@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.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;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.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;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.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:.833333em}.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:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.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:1.66667em}.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:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.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:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.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:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.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:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.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:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.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:.416667em}.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:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.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:.833333em}.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:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.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:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.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:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.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:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.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:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.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{width:.12em;display:inline-block}.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{min-width:1px;display:inline-block}.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;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.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{box-sizing:border-box;border:.04em solid}.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{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;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{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.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{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
:root{--ink:#081525;--navy:#10233c;--paper:#f5f3ee;--sheet:#fffdf8;--surface:#fff;--text:#0c1b2e;--muted:#5f6b78;--line:#0c1b2e1f;--line-strong:#0c1b2e38;--gold:#b8934a;--gold-strong:#765314;--gold-soft:#f3ead8;--teal:#0d6f66;--sapphire:#1e50a0;--amber:#8a5b12;--danger:#b5352b;--success:#246b4f;--teal-soft:#e7f2f0;--blue-soft:#e9eef8;--amber-soft:#f5ecdc;--danger-soft:#f9e9e7;--success-soft:#e8f1ec;--blue:#1e50a0;--blue-deep:#10233c;--red:#b5352b;--green:#246b4f;--r-sm:2px;--r:4px;--r-md:6px;--motion-fast:.15s;--motion-base:.22s;--motion-data:.45s;--ease-standard:cubic-bezier(.2, .7, .2, 1);--content-max:1100px;--font-sans:"PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;--font-display:Georgia, "Songti SC", "STSong", serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--shadow:0 18px 45px #1d2b4417}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--ink);background:var(--paper);font-family:var(--font-sans);margin:0}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,[role=button]:focus-visible,[tabindex]:focus-visible{outline-offset:2px;outline:3px solid #1e50a057}.eyebrow{color:var(--gold-strong);font:700 11px/1.3 var(--font-sans);letter-spacing:.14em;text-transform:uppercase;margin:0 0 8px}.brand-lockup{letter-spacing:.1em;flex-direction:column;gap:1px;line-height:1;display:inline-flex}.brand-lockup span{color:var(--blue-deep);font:800 21px/1 var(--font-display)}.brand-lockup small{color:var(--muted);font:700 8px/1 var(--font-sans);letter-spacing:.28em}.brand-lockup--dark span{color:var(--blue-deep)}.form-message{color:var(--danger);background:var(--danger-soft);border-left:3px solid var(--red);margin:8px 0;padding:10px 12px;font-size:14px}.loading-page{min-height:100svh;color:var(--muted);place-content:center;gap:14px;font-size:14px;display:grid}.login-page{background:var(--sheet);grid-template-columns:minmax(360px,43%) 1fr;min-height:100svh;display:grid}.login-aside{color:#fff;background:radial-gradient(circle at 10% 8%,#d9a94a5c,#0000 30%),linear-gradient(155deg,#0d2448 0%,#194e8b 48%,#09254b 100%);flex-direction:column;justify-content:space-between;min-height:100svh;padding:clamp(34px,5vw,76px);display:flex;position:relative;overflow:hidden}.login-aside:after{content:"∫";color:#ffffff14;font:440px/1 var(--font-display);position:absolute;bottom:-95px;right:-20px}.login-aside__mark{width:48px;height:48px;font:25px/1 var(--font-display);border:1px solid #ffffffb3;place-items:center;display:grid}.login-aside h1{z-index:1;font:600 clamp(36px, 4vw, 62px)/1.1 var(--font-display);letter-spacing:-.035em;margin:0 0 18px;position:relative}.login-aside p:not(.eyebrow){z-index:1;color:#ffffffbd;max-width:330px;margin:0;font-size:15px;line-height:1.8;position:relative}.login-aside .eyebrow{z-index:1;color:#e5ba67;position:relative}.login-aside__rule{z-index:1;border-top:2px solid #e5ba67;width:64px;position:relative}.login-form-wrap{background:repeating-linear-gradient(0deg, #15234104 0 1px, transparent 1px 5px), var(--sheet);place-items:center;padding:40px;display:grid}.login-form{gap:19px;width:min(100%,420px);animation:.48s ease-out both form-arrive;display:grid}.login-heading{margin-top:22px}.login-heading h2{color:var(--ink);font:600 32px/1.16 var(--font-display);letter-spacing:-.025em;margin:0 0 9px}.login-heading p:last-child{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.login-footnote{color:var(--muted);margin:0;font-size:12px;line-height:1.6}@keyframes form-arrive{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.workspace{background:var(--paper);min-height:100svh}.workspace-header{border-bottom:1px solid var(--line);background:#fffdf8ed;align-items:center;gap:50px;height:74px;padding:0 clamp(22px,4vw,64px);display:flex}.user-line{color:var(--ink);align-items:center;gap:8px;margin-left:auto;font-size:13px;display:flex}.role-dot{background:var(--green);border-radius:50%;width:8px;height:8px}.role-label{color:var(--muted);font-size:12px}.workspace-shell{grid-template-columns:232px minmax(0,1fr);min-width:0;min-height:calc(100svh - 74px);display:grid}.rail{border-right:1px solid var(--line);background:#f1eee5;flex-direction:column;padding:33px 19px;display:flex}.rail-label{color:var(--muted);font:700 10px var(--font-sans);letter-spacing:.14em;text-transform:uppercase;margin:0 10px 14px}.rail-link{color:#5d687b;border-left:2px solid #0000;padding:11px 10px;font-size:14px;display:block}.rail-link--active{color:var(--blue-deep);border-color:var(--gold);background:#fffdf8a8;font-weight:700}.workspace-main{width:min(100%, var(--content-max));min-width:0;margin:0 auto;padding:52px clamp(24px,4vw,56px) 80px}.page-intro{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:40px;margin-bottom:30px;padding-bottom:22px;display:flex}.page-intro h1{max-width:600px;color:var(--ink);font:600 clamp(30px, 4vw, 48px)/1.08 var(--font-display);letter-spacing:-.04em;margin:0}.page-intro>p{max-width:280px;color:var(--muted);margin:0 0 3px;font-size:14px;line-height:1.7}.student-section-switcher{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:-24px 0 34px;padding:8px 0;display:none}.student-section-switcher__link{min-height:44px;color:var(--muted);font:700 13px/1 var(--font-sans);border-bottom:2px solid #0000;align-items:center;padding:0 14px;display:inline-flex}.student-section-switcher__link:hover{color:var(--blue-deep)}.student-section-switcher__link--active{color:var(--blue-deep);border-color:var(--gold)}.exam-section{border:1px solid var(--line);border-radius:var(--r-md);background:var(--sheet);margin:0 0 24px;padding:clamp(20px,3vw,30px)}.section-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:17px;display:flex}.section-heading h2{font:600 24px/1.2 var(--font-display);margin:0}.section-heading>span{color:var(--muted);font-size:13px}.exam-list{border-top:1px solid var(--line)}.exam-row{border-bottom:1px solid var(--line);grid-template-columns:74px minmax(0,1fr) auto;align-items:center;gap:20px;min-height:88px;transition:background .18s,transform .18s;display:grid}.exam-row:hover{background:#fffdf8d1;transform:translate(3px)}.exam-index{color:var(--blue);border-right:1px solid var(--line);font:700 12px var(--font-sans);letter-spacing:.05em;align-self:stretch;place-items:center;display:grid}.exam-copy h3{font:600 17px/1.25 var(--font-display);margin:0 0 6px}.exam-copy{overflow-wrap:anywhere;min-width:0}.exam-copy p{color:var(--muted);margin:0;font-size:13px}.exam-actions{align-items:center;gap:12px;padding-right:4px;display:flex}.status{color:var(--muted);white-space:nowrap;background:#eeece5;padding:4px 7px;font-size:11px}.status--available,.status--published,.status--ready,.status--open,.status--ready_to_release,.status--released{color:var(--success);background:var(--success-soft)}.status--in_progress,.status--scheduled{color:var(--amber);background:var(--amber-soft)}.status--review_required,.status--review_pending,.status--closed,.status--scoring,.status--expired_no_attempt,.status--withdrawn{color:var(--danger);background:var(--danger-soft)}.release-waiting{max-width:112px;color:var(--muted);text-align:right;font-size:11px;line-height:1.45}.empty-state{min-height:104px;color:var(--muted);border:1px dashed var(--line-strong);border-radius:var(--r-md);background:var(--paper);text-align:center;place-items:center;padding:24px;font-size:14px;display:grid}.practice-section{margin-top:0}.review-queue{scroll-margin-top:26px}.mistake-subsection{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);margin-top:18px;padding:18px}.mistake-subsection>div:first-child{margin-bottom:10px}.mistake-subsection h3{font:500 20px/1.25 var(--font-display);color:var(--blue-deep);margin:0}.review-row{min-height:96px}.review-loading{min-height:240px;color:var(--muted);place-content:center;gap:14px;font-size:14px;display:grid}.review-detail{gap:25px;padding:3px 0 25px;display:grid}.review-detail__header{border-bottom:1px solid var(--line);padding:21px 0 22px}.review-detail__header h2{color:var(--ink);font:600 25px/1.25 var(--font-display);margin:0 0 9px}.review-detail__header p:not(.eyebrow){color:var(--muted);margin:0 0 9px;font-size:13px}.review-detail__header small{color:var(--muted);font-size:12px;line-height:1.6}.result-breakdown{border-top:1px solid var(--line);display:grid}.result-breakdown>article{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:13px 22px;padding:17px 0;display:grid}.result-breakdown>article>div{gap:5px;display:grid}.result-breakdown b{color:var(--ink);font:600 16px/1.3 var(--font-display)}.result-breakdown span{color:var(--muted);font-size:12px;line-height:1.5}.result-breakdown strong{color:var(--blue-deep);font:600 22px/1 var(--font-display);white-space:nowrap}.result-breakdown ol{color:var(--muted);border-top:1px dashed var(--line);grid-column:1/-1;gap:7px;margin:-2px 0 0;padding:12px 0 0 20px;font-size:13px;line-height:1.55;display:grid}.result-breakdown li b{color:var(--blue-deep);font:700 12px var(--font-sans)}.mastery-note{color:var(--muted);margin:0;font-size:13px;line-height:1.65}.mastery-breakdown{border-top:1px solid var(--line);display:grid}.mastery-breakdown>article{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:7px 22px;padding:16px 0;display:grid}.mastery-breakdown>article>div{gap:5px;min-width:0;display:grid}.mastery-breakdown b{color:var(--ink);font:600 16px/1.35 var(--font-display)}.mastery-breakdown span{color:var(--muted);font-size:12px;line-height:1.5}.mastery-breakdown b,.mastery-breakdown span{overflow-wrap:anywhere}.mastery-breakdown strong{color:var(--blue-deep);font:600 21px/1 var(--font-display)}.mastery-breakdown progress{width:100%;height:7px;accent-color:var(--gold);grid-column:1/-1}.mastery-trends{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);gap:9px;margin-top:18px;padding:18px;display:grid}.mastery-trends h3{color:var(--ink);font:600 19px/1.35 var(--font-display);margin:0}.mastery-trends>div{border-top:1px solid var(--line);display:grid}.mastery-trends article{border-bottom:1px solid var(--line);gap:7px;padding:14px 0;display:grid}.mastery-trends article>div{gap:4px;display:grid}.mastery-trends b{color:var(--ink);font:600 15px/1.4 var(--font-display)}.mastery-trends span,.mastery-trends li{color:var(--muted);font-size:12px;line-height:1.55}.mastery-trends ol{gap:3px;margin:0;padding-left:20px;display:grid}.practice-recommendations{border:1px solid var(--gold);border-radius:var(--r-md);background:var(--gold-soft);gap:9px;margin-top:18px;padding:18px;display:grid}.practice-recommendations h3{color:var(--ink);font:600 19px/1.35 var(--font-display);margin:0}.practice-recommendations>div{border-top:1px solid var(--line);display:grid}.practice-recommendations article{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px 0;display:grid}.practice-recommendations article>div{gap:4px;display:grid}.practice-recommendations article b{color:var(--ink);font:600 15px/1.35 var(--font-display)}.practice-recommendations article span{color:var(--muted);font-size:12px;line-height:1.5}.practice-composer{gap:18px;padding:4px 0 22px;display:grid}.practice-composer>p{color:var(--muted);margin:0;font-size:13px;line-height:1.7}.composer-filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.composer-count{color:var(--blue-deep);font:700 12px var(--font-sans);letter-spacing:.05em}.composer-pool{border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-height:min(48svh,520px);display:grid;overflow:auto}.pool-question{border-bottom:1px solid var(--line);cursor:pointer;grid-template-columns:26px minmax(0,1fr) auto;align-items:start;gap:10px;padding:15px 4px;display:grid}.pool-question>:last-child{justify-self:end}.pool-question:last-child{border-bottom:0}.pool-question b,.pool-question small{display:block}.pool-question b{color:var(--blue-deep);margin-bottom:5px;font-size:12px}.pool-question small{color:var(--muted);font:14px/1.55 var(--font-display)}@media (max-width:600px){.pool-question{grid-template-columns:26px minmax(0,1fr)}.pool-question>:last-child{grid-column:2;justify-self:start;margin-top:2px}}.latex-text{min-width:0;color:inherit;white-space:normal}.latex-text__plain{white-space:pre-wrap}.latex-text__math{vertical-align:middle;max-width:100%;display:inline-block;overflow:auto hidden}.latex-text__math--display{max-width:100%;margin:8px 0;display:block;overflow:auto hidden}.latex-text .katex-display{margin:0}.latex-editor{gap:7px;min-width:0;display:grid}.latex-editor__preview{min-height:34px;color:var(--ink);border-left:2px solid var(--gold);font:14px/1.6 var(--font-display);background:#f7f2e6;grid-template-columns:36px minmax(0,1fr);gap:8px;padding:7px 9px;display:grid}.latex-editor__preview>span:first-child{color:var(--muted);font:700 10px/1.5 var(--font-sans);letter-spacing:.07em;text-transform:uppercase;padding-top:2px}.latex-editor__preview .latex-text{overflow-wrap:anywhere;min-width:0;max-width:100%}.latex-editor--compact{gap:5px}.latex-editor--compact .latex-editor__preview{min-height:28px;font:12px/1.45 var(--font-display);grid-template-columns:28px minmax(0,1fr);padding:5px 7px}.latex-editor--compact .latex-editor__preview>span:first-child{font-size:9px}.latex-editor__error{color:var(--red);margin:-1px 0 0;font-size:12px;line-height:1.45}.latex-editor__quick-insert{min-height:40px;color:var(--muted);border:1px solid var(--line);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:7px 10px;font-size:12px;display:flex}.latex-editor__quick-insert select{max-width:190px;min-height:32px;color:var(--ink);border:1px solid var(--line-strong);background:var(--sheet);font:inherit;border-radius:4px;padding:0 8px}.latex-editor__composer-row{align-items:stretch;gap:8px;min-width:0;display:flex}.latex-editor__composer-row .latex-editor__quick-insert{flex:auto;min-width:0}.latex-editor__formula-toggle{flex:none;min-height:40px}.latex-editor__formula-panel{border:1px solid var(--gold);background:var(--gold-soft);border-left-width:3px;gap:10px;min-width:0;padding:12px;display:grid}.latex-editor__formula-panel>div:first-child{gap:2px;display:grid}.latex-editor__formula-panel b{color:var(--ink);font:600 14px/1.35 var(--font-display)}.latex-editor__formula-panel span{color:var(--muted);font-size:12px;line-height:1.5}.latex-editor__mathfield-host{min-width:0}.latex-editor__mathfield{box-sizing:border-box;width:100%;min-height:58px;color:var(--ink);border:1px solid var(--line-strong);background:var(--sheet);--caret-color:var(--blue);--selection-background-color:#d9e8f8;--keyboard-zindex:1200;border-radius:4px;padding:10px 12px;display:block}.latex-editor__formula-actions{justify-content:flex-end;gap:8px;display:flex}.review-queue{border-top-color:var(--blue)}.attempt-page{background:#f4f1e8;min-height:100svh}.attempt-header{border-bottom:1px solid var(--line);background:#fffdf8f5;align-items:center;gap:24px;height:76px;padding:0 clamp(18px,3vw,48px);display:flex}.attempt-meta{color:var(--muted);font-size:13px}.clock{min-width:142px;color:var(--blue-deep);text-align:right;gap:2px;margin-left:auto;display:grid}.clock small{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px}.clock strong{font:700 20px/1.1 var(--font-mono)}.clock--urgent strong{color:var(--red);animation:1.2s ease-in-out infinite clock-pulse}.clock--overtime,.clock--overtime strong{color:#9a4b09}@keyframes clock-pulse{50%{opacity:.55}}.attempt-layout{grid-template-columns:118px minmax(0,760px) 210px;justify-content:center;gap:clamp(18px,3vw,38px);padding:38px clamp(18px,4vw,48px) 92px;display:grid}.attempt-nav{border-right:1px solid var(--line);align-self:start;gap:10px;padding:0 12px 14px 0;display:grid;position:sticky;top:24px}.attempt-nav .eyebrow,.attempt-nav__legend,.attempt-nav>span{margin:0}.attempt-nav__legend,.attempt-nav>span{color:var(--muted);font-size:12px;line-height:1.55}.attempt-nav__list{grid-template-columns:repeat(2,44px);gap:8px;margin:0;padding:0;list-style:none;display:grid}.attempt-nav button{width:44px;min-width:44px;height:44px;color:var(--muted);border:1px solid var(--line);cursor:pointer;background:0 0}.attempt-nav button.answered{color:#fff;border-color:var(--blue);background:var(--blue)}.attempt-nav button[aria-current=step]{outline:3px solid var(--gold);outline-offset:2px}.attempt-nav button:focus-visible,.question-sheet h2:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.attempt-main{min-width:0}.question-group{gap:12px;min-width:0;margin-bottom:34px;display:grid}.question-group__stem{color:var(--ink);padding:0 4px;font-family:Georgia,Times New Roman,serif;font-size:clamp(21px,2.3vw,31px);font-weight:600;line-height:1.45}.question-group__parts,.question-part{gap:12px;min-width:0;display:grid}.question-group .question-sheet{min-width:0;box-shadow:none;margin-bottom:0}.question-source{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--sheet);min-width:0}.question-source>summary{cursor:pointer;min-height:48px;color:var(--ink);justify-content:space-between;align-items:center;gap:16px;padding:10px 16px;list-style:none;display:flex}.question-source>summary::-webkit-details-marker{display:none}.question-source>summary:after{content:"+";color:var(--blue);flex:none;font-size:22px;line-height:1}.question-source[open]>summary:after{content:"−"}.question-source>summary:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}.question-source__summary-title{margin-top:2px;font-weight:700;display:block}.question-source__summary-meta{color:var(--muted);font-size:12px}.question-source__body{border-top:1px solid var(--line);padding:4px 16px 16px}.question-source__header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;display:flex}.question-source__header p{margin:0}.question-source__header>div>p:last-child{color:var(--muted);margin-top:3px;font-size:12px}.question-source__header .mantine-Select-root{width:118px}.question-source__viewport{border:1px solid var(--line);background:#f7f4eb;max-height:min(70svh,780px);overflow:auto}.question-source__viewport img{width:100%;height:auto;display:block}.question-sheet{box-shadow:var(--shadow);background:var(--sheet);border:1px solid #e3dfd3;margin-bottom:26px;padding:clamp(24px,4vw,38px);scroll-margin-top:26px}.question-kicker{color:var(--muted);gap:11px;font-size:12px;display:flex}.question-kicker span+span{border-left:1px solid var(--line);padding-left:11px}.question-kicker .score-readout{color:var(--green)}.question-sheet h2{font:500 21px/1.7 var(--font-display);white-space:pre-wrap;margin:18px 0 25px}.semantic-data-table{gap:9px;max-width:100%;margin:-7px 0 25px;display:grid}.semantic-data-table figcaption{color:var(--muted);gap:3px;font-size:12px;line-height:1.55;display:grid}.semantic-data-table figcaption .eyebrow{color:var(--gold-strong)}.semantic-data-table__viewport{border:1px solid var(--line-strong);background:var(--sheet);max-width:100%;overflow-x:auto}.semantic-data-table__scroll-hint{color:var(--muted);font-size:12px;line-height:1.5;display:none}.semantic-data-table table{border-collapse:collapse;width:100%;min-width:max-content;color:var(--ink);font:500 16px/1.55 var(--font-display)}.semantic-data-table th,.semantic-data-table td{border:1px solid var(--line);text-align:center;vertical-align:middle;white-space:nowrap;min-width:82px;padding:11px 14px}.semantic-data-table th{color:var(--navy);background:var(--gold-soft);font-weight:700}.semantic-data-table tbody th{color:var(--ink);background:var(--sheet);font-weight:500}.semantic-data-table th:first-child,.semantic-data-table td:first-child{text-align:left}.answer-method{border-left:3px solid var(--gold);background:var(--gold-soft);grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:8px 12px;margin:-9px 0 25px;padding:10px 12px;display:grid}.answer-method>span{color:var(--muted);font-size:12px}.answer-method>strong{color:var(--navy);font:700 14px/1.5 var(--font-sans)}.option-stack{gap:16px;max-width:640px;display:grid}.option-stack [role=radiogroup]{gap:16px;display:grid}.option-card{width:100%;min-height:64px;color:var(--ink);border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--sheet);cursor:pointer;text-align:left;padding:14px 16px}.option-card:hover:not(:disabled){border-color:var(--blue);background:#f7fbff}.option-card[data-checked]{color:var(--blue-deep);border-color:var(--blue);background:#edf6ff}.option-card:disabled{cursor:not-allowed;opacity:.62}.option-card__body{align-items:center;gap:14px;min-height:34px;display:flex}.option-card__label{min-width:0;font:500 18px/1.65 var(--font-display)}.option-card:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.subjective-text-answer,.asset-answer,.handwriting-answer{gap:14px;display:grid}.answer-mode-switch{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px 20px;padding:14px 0;display:grid}.answer-mode-switch .eyebrow{margin:0 0 4px}.answer-mode-switch p{max-width:650px;color:var(--muted);margin:0;font-size:13px;line-height:1.65}.answer-mode-switch__actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.answer-mode-switch__actions .mantine-Button-root{min-height:48px}.input-mode-icon{flex:none;width:18px;height:18px}.answer-mode-switch__notice{grid-column:1/-1;color:var(--navy)!important}.asset-answer>p,.handwriting-answer>p{max-width:650px;color:var(--muted);margin:0;font-size:13px;line-height:1.7}.asset-answer--attachment{border-top:1px solid var(--line);padding-top:16px}.asset-answer__actions{flex-wrap:wrap;gap:10px;display:flex}.asset-answer__actions .mantine-Button-root{min-height:46px}.asset-answer__permission{color:var(--muted);font-size:12px;line-height:1.55}.asset-preview{object-fit:contain;border:1px solid var(--line);background:#f7f4eb;width:min(100%,520px);max-height:380px;display:block}.asset-loading{color:var(--muted);font-size:12px;display:block}.asset-unavailable{color:#713c0a;background:#fff8eb;border:1px solid #e7bd76;border-left:4px solid #bd6b14;gap:5px;width:min(100%,520px);padding:18px 20px;display:grid}.asset-unavailable strong{font-size:14px}.asset-unavailable span{color:var(--muted);font-size:12px;line-height:1.6}.asset-safe{color:var(--green);font-size:12px}.handwriting-canvas{touch-action:none;cursor:crosshair;background:repeating-linear-gradient(0deg,#0000 0 31px,#15234117 31px 32px),#fffefa;border:1px dashed #aab4c5;width:100%;height:auto;min-height:260px}.handwriting-canvas--erasing{cursor:cell}.handwriting-tools{color:var(--muted);align-items:center;gap:12px;font-size:12px;display:flex}.handwriting-tools__status{flex:1;min-height:18px}.handwriting-keyboard{border-top:1px solid var(--line);gap:8px;padding-top:16px;display:grid}.handwriting-keyboard>p{color:var(--muted);margin:0;font-size:12px;line-height:1.6}.save-line{min-height:32px;color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;margin-top:20px;font-size:12px;display:flex}.save-error{color:var(--red)}.attempt-submit{border-left:2px solid var(--gold);flex-direction:column;align-self:start;align-items:flex-start;gap:7px;padding:22px 0 0 18px;display:flex;position:sticky;top:24px}.attempt-submit strong{font:600 36px/1 var(--font-display)}.attempt-submit>span,.attempt-submit p{color:var(--muted);font-size:12px;line-height:1.6}.attempt-submit p{margin:13px 0 8px}.submission-banner{color:#fffdf8;background:var(--blue-deep);margin-bottom:24px;padding:27px 30px}.submission-banner .eyebrow{color:#edc46f}.submission-banner h1{font:500 27px/1.2 var(--font-display);margin:0 0 8px}.submission-banner p:last-child{color:#ffffffb8;margin:0;font-size:13px}.overtime-banner{color:#66370c;background:#fff8eb;border:1px solid #edc98d;border-left:4px solid #bd6b14;border-radius:10px;margin-bottom:18px;padding:14px 16px}.overtime-banner p:last-child{margin:4px 0 0}.self-feedback{border-left:3px solid var(--gold);background:#f5f0e4;gap:9px;margin-top:18px;padding:16px;display:grid}.self-feedback p{color:var(--ink);margin:0;font-size:14px;line-height:1.65}.self-feedback .eyebrow{color:var(--gold-strong)}.self-feedback ol{color:var(--muted);gap:5px;margin:0;padding-left:20px;font-size:13px;line-height:1.55;display:grid}.self-feedback li b{color:var(--blue-deep);font:700 12px var(--font-sans)}.self-feedback small{color:var(--muted);font-size:12px;line-height:1.5}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (max-width:540px){.composer-filters{grid-template-columns:1fr}}@media (max-width:1199px){.workspace-header{gap:28px}.workspace-shell{grid-template-columns:184px minmax(0,1fr)}.attempt-layout{grid-template-columns:1fr;padding-top:24px}.attempt-nav{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px;position:static}.attempt-nav__list{grid-template-columns:repeat(auto-fit,44px)}.attempt-submit{border-left:0;border-top:2px solid var(--gold);background:#fffdf8f7;grid-template-columns:auto minmax(0,1fr) minmax(160px,220px);align-items:center;gap:8px 14px;padding:12px 16px;display:grid;position:static;box-shadow:0 -8px 22px #141e3214}.attempt-submit .eyebrow,.attempt-submit p{display:none}.attempt-submit strong{font-size:25px}.attempt-submit>span{min-width:0}.attempt-submit .mantine-Button-root{min-width:160px}}@media (max-width:540px){.section-heading{flex-direction:column;align-items:flex-start}.section-heading>.exam-actions{flex-wrap:wrap;justify-content:flex-start;width:100%}.section-heading .mantine-Button-root{min-height:44px}}@media (max-width:899px){.login-page{grid-template-columns:1fr}.login-aside{min-height:260px;padding:30px}.login-aside__mark,.login-aside__rule{display:none}.login-aside h1{font-size:35px}.login-form-wrap{min-height:calc(100svh - 260px)}.workspace-shell{grid-template-columns:1fr}.rail{display:none}.workspace-main{padding-top:38px}.student-section-switcher{overscroll-behavior-x:contain;flex-wrap:nowrap;gap:0 4px;display:flex;overflow-x:auto}.student-section-switcher__link{white-space:nowrap;flex:none}.clock{min-width:auto}}@media (max-width:540px){.login-form-wrap{padding:28px 22px}.workspace-header{height:64px;padding:0 18px}.workspace-header .user-line{font-size:12px}.workspace-header .role-label{display:none}.workspace-shell{min-height:calc(100svh - 64px)}.workspace-main{padding:31px 18px 72px}.page-intro{margin-bottom:32px;padding-bottom:22px;display:block}.page-intro h1{font-size:32px}.page-intro>p{margin-top:14px}.exam-row{grid-template-columns:43px minmax(0,1fr);gap:12px;padding:13px 0}.exam-index{border-right:0}.exam-actions{grid-column:2;justify-content:space-between;padding-right:0}.result-breakdown>article{grid-template-columns:1fr;gap:9px}.practice-recommendations article{grid-template-columns:1fr;align-items:stretch}.attempt-header{gap:12px;height:68px;padding:0 16px}.attempt-header .attempt-meta{display:none}.clock strong{font-size:16px}.attempt-layout{padding:18px 14px 30px}.question-sheet{padding:22px 18px}.question-sheet h2{font-size:18px;line-height:1.65}.semantic-data-table table{font-size:14px}.semantic-data-table th,.semantic-data-table td{min-width:0;padding:8px}.semantic-data-table__scroll-hint{display:block}.answer-method,.answer-mode-switch{grid-template-columns:1fr}.answer-mode-switch__actions{justify-content:flex-start}.latex-editor__composer-row,.latex-editor__quick-insert{flex-direction:column;align-items:stretch}.latex-editor__quick-insert select{width:100%;max-width:none}.latex-editor__formula-toggle{width:100%}.handwriting-canvas{min-height:190px}.handwriting-tools{flex-wrap:wrap;align-items:stretch}.handwriting-tools__status{flex-basis:100%}.save-line{flex-direction:column;align-items:flex-end}.attempt-submit{grid-template-columns:auto minmax(0,1fr);margin-top:2px}.attempt-submit .mantine-Button-root{grid-column:1/-1;width:100%}}