-preview>a{margin-top:18px}.review-actions .primary{white-space:normal}@media(max-width:620px){.split-meta{gap:10px}.matching .field input,.matching .field select,.matching .field textarea,.crop-editor input{font-size:16px}.crop-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.matching .review-actions{align-items:stretch}.matching .review-actions select{flex-basis:100%;width:100%}.match-row p{font-size:14px}.matching .checkbox-line{font-size:14px;line-height:1.6}.paper-card .review-actions{flex-wrap:wrap}.paper-card .review-actions button,.paper-card .review-actions a{min-height:42px}}.curve-select{margin-top:16px}.vertex-editor{padding:10px 0}.vertex-editor>div{display:flex;gap:12px;align-items:center;margin:10px 0}.vertex-editor>div>span{font-size:12px;white-space:nowrap}.vertex-editor label{display:flex;align-items:center;gap:6px;min-width:0}.vertex-editor input{width:85px;min-width:0}.graph-editor .review-actions{flex-wrap:wrap}.graph-editor small{display:block;line-height:1.8;color:var(--muted)}@media(max-width:620px){.vertex-editor>div{gap:8px}.vertex-editor input{width:65px;font-size:16px}.graph-fields label{width:calc(50% - 8px);font-size:13px}.graph-fields input,.curve-select select{font-size:16px}}.book-create,.book-section-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 12px;background:#faf9f2;border:1px solid var(--line);padding:12px;margin:12px 0}.book-create .field,.book-section-form .field{margin:0;min-width:0}.book-create .primary,.book-section-form .primary{align-self:end;justify-self:start}.book-workspace,.book-sections,.book-split-review{background:#faf9f2;border:1px solid var(--line);padding:12px;margin:14px 0}.books-page h2{font-size:14px}.book-page-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0}.book-page-tools label{display:flex;gap:6px;align-items:center;font-size:12px}.book-page-tools input{width:85px}.book-review-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:15px}.book-review-columns>div{min-width:0}.book-page-image{width:100%;height:auto;border:1px solid var(--line);display:block;margin:8px 0}.book-review-columns textarea{width:100%;max-height:700px}.book-batch-panel{border-top:1px solid var(--line);padding:10px 0;margin-top:10px}.book-batch-panel summary{cursor:pointer;padding:5px 0}.book-batch-panel>.field{max-width:200px}.book-batch-row{padding:10px 0;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.book-batch-row>span{flex:1;min-width:180px}.book-batch-row .inline-error{width:100%}.book-section-row{border-top:1px solid var(--line);padding:12px 0;display:flex;gap:12px;justify-content:space-between;align-items:center}.book-section-row>div{min-width:0}.book-section-row p{font-size:11px;color:var(--muted);margin:5px 0}.book-section-row strong{font-size:12px}.book-section-row .review-actions{flex-shrink:0}.book-split-item{border-top:1px solid var(--line);padding:12px 0}.book-split-item textarea,.book-split-review .match-row textarea{width:100%}@media(max-width:750px){.book-create,.book-section-form{grid-template-columns:repeat(2,minmax(0,1fr))}.book-review-columns{grid-template-columns:1fr}.book-section-row{display:block}.book-section-row .review-actions{margin-top:10px}}@media(max-width:620px){.book-create,.book-section-form{grid-template-columns:1fr}.book-create input,.book-create select,.book-section-form input,.book-section-form select,.book-page-tools input,.book-page-tools select,.book-review-columns textarea,.book-split-review input,.book-split-review select,.book-split-review textarea,.book-batch-panel input{font-size:16px;min-height:36px}.book-page-tools{gap:8px}.book-page-tools>.subtle{width:100%}.book-workspace,.book-sections,.book-split-review{padding:10px}.book-create .primary,.book-section-form .primary{width:100%}.book-section-row .review-actions{flex-wrap:wrap}.book-section-row .secondary{min-height:34px}.book-page-image{max-height:700px;object-fit:contain;object-position:top}.books-page .section-heading{display:block}.book-page-tools .secondary{min-height:34px}}.rule-presets,.taxonomy-form{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin:10px 0}.rule-presets select,.taxonomy-form select{min-width:140px;max-width:310px}.rule-presets input,.taxonomy-form input{min-width:140px;flex:1;max-width:320px}.rule-score{padding:7px;background:#e6efdc;font-size:12px}.assembly-panel>details,.taxonomy-panel>details{padding:9px 0;border-top:1px solid var(--line);margin-bottom:9px}.assembly-panel summary,.taxonomy-panel summary{cursor:pointer;font-size:12px;padding:4px 0}.difficulty-quota{border-bottom:1px solid var(--line);padding:9px 0}.difficulty-fields{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.difficulty-fields label{display:grid;gap:5px;font-size:11px}.difficulty-fields input{width:100%;min-width:0}.required-row{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);align-items:center}.required-row>span{flex:1;min-width:0;overflow-wrap:anywhere}.required-row label{display:flex;align-items:center;gap:4px;white-space:nowrap}.assembly-report{margin-top:12px}.taxonomy-panel{background:#faf9f2;border:1px solid var(--line);padding:12px}.taxonomy-panel .section-heading{margin-top:0}.taxonomy-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:15px 0}.taxonomy-columns h3{background:#e9e7dd;font-size:12px;padding:7px;margin-bottom:0}.taxonomy-row{display:flex;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:8px 4px}.taxonomy-row>span{flex:1;overflow-wrap:anywhere;min-width:0}.taxonomy-row small{display:block;margin-top:4px}.classification-fields{border:1px solid var(--line);padding:10px;margin:14px 0}.classification-fields h3{font-size:13px}.classification-fields fieldset{border:1px solid var(--line);margin:10px 0;padding:8px;max-height:230px;overflow:auto}.classification-fields .checkbox-line{font-size:12px;margin:5px 0}.knowledge-content-heading{font-size:14px;margin:18px 0 10px}.sheet-lock{display:inline-flex;gap:4px;align-items:center;margin:0 6px;font-size:11px;font-weight:400}@media(max-width:620px){.taxonomy-columns{grid-template-columns:1fr;gap:12px}.taxonomy-form>*,.rule-presets>*{width:100%;max-width:none!important;flex:auto!important;min-width:0!important}.taxonomy-form input,.taxonomy-form select,.rule-presets input,.rule-presets select,.assembly-panel input,.assembly-panel select{font-size:16px;min-height:36px}.taxonomy-row .text-button{min-height:34px}.difficulty-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.required-row{flex-wrap:wrap}.required-row>span{flex-basis:100%}.taxonomy-panel .section-heading{display:block}.classification-fields .checkbox-line,.assembly-panel .field{font-size:14px}}:root{font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif;font-size:12px;color:#35362f;background:#eeece4;--accent:#456b38;--accent-hover:#3f6733;--accent-soft:#dfedd5;--paper:#fcfbf6;--ink:#35362f;--muted:#68695f;--line:#d6d4c9;--subtle:#e9e7dd;--radius:3px;--shadow:0 6px 22px #272b2320}body{background:#eeece4}button,input,select,textarea{border-radius:2px;font-size:12px;min-height:27px;padding:4px 7px}button:active:not(:disabled){transform:none}.primary,.secondary{border-radius:2px;min-height:27px;font-size:12px;padding:4px 9px;gap:4px}.primary{background:#4f753e}.secondary{background:#f4f3ec;border-color:#cfcec3}.compact{min-height:24px;padding:3px 7px}.icon-button{width:26px;min-width:26px;height:26px}.text-button{font-size:12px}.field{font-size:12px;gap:5px;margin-bottom:12px}.field small,small,.subtle{font-size:11px}.sidebar{width:102px;background:#e6e3d8;border-right:1px solid #d5d1c4;padding:12px 7px}.brand{margin:0 0 18px;padding:0 5px;gap:0}.brand strong{font-family:serif;font-size:16px;color:#35362f}.brand-icon,.brand>span,.workspace-name,.quiet-note,.user-avatar{display:none}.sidebar nav{gap:3px}.sidebar nav button{border-radius:2px;padding:9px 6px;min-height:34px;font-size:12px;gap:4px}.sidebar nav button>svg{width:12px;height:12px}.sidebar nav button.active{background:#fbfaf5;border:1px solid #cbc9bd;color:#30372c;padding:8px 5px}.sidebar-bottom{padding:0}.account{padding:9px 0;gap:0;flex-wrap:wrap}.account strong{font-size:10px;overflow-wrap:anywhere}.account small{font-size:10px}.account .icon-button{margin-left:auto}.nav-count{font-size:10px;padding:0 3px}.workspace{margin-left:102px;width:calc(100% - 102px);background:#f2f0e8}.topbar{height:30px;padding:0 10px;background:#faf9f2;border-bottom:1px solid #d9d5c9}.breadcrumb{font-size:11px;gap:7px}.topbar-note{font-size:10px}.main-content{max-width:none;padding:6px 9px 10px;margin:0}.page-heading{margin:0 0 5px;min-height:27px;border:1px solid var(--line);background:#fbfaf5;padding:4px 7px;gap:8px}.page-heading h1{font-size:13px;font-weight:700;margin:0;letter-spacing:0}.page-heading p{display:none}.heading-actions{gap:5px}.heading-actions .primary,.heading-actions .secondary{min-height:23px;font-size:11px;padding:2px 6px}.heading-actions svg{width:12px;height:12px}.filter-panel{padding:5px 7px;border:1px solid var(--line);border-radius:2px;background:#f9f8f1;margin:0;display:flex;flex-direction:column;gap:5px}.search-row{gap:5px;order:1;margin:0}.search-input{border-radius:2px;min-height:27px;flex:1}.search-input input{min-height:25px;padding:3px 6px;font-size:12px}.search-input>svg{width:13px;height:13px;margin-left:7px}.segmented{border-radius:2px;padding:1px;background:#eae8df}.segmented button{font-size:11px;padding:3px 7px;min-height:23px;border-radius:1px}.filter-row{order:0;border:0;padding:0;margin:0;gap:6px;flex-wrap:wrap}.filter-row select,.filter-row .year-input{font-size:11px;min-height:25px;padding:3px 6px;flex:0 1 125px;width:125px}.favorite-filter{min-height:25px;padding:2px 4px;font-size:11px}.reset{margin-left:auto}.result-bar{height:27px;min-height:27px;margin:0;padding:3px 5px;background:#e6efdc;border:1px solid #d2dec8;border-top:0;font-size:11px}.result-bar p{font-size:11px;margin:0}.result-bar .text-button{font-size:11px}.small-count{border-radius:1px}.pagination{margin-top:5px;font-size:11px;min-height:26px}.pagination .secondary{min-height:23px}.reference-workbench{display:grid;grid-template-columns:minmax(200px,24%) minmax(280px,1fr) minmax(245px,29%);height:calc(100dvh - 218px);min-height:420px;border:1px solid var(--line);margin-top:5px;background:#f8f7f0}.reference-workbench>section,.question-properties{min-width:0;min-height:0;display:flex;flex-direction:column}.question-tree,.question-preview-pane{border-right:1px solid #cfcec3}.pane-heading{display:flex;align-items:center;justify-content:space-between;gap:5px;min-height:26px;padding:4px 6px;background:#f7f6ee;border-bottom:1px solid var(--line);font-size:11px}.pane-heading strong{font-size:12px}.pane-heading>span{font-size:10px;color:var(--muted)}.tree-scroll{flex:1;overflow:auto;padding:4px}.tree-group-heading{display:flex;align-items:center;text-align:left;width:100%;border:0;background:none;font-size:11px;font-weight:700;gap:3px;padding:5px 0}.tree-group-heading span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-item{display:flex;align-items:center;gap:3px;min-height:25px;border-bottom:1px solid #eae8de;padding:0 3px}.tree-item.active{background:#deecd2}.tree-item>button{min-width:0;flex:1;border:0;background:transparent;text-align:left;font-size:11px;padding:4px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-item input{width:12px;height:12px}.pane-status{padding:4px;font-size:10px;border-top:1px solid var(--line);color:var(--muted)}.preview-tools{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2px;padding:3px;background:#f8f7f0}.preview-tools button{background:#e7e5db;border:1px solid #dcd9ce;font-size:10px;min-height:22px;padding:2px 4px}.preview-tools span{font-size:10px;text-align:center;align-self:center}.question-stage{flex:1;background:#e5e3db;overflow:hidden;display:flex;flex-direction:column;min-height:0}.stage-caption{padding:6px;font-size:10px;line-height:1.6;color:#67685f}.stage-scroll{overflow:auto;flex:1;display:flex;align-items:safe center;flex-direction:column;justify-content:safe center;padding:6px}.question-paper{background:#fffef9;padding:16px 10px;width:100%;flex-shrink:0;line-height:1.8;overflow-wrap:anywhere;min-height:90px;font-family:Times New Roman,SimSun,serif}.paper-content .math-text{font-size:inherit;line-height:1.9}.question-paper img{max-width:100%;display:block;margin:10px auto}.question-paper .diagram-canvas{border:0}.properties-body{overflow:auto;flex:1;padding:6px;font-size:11px}.property-title{font-size:11px;line-height:1.8;display:block}.property-grid{margin:6px 0}.property-grid>div{display:flex;border-bottom:1px solid #e6e3d9;padding:4px 0;gap:6px}.property-grid dt{color:#707166;flex:0 0 44px}.property-grid dd{margin:0;overflow-wrap:anywhere}.property-actions{display:flex;flex-wrap:wrap;gap:4px;margin:7px 0}.property-actions button{background:#edeadf;border:1px solid #cfccbf;display:inline-flex;align-items:center;gap:3px;font-size:10px;min-height:24px;padding:3px 6px}.property-actions button.active{background:#dceccf}.properties-body details{border-top:1px solid #d8d5c8;margin-top:4px}.properties-body summary{cursor:pointer;background:#eeece2;padding:6px 3px;font-size:11px}.properties-body p{font-size:11px;margin:6px 0}.property-answer{padding:7px 1px}.properties-body .math-text{font-size:12px}.workbench-empty{padding:24px 12px;color:var(--muted);font-size:12px;text-align:center}.mobile-pane-tabs,.mobile-details{display:none}.upload-zone,.paper-card,.matching,.assembly-panel,.settings-section,.knowledge-card,.job-row,.paper-create{border-radius:2px;background:#faf9f2}.upload-zone{padding:25px 15px;margin-bottom:15px}.upload-zone h2{font-size:18px}.asset-row{border-radius:2px;padding:10px}.section-heading{margin:12px 0}.section-heading h2{font-size:14px}.paper-card,.matching{padding:14px}.settings-section{padding:18px;margin-bottom:12px}.worksheet-paper{box-shadow:none;border:1px solid var(--line)}.compose-toolbar{margin-bottom:8px}.compose-options{background:#f9f7f0;border:1px solid var(--line);border-radius:2px;padding:12px}.detail-drawer{background:#faf9f2}.drawer-heading{padding:13px 18px}.drawer-heading h2{font-size:15px}.drawer-body{padding:16px 18px}.drawer-footer{padding:11px 18px}.login-intro{background:#e5e2d6}.login-intro h1{font-family:serif}.login-paper{border-radius:2px;box-shadow:none}.login-form h2{font-size:22px}.login{background:#f5f3eb}.source-preview{background:#e8e6dd;border-radius:2px}.graph-editor .diagram-canvas{background:#fff}.quiet-note{display:none}*{scrollbar-color:#bab9ad #eceae1;scrollbar-width:thin}@media(min-width:1650px){.main-content{padding:6px 9px 10px}}@media(max-width:1150px)and (min-width:851px){.sidebar{width:90px;padding:10px 5px}.workspace{margin-left:90px;width:calc(100% - 90px)}.reference-workbench{grid-template-columns:23% minmax(260px,1fr) 27%}.topbar{padding:0 8px}.main-content{padding:6px}}@media(max-width:850px){.sidebar{width:160px;z-index:35;padding:15px 9px}.sidebar nav button{font-size:13px;min-height:40px}.sidebar.open{transform:translate(0)}.workspace{margin-left:0;width:100%}.topbar{height:36px;padding:0 10px}.main-content{padding:6px}.reference-workbench{grid-template-columns:190px minmax(0,1fr);height:calc(100dvh - 220px)}.question-properties{display:none}.mobile-pane-tabs{display:flex;gap:4px}.mobile-pane-tabs button{border:1px solid var(--line);background:#f0eee3;min-height:23px;font-size:11px}.mobile-pane-tabs button.active{background:#dceacb}.mobile-details.visible{display:flex;flex-direction:column;overflow:auto;flex:1}.question-stage.mobile-hidden{display:none}.filter-row select,.filter-row .year-input{flex:1 1 100px;width:100px;max-width:none}.page-heading{min-height:29px}.breadcrumb .icon-button{margin-left:0}.reference-workbench .question-preview-pane{border:0}.properties-body{font-size:13px}.properties-body p,.properties-body summary,.property-grid,.property-title{font-size:13px}}@media(max-width:620px){.topbar-note{font-size:10px}.page-heading h1{font-size:13px}.page-heading .heading-actions{gap:3px}.heading-actions .primary,.heading-actions .secondary{font-size:11px}.filter-panel{gap:5px;padding:5px}.filter-row{gap:4px}.filter-row select,.filter-row .year-input{flex:1 1 calc(33% - 4px);width:calc(33% - 4px);max-width:calc(33% - 4px);min-height:34px;font-size:16px}.search-row{flex-wrap:wrap;gap:4px}.search-input{flex:1 1 100%;width:100%}.search-input input{font-size:16px;min-height:34px}.segmented{flex:1}.segmented button{font-size:12px;min-height:30px}.search-row>.primary{min-height:32px}.result-bar{height:29px}.reference-workbench{grid-template-columns:112px minmax(0,1fr);height:calc(100dvh - 396px);min-height:320px}.tree-item{min-height:35px}.tree-item>button{font-size:11px;white-space:normal;line-height:1.5;max-height:51px}.tree-group-heading{font-size:10px}.tree-item input{width:14px;height:14px}.question-paper{font-size:14px;padding:12px 7px}.stage-caption{font-size:10px}.pane-heading{padding:4px;font-size:10px;flex-wrap:wrap}.pane-heading strong{font-size:11px}.question-tree .pane-heading .secondary{font-size:10px;padding:2px 4px}.preview-tools{grid-template-columns:1fr 1fr}.preview-tools button{min-height:27px;font-size:11px}.preview-tools span{font-size:10px}.pane-status{font-size:9px}.properties-body{padding:7px}.property-grid>div{display:block}.property-grid dt{margin-bottom:3px}.property-actions button{min-height:32px;font-size:12px}.properties-body .math-text{font-size:14px}.pagination{gap:5px}.pagination .secondary{min-height:30px}.drawer-body input,.drawer-body select,.drawer-body textarea,.login-form input{font-size:16px}.compose-options{padding:12px}.sidebar{transform:translate(-100%)}.login-intro{padding:25px}.login-intro h1{font-size:27px}.login-form{padding:25px}.paper-create{padding:12px}.settings-section{padding:14px}}@media(min-width:851px){.sidebar nav button{font-size:11px;white-space:nowrap;gap:3px}.sidebar nav button>svg{width:11px;height:11px}.sidebar nav button>span{white-space:nowrap}}.filter-row .year-input{order:0}.filter-row select[aria-label=筛选出处]{order:1}.filter-row select[aria-label=题型]{order:2}.filter-row select[aria-label=难度]{order:3}.filter-row select[aria-label=知识模块]{order:4}.filter-row select[aria-label=核心方法]{order:5}.filter-row select[aria-label=年级]{order:6}.filter-row select:not([aria-label=筛选出处]):not([aria-label=题型]):not([aria-label=难度]):not([aria-label=知识模块]):not([aria-label=核心方法]):not([aria-label=年级]){order:7}.filter-row .favorite-filter{order:8}.filter-row .reset{order:9}.login{display:flex;align-items:center;justify-content:center;min-height:100dvh;background:#e9e6dc;padding:50px 18px 25px}.login-window-title{position:absolute;left:0;top:0;right:0;height:30px;padding:7px 12px;background:#faf9f2;border-bottom:1px solid #d3d0c3;font-size:12px}.login-form{width:400px;max-width:100%;margin:0;padding:25px;background:#faf9f2;border:1px solid #d4d0c2;border-radius:2px}.login-form h2{font-size:18px;margin-bottom:10px}.login-form>p{font-size:12px;margin-bottom:20px}.login-form>small{font-size:11px}.main-content:has(.reference-workbench){height:calc(100dvh - 30px);display:flex;flex-direction:column;overflow:hidden}.main-content:has(.reference-workbench)>.page-heading,.main-content:has(.reference-workbench)>.filter-panel,.main-content:has(.reference-workbench)>.result-bar,.main-content:has(.reference-workbench)>.pagination{flex-shrink:0}.main-content>.reference-workbench{height:auto;min-height:0;flex:1}.question-preview-pane:has(.mobile-details.visible)>.preview-tools{display:none}.compose-mode{display:flex;gap:3px;margin:4px 0 7px;border-bottom:1px solid var(--line);padding-bottom:4px}.compose-mode button{border:1px solid var(--line);background:#e8e5d9;padding:5px 14px}.compose-mode button.active{background:#fdfbf3;border-bottom-color:#fdfbf3;font-weight:700}.assembly{margin-bottom:8px}.compose-toolbar{padding:5px 0;gap:7px;min-height:30px}.export-stage{border:1px solid var(--line);background:#f7f5ec}.export-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px}.export-controls label{display:flex;gap:6px;align-items:center;font-size:11px}.export-controls input{width:220px}.export-controls>span{font-size:11px;color:var(--muted);margin-right:auto}.export-viewer{background:#252622;min-height:300px;height:calc(100dvh - 355px);display:flex;align-items:center;justify-content:center}.export-viewer iframe{width:100%;height:100%;border:0;background:#252622}.export-placeholder{text-align:center;color:#e1e0d5;padding:30px}.export-placeholder strong{font-family:serif;font-size:21px}.export-placeholder p{font-size:12px;margin:14px 0 20px;color:#d5d4c7}.export-bottom{display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:8px;padding:7px}.export-log{background:#e7f1df;border:1px solid #d1dec6;padding:9px;font-size:11px;min-height:85px;overflow-wrap:anywhere}.export-log p{margin:5px 0;font-size:11px}.export-downloads{display:grid;gap:5px;align-content:start}.export-downloads a{text-align:center;font-size:11px}.mobile-details .pane-heading{min-height:29px}@media(max-width:850px){.main-content:has(.reference-workbench){height:calc(100dvh - 36px)}}@media(max-width:620px){.filter-row select,.filter-row .year-input{flex:1 1 calc(50% - 3px);width:calc(50% - 3px);max-width:calc(50% - 3px);font-size:16px}.filter-row .favorite-filter{margin-right:auto}.main-content>.reference-workbench{min-height:240px}.main-content:has(.reference-workbench){overflow:auto}.login-form{padding:23px 20px}.login-form input{font-size:16px}.export-controls{gap:8px}.export-controls label{width:100%;justify-content:space-between;font-size:13px}.export-controls label input,.export-controls label select{width:70%;font-size:16px}.export-controls>span{width:100%}.export-controls button{min-height:36px;flex:1}.export-viewer{height:390px;min-height:260px}.export-bottom{grid-template-columns:1fr}.export-downloads{grid-template-columns:1fr 1fr}.export-downloads button{min-height:36px}.export-downloads a{grid-column:1/-1}.compose-mode button{min-height:34px}.compose-toolbar{flex-wrap:wrap}.compose-toolbar select{font-size:16px;max-width:100%}}.book-catalog-panel{padding:12px;background:#faf9f2;border:1px solid var(--line);margin:12px 0}.book-catalog-panel>summary,.book-lines>summary{cursor:pointer;font-weight:600}.book-catalog-range,.book-catalog-item{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 12px;align-items:end}.book-catalog-range{margin:12px 0}.book-catalog-item{padding:10px 0;border-top:1px solid var(--line)}.book-catalog-panel input,.book-catalog-panel select{width:100%;min-width:0}.book-lines{margin:10px 0}.book-lines ol{max-height:280px;overflow:auto;padding:8px 12px 8px 42px;background:#fff;border:1px solid var(--line);font-variant-numeric:tabular-nums}.book-lines li{padding:3px 4px;white-space:pre-wrap;overflow-wrap:anywhere}.book-lines li::marker{color:var(--muted)}.book-lines li span{font-family:monospace}.book-catalog-review>.review-actions{margin-top:12px}@media(max-width:750px){.book-catalog-range,.book-catalog-item{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.book-catalog-range,.book-catalog-item{grid-template-columns:1fr}.book-catalog-panel{padding:10px}.book-catalog-panel input,.book-catalog-panel select{font-size:16px;min-height:36px}}.active-filter-summary{display:inline-block;margin-left:12px;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}.result-bar>p{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(min-width:851px){.main-content:has(.reference-workbench) .filter-panel{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:4px;padding:5px}.main-content:has(.reference-workbench) .search-row,.main-content:has(.reference-workbench) .filter-row{display:contents}.main-content:has(.reference-workbench) .filter-panel .year-input{grid-row:1;grid-column:1;width:100%;max-width:none}.main-content:has(.reference-workbench) .filter-panel select{width:100%;max-width:none;min-width:0}.main-content:has(.reference-workbench) select[aria-label=筛选出处]{grid-row:1;grid-column:2/span 2}.main-content:has(.reference-workbench) select[aria-label=题型]{grid-row:1;grid-column:4}.main-content:has(.reference-workbench) select[aria-label=难度]{grid-row:1;grid-column:5}.main-content:has(.reference-workbench) select[aria-label=年级]{grid-row:1;grid-column:6}.main-content:has(.reference-workbench) .search-input{grid-row:1;grid-column:7/span 3;width:auto;min-width:0}.main-content:has(.reference-workbench) .search-row>.primary{grid-row:1;grid-column:10}.main-content:has(.reference-workbench) .favorite-filter{grid-row:1;grid-column:11;white-space:nowrap;justify-content:center;margin:0}.main-content:has(.reference-workbench) .reset{grid-row:1;grid-column:12;white-space:nowrap}.main-content:has(.reference-workbench) select[aria-label=知识模块]{grid-row:2;grid-column:1/span 4}.main-content:has(.reference-workbench) select[aria-label=核心方法]{grid-row:2;grid-column:5/span 4}.main-content:has(.reference-workbench) .segmented{grid-row:2;grid-column:9/span 4;display:flex}.main-content:has(.reference-workbench) .segmented button{flex:1}.main-content:has(.reference-workbench) .filter-row select:not([aria-label=筛选出处]):not([aria-label=题型]):not([aria-label=难度]):not([aria-label=年级]):not([aria-label=知识模块]):not([aria-label=核心方法]){grid-column:span 3}.main-content>.reference-workbench{grid-template-columns:minmax(0,24fr) minmax(0,43fr) minmax(0,33fr)}.reference-workbench .tree-item{min-height:22px}.reference-workbench .tree-item>button{font-size:11px;line-height:1.5;padding-block:2px}.reference-workbench .pane-heading{min-height:26px}.reference-workbench .properties-body{font-size:11px}.reference-workbench .property-grid>div{padding-block:3px}}@media(max-width:850px){.active-filter-summary{display:none}}@media(max-width:620px){.question-paper{font-size:inherit}}.export-preview-heading{display:flex;justify-content:space-between;gap:8px;padding:5px 8px;background:#e8e5d9;border-block:1px solid var(--line);font-size:11px}.export-preview-heading span{color:var(--muted)}.export-log ol{margin:8px 0;padding:0;list-style:none;max-height:110px;overflow:auto}.export-log li{display:flex;gap:10px;margin:4px 0;align-items:baseline}.export-log time{flex-shrink:0;font-variant-numeric:tabular-nums}.export-log li span{overflow-wrap:anywhere}.export-stage .export-viewer{height:calc(100dvh - 390px);min-height:320px}.export-controls input{min-width:0;text-overflow:ellipsis}.export-downloads button{white-space:normal}@media(max-width:620px){.export-preview-heading{flex-wrap:wrap}.export-stage .export-viewer{height:420px;min-height:260px}.export-log li{gap:7px}.export-log p{font-size:12px}.export-downloads button{font-size:13px}.export-controls>span{overflow-wrap:anywhere}}.question-editor{width:min(920px,96vw);max-width:100%;background:#faf9f2}.question-editor .drawer-heading{background:#e8e5d9;min-height:42px;gap:12px}.editor-save-state{margin-left:auto;color:var(--muted);font-size:11px}.editor-section-nav{display:flex;flex-wrap:wrap;gap:4px;padding:7px 12px;border-bottom:1px solid var(--line);background:#f2f0e8;flex-shrink:0}.editor-section-nav button{padding:5px 12px;background:#faf9f2;border:1px solid var(--line);font-size:12px}.question-editor .drawer-body{padding:0 18px 18px;overscroll-behavior:contain}.editor-section{padding:16px 0;border-bottom:1px solid var(--line);scroll-margin-top:10px}.editor-section>h3{font-size:14px;margin:0 0 12px}.question-editor .editor-preview{background:#fffef9;border:1px solid var(--line);padding:12px;margin:10px 0}.question-editor .drawer-footer{background:#f2f0e8;min-height:52px}.question-editor .drawer-footer>span{margin-right:auto}.question-editor textarea{resize:vertical;min-height:65px}.question-editor .asset-chip{border-bottom:1px solid var(--line)}@media(max-width:620px){.question-editor{width:100vw}.question-editor .drawer-body{padding:0 12px 12px}.editor-section-nav{display:grid;grid-template-columns:1fr 1fr}.editor-section-nav button{min-height:36px;padding:5px}.question-editor .drawer-heading{gap:6px;padding:10px}.editor-save-state{font-size:10px}.question-editor .drawer-footer{padding:9px}.question-editor .drawer-footer>span{font-size:10px}.question-editor .drawer-footer button{min-height:36px}.question-editor .form-grid{grid-template-columns:1fr 1fr}}.save-fields{border:0;margin:0;min-width:0;min-inline-size:0}.books-page.save-fields,.compose-save-fields{padding:0;width:100%}:root{--ui-panel:#faf9f2;--ui-canvas:#f2f0e8;--ui-line:#d6d4c9;--ui-ink:#35362f;--ui-muted:#68695f;--ui-action:#4f753e;--ui-action-hover:#3f6733;--ui-selected:#deecd2;--ui-error:#8c342b;--ui-radius:2px;--ui-gap:8px;--ui-field-height:28px}.app-shell{color:var(--ui-ink)}button,input,select,textarea{border-radius:var(--ui-radius);font:inherit;accent-color:var(--ui-action)}input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]),select,textarea{border-color:var(--ui-line);color:var(--ui-ink);background:#fff;min-width:0}input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]),select{min-height:var(--ui-field-height)}textarea{line-height:1.65;resize:vertical}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--ui-action);outline-offset:2px}.primary{background:var(--ui-action);border:1px solid var(--ui-action);color:#fff;box-shadow:none}.primary:hover:not(:disabled){background:var(--ui-action-hover)}.secondary{background:var(--ui-panel);border:1px solid var(--ui-line);color:var(--ui-ink);box-shadow:none}.secondary:hover:not(:disabled){background:var(--ui-selected)}button:disabled,.primary:has(input:disabled),.secondary:has(input:disabled){opacity:.55;cursor:not-allowed}.field{gap:5px}.field>small,.subtle{color:var(--ui-muted)}.section-heading{gap:8px;min-width:0;flex-wrap:wrap}.section-heading h2,.settings-section h2,.import-review h2{font-size:14px;line-height:1.5;margin:0}.upload-zone,.settings-section,.knowledge-item,.paper-card,.paper-create,.assembly-panel,.taxonomy-panel,.import-review,.compose-options,.book-workspace,.book-sections,.book-catalog-panel{background:var(--ui-panel);border:1px solid var(--ui-line);border-radius:var(--ui-radius);box-shadow:none}.upload-zone{text-align:left;padding:14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.upload-zone>svg{width:22px;height:22px;color:var(--ui-muted)}.upload-zone h2{font-size:15px;margin:0}.upload-zone>p{font-size:12px;margin:0;flex:1 1 250px}.upload-actions{gap:6px;margin:0;flex-wrap:wrap}.asset-list,.jobs-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--ui-line);background:var(--ui-panel)}.asset-row,.job-row{border:0;border-bottom:1px solid var(--ui-line);border-radius:0;box-shadow:none;background:var(--ui-panel);padding:10px 12px;gap:10px;min-width:0}.asset-row:last-child,.job-row:last-child{border-bottom:0}.asset-info,.job-content{min-width:0}.asset-info h3,.job-title h3{font-size:12px;overflow-wrap:anywhere;margin:0}.asset-info p{font-size:11px;margin:4px 0}.file-symbol{background:transparent;color:var(--ui-muted);border-radius:0;width:30px;height:32px;flex-shrink:0}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.knowledge-item{padding:12px;min-width:0}.knowledge-item h3{font-size:14px}.knowledge-actions,.review-actions,.job-actions{display:flex;flex-wrap:wrap;gap:6px}.knowledge-content-heading{border-bottom:1px solid var(--ui-line);padding-bottom:6px}.settings-layout{gap:12px;align-items:start}.settings-section{padding:14px;min-width:0}.settings-section>h3{font-size:13px}.settings-section p{font-size:12px;line-height:1.65}.category-row{border-radius:0;border-color:var(--ui-line);box-shadow:none;background:transparent;flex-wrap:wrap;gap:6px}.paper-create{padding:12px;gap:8px}.paper-card{padding:12px;min-width:0}.paper-card h3{font-size:14px}.paper-card p,.review-notice{font-size:12px;line-height:1.65}.split-row,.match-row{border-radius:0;box-shadow:none;border-color:var(--ui-line);padding:10px 0}.split-meta,.review-details{gap:8px;min-width:0}.assembly-panel,.taxonomy-panel{padding:12px}.assembly-panel h3,.taxonomy-panel h3{font-size:14px}.rule-presets,.taxonomy-form,.required-row{gap:6px}.assembly-panel details,.taxonomy-panel details{border-top:1px solid var(--ui-line);padding:9px 0}.assembly-panel summary,.taxonomy-panel summary{cursor:pointer;font-weight:600}.required-row,.taxonomy-row{border-color:var(--ui-line);min-width:0}.taxonomy-row>span{min-width:0;overflow-wrap:anywhere}.compose-layout{gap:12px}.compose-options{padding:12px;min-width:0}.compose-options h3{font-size:14px}.option-section{border-color:var(--ui-line)}.paper-placeholder{font-size:12px;color:var(--ui-muted);padding:18px}.worksheet-paper{border-radius:0;box-shadow:none}.sheet-section{border-color:var(--ui-line)}.inline-error{color:var(--ui-error);background:transparent;border:1px solid var(--ui-line);border-radius:var(--ui-radius);padding:8px 10px;overflow-wrap:anywhere}.empty{border:1px solid var(--ui-line);border-radius:var(--ui-radius);background:var(--ui-panel);box-shadow:none;padding:28px 16px}.empty>svg{width:24px;height:24px;color:var(--ui-muted)}.empty h3{font-size:14px}.empty p{font-size:12px;line-height:1.65}.detail-drawer,.preview-paper{background:var(--ui-panel);color:var(--ui-ink)}.drawer-heading,.drawer-footer{background:var(--ui-canvas);border-color:var(--ui-line)}.drawer-heading h2{font-size:16px}.detail-drawer .editor-preview{border-radius:var(--ui-radius);border-color:var(--ui-line);box-shadow:none}.toast{border-radius:var(--ui-radius);border:1px solid var(--ui-line);color:var(--ui-ink);background:var(--ui-panel);box-shadow:0 4px 14px #35362f20}.toast.error{color:var(--ui-error)}.knowledge-grid{background:transparent;border:0;border-radius:0;overflow:visible}.knowledge-grid>.knowledge-item{border:1px solid var(--ui-line);border-radius:var(--ui-radius)}.knowledge-item h2{font-family:inherit;font-size:14px;font-weight:600;margin:12px 0}.grade-tag{background:var(--ui-selected);color:var(--ui-ink);border-radius:var(--ui-radius)}.settings-layout{background:transparent;border:0;border-radius:0;padding:0}.settings-layout>.settings-section{border:1px solid var(--ui-line);grid-template-columns:minmax(0,.8fr) minmax(0,1fr)}.settings-section>div,.settings-section>form,.form-grid>*{min-width:0;max-width:100%}.settings-section .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:850px){.settings-layout>.settings-section{grid-template-columns:minmax(0,1fr)}}@media(max-width:620px){.main-content input,.main-content select,.main-content textarea{font-size:16px}.settings-layout>.settings-section{padding:12px}.settings-section .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.main-content .primary,.main-content .secondary{min-height:36px}}@media(max-width:850px){.settings-layout,.compose-layout,.knowledge-grid{grid-template-columns:1fr}.settings-section,.compose-options{padding:12px}}@media(max-width:620px){:root{--ui-field-height:36px}.drawer-body input,.drawer-body select,.drawer-body textarea,.settings-section input,.settings-section select,.paper-create input,.paper-create select,.assembly-panel input,.assembly-panel select,.taxonomy-panel input,.taxonomy-panel select,.import-review textarea{font-size:16px}.asset-row{flex-wrap:wrap;padding:10px}.asset-info{flex:1;min-width:160px}.asset-row>button{margin-left:auto}.upload-zone{padding:12px;gap:8px}.upload-actions{width:100%}.upload-actions>label{flex:1;justify-content:center;min-height:36px}.job-title{flex-wrap:wrap}.job-title time{font-size:11px}.paper-create,.taxonomy-form,.rule-presets{display:grid;grid-template-columns:1fr}.paper-create>*{min-width:0;max-width:100%}.form-grid{grid-template-columns:1fr 1fr}.category-row>button{min-height:32px}.split-meta{grid-template-columns:1fr 1fr}.drawer-footer button{min-height:36px}.section-heading h2{font-size:14px}}.assembly-panel.save-fields{padding:12px;width:100%}.assembly-sections{min-width:0}.assembly-section{border-top:1px solid var(--ui-line);padding:var(--ui-gap) 0}.assembly-section .review-actions{flex-wrap:wrap}.assembly-section .form-grid{gap:var(--ui-gap)}.assembly-section .field{min-width:0}.assembly-section input,.assembly-section select{max-width:100%}.reference-basic{border:1px solid var(--ui-line);padding:4px;margin:0 0 4px;min-width:0}.reference-basic legend{font-size:11px;padding:0 4px}.reference-properties>p{margin:0 0 3px}.reference-properties .property-title{font-size:11px;margin:0;overflow-wrap:anywhere}.reference-properties .reference-basic p{margin:3px 0;font-size:11px;line-height:1.45;overflow-wrap:anywhere}.reference-properties details{margin:3px 0;border:1px solid var(--ui-line)}.reference-properties summary{display:flex;align-items:center;gap:5px;padding:3px 5px;background:var(--ui-canvas);font-size:11px;cursor:pointer}.reference-properties summary>svg{flex-shrink:0}.reference-properties details[open]>summary>svg{transform:rotate(90deg)}.reference-properties summary>span:last-child{margin-left:auto;color:var(--ui-muted);text-align:right;overflow-wrap:anywhere}.reference-properties details>p,.reference-properties details>.property-answer,.reference-properties details>.math-text{padding:5px;margin:0}.reference-properties .property-actions{gap:3px;margin:4px 0}.reference-properties .property-actions button{font-size:11px;padding:3px 5px;min-height:24px}.custom-filter-details{min-width:0}.custom-filter-details summary{cursor:pointer;font-size:11px;padding:4px}.custom-filter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:4px;padding:4px}.custom-filter-grid select{min-width:0;width:100%}@media(min-width:851px){.app-shell:has(.reference-workbench) .topbar{display:none}.main-content:has(.reference-workbench) .page-heading{min-height:25px;padding:2px 5px}.main-content:has(.reference-workbench) .page-heading .primary,.main-content:has(.reference-workbench) .page-heading .secondary{min-height:24px;padding:2px 6px}.main-content:has(.reference-workbench) .search-row>.reference-search{grid-row:1;grid-column:10;justify-self:start;min-width:0}.main-content:has(.reference-workbench) .custom-filter-details{grid-column:1/-1}.main-content:has(.reference-workbench) .custom-filter-grid select{grid-row:auto;grid-column:auto}.main-content:has(.reference-workbench) .reference-workbench{height:calc(100dvh - 178px)}}@media(max-width:620px){.custom-filter-details{width:100%;flex:1 1 100%}.reference-properties .property-actions button{min-height:36px}.reference-properties summary{font-size:12px;min-height:32px}.reference-properties .reference-basic p{font-size:12px}.constraint-tools .form-grid{grid-template-columns:1fr}.solid-edge{flex-wrap:wrap}}.constraint-tools,.solid-editor{border-top:1px solid var(--ui-line);margin-top:var(--ui-gap);padding-top:var(--ui-gap)}.constraint-tools summary,.solid-editor summary{cursor:pointer;font-weight:600}.solid-edge{display:flex;align-items:center;gap:var(--ui-gap);margin:4px 0}.solid-edge select{width:64px}.solid-editor .vertex-editor>div{flex-wrap:wrap}.solid-editor .graph-fields label:last-of-type{flex:0}.constraint-tools ul{padding-left:18px}.graph-editor .diagram-canvas{border-color:var(--ui-line);border-radius:var(--ui-radius)}.reference-delete-row{display:flex;justify-content:flex-end;margin-top:4px}.reference-properties .reference-delete{color:var(--ui-error);border-color:var(--ui-error);font-size:11px;padding:3px 6px}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}