@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_AMS-Regular.a79f1c31.woff2) format("woff2"),url(/_next/static/media/KaTeX_AMS-Regular.1608a09b.woff) format("woff"),url(/_next/static/media/KaTeX_AMS-Regular.4aafdb68.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_Caligraphic-Bold.ec17d132.woff2) format("woff2"),url(/_next/static/media/KaTeX_Caligraphic-Bold.b6770918.woff) format("woff"),url(/_next/static/media/KaTeX_Caligraphic-Bold.cce5b8ec.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Caligraphic-Regular.55fac258.woff2) format("woff2"),url(/_next/static/media/KaTeX_Caligraphic-Regular.dad44a7f.woff) format("woff"),url(/_next/static/media/KaTeX_Caligraphic-Regular.07ef19e7.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_Fraktur-Bold.d42a5579.woff2) format("woff2"),url(/_next/static/media/KaTeX_Fraktur-Bold.9f256b85.woff) format("woff"),url(/_next/static/media/KaTeX_Fraktur-Bold.b18f59e1.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Fraktur-Regular.d3c882a6.woff2) format("woff2"),url(/_next/static/media/KaTeX_Fraktur-Regular.7c187121.woff) format("woff"),url(/_next/static/media/KaTeX_Fraktur-Regular.ed38e79f.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_Main-Bold.c3fb5ac2.woff2) format("woff2"),url(/_next/static/media/KaTeX_Main-Bold.d181c465.woff) format("woff"),url(/_next/static/media/KaTeX_Main-Bold.b74a1a8b.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/_next/static/media/KaTeX_Main-BoldItalic.6f2bb1df.woff2) format("woff2"),url(/_next/static/media/KaTeX_Main-BoldItalic.e3f82f9d.woff) format("woff"),url(/_next/static/media/KaTeX_Main-BoldItalic.70d8b0a5.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/_next/static/media/KaTeX_Main-Italic.8916142b.woff2) format("woff2"),url(/_next/static/media/KaTeX_Main-Italic.9024d815.woff) format("woff"),url(/_next/static/media/KaTeX_Main-Italic.47373d1e.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Main-Regular.0462f03b.woff2) format("woff2"),url(/_next/static/media/KaTeX_Main-Regular.7f51fe03.woff) format("woff"),url(/_next/static/media/KaTeX_Main-Regular.b7f8fe9b.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/_next/static/media/KaTeX_Math-BoldItalic.572d331f.woff2) format("woff2"),url(/_next/static/media/KaTeX_Math-BoldItalic.f1035d8d.woff) format("woff"),url(/_next/static/media/KaTeX_Math-BoldItalic.a879cf83.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/_next/static/media/KaTeX_Math-Italic.f28c23ac.woff2) format("woff2"),url(/_next/static/media/KaTeX_Math-Italic.5295ba48.woff) format("woff"),url(/_next/static/media/KaTeX_Math-Italic.939bc644.ttf) format("truetype")}@font-face{font-display:block;font-family:"KaTeX_SansSerif";font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_SansSerif-Bold.8c5b5494.woff2) format("woff2"),url(/_next/static/media/KaTeX_SansSerif-Bold.bf59d231.woff) format("woff"),url(/_next/static/media/KaTeX_SansSerif-Bold.94e1e8dc.ttf) format("truetype")}@font-face{font-display:block;font-family:"KaTeX_SansSerif";font-style:italic;font-weight:400;src:url(/_next/static/media/KaTeX_SansSerif-Italic.3b1e59b3.woff2) format("woff2"),url(/_next/static/media/KaTeX_SansSerif-Italic.7c9bc82b.woff) format("woff"),url(/_next/static/media/KaTeX_SansSerif-Italic.b4c20c84.ttf) format("truetype")}@font-face{font-display:block;font-family:"KaTeX_SansSerif";font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_SansSerif-Regular.ba21ed5f.woff2) format("woff2"),url(/_next/static/media/KaTeX_SansSerif-Regular.74048478.woff) format("woff"),url(/_next/static/media/KaTeX_SansSerif-Regular.d4d7ba48.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Script-Regular.03e9641d.woff2) format("woff2"),url(/_next/static/media/KaTeX_Script-Regular.07505710.woff) format("woff"),url(/_next/static/media/KaTeX_Script-Regular.fe9cbbe1.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size1-Regular.eae34984.woff2) format("woff2"),url(/_next/static/media/KaTeX_Size1-Regular.e1e279cb.woff) format("woff"),url(/_next/static/media/KaTeX_Size1-Regular.fabc004a.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size2-Regular.5916a24f.woff2) format("woff2"),url(/_next/static/media/KaTeX_Size2-Regular.57727022.woff) format("woff"),url(/_next/static/media/KaTeX_Size2-Regular.d6b476ec.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size3-Regular.b4230e7e.woff2) format("woff2"),url(/_next/static/media/KaTeX_Size3-Regular.9acaf01c.woff) format("woff"),url(/_next/static/media/KaTeX_Size3-Regular.a144ef58.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size4-Regular.10d95fd3.woff2) format("woff2"),url(/_next/static/media/KaTeX_Size4-Regular.7a996c9d.woff) format("woff"),url(/_next/static/media/KaTeX_Size4-Regular.fbccdabe.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Typewriter-Regular.a8709e36.woff2) format("woff2"),url(/_next/static/media/KaTeX_Typewriter-Regular.6258592b.woff) format("woff"),url(/_next/static/media/KaTeX_Typewriter-Regular.d97aaf4a.ttf) format("truetype")}.katex{font:normal 1.21em KaTeX_Main,math,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.18.10"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:min-content}.katex .katex-base,.katex .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 .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;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 .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .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 .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 .reflectbox{display:inline-block;transform:scaleX(-1)}.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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.acx{gap:12px}.acx,.acx-col{display:flex;flex-direction:column}.acx-col{gap:8px}.acx-between{justify-content:space-between;flex-wrap:wrap;gap:8px}.acx-g2{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.acx-faint{margin:0}.acx-faint,.acx-tiny{color:var(--ink-3);font-size:14px}.acx-tiny{margin:4px 0 0}.acx-center{text-align:center;flex-direction:column;gap:10px}.acx-center,.acx-radio{display:flex;align-items:center}.acx-radio{gap:8px;min-height:36px}.acx-skel{display:flex;flex-direction:column;gap:10px}.acx-skel>div{background:var(--line);border-radius:var(--r2);opacity:.6}.qp .qtext{font-size:1.25em;font-weight:700;line-height:1.45;margin:4px 0}.opt{display:flex;align-items:center;gap:12px;text-align:left;border:2px solid var(--line);background:#fff;border-radius:16px;padding:10px 12px;font-size:1em;font-weight:600;width:100%;min-height:56px;color:var(--ink)}.opt .L{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-weight:800;background:var(--bg);border:1.5px solid var(--line);flex:none}.opt.sel{border-color:var(--b);background:var(--b-soft)}.opt:disabled{cursor:default}.qp .progress{height:10px;background:var(--b-soft);border-radius:99px;overflow:hidden}.qp .progress i{display:block;height:100%;background:var(--g);transition:width .3s}.qt{display:inline-flex;align-items:center;gap:4px;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:8px 12px;margin:4px;font-weight:600;min-height:44px;text-align:left;color:var(--ink)}.qt:hover:not(:disabled){border-color:var(--g)}.qt.sel{border-color:var(--b);background:var(--b-soft)}.qt.used{opacity:.35}.qt:disabled{cursor:default}.qt-slot{min-height:56px;border:2px dashed var(--line);border-radius:14px;padding:4px;margin-bottom:8px;display:flex;flex-wrap:wrap;align-items:center}.qt-match{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.qt-match .qt{width:100%;margin:0;flex-wrap:wrap}.qt-pair{display:block;width:100%;font-size:.85em}.qt-blank,.qt-pair{color:var(--g-deep)}.qt-blank{display:inline-block;min-width:72px;min-height:36px;border:0;border-bottom:2.5px solid var(--g);background:none;text-align:center;font-weight:700;padding:0 6px;margin:0 2px}.qt-blank.sel{background:var(--b-soft)}.qt-buckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:8px;gap:8px;margin-top:8px}.qt-bucket{border:2px dashed var(--line);border-radius:14px;padding:8px;min-height:96px;cursor:pointer}.qt-bucket b{display:block;font-size:.9em;color:var(--ink-2);margin-bottom:4px}.qt-bucket.ready{border-color:var(--g);background:var(--g-soft)}.qt-in{font-size:1.15em!important;max-width:360px}.sent{font-size:1.1em;line-height:2.1;margin:0}.passage{background:#fff;border-left:4px solid var(--g);border-radius:10px;padding:10px 12px}.qt-table{width:auto;min-width:60%}.qt-level{display:inline-block;font-size:.85em;font-weight:700;border-radius:99px;padding:1px 10px;background:var(--sun-soft);color:var(--amber)}.qt-part{border:1.5px solid var(--line);border-radius:14px;padding:10px 12px;margin-top:10px;background:#fff}.qt-tier{font-weight:700;margin:10px 0 4px;color:var(--ink-2)}.qactions{border-top:1px solid var(--line);padding-top:14px;margin-top:4px}.qprev{border:0;background:none;color:var(--ink-2);font:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px;padding:10px 4px;min-height:44px}.qprev:disabled{visibility:hidden}.qreport{border:0;background:none;color:var(--ink-3);font:inherit;font-size:14px;padding:6px 0;text-align:left;cursor:pointer;min-height:44px}.qreport:hover{color:var(--rose)}.qreport-box{display:flex;flex-direction:column;gap:8px}.qreport-box textarea{width:100%}.qpic{display:block;max-width:min(320px,100%);max-height:240px;object-fit:contain;margin:0 auto 10px;border-radius:14px;background:#fff}.optpic{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1 1}.optpic img{width:96px;height:96px;object-fit:contain}.qsay{display:inline-grid;place-items:center;width:44px;height:44px;margin-left:8px;vertical-align:middle;border:0;border-radius:50%;background:var(--sun);color:#3a2c00;cursor:pointer}.qtrace{font-size:clamp(96px,22vw,180px);line-height:1.1;color:transparent;-webkit-text-stroke:3px #9BCBB4;font-weight:700}.acx-score{display:flex;align-items:center;gap:14px}.acx-ring{--p:0;width:72px;height:72px;flex:none;place-items:center;background:conic-gradient(var(--g) calc(var(--p)*1%),var(--line) 0)}.acx-ring,.acx-ring span{border-radius:50%;display:grid}.acx-ring span{width:56px;height:56px;background:#fff;place-items:center;font-weight:800}.ac-crumb{font-size:14px;color:var(--ink-3);margin:0 0 6px}.ac-crumb a{color:var(--b-deep)}.ac-hero{display:flex;flex-direction:column;gap:10px;margin-bottom:6px}.ac-hero p{margin:0;color:var(--ink-2)}.ac-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:10px;gap:10px}.ac-duo{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);grid-gap:16px;gap:16px;align-items:start}@media (max-width:860px){.ac-duo{grid-template-columns:minmax(0,1fr)}}.ac-tile{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:var(--r2);background:#fff;text-decoration:none;color:var(--ink);min-height:64px}.ac-tile:hover{border-color:var(--b-line)}.ac-tile.mine{border-color:var(--b);background:var(--b-soft)}.ac-tile b{display:block}.ac-tile small{display:block;color:var(--ink-3);font-size:14px}.ac-tile .grow{flex:1 1;min-width:0}.ac-cov{width:40px;height:52px;border-radius:6px;flex:none;display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px}.ac-row{display:flex;align-items:center;gap:12px;padding:12px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);min-height:56px}.ac-row:last-child{border-bottom:0}.ac-row .no{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--bg);font-weight:800;flex:none}.ac-row .grow{flex:1 1;min-width:0}.ac-row.on{background:var(--b-soft)}.ac-sec{display:flex;flex-direction:column;gap:10px}.ac-h2{font-size:18px;font-weight:800;margin:0}.ac-nav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.ac-nav a{min-height:44px;display:inline-flex;align-items:center}.ac-search{position:relative}.ac-search input{width:100%;min-height:48px}.ac-drop{position:absolute;left:0;right:0;top:calc(100% + 4px);z-index:20;background:#fff;border:1px solid var(--line);border-radius:var(--r2);box-shadow:var(--lift);padding:6px;display:flex;flex-direction:column;max-height:420px;overflow:auto}.ac-opt{display:flex;gap:10px;align-items:center;padding:8px;border-radius:10px;text-decoration:none;color:var(--ink);min-height:48px}.ac-opt.on,.ac-opt:hover{background:var(--b-soft)}.ac-opt small{display:block;color:var(--ink-3);font-size:14px}.ac-opt.all{justify-content:center;font-weight:700;color:var(--b-deep)}.ac-dot{width:10px;height:10px;border-radius:50%;flex:none;background:var(--b)}.ac-dot.s-bangla{background:#C2255C}.ac-dot.s-english{background:#6D28D9}.ac-dot.s-math{background:#3F55C9}.ac-dot.s-ict{background:#0B7285}.ac-dot.s-science{background:#0F7A66}.ac-chips{display:flex;flex-wrap:wrap;gap:6px}.ac-daily{gap:10px}.ac-daily,.ac-dlist{display:flex;flex-direction:column}.ac-dlist{list-style:none;margin:0;padding:0;gap:6px}.ac-dlist li{display:flex;align-items:center;gap:8px}.ac-week{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:4px;gap:4px}.ac-week span{display:grid;place-items:center;height:36px;border-radius:10px;background:var(--bg);font-size:14px;font-weight:700;color:var(--ink-3)}.ac-week span.done{background:var(--g-soft);color:var(--g-deep)}.ac-week span.today{outline:2px solid var(--b)}.ws-tools{display:flex;gap:6px;flex-wrap:wrap}.ws-q{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}.ws-q:last-child{border-bottom:0}.ws-q .n{font-weight:800;min-width:28px}.ws-q .body{flex:1 1;min-width:0}.ws-q .ops{gap:4px 14px;margin-top:4px;color:var(--ink-2)}.ws-q .ops,.ws-sizes{display:flex;flex-wrap:wrap}.ws-sizes{gap:6px}.ws-print{font-size:11pt;line-height:1.5;color:#111}.ws-print h2{font-size:14pt;text-align:center;margin:0}.ws-print .sub{text-align:center;margin:2px 0 10px;font-size:10pt}.ws-print ol{margin:0;padding-left:22px}.ws-print li{margin:0 0 9px;page-break-inside:avoid;break-inside:avoid}.ws-print .ops{display:flex;flex-wrap:wrap;gap:2px 16px;margin-top:2px}.ws-print .line{border-bottom:1px solid #999;height:22px;margin-top:4px}.ws-print .code{text-align:right;font-size:9pt;color:#444;margin-top:8px}.ws-print .namel{display:flex;gap:18px;font-size:10pt;margin-bottom:10px}.ws-print .namel span{flex:1 1;border-bottom:1px solid #999}.ws-print table{border-collapse:collapse;margin:4px 0}.ws-print td,.ws-print th{border:1px solid #999;padding:2px 6px;font-size:10pt}.sl-wrap{position:fixed;inset:0;z-index:80;background:#fff;display:flex;flex-direction:column}.sl-top{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line)}.sl-top .tt{flex:1 1;min-width:0;display:flex;flex-direction:column}.sl-top .tt small{color:var(--ink-3);font-size:14px}.sl-top .nn{font-weight:800;color:var(--ink-2)}.sl-body{flex:1 1;overflow:auto;padding:20px 16px;display:flex;flex-direction:column;gap:12px;max-width:1100px;width:100%;margin:0 auto;font-size:clamp(16px,2.2vw,26px)}.sl-foot{display:flex;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid var(--line)}.sl-dots{flex:1 1;display:flex;justify-content:center;gap:6px;flex-wrap:wrap}.sl-dots i{width:8px;height:8px;border-radius:50%;background:var(--line)}.sl-dots i.on{background:var(--b)}.sl-no{font-size:.8em;font-weight:800;color:var(--ink-3)}.sl-q{font-size:1.3em;font-weight:700;line-height:1.4}.sl-q,.sl-q2{margin:0}.sl-bank{display:flex;gap:8px;flex-wrap:wrap;margin:0}.sl-bank span{border:1.5px solid var(--line);border-radius:10px;padding:4px 10px}.sl-mode{gap:10px;flex-wrap:wrap}.sl-mode,.sl-size{display:flex;align-items:center}.sl-size{gap:8px;font-size:16px}.sl-size input{width:90px}.sl-opts{display:flex;flex-direction:column;gap:8px}.sl-opts.tf{display:grid;grid-template-columns:1fr 1fr}.sl-opts .opt{font-size:1em}.sl-opts .t{flex:1 1;display:flex;align-items:center;gap:10px}.opt.sl-ok{border-color:var(--g);background:var(--g-soft)}.opt.sl-bad{border-color:var(--rose);background:var(--rose-soft)}.sl-tick{font-weight:900;color:var(--g-deep);font-size:1.2em}.sl-tick.no{color:var(--rose)}.sl-cnt{display:flex;align-items:center;gap:8px}.sl-cnt button{width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:#fff;font-size:20px;font-weight:800}.sl-cnt b{min-width:32px;text-align:center}.sl-tally{margin:0;color:var(--ink-2);font-size:.85em}.sl-in{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.sl-in input{max-width:320px}.sl-in.sl-ok input{border-color:var(--g)}.sl-in.sl-bad input{border-color:var(--rose)}.sl-a{border:2px solid var(--g);border-radius:12px;padding:10px 12px;background:var(--g-soft)}.sl-a small{display:block;font-size:14px;color:var(--g-deep)}.sl-why{color:var(--ink-2);font-size:.85em}.sl-card{display:block;width:100%;min-height:300px;border:0;background:none;padding:0;perspective:1200px;text-align:left;color:var(--ink)}.sl-card .in{display:grid;position:relative;transition:transform .45s;transform-style:preserve-3d;min-height:300px}.sl-card.flip .in{transform:rotateY(180deg)}.sl-card .f{grid-area:1/1;-webkit-backface-visibility:hidden;backface-visibility:hidden;border:2px solid var(--line);border-radius:18px;padding:16px;background:#fff;display:flex;flex-direction:column;gap:10px}.sl-card .back{transform:rotateY(180deg);border-color:var(--g);background:var(--g-soft)}.sl-card .k{display:flex;justify-content:space-between;font-size:14px;font-weight:800;color:var(--ink-3)}.sl-card .bd{display:flex;flex-direction:column;gap:10px;font-size:1.15em}.sl-card .a,.sl-card .q{font-weight:700}.sl-card .o{display:flex;flex-direction:column;gap:4px;font-size:.9em}.sl-card .e{font-size:.8em;color:var(--ink-2)}.sl-flip{display:flex;gap:10px;align-items:center;flex-wrap:wrap}@media (prefers-reduced-motion:reduce){.sl-card .in{transition:none}}.hc-tabs{display:flex;gap:6px;flex-wrap:wrap}.hc-steps{margin:0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px}.hc-steps li{display:flex;gap:10px;align-items:flex-start}.hc-steps .mins{flex:none;font-size:14px;font-weight:800;background:var(--sun-soft);color:var(--amber);border-radius:99px;padding:2px 10px}.hc dl{margin:0;display:grid;grid-template-columns:auto 1fr;grid-gap:4px 12px;gap:4px 12px}.hc dt{font-weight:800;color:var(--ink-2)}.hc dd{margin:0}