@font-face{font-family:KaTeX_AMS;src:url(/fonts/katex/KaTeX_AMS-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Caligraphic;src:url(/fonts/katex/KaTeX_Caligraphic-Bold.woff2)format("woff2");font-weight:700;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Caligraphic;src:url(/fonts/katex/KaTeX_Caligraphic-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Fraktur;src:url(/fonts/katex/KaTeX_Fraktur-Bold.woff2)format("woff2");font-weight:700;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Fraktur;src:url(/fonts/katex/KaTeX_Fraktur-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Main;src:url(/fonts/katex/KaTeX_Main-Bold.woff2)format("woff2");font-weight:700;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Main;src:url(/fonts/katex/KaTeX_Main-BoldItalic.woff2)format("woff2");font-weight:700;font-style:italic;font-display:block}@font-face{font-family:KaTeX_Main;src:url(/fonts/katex/KaTeX_Main-Italic.woff2)format("woff2");font-weight:400;font-style:italic;font-display:block}@font-face{font-family:KaTeX_Main;src:url(/fonts/katex/KaTeX_Main-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Math;src:url(/fonts/katex/KaTeX_Math-BoldItalic.woff2)format("woff2");font-weight:700;font-style:italic;font-display:block}@font-face{font-family:KaTeX_Math;src:url(/fonts/katex/KaTeX_Math-Italic.woff2)format("woff2");font-weight:400;font-style:italic;font-display:block}@font-face{font-family:KaTeX_SansSerif;src:url(/fonts/katex/KaTeX_SansSerif-Bold.woff2)format("woff2");font-weight:700;font-style:normal;font-display:block}@font-face{font-family:KaTeX_SansSerif;src:url(/fonts/katex/KaTeX_SansSerif-Italic.woff2)format("woff2");font-weight:400;font-style:italic;font-display:block}@font-face{font-family:KaTeX_SansSerif;src:url(/fonts/katex/KaTeX_SansSerif-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Script;src:url(/fonts/katex/KaTeX_Script-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Size1;src:url(/fonts/katex/KaTeX_Size1-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Size2;src:url(/fonts/katex/KaTeX_Size2-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Size3;src:url(/fonts/katex/KaTeX_Size3-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Size4;src:url(/fonts/katex/KaTeX_Size4-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:KaTeX_Typewriter;src:url(/fonts/katex/KaTeX_Typewriter-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:block}.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:"0.18.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;display:inline-block;position:relative}.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 .mathsfit,.katex .mathitsf,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{table-layout:fixed;border-collapse:collapse;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 .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.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 .mfrac .frac-line,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line,.katex .katex-hline,.katex .katex-hdashline,.katex .katex-rule{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .llap,.katex .rlap,.katex .clap{width:0;position:relative}.katex .llap>.katex-inner,.katex .rlap>.katex-inner,.katex .clap>.katex-inner{position:absolute}.katex .llap>.katex-fix,.katex .rlap>.katex-fix,.katex .clap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .rlap>.katex-inner,.katex .clap>.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-overline .overline-line,.katex .katex-underline .underline-line,.katex .katex-hline{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .katex-sizing.reset-size1.size1,.katex .fontsize-ensurer.reset-size1.size1{font-size:1em}.katex .katex-sizing.reset-size1.size2,.katex .fontsize-ensurer.reset-size1.size2{font-size:1.2em}.katex .katex-sizing.reset-size1.size3,.katex .fontsize-ensurer.reset-size1.size3{font-size:1.4em}.katex .katex-sizing.reset-size1.size4,.katex .fontsize-ensurer.reset-size1.size4{font-size:1.6em}.katex .katex-sizing.reset-size1.size5,.katex .fontsize-ensurer.reset-size1.size5{font-size:1.8em}.katex .katex-sizing.reset-size1.size6,.katex .fontsize-ensurer.reset-size1.size6{font-size:2em}.katex .katex-sizing.reset-size1.size7,.katex .fontsize-ensurer.reset-size1.size7{font-size:2.4em}.katex .katex-sizing.reset-size1.size8,.katex .fontsize-ensurer.reset-size1.size8{font-size:2.88em}.katex .katex-sizing.reset-size1.size9,.katex .fontsize-ensurer.reset-size1.size9{font-size:3.456em}.katex .katex-sizing.reset-size1.size10,.katex .fontsize-ensurer.reset-size1.size10{font-size:4.148em}.katex .katex-sizing.reset-size1.size11,.katex .fontsize-ensurer.reset-size1.size11{font-size:4.976em}.katex .katex-sizing.reset-size2.size1,.katex .fontsize-ensurer.reset-size2.size1{font-size:.833333em}.katex .katex-sizing.reset-size2.size2,.katex .fontsize-ensurer.reset-size2.size2{font-size:1em}.katex .katex-sizing.reset-size2.size3,.katex .fontsize-ensurer.reset-size2.size3{font-size:1.16667em}.katex .katex-sizing.reset-size2.size4,.katex .fontsize-ensurer.reset-size2.size4{font-size:1.33333em}.katex .katex-sizing.reset-size2.size5,.katex .fontsize-ensurer.reset-size2.size5{font-size:1.5em}.katex .katex-sizing.reset-size2.size6,.katex .fontsize-ensurer.reset-size2.size6{font-size:1.66667em}.katex .katex-sizing.reset-size2.size7,.katex .fontsize-ensurer.reset-size2.size7{font-size:2em}.katex .katex-sizing.reset-size2.size8,.katex .fontsize-ensurer.reset-size2.size8{font-size:2.4em}.katex .katex-sizing.reset-size2.size9,.katex .fontsize-ensurer.reset-size2.size9{font-size:2.88em}.katex .katex-sizing.reset-size2.size10,.katex .fontsize-ensurer.reset-size2.size10{font-size:3.45667em}.katex .katex-sizing.reset-size2.size11,.katex .fontsize-ensurer.reset-size2.size11{font-size:4.14667em}.katex .katex-sizing.reset-size3.size1,.katex .fontsize-ensurer.reset-size3.size1{font-size:.714286em}.katex .katex-sizing.reset-size3.size2,.katex .fontsize-ensurer.reset-size3.size2{font-size:.857143em}.katex .katex-sizing.reset-size3.size3,.katex .fontsize-ensurer.reset-size3.size3{font-size:1em}.katex .katex-sizing.reset-size3.size4,.katex .fontsize-ensurer.reset-size3.size4{font-size:1.14286em}.katex .katex-sizing.reset-size3.size5,.katex .fontsize-ensurer.reset-size3.size5{font-size:1.28571em}.katex .katex-sizing.reset-size3.size6,.katex .fontsize-ensurer.reset-size3.size6{font-size:1.42857em}.katex .katex-sizing.reset-size3.size7,.katex .fontsize-ensurer.reset-size3.size7{font-size:1.71429em}.katex .katex-sizing.reset-size3.size8,.katex .fontsize-ensurer.reset-size3.size8{font-size:2.05714em}.katex .katex-sizing.reset-size3.size9,.katex .fontsize-ensurer.reset-size3.size9{font-size:2.46857em}.katex .katex-sizing.reset-size3.size10,.katex .fontsize-ensurer.reset-size3.size10{font-size:2.96286em}.katex .katex-sizing.reset-size3.size11,.katex .fontsize-ensurer.reset-size3.size11{font-size:3.55429em}.katex .katex-sizing.reset-size4.size1,.katex .fontsize-ensurer.reset-size4.size1{font-size:.625em}.katex .katex-sizing.reset-size4.size2,.katex .fontsize-ensurer.reset-size4.size2{font-size:.75em}.katex .katex-sizing.reset-size4.size3,.katex .fontsize-ensurer.reset-size4.size3{font-size:.875em}.katex .katex-sizing.reset-size4.size4,.katex .fontsize-ensurer.reset-size4.size4{font-size:1em}.katex .katex-sizing.reset-size4.size5,.katex .fontsize-ensurer.reset-size4.size5{font-size:1.125em}.katex .katex-sizing.reset-size4.size6,.katex .fontsize-ensurer.reset-size4.size6{font-size:1.25em}.katex .katex-sizing.reset-size4.size7,.katex .fontsize-ensurer.reset-size4.size7{font-size:1.5em}.katex .katex-sizing.reset-size4.size8,.katex .fontsize-ensurer.reset-size4.size8{font-size:1.8em}.katex .katex-sizing.reset-size4.size9,.katex .fontsize-ensurer.reset-size4.size9{font-size:2.16em}.katex .katex-sizing.reset-size4.size10,.katex .fontsize-ensurer.reset-size4.size10{font-size:2.5925em}.katex .katex-sizing.reset-size4.size11,.katex .fontsize-ensurer.reset-size4.size11{font-size:3.11em}.katex .katex-sizing.reset-size5.size1,.katex .fontsize-ensurer.reset-size5.size1{font-size:.555556em}.katex .katex-sizing.reset-size5.size2,.katex .fontsize-ensurer.reset-size5.size2{font-size:.666667em}.katex .katex-sizing.reset-size5.size3,.katex .fontsize-ensurer.reset-size5.size3{font-size:.777778em}.katex .katex-sizing.reset-size5.size4,.katex .fontsize-ensurer.reset-size5.size4{font-size:.888889em}.katex .katex-sizing.reset-size5.size5,.katex .fontsize-ensurer.reset-size5.size5{font-size:1em}.katex .katex-sizing.reset-size5.size6,.katex .fontsize-ensurer.reset-size5.size6{font-size:1.11111em}.katex .katex-sizing.reset-size5.size7,.katex .fontsize-ensurer.reset-size5.size7{font-size:1.33333em}.katex .katex-sizing.reset-size5.size8,.katex .fontsize-ensurer.reset-size5.size8{font-size:1.6em}.katex .katex-sizing.reset-size5.size9,.katex .fontsize-ensurer.reset-size5.size9{font-size:1.92em}.katex .katex-sizing.reset-size5.size10,.katex .fontsize-ensurer.reset-size5.size10{font-size:2.30444em}.katex .katex-sizing.reset-size5.size11,.katex .fontsize-ensurer.reset-size5.size11{font-size:2.76444em}.katex .katex-sizing.reset-size6.size1,.katex .fontsize-ensurer.reset-size6.size1{font-size:.5em}.katex .katex-sizing.reset-size6.size2,.katex .fontsize-ensurer.reset-size6.size2{font-size:.6em}.katex .katex-sizing.reset-size6.size3,.katex .fontsize-ensurer.reset-size6.size3{font-size:.7em}.katex .katex-sizing.reset-size6.size4,.katex .fontsize-ensurer.reset-size6.size4{font-size:.8em}.katex .katex-sizing.reset-size6.size5,.katex .fontsize-ensurer.reset-size6.size5{font-size:.9em}.katex .katex-sizing.reset-size6.size6,.katex .fontsize-ensurer.reset-size6.size6{font-size:1em}.katex .katex-sizing.reset-size6.size7,.katex .fontsize-ensurer.reset-size6.size7{font-size:1.2em}.katex .katex-sizing.reset-size6.size8,.katex .fontsize-ensurer.reset-size6.size8{font-size:1.44em}.katex .katex-sizing.reset-size6.size9,.katex .fontsize-ensurer.reset-size6.size9{font-size:1.728em}.katex .katex-sizing.reset-size6.size10,.katex .fontsize-ensurer.reset-size6.size10{font-size:2.074em}.katex .katex-sizing.reset-size6.size11,.katex .fontsize-ensurer.reset-size6.size11{font-size:2.488em}.katex .katex-sizing.reset-size7.size1,.katex .fontsize-ensurer.reset-size7.size1{font-size:.416667em}.katex .katex-sizing.reset-size7.size2,.katex .fontsize-ensurer.reset-size7.size2{font-size:.5em}.katex .katex-sizing.reset-size7.size3,.katex .fontsize-ensurer.reset-size7.size3{font-size:.583333em}.katex .katex-sizing.reset-size7.size4,.katex .fontsize-ensurer.reset-size7.size4{font-size:.666667em}.katex .katex-sizing.reset-size7.size5,.katex .fontsize-ensurer.reset-size7.size5{font-size:.75em}.katex .katex-sizing.reset-size7.size6,.katex .fontsize-ensurer.reset-size7.size6{font-size:.833333em}.katex .katex-sizing.reset-size7.size7,.katex .fontsize-ensurer.reset-size7.size7{font-size:1em}.katex .katex-sizing.reset-size7.size8,.katex .fontsize-ensurer.reset-size7.size8{font-size:1.2em}.katex .katex-sizing.reset-size7.size9,.katex .fontsize-ensurer.reset-size7.size9{font-size:1.44em}.katex .katex-sizing.reset-size7.size10,.katex .fontsize-ensurer.reset-size7.size10{font-size:1.72833em}.katex .katex-sizing.reset-size7.size11,.katex .fontsize-ensurer.reset-size7.size11{font-size:2.07333em}.katex .katex-sizing.reset-size8.size1,.katex .fontsize-ensurer.reset-size8.size1{font-size:.347222em}.katex .katex-sizing.reset-size8.size2,.katex .fontsize-ensurer.reset-size8.size2{font-size:.416667em}.katex .katex-sizing.reset-size8.size3,.katex .fontsize-ensurer.reset-size8.size3{font-size:.486111em}.katex .katex-sizing.reset-size8.size4,.katex .fontsize-ensurer.reset-size8.size4{font-size:.555556em}.katex .katex-sizing.reset-size8.size5,.katex .fontsize-ensurer.reset-size8.size5{font-size:.625em}.katex .katex-sizing.reset-size8.size6,.katex .fontsize-ensurer.reset-size8.size6{font-size:.694444em}.katex .katex-sizing.reset-size8.size7,.katex .fontsize-ensurer.reset-size8.size7{font-size:.833333em}.katex .katex-sizing.reset-size8.size8,.katex .fontsize-ensurer.reset-size8.size8{font-size:1em}.katex .katex-sizing.reset-size8.size9,.katex .fontsize-ensurer.reset-size8.size9{font-size:1.2em}.katex .katex-sizing.reset-size8.size10,.katex .fontsize-ensurer.reset-size8.size10{font-size:1.44028em}.katex .katex-sizing.reset-size8.size11,.katex .fontsize-ensurer.reset-size8.size11{font-size:1.72778em}.katex .katex-sizing.reset-size9.size1,.katex .fontsize-ensurer.reset-size9.size1{font-size:.289352em}.katex .katex-sizing.reset-size9.size2,.katex .fontsize-ensurer.reset-size9.size2{font-size:.347222em}.katex .katex-sizing.reset-size9.size3,.katex .fontsize-ensurer.reset-size9.size3{font-size:.405093em}.katex .katex-sizing.reset-size9.size4,.katex .fontsize-ensurer.reset-size9.size4{font-size:.462963em}.katex .katex-sizing.reset-size9.size5,.katex .fontsize-ensurer.reset-size9.size5{font-size:.520833em}.katex .katex-sizing.reset-size9.size6,.katex .fontsize-ensurer.reset-size9.size6{font-size:.578704em}.katex .katex-sizing.reset-size9.size7,.katex .fontsize-ensurer.reset-size9.size7{font-size:.694444em}.katex .katex-sizing.reset-size9.size8,.katex .fontsize-ensurer.reset-size9.size8{font-size:.833333em}.katex .katex-sizing.reset-size9.size9,.katex .fontsize-ensurer.reset-size9.size9{font-size:1em}.katex .katex-sizing.reset-size9.size10,.katex .fontsize-ensurer.reset-size9.size10{font-size:1.20023em}.katex .katex-sizing.reset-size9.size11,.katex .fontsize-ensurer.reset-size9.size11{font-size:1.43981em}.katex .katex-sizing.reset-size10.size1,.katex .fontsize-ensurer.reset-size10.size1{font-size:.24108em}.katex .katex-sizing.reset-size10.size2,.katex .fontsize-ensurer.reset-size10.size2{font-size:.289296em}.katex .katex-sizing.reset-size10.size3,.katex .fontsize-ensurer.reset-size10.size3{font-size:.337512em}.katex .katex-sizing.reset-size10.size4,.katex .fontsize-ensurer.reset-size10.size4{font-size:.385728em}.katex .katex-sizing.reset-size10.size5,.katex .fontsize-ensurer.reset-size10.size5{font-size:.433944em}.katex .katex-sizing.reset-size10.size6,.katex .fontsize-ensurer.reset-size10.size6{font-size:.48216em}.katex .katex-sizing.reset-size10.size7,.katex .fontsize-ensurer.reset-size10.size7{font-size:.578592em}.katex .katex-sizing.reset-size10.size8,.katex .fontsize-ensurer.reset-size10.size8{font-size:.694311em}.katex .katex-sizing.reset-size10.size9,.katex .fontsize-ensurer.reset-size10.size9{font-size:.833173em}.katex .katex-sizing.reset-size10.size10,.katex .fontsize-ensurer.reset-size10.size10{font-size:1em}.katex .katex-sizing.reset-size10.size11,.katex .fontsize-ensurer.reset-size10.size11{font-size:1.19961em}.katex .katex-sizing.reset-size11.size1,.katex .fontsize-ensurer.reset-size11.size1{font-size:.200965em}.katex .katex-sizing.reset-size11.size2,.katex .fontsize-ensurer.reset-size11.size2{font-size:.241158em}.katex .katex-sizing.reset-size11.size3,.katex .fontsize-ensurer.reset-size11.size3{font-size:.281351em}.katex .katex-sizing.reset-size11.size4,.katex .fontsize-ensurer.reset-size11.size4{font-size:.321543em}.katex .katex-sizing.reset-size11.size5,.katex .fontsize-ensurer.reset-size11.size5{font-size:.361736em}.katex .katex-sizing.reset-size11.size6,.katex .fontsize-ensurer.reset-size11.size6{font-size:.401929em}.katex .katex-sizing.reset-size11.size7,.katex .fontsize-ensurer.reset-size11.size7{font-size:.482315em}.katex .katex-sizing.reset-size11.size8,.katex .fontsize-ensurer.reset-size11.size8{font-size:.578778em}.katex .katex-sizing.reset-size11.size9,.katex .fontsize-ensurer.reset-size11.size9{font-size:.694534em}.katex .katex-sizing.reset-size11.size10,.katex .fontsize-ensurer.reset-size11.size10{font-size:.833601em}.katex .katex-sizing.reset-size11.size11,.katex .fontsize-ensurer.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 .op-limits>.vlist-t,.katex .katex-accent>.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{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{width:100%;height:inherit;fill:currentColor;stroke:currentColor;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 .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:before,.katex .katex-stretchy:after{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 .x-arrow,.katex .mover,.katex .munder{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 .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{counter-increment:katexEqnNo;content:"(" counter(katexEqnNo) ")"}.katex .mml-eqn-num:before{counter-increment:mmlEqnNo;content:"(" counter(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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:is(.editor-prose,.rich-content){color:var(--article-body)}:is(.editor-prose,.rich-content)>:first-child{margin-top:0}:is(.editor-prose,.rich-content)>*+*{margin-top:1.15em}:is(.editor-prose,.rich-content) h1,:is(.editor-prose,.rich-content) h2,:is(.editor-prose,.rich-content) h3{letter-spacing:0;color:var(--article-heading);font-weight:700;line-height:1.25}.rich-content :is(h2,h3)[id]{scroll-margin-top:7rem}.article-page-main{max-width:72rem}.article-reading-layout{max-width:48rem;margin-inline:auto}@media (min-width:1024px){.article-reading-layout{grid-template-columns:minmax(0,1fr) minmax(10rem,12rem);gap:3rem;max-width:63rem;display:grid}}:is(.editor-prose,.rich-content) h1{font-size:clamp(2rem,4vw,2.6rem)}:is(.editor-prose,.rich-content) h2{font-size:clamp(1.55rem,3vw,2rem)}:is(.editor-prose,.rich-content) h3{font-size:clamp(1.2rem,2vw,1.45rem)}:is(.editor-prose,.rich-content) p,:is(.editor-prose,.rich-content) li{color:inherit}:is(.editor-prose,.rich-content) a{color:var(--editor-link);overflow-wrap:anywhere;word-break:break-word;text-decoration:none}:is(.editor-prose,.rich-content) a:hover{text-decoration:underline}:is(.editor-prose,.rich-content) ul,:is(.editor-prose,.rich-content) ol{padding-left:1.4rem}:is(.editor-prose,.rich-content) ul{list-style:outside}:is(.editor-prose,.rich-content) ol{list-style:decimal}:is(.editor-prose,.rich-content) li+li{margin-top:.4rem}:is(.editor-prose,.rich-content) blockquote{border-left:3px solid var(--article-quote-border);background:var(--editor-quote-bg);color:var(--article-quote);border-radius:0 6px 6px 0;margin-left:0;margin-right:0;padding:.9rem 1.2rem;font-style:italic}:is(.editor-prose,.rich-content) blockquote>*+*{margin-top:.6em}:is(.editor-prose,.rich-content) blockquote p:first-child{margin-top:0}:is(.editor-prose,.rich-content) blockquote p:last-child{margin-bottom:0}:is(.editor-prose,.rich-content) blockquote blockquote{border-left-color:var(--article-quote-nested-border);background:var(--article-quote-nested-bg);margin-top:.6em}:is(.editor-prose,.rich-content) table{border-collapse:collapse;border:1px solid var(--editor-line);border-radius:6px;width:100%;margin-block:1.2em;overflow:hidden}:is(.editor-prose,.rich-content) table th,:is(.editor-prose,.rich-content) table td{border:1px solid var(--editor-line);text-align:left;vertical-align:top;min-width:80px;padding:.55rem .75rem}:is(.editor-prose,.rich-content) table th{background:var(--editor-soft);color:var(--editor-ink);font-size:.95em;font-weight:600}:is(.editor-prose,.rich-content) table td{background:var(--background)}:is(.editor-prose,.rich-content) table tr:nth-child(2n) td{background:var(--editor-quote-bg)}:is(.editor-prose,.rich-content) hr{border:0;border-top:1px solid var(--editor-line);margin-block:2rem}:is(.editor-prose,.rich-content) code{border:1px solid var(--editor-code-border);background:var(--editor-code-bg);font-family:var(--font-geist-mono), "SFMono-Regular", Consolas, monospace;border-radius:6px;padding:.1rem .35rem;font-size:.92em}:is(.editor-prose,.rich-content) pre{color:#f5f5f5;background:#181818;border-radius:6px;padding:1rem 1.1rem;overflow-x:auto}:is(.editor-prose,.rich-content) pre code{color:inherit;background:0 0;border:0;padding:0}:is(.editor-prose,.rich-content) pre code.hljs{color:#c9d1d9}:is(.editor-prose,.rich-content) :is(.hljs-doctag,.hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_){color:#ff7b72}:is(.editor-prose,.rich-content) :is(.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_){color:#d2a8ff}:is(.editor-prose,.rich-content) :is(.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id){color:#79c0ff}:is(.editor-prose,.rich-content) :is(.hljs-regexp,.hljs-string,.hljs-meta .hljs-string){color:#a5d6ff}:is(.editor-prose,.rich-content) :is(.hljs-built_in,.hljs-symbol){color:#ffa657}:is(.editor-prose,.rich-content) :is(.hljs-comment,.hljs-code,.hljs-formula){color:#8b949e}:is(.editor-prose,.rich-content) :is(.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo){color:#7ee787}:is(.editor-prose,.rich-content) .hljs-subst{color:#c9d1d9}:is(.editor-prose,.rich-content) .hljs-section{color:#1f6feb;font-weight:700}:is(.editor-prose,.rich-content) .hljs-bullet{color:#f2cc60}:is(.editor-prose,.rich-content) .hljs-emphasis{color:#c9d1d9;font-style:italic}:is(.editor-prose,.rich-content) .hljs-strong{color:#c9d1d9;font-weight:700}:is(.editor-prose,.rich-content) .hljs-addition{color:#aff5b4;background-color:#033a16}:is(.editor-prose,.rich-content) .hljs-deletion{color:#ffdcd7;background-color:#67060c}:is(.editor-prose,.rich-content) img{border-radius:6px;max-width:100%;display:block}:is(.editor-prose,.rich-content) ul[data-type=taskList]{padding-left:0;list-style:none}:is(.editor-prose,.rich-content) ul[data-type=taskList] li{align-items:flex-start;gap:.6rem;display:flex}:is(.editor-prose,.rich-content) ul[data-type=taskList] li>label{-webkit-user-select:none;user-select:none;margin-top:.2rem}:is(.editor-prose,.rich-content) ul[data-type=taskList] li>div{flex:1}:is(.editor-prose,.rich-content) ul[data-type=taskList] input[type=checkbox]{width:1rem;height:1rem;accent-color:var(--editor-accent)}.rich-content{max-width:none;font-size:1rem;line-height:1.85;font-family:var(--body-font,inherit)}.article-display-title{font-family:var(--body-font,Georgia, "Noto Serif SC", serif)}@media (min-width:640px){.rich-content{font-size:1.06rem;line-height:1.9}}[data-font=kaiti] .rich-content{letter-spacing:.02em;font-size:1.08rem;line-height:2}@media (min-width:640px){[data-font=kaiti] .rich-content{font-size:1.14rem;line-height:2.05}}[data-font=kaiti] .rich-content h1,[data-font=kaiti] .rich-content h2,[data-font=kaiti] .rich-content h3{letter-spacing:-.01em;font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-weight:800}[data-font=kaiti] .article-display-title{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-weight:800}.rich-content pre{font-size:.85rem}@media (min-width:640px){.rich-content pre{font-size:.92rem}}:is(.editor-prose,.rich-content) video{background:#000;border-radius:8px;max-width:100%}:is(.editor-prose,.rich-content) audio{max-width:100%;margin:1rem 0}:is(.editor-prose,.rich-content) div[data-youtube-video]{background:#000;border-radius:8px;margin:1.5rem 0;padding-bottom:56.25%;position:relative;overflow:hidden;width:100%!important;height:0!important}:is(.editor-prose,.rich-content) div[data-youtube-video] iframe{border:0;top:0;left:0;width:100%!important;height:100%!important;position:absolute!important}.twitter-node-view{background:0 0;justify-content:center;max-width:100%;margin:1.5rem auto;display:flex}.twitter-node-view>div{width:100%;max-width:550px}.twitter-node-view .twitter-tweet-rendered,.twitter-node-view twitter-widget,.twitter-node-view .twitter-tweet{max-width:100%!important;margin:0 auto!important}:is(.editor-prose,.rich-content) div[data-twitter-src]{background:0 0;justify-content:center;margin:1.5rem 0;display:flex}.twitter-node-view iframe{max-width:100%!important}.math-display{text-align:center;padding:.5rem 0;overflow-x:auto}.math-inline{display:inline}.math-block-wrapper{text-align:center;margin:1.5rem 0;overflow-x:auto}[data-theme=terminal] :is(.editor-prose,.rich-content) h1,[data-theme=terminal] :is(.editor-prose,.rich-content) h2,[data-theme=terminal] :is(.editor-prose,.rich-content) h3{color:var(--article-heading)}[data-theme=terminal] :is(.editor-prose,.rich-content) p,[data-theme=terminal] :is(.editor-prose,.rich-content) li{color:inherit}[data-theme=terminal] :is(.editor-prose,.rich-content) blockquote{border-left-color:var(--article-quote-border);color:var(--article-quote);background:#1f2240}[data-theme=terminal] :is(.editor-prose,.rich-content) pre{background:#12141f;border:1px solid #2a2f48}[data-theme=terminal] :is(.editor-prose,.rich-content) code{color:#4ade80;background:#12141f;border-color:#2a2f48}[data-theme=terminal] :is(.editor-prose,.rich-content) a{color:#4ade80}[data-theme=terminal] :is(.editor-prose,.rich-content) hr{border-top-color:#2a2f48}[data-theme=editorial] :is(.editor-prose,.rich-content) h1,[data-theme=editorial] :is(.editor-prose,.rich-content) h2,[data-theme=editorial] :is(.editor-prose,.rich-content) h3{color:var(--article-heading);font-family:Noto Serif SC,Georgia,serif}[data-theme=editorial] :is(.editor-prose,.rich-content) blockquote{border-left-color:var(--article-quote-border);color:var(--article-quote)}[data-theme=editorial] :is(.editor-prose,.rich-content) a{color:#c44a2a}