@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}.pw-sol{--sol-s1:#0c1e2f;--sol-s2:#0f2335;--sol-ink:#f1f5fb;--sol-ink2:#f1f5fbc2;--sol-ink3:#f1f5fb99;--sol-line:#f1f5fb17;--sol-line2:#f1f5fb2e;--sol-accent:#38bdf8;--sol-aw:#38bdf81a;--sol-p:#7ab0ff;--sol-pw:#7ab0ff24;--sol-c:#3dd6bb;--sol-cw:#3dd6bb21;--sol-m:#bba2ff;--sol-mw:#bba2ff24;--sol-shadow:none;--sol-err:#fca5a5;--sol-hi:#122942;--sol-fade:#02080e8c;--sol-good:#86efac;--sol-goodw:#4ade801f;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=light] .pw-sol:not([data-theme=dark]),.pw-sol[data-theme=light]{--sol-s1:#fff;--sol-s2:#f3f6fa;--sol-ink:#0f1b3b;--sol-ink2:#0f1b3bcc;--sol-ink3:#0f1b3ba8;--sol-line:#0f1b3b1a;--sol-line2:#0f1b3b33;--sol-accent:#0369a1;--sol-aw:#0284c712;--sol-p:#1d5bd6;--sol-pw:#1d5bd617;--sol-c:#0f7a69;--sol-cw:#0f7a691a;--sol-m:#6d4adb;--sol-mw:#6d4adb17;--sol-shadow:0 1px 2px #0f1b3b0d, 0 1px 1px #0f1b3b08;--sol-err:#b42318;--sol-hi:#edf1f6;--sol-fade:#0f1b3b24;--sol-good:#166534;--sol-goodw:#16a34a17;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.pw-sol{font-feature-settings:"cv11", "cv05";letter-spacing:-.011em;-webkit-font-smoothing:antialiased;color:var(--sol-ink2);text-align:left;overflow-wrap:break-word;min-width:0;max-width:100%;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;font-size:15px;line-height:1.55;container:pwsol/inline-size}.pw-sol *,.pw-sol :before,.pw-sol :after{box-sizing:border-box}.pw-sol :where(h2,h3,p,ol,ul,li,figure,table,blockquote,pre){margin:0;padding:0}.pw-sol :where(ol,ul){list-style:none}.pw-sol strong{color:var(--sol-ink);font-weight:600}.pw-sol em{font-style:italic}.pw-sol img{max-width:100%}.pw-sol .pw-sol-code{background:var(--sol-s2);color:var(--sol-ink);letter-spacing:0;border-radius:5px;padding:1px 5px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:.88em}.pw-sol .pw-sol-link{color:var(--sol-accent);text-underline-offset:2px;overflow-wrap:anywhere;border-radius:3px;text-decoration:underline;text-decoration-thickness:1px}.pw-sol .pw-sol-link:hover{text-decoration-thickness:2px}.pw-sol .pw-sol-link:focus-visible{outline:2px solid var(--sol-accent);outline-offset:2px}.pw-sol .pw-sol-texerr{color:var(--sol-err);font-size:.9em}.pw-sol .katex{letter-spacing:0;font-variant-numeric:normal;text-rendering:optimizelegibility;font-size:1.08em}.pw-sol .katex-display{text-align:left;max-width:100%;margin:0;padding:2px 0;overflow:auto hidden}.pw-sol .katex-display>.katex{text-align:left;white-space:nowrap;color:var(--sol-ink);font-size:1.2em}.pw-sol .pw-sol-dmath{max-width:100%;margin:6px 0;display:block;overflow:auto hidden}.pw-sol-card{background:var(--sol-s1);border:1px solid var(--sol-line);box-shadow:var(--sol-shadow);border-radius:16px;overflow:hidden}.pw-sol-band{background:var(--sol-wash);flex-direction:column;gap:10px;min-height:176px;padding:28px 280px 28px 28px;display:flex;position:relative;overflow:hidden}.pw-sol-band:before{content:"";background:var(--sol-wash);pointer-events:none;border-radius:50%;width:250px;height:250px;position:absolute;bottom:-60px;right:28px}.pw-sol-band.is-bare{min-height:0;padding-right:28px}.pw-sol-band.is-bare:before{display:none}.pw-sol-fig-teacher{top:20px;right:var(--sol-fig-right);width:var(--sol-fig-w);pointer-events:none;-webkit-user-select:none;user-select:none;height:auto;position:absolute;max-width:none!important}.pw-sol-who{color:var(--sol-ink2);align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex;position:relative}.pw-sol-headline{letter-spacing:-.024em;color:var(--sol-ink);text-wrap:pretty;font-size:23px;font-weight:700;line-height:1.25;position:relative}.pw-sol-headline strong{font-weight:800}.pw-sol-headline .katex{font-size:1em}.pw-sol-compact{align-items:center;gap:12px;padding:22px 28px 0;display:flex}.pw-sol-av{background:var(--sol-wash);border-radius:50%;flex-shrink:0;width:36px;height:36px;display:inline-block;overflow:hidden}.pw-sol-av img{object-fit:cover;width:100%;height:100%;display:block}.pw-sol-compact-text{flex-direction:column;gap:2px;min-width:0;display:flex}.pw-sol-compact-title{color:var(--sol-ink);font-size:16px;font-weight:600;line-height:1.3}.pw-sol-compact-sub{color:var(--sol-ink3);font-size:13px;line-height:1.4}.pw-sol-compact-sub strong{color:inherit;font-weight:600}.pw-sol-subj-physics{--sol-wash:var(--sol-pw);--sol-subj:var(--sol-p)}.pw-sol-subj-chemistry{--sol-wash:var(--sol-cw);--sol-subj:var(--sol-c)}.pw-sol-subj-maths{--sol-wash:var(--sol-mw);--sol-subj:var(--sol-m)}.pw-sol-subj-none{--sol-wash:var(--sol-aw);--sol-subj:var(--sol-accent)}.pw-sol-si{width:15px;height:15px;color:var(--sol-subj);-webkit-mask:var(--si) center / contain no-repeat;-webkit-mask:var(--si) center / contain no-repeat;mask:var(--si) center / contain no-repeat;background-color:currentColor;flex-shrink:0;display:inline-block}.pw-sol-si-physics{--si:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cellipse cx='12' cy='12' rx='10' ry='3.6' transform='rotate%2845 12 12%29'/%3E%3Cellipse cx='12' cy='12' rx='10' ry='3.6' transform='rotate%28-45 12 12%29'/%3E%3Ccircle cx='12' cy='12' r='1.7' fill='black' stroke='none'/%3E%3C/svg%3E")}.pw-sol-si-chemistry{--si:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 2.75h6M10.1 2.75v6.4L4.9 18.1a1.9 1.9 0 0 0 1.65 2.85h10.9a1.9 1.9 0 0 0 1.65-2.85l-5.2-8.95v-6.4'/%3E%3Cpath d='M7.35 14.25h9.3'/%3E%3Ccircle cx='13.4' cy='17.6' r='1.05' fill='black' stroke='none'/%3E%3Ccircle cx='10.1' cy='18.4' r='.7' fill='black' stroke='none'/%3E%3C/svg%3E")}.pw-sol-si-maths{--si:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 1.8v2'/%3E%3Ccircle cx='12' cy='5.9' r='2.25'/%3E%3Cpath d='M10.95 7.9 4.9 21.2M13.05 7.9l6.05 13.3'/%3E%3C/svg%3E")}.pw-sol-si-none{--si:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18h6M10 21h4M12 3a6 6 0 0 0-3.6 10.8c.7.6 1.1 1.3 1.1 2.2h5c0-.9.4-1.6 1.1-2.2A6 6 0 0 0 12 3z'/%3E%3C/svg%3E")}.pw-sol-body{flex-direction:column;gap:20px;min-width:0;padding:24px 28px 28px;display:flex}.pw-sol-flow{flex-direction:column;gap:20px;min-width:0;display:flex}.pw-sol-steps{flex-direction:column;gap:14px;min-width:0;display:flex}.pw-sol-step{gap:14px;min-width:0;display:flex}.pw-sol-num{border:1px solid var(--sol-line2);letter-spacing:0;width:24px;height:24px;color:var(--sol-ink2);font-variant-numeric:tabular-nums;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px;display:inline-flex}.pw-sol-steptext{flex-direction:column;flex:auto;gap:10px;min-width:0;display:flex}.pw-sol-steptext>.pw-sol-flow{gap:10px}.pw-sol-math{min-width:0;max-width:100%;color:var(--sol-ink);-webkit-overflow-scrolling:touch;scrollbar-width:thin;overflow:auto hidden}.pw-sol-tablewrap,.pw-sol-math{background:linear-gradient(to right, var(--sol-s1) 30%, transparent) left center / 28px 100% no-repeat local, linear-gradient(to left, var(--sol-s1) 30%, transparent) right center / 28px 100% no-repeat local, radial-gradient(farthest-side at 0 50%, var(--sol-fade), transparent) left center / 12px 100% no-repeat scroll, radial-gradient(farthest-side at 100% 50%, var(--sol-fade), transparent) right center / 12px 100% no-repeat scroll}.pw-sol-tablewrap{border:1px solid var(--sol-line);-webkit-overflow-scrolling:touch;scrollbar-width:thin;border-radius:12px;max-width:100%;overflow:auto hidden}.pw-sol-table{border-collapse:separate;border-spacing:0;font-variant-numeric:tabular-nums;width:100%}.pw-sol-table thead{background:var(--sol-s2)}.pw-sol-table th{color:var(--sol-ink3);text-align:left;vertical-align:bottom;padding:10px 14px;font-size:12px;font-weight:600;line-height:1.35}.pw-sol-table td{border-top:1px solid var(--sol-line);color:var(--sol-ink2);text-align:left;vertical-align:middle;padding:11px 14px;font-size:14px;line-height:1.45}.pw-sol-table td:first-child{color:var(--sol-ink);font-size:15px}.pw-sol-table tr.is-hi td{background:var(--sol-hi)}.pw-sol-table .katex{white-space:nowrap;font-size:1.05em}.pw-sol-table .katex .base{white-space:nowrap}.pw-sol-codewrap{-webkit-overflow-scrolling:touch;scrollbar-width:thin;border:1px solid var(--sol-line);background:var(--sol-s2);border-radius:10px;max-width:100%;overflow-x:auto}.pw-sol-code{font-family:var(--font-mono,"JetBrains Mono", ui-monospace, monospace);color:var(--sol-ink);white-space:pre;tab-size:4;margin:0;padding:12px 14px;font-size:13px;line-height:1.55}.pw-sol-figure{border-radius:var(--r-plate,12px);background:var(--plate,#fff);border:1px solid var(--plate-line,var(--sol-line));justify-content:center;align-items:center;height:260px;padding:12px;display:flex;overflow:hidden}.pw-sol-figure img{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:100%;display:block}.pw-sol-note{background:var(--sol-s2);color:var(--sol-ink2);border-radius:12px;min-width:0;padding:14px 16px}.pw-sol-narrow{display:none}.pw-sol-lede{color:var(--sol-ink2);min-width:0}.pw-sol-key{border:1.5px solid var(--sol-line2);border-radius:14px;gap:14px;min-width:0;padding:16px 18px;display:flex}.pw-sol-key svg{stroke:var(--sol-ink2);flex-shrink:0;margin-top:1px}.pw-sol-key p,.pw-sol-p{min-width:0}.pw-sol-h{color:var(--sol-ink);letter-spacing:-.015em;font-size:1.02em;font-weight:700}.pw-sol-bullets{flex-direction:column;gap:8px;min-width:0;display:flex}.pw-sol-bullets>li{gap:10px;min-width:0;display:flex}.pw-sol-bullets>li:before{content:"";background:var(--sol-ink3);border-radius:50%;flex-shrink:0;width:5px;height:5px;margin-top:.68em}.pw-sol-pre{background:var(--sol-s2);border:1px solid var(--sol-line);color:var(--sol-ink);letter-spacing:0;white-space:pre;border-radius:10px;padding:12px 14px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12.5px;line-height:1.6;overflow-x:auto}.pw-sol-hr{border:0;border-top:1px solid var(--sol-line);margin:0}.pw-sol-svg.pw-fig-ai{margin:0}.pw-sol-legacy-html :where(p){margin:0 0 6px}.pw-sol-legacy-html img{box-sizing:border-box;background:var(--plate,#fff);height:auto;padding:var(--plate-pad,10px);border:1px solid var(--plate-line,var(--sol-line));border-radius:var(--r-plate,12px)}.pw-sol-legacy-html table{border-collapse:collapse;margin:6px 0}.pw-sol-legacy-html :is(th,td){border:1px solid var(--sol-line2);padding:6px 12px}.pw-sol.is-chat>*{font-size:15px;line-height:1.6}.pw-sol.is-chat .pw-sol-flow{gap:14px}.pw-sol.is-chat .pw-sol-steps{gap:12px}.pw-sol.is-chat .pw-sol-p{text-wrap:pretty}.pw-sol-csteps{border:1px solid var(--sol-line);border-radius:14px;flex-direction:column;min-width:0;display:flex;overflow:hidden}.pw-sol .pw-sol-csteps{gap:0}.pw-sol-cstep{grid-template-columns:28px minmax(min(40%,12em),1fr) minmax(0,max-content);align-items:center;gap:12px;min-width:0;padding:14px 18px;display:grid}.pw-sol-cstep+.pw-sol-cstep,.pw-sol-cresult{border-top:1px solid var(--sol-line)}.pw-sol-cnum{background:var(--sol-s2);letter-spacing:0;width:24px;height:24px;color:var(--sol-ink2);font-variant-numeric:tabular-nums;border-radius:50%;justify-content:center;align-self:start;align-items:center;margin-top:0;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px;font-weight:600;display:flex}.pw-sol-cstep.has-eq .pw-sol-cnum{align-self:center}.pw-sol-ctext{flex-direction:column;gap:8px;min-width:0;font-size:14px;line-height:1.45;display:flex}.pw-sol-cstep:not(.has-eq) .pw-sol-ctext{grid-column:2/4}.pw-sol-ceq,.pw-sol-cres-l{min-width:0;color:var(--sol-ink);font-size:15px}.pw-sol-ceq .pw-sol-math>.katex-display,.pw-sol-cres-l .pw-sol-math>.katex-display,.pw-sol-cmath .pw-sol-math>.katex-display{text-align:left;margin:0}.pw-sol-ceq .pw-sol-math>.katex-display{text-align:right}.pw-sol-ceq .katex-display>.katex,.pw-sol-cres-l .katex-display>.katex,.pw-sol-cmath .katex-display>.katex{text-align:inherit}.pw-sol-cresult{background:var(--sol-s2);align-items:center;gap:14px;min-width:0;padding:14px 18px;display:flex}.pw-sol-cres-l{flex-grow:1}.pw-sol-cres-label{color:var(--sol-ink3);font-size:14px}.pw-sol-pill{background:var(--sol-goodw);height:28px;color:var(--sol-good);white-space:nowrap;border-radius:999px;flex-shrink:0;align-items:center;gap:6px;padding:0 10px;font-size:13px;font-weight:600;display:inline-flex}.pw-sol-cmath{background:var(--sol-s2);color:var(--sol-ink);border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px 28px;min-width:0;padding:14px 18px;font-size:15px;display:flex}.pw-sol-cmath>.pw-sol-math{max-width:100%}.pw-sol.is-streaming>.pw-sol-flow>.pw-sol-p:last-child:after{content:"";vertical-align:-3px;background:var(--sol-ink);width:2px;height:18px;margin-left:3px;display:inline-block}.pw-sol-pwfig{flex-direction:column;align-items:flex-start;gap:8px;min-width:0;display:flex}.pw-sol-pwfig>img.pw-fig{object-fit:contain;width:auto;max-width:100%;max-height:380px}.pw-sol-pwfig>figcaption{color:var(--sol-ink3);font-size:13px;line-height:1.45}.pw-sol-pwqs>ol{border:1px solid var(--sol-line2);background:var(--sol-s1);box-shadow:var(--sol-shadow);border-radius:12px;padding:0;list-style:none;overflow:hidden}.pw-sol-pwqs li+li{border-top:1px solid var(--sol-line)}.pw-sol-pwq{color:inherit;grid-template-columns:20px minmax(0,1fr) 16px;align-items:start;gap:10px;padding:12px 14px;text-decoration:none;display:grid}.pw-sol-pwq:hover{background:var(--sol-s2)}.pw-sol-pwq:focus-visible{outline:2px solid var(--sol-accent);outline-offset:-2px;border-radius:12px}.pw-sol-pwq-n{color:var(--sol-ink3);font-variant-numeric:tabular-nums;letter-spacing:0;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px;line-height:21px}.pw-sol-pwq-b{flex-direction:column;gap:6px;min-width:0;display:flex}.pw-sol-pwq-stem{color:var(--sol-ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.pw-sol-pwq-stem .katex{font-size:1.04em}.pw-sol-pwq-meta{color:var(--sol-ink3);flex-wrap:wrap;align-items:center;gap:4px 10px;font-size:12px;line-height:18px;display:flex}.pw-sol-pwq-src{color:var(--sol-ink2);font-variant-numeric:tabular-nums}.pw-sol-pwq-chip{border:1px solid var(--sol-line2);height:20px;color:var(--sol-ink2);white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:0 8px;font-size:11.5px;display:inline-flex}.pw-sol-pwq-chip[class*=d-]:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.pw-sol-pwq-chip.d-easy:before{background:var(--sol-good)}.pw-sol-pwq-chip.d-medium:before{background:var(--sol-accent)}.pw-sol-pwq-chip.d-hard:before{background:var(--sol-err)}.pw-sol-pwq-ch{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.pw-sol-pwq-go{color:var(--sol-ink3);margin-top:3px}.pw-sol-pwpend{border:1px dashed var(--sol-line2);min-height:56px;color:var(--sol-ink3);border-radius:12px;justify-content:center;align-items:center;padding:14px;font-size:13px;display:flex}.pw-sol-pwpend.is-figure{max-width:420px;min-height:160px}.pw-sol-pwpend>span,.pw-sol-shimmer{background:linear-gradient(90deg, var(--sol-ink3) 0%, var(--sol-ink3) 40%, var(--sol-ink) 50%, var(--sol-ink3) 60%, var(--sol-ink3) 100%);color:#0000;background-size:250% 100%;-webkit-background-clip:text;background-clip:text;animation:2.2s linear infinite pw-sol-shimmer}@keyframes pw-sol-shimmer{0%{background-position:100% 0}to{background-position:-150% 0}}@media (prefers-reduced-motion:reduce){.pw-sol-pwpend>span,.pw-sol-shimmer{color:var(--sol-ink3);background:0 0;animation:none}}@container pwsol (width<=559px){.pw-sol .pw-sol-band{min-height:148px;padding:18px calc(var(--sol-fig-pw) + var(--sol-fig-pright) + 4px) 18px 16px;gap:8px}.pw-sol .pw-sol-band.is-bare{min-height:0;padding-right:16px}.pw-sol .pw-sol-band:before{width:190px;height:190px;bottom:-70px;right:-10px}.pw-sol .pw-sol-fig-teacher{top:16px;right:var(--sol-fig-pright);width:var(--sol-fig-pw)}.pw-sol .pw-sol-who{gap:7px;font-size:12px}.pw-sol .pw-sol-si{width:14px;height:14px}.pw-sol .pw-sol-headline{letter-spacing:-.02em;font-size:18px}.pw-sol .pw-sol-compact{padding:16px 16px 0}.pw-sol .pw-sol-compact-title{font-size:15px}.pw-sol .pw-sol-compact-sub{font-size:12px}.pw-sol .pw-sol-body{gap:16px;padding:18px 16px}.pw-sol>*{font-size:14px}.pw-sol .pw-sol-wide{display:none}.pw-sol .pw-sol-narrow{display:inline}.pw-sol .pw-sol-flow{gap:16px}.pw-sol .pw-sol-steps,.pw-sol .pw-sol-step{gap:12px}.pw-sol .pw-sol-num{width:22px;height:22px}.pw-sol .pw-sol-table th{padding:9px 10px}.pw-sol .pw-sol-table td{padding:10px;font-size:13px}.pw-sol .pw-sol-table td:first-child{font-size:14px}.pw-sol .pw-sol-table :is(th,td):not(:first-child){min-width:7em}.pw-sol .pw-sol-note{padding:12px 14px}.pw-sol .pw-sol-figure{height:200px;padding:10px}.pw-sol .pw-sol-key{gap:12px;padding:14px}.pw-sol.is-chat>*{font-size:15px}.pw-sol .pw-sol-pwq-ch{display:none}.pw-sol .pw-sol-pwq{gap:8px;padding:12px}.pw-sol.is-chat .pw-sol-flow{gap:12px}.pw-sol .pw-sol-cstep{flex-direction:column;align-items:stretch;gap:8px;padding:12px 14px;display:flex}.pw-sol .pw-sol-cstep>.pw-sol-cnum{position:absolute}.pw-sol .pw-sol-cstep{position:relative}.pw-sol .pw-sol-cnum{width:22px;height:22px;font-size:11px;top:12px;left:14px}.pw-sol .pw-sol-ctext{justify-content:center;min-height:22px;padding-left:32px}.pw-sol .pw-sol-ceq{padding-left:32px;font-size:14px}.pw-sol .pw-sol-ceq .pw-sol-math>.katex-display{text-align:left}.pw-sol .pw-sol-cresult{gap:10px;padding:12px 14px}.pw-sol .pw-sol-cres-l{font-size:14px}.pw-sol .pw-sol-cmath{flex-direction:column;align-items:flex-start;padding:12px 14px;font-size:14px}}.pw-sol.is-chat .pw-sol-tablewrap,.pw-sol.is-chat .pw-sol-math{background:0 0}.pw-sol .pw-sol-math>.katex-display{overflow:visible}