*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;box-shadow:0 4px 12px #00000026}.login-card .ant-card-head-title{text-align:center;font-size:20px;font-weight:600}.portal-selection-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:40px 20px}.portal-selection-header{text-align:center;color:#fff;margin-bottom:60px}.portal-selection-header h1{font-size:36px;font-weight:600;margin-bottom:16px;color:#fff}.portal-selection-header .user-info{font-size:16px;margin-bottom:8px;color:#ffffffe6}.portal-selection-header .subtitle{font-size:18px;color:#fffc;margin-top:16px}.portal-cards{max-width:1200px;margin:0 auto}.portal-card{text-align:center;border-radius:12px;box-shadow:0 4px 12px #0000001a;transition:all .3s ease;height:100%;min-height:280px;display:flex;flex-direction:column;justify-content:space-between}.portal-card-available{cursor:pointer;border:2px solid transparent}.portal-card-available:hover{transform:translateY(-8px);box-shadow:0 8px 24px #00000026;border-color:#1890ff}.portal-card-developing{cursor:pointer;opacity:.85;border:2px solid #faad14}.portal-card-developing:hover{transform:translateY(-4px);box-shadow:0 6px 16px #0000001f}.portal-card-unavailable{cursor:not-allowed;opacity:.5;background-color:#f5f5f5}.portal-card-disabled{cursor:not-allowed;opacity:.6;background-color:#f5f5f5;border:1px solid #d9d9d9}.portal-icon{font-size:64px;margin-bottom:16px;line-height:1}.portal-name{font-size:24px;font-weight:600;margin-bottom:12px;color:#262626}.portal-description{font-size:14px;color:#8c8c8c;margin-bottom:16px;min-height:40px}.portal-status{margin-top:auto;padding-top:16px}.no-portals{text-align:center;color:#fff;font-size:18px;margin-top:60px}.no-portals p{margin-bottom:12px;color:#ffffffe6}@media(max-width:768px){.portal-selection-header h1{font-size:28px}.portal-selection-header .subtitle{font-size:16px}.portal-card{min-height:240px}.portal-icon{font-size:48px}.portal-name{font-size:20px}}.knowledge-tree-container{padding:24px;max-width:1200px;margin:0 auto}.knowledge-tree-header{margin-bottom:24px}.knowledge-tree-header h2{margin-bottom:8px}.knowledge-tree-header p{margin-bottom:0;color:#000000a6}.knowledge-tree-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px 0;margin-bottom:0;background:#fafafa;border-bottom:1px solid #f0f0f0;gap:16px;flex-shrink:0;flex-wrap:wrap}.header-path{flex:1;font-size:16px;font-weight:500;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.header-actions{display:flex;gap:8px;flex-shrink:0;align-items:center}.header-selection-counter{display:flex;align-items:center;gap:8px;padding:4px 12px;background:#e6f7ff;border:1px solid #91d5ff;border-radius:4px;font-size:14px;color:#0050b3;margin-right:8px}.header-selection-counter span{font-weight:500}.header-selection-counter .ant-btn-link{padding:0;height:auto;color:#1890ff}.header-selection-counter .ant-btn-link:hover{color:#40a9ff}@media(max-width:768px){.knowledge-tree-header{flex-direction:column;align-items:stretch;gap:12px}.header-path{font-size:14px;white-space:normal;word-break:break-word}.header-actions{justify-content:flex-end}}.header-prerequisites{display:flex;align-items:center;gap:8px;width:100%;padding:8px 0 10px;height:36px;overflow:hidden;flex-wrap:nowrap}.prereq-placeholder{font-size:13px}.prereq-label{font-size:13px;color:#666;white-space:nowrap;flex-shrink:0}.prereq-empty{font-size:13px;color:#999}.prereq-tags{display:flex;flex-wrap:nowrap;gap:4px;overflow:hidden}.prereq-tag{display:inline-flex;align-items:center;gap:4px;font-size:12px}.prereq-tag .prereq-delete-icon{color:#999;font-size:12px;margin-left:2px;transition:color .2s}.prereq-tag:hover .prereq-delete-icon{color:#ff4d4f}.prereq-node-highlight{color:#1677ff;font-weight:600}.prereq-mode-actions{display:flex;gap:8px;margin-left:auto;flex-shrink:0;align-items:center}.prereq-mode-hint{font-size:13px;color:#333;white-space:nowrap}.prereq-hint-placeholder{font-size:14px}.context-menu{position:fixed;background:#fff;border:1px solid #d9d9d9;border-radius:4px;box-shadow:0 2px 8px #00000026;padding:4px 0;min-width:200px;z-index:1000;-webkit-user-select:none;user-select:none}.context-menu-item{display:flex;align-items:center;padding:8px 16px;cursor:pointer;transition:background .2s;font-size:14px;color:#333;gap:8px}.context-menu-item:hover{background:#f5f5f5}.context-menu-item:focus{outline:none;background:#e6f7ff}.context-menu-icon{font-size:14px;color:#666;flex-shrink:0}.context-menu-item:hover .context-menu-icon{color:#1890ff}.context-menu-shortcut{margin-left:auto;font-size:12px;color:#999;flex-shrink:0}.context-menu-divider{height:1px;background:#f0f0f0;margin:4px 0}.context-menu-item-danger{color:#ff4d4f}.context-menu-item-danger:hover{background:#fff1f0}.context-menu-item-danger .context-menu-icon,.context-menu-item-danger:hover .context-menu-icon{color:#ff4d4f}.knowledge-tree-list{display:flex;flex-direction:column;height:calc(100vh - 112px);background:#fff;border-radius:8px;overflow:hidden}.knowledge-tree-content{display:flex;flex:1;overflow:hidden;padding:4px;min-height:0}.knowledge-tree-content>.ant-spin-nested-loading{flex:1;min-width:0;min-height:0;height:100%}.knowledge-tree-content .ant-spin-container{height:100%;display:flex;min-height:0}.columns-container{display:flex;flex:1;overflow-x:auto;overflow-y:hidden;min-height:0;height:100%;width:100%}.columns-container>.column,.columns-container>.difficulty-column{margin-right:4px}.columns-container>.column:last-child,.columns-container>.difficulty-column:last-child{margin-right:0}.column{position:relative;flex:0 0 auto;min-width:150px;border:1px solid #f0f0f0;border-radius:4px;display:flex;flex-direction:column;background:#fff;overflow:hidden;min-height:0}.column-resize-handle{position:absolute;top:0;right:-2px;width:4px;height:100%;cursor:col-resize;z-index:10}.column-resize-handle:before{content:"";position:absolute;top:0;bottom:0;left:1px;border-left:1px solid rgba(0,0,0,.08)}.column-resize-handle:hover{background:#0000000a}.column-header{padding:6px 12px;background:#fafafa;border-bottom:1px solid #f0f0f0;font-weight:600;font-size:14px;color:#333;flex-shrink:0;display:flex;align-items:center;justify-content:space-between}.column-header-label{flex:1}.column-header-label.level-last{color:#7c3aed;font-weight:600}.column-add-button{padding:0 4px;height:24px;min-width:24px;color:#1890ff}.column-add-button:hover:not(:disabled){color:#40a9ff;background:#e6f7ff}.column-add-button:disabled{color:#d9d9d9;cursor:not-allowed}.column-content{flex:1;overflow-y:auto;overflow-x:hidden;min-height:0;display:flex;flex-direction:column}.column-nodes-list{flex:0 0 auto}.column-content::-webkit-scrollbar{width:6px}.column-content::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}.column-content::-webkit-scrollbar-thumb:hover{background:#bfbfbf}.node-item{padding:4px 8px;cursor:pointer;margin-bottom:2px;transition:all .2s;display:flex;align-items:center;gap:8px;min-height:28px;background:#fff}.node-item.temp-node{background:#f0f5ff;border:1px dashed #adc6ff;opacity:.75}.node-item.temp-node .node-item-name{font-style:italic;color:#597ef7}.node-required-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;cursor:pointer;transition:all .2s;margin-left:-4px}.node-required-dot.required{background:#52c41a;box-shadow:0 0 4px #52c41a66}.node-required-dot.not-required{background:#d9d9d9;border:1px solid #bfbfbf}.node-required-dot:hover{transform:scale(1.3)}.node-required-dot.required:hover{background:#73d13d}.node-required-dot.not-required:hover{background:#bfbfbf}.node-item:hover{background:#f5f5f5}.node-item.selected{background:#e6f7ff}.node-item.multi-selected{background:#bae7ff;border:1px solid #40a9ff;padding:3px 7px}.node-item.multi-selected:hover{background:#91d5ff}.node-item.multi-selected .node-item-number{background:#40a9ff;color:#fff;font-weight:500}.node-item.multi-selected .node-item-name{color:#0050b3;font-weight:500}.node-item.selected.multi-selected{background:#91d5ff;border:2px solid #1890ff;padding:2px 6px}.node-item.editing{background:#fff;border:1px solid #1890ff;box-shadow:0 0 4px #1890ff4d;padding:3px 7px}.node-item.editing:hover{background:#fff}.node-item-number{width:13px;flex-shrink:0;text-align:center;font-size:11px;color:#666;background:#f0f0f0;margin-left:-8px;padding:2px 0;border-right:1px solid #e0e0e0}.node-item.selected .node-item-number{background:#1890ff;color:#fff;font-weight:500}.node-item-content{flex:1;min-width:0}.node-item-name{font-size:14px;color:#333;line-height:1.5;word-break:break-word;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.node-item.selected .node-item-name{color:#1890ff;font-weight:500}.node-item-input{flex:1;border:none;outline:none;font-size:14px;color:#333;background:transparent;padding:0;line-height:1.5;width:100%}.node-item-input:focus{outline:none}.node-item[draggable=true]{cursor:move}.node-item.dragging{opacity:.5;cursor:move}.drop-indicator{height:2px;background:#1890ff;margin:2px 0;animation:pulse .5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.column-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;color:#999;flex:1}.column-empty-icon{font-size:48px;color:#d9d9d9;margin-bottom:12px}.column-empty-text{font-size:14px}.difficulty-column{width:36px;min-width:36px;max-width:36px;flex-shrink:0;border:1px solid #f0f0f0;border-left:none;border-radius:0 4px 4px 0;margin-left:-4px;display:flex;flex-direction:column;background:#fff;overflow:hidden;min-height:0}.difficulty-column-header{padding:6px 2px;background:#fafafa;border-bottom:1px solid #f0f0f0;font-weight:600;font-size:11px;color:#333;flex-shrink:0;text-align:center;white-space:nowrap;overflow:hidden;display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:36px}.difficulty-column-content{flex:1;overflow-y:auto;overflow-x:hidden;min-height:0}.difficulty-column-content::-webkit-scrollbar{width:0}.difficulty-cell{min-height:30px;padding:4px 0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;cursor:ns-resize;-webkit-user-select:none;user-select:none;transition:all .15s;margin-bottom:2px}.difficulty-cell:hover{background:#f0f0f0}.difficulty-cell[data-difficulty="1"]{color:#52c41a}.difficulty-cell[data-difficulty="2"]{color:#1890ff}.difficulty-cell[data-difficulty="3"]{color:#faad14}.difficulty-cell[data-difficulty="4"]{color:#fa8c16}.difficulty-cell[data-difficulty="5"]{color:#f5222d}.difficulty-cell[data-difficulty="0"]{color:#d9d9d9}@media(min-width:1920px){.column{min-width:200px}}@media(min-width:1200px)and (max-width:1919px){.column{min-width:150px}}@media(min-width:768px)and (max-width:1199px){.columns-container{overflow-x:auto;overflow-y:hidden}.column{min-width:200px;flex-shrink:0}}@media(max-width:767px){.knowledge-tree-list{height:calc(100vh - 100px)}.columns-container{overflow-x:auto;overflow-y:hidden}.columns-container>.column,.columns-container>.difficulty-column{margin-right:8px}.columns-container>.column:last-child,.columns-container>.difficulty-column:last-child{margin-right:0}.column{min-width:45%;flex-shrink:0}.column-header{font-size:13px;padding:8px 10px}.node-item{padding:6px 10px;min-height:32px}.node-item-name{font-size:13px}.node-item-number{font-size:10px;width:16px}}@media(max-width:480px){.column{min-width:80%}.node-item{padding:8px 12px;min-height:36px}.node-item-name{font-size:14px}}.node-item.path-highlight{background:#f0f7ff}.node-item.path-highlight:hover{background:#e1efff}.node-item.path-highlight .node-item-name{color:#1890ff}.knowledge-tree-list.prerequisite-mode .columns-container{outline:2px dashed #ffa940;outline-offset:-2px;border-radius:4px}.knowledge-tree-list.prerequisite-mode .node-item:hover{background:#fff7e6;cursor:crosshair}.knowledge-tree-publish{padding:24px}.knowledge-tree-publish .ant-table{background:#fff}.publish-overlay{position:fixed;inset:0;background:#0000008c;z-index:1100;display:flex;align-items:center;justify-content:center}.publish-progress-card{background:#fff;border-radius:12px;padding:48px 64px;text-align:center;box-shadow:0 8px 32px #0003;min-width:360px;max-width:480px}.publish-progress-title{margin-top:24px;font-size:18px;font-weight:500;color:#333}.publish-progress-elapsed{margin-top:8px;font-size:14px;color:#999}.publish-progress-card .ant-result{padding:0}.publish-progress-card .ant-result-title{font-size:20px}.publish-progress-card .ant-result-subtitle{font-size:14px}.knowledge-tree-permissions{padding:24px}.knowledge-tree-permissions .ant-table{background:#fff}.knowledge-tree-permissions .ant-tag-checkable{cursor:pointer;-webkit-user-select:none;user-select:none}.knowledge-tree-permissions .ant-tag-checkable-checked{background-color:#1890ff;color:#fff}@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:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;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}.zujuan-recorder-page{padding:24px;min-height:100%;background:#f5f5f5}.zujuan-recorder-page .main-card{border-radius:12px;box-shadow:0 2px 12px #00000014}.step-content{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.recorder-layout{display:flex;gap:20px;height:600px}.recorder-panel{width:380px;flex-shrink:0;background:#fafafa;border:1px solid #f0f0f0;border-radius:8px;padding:16px;overflow-y:auto}.recorder-iframe{flex:1;position:relative;border:2px solid #d9d9d9;border-radius:8px;overflow:hidden;background:#fff}.recorder-iframe-el{width:100%;height:100%;border:none;min-height:600px}.iframe-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#ffffffe6;z-index:1}.recorded-list{background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:12px}@media(max-width:1200px){.recorder-layout{flex-direction:column;height:auto}.recorder-panel{width:100%;max-height:400px}.recorder-iframe{height:500px}}.question-bank-container{padding:24px;background:#f0f2f5;min-height:calc(100vh - 64px)}.question-bank-container .ant-tabs{background:#fff;padding:16px;border-radius:8px}.question-bank-container .ant-card{border-radius:8px;box-shadow:0 1px 2px #00000008,0 1px 6px -1px #00000005,0 2px 4px #00000005}.research-resources-container{padding:24px;max-width:1200px;margin:0 auto}.research-resources-header{margin-bottom:24px}.research-resources-header h2{margin-bottom:8px}.research-resources-header p{margin-bottom:0;color:#000000a6}.management-layout{min-height:100vh}.management-header{background:#fff;padding:0;box-shadow:0 2px 8px #0000001a;position:sticky;top:0;z-index:100}.management-header-content{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 24px}.management-logo{display:flex;align-items:center;gap:8px;flex-shrink:0}.management-logo .logo-img{width:32px;height:32px}.management-logo h2{margin:0;font-size:20px;font-weight:600;color:#1890ff}.management-tabs{flex:1;display:flex;justify-content:center;margin:0 40px}.management-tabs .ant-tabs{height:64px}.management-tabs .ant-tabs-nav{margin:0;height:64px}.management-tabs .ant-tabs-tab{padding:20px 24px;font-size:16px}.management-user-menu{flex-shrink:0}.management-content{padding:24px;background:#f0f2f5;min-height:calc(100vh - 64px)}@media(max-width:768px){.management-header-content{padding:0 16px}.management-logo h2{font-size:16px}.management-tabs{margin:0 20px}.management-tabs .ant-tabs-tab{padding:20px 16px;font-size:14px}.management-content{padding:16px}}@media(max-width:576px){.management-logo h2{display:none}.management-tabs{margin:0 10px}.management-tabs .ant-tabs-tab{padding:20px 12px;font-size:13px}}.research-layout{min-height:100vh}.research-header{background:#fff;padding:0;box-shadow:0 2px 8px #0000000f;position:sticky;top:0;z-index:100;line-height:normal}.research-header-content{display:flex;align-items:center;height:64px;padding:0 24px}.research-logo{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-right:32px}.research-logo .logo-img{width:32px;height:32px}.research-logo h2{margin:0;font-size:20px;font-weight:600;color:#1890ff;white-space:nowrap}.research-nav{flex:1;overflow:hidden}.research-nav .ant-tabs-nav{margin-bottom:0}.research-user-menu{flex-shrink:0;margin-left:24px}.research-content{padding:24px;min-height:calc(100vh - 64px);background:#f0f2f5}@media(max-width:1200px){.research-header-content{padding:0 16px}.research-logo h2{font-size:16px}}@media(max-width:768px){.research-logo h2{display:none}}.teacher-layout{min-height:100vh}.teacher-header{background:#fff;padding:0;box-shadow:0 2px 8px #0000001a;position:sticky;top:0;z-index:100;line-height:normal}.teacher-header-content{display:flex;align-items:center;height:64px;padding:0 24px}.teacher-logo{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-right:32px}.teacher-logo .logo-img{width:32px;height:32px}.teacher-logo h2{margin:0;font-size:20px;font-weight:600;color:#faad14;white-space:nowrap}.teacher-nav{flex:1;overflow:hidden}.teacher-nav .ant-tabs-nav{margin-bottom:0}.teacher-nav .ant-tabs-tab:nth-of-type(3):before,.teacher-nav .ant-tabs-tab:nth-of-type(7):before,.teacher-nav .ant-tabs-tab:nth-of-type(9):before,.teacher-nav .ant-tabs-tab:nth-of-type(11):before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);height:16px;width:1px;background:#d9d9d9}.teacher-user-menu{flex-shrink:0;margin-left:24px}.teacher-content{padding:24px;background:#f0f2f5;min-height:calc(100vh - 64px)}.users-page{padding:0}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h2{margin:0;font-size:20px;font-weight:600}.audit-logs-page{padding:0}.search-card .ant-card-body{padding-bottom:0}.search-card .ant-form-inline .ant-form-item{margin-bottom:16px}.attendance-management-page,.profile-page{padding:0}.ai-assistant-page{padding:24px;max-width:1200px;margin:0 auto}.form-section{flex:1;background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 8px #0000001a}.result-section{flex:2;background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 8px #0000001a}.result-section h3{font-size:16px;font-weight:600;margin-bottom:16px}.outline-content{background:#f5f5f5;padding:16px;border-radius:4px;max-height:600px;overflow-y:auto}.outline-content pre{white-space:pre-wrap;word-wrap:break-word;font-family:inherit;margin:0;line-height:1.6}.questions-list{display:flex;flex-direction:column;gap:16px}.question-item{border:1px solid #e0e0e0;border-radius:4px;padding:16px}.question-header{display:flex;gap:12px;margin-bottom:12px;font-size:12px}.question-number{font-weight:600;color:#1890ff}.question-type{padding:2px 8px;background:#e6f7ff;color:#1890ff;border-radius:2px}.difficulty{padding:2px 8px;background:#fff7e6;color:#fa8c16;border-radius:2px}.question-content{font-size:14px;line-height:1.6}.prediction-page{padding:24px;max-width:1400px;margin:0 auto}.page-header h1{font-size:24px;font-weight:600;margin-bottom:8px}.page-header p{color:#666;font-size:14px}.tabs{display:flex;gap:8px;margin-bottom:24px;border-bottom:1px solid #e0e0e0}.tabs button{padding:12px 24px;border:none;background:none;cursor:pointer;font-size:14px;color:#666;border-bottom:2px solid transparent;transition:all .3s}.tabs button:hover{color:#1890ff}.tabs button.active{color:#1890ff;border-bottom-color:#1890ff}.tab-content{display:flex;gap:24px}.form-section{flex:0 0 300px;background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 8px #0000001a;height:fit-content}.form-section h2{font-size:18px;font-weight:600;margin-bottom:16px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:8px;font-size:14px;font-weight:500}.form-group input,.form-group textarea{width:100%;padding:8px 12px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#1890ff}.form-section button{width:100%;padding:10px;background:#1890ff;color:#fff;border:none;border-radius:4px;font-size:14px;cursor:pointer;transition:background .3s}.form-section button:hover:not(:disabled){background:#40a9ff}.form-section button:disabled{background:#d9d9d9;cursor:not-allowed}.result-section{flex:1;background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 8px #0000001a}.result-section h3{font-size:18px;font-weight:600;margin-bottom:20px}.overall-prediction{display:flex;gap:24px;margin-bottom:24px;padding:20px;background:#f5f5f5;border-radius:8px}.metric{flex:1;text-align:center}.metric .label{display:block;font-size:12px;color:#666;margin-bottom:8px}.metric .value{display:block;font-size:24px;font-weight:600;color:#1890ff}.risk-alert{padding:16px;background:#fff2e8;border:1px solid #ffbb96;border-radius:4px;margin-bottom:24px}.risk-alert strong{display:block;color:#fa541c;margin-bottom:8px}.risk-alert p{margin:0;color:#666;font-size:14px}.kp-predictions{margin-bottom:24px}.kp-predictions h4{font-size:16px;font-weight:600;margin-bottom:12px}table{width:100%;border-collapse:collapse}table th,table td{padding:12px;text-align:left;border-bottom:1px solid #e0e0e0;font-size:14px}table th{background:#fafafa;font-weight:600}table tr:hover{background:#fafafa}.update-time{text-align:right;font-size:12px;color:#999;margin-top:16px}.summary{display:flex;gap:24px;margin-bottom:24px;padding:20px;background:#f5f5f5;border-radius:8px}.summary-item{flex:1;text-align:center}.summary-item .label{display:block;font-size:12px;color:#666;margin-bottom:8px}.summary-item .value{display:block;font-size:24px;font-weight:600;color:#1890ff}.summary-item .value.risk{color:#fa541c}.risk-students{margin-top:24px}.risk-students h4{font-size:16px;font-weight:600;margin-bottom:12px;color:#fa541c}.statistics-charts{margin-top:24px}.chart-card{border-radius:8px;box-shadow:0 2px 8px #0000000f;transition:all .3s ease}.chart-card:hover{box-shadow:0 4px 12px #0000001f}.chart-card .ant-card-head{border-bottom:1px solid #f0f0f0;padding:16px 24px}.chart-card .ant-card-head-title{font-size:16px;font-weight:600;color:#262626}.chart-card .ant-card-body{padding:24px}.custom-tooltip{background-color:#fffffff5;border:1px solid #d9d9d9;border-radius:4px;padding:12px 16px;box-shadow:0 2px 8px #00000026}.custom-tooltip .tooltip-label{margin:0 0 4px;font-size:14px;color:#595959;font-weight:500}.custom-tooltip .tooltip-value{margin:0;font-size:14px;color:#262626}.custom-tooltip .tooltip-value strong{color:#1890ff;font-size:16px}.chart-description{margin-top:16px;border-radius:8px;box-shadow:0 2px 8px #0000000f;background-color:#fafafa}.chart-description .ant-card-body{padding:16px 24px}.description-content h4{margin:0 0 12px;font-size:14px;font-weight:600;color:#262626}.description-content ul{margin:0;padding:0;list-style:none}.description-content li{display:flex;align-items:center;margin-bottom:8px;font-size:14px;color:#595959;line-height:1.6}.description-content li:last-child{margin-bottom:0}.legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;flex-shrink:0}.description-content strong{margin-right:4px;color:#262626}.description-note{margin:12px 0 0;padding-top:12px;border-top:1px solid #e8e8e8;font-size:13px;color:#8c8c8c;font-style:italic}.statistics-charts-card{border-radius:8px;box-shadow:0 2px 8px #0000000f}.statistics-charts-card .ant-card-body{padding:60px 24px;text-align:center}@media(max-width:992px){.chart-card .ant-card-body{padding:16px}.description-content,.description-content h4,.description-content li{font-size:13px}}@media(max-width:768px){.statistics-charts{margin-top:16px}.chart-card{margin-bottom:16px}.chart-card .ant-card-head{padding:12px 16px}.chart-card .ant-card-head-title{font-size:14px}.chart-card .ant-card-body{padding:12px}.chart-description .ant-card-body{padding:12px 16px}.description-content li{flex-direction:column;align-items:flex-start}.legend-dot{margin-bottom:4px}}@media(max-width:576px){.custom-tooltip{padding:8px 12px}.custom-tooltip .tooltip-label,.custom-tooltip .tooltip-value{font-size:12px}.custom-tooltip .tooltip-value strong{font-size:14px}.description-content h4,.description-content li,.description-note{font-size:12px}}.recharts-surface{overflow:visible}.recharts-bar-rectangle,.recharts-pie-sector,.recharts-line{transition:all .3s ease}.recharts-bar-rectangle:hover,.recharts-pie-sector:hover{opacity:.8;cursor:pointer}.recharts-legend-wrapper{padding-top:12px}.recharts-legend-item{margin-right:24px!important}.recharts-legend-item-text{font-size:14px!important;color:#595959!important}.recharts-cartesian-axis-tick-value{font-size:12px}.recharts-cartesian-grid-horizontal line,.recharts-cartesian-grid-vertical line{stroke-opacity:.5}.dashboard-page{padding:24px;background-color:#f0f2f5;min-height:calc(100vh - 64px)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding:16px 24px;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000000f}.dashboard-header h1{margin:0;font-size:24px;font-weight:600;color:#262626}.dashboard-filters{display:flex;align-items:center}.dashboard-statistics{margin-bottom:24px}.statistic-card{border-radius:8px;box-shadow:0 2px 8px #0000000f;transition:all .3s ease}.statistic-card:hover{box-shadow:0 4px 12px #0000001f;transform:translateY(-2px)}.statistic-card .ant-statistic-title{font-size:16px;color:#8c8c8c;margin-bottom:8px}.statistic-card .ant-statistic-content{font-size:32px;font-weight:600}.student-card{border-left:4px solid #1890ff}.class-card{border-left:4px solid #52c41a}.teacher-card{border-left:4px solid #faad14}.filter-info{padding:12px 24px;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000000f;font-size:14px;color:#595959}.filter-tag{display:inline-block;margin-left:8px;padding:4px 12px;background-color:#e6f7ff;border:1px solid #91d5ff;border-radius:4px;color:#1890ff;font-weight:500}.filter-tag+.filter-tag{margin-left:8px}@media(max-width:768px){.dashboard-page{padding:16px}.dashboard-header{flex-direction:column;align-items:flex-start}.dashboard-header h1{margin-bottom:16px}.dashboard-filters{width:100%;flex-direction:column;align-items:stretch}.dashboard-filters .ant-select{width:100%!important;margin-right:0!important;margin-bottom:8px}.statistic-card .ant-statistic-content{font-size:28px}}@media(max-width:576px){.dashboard-header h1{font-size:20px}.statistic-card .ant-statistic-title{font-size:14px}.statistic-card .ant-statistic-content{font-size:24px}}.performance-analytics-page{padding:24px;background-color:#f0f2f5;min-height:100vh}.page-header{margin-bottom:24px}.page-header h2{margin:0;color:#262626}.filter-card{margin-bottom:24px;box-shadow:0 1px 2px #00000008}.filter-item{display:inline-flex;align-items:center}.analytics-card{margin-bottom:16px;box-shadow:0 1px 2px #00000008}.chart-header{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #f0f0f0}.weak-kp-section{margin-top:24px;padding-top:16px;border-top:1px solid #f0f0f0}.weak-kp-section h5{margin-bottom:16px;color:#262626}.weak-kp-list{display:flex;flex-direction:column;gap:8px}.weak-kp-item{padding:8px 12px;background-color:#fafafa;border-radius:4px;border-left:3px solid #ff4d4f}.weak-kp-item span{color:#595959;font-size:14px}@media(max-width:768px){.performance-analytics-page{padding:16px}.filter-card .ant-space{width:100%}.filter-item{width:100%;flex-direction:column;align-items:flex-start}.filter-item .ant-select,.filter-item .ant-picker{width:100%!important;margin-left:0!important;margin-top:8px}.chart-header .ant-space,.chart-header .ant-statistic{width:100%}}.recharts-wrapper{margin:0 auto}.ant-statistic-title{color:#8c8c8c;font-size:14px}.ant-statistic-content{color:#262626;font-size:24px;font-weight:500}.ant-card-loading-content{padding:24px}.ant-empty{padding:48px 0}
