.basic-layout{min-height:100vh}.basic-layout__sider{background:var(--app-bg-container, #fff);box-shadow:1px 0 4px #0000000a}.basic-layout__logo{height:64px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--app-border-light, #f0f2f5)}.basic-layout__logo-icon{font-size:24px;color:var(--app-color-primary, #5b6abf)}.basic-layout__logo-text{display:flex;align-items:center;gap:8px;overflow:hidden}.basic-layout__logo-title{font-size:18px;font-weight:600;color:var(--app-color-primary, #5b6abf)}.basic-layout__header{padding:0;background:var(--app-bg-container, #fff);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--app-border-light, #f0f2f5);box-shadow:none;height:64px}.basic-layout__header-left{display:flex;align-items:center;flex:1;min-width:0;overflow-x:auto}.basic-layout__trigger{padding:0 24px;font-size:18px;cursor:pointer;color:var(--app-text-secondary, #667085);flex-shrink:0}.basic-layout__trigger:hover{color:var(--app-color-primary, #5b6abf)}.basic-layout__top-module{margin-left:24px;display:flex;align-items:center;flex-shrink:0}.basic-layout__module-title{font-size:16px;font-weight:600;margin-right:24px;color:var(--app-color-primary, #5b6abf);white-space:nowrap;cursor:default}.basic-layout__module-title--clickable{cursor:pointer}.basic-layout__top-menu{display:inline-block;border-bottom:none;background:transparent}.basic-layout__personal-tabs{display:flex;gap:4px}.basic-layout__personal-tab{padding:6px 16px;cursor:pointer;border-radius:8px;font-weight:500;font-size:13px;white-space:nowrap;transition:background .2s,color .2s;color:var(--app-text-secondary, #667085);background:transparent}.basic-layout__personal-tab--active{background:var(--app-color-primary, #5b6abf);color:#fff}.basic-layout__header-right{display:flex;align-items:center;gap:16px;padding-right:24px;flex-shrink:0}.basic-layout__bell-icon{font-size:18px;color:var(--app-text-secondary, #667085);cursor:pointer}.basic-layout__user-area{display:flex;align-items:center;gap:8px;cursor:pointer}.basic-layout__user-name{color:var(--app-text-secondary, #667085)}.basic-layout__content{padding:24px;background:var(--app-bg-page, #f5f7fb);min-height:280px;overflow:auto}.teacher-dashboard{max-width:1200px}.teacher-dashboard__header{margin-bottom:24px}.teacher-dashboard__title{font-size:22px;font-weight:600;color:var(--app-text-primary, #1f2937);margin:0}.teacher-dashboard__subtitle{font-size:14px;color:var(--app-text-secondary, #667085);margin-top:4px}.teacher-dashboard__stats{margin-bottom:24px}.teacher-dashboard__stat-card{border-radius:var(--app-radius-lg, 8px);border:1px solid var(--app-border, #e5e7eb);background:var(--app-bg-container, #fff);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));padding:20px}.teacher-dashboard__stat-card-inner{display:flex;align-items:center;gap:16px}.teacher-dashboard__stat-icon{font-size:28px;display:flex;align-items:center;justify-content:center}.teacher-dashboard__stat-label{font-size:13px;color:var(--app-text-secondary, #667085);margin-bottom:4px}.teacher-dashboard__stat-value{font-size:24px;font-weight:600}.teacher-dashboard__stat-card--primary .teacher-dashboard__stat-icon,.teacher-dashboard__stat-card--primary .teacher-dashboard__stat-value{color:var(--app-color-primary, #5b6abf)}.teacher-dashboard__stat-card--success .teacher-dashboard__stat-icon,.teacher-dashboard__stat-card--success .teacher-dashboard__stat-value{color:var(--app-color-success, #52c41a)}.teacher-dashboard__stat-card--warning .teacher-dashboard__stat-icon,.teacher-dashboard__stat-card--warning .teacher-dashboard__stat-value{color:var(--app-color-warning, #faad14)}.teacher-dashboard__stat-card--info .teacher-dashboard__stat-icon,.teacher-dashboard__stat-card--info .teacher-dashboard__stat-value{color:var(--app-color-info, #1677ff)}.teacher-dashboard__shortcut-card{border-radius:var(--app-radius-lg, 8px);border:1px solid var(--app-border, #e5e7eb);background:var(--app-bg-container, #fff);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));transition:border-color .2s;cursor:pointer;padding:20px;text-align:center}.teacher-dashboard__shortcut-card:hover{border-color:var(--app-color-primary, #5b6abf)}.teacher-dashboard__shortcut-icon{font-size:28px;margin-bottom:8px;color:var(--app-color-primary, #5b6abf)}.teacher-dashboard__shortcut-title{font-size:14px;font-weight:500;color:var(--app-text-primary, #1f2937);margin-bottom:4px}.teacher-dashboard__shortcut-desc{font-size:12px;color:var(--app-text-tertiary, #98a2b3)}.teacher-dashboard__panel{border-radius:var(--app-radius-lg, 8px);border:1px solid var(--app-border, #e5e7eb);background:var(--app-bg-container, #fff);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));padding:24px}.teacher-dashboard__panel-title{font-size:15px;font-weight:500;color:var(--app-text-primary, #1f2937);margin-bottom:16px}.teacher-dashboard__empty{text-align:center;padding:48px 24px}.teacher-dashboard__empty-icon{font-size:48px;color:var(--app-color-primary, #5b6abf);margin-bottom:16px}.teacher-dashboard__empty-title{font-size:16px;font-weight:500;color:var(--app-text-primary, #1f2937);margin-bottom:8px}.teacher-dashboard__empty-text{font-size:14px;color:var(--app-text-secondary, #667085)}.teacher-dashboard__loading{display:flex;justify-content:center;align-items:center;min-height:400px}.hw-overview{min-height:100%;background:#faf9f7;padding:48px 40px}.hw-overview__inner{max-width:960px;margin:0 auto}.hw-overview__header{margin-bottom:56px}.hw-overview__header h1{margin:0 0 12px;font-size:32px;font-weight:700;color:#1a1a1a;letter-spacing:1px;font-family:Noto Sans SC,serif}.hw-overview__header p{margin:0;font-size:15px;color:#706f6c;line-height:1.7}.hw-overview__grid{display:flex;flex-direction:column;gap:20px}.hw-overview__card{display:flex;align-items:center;gap:28px;padding:32px 36px;background:#fff;border:1px solid #e8e6e1;border-radius:6px;cursor:pointer;transition:border-color .2s,box-shadow .2s}.hw-overview__card:hover{border-color:#c8c5bd;box-shadow:0 4px 20px #0000000f}.hw-overview__card:hover .hw-overview__card-arrow{opacity:1;transform:translate(0)}.hw-overview__card:hover .hw-overview__card-line{width:32px}.hw-overview__card-icon{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:12px}.hw-overview__card-icon .anticon{font-size:28px}.hw-overview__card-line{display:block;width:20px;height:2px;transition:width .25s ease}.hw-overview__card-body{flex:1;min-width:0}.hw-overview__card-body h3{margin:0 0 8px;font-size:18px;font-weight:600;color:#262626;font-family:Noto Sans SC,serif}.hw-overview__card-body p{margin:0;font-size:14px;color:#8c8a85;line-height:1.6}.hw-overview__card-arrow{flex-shrink:0;font-size:20px;font-weight:300;opacity:0;transform:translate(-6px);transition:opacity .2s,transform .2s}@media (max-width: 768px){.hw-overview{padding:32px 20px}.hw-overview__header{margin-bottom:36px}.hw-overview__header h1{font-size:24px}.hw-overview__card{padding:24px 20px;gap:20px}}.workbook-list-page{padding:24px;min-height:100%;background:#f5f7fa}.workbook-list-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding:20px 24px;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000000f}.workbook-list-page .page-header .header-title{display:flex;align-items:center;gap:12px}.workbook-list-page .page-header .header-title .title-icon{font-size:24px;color:#1890ff}.workbook-list-page .page-header .header-title h2{margin:0;font-size:20px;font-weight:600;color:#262626}.workbook-list-page .page-header .header-title .total-count{font-size:14px;color:#8c8c8c}.workbook-list-page .page-header .header-actions{display:flex;align-items:center;gap:12px}.workbook-list-page .book-shelf{padding:0 4px}.workbook-list-page .book-card{border-radius:12px;overflow:hidden;border:none;box-shadow:0 2px 12px #00000014;transition:all .3s ease}.workbook-list-page .book-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f}.workbook-list-page .book-card:hover .book-cover .cover-content .book-title{color:#fff}.workbook-list-page .book-card .ant-card-cover{border-radius:12px 12px 0 0}.workbook-list-page .book-card .ant-card-body{padding:16px}.workbook-list-page .book-cover{height:200px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.workbook-list-page .book-cover:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,#0000,#0003)}.workbook-list-page .book-cover .cover-content{position:relative;z-index:1;text-align:center;padding:20px;width:100%}.workbook-list-page .book-cover .cover-content .book-type-tag{display:inline-block;padding:4px 12px;background:#ffffff40;border-radius:12px;font-size:12px;color:#fff;margin-bottom:12px}.workbook-list-page .book-cover .cover-content .book-title{font-size:16px;font-weight:600;color:#fffffff2;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,.1)}.workbook-list-page .book-cover .cover-content .book-grade{font-size:13px;color:#fffc}.workbook-list-page .book-info .info-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:13px;color:#595959}.workbook-list-page .book-info .info-row .anticon{color:#8c8c8c}.workbook-list-page .book-info .info-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-top:12px;border-top:1px solid #f0f0f0}@media (max-width: 1200px){.workbook-list-page .page-header{flex-direction:column;align-items:flex-start;gap:16px}.workbook-list-page .page-header .header-actions{width:100%;flex-wrap:wrap}}@media (max-width: 768px){.workbook-list-page,.workbook-list-page .page-header{padding:16px}.workbook-list-page .page-header .header-title h2{font-size:18px}.workbook-list-page .page-header .header-actions .ant-input-affix-wrapper,.workbook-list-page .page-header .header-actions .ant-select{width:100%!important}}@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;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.28"}.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 .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;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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.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}.basket-item{margin-bottom:12px;padding:12px 16px;background:var(--app-bg-subtle, #fafafa);border-radius:8px;border:1px solid var(--app-border-light, #f0f0f0);transition:background .2s}.basket-item--dragging{background:var(--app-bg-subtle, #f0f5ff)}.basket-item__row{display:flex;justify-content:space-between;align-items:flex-start}.basket-item__body{flex:1;min-width:0}.basket-item__header{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.basket-item__drag-handle{color:var(--app-text-tertiary, #999);cursor:grab}.basket-item__meta-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding-left:20px;flex-wrap:wrap}.basket-item__content-preview{padding-left:20px;margin-bottom:8px}.basket-item__actions{display:flex;align-items:center;gap:8px;margin-left:16px;flex-shrink:0}.basket-item__score-editor{display:flex;align-items:center;gap:4px}.basket-group-meta{padding:8px;background:var(--app-bg-container, #fafcff);border:1px dashed var(--app-border, #d6e4ff);border-radius:4px;margin-bottom:8px;display:flex;flex-direction:column;gap:6px}.basket-group-meta__row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.basket-group-children{margin-top:8px;padding-left:20px;border-left:2px solid var(--app-border-light, #f0f0f0);display:flex;flex-direction:column;gap:8px}.basket-group-child{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--app-bg-container, #fff);border-radius:4px;border:1px solid var(--app-border-light, #f0f0f0)}.basket-group-child__order{font-size:12px;color:var(--app-text-tertiary, #999);width:28px;flex-shrink:0}.basket-group-child__content{flex:1;min-width:0;font-size:12px;color:var(--app-text-secondary, #666)}.basket-group-child__score{display:flex;align-items:center;gap:4px;flex-shrink:0}.grading-rules-panel{margin-top:8px;padding:10px 12px;background:var(--app-bg-container, #f6f8ff);border:1px dashed var(--app-border, #c5d3f0);border-radius:6px;display:flex;flex-direction:column;gap:10px}.grading-rules-panel__section{display:flex;flex-direction:column;gap:6px}.grading-rules-panel__rubric-row{display:flex;align-items:center;gap:6px}.questions-page{display:flex;height:100%;min-height:calc(100vh - 112px);background:var(--app-bg-page);gap:16px;padding:16px}.questions-page .sidebar{width:400px;flex-shrink:0}.questions-page .sidebar .sidebar-card{height:100%;border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08));overflow:hidden}.questions-page .sidebar .sidebar-card .ant-card-body{padding:0;height:100%;display:flex;flex-direction:column}.questions-page .sidebar .sidebar-tabs{height:100%}.questions-page .sidebar .sidebar-tabs .ant-tabs-nav{margin:0;padding:0 16px;background:var(--app-bg-subtle, #fafbfc);border-bottom:1px solid var(--app-border-light, #e8e8e8)}.questions-page .sidebar .sidebar-tabs .ant-tabs-tab{padding:12px 14px;font-size:14px}.questions-page .sidebar .sidebar-tabs .ant-tabs-tab .anticon{margin-right:6px}.questions-page .sidebar .sidebar-tabs .ant-tabs-content-holder{flex:1;overflow:hidden}.questions-page .sidebar .sidebar-tabs .ant-tabs-content{height:100%}.questions-page .sidebar .sidebar-tabs .ant-tabs-tabpane{height:100%;overflow-y:auto;padding:12px}.questions-page .sidebar .nav-tree{font-size:14px}.questions-page .sidebar .nav-tree .ant-tree-switcher{width:20px;display:flex;align-items:center;justify-content:center}.questions-page .sidebar .nav-tree .ant-tree-switcher .ant-tree-switcher-icon{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;background:var(--app-border-light, #e8e8e8);border-radius:3px;font-size:8px;color:var(--app-text-secondary, #666);transition:all .2s ease}.questions-page .sidebar .nav-tree .ant-tree-switcher .ant-tree-switcher-icon .anticon{font-size:8px}.questions-page .sidebar .nav-tree .ant-tree-switcher:hover .ant-tree-switcher-icon,.questions-page .sidebar .nav-tree .ant-tree-switcher.ant-tree-switcher_open .ant-tree-switcher-icon{background:var(--app-bg-subtle, #f0f5ff);color:var(--app-color-primary, #5b6abf)}.questions-page .sidebar .nav-tree .ant-tree-indent-unit{width:16px}.questions-page .sidebar .nav-tree .ant-tree-treenode{padding:2px 0;width:100%}.questions-page .sidebar .nav-tree .ant-tree-node-content-wrapper{display:flex;align-items:center;padding:4px 8px;border-radius:4px;transition:all .2s ease;min-height:32px}.questions-page .sidebar .nav-tree .ant-tree-node-content-wrapper:hover{background:var(--app-bg-subtle, #f0f5ff)}.questions-page .sidebar .nav-tree .ant-tree-node-selected{background:var(--app-bg-subtle, #f0f5ff)!important;font-weight:500}.questions-page .sidebar .nav-tree .tree-node-title{display:flex;align-items:center;justify-content:space-between;width:100%;gap:8px}.questions-page .sidebar .nav-tree .tree-node-title .node-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.questions-page .sidebar .nav-tree .tree-node-title .node-badge{flex-shrink:0}.questions-page .sidebar .nav-tree .tree-node-title .node-badge .ant-badge-count{background:var(--app-color-primary, #5b6abf);font-size:10px;min-width:18px;height:18px;line-height:18px}.questions-page .sidebar .nav-tree .ant-tree-switcher,.questions-page .sidebar .nav-tree .ant-tree-indent-unit{width:18px}.questions-page .sidebar .tree-loading{display:flex;justify-content:center;padding:40px 0}.questions-page .sidebar .textbook-selector{margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--app-border, #e8e8e8)}.questions-page .sidebar .textbook-selector .selector-label{font-size:13px;color:var(--app-text-secondary, #666);margin-bottom:8px;font-weight:500}.questions-page .sidebar .textbook-selector .textbook-select .ant-select-selector{border-radius:6px!important;border-color:var(--app-border, #d9d9d9)!important}.questions-page .sidebar .textbook-selector .textbook-select .ant-select-selector:hover{border-color:var(--app-color-primary, #5b6abf)!important}.questions-page .sidebar .textbook-selector .textbook-select.ant-select-focused .ant-select-selector{border-color:var(--app-color-primary, #5b6abf)!important;box-shadow:0 0 0 2px #5b6abf1a!important}.questions-page .sidebar .textbook-name{padding:8px 12px;background:var(--app-bg-subtle, #f6f8fa);border-radius:4px;margin-bottom:12px;font-size:13px}.questions-page .sidebar .textbook-empty{display:flex;align-items:center;justify-content:center;padding:60px 20px;color:var(--app-text-tertiary, #999);font-size:14px}.questions-page .sidebar .textbook-error{display:flex;align-items:center;justify-content:space-between;padding:12px;background:var(--app-bg-container, #fff2f0);border:1px solid var(--app-color-error, #ffccc7);border-radius:6px;margin-top:8px;font-size:13px}.questions-page .sidebar .topic-list{padding:12px;display:flex;flex-direction:column;gap:10px}.questions-page .sidebar .topic-card{padding:14px 16px;background:var(--app-bg-subtle, #fafbfc);border:1px solid var(--app-border, #e8e8e8);border-radius:8px;cursor:pointer;transition:all .2s ease}.questions-page .sidebar .topic-card:hover{background:var(--app-bg-subtle, #f0f5ff);border-color:var(--app-color-primary, #5b6abf)}.questions-page .sidebar .topic-card.active{background:var(--app-bg-subtle, #f0f5ff);border-color:var(--app-color-primary, #5b6abf);box-shadow:0 0 0 2px #5b6abf26}.questions-page .sidebar .topic-card .topic-name{font-size:14px;font-weight:500;color:var(--app-text-primary, #333);margin-bottom:4px}.questions-page .sidebar .topic-card .topic-desc{font-size:12px;color:var(--app-text-tertiary, #999);line-height:1.4}.questions-page .main-content{flex:1;min-width:0;display:flex;flex-direction:column;gap:12px}.questions-page .main-content .content-type-tabs{background:#fff;border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08));padding:0 16px}.questions-page .main-content .content-type-tabs .ant-tabs,.questions-page .main-content .content-type-tabs .ant-tabs-nav{margin-bottom:0}.questions-page .toolbar-card{background:var(--app-bg-container, #fff);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08));padding:12px 16px}.questions-page .toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.questions-page .toolbar .toolbar-left,.questions-page .toolbar .toolbar-right{display:flex;align-items:center;gap:8px}.questions-page .toolbar .search-input{width:260px}.questions-page .toolbar .search-input.ai-search-input{border-color:var(--app-color-primary-hover, #91caff);box-shadow:0 0 0 2px #5b6abf1a}.questions-page .toolbar .ai-search-toggle{display:flex;align-items:center;gap:4px;cursor:pointer}.questions-page .similar-questions-list{display:flex;flex-direction:column;gap:12px}.questions-page .similar-questions-list .similar-card .card-content{max-height:200px;overflow:hidden}.questions-page .filter-panel{margin-top:12px;padding-top:12px;border-top:1px solid var(--app-border-light, #f0f0f0)}.questions-page .filter-panel .filter-item{display:flex;align-items:center;gap:8px}.questions-page .filter-panel .filter-item label{flex-shrink:0;color:var(--app-text-secondary, #666)}.questions-page .result-stats{padding:2px 0;font-size:13px}.questions-page .question-cards-container{flex:1;display:flex;flex-direction:column;gap:12px;overflow:hidden}.questions-page .question-cards-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-right:4px}.questions-page .question-cards-list::-webkit-scrollbar{width:6px}.questions-page .question-cards-list::-webkit-scrollbar-track{background:var(--app-border-light, #f0f0f0);border-radius:3px}.questions-page .question-cards-list::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.questions-page .question-cards-list::-webkit-scrollbar-thumb:hover{background:#aaa}.questions-page .question-card{border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08));transition:all .2s ease;background:var(--app-bg-container, #fff)}.questions-page .question-card:hover{box-shadow:var(--app-shadow-elevated, 0 4px 12px rgba(0, 0, 0, .12))}.questions-page .question-card .ant-card-body{padding:16px 20px}.questions-page .question-card .card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--app-border-light, #f0f0f0)}.questions-page .question-card .card-header .header-left{display:flex;align-items:center;gap:10px}.questions-page .question-card .card-header .header-left .question-index{font-weight:600;font-size:15px;color:var(--app-color-primary, #5b6abf)}.questions-page .question-card .card-header .header-left .difficulty-stars{font-size:12px;letter-spacing:1px;color:var(--app-color-warning)}.questions-page .question-card .card-header .header-right{display:flex;align-items:center;gap:6px}.questions-page .question-card .card-content{font-size:14px;line-height:1.8;color:var(--app-text-primary, #333)}.questions-page .question-card .card-content .source-bracket{display:inline-block;font-size:13px;color:var(--app-text-secondary, #666);margin-right:8px;font-weight:400}.questions-page .question-card .card-content .content-line{margin:0 0 6px;text-indent:2em}.questions-page .question-card .card-content .content-line:first-of-type{display:inline;text-indent:0}.questions-page .question-card .card-content .content-line:last-child{margin-bottom:0}.questions-page .question-card .card-content .options-list{margin-top:12px;padding:10px 12px;background:var(--app-bg-subtle, #fafbfc);border-radius:6px}.questions-page .question-card .card-content .options-list .option-item{display:flex;align-items:center;padding:8px 10px;margin-bottom:6px;background:var(--app-bg-container, #fff);border-radius:4px;border:1px solid var(--app-border, #e8e8e8);font-size:14px;transition:all .2s}.questions-page .question-card .card-content .options-list .option-item:last-child{margin-bottom:0}.questions-page .question-card .card-content .options-list .option-item:hover{border-color:var(--app-color-primary, #5b6abf)}.questions-page .question-card .card-content .options-list .option-item.correct{background:var(--app-bg-subtle, #f6ffed);border-color:var(--app-color-success)}.questions-page .question-card .card-content .options-list .option-item.correct .option-key{color:var(--app-color-success);font-weight:600}.questions-page .question-card .card-content .options-list .option-item .option-key{font-weight:500;margin-right:8px;color:var(--app-text-primary, #333)}.questions-page .question-card .card-content .options-list .option-item .option-content{flex:1}.questions-page .question-card .card-content .options-list .option-item .correct-icon{color:var(--app-color-success);margin-left:8px}.questions-page .question-card .card-content .subquestion-list{margin-top:14px;display:grid;gap:10px}.questions-page .question-card .card-content .subquestion-item{display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;padding:10px 12px;background:var(--app-bg-subtle, #fafbfc);border:1px solid var(--app-border-light, #edf0f4);border-radius:6px}.questions-page .question-card .card-content .subquestion-order{color:var(--app-color-primary, #5b6abf);font-weight:600}.questions-page .question-card .card-content .subquestion-content{min-width:0}.questions-page .question-card .card-knowledge{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}.questions-page .question-card .card-knowledge .knowledge-tag{font-size:12px;background:var(--app-bg-subtle, #f0f5ff);border-color:var(--app-border, #adc6ff);color:var(--app-color-primary, #2f54eb)}.questions-page .question-card .card-answer-section{margin-top:12px;border-top:1px solid var(--app-border-light, #f0f0f0)}.questions-page .question-card .card-answer-section .answer-toggle{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;cursor:pointer;font-size:13px;color:var(--app-color-primary, #5b6abf);transition:all .2s}.questions-page .question-card .card-answer-section .answer-toggle:hover{background:var(--app-bg-subtle, #f0f5ff)}.questions-page .question-card .card-answer-section .answer-toggle .anticon{font-size:12px}.questions-page .question-card .card-answer-section .answer-content{padding:12px;background:var(--app-bg-subtle, #fafbfc);border-radius:6px;animation:fadeIn .2s ease}.questions-page .question-card .card-answer-section .answer-content .subquestion-answer-block+.subquestion-answer-block{margin-top:12px;padding-top:12px;border-top:1px dashed var(--app-border, #d9d9d9)}.questions-page .question-card .card-answer-section .answer-content .answer-row{margin-bottom:10px}.questions-page .question-card .card-answer-section .answer-content .answer-row:last-child{margin-bottom:0}.questions-page .question-card .card-answer-section .answer-content .answer-row .label{font-weight:500;color:var(--app-text-secondary, #666);margin-right:8px}.questions-page .question-card .card-answer-section .answer-content .answer-row .value{color:var(--app-text-primary, #333);line-height:1.6}.questions-page .question-card .card-answer-section .answer-content .answer-row .value .content-line{text-indent:0;margin:0}.questions-page .question-card .card-answer-section .answer-content .answer-row .answer-text{color:var(--app-color-success);font-weight:500}.questions-page .question-card .card-answer-section .answer-content .answer-row.meta{display:flex;gap:16px;font-size:12px;color:var(--app-text-tertiary, #999);margin-top:10px;padding-top:10px;border-top:1px dashed var(--app-border, #e8e8e8)}.questions-page .pagination-container{background:var(--app-bg-container, #fff);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08));padding:12px 16px;display:flex;justify-content:center;flex-shrink:0}.questions-page .pagination-container .ant-pagination .ant-pagination-item{border-radius:4px;min-width:32px;height:32px;line-height:30px}.questions-page .pagination-container .ant-pagination .ant-pagination-item-active{background:var(--app-color-primary, #5b6abf);border-color:var(--app-color-primary, #5b6abf)}.questions-page .pagination-container .ant-pagination .ant-pagination-item-active a{color:#fff}.questions-page .pagination-container .ant-pagination .ant-pagination-total-text{font-size:13px;color:var(--app-text-secondary, #666)}.questions-page .empty-state{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;background:var(--app-bg-container, #fff);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08));padding:40px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.math-content{line-height:1.8}.math-content .katex-display{margin:12px 0;overflow-x:auto;overflow-y:hidden}.math-content p{margin:0 0 8px}.math-content p:last-child{margin-bottom:0}.math-content img{max-width:100%;height:auto;display:block;margin:6px auto;border-radius:4px;max-height:120px;object-fit:contain}.option-item .math-content{flex:1;line-height:1.6}.option-item .math-content .katex{font-size:1em}.answer-content .math-content .katex-display{margin:8px 0}@media (max-width: 1400px){.questions-page .sidebar{width:350px}}@media (max-width: 1200px){.questions-page .sidebar{width:300px}.questions-page .toolbar .search-input{width:200px}}@media (max-width: 992px){.questions-page{flex-direction:column}.questions-page .sidebar{width:100%;max-height:250px}.questions-page .toolbar{flex-direction:column;align-items:stretch}.questions-page .toolbar .toolbar-left,.questions-page .toolbar .toolbar-right{justify-content:center}.questions-page .toolbar .search-input{width:100%}}.homework-papers-page{padding:24px}.homework-papers-page__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.homework-papers-page__title{margin:0;font-size:18px;font-weight:600;color:var(--app-text-primary, #1f2937)}.homework-papers-page__table{background:var(--app-bg-container, #fff);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 4px rgba(0, 0, 0, .08))}.homework-papers-page__empty{text-align:center;padding:80px 0}.homework-papers-page__detail-item{font-size:12px;padding:2px 0}.error-analysis-page{display:flex;height:100%;min-height:calc(100vh - 112px);background:#f0f2f5;gap:16px;padding:16px}.error-analysis-page .sidebar{width:320px;flex-shrink:0}.error-analysis-page .sidebar .sidebar-card{height:100%;border-radius:8px;box-shadow:0 1px 4px #00000014;overflow:hidden}.error-analysis-page .sidebar .sidebar-card .ant-card-body{padding:0;height:100%;overflow-y:auto}.error-analysis-page .sidebar .sidebar-header{padding:16px;font-weight:500;font-size:14px;border-bottom:1px solid #f0f0f0}.error-analysis-page .sidebar .nav-tree{padding:12px}.error-analysis-page .sidebar .nav-tree .tree-node-title{display:flex;align-items:center;gap:6px;font-size:13px}.error-analysis-page .sidebar .nav-tree .rate-tag{font-size:11px;line-height:16px;padding:0 4px;margin-left:auto}.error-analysis-page .sidebar .tree-loading,.error-analysis-page .sidebar .tree-empty{display:flex;justify-content:center;padding:40px}.error-analysis-page .main-content{flex:1;min-width:0;display:flex;flex-direction:column;gap:12px}.error-analysis-page .main-content .toolbar-card{background:#fff;border-radius:8px;box-shadow:0 1px 4px #00000014;padding:16px}.error-analysis-page .main-content .toolbar-card .toolbar{display:flex;justify-content:space-between;align-items:center}.error-analysis-page .main-content .toolbar-card .toolbar-left,.error-analysis-page .main-content .toolbar-card .toolbar-right{display:flex;align-items:center;gap:8px}.error-analysis-page .main-content .result-stats{padding:0 4px}.error-analysis-page .main-content .question-cards-container{flex:1;display:flex;flex-direction:column}.error-analysis-page .main-content .question-cards-list{flex:1;display:flex;flex-direction:column;gap:12px}.error-analysis-page .main-content .error-card{border-radius:8px;box-shadow:0 1px 4px #00000014;transition:box-shadow .3s}.error-analysis-page .main-content .error-card:hover{box-shadow:0 4px 12px #0000001f}.error-analysis-page .main-content .error-card .card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.error-analysis-page .main-content .error-card .card-header .header-left{display:flex;align-items:center;gap:8px}.error-analysis-page .main-content .error-card .card-header .header-right{display:flex;align-items:center;gap:4px}.error-analysis-page .main-content .error-card .card-header .question-index{font-size:13px;color:#999}.error-analysis-page .main-content .error-card .card-header .difficulty-stars{font-size:12px}.error-analysis-page .main-content .error-card .card-content{margin-bottom:12px;line-height:1.8}.error-analysis-page .main-content .error-card .card-knowledge{margin-bottom:8px}.error-analysis-page .main-content .error-card .card-knowledge .knowledge-tag{font-size:12px;margin-bottom:4px}.error-analysis-page .main-content .error-card .card-error-stats{font-size:12px;color:#666;padding-top:8px;border-top:1px solid #f5f5f5}.error-analysis-page .main-content .pagination-container{display:flex;justify-content:center;padding:16px 0}.similar-card{border-radius:12px;border:1px solid #f0f0f0;padding:20px;margin-bottom:16px;background:#fafafa;transition:all .3s ease}.similar-card:hover{border-color:#d9d9d9;box-shadow:0 2px 12px #00000014;background:#fff}.similar-card .ant-card-body{padding:0}.similar-card .card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #f0f0f0}.similar-card .card-header .header-left{display:flex;align-items:center;gap:10px}.similar-card .card-header .header-left .question-index{font-size:13px;color:#999;font-weight:500}.similar-card .card-header .header-right{flex-shrink:0;margin-left:12px}.similar-card .card-header .header-right .ant-btn{border-radius:6px}.similar-card .card-content{line-height:1.8;font-size:14px;color:#333}@font-face{font-display:"swap";font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2")}@font-face{font-display:"swap";font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2")}:root{--ML__static-fonts:true}.ML__container{min-height:auto!important;--_hue:var(--hue,212);--_placeholder-color:var(--placeholder-color,hsl(var(--_hue),40%,49%));--_placeholder-opacity:var(--placeholder-opacity,.4);--_text-font-family:var(--text-font-family,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif)}.ML__sr-only{height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;clip:rect(0,0,0,0);border:0;clip-path:inset(50%);white-space:nowrap}.ML__base,.ML__is-inline{display:inline-block}.ML__base{border:0;box-sizing:content-box;cursor:text;font-family:inherit;font-style:inherit;font-weight:inherit;margin:0;outline:0;padding:0;position:relative;text-decoration:none;vertical-align:baseline;visibility:inherit;width:min-content}.ML__strut,.ML__strut--bottom{display:inline-block;min-height:.5em}.ML__small-delim{font-family:KaTeX_Main}.ML__text{font-family:var(--_text-font-family);white-space:pre}.ML__cmr{font-family:KaTeX_Main;font-style:normal}.ML__mathit{font-family:KaTeX_Math;font-style:italic}.ML__mathbf{font-family:KaTeX_Main;font-weight:700}.ML__mathbfit,.lcGreek.ML__mathbf{font-family:KaTeX_Math}.ML__mathbfit{font-style:italic;font-weight:700}.ML__ams,.ML__bb{font-family:KaTeX_AMS}.ML__cal{font-family:KaTeX_Caligraphic}.ML__frak{font-family:KaTeX_Fraktur}.ML__tt{font-family:KaTeX_Typewriter}.ML__script{font-family:KaTeX_Script}.ML__sans{font-family:KaTeX_SansSerif}.ML__series_el,.ML__series_ul{font-weight:100}.ML__series_l{font-weight:200}.ML__series_sl{font-weight:300}.ML__series_sb{font-weight:500}.ML__bold{font-weight:700}.ML__series_eb{font-weight:800}.ML__series_ub{font-weight:900}.ML__series_uc{font-stretch:ultra-condensed}.ML__series_ec{font-stretch:extra-condensed}.ML__series_c{font-stretch:condensed}.ML__series_sc{font-stretch:semi-condensed}.ML__series_sx{font-stretch:semi-expanded}.ML__series_x{font-stretch:expanded}.ML__series_ex{font-stretch:extra-expanded}.ML__series_ux{font-stretch:ultra-expanded}.ML__it{font-style:italic}.ML__shape_ol{-webkit-text-stroke:1px #000;text-stroke:1px #000;color:transparent}.ML__shape_sc{font-variant:small-caps}.ML__shape_sl{font-style:oblique}.ML__emph{color:#bc2612}.ML__emph .ML__emph{color:#0c7f99}.ML__highlight{background:#edd1b0;color:#007cb2}.ML__center{text-align:center}.ML__left{text-align:left}.ML__right{text-align:right}.ML__label_padding{padding:0 .5em}.ML__frac-line{min-height:1px;width:100%}.ML__frac-line:after{background:currentColor;box-sizing:content-box;content:"";display:block;forced-color-adjust:preserve-parent-color;margin-top:max(-1px,-.04em);min-height:max(1px,.04em);-webkit-print-color-adjust:exact;print-color-adjust:exact;transform:translate(0)}@media (forced-colors:active){.ML__frac-line{min-height:0px}}.ML__sqrt,.ML__sqrt-sign{display:inline-block}.ML__sqrt-sign{position:relative}.ML__sqrt-line{display:inline-block;height:max(1px,.04em);width:100%}.ML__sqrt-line:before{background:currentColor;content:"";display:block;forced-color-adjust:preserve-parent-color;margin-top:min(-1px,-.04em);min-height:max(1px,.04em);-webkit-print-color-adjust:exact;print-color-adjust:exact;transform:translate(0)}@media (forced-colors:active){.ML__sqrt-line:after{background:#fff!important}}.ML__sqrt-line:after{border-bottom-width:1px;content:" ";display:block;margin-top:-.1em}.ML__sqrt-index{margin-left:.27777778em;margin-right:-.55555556em}.ML__delim-size1{font-family:KaTeX_Size1}.ML__delim-size2{font-family:KaTeX_Size2}.ML__delim-size3{font-family:KaTeX_Size3}.ML__delim-size4{font-family:KaTeX_Size4}.ML__delim-mult .delim-size1>span{font-family:KaTeX_Size1}.ML__delim-mult .delim-size4>span{font-family:KaTeX_Size4}.ML__accent-body{font-family:KaTeX_Main}.ML__accent-combining-char{left:.24em;position:relative}.ML__latex{direction:ltr;display:inline-block;font-family:inherit;font-size-adjust:none;font-stretch:normal;font-style:normal;font-variant-caps:normal;letter-spacing:normal;line-height:1.2;text-align:left;text-indent:0;text-rendering:auto;word-wrap:normal;forced-color-adjust:preserve-parent-color;text-shadow:none;-webkit-user-select:none;user-select:none;white-space:nowrap;width:min-content;word-spacing:normal}.ML__latex .style-wrap{position:relative}.ML__latex .ML__left-right,.ML__latex .ML__mfrac{display:inline-block}.ML__latex .ML__vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.ML__latex .ML__vlist-r{display:table-row}.ML__latex .ML__vlist{display:table-cell;position:relative;vertical-align:bottom}.ML__latex .ML__vlist>span{display:block;height:0;position:relative}.ML__latex .ML__vlist>span>span{display:inline-block}.ML__latex .ML__vlist>span>.ML__pstrut{overflow:hidden;width:0}.ML__latex .ML__vlist-t2{margin-right:-2px}.ML__latex .ML__vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.ML__latex .ML__msubsup{text-align:left}.ML__latex .ML__negativethinspace{display:inline-block;height:.71em;margin-left:-.16667em}.ML__latex .ML__thinspace{display:inline-block;height:.71em;width:.16667em}.ML__latex .ML__mediumspace{display:inline-block;height:.71em;width:.22222em}.ML__latex .ML__thickspace{display:inline-block;height:.71em;width:.27778em}.ML__latex .ML__enspace{display:inline-block;height:.71em;width:.5em}.ML__latex .ML__quad{display:inline-block;height:.71em;width:1em}.ML__latex .ML__qquad{display:inline-block;height:.71em;width:2em}.ML__latex .ML__llap,.ML__latex .ML__rlap{display:inline-block;position:relative;width:0}.ML__latex .ML__llap>.ML__inner,.ML__latex .ML__rlap>.ML__inner{position:absolute}.ML__latex .ML__llap>.ML__fix,.ML__latex .ML__rlap>.ML__fix{display:inline-block}.ML__latex .ML__llap>.ML__inner{right:0}.ML__latex .ML__rlap>.ML__inner{left:0}.ML__latex .ML__rule{border:0 solid;box-sizing:border-box;display:inline-block;position:relative}.ML__latex .overline .overline-line,.ML__latex .underline .underline-line{width:100%}.ML__latex .overline .overline-line:before,.ML__latex .underline .underline-line:before{border-bottom-style:solid;border-bottom-width:max(1px,.04em);content:"";display:block;-webkit-print-color-adjust:exact;print-color-adjust:exact}.ML__latex .overline .overline-line:after,.ML__latex .underline .underline-line:after{border-bottom-style:solid;border-bottom-width:max(1px,.04em);content:"";display:block;margin-top:-1px;-webkit-print-color-adjust:exact;print-color-adjust:exact}.ML__latex .ML__stretchy{display:block;left:0;overflow:hidden;position:absolute;width:100%}.ML__latex .ML__stretchy:after,.ML__latex .ML__stretchy:before{content:""}.ML__latex .ML__stretchy svg{display:block;fill:currentColor;fill-opacity:1;fill-rule:nonzero;height:inherit;position:absolute;stroke:currentColor;stroke-dasharray:none;stroke-dashoffset:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-width:1;width:100%}.ML__latex .slice-1-of-2{left:0}.ML__latex .slice-1-of-2,.ML__latex .slice-2-of-2{display:inline-flex;overflow:hidden;position:absolute;width:50.2%}.ML__latex .slice-2-of-2{right:0}.ML__latex .slice-1-of-3{left:0;width:25.1%}.ML__latex .slice-1-of-3,.ML__latex .slice-2-of-3{display:inline-flex;overflow:hidden;position:absolute}.ML__latex .slice-2-of-3{left:25%;width:50%}.ML__latex .slice-3-of-3{right:0;width:25.1%}.ML__latex .slice-1-of-1,.ML__latex .slice-3-of-3{display:inline-flex;overflow:hidden;position:absolute}.ML__latex .slice-1-of-1{left:0;width:100%}.ML__latex .ML__nulldelimiter,.ML__latex .ML__op-group{display:inline-block}.ML__latex .ML__op-symbol{position:relative}.ML__latex .ML__op-symbol.ML__small-op{font-family:KaTeX_Size1}.ML__latex .ML__op-symbol.ML__large-op{font-family:KaTeX_Size2}.ML__latex:has(.ML__align_environment),.ML__latex:has(.ML__center_environment),.ML__latex:has(.ML__eqnarray_environment),.ML__latex:has(.ML__gather_environment),.ML__latex:has(.ML__multiline_environment){width:100%}.ML__latex .ML__multiline_environment{display:inline-flex;width:100%}.ML__latex .ML__center_environment{display:inline-flex;justify-content:center;width:100%}.ML__latex .ML__align_environment,.ML__latex .ML__eqnarray_environment,.ML__latex .ML__gather_environment{display:inline-block}.ML__latex .ML__mtable .ML__vertical-separator{box-sizing:border-box;display:inline-block;min-width:1px}.ML__latex .ML__mtable .ML__arraycolsep{display:inline-block}.ML__latex .ML__mtable .col-align-m>.ML__vlist-t{text-align:center}.ML__latex .ML__mtable .col-align-c>.ML__vlist-t{text-align:center}.ML__latex .ML__mtable .col-align-l>.ML__vlist-t{text-align:left}.ML__latex .ML__mtable .col-align-r>.ML__vlist-t{text-align:right}[data-href]{cursor:pointer}.ML__error{background-color:#cc00411a;background-image:radial-gradient(ellipse at center,#cc0041,transparent 70%);background-position:0 100%;background-repeat:repeat-x;background-size:3px 3px;display:inline-block;padding-bottom:3px}.ML__error>.ML__error{background:transparent;padding:0}.ML__placeholder{color:var(--_placeholder-color);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;opacity:var(--_placeholder-opacity);padding-left:.4ex;padding-right:.4ex}.ML__notation{box-sizing:border-box;line-height:0;position:absolute}.ML__tooltip-container{position:relative;transform:scale(0)}.ML__tooltip-container .ML__tooltip-content{background:var(--_tooltip-background-color);border:var(--_tooltip-border);border-radius:var(--_tooltip-border-radius);display:inline-table;max-width:400px;padding:12px;position:fixed;visibility:hidden;width:max-content;z-index:2;--_selection-color:var(--_tooltip-color);box-shadow:var(--_tooltip-box-shadow);color:var(--_tooltip-color);opacity:0;transition:opacity .15s cubic-bezier(.4,0,1,1)}.ML__tooltip-container .ML__tooltip-content .ML__text{white-space:normal}.ML__tooltip-container .ML__tooltip-content .ML__base{display:contents}.ML__tooltip-container:hover .ML__tooltip-content{font-size:.75em;opacity:1;transform:scale(1) translateY(3em);visibility:visible}.ML__bg{background-color:transparent!important}.ML__bg:before{background-color:var(--bg-color);bottom:0;box-sizing:border-box;content:"";left:0;position:absolute;right:0;top:0;z-index:-1}.sg-shell{padding:0;height:100%}.katex-mathml{display:none!important}.sg-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.sg-header__title{font-size:22px;font-weight:700}.sg-create-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 22px;background:var(--app-color-primary);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit}.sg-create-btn:hover{background:#6f7bd1}.sg-filter-bar{display:flex;align-items:center;gap:8px;margin-bottom:32px}.sg-empty-state{text-align:center;padding:80px;color:var(--app-text-tertiary)}.sg-empty-state__icon{font-size:48px;margin-bottom:16px;opacity:.5}.sg-empty-state__text{font-size:14px;margin-bottom:20px}.sg-delete-warning{background:#fff7e6;border:1px solid #ffd591;border-radius:6px;padding:12px 16px;margin:12px 0;font-size:13px}.sg-delete-warning__title{color:var(--app-color-warning);font-weight:500;margin-bottom:6px}.sg-delete-warning__body{color:var(--app-text-secondary);line-height:1.7}.sg-create-shell{min-height:100%;background:#f0f0f4}.sg-create-breadcrumb{display:flex;align-items:center;gap:8px;padding:20px 36px;border-bottom:1px solid #e4e4ec;background:#fff}.sg-create-breadcrumb-back{font-size:13px;color:var(--app-text-tertiary);cursor:pointer;display:flex;align-items:center;gap:4px}.sg-create-breadcrumb-sep{color:var(--app-border-light)}.sg-create-breadcrumb-title{font-size:14px;font-weight:600;color:var(--app-text-primary)}.sg-create-form-card{background:#fff;border-radius:16px;padding:36px 32px;box-shadow:var(--app-shadow-card)}.sg-create-field{margin-bottom:22px}.sg-create-field__label{display:block;margin-bottom:6px;font-size:13px;font-weight:500;color:var(--app-text-primary)}.sg-create-field__required{color:var(--app-color-error)}.sg-create-actions{display:flex;gap:12px;margin-top:32px}.sg-btn-secondary{padding:11px 28px;border-radius:10px;border:1px solid #ddd;background:#fff;font-size:14px;color:#666;cursor:pointer;font-family:inherit}.sg-btn-primary{padding:11px 28px;border-radius:10px;border:none;background:var(--app-color-primary);color:#fff;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 12px #5b6abf4d}.sg-btn-primary:disabled{background:#ccc;box-shadow:none;cursor:not-allowed}.sg-preview-label{font-size:13px;font-weight:600;color:var(--app-text-tertiary);margin-bottom:12px;text-align:center}.sg-create-form-hint{font-size:13px;color:var(--app-text-tertiary);margin-bottom:28px}.sg-create-form-title{font-size:18px;font-weight:700;margin-bottom:6px}.sg-create-layout{display:flex;gap:48px;padding:48px 36px;max-width:1200px;margin:0 auto;align-items:flex-start}.sg-book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:32px 24px;perspective:800px}.sg-book-card{cursor:pointer;transition:transform .4s cubic-bezier(.34,1.56,.64,1)}.sg-book-card:hover{transform:translateY(-12px)}.sg-book-card:hover .sg-book-cover{box-shadow:6px 6px 20px #00000040,12px 12px 40px #00000026,inset 4px 0 8px #0003}.sg-book-card:hover .sg-book-shadow{opacity:.6;transform:scale(1.05) translateY(4px)}.sg-book-card:hover .sg-book-actions{opacity:1}.sg-book-cover{position:relative;width:100%;aspect-ratio:5/7;border-radius:2px 8px 8px 2px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:28px 20px 22px 24px;box-shadow:4px 4px 12px #0003,8px 8px 24px #0000001a,inset 3px 0 6px #00000026;transition:box-shadow .4s ease}.sg-book-cover:before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;background:linear-gradient(90deg,#0000004d,#0000001a 40%,#ffffff0d 60%,#00000014);z-index:5}.sg-book-cover:after{content:"";position:absolute;top:0;right:0;width:50%;height:100%;background:linear-gradient(135deg,#fff0,#ffffff08,#ffffff14);z-index:4;pointer-events:none}.sg-book-deco{position:absolute;bottom:0;right:0;width:100%;height:45%;z-index:1;pointer-events:none}.sg-book-divider{width:36px;height:2px;background:#ffffff80;border-radius:1px;margin:0 0 0 -2px}.sg-book-subject{font-size:10px;font-weight:700;color:#fffc;z-index:3}.sg-book-title-area{z-index:3;flex:1;display:flex;flex-direction:column;justify-content:center;padding:8px 0}.sg-book-name{font-size:17px;font-weight:800;color:#fff;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 2px 4px rgba(0,0,0,.3);word-break:break-all}.sg-book-bottom{z-index:3}.sg-book-grade{font-size:12px;color:#ffffffbf;font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.2)}.sg-book-meta{font-size:11px;color:#ffffff8c;margin-top:3px;text-shadow:0 1px 2px rgba(0,0,0,.2)}.sg-book-shadow{position:absolute;bottom:-8px;left:10%;width:80%;height:16px;background:radial-gradient(ellipse at center,rgba(0,0,0,.25) 0%,transparent 70%);border-radius:50%;transition:all .4s cubic-bezier(.34,1.56,.64,1);opacity:.4}.sg-book-info{margin-top:12px;display:flex;align-items:center;justify-content:space-between;padding:0 2px}.sg-book-date{font-size:11px;color:var(--app-text-tertiary)}.sg-book-actions{opacity:0;display:flex;gap:2px;transition:opacity .2s}.sg-book-action-btn{width:26px;height:26px;border-radius:6px;border:none;background:#fff;color:var(--app-text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:13px;transition:all .1s;box-shadow:0 1px 3px #00000014}.sg-book-action-btn:hover{background:var(--app-color-primary);color:#fff}.sg-cover-math{background:linear-gradient(155deg,#2d3578,#454daa 35%,#5b6abf 65%,#7b85d0)}.sg-cover-math .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Cpath d='M0 150 Q37.5 100 75 150 T150 150 T225 150 T300 150 V200 H0Z' fill='rgba(255,255,255,0.06)'/%3E%3Cpath d='M0 165 Q37.5 130 75 165 T150 165 T225 165 T300 165 V200 H0Z' fill='rgba(255,255,255,0.04)'/%3E%3Ccircle cx='250' cy='60' r='35' stroke='rgba(255,255,255,0.06)' stroke-width='1' fill='none'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-cover-physics{background:linear-gradient(155deg,#92400e,#b45309,#d97706 60%,#f59e0b)}.sg-cover-physics .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Ccircle cx='240' cy='70' r='45' stroke='rgba(255,255,255,0.07)' stroke-width='1.5' fill='none'/%3E%3Cellipse cx='240' cy='70' rx='45' ry='18' stroke='rgba(255,255,255,0.06)' stroke-width='1' fill='none' transform='rotate(-30 240 70)'/%3E%3Cellipse cx='240' cy='70' rx='45' ry='18' stroke='rgba(255,255,255,0.06)' stroke-width='1' fill='none' transform='rotate(30 240 70)'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-cover-chemistry{background:linear-gradient(155deg,#831843,#9d174d 30%,#db2777,#ec4899)}.sg-cover-chemistry .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Ccircle cx='100' cy='80' r='16' stroke='rgba(255,255,255,0.08)' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='160' cy='55' r='16' stroke='rgba(255,255,255,0.08)' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='220' cy='80' r='16' stroke='rgba(255,255,255,0.08)' stroke-width='1.5' fill='none'/%3E%3Cline x1='114' y1='73' x2='146' y2='62' stroke='rgba(255,255,255,0.06)' stroke-width='1.5'/%3E%3Cline x1='174' y1='62' x2='206' y2='73' stroke='rgba(255,255,255,0.06)' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-cover-english{background:linear-gradient(155deg,#4c1d95,#5b21b6 30%,#7c3aed,#8b5cf6)}.sg-cover-english .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Ctext x='180' y='80' font-size='72' font-weight='800' fill='rgba(255,255,255,0.06)' font-family='Georgia,serif'%3EA%3C/text%3E%3Ctext x='220' y='120' font-size='54' font-weight='800' fill='rgba(255,255,255,0.04)' font-family='Georgia,serif'%3EB%3C/text%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-cover-biology{background:linear-gradient(155deg,#064e3b,#047857 30%,#059669,#10b981)}.sg-cover-biology .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Cpath d='M150 180 C150 140 120 110 100 80 C80 50 100 30 120 20' stroke='rgba(255,255,255,0.08)' stroke-width='2' fill='none'/%3E%3Cpath d='M150 150 C140 130 110 120 90 110' stroke='rgba(255,255,255,0.06)' stroke-width='1.5' fill='none'/%3E%3Cpath d='M150 120 C160 100 185 90 200 75' stroke='rgba(255,255,255,0.06)' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-cover-chinese{background:linear-gradient(155deg,#7c2d12,#9a3412 30%,#c2410c,#ea580c)}.sg-cover-chinese .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Crect x='60' y='50' width='60' height='80' rx='2' stroke='rgba(255,255,255,0.06)' stroke-width='1.5' fill='none'/%3E%3Cline x1='70' y1='70' x2='110' y2='70' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3Cline x1='70' y1='85' x2='110' y2='85' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3Cpath d='M180 50 C200 70 200 100 180 120 C160 100 160 70 180 50Z' fill='rgba(255,255,255,0.04)'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-cover-default{background:linear-gradient(155deg,#475569,#64748b 40%,#94a3b8)}.sg-cover-default .sg-book-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Crect x='100' y='50' width='80' height='100' rx='4' stroke='rgba(255,255,255,0.06)' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-tab-bar{display:flex;gap:0;margin-bottom:20px;border-bottom:1px solid var(--app-border)}.sg-tab-item{padding:10px 24px;font-size:14px;font-weight:500;color:var(--app-text-tertiary);cursor:pointer;border:none;background:none;font-family:inherit;position:relative;transition:color .15s}.sg-tab-item:hover{color:var(--app-color-primary)}.sg-tab-item.active{color:var(--app-color-primary);font-weight:600}.sg-tab-item.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--app-color-primary);border-radius:1px}.sg-create-preview-cover{position:relative;width:100%;aspect-ratio:5/7;border-radius:2px 10px 10px 2px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:28px 20px 22px 24px;box-shadow:4px 4px 12px #0003,8px 8px 24px #0000001a,inset 3px 0 6px #00000026}.sg-create-preview-cover:before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;background:linear-gradient(90deg,#0000004d,#0000001a 40%,#ffffff0d 60%,#00000014);z-index:5}.sg-create-preview-cover:after{content:"";position:absolute;top:0;right:0;width:50%;height:100%;background:linear-gradient(135deg,#fff0,#ffffff08,#ffffff14);z-index:4;pointer-events:none}.sg-create-preview-deco{position:absolute;bottom:0;right:0;width:100%;height:45%;z-index:1;pointer-events:none}.sg-create-preview-divider{width:36px;height:2px;background:#ffffff80;border-radius:1px;margin:0 0 0 -2px}.sg-create-preview-subject{font-size:10px;font-weight:700;color:#fffc;letter-spacing:3px;z-index:3}.sg-create-preview-title-area{z-index:3;flex:1;display:flex;flex-direction:column;justify-content:center;padding:8px 0}.sg-create-preview-name{font-size:20px;font-weight:800;color:#fff;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 2px 4px rgba(0,0,0,.3);word-break:break-all}.sg-create-preview-bottom{z-index:3}.sg-create-preview-grade{font-size:13px;color:#ffffffbf;font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.2)}.sg-create-preview-shadow{position:absolute;bottom:-10px;left:12%;width:76%;height:18px;background:radial-gradient(ellipse at center,rgba(0,0,0,.2) 0%,transparent 70%);border-radius:50%;opacity:.5}.sg-create-cover-math{background:linear-gradient(155deg,#2d3578,#454daa 35%,#5b6abf 65%,#7b85d0)}.sg-create-cover-math .sg-create-preview-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Cpath d='M0 150 Q37.5 100 75 150 T150 150 T225 150 T300 150 V200 H0Z' fill='rgba(255,255,255,0.06)'/%3E%3Cpath d='M0 165 Q37.5 130 75 165 T150 165 T225 165 T300 165 V200 H0Z' fill='rgba(255,255,255,0.04)'/%3E%3Ccircle cx='250' cy='60' r='35' stroke='rgba(255,255,255,0.06)' stroke-width='1' fill='none'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-create-cover-physics{background:linear-gradient(155deg,#92400e,#b45309,#d97706 60%,#f59e0b)}.sg-create-cover-physics .sg-create-preview-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Ccircle cx='240' cy='70' r='45' stroke='rgba(255,255,255,0.07)' stroke-width='1.5' fill='none'/%3E%3Cellipse cx='240' cy='70' rx='45' ry='18' stroke='rgba(255,255,255,0.06)' stroke-width='1' fill='none' transform='rotate(-30 240 70)'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-create-cover-chemistry{background:linear-gradient(155deg,#831843,#9d174d 30%,#db2777,#ec4899)}.sg-create-cover-chemistry .sg-create-preview-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Ccircle cx='100' cy='80' r='16' stroke='rgba(255,255,255,0.08)' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='160' cy='55' r='16' stroke='rgba(255,255,255,0.08)' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='220' cy='80' r='16' stroke='rgba(255,255,255,0.08)' stroke-width='1.5' fill='none'/%3E%3Cline x1='114' y1='73' x2='146' y2='62' stroke='rgba(255,255,255,0.06)' stroke-width='1.5'/%3E%3Cline x1='174' y1='62' x2='206' y2='73' stroke='rgba(255,255,255,0.06)' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-create-cover-english{background:linear-gradient(155deg,#4c1d95,#5b21b6 30%,#7c3aed,#8b5cf6)}.sg-create-cover-english .sg-create-preview-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Ctext x='180' y='80' font-size='72' font-weight='800' fill='rgba(255,255,255,0.06)' font-family='Georgia,serif'%3EA%3C/text%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-create-cover-biology{background:linear-gradient(155deg,#064e3b,#047857 30%,#059669,#10b981)}.sg-create-cover-biology .sg-create-preview-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Cpath d='M150 180 C150 140 120 110 100 80 C80 50 100 30 120 20' stroke='rgba(255,255,255,0.08)' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-create-cover-chinese{background:linear-gradient(155deg,#7c2d12,#9a3412 30%,#c2410c,#ea580c)}.sg-create-cover-chinese .sg-create-preview-deco{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200'%3E%3Crect x='60' y='50' width='60' height='80' rx='2' stroke='rgba(255,255,255,0.06)' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat bottom center / cover}.sg-create-cover-default{background:linear-gradient(155deg,#475569,#64748b 40%,#94a3b8)}.sg-create-cover-default .sg-create-preview-deco{background:none}.rich-text-editor{border:1px solid #eaeaea;border-radius:4px;background:#fff}.rich-text-editor:focus-within{border-color:#111}.toolbar{border-bottom:1px solid #eaeaea;padding:4px 8px;background:#fafaf8}.toolbar-row{display:flex;align-items:center;gap:2px;flex-wrap:wrap}.toolbar-btn{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 6px;border:1px solid transparent;border-radius:3px;background:transparent;color:#333;font-size:13px;cursor:pointer;transition:background .1s,border-color .1s;font-family:inherit}.toolbar-btn:hover:not(:disabled){background:#f0f0f0;border-color:#e0e0e0}.toolbar-btn.active{background:#e8e8e8;border-color:#ccc;color:#111}.toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.toolbar-divider{display:inline-block;width:1px;height:20px;background:#e0e0e0;margin:0 4px;vertical-align:middle}.toolbar-panel{margin-top:6px;padding:8px;border-top:1px solid #eaeaea;background:#fff}.symbol-palette{max-height:200px;overflow-y:auto}.symbol-btn{min-width:32px;height:28px;padding:0 6px;border:1px solid #eaeaea;border-radius:3px;background:#fff;color:#333;font-size:12px;cursor:pointer;font-family:"Cambria Math","Latin Modern Math",serif;transition:background .1s}.symbol-btn:hover{background:#f0f0f0;border-color:#ccc}.rich-text-editor .tiptap{padding:12px 16px;min-height:120px;outline:none;font-size:14px;line-height:1.8;color:#1f2937}.rich-text-editor .tiptap p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:#adb5bd;pointer-events:none;height:0}.rich-text-editor .tiptap img{max-width:100%;height:auto;border-radius:2px}.rich-text-editor .tiptap img.ProseMirror-selectednode{outline:2px solid #5b8cbe;outline-offset:2px}.rich-text-editor .tiptap [data-blank]{display:inline-flex;align-items:center;border-bottom:2px solid #9ca3af;min-width:60px;padding:0 4px;margin:0 2px}.rich-text-editor .tiptap .ProseMirror-selectednode [data-blank]{border-color:#111;background:#fffbe6}math-field{--keyboard-selection-background: #f0efec;--keyboard-selection-color: #111;--keyboard-background: #fafaf8;--keyboard-toolbar-background: #f0efec}math-field::part(container){border-radius:4px}.homework-manage{padding:0}.homework-manage .page-header{margin-bottom:24px}.homework-manage .page-header .ant-typography{margin-bottom:0}.homework-manage .page-header .title-icon{margin-right:8px}.homework-manage .stats-row{margin-bottom:24px}.homework-manage .stats-row .stats-card{border-radius:var(--app-radius-lg, 8px);border:1px solid var(--app-border, #e5e7eb);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));transition:border-color .2s}.homework-manage .stats-row .stats-card:hover{border-color:var(--app-color-primary, #5b6abf)}.homework-manage .stats-row .stats-card .ant-statistic-title{font-size:14px;color:var(--app-text-secondary, #667085)}.homework-manage .stats-row .stats-card .ant-statistic-content{font-size:28px}.homework-manage .stats-row .stats-card--primary .ant-statistic-content{color:var(--app-color-primary, #5b6abf)}.homework-manage .stats-row .stats-card--success .ant-statistic-content{color:var(--app-color-success)}.homework-manage .stats-row .stats-card--warning .ant-statistic-content{color:var(--app-color-warning)}.homework-manage .stats-row .stats-card--muted .ant-statistic-content{color:var(--app-text-tertiary, #98a2b3)}.homework-manage .homework-list{min-height:400px}.homework-manage .pagination-container{margin-top:24px;text-align:center;padding:16px 0}.homework-card{border-radius:var(--app-radius-lg, 8px);overflow:hidden;transition:border-color .2s;border:1px solid var(--app-border, #e5e7eb);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));background:var(--app-bg-container, #fff)}.homework-card:hover{border-color:var(--app-color-primary, #5b6abf);box-shadow:var(--app-shadow-elevated, 0 8px 24px rgba(16, 24, 40, .12))}.homework-card .ant-card-body{padding:20px}.homework-card .ant-card-actions{border-top:1px solid var(--app-border-light, #f0f2f5);background:var(--app-bg-subtle, #fafafa)}.homework-card .ant-card-actions>li{margin:8px 0}.homework-card .ant-card-actions>li .ant-btn{color:var(--app-text-secondary, #667085)}.homework-card .ant-card-actions>li .ant-btn:hover{color:var(--app-color-primary, #5b6abf)}.homework-card .homework-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.homework-card .homework-card-header .homework-title{margin:0;flex:1;color:var(--app-text-primary, #1f2937);font-weight:600}.homework-card .homework-card-info{margin-bottom:16px;color:var(--app-text-secondary, #667085);font-size:13px}.homework-card .homework-card-info .anticon{color:var(--app-text-tertiary, #98a2b3)}.homework-card .homework-card-progress{margin-bottom:16px}.homework-card .homework-card-progress .progress-header{display:flex;justify-content:space-between;margin-bottom:8px}.homework-card .homework-card-progress .ant-progress-text{font-size:12px}.homework-card .homework-card-actions{margin-bottom:12px;display:flex;gap:8px;flex-wrap:wrap}.homework-card .homework-card-footer .time-info{display:flex;align-items:center;padding:8px 12px;background:#f6ffed;border-radius:8px;color:var(--app-color-success);font-size:13px}.homework-card .homework-card-footer .time-info.urgent{background:#fff2e8;color:#fa541c}.homework-card .homework-card-footer .time-info.ended{background:var(--app-bg-subtle, #fafafa);color:var(--app-text-tertiary, #98a2b3)}@media (max-width: 1200px){.homework-manage .stats-row .stats-card{margin-bottom:16px}}@media (max-width: 768px){.homework-manage .page-header{text-align:center}.homework-manage .homework-card .homework-card-header{flex-direction:column}.homework-manage .homework-card .homework-card-header .ant-tag{margin-top:8px;align-self:flex-start}}.submission-stats{padding:16px 24px}.submission-stats__header{display:flex;align-items:center;margin-bottom:16px;gap:12px}.submission-stats__title{margin:0;font-size:18px;font-weight:600;color:var(--app-text-primary, #1f2937)}.submission-stats__exception-button{margin-left:auto}.submission-stats__filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.submission-stats__filter-chip{padding:4px 16px;border-radius:16px;cursor:pointer;font-size:13px;transition:background .2s,color .2s;background:var(--app-border-light, #f0f2f5);color:var(--app-text-secondary, #667085);font-weight:400}.submission-stats__filter-chip--active{background:var(--app-color-primary, #5b6abf);color:#fff;font-weight:500}.submission-stats__summary{display:flex;gap:16px;margin-bottom:16px;align-items:center}.submission-stats__rate-card{min-width:120px;text-align:center}.submission-stats__rate-value{font-size:28px;font-weight:700}.submission-stats__rate-value--good{color:var(--app-color-success)}.submission-stats__rate-value--warn{color:var(--app-color-warning)}.submission-stats__rate-value--bad{color:var(--app-color-error)}.submission-stats__rate-label{color:var(--app-text-secondary, #667085);font-size:12px}.submission-stats__detail-card{flex:1}.submission-stats__detail-row{display:flex;gap:24px;margin-top:8px;font-size:13px;color:var(--app-text-secondary, #667085)}.submission-stats__detail-value--success{color:var(--app-color-success);font-weight:600}.submission-stats__detail-value--primary{color:var(--app-color-primary, #5b6abf);font-weight:600}.submission-stats__detail-value--error{color:var(--app-color-error);font-weight:600}.submission-stats__class-card{margin-bottom:12px}.submission-stats__student-grid{display:flex;flex-wrap:wrap;gap:8px}.submission-stats__student-chip{position:relative;width:64px;height:56px;border-radius:8px;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--app-border, #e5e7eb)}.submission-stats__student-chip--submitted,.submission-stats__student-chip--graded{background:#f6ffed;border-color:#b7eb8f}.submission-stats__student-chip--late{background:#fff7e6;border-color:#ffe58f}.submission-stats__student-chip--in-progress{background:#f0f5ff;border-color:var(--app-border, #e5e7eb)}.submission-stats__student-chip--assigned{background:var(--app-bg-subtle, #fafafa);border-color:var(--app-border, #e5e7eb)}.submission-stats__student-name{font-size:13px;font-weight:500;color:var(--app-text-primary, #1f2937)}.submission-stats__check-icon{position:absolute;bottom:3px;right:3px;font-size:12px}.submission-stats__check-icon--success{color:var(--app-color-success)}.submission-stats__check-icon--warning{color:var(--app-color-warning)}.submission-stats__error-text{color:var(--app-color-error);margin-bottom:8px}.submission-stats__loading{text-align:center;padding:60px}.exception-papers__layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:620px;border:1px solid var(--app-border, #e5e7eb);border-radius:10px;overflow:hidden}.exception-papers__list{background:var(--app-bg-subtle, #fafafa);border-right:1px solid var(--app-border, #e5e7eb);overflow-y:auto}.exception-papers__list-item{padding:14px 16px!important;cursor:pointer;transition:background .2s}.exception-papers__list-item--active{background:var(--app-color-primary-bg, #f0f5ff);box-shadow:inset 3px 0 0 var(--app-color-primary, #5b6abf)}.exception-papers__content{min-width:0;padding:16px}.exception-papers__image-loading{display:grid;place-items:center;min-height:520px}.manual-marker{display:flex;flex-direction:column;gap:12px}.manual-marker__toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px}.manual-marker__viewport{height:500px;overflow:auto;background:var(--app-bg-subtle, #fafafa);border:1px solid var(--app-border, #e5e7eb);border-radius:8px}.manual-marker__canvas{position:relative;min-width:100%;cursor:crosshair;margin:0 auto}.manual-marker__canvas img{display:block;width:100%;height:auto;-webkit-user-select:none;user-select:none}.manual-marker__zone{position:absolute;width:35%;height:35%;padding:8px;border:1px dashed rgb(91 106 191 / 38%);color:#ffffffd9;font-size:12px;text-shadow:0 1px 3px rgb(0 0 0 / 70%);pointer-events:none}.manual-marker__zone--active{border:2px solid var(--app-color-primary, #5b6abf);background:#5b6abf1a}.manual-marker__zone--tl{left:0;top:0}.manual-marker__zone--tr{right:0;top:0;text-align:right}.manual-marker__zone--br{right:0;bottom:0;text-align:right;display:flex;align-items:flex-end;justify-content:flex-end}.manual-marker__zone--bl{left:0;bottom:0;display:flex;align-items:flex-end}.manual-marker__point{position:absolute;width:30px;height:30px;transform:translate(-50%,-50%);border:3px solid #fff;border-radius:50%;background:var(--app-color-primary, #5b6abf);color:#fff;font-weight:700;box-shadow:0 2px 10px #00000059;cursor:grab}.manual-marker__hint{color:var(--app-text-secondary, #667085);font-size:13px}.exception-papers__identity{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:20px}.exception-papers__identity-form{display:flex;flex-direction:column;gap:24px;padding:12px}.answer-sheet-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-height:530px;overflow:auto}.answer-sheet-preview__page{display:flex;flex-direction:column;gap:6px}.answer-sheet-preview__page .ant-image{border:1px solid var(--app-border, #e5e7eb);border-radius:6px;overflow:hidden}.answer-sheet-preview__loading{display:grid;min-height:420px;place-items:center}.exception-papers__page-picker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.exception-papers__identity-action{text-align:right}@media (max-width: 860px){.exception-papers__layout{grid-template-columns:1fr}.exception-papers__list{max-height:180px;border-right:0;border-bottom:1px solid var(--app-border, #e5e7eb)}.manual-marker__toolbar{align-items:stretch;flex-direction:column}.exception-papers__identity{grid-template-columns:1fr}}.review-panel{padding:0}.review-panel__stats{margin-bottom:16px}.review-panel__stats .ant-statistic-title{color:var(--app-text-secondary, #667085);font-size:13px}.review-panel__stats-value--pending{color:var(--app-color-warning)}.review-panel__toolbar{margin-bottom:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.review-panel__scoring-block{margin-top:8px;padding:10px;background:var(--app-bg-container, #fff);border:1px solid var(--app-border, #e5e7eb);border-radius:var(--app-radius, 6px)}.review-panel__scoring-row{margin-bottom:6px;padding-bottom:6px;border-bottom:1px solid var(--app-border-light, #f0f2f5)}.review-panel__scoring-row:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.review-panel__correct{color:var(--app-color-success)}.review-panel__incorrect{color:var(--app-color-error)}.review-panel__ai-section{margin-top:16px;padding:12px;background:var(--app-bg-subtle, #fafafa);border:1px solid var(--app-border-light, #f0f2f5);border-radius:var(--app-radius, 6px)}.review-panel__ai-label{font-weight:600;margin-bottom:8px}.review-panel__correction-section{margin-top:16px;padding:12px;background:var(--app-bg-subtle, #fafafa);border-radius:var(--app-radius, 6px)}.review-panel__json-toggle{cursor:pointer;color:var(--app-color-primary, #5b6abf)}.review-panel__json-pre{margin-top:4px;font-size:12px;white-space:pre-wrap;word-break:break-all;background:var(--app-bg-subtle, #fafafa);padding:8px;border-radius:4px}.analysis-shell{min-height:calc(100vh - 64px);background:var(--app-bg-page)}.analysis-page{padding:0}.analysis-page__header{margin-bottom:16px}.analysis-page__title{margin:0;font-size:18px;font-weight:600;color:var(--app-text-primary, #1f2937)}.analysis-page__subtitle{margin:4px 0 0;font-size:13px;color:var(--app-text-tertiary, #98a2b3)}.analysis-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;background:var(--app-bg-container);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));padding:12px 16px}.analysis-toolbar__filters{display:flex;gap:0;align-items:center}.analysis-toolbar__actions{display:flex;align-items:center;gap:8px}.analysis-card{background:var(--app-bg-container);border-radius:14px;box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));overflow:hidden}.analysis-card__header{font-weight:600;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--app-border-light, #f0f2f5);padding:14px 20px;color:var(--app-text-primary, #1f2937)}.analysis-card__body{padding:12px 16px}.analysis-stat-grid{display:flex;gap:14px;overflow-x:auto;margin-bottom:16px;padding-bottom:4px}.analysis-stat-card{min-width:180px;flex:1 0 180px;padding:18px 20px;background:var(--app-bg-container);border-radius:14px;box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08))}.analysis-stat-card__title{font-size:15px;font-weight:600;margin-bottom:10px;color:var(--app-text-primary, #262626)}.analysis-chart-card{background:var(--app-bg-container);border-radius:14px;box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));overflow:hidden}.analysis-empty{text-align:center;padding:50px;color:var(--app-text-tertiary, #999)}.analysis-error{color:var(--app-color-error);margin-bottom:8px}.analysis-tier-list{height:300px}.analysis-tier-item{margin-bottom:16px}.analysis-risk-card{background:var(--app-bg-subtle, #fff1f0);border-color:var(--app-color-error, #ffa39e);border-radius:var(--app-radius, 6px)}.analysis-risk-card__title{font-weight:700;margin-bottom:8px;color:var(--app-color-error)}.analysis-warning-card{background:var(--app-bg-subtle, #fff7e6);border-color:var(--app-color-warning, #ffd591);border-radius:var(--app-radius, 6px)}.analysis-success-card{background:var(--app-bg-subtle, #f6ffed);border-color:var(--app-color-success, #b7eb8f);border-radius:var(--app-radius, 6px)}.analysis-success-card__title{font-weight:700;margin-bottom:8px;color:var(--app-color-success)}.analysis-info-card{background:var(--app-bg-subtle, #f0f5ff);border-color:var(--app-color-primary, #91d5ff);border-radius:var(--app-radius, 6px)}.analysis-info-card__title{font-weight:700;margin-bottom:8px;color:var(--app-color-primary)}.analysis-modal-section{background:var(--app-bg-subtle, #fafafa);border-radius:10px;padding:16px;margin-bottom:16px}.analysis-muted{color:var(--app-text-tertiary, #999);font-size:13px}.analysis-inline-meta{font-size:12px;color:var(--app-text-tertiary, #999);margin-top:4px}.analysis-student-sidebar{width:280px;min-width:280px;background:var(--app-bg-container);border-right:1px solid var(--app-border-light, #eef0f5);display:flex;flex-direction:column;box-shadow:2px 0 12px #0000000a;position:sticky;top:0;height:calc(100vh - 64px);flex-shrink:0}.analysis-student-sidebar__section{padding:12px 20px 16px;border-bottom:1px solid var(--app-border-light, #f0f0f0)}.analysis-student-sidebar__section-label{font-size:13px;font-weight:500;color:var(--app-text-secondary, #666);margin-bottom:8px}.analysis-student-sidebar__header{padding:20px 20px 16px;border-bottom:1px solid var(--app-border-light, #f0f0f0)}.analysis-student-sidebar__list{flex:1;overflow:auto;padding:8px 12px}.analysis-student-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;cursor:pointer;transition:all .2s ease}.analysis-student-item--active{background:var(--app-color-primary, #5b6abf);color:#fff;box-shadow:0 4px 12px #5b6abf59}.analysis-student-item:not(.analysis-student-item--active):hover{background:var(--app-bg-subtle, #f4f6fb)}.analysis-student-item__avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.analysis-student-item__avatar--active{background:#ffffff40}.analysis-student-item__avatar--default{background:var(--app-bg-subtle, #e0e7ff)}.analysis-student-sidebar__footer{padding:12px 20px;border-top:1px solid var(--app-border-light, #f0f0f0);font-size:12px;color:var(--app-text-tertiary, #b0b8c9);text-align:center}.analysis-student-content{flex:1;padding:20px;min-width:0}.analysis-student-profile{background:var(--app-bg-container);border-radius:16px;padding:24px 32px;margin-bottom:16px;display:flex;align-items:center;gap:20px;box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08))}.analysis-student-profile__avatar{width:64px;height:64px;border-radius:16px;background:var(--app-color-primary, #5b6abf);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:26px;font-weight:700;color:#fff}.analysis-student-profile__name{margin:0 0 6px;font-size:20px;font-weight:700;color:var(--app-text-primary, #1a1a2e)}.analysis-student-profile__meta{display:flex;gap:24px;font-size:13px;color:var(--app-text-tertiary, #8c8fa3)}.analysis-student-trend{display:flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:600}.analysis-student-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}.analysis-student-stat-item{background:var(--app-bg-container);border-radius:14px;padding:20px 24px;box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08))}.analysis-student-stat-item__label{font-size:13px;color:var(--app-text-tertiary, #8c8fa3);margin-bottom:8px}.analysis-student-stat-item__value{font-size:28px;font-weight:700}.analysis-student-chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.analysis-advice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.analysis-advice-card{border-radius:12px;padding:20px}.analysis-advice-card--risk{background:var(--app-bg-subtle, #fff5f5);border:1px solid var(--app-color-error, #ffc9c9)}.analysis-advice-card--success{background:var(--app-bg-subtle, #f0f5ff);border:1px solid var(--app-color-primary, #b5d0ff)}.analysis-advice-card--info{background:var(--app-bg-subtle, #f0fff4);border:1px solid var(--app-color-success, #95de64)}.analysis-advice-card__title{font-weight:700;margin-bottom:12px;font-size:14px;display:flex;align-items:center;gap:6px}.personal-service-shell{min-height:calc(100vh - 64px);background:var(--app-bg-page, #f5f7fb)}.ps-page{padding:0}.ps-toolbar{margin-bottom:16px;background:var(--app-bg-container, #ffffff);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));padding:12px 16px}.ps-toolbar__label{color:var(--app-text-secondary, #667085)}.ps-tab-nav{display:flex;justify-content:flex-end;align-items:center;margin-bottom:16px;border-bottom:1px solid var(--app-border-light, #f0f2f5);padding-bottom:8px;padding-right:16px}.ps-card{background:var(--app-bg-container, #ffffff);border-radius:14px;box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));overflow:hidden}.ps-card__header{padding:16px 20px;font-weight:600;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--app-border-light, #f0f2f5)}.ps-card__header-title{display:flex;align-items:center;gap:8px}.ps-card__body{padding:12px 16px}.ps-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px}.ps-stat-grid--row{display:flex;justify-content:space-around;margin-bottom:16px;padding:16px 0;background:var(--app-bg-subtle, #fafafa);border-radius:12px}.ps-stat-item{text-align:center;padding:20px 0;border-radius:12px}.ps-stat-item__value{font-size:36px;font-weight:700}.ps-stat-item__label{font-size:13px;color:var(--app-text-tertiary, #98a2b3);margin-top:6px}.ps-stat-item--primary{background:var(--app-bg-subtle, #f6f8ff)}.ps-stat-item--primary .ps-stat-item__value{color:var(--app-color-primary)}.ps-stat-item--success{background:#f6ffed}.ps-stat-item--success .ps-stat-item__value{color:var(--app-color-success)}.ps-stat-item--error{background:#fff1f0}.ps-stat-item--error .ps-stat-item__value{color:var(--app-color-error)}.ps-stat-item--warning{background:#fff7e6}.ps-stat-item--warning .ps-stat-item__value{color:var(--app-color-warning)}.ps-stat-card{text-align:center;min-width:120px}.ps-stat-card__label{font-size:13px;color:var(--app-text-tertiary, #98a2b3);margin-bottom:6px}.ps-stat-card__value{font-size:28px;font-weight:700}.ps-stat-divider{width:1px;background:var(--app-border-light, #e8e8e8)}.ps-error-item{cursor:pointer;border-radius:12px;padding:14px 18px;background:linear-gradient(135deg,#fafafa,#f0f5ff);border:1px solid var(--app-border-light, #e8e8e8);transition:box-shadow .2s}.ps-error-item__content{font-size:13px;line-height:1.6;color:var(--app-text-primary, #1f2937);margin-bottom:10px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.ps-error-item__meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.ps-error-item__score{font-size:13px;color:var(--app-color-error);font-weight:600}.ps-error-item__tags{display:flex;flex-wrap:wrap;gap:4px}.ps-error-item__link{text-align:right;margin-top:6px;font-size:12px;color:var(--app-color-primary)}.ps-chain-card{cursor:pointer;border-radius:12px;padding:14px 18px;border:1px solid var(--app-border-light, #e8e8e8);transition:box-shadow .2s}.ps-chain-card--purple{background:linear-gradient(135deg,#fafafa,#f0efff);border-color:#e8e5ff}.ps-chain-card__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.ps-chain-card__title-group{display:flex;align-items:center;gap:8px}.ps-chain-card__badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;color:#fff;font-size:12px;font-weight:700}.ps-chain-card--purple .ps-chain-card__badge{background:linear-gradient(135deg,var(--app-color-primary),#8b9cf7)}.ps-chain-card__name{font-weight:600;color:var(--app-text-primary, #1f2937)}.ps-chain-card__body{font-size:13px;color:var(--app-text-secondary, #595959);line-height:20px;margin-bottom:6px}.ps-chain-card__root-label{color:var(--app-color-primary);font-weight:500}.ps-chain-card__suggestion{font-size:12px;color:var(--app-text-tertiary);display:flex;align-items:center;gap:6px}.ps-chain-card__link{text-align:right;margin-top:8px;font-size:12px;color:var(--app-color-primary)}.ps-weak-item{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-radius:12px;background:linear-gradient(135deg,#fafafa,#fff1f0);border:1px solid #ffccc7}.ps-weak-item__left{display:flex;align-items:center;gap:10px}.ps-weak-item__badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--app-color-error);color:#fff;font-size:12px;font-weight:700}.ps-weak-item__name{font-weight:600;color:var(--app-text-primary, #262626)}.ps-weak-item__count{font-size:13px;color:var(--app-color-error);font-weight:600}.ps-suggestion-bar{border-radius:10px;padding:12px 14px;border-left:3px solid var(--app-color-warning);background:#fffbe6;font-size:13px;line-height:1.7;color:var(--app-text-secondary, #595959)}.ps-suggestion-bar__label{color:var(--app-color-warning);font-weight:600;margin-right:6px}.ps-muted{color:var(--app-text-tertiary, #98a2b3);font-size:13px}.ps-module-item{padding:14px 16px;border-radius:12px;cursor:pointer;border:1px solid var(--app-border-light, #e8e8e8);background:var(--app-bg-container, #ffffff);transition:all .2s}.ps-module-item--selected{border-color:var(--app-color-primary);background:var(--app-bg-subtle, #f6f8ff)}.ps-module-item__header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.ps-module-item__icon{font-size:16px;color:var(--app-text-tertiary)}.ps-module-item--selected .ps-module-item__icon{color:var(--app-color-primary)}.ps-module-item__title{font-weight:500;color:var(--app-text-primary, #262626);font-size:13px}.ps-module-item__check{margin-left:auto;color:var(--app-color-primary);font-size:14px}.ps-module-item__desc{font-size:12px;color:var(--app-text-tertiary)}.ps-number-grid{display:flex;align-items:center;gap:12px}.ps-number-grid__item{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:600;font-size:14px;border:1px solid var(--app-border-light, #e8e8e8);background:var(--app-bg-container, #ffffff);color:var(--app-text-secondary, #595959);transition:all .2s}.ps-number-grid__item--active{border-color:var(--app-color-primary);background:var(--app-color-primary);color:#fff}.ps-handbook-entry{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:10px;background:var(--app-bg-subtle, #fafafa);border:1px solid var(--app-border-light, #f0f0f0)}.ps-handbook-entry--latest{background:var(--app-bg-subtle, #f6f8ff);border-color:#d9e0ff}.ps-handbook-entry__title{font-size:14px;font-weight:500;color:var(--app-text-primary, #262626)}.ps-handbook-entry__meta{font-size:12px;color:var(--app-text-tertiary);margin-top:4px}.ps-knowledge-tag{margin-left:8px}.ps-knowledge-tag__rate{margin-left:8px;color:var(--app-text-tertiary, #98a2b3);font-size:12px}.ps-phase-card{margin-bottom:16px}.ps-phase-card__item-meta{font-size:12px;color:var(--app-text-tertiary, #98a2b3);margin-top:8px}.ps-phase-card__days{margin-top:16px;color:var(--app-text-secondary, #667085)}.ps-filter-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.ps-filter-bar__left,.ps-filter-bar__right{display:flex;align-items:center;gap:12px}.ps-handbook-modal__hero{text-align:center;margin-bottom:24px}.ps-handbook-modal__icon-wrap{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#5b6abf,#764ba2);margin-bottom:16px}.ps-handbook-modal__icon{font-size:28px;color:#fff}.ps-handbook-modal__title{font-size:20px;font-weight:700;color:var(--app-text-primary, #262626)}.ps-handbook-modal__subtitle{font-size:13px;color:var(--app-text-tertiary);margin-top:6px}.ps-handbook-modal__preview{background:var(--app-bg-subtle, #f6f8ff);border-radius:12px;padding:14px 18px;margin-bottom:20px;border:1px solid #e8eaff}.ps-handbook-modal__preview-label{font-size:12px;color:var(--app-text-tertiary, #8c8fa3);margin-bottom:6px}.ps-handbook-modal__preview-title{font-size:16px;font-weight:600;color:var(--app-text-primary, #262626)}.ps-section-bar--root{background:#5b6abf0f;border-radius:10px;padding:14px;margin-bottom:12px;border-left:3px solid var(--app-color-primary)}.ps-section-bar--root .ps-section-bar__title{font-weight:600;color:var(--app-color-primary);margin-bottom:6px}.ps-section-bar--suggestion{background:#faad1414;border-radius:10px;padding:14px;border-left:3px solid var(--app-color-warning)}.ps-section-bar--suggestion .ps-section-bar__title{font-weight:600;color:var(--app-color-warning);margin-bottom:6px}.ps-section-bar__content{color:var(--app-text-secondary, #595959);line-height:1.7}.ps-chain-node{padding:6px 14px;border-radius:8px;font-size:13px}.ps-chain-node--weak{background:#fff1f0;border:1px solid #ffa39e}.ps-chain-node--mastered{background:#f6ffed;border:1px solid #b7eb8f}.ps-chain-node--default{background:#f0f0f0;border:1px solid #d9d9d9}.ps-handbook-history{margin-top:20px}.ps-handbook-history__header{font-size:15px;font-weight:600;color:var(--app-text-primary, #262626);margin-bottom:12px;display:flex;align-items:center;gap:8px}.ps-handbook-history__list{display:flex;flex-direction:column;gap:8px}.ps-handbook-generate-btn{background:linear-gradient(135deg,#5b6abf,#764ba2)!important;border:none!important;border-radius:8px!important;font-weight:600!important}.ps-empty-section{padding:40px;text-align:center;color:var(--app-text-tertiary, #c0c4cc)}.ps-assessment-bar--success{background:#52c41a0f;border-radius:8px;padding:10px 14px;border-left:3px solid var(--app-color-success);line-height:1.7}.ps-assessment-bar--error{background:#ff4d4f0f;border-radius:8px;padding:10px 14px;border-left:3px solid var(--app-color-error);line-height:1.7}.ps-assessment-bar--info{background:#1677ff0d;border-radius:8px;padding:12px 14px;border:1px solid rgba(22,119,255,.15)}.ps-section-label{display:inline-block;width:4px;height:16px;border-radius:2px;margin-right:8px;vertical-align:middle}.ps-section-label--success{background:var(--app-color-success)}.ps-section-label--error{background:var(--app-color-error)}.ps-section-label--info{background:var(--app-color-info, #1677ff)}.ps-module-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.ps-two-col-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.ps-two-col-grid--sm{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.ps-two-col-grid--modal{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.ps-vertical-stack{display:flex;flex-direction:column;gap:8px}.ps-vertical-stack--lg{display:flex;flex-direction:column;gap:10px}.ps-download-link{color:var(--app-color-primary)!important}.ps-service-suggestion{background:linear-gradient(135deg,#f6f8ff,#f0efff);border-radius:12px;padding:16px 20px;margin-bottom:16px;border:1px solid #e8e5ff}.ps-service-suggestion__header{margin-bottom:12px;display:flex;align-items:center}.ps-service-suggestion__list{display:flex;flex-direction:column;gap:10px}.ps-service-suggestion__item{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#fffc;border-radius:10px;border:1px solid #e8eaff}.ps-service-suggestion__item-main{display:flex;align-items:center;gap:10px}.ps-service-suggestion__item-name{font-weight:600;font-size:14px;color:var(--app-text-primary, #262626)}.ps-service-suggestion__item-count{font-size:12px;color:var(--app-color-error)}.ps-service-suggestion__item-actions{display:flex;gap:4px}.ps-weak-actions{margin-top:12px;border-top:1px solid var(--app-border-light, #f0f2f5);padding-top:12px}.ps-weak-action-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px dashed var(--app-border-light, #f0f0f0)}.ps-weak-action-item:last-child{border-bottom:none}.ps-weak-action-item__name{font-size:13px;color:var(--app-text-primary, #262626);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ps-weak-action-item__btns{display:flex;gap:4px}.ps-chain-card__actions{display:flex;gap:4px;margin-top:8px}.publish-homework-modal .ant-modal{max-width:100%}.publish-homework-modal .ant-modal-content{padding:0;border-radius:16px;overflow:hidden;box-shadow:0 20px 60px #00000026;width:780px!important}.publish-homework-modal .ant-modal-body{padding:0}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.modal-header-left{display:flex;align-items:center;gap:16px}.modal-icon{width:48px;height:48px;background:#fff3;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}.modal-title h3{margin:0;font-size:20px;font-weight:600;color:#fff}.modal-title p{margin:4px 0 0;font-size:13px;opacity:.9}.modal-close-btn{width:36px;height:36px;border:none;background:#ffffff26;border-radius:50%;color:#fff;font-size:16px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.modal-close-btn:hover{background:#ffffff40;transform:scale(1.05)}.modal-body{padding:24px;max-height:60vh;overflow-y:auto}.form-section{margin-bottom:24px}.form-section:last-child{margin-bottom:0}.form-section-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}.form-section-icon{font-size:16px}.form-section-title{font-size:14px;font-weight:600;color:#333}.form-section-content{padding-left:24px}.name-input{border-radius:8px!important;border:2px solid #e8e8e8!important;padding:10px 14px!important;font-size:15px!important;transition:all .2s!important}.name-input:focus,.name-input:hover{border-color:#667eea!important;box-shadow:0 0 0 3px #667eea1a!important}.name-display{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border:2px solid #e8e8e8;border-radius:10px;cursor:pointer;transition:all .2s;background:#fafafa}.name-display:hover{border-color:#667eea;background:#fff}.name-display .name-text{font-size:15px;color:#333;font-weight:500}.name-display .edit-icon{color:#999;font-size:14px;transition:color .2s}.name-display:hover .edit-icon{color:#667eea}.scope-options{display:flex;flex-direction:row;gap:12px}.scope-option{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:16px 12px;border:2px solid #e8e8e8;border-radius:12px;cursor:pointer;transition:all .2s;background:#fff;flex:1;text-align:center}.scope-option:hover{border-color:#c4b5fd;background:#fafafa}.scope-option.active{border-color:#667eea;background:linear-gradient(135deg,#667eea0d,#764ba20d)}.scope-option-icon{width:36px;height:36px;background:#f0f0f0;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#666;transition:all .2s}.scope-option.active .scope-option-icon{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.scope-option-content{display:flex;flex-direction:column;align-items:center}.scope-option-label{font-size:13px;font-weight:600;color:#333}.scope-option-desc{font-size:11px;color:#999;margin-top:2px}.scope-option-check{font-size:16px;color:#667eea;position:absolute;top:8px;right:8px}.scope-option{position:relative}.class-selector{margin-top:16px;padding:16px;background:#fafafa;border-radius:12px;border:1px solid #e8e8e8}.class-selector-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:13px;font-weight:500;color:#666}.class-checkbox-group{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;width:100%}.class-checkbox{margin:0!important;padding:10px 12px!important;background:#fff;border:1px solid #e8e8e8;border-radius:8px;transition:all .2s}.class-checkbox:hover{border-color:#667eea}.class-checkbox.ant-checkbox-wrapper-checked{background:#667eea1a;border-color:#667eea}.class-checkbox .class-name{font-size:13px;font-weight:500;color:#333}.class-checkbox .class-students{font-size:11px;color:#999;margin-left:6px}.submit-options{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.submit-option{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 12px;border:2px solid #e8e8e8;border-radius:12px;cursor:pointer;transition:all .2s;background:#fff}.submit-option:hover{border-color:#c4b5fd;background:#fafafa}.submit-option.active{border-color:#667eea;background:linear-gradient(135deg,#667eea14,#764ba214)}.submit-option-icon{font-size:22px;color:#999;transition:color .2s}.submit-option.active .submit-option-icon{color:#667eea}.submit-option-label{font-size:12px;font-weight:500;color:#666}.submit-option.active .submit-option-label{color:#667eea}.sync-option{margin-top:20px;padding:14px 16px;background:#fafafa;border-radius:10px;border:1px solid #e8e8e8}.sync-option-content{display:flex;align-items:center;gap:8px}.sync-icon{color:#667eea;font-size:14px}.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:20px 24px;background:#fafafa;border-top:1px solid #e8e8e8}.cancel-btn{padding:10px 24px;border-radius:8px;font-weight:500;height:auto}.publish-btn{padding:10px 28px;border-radius:8px;font-weight:500;height:auto;background:linear-gradient(135deg,#667eea,#764ba2);border:none;box-shadow:0 4px 14px #667eea66}.publish-btn:hover{background:linear-gradient(135deg,#5a6fd6,#6a4196);box-shadow:0 6px 18px #667eea80}@media (max-width: 520px){.submit-options,.class-checkbox-group{grid-template-columns:1fr}.modal-footer{flex-direction:column}.modal-footer .ant-btn{width:100%}}.config-panel{background:#fff;border-top:1px solid #e8e8e8;font-size:13px;height:100%;overflow-y:auto}.config-header{padding:12px 16px;border-bottom:1px solid #e8e8e8;background:#fafafa;position:sticky;top:0;z-index:10}.config-select{width:100%;padding:8px 12px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px;background:#fff;cursor:pointer}.config-select:focus{border-color:#1890ff;outline:none}.config-content{padding:16px}.publish-action-top{margin:-16px -16px 16px;padding:16px;background:#fff;border-bottom:1px solid #f0f0f0}.publish-action-top .ant-btn{background:#1890ff;border:none;color:#fff;font-weight:500;font-size:14px;height:40px;border-radius:6px;transition:all .2s}.publish-action-top .ant-btn:hover{background:#40a9ff}.config-section{margin-bottom:16px}.config-section h4{margin:0 0 12px;font-size:14px;font-weight:500;color:#333}.config-section.collapsible{border:1px solid #e8e8e8;border-radius:6px;overflow:hidden}.config-section-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fafafa;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .2s}.config-section-header:hover{background:#f0f0f0}.config-section-header h4{margin:0;font-size:14px;font-weight:500;color:#333}.collapse-indicator{font-size:12px;color:#666;transition:transform .2s}.config-section-content{padding:16px;border-top:1px solid #e8e8e8;background:#fff}.config-row{display:flex;align-items:center;margin-bottom:12px}.config-row:last-child{margin-bottom:0}.config-row label{width:auto;min-width:80px;max-width:100px;color:#666;font-size:12px}.config-row input[type=text],.config-row input[type=number]{width:80px;padding:4px 8px;border:1px solid #d9d9d9;border-radius:4px;font-size:13px;text-align:right}.config-row input:focus{border-color:#1890ff;outline:none}.config-row span{margin-left:8px;color:#999;font-size:12px}.config-row.checkbox{padding:4px 0}.config-row.checkbox label{display:flex;align-items:center;gap:8px;cursor:pointer;width:auto}.config-row.checkbox input{width:auto}.config-row select{flex:1;padding:6px 8px;border:1px solid #d9d9d9;border-radius:4px;font-size:13px;background:#fff}.config-row select:focus{border-color:#1890ff;outline:none}.config-row input[type=range]{flex:1;width:auto;margin-right:8px}.config-hint{color:#999;font-size:12px;text-align:center;padding:20px 0;margin:0}.grading-mode-selector{display:flex;flex-direction:column;gap:8px}.grading-mode-option{display:flex;align-items:flex-start;padding:10px 12px;border:1px solid #d9d9d9;border-radius:6px;cursor:pointer;transition:all .2s;background:#fff}.grading-mode-option:hover{border-color:#40a9ff}.grading-mode-option.active{border-color:#1890ff;border-width:2px;background:#e6f7ff}.grading-mode-option input[type=radio]{margin-top:2px;margin-right:10px}.grading-mode-info{flex:1}.grading-mode-label{font-weight:500;color:#333;font-size:13px}.grading-mode-desc{font-size:12px;color:#666;margin-top:2px}.config-actions{margin-top:16px;padding-top:16px;border-top:1px solid #e8e8e8}.btn-reset{width:100%;padding:8px 16px;border:1px solid #d9d9d9;border-radius:4px;background:#fff;cursor:pointer;font-size:13px;color:#666;transition:all .2s}.btn-reset:hover{border-color:#1890ff;color:#1890ff}@media (max-width: 400px){.config-row label{width:100px;min-width:100px}.config-row input[type=text],.config-row input[type=number]{width:60px}}.exam-list-page{padding:0;min-height:100%;background:var(--app-bg-page)}.exam-list-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding:16px 20px;background:var(--app-bg-container);border-radius:12px;box-shadow:0 2px 8px #0000000f}.exam-list-page .page-header .header-title{display:flex;align-items:center;gap:10px}.exam-list-page .page-header .header-title .title-icon{font-size:20px;color:var(--app-color-primary)}.exam-list-page .page-header .header-title h2{margin:0;font-size:18px;font-weight:600;color:#262626}.exam-list-page .page-header .header-title .total-count{font-size:13px;color:var(--app-text-tertiary)}.exam-list-page .page-header .header-actions{display:flex;align-items:center;gap:10px}.exam-list-page .exam-card-grid{min-height:400px}.exam-card{border-radius:16px;overflow:hidden;transition:all .3s ease;border:1px solid var(--app-border);box-shadow:0 2px 12px #0000001a;background:var(--app-bg-container)}.exam-card:hover{transform:translateY(-6px);box-shadow:0 12px 24px #0000001f;border-color:#bfbfbf}.exam-card .ant-card-body{padding:20px}.exam-card .exam-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.exam-card .exam-card-header .exam-card-name{font-size:15px;font-weight:600;color:#262626;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px;line-height:1.4}.exam-card .exam-card-info{margin-bottom:16px;color:#595959;font-size:13px}.exam-card .exam-card-info .anticon{color:var(--app-text-tertiary)}.exam-card .exam-card-actions{display:flex;align-items:center;gap:4px;flex-wrap:wrap;padding-top:12px;border-top:1px solid var(--app-border-light)}.exam-card .exam-card-actions .ant-btn-link{padding:0 6px;font-size:13px;height:auto}.ant-badge-ribbon-wrapper .ant-badge-ribbon{border-radius:0 0 0 8px}@media (max-width: 1200px){.exam-list-page .exam-card-grid .ant-col{margin-bottom:0}}@media (max-width: 768px){.exam-list-page .page-header{flex-direction:column;align-items:flex-start;gap:12px}.exam-list-page .page-header .header-actions{width:100%;flex-wrap:wrap}.exam-list-page .page-header .header-actions .ant-input-affix-wrapper,.exam-list-page .page-header .header-actions .ant-select{width:100%!important}.exam-list-page .exam-card .exam-card-header{flex-direction:column}.exam-list-page .exam-card .exam-card-header .ant-space{margin-top:8px}}.exam-shell{padding:24px;min-height:100%;background:var(--app-bg-page, #f5f7fb)}.exam-stat-card{background:var(--app-bg-container, #fff);border-radius:var(--app-radius-lg, 8px);box-shadow:var(--app-shadow-card, 0 1px 3px rgba(16, 24, 40, .08));padding:16px 20px;text-align:center}.exam-stat-card__title{font-size:13px;color:var(--app-text-secondary, #667085);margin-bottom:4px}.exam-stat-card__value{font-size:24px;font-weight:600;color:var(--app-text-primary, #1f2937)}.exam-stat-card__value--warning{color:var(--app-color-warning)}.exam-stat-card__value--success{color:var(--app-color-success)}.exam-stat-card__value--info{color:var(--app-color-info)}.grading-workbench{height:100vh;display:flex;flex-direction:column;background:var(--app-bg-page)}.workbench-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--app-bg-container);box-shadow:0 2px 8px #0000000f;z-index:10}.workbench-header-actions{display:flex;gap:8px}.question-info{display:flex;align-items:center;gap:16px}.question-badge{display:inline-block;padding:4px 16px;background:linear-gradient(135deg,var(--app-color-primary),var(--app-color-primary-active));color:#fff;border-radius:20px;font-weight:600;font-size:16px}.full-score{color:var(--app-text-secondary);font-size:14px}.progress-section{display:flex;align-items:center;gap:16px}.progress-text{color:var(--app-color-primary);font-weight:500;min-width:60px}.workbench-body{flex:1;display:flex;gap:24px;padding:24px;overflow:hidden}.image-section{flex:1;display:flex;flex-direction:column;background:var(--app-bg-container);border-radius:12px;overflow:hidden;box-shadow:0 4px 12px #00000014}.image-toolbar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--app-border-light);background:var(--app-bg-subtle)}.scale-text{margin-left:auto;color:var(--app-text-secondary);font-size:12px}.image-container{flex:1;display:flex;align-items:center;justify-content:center;background:#1a1a2e;overflow:auto;padding:24px}.image-container img{max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 4px 20px #0000004d;cursor:grab}.image-container img:active{cursor:grabbing}.no-image{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--app-text-secondary);font-size:16px}.score-section{width:360px;display:flex;flex-direction:column;gap:20px;padding:24px;background:var(--app-bg-container);border-radius:12px;box-shadow:0 4px 12px #00000014}.score-display{display:flex;align-items:center;justify-content:center;gap:24px;padding:20px 0}.score-adjust-btn{width:48px!important;height:48px!important;font-size:20px!important}.score-adjust-btn.minus{background:#ff4d4f0f;border-color:#ff4d4f4d;color:var(--app-color-error)}.score-adjust-btn.minus:hover{background:#ff4d4f1f;border-color:#ff4d4f80;color:var(--app-color-error)}.score-adjust-btn.plus{background:#52c41a0f;border-color:#52c41a4d;color:var(--app-color-success)}.score-adjust-btn.plus:hover{background:#52c41a1f;border-color:#52c41a80;color:var(--app-color-success)}.current-score{text-align:center}.score-number{font-size:56px;font-weight:700;color:var(--app-color-primary);line-height:1;animation:scoreChange .3s ease-out}@keyframes scoreChange{0%{transform:scale(1.2)}to{transform:scale(1)}}.score-slash{font-size:32px;color:var(--app-border-base);margin:0 4px}.score-max{font-size:32px;color:var(--app-text-quaternary)}.score-buttons{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.score-btn{width:44px;height:44px;padding:0;font-size:16px;font-weight:500;border-radius:8px;background:var(--app-bg-subtle);border:1px solid var(--app-border-base);color:var(--app-text-primary);transition:all .2s}.score-btn:hover{background:#5b6abf0f;border-color:#5b6abf33;color:var(--app-color-primary)}.score-btn.active{background:var(--app-color-primary);border-color:var(--app-color-primary);color:#fff;transform:scale(1.1);box-shadow:0 4px 12px #5b6abf66}.quick-buttons{display:flex;gap:8px;justify-content:center}.quick-buttons .ant-btn{flex:1;border-radius:6px}.comment-section{flex:1;display:flex;flex-direction:column;gap:8px}.comment-section .ant-input{border-radius:8px}.quick-comments{display:flex;flex-wrap:wrap;gap:6px}.quick-comment{cursor:pointer;transition:all .2s}.quick-comment:hover{background:var(--app-color-primary);color:#fff;border-color:var(--app-color-primary)}.submit-btn{height:48px;font-size:16px;font-weight:500;border-radius:8px;background:linear-gradient(135deg,var(--app-color-success),var(--app-color-success-active));border:none;box-shadow:0 4px 12px #52c41a66;transition:all .3s}.submit-btn:hover{background:linear-gradient(135deg,var(--app-color-success-active),var(--app-color-success));transform:translateY(-2px);box-shadow:0 6px 16px #52c41a80}.submit-btn .shortcut{margin-left:8px;padding:2px 8px;background:#fff3;border-radius:4px;font-size:12px}.workbench-footer{padding:12px 24px;background:var(--app-bg-container);border-top:1px solid var(--app-border-light);text-align:center}.shortcut-hint{color:var(--app-text-quaternary);font-size:12px}.student-code{color:var(--app-text-quaternary);font-size:13px;padding:2px 10px;background:var(--app-bg-subtle);border-radius:4px}.history-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;z-index:100;display:flex;align-items:center;justify-content:center}.history-panel{width:800px;max-height:80vh;background:var(--app-bg-container);border-radius:12px;box-shadow:0 8px 32px #0003;display:flex;flex-direction:column;overflow:hidden}.history-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--app-border-light)}.history-header h3{margin:0;font-size:16px}.history-list{flex:1;overflow-y:auto;padding:16px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.history-item{border:1px solid var(--app-border-light);border-radius:8px;overflow:hidden;transition:box-shadow .2s}.history-item:hover{box-shadow:0 2px 8px #0000001a}.history-item-image{background:#1a1a2e;display:flex;align-items:center;justify-content:center;height:160px;overflow:hidden}.history-item-image img{max-width:100%;max-height:100%;object-fit:contain}.history-item-info{padding:12px}.history-item-score{font-size:14px;margin-bottom:4px}.history-item-score strong{color:var(--app-color-primary);font-size:18px}.history-item-comment{font-size:12px;color:var(--app-text-secondary);margin-bottom:4px;padding:4px 8px;background:var(--app-bg-subtle);border-radius:4px}.history-item-time{font-size:11px;color:var(--app-text-quaternary)}.history-empty{text-align:center;padding:40px;color:var(--app-text-tertiary)}@media (max-width: 1366px){.score-section{width:280px;padding:16px;gap:14px}.score-buttons{gap:4px}.score-btn{min-width:32px}}@media (max-width: 1024px){.score-section{width:240px;padding:12px}}.capture-page{padding:24px}.capture-page__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.capture-page__header-title{margin:0;display:flex;align-items:center;gap:8px;font-size:20px;font-weight:600;color:var(--app-text-primary)}.capture-page__header-meta{color:var(--app-text-tertiary);font-weight:400}.capture-target-card{margin-bottom:24px}.capture-target-card__label{margin-bottom:8px;color:var(--app-text-secondary)}.capture-stat-grid .ant-statistic-title{color:var(--app-text-secondary)}.capture-stat-success{color:var(--app-color-success)!important}.capture-stat-error{color:var(--app-color-error)!important}.capture-confidence-high{color:var(--app-color-success)}.capture-confidence-medium{color:var(--app-color-warning)}.capture-confidence-low{color:var(--app-color-error)}.capture-batch-success{color:var(--app-color-success)}.capture-batch-fail,.capture-error-message{color:var(--app-color-error)}.capture-muted{color:var(--app-text-tertiary)}.school-manage-page{padding:0;min-height:100%;background:#f5f7fa}.school-manage-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:16px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f}.school-manage-page .page-header .header-title{display:flex;align-items:center;gap:10px}.school-manage-page .page-header .header-title .title-icon{font-size:20px;color:#1890ff}.school-manage-page .page-header .header-title h2{margin:0;font-size:18px;font-weight:600;color:#262626}.school-manage-page .page-content{background:#fff;border-radius:8px;padding:16px 20px;box-shadow:0 1px 4px #0000000f}.school-manage-page .page-content .ant-tabs-nav{margin-bottom:16px}.school-manage-page .tab-content .tab-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.school-manage-page .tab-content .tab-header .filters{display:flex;align-items:center;gap:12px}.school-manage-page .tab-content .grade-cards-section{margin-bottom:24px}.school-manage-page .tab-content .grade-cards-section .grade-cards-header{display:flex;align-items:center;gap:16px;margin-bottom:12px}.school-manage-page .tab-content .grade-cards-section .grade-cards-header .section-label{font-size:15px;font-weight:600;color:#262626}.school-manage-page .tab-content .grade-cards-section .grade-cards-header .filters{display:flex;align-items:center;gap:12px;margin-right:auto}.school-manage-page .tab-content .grade-cards-section .grade-cards-row{display:flex;flex-wrap:wrap;gap:12px}.school-manage-page .tab-content .grade-cards-section .grade-card{position:relative;display:flex;align-items:center;justify-content:space-between;min-width:160px;padding:12px 16px;background:#fff;border:2px solid #e8e8e8;border-radius:8px;cursor:pointer;transition:all .2s ease}.school-manage-page .tab-content .grade-cards-section .grade-card:hover{border-color:#91caff;box-shadow:0 2px 8px #1890ff1f}.school-manage-page .tab-content .grade-cards-section .grade-card .grade-card-body{flex:1}.school-manage-page .tab-content .grade-cards-section .grade-card .grade-card-body .grade-card-name{font-size:15px;font-weight:600;color:#262626;margin-bottom:4px}.school-manage-page .tab-content .grade-cards-section .grade-card .grade-card-body .grade-card-count{font-size:12px;color:#8c8c8c}.school-manage-page .tab-content .grade-cards-section .grade-card .grade-card-actions{display:flex;align-items:center;opacity:0;transition:opacity .2s ease;margin-left:8px}.school-manage-page .tab-content .grade-cards-section .grade-card:hover .grade-card-actions{opacity:1}.school-manage-page .tab-content .grade-cards-section .grade-card-selected{border-color:#1677ff;background:#e6f4ff}.school-manage-page .tab-content .grade-cards-section .grade-card-selected .grade-card-name,.school-manage-page .tab-content .grade-cards-section .grade-card-selected .grade-card-count{color:#1677ff}.school-manage-page .tab-content .ant-table-wrapper .ant-table-thead>tr>th{background:#fafafa;font-weight:500}.school-manage-page .tab-content .ant-table-wrapper .ant-table-tbody>tr:hover>td{background:#e6f7ff}.school-manage-page .ant-modal-body .ant-form-item-label>label{font-weight:500}.school-manage-page .ant-empty{padding:40px 0;background:#fafafa;border-radius:8px;margin-top:16px}.school-manage-page .position-card{padding:16px;background:#fafafa;border-radius:8px;border:1px solid #f0f0f0;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}.school-manage-page .position-card .position-info{display:flex;align-items:center;gap:12px}.school-manage-page .position-card .position-info .position-name{font-size:15px;font-weight:600;color:#262626}.school-manage-page .position-card .position-info .position-desc{font-size:13px;color:#8c8c8c}.school-manage-page .position-card .position-holder{display:flex;align-items:center;gap:8px}.school-manage-page .position-card .position-holder .holder-name{font-size:14px;color:#262626}.school-manage-page .position-card .position-holder .no-holder{font-size:13px;color:#bfbfbf;font-style:italic}@media (max-width: 768px){.school-manage-page .page-header,.school-manage-page .tab-content .tab-header{flex-direction:column;align-items:flex-start;gap:12px}.school-manage-page .tab-content .tab-header .filters{width:100%;flex-wrap:wrap}.school-manage-page .tab-content .tab-header .filters .ant-select,.school-manage-page .tab-content .tab-header .filters .ant-input-affix-wrapper{width:100%!important}.school-manage-page .tab-content .grade-cards-section .grade-cards-header{flex-wrap:wrap}.school-manage-page .tab-content .grade-cards-section .grade-cards-row .grade-card{min-width:140px;flex:1 1 calc(50% - 12px)}}.class-manage-page{padding:0;min-height:100%;background:#f5f7fa}.class-manage-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:16px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f}.class-manage-page .page-header .header-title{display:flex;align-items:center;gap:10px}.class-manage-page .page-header .header-title .title-icon{font-size:20px;color:#1890ff}.class-manage-page .page-header .header-title h2{margin:0;font-size:18px;font-weight:600;color:#262626}.class-manage-page .page-content{background:#fff;border-radius:8px;padding:16px 20px;box-shadow:0 1px 4px #0000000f}.class-manage-page .grade-cards-section{margin-bottom:24px}.class-manage-page .grade-cards-section .grade-cards-header{display:flex;align-items:center;gap:16px;margin-bottom:12px}.class-manage-page .grade-cards-section .grade-cards-header .section-label{font-size:15px;font-weight:600;color:#262626}.class-manage-page .grade-cards-section .grade-cards-header .filters{display:flex;align-items:center;gap:12px;margin-right:auto}.class-manage-page .grade-cards-section .grade-cards-row{display:flex;flex-wrap:wrap;gap:12px}.class-manage-page .grade-cards-section .grade-card{position:relative;display:flex;align-items:center;justify-content:space-between;min-width:160px;padding:12px 16px;background:#fff;border:2px solid #e8e8e8;border-radius:8px;cursor:pointer;transition:all .2s ease}.class-manage-page .grade-cards-section .grade-card:hover{border-color:#91caff;box-shadow:0 2px 8px #1890ff1f}.class-manage-page .grade-cards-section .grade-card .grade-card-body{flex:1}.class-manage-page .grade-cards-section .grade-card .grade-card-body .grade-card-name{font-size:15px;font-weight:600;color:#262626;margin-bottom:4px}.class-manage-page .grade-cards-section .grade-card .grade-card-body .grade-card-count{font-size:12px;color:#8c8c8c}.class-manage-page .grade-cards-section .grade-card .grade-card-actions{display:flex;align-items:center;opacity:0;transition:opacity .2s ease;margin-left:8px}.class-manage-page .grade-cards-section .grade-card:hover .grade-card-actions{opacity:1}.class-manage-page .grade-cards-section .grade-card-selected{border-color:#1677ff;background:#e6f4ff}.class-manage-page .grade-cards-section .grade-card-selected .grade-card-name,.class-manage-page .grade-cards-section .grade-card-selected .grade-card-count{color:#1677ff}.class-manage-page .class-table-section{margin-top:8px;padding-top:20px;border-top:1px solid #f0f0f0}.class-manage-page .class-table-section .class-table-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.class-manage-page .class-table-section .class-table-header .section-label{font-size:15px;font-weight:600;color:#262626}.class-manage-page .ant-table-wrapper .ant-table-thead>tr>th{background:#fafafa;font-weight:500}.class-manage-page .ant-table-wrapper .ant-table-tbody>tr:hover>td{background:#e6f7ff}.class-manage-page .ant-modal-body .ant-form-item-label>label{font-weight:500}.class-manage-page .ant-empty{padding:40px 0;background:#fafafa;border-radius:8px;margin-top:16px}@media (max-width: 768px){.class-manage-page .page-header{flex-direction:column;align-items:flex-start;gap:12px}.class-manage-page .grade-cards-section .grade-cards-header{flex-wrap:wrap}.class-manage-page .grade-cards-section .grade-cards-row .grade-card{min-width:140px;flex:1 1 calc(50% - 12px)}}.student-manage-page{padding:0;min-height:100%;background:#f5f7fa}.student-manage-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:16px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f}.student-manage-page .page-header .header-title{display:flex;align-items:center;gap:10px}.student-manage-page .page-header .header-title .title-icon{font-size:20px;color:#1890ff}.student-manage-page .page-header .header-title h2{margin:0;font-size:18px;font-weight:600;color:#262626}.student-manage-page .filter-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:14px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f;flex-wrap:wrap;gap:12px}.student-manage-page .ant-table-wrapper{background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f;overflow:hidden}.student-manage-page .ant-table-thead>tr>th{background:#fafbfc;font-weight:600;font-size:13px;color:#595959}.student-manage-page .ant-table-tbody>tr>td{font-size:13px}.student-manage-page .ant-table-tbody>tr:hover>td{background:#f0f7ff}.student-manage-page .result-modal-content{text-align:center}.student-manage-page .result-modal-content .result-success-icon{margin-bottom:20px}.student-manage-page .result-modal-content .result-info{text-align:left;background:#f6f8fa;border:1px solid #e8e8e8;border-radius:8px;padding:16px 20px}.student-manage-page .result-modal-content .result-info .result-row{padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px}.student-manage-page .result-modal-content .result-info .result-row:last-child{border-bottom:none}.student-manage-page .preview-summary{margin-bottom:16px;padding:12px 16px;background:#fafbfc;border-radius:6px;border:1px solid #f0f0f0}.student-manage-page .import-result-summary{display:flex;align-items:center;justify-content:center;margin-bottom:20px;padding:20px;background:#f6ffed;border:1px solid #b7eb8f;border-radius:8px}.student-manage-page .editable-cell{border:1px dashed #d9d9d9;border-radius:4px;transition:all .2s}.student-manage-page .editable-cell:hover{border-color:#1890ff;background:#f0f7ff}@media (max-width: 768px){.student-manage-page .filter-bar{flex-direction:column;align-items:flex-start}.student-manage-page .filter-bar .ant-space{width:100%;flex-wrap:wrap}.student-manage-page .filter-bar .ant-space .ant-input-affix-wrapper,.student-manage-page .filter-bar .ant-space .ant-select{width:100%!important}}.teacher-manage-page{padding:0;min-height:100%;background:#f5f7fa}.teacher-manage-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:16px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f}.teacher-manage-page .page-header .header-title{display:flex;align-items:center;gap:10px}.teacher-manage-page .page-header .header-title .title-icon{font-size:20px;color:#1890ff}.teacher-manage-page .page-header .header-title h2{margin:0;font-size:18px;font-weight:600;color:#262626}.teacher-manage-page .filter-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:14px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f;flex-wrap:wrap;gap:12px}.teacher-manage-page .ant-table-wrapper{background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f;overflow:hidden}.teacher-manage-page .ant-table-thead>tr>th{background:#fafbfc;font-weight:600;font-size:13px;color:#595959}.teacher-manage-page .ant-table-tbody>tr>td{font-size:13px}.teacher-manage-page .ant-table-tbody>tr:hover>td{background:#f0f7ff}.teacher-manage-page .result-modal-content{text-align:center}.teacher-manage-page .result-modal-content .result-success-icon{margin-bottom:20px}.teacher-manage-page .result-modal-content .result-info{text-align:left;background:#f6f8fa;border:1px solid #e8e8e8;border-radius:8px;padding:16px 20px}.teacher-manage-page .result-modal-content .result-info .result-row{padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px}.teacher-manage-page .result-modal-content .result-info .result-row:last-child{border-bottom:none}.teacher-manage-page .preview-summary{margin-bottom:16px;padding:12px 16px;background:#fafbfc;border-radius:6px;border:1px solid #f0f0f0}.teacher-manage-page .import-result-summary{display:flex;align-items:center;justify-content:center;margin-bottom:20px;padding:20px;background:#f6ffed;border:1px solid #b7eb8f;border-radius:8px}.teacher-manage-page .editable-cell{border:1px dashed #d9d9d9;border-radius:4px;transition:all .2s}.teacher-manage-page .editable-cell:hover{border-color:#1890ff;background:#f0f7ff}@media (max-width: 768px){.teacher-manage-page .filter-bar{flex-direction:column;align-items:flex-start}.teacher-manage-page .filter-bar .ant-space{width:100%;flex-wrap:wrap}.teacher-manage-page .filter-bar .ant-space .ant-input-affix-wrapper,.teacher-manage-page .filter-bar .ant-space .ant-select{width:100%!important}}.teaching-assign-page{padding:0;min-height:100%;background:#f5f7fa}.teaching-assign-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:16px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f}.teaching-assign-page .page-header .header-title{display:flex;align-items:center;gap:10px}.teaching-assign-page .page-header .header-title .title-icon{font-size:20px;color:#1890ff}.teaching-assign-page .page-header .header-title h2{margin:0;font-size:18px;font-weight:600;color:#262626}.teaching-assign-page .page-header .header-actions{display:flex;align-items:center;gap:10px}.teaching-assign-page .page-header .header-actions .grade-select{width:180px}.teaching-assign-page .page-header .header-actions .year-select{width:190px}.teaching-assign-page .tab-content{background:#fff;border-radius:8px;box-shadow:0 1px 4px #0000000f;padding:16px 20px}.teaching-assign-page .selector-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid #f0f0f0}.teaching-assign-page .selector-bar .selector-label{font-size:14px;font-weight:500;color:#595959;white-space:nowrap}.teaching-assign-page .assignment-table{margin-top:8px}.teaching-assign-page .assignment-table .ant-table-thead>tr>th{background:#fafafa;font-weight:600}.teaching-assign-page .matrix-toolbar{min-height:32px;margin-bottom:12px}.teaching-assign-page .matrix-table .ant-table-cell{white-space:nowrap}.teaching-assign-page .matrix-table .matrix-cell-button{max-width:128px;padding:0;overflow:hidden;text-overflow:ellipsis;text-align:left}.teaching-assign-page .batch-assignment-table .ant-table-cell{vertical-align:top}.teaching-assign-page .batch-cell{min-width:150px}.teaching-assign-page .batch-cell .ant-input{border-radius:4px}.teaching-assign-page .batch-cell.batch-cell-matched .ant-input{border-color:#52c41a;background:#f6ffed}.teaching-assign-page .batch-cell.batch-cell-missing .ant-input{border-color:#ff4d4f;background:#fff2f0}.teaching-assign-page .batch-cell.batch-cell-ambiguous .ant-input{border-color:#faad14;background:#fffbe6}.teaching-assign-page .batch-cell .batch-candidate-select{width:100%;margin-top:6px}.teaching-assign-page .batch-cell .batch-cell-error{margin-top:4px;color:#cf1322;font-size:12px;line-height:18px;white-space:normal}@media (max-width: 768px){.teaching-assign-page .page-header{flex-direction:column;align-items:flex-start;gap:12px}.teaching-assign-page .page-header .header-actions{width:100%;flex-wrap:wrap}.teaching-assign-page .page-header .header-actions .grade-select,.teaching-assign-page .page-header .header-actions .year-select,.teaching-assign-page .page-header .header-actions .ant-btn{width:100%}.teaching-assign-page .selector-bar{flex-direction:column;align-items:stretch}}.settings-page{max-width:960px;margin:0 auto}.settings-page__section{margin-bottom:24px}.settings-page__section:last-child{margin-bottom:0}.settings-page__section-title{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--app-text-primary)}.settings-page__password-form{max-width:480px}.settings-page__sessions-toolbar{display:flex;justify-content:flex-end;margin-bottom:16px}.settings-page__user-type-tag{min-width:64px;text-align:center}:root{--app-color-primary: #5b6abf;--app-color-primary-hover: #6f7bd1;--app-color-primary-active: #4d5aa8;--app-color-success: #52c41a;--app-color-warning: #faad14;--app-color-error: #ff4d4f;--app-color-info: #1677ff;--app-text-primary: #1f2937;--app-text-secondary: #667085;--app-text-tertiary: #98a2b3;--app-border: #e5e7eb;--app-border-light: #f0f2f5;--app-text-quaternary: #c0c6d4;--app-border-base: #d9dee8;--app-bg-page: #f5f7fb;--app-bg-container: #ffffff;--app-bg-subtle: #fafafa;--app-radius: 6px;--app-radius-lg: 8px;--app-shadow-card: 0 1px 3px rgba(16, 24, 40, .08);--app-shadow-elevated: 0 8px 24px rgba(16, 24, 40, .12);--paper-text: #2c2825;--paper-text-muted: #5a5450;--paper-accent: #c0615a;--paper-accent-muted: #8b7355;--paper-border: #c4b89a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100vh}.math-content{line-height:1.8;display:inline}.math-content .katex{font-size:1.05em}.math-content .katex-display{margin:8px 0;overflow-x:auto;overflow-y:hidden}.math-content .katex-display>.katex{text-align:left}.answer-sheet-preview .math-content{line-height:1.6}.answer-sheet-preview .math-content .katex{font-size:1em}@font-face{font-family:SourceHanSerifSC;src:url(/fonts/SourceHanSerifSC-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:SourceHanSerifSC;src:url(/fonts/SourceHanSerifSC-Bold.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:SourceHanSansSC;src:url(/fonts/SourceHanSansSC-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:SourceHanSansSC;src:url(/fonts/SourceHanSansSC-Bold.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}:root{--font-serif: "SourceHanSerifSC", "SimSun", "Songti SC", "STSong", serif;--font-sans: "SourceHanSansSC", "SimHei", "STHeiti", "PingFang SC", sans-serif}
