@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,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:"0.18.9"}.katex .katex-mathml{border:0;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}:root{--bg:#ffffff;--bg-soft:#f6f7f9;--bg-hover:#eef0f3;--fg:#1d2330;--fg-muted:#5b6475;--border:#dde1e7;--accent:#2f5bd3;--accent-fg:#ffffff;--accent-soft:#e7edfc;--danger:#c0352b;--danger-soft:#fbe9e7;--warn-soft:#fff6d6;--ok:#1f7a4a;--ok-soft:#e3f4ea;--mark:#fff0a8;--shadow:0 6px 24px rgb(15 23 42/12%);--radius:6px;--sidebar-w:272px;--rail-w:280px;--header-h:52px;--font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#14171d;--bg-soft:#1b1f27;--bg-hover:#242a34;--fg:#e5e8ee;--fg-muted:#9aa3b2;--border:#2d333f;--accent:#7b9cff;--accent-fg:#0d1220;--accent-soft:#1f2a48;--danger:#ff7b6e;--danger-soft:#3a1f1d;--warn-soft:#3a3217;--ok:#62d49a;--ok-soft:#173326;--mark:#5c4f12;color-scheme:dark}}:root[data-theme=dark]{--bg:#14171d;--bg-soft:#1b1f27;--bg-hover:#242a34;--fg:#e5e8ee;--fg-muted:#9aa3b2;--border:#2d333f;--accent:#7b9cff;--accent-fg:#0d1220;--accent-soft:#1f2a48;--danger:#ff7b6e;--danger-soft:#3a1f1d;--warn-soft:#3a3217;--ok:#62d49a;--ok-soft:#173326;--mark:#5c4f12;color-scheme:dark}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font:15px/1.55 var(--font)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25}code,kbd,pre{font-family:var(--mono);font-size:.9em}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.muted{color:var(--fg-muted)}.small{font-size:.85em}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spacer{flex:1 1}.stack{display:flex;flex-direction:column;gap:12px}.btn,button{font:inherit;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);color:var(--fg);cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover,button:hover:not(:disabled){background:var(--bg-hover);text-decoration:none}button:disabled{opacity:.55;cursor:default}button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}button.primary:hover:not(:disabled){filter:brightness(1.08);background:var(--accent)}button.danger{color:var(--danger);border-color:var(--danger)}button.ghost{border-color:transparent;background:transparent}button.icon{padding:4px 8px}input,select,textarea{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:6px 10px;max-width:100%}textarea{width:100%;min-height:80px}input[type=checkbox],input[type=radio]{width:auto}label.field{display:flex;flex-direction:column;gap:4px;font-weight:500}label.field>span.hint{font-weight:400;color:var(--fg-muted);font-size:.85em}label.check{display:inline-flex;gap:6px;align-items:center}.error-text{color:var(--danger)}.alert{background:var(--danger-soft);color:var(--danger)}.alert,.banner{padding:10px 14px;border-radius:var(--radius)}.banner{background:var(--warn-soft);border:1px solid var(--border)}.badge{display:inline-block;font-size:.75em;padding:1px 7px;border-radius:999px;background:var(--bg-hover);color:var(--fg-muted);border:1px solid var(--border);vertical-align:middle}.badge.accent{background:var(--accent-soft);color:var(--accent)}.badge.ok{background:var(--ok-soft);color:var(--ok)}.badge.danger{background:var(--danger-soft);color:var(--danger)}.card{border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;background:var(--bg)}table.data{width:100%;border-collapse:collapse}table.data td,table.data th{text-align:left;padding:7px 8px;border-bottom:1px solid var(--border);vertical-align:top}table.data th{font-weight:600;color:var(--fg-muted);font-size:.85em}.table-wrap{overflow-x:auto}dialog{border:1px solid var(--border);border-radius:10px;padding:0;background:var(--bg);color:var(--fg);box-shadow:var(--shadow);width:min(560px,calc(100vw - 24px));max-height:calc(100vh - 48px)}dialog::backdrop{background:rgb(10 12 18/45%)}dialog .dialog-body{padding:18px 20px;display:flex;flex-direction:column;gap:12px}dialog h2{margin:0;font-size:1.15em}dialog .dialog-actions{display:flex;justify-content:flex-end;gap:8px}.menu{position:relative;display:inline-block}.menu-list{position:absolute;right:0;top:calc(100% + 4px);min-width:200px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:4px;z-index:50;display:flex;flex-direction:column}.menu-list [role=menuitem],.menu-list [role=menuitemcheckbox]{justify-content:flex-start;border:none;background:transparent;width:100%;text-align:left;color:var(--fg)}.menu-list [role=menuitem]:focus,.menu-list [role=menuitem]:hover,.menu-list [role=menuitemcheckbox]:hover{background:var(--bg-hover)}.menu-list hr{border:none;border-top:1px solid var(--border);margin:4px 0;width:100%}.toasts{position:fixed;bottom:16px;right:16px;display:flex;flex-direction:column;gap:8px;z-index:100}.toast{background:var(--fg);color:var(--bg);padding:10px 14px;border-radius:var(--radius);box-shadow:var(--shadow);max-width:360px}.toast.error{background:var(--danger);color:#fff}.shell{display:grid;grid-template-rows:var(--header-h) 1fr;grid-template-columns:var(--sidebar-w) 1fr;grid-template-areas:"header header" "sidebar main";min-height:100vh}.shell-header{grid-area:header;gap:10px;padding:0 14px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:40}.brand,.shell-header{display:flex;align-items:center}.brand{gap:8px;font-weight:700;color:var(--fg)}.brand img{height:26px;width:auto}.header-search{flex:1 1;max-width:520px;display:flex}.header-search input{width:100%}.shell-sidebar{grid-area:sidebar;border-right:1px solid var(--border);background:var(--bg-soft);padding:10px 8px 40px;overflow-y:auto;height:calc(100vh - var(--header-h));position:sticky;top:var(--header-h)}.shell-main{grid-area:main;min-width:0;padding:20px 28px 60px}.sidebar-section{margin-bottom:14px}.sidebar-section>h2{font-size:.72em;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-muted);margin:6px 8px}.nav-link{display:flex;align-items:center;gap:6px;padding:3px 8px;border-radius:var(--radius);color:var(--fg);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.nav-link:hover{background:var(--bg-hover);text-decoration:none}.nav-link[aria-current=page]{background:var(--accent-soft);color:var(--accent);font-weight:600}.menu-toggle{display:none}@media (max-width:860px){.shell{grid-template-columns:1fr;grid-template-areas:"header" "main"}.shell-sidebar{display:none;position:fixed;left:0;top:var(--header-h);width:min(320px,90vw);z-index:45;box-shadow:var(--shadow)}.shell.sidebar-open .shell-sidebar{display:block}.menu-toggle{display:inline-flex}.shell-main{padding:14px 14px 60px}.brand-name{display:none}}.tree{list-style:none;margin:0;padding:0}.tree .tree{padding-left:14px}.tree-row{display:flex;align-items:center;gap:2px;border-radius:var(--radius);position:relative}.tree-row:hover{background:var(--bg-hover)}.tree-row.drop-after:after,.tree-row.drop-before:before{content:"";position:absolute;left:0;right:0;height:2px;background:var(--accent)}.tree-row.drop-before:before{top:-1px}.tree-row.drop-after:after{bottom:-1px}.tree-row.drop-inside{outline:2px solid var(--accent)}.tree-row .twisty{border:none;background:transparent;width:22px;padding:0;justify-content:center;color:var(--fg-muted);flex:none}.tree-row .nav-link{flex:1 1;padding-left:2px}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) var(--rail-w);gap:28px;max-width:1280px}@media (max-width:1100px){.page-layout{grid-template-columns:minmax(0,1fr)}}.breadcrumbs{display:flex;flex-wrap:wrap;gap:4px;font-size:.88em;color:var(--fg-muted);margin:0 0 6px;padding:0;list-style:none}.breadcrumbs li+li:before{content:"/";margin-right:4px;color:var(--border)}.page-title-row{display:flex;gap:10px;align-items:flex-start}.page-title{flex:1 1;font-size:2em;font-weight:700;margin:0 0 10px;border:none;padding:0;background:transparent;width:100%}.rail{display:flex;flex-direction:column;gap:18px;font-size:.9em}.rail h2{font-size:.78em;text-transform:uppercase;letter-spacing:.05em;color:var(--fg-muted);margin:0 0 6px}.rail ul{list-style:none;padding:0;margin:0}.rail li{margin:2px 0}.presence{display:flex;gap:4px}.avatar{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:.72em;font-weight:700;color:#fff;flex:none}.editor-toolbar{display:flex;flex-wrap:wrap;gap:2px;padding:4px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-soft);position:sticky;top:calc(var(--header-h) + 4px);z-index:20;margin-bottom:10px}.editor-toolbar button{padding:3px 8px;border-color:transparent;background:transparent}.editor-toolbar button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}.prose{line-height:1.65;word-wrap:break-word}.prose .ProseMirror{outline:none;min-height:200px}.prose h1{font-size:1.7em}.prose h2{font-size:1.4em}.prose h3{font-size:1.2em}.prose pre{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;overflow-x:auto}.prose :not(pre)>code{background:var(--bg-hover);padding:1px 4px;border-radius:4px}.prose blockquote{border-left:3px solid var(--border);margin:0;padding-left:14px;color:var(--fg-muted)}.prose table{border-collapse:collapse;margin:10px 0;display:block;overflow-x:auto}.prose td,.prose th{border:1px solid var(--border);padding:5px 9px;min-width:60px}.prose th{background:var(--bg-soft)}.prose img,.prose video{max-width:100%;height:auto;border-radius:4px}.prose ul[data-type=taskList]{list-style:none;padding-left:4px}.prose ul[data-type=taskList] li{display:flex;gap:8px}.prose ul[data-type=taskList] li>label{flex:none}.prose ul[data-type=taskList] li>div{flex:1 1}.prose .callout{border-left:4px solid var(--accent);background:var(--accent-soft);padding:8px 14px;border-radius:var(--radius);margin:10px 0}.prose .callout[data-variant=warning]{border-color:#d59b00;background:var(--warn-soft)}.prose .callout[data-variant=danger]{border-color:var(--danger);background:var(--danger-soft)}.prose .callout[data-variant=success]{border-color:var(--ok);background:var(--ok-soft)}.prose .details{border:1px solid var(--border);border-radius:var(--radius);padding:6px 12px;margin:10px 0}.prose .details>.details-summary{font-weight:600}.prose .atom-card{border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;margin:10px 0;background:var(--bg-soft)}.prose .ProseMirror-selectednode,.prose .atom-card.selected{outline:2px solid var(--accent)}.prose .mention{background:var(--accent-soft);color:var(--accent);border-radius:4px;padding:0 3px}.prose .math-block{text-align:center;overflow-x:auto}.prose .comment-anchor{background:var(--mark);border-bottom:2px solid #e0b100}.prose .comment-anchor.active{background:#ffd84d}.link-card{display:flex;gap:12px;align-items:center}.link-card img{width:96px;height:64px;object-fit:cover;border-radius:4px}.collaboration-carets__caret{border-left:1px solid;border-right:1px solid;margin-left:-1px;margin-right:-1px;pointer-events:none;position:relative;word-break:normal}.collaboration-carets__label{border-radius:3px 3px 3px 0;color:#fff;font-size:11px;font-weight:600;left:-1px;line-height:normal;padding:1px 4px;position:absolute;top:-1.4em;-webkit-user-select:none;user-select:none;white-space:nowrap}.slash-menu{position:absolute;z-index:60;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:4px;max-height:320px;overflow-y:auto;min-width:220px}.slash-menu [role=option]{padding:5px 10px;border-radius:4px;cursor:pointer}.slash-menu [role=option][aria-selected=true]{background:var(--accent-soft)}.upload-progress{font-size:.85em;color:var(--fg-muted)}.list{list-style:none;padding:0;margin:0}.list>li{padding:8px 0;border-bottom:1px solid var(--border)}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}.tabs a,.tabs button{background:transparent;padding:8px 12px;border:none;border-bottom:2px solid transparent;border-radius:0;color:var(--fg-muted)}.tabs [aria-current=page],.tabs [aria-selected=true]{color:var(--fg);border-bottom-color:var(--accent)}.diff-line{font-family:var(--mono);font-size:.86em;white-space:pre-wrap;padding:0 8px}.diff-line.add{background:var(--ok-soft)}.diff-line.del{background:var(--danger-soft)}ins.diff{background:var(--ok-soft);text-decoration:none}del.diff{background:var(--danger-soft)}.diff-side{display:grid;grid-template-columns:1fr 1fr;gap:8px}.search-result{padding:10px 0;border-bottom:1px solid var(--border)}.search-result mark,mark{background:var(--mark);color:inherit}.palette{width:min(640px,calc(100vw - 24px))}.palette ul{list-style:none;margin:0;padding:0;max-height:50vh;overflow-y:auto}.palette li [role=option],.palette li a{display:block;padding:6px 10px;border-radius:4px}.palette li [aria-selected=true]{background:var(--accent-soft)}.bell-count{background:var(--danger);color:#fff;border-radius:999px;font-size:.7em;padding:0 6px;min-width:18px;text-align:center}.center-card{max-width:420px;margin:10vh auto;padding:0 16px}.thread{border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;margin-bottom:8px;background:var(--bg)}.thread.active{border-color:var(--accent)}.thread .quote{font-size:.85em;color:var(--fg-muted);border-left:3px solid var(--mark);padding-left:6px;margin-bottom:4px}.comment{margin:4px 0}.comment .meta{font-size:.8em;color:var(--fg-muted)}.source-view{white-space:pre-wrap;font-family:var(--mono);font-size:.86em;background:var(--bg-soft);padding:12px;border-radius:var(--radius);border:1px solid var(--border);max-height:60vh;overflow:auto}.prose .jump-target{outline:3px solid var(--mark);outline-offset:4px;border-radius:4px;transition:outline-color 1s}