@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:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.block{display:block}.contents{display:contents}.hidden{display:none}.table{display:table}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}}:root{--paper:#f6f2e9;--paper-2:#ebe5da;--surface:#fffcf6;--surface-2:#efe9df;--ink:#17231e;--muted:#68716a;--line:#cfcabe;--brand:#125d50;--brand-bright:#197866;--brand-soft:#dcebe4;--warm:#e96b3b;--warm-dark:#b94320;--warm-soft:#f8dccd;--good:#1b7258;--bad:#b94738;--shadow:0 22px 60px #2027211a;--sans:"Avenir Next", Avenir, "Segoe UI", ui-sans-serif, system-ui, sans-serif;--serif:Iowan Old Style, Baskerville, "Times New Roman", serif;--math:"Cambria Math", Cambria, "Times New Roman", serif}html[data-theme=dark]{--paper:#131a17;--paper-2:#1b2420;--surface:#1d2622;--surface-2:#25302b;--ink:#edf1e9;--muted:#a7b0a7;--line:#3b4942;--brand:#70c7ad;--brand-bright:#88d8bf;--brand-soft:#1d3a32;--warm:#ff8b59;--warm-dark:#ff9c73;--warm-soft:#48291f;--good:#71d2ad;--bad:#ff9a8e;--shadow:0 22px 60px #00000047}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{background:var(--paper);color:var(--ink);font-family:var(--sans);text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--warm);outline-offset:3px}::selection{background:var(--warm-soft);color:var(--ink)}.sr-only,.sr-only:not(:focus):not(:active){clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.section-pad{width:min(1240px,100% - 48px);margin-inline:auto}.narrow-main{width:min(920px,100% - 48px);margin-inline:auto}.narrow-main+.site-footer{margin-top:80px}.equation,.inline-math{font-family:var(--math)}.latex{color:inherit;line-height:1.25}.latex-inline{vertical-align:-.08em;max-width:100%;display:inline-block}.latex-display{width:100%;max-width:100%;display:block;overflow:auto hidden}.latex .katex{font-size:1em}.latex .katex-display{margin:0;padding:.16em 0;overflow:auto hidden}.latex .katex-html{white-space:nowrap}.eyebrow{color:var(--brand);letter-spacing:.15em;text-transform:uppercase;align-items:center;gap:10px;margin:0 0 20px;font-size:12px;font-weight:850;line-height:1.2;display:flex}.eyebrow:before{content:"";background:currentColor;width:24px;height:2px}.eyebrow.warm{color:var(--warm)}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.045em;line-height:.98}h1{font-size:clamp(3.6rem,8vw,7.8rem);font-weight:760}h2{font-size:clamp(2.4rem,5vw,4.8rem);font-weight:720}h1 em,h2 em{color:var(--brand);font-family:var(--serif);font-weight:500}.site-header{z-index:50;border-bottom:1px solid var(--line);position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.site-header{border-bottom:1px solid color-mix(in srgb, var(--line), transparent 20%)}}.site-header{background:var(--paper)}@supports (color:color-mix(in lab, red, red)){.site-header{background:color-mix(in srgb, var(--paper), transparent 8%)}}.site-header{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-inner{justify-content:space-between;align-items:center;gap:26px;width:min(1320px,100% - 36px);min-height:76px;margin:auto;display:flex}.brand{letter-spacing:-.035em;white-space:nowrap;align-items:center;gap:10px;font-size:19px;font-weight:850;display:inline-flex}.brand-mark{background:var(--brand);width:34px;height:34px;color:var(--paper);font-family:var(--math);border-radius:10px 10px 10px 3px;place-items:center;font-size:24px;font-weight:800;display:grid}.desktop-nav{align-items:center;gap:clamp(14px,2.2vw,30px);margin-left:auto;display:flex}.desktop-nav a{color:var(--muted);font-size:13px;font-weight:750;position:relative}.desktop-nav a:after{content:"";background:var(--brand);height:2px;transition:right .2s;position:absolute;bottom:-8px;left:0;right:100%}.desktop-nav a:hover{color:var(--ink)}.desktop-nav a:hover:after{right:0}.header-actions{align-items:center;gap:10px;display:flex}.header-search{border-right:1px solid var(--line);color:var(--muted);align-items:center;gap:6px;padding:8px 10px;font-size:13px;display:flex}.header-search span{font-size:23px;line-height:1;transform:rotate(-18deg)}.theme-control{border:1px solid var(--line);background:var(--surface-2);border-radius:99px;padding:3px;display:flex}.theme-control button{width:28px;height:26px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:99px;padding:0;font-size:11px;font-weight:800}.theme-control button span{display:none}.theme-control button.active{background:var(--ink);color:var(--paper);box-shadow:0 2px 8px #00000026}.mobile-menu{display:none;position:relative}.mobile-menu summary{border:1px solid var(--line);cursor:pointer;border-radius:8px;padding:6px 9px;font-size:12px;font-weight:800;list-style:none}.mobile-menu nav{border:1px solid var(--line);background:var(--surface);width:220px;box-shadow:var(--shadow);border-radius:14px;padding:12px;position:absolute;top:44px;right:0}.mobile-menu nav a{border-radius:8px;padding:10px 12px;font-size:14px;font-weight:750;display:block}.mobile-menu nav a:hover{background:var(--brand-soft)}.hero{grid-template-columns:minmax(0,1.15fr) minmax(420px,.85fr);align-items:center;gap:clamp(50px,8vw,120px);min-height:760px;padding-top:110px;padding-bottom:110px;display:grid}.hero h1{max-width:760px;margin-bottom:34px}.hero h1 em{display:inline-block}.hero-lede{max-width:680px;color:var(--muted);margin-bottom:34px;font-size:clamp(18px,2vw,22px);line-height:1.55}.search-box{border:1px solid var(--line);background:var(--surface);border-radius:13px;align-items:center;gap:8px;padding:7px;display:flex;box-shadow:0 9px 25px #1f2d2612}.search-box-large{max-width:760px}.search-symbol{color:var(--brand);padding-left:14px;font-size:30px;line-height:1;transform:rotate(-18deg)}.search-box input{background:0 0;border:0;outline:0;flex:1;min-width:0;padding:13px 4px;font-size:15px}.button{letter-spacing:-.01em;cursor:pointer;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:12px;min-height:46px;padding:11px 18px;font-size:13px;font-weight:850;transition:transform .15s,background .15s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button-ink{background:var(--ink);color:var(--paper)}.button-ghost{border-color:var(--line);color:var(--ink);background:0 0}.button-warm{background:var(--warm);color:#24140d}.text-link{color:var(--brand);font-size:14px;font-weight:850}.query-examples{flex-wrap:wrap;align-items:center;gap:8px 14px;max-width:760px;margin:14px 0 24px;font-size:12px;display:flex}.query-examples span{color:var(--muted);font-weight:800}.query-examples a{border-bottom:1px solid var(--line);color:var(--brand)}.hero-trust{color:var(--muted);flex-wrap:wrap;gap:10px 24px;font-size:12px;font-weight:700;display:flex}.hero-interaction{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:7px 7px 28px;padding:46px 38px 34px;position:relative;transform:rotate(1deg)}.hero-interaction:before{content:"";z-index:-1;border:1px solid var(--line);border-radius:inherit;background:var(--paper-2);position:absolute;inset:12px -10px -10px 12px}.paper-tab{border-bottom:1px solid var(--line);background:var(--brand-soft);height:30px;color:var(--brand);letter-spacing:.14em;justify-content:space-between;align-items:center;padding:0 18px;font-size:9px;font-weight:900;display:flex;position:absolute;top:0;left:0;right:0}.micro-label{color:var(--muted);margin:0;font-size:12px;font-weight:750}.hero-equation{margin:24px 0 30px;font-size:clamp(2.5rem,5vw,4.4rem);line-height:1;display:block}.hero-equation sup{font-size:.55em}.method-options{gap:10px;display:grid}.method-options button{border:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:12px;padding:12px;font-size:13px;font-weight:700;display:flex}.method-options button span{background:var(--surface-2);width:28px;height:28px;color:var(--muted);border-radius:7px;place-items:center;font-size:10px;font-weight:900;display:grid}.method-options button:hover{border-color:var(--brand)}.method-options button.correct{border-color:var(--good);background:var(--brand-soft)}.method-options button.incorrect{border-color:var(--bad);background:var(--bad)}@supports (color:color-mix(in lab, red, red)){.method-options button.incorrect{background:color-mix(in srgb, var(--bad), transparent 88%)}}.method-feedback{border-left:3px solid var(--brand);background:var(--brand-soft);margin:16px 0;padding:12px;font-size:12px;line-height:1.45;display:none}.method-feedback.show,.method-feedback strong{display:block}.hero-interaction .text-link{margin-top:18px;display:inline-block}.scribble{color:var(--warm);font-family:Segoe Print,cursive;font-size:13px;position:absolute;bottom:-34px;right:-22px;transform:rotate(-7deg)}.paths{border-top:1px solid var(--line);padding-top:110px;padding-bottom:120px}.section-heading{grid-template-columns:1.3fr .7fr;align-items:end;gap:50px;margin-bottom:58px;display:grid}.section-heading h2{margin:0}.section-heading>p{max-width:420px;color:var(--muted);margin:0 0 7px auto}.path-list{border-top:1px solid var(--line)}.path-row{border-bottom:1px solid var(--line);grid-template-columns:45px 62px 1fr auto;align-items:center;gap:24px;min-height:134px;transition:padding .2s,background .2s;display:grid}.path-row:hover{background:var(--surface);padding-inline:18px}.path-num{color:var(--muted);align-self:start;padding-top:30px;font-size:11px;font-weight:800}.icon{border:1px solid var(--line);background:var(--surface);width:58px;height:58px;color:var(--brand);font-family:var(--math);border-radius:50%;place-items:center;font-size:25px;font-weight:800;display:grid}.path-row>span:nth-child(3){grid-template-columns:minmax(190px,.65fr) minmax(250px,1.35fr);align-items:center;gap:30px;display:grid}.path-row strong{letter-spacing:-.035em;font-size:clamp(21px,2vw,28px)}.path-row small{max-width:490px;color:var(--muted);font-size:14px}.path-row>b{font-size:21px}.bee-strip{background:var(--warm-soft);color:var(--ink);border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;margin-top:38px;padding:20px 26px;display:grid}.mini-bee,.bee-large{color:var(--warm-dark);font-family:var(--math);place-items:center;font-size:34px;font-weight:900;display:inline-grid;position:relative}.mini-bee{border:2px solid var(--warm);border-radius:50% 50% 45% 45%;width:44px;height:44px}.mini-bee i,.bee-large i{font-size:12px;position:absolute;top:4px;right:5px}.bee-strip div{align-items:baseline;gap:14px;display:flex}.bee-strip strong{font-size:16px}.bee-strip span{color:var(--ink)}@supports (color:color-mix(in lab, red, red)){.bee-strip span{color:color-mix(in srgb, var(--ink), transparent 25%)}}.bee-strip span{font-size:13px}.bee-strip a{color:var(--warm-dark);font-size:13px;font-weight:900}.featured-answer{background:var(--ink);width:100%;max-width:none;color:var(--paper);grid-template-columns:1fr 1fr;align-items:center;gap:clamp(70px,10vw,150px);padding:120px max(24px,50vw - 620px);display:grid}.featured-answer .eyebrow{color:var(--brand-bright)}.feature-copy h2{color:#f7f2e9}.feature-copy h2 em{color:#8ed5be}.feature-copy>p{color:#f7f2e9b3;max-width:560px;font-size:18px}.featured-answer .button-ink{color:#17231e;background:#f7f2e9}.featured-answer .button-ghost{color:#f7f2e9;border-color:#526059}.button-row{flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;display:flex}.answer-paper{color:#1d2b25;background:#f5eddd;border-radius:4px 4px 28px;flex-direction:column;min-height:440px;padding:30px 35px;display:flex;position:relative;transform:rotate(-1.5deg);box-shadow:22px 25px #263a32}.answer-paper-top{letter-spacing:.14em;border-bottom:1px solid #beb6a8;justify-content:space-between;padding-bottom:18px;font-size:10px;font-weight:900;display:flex}.verified{color:var(--good);white-space:nowrap;align-items:center;gap:6px;font-size:11px;font-weight:850;display:inline-flex}.verified>span{background:var(--brand-soft);border-radius:50%;place-items:center;width:18px;height:18px;display:grid}.featured-equation{text-align:center;margin-top:55px;font-size:clamp(2.2rem,4vw,4rem);display:block}.equals{color:#7b807b;font-family:var(--math);text-align:center;margin:12px 0;font-size:24px}.result-equation{text-align:center;max-width:520px;margin:auto;font-size:clamp(1.25rem,2vw,2rem);line-height:1.45;display:block}.margin-note{color:#b04f2e;margin:40px 0 0 auto;font-family:Segoe Print,cursive;font-size:12px;transform:rotate(-4deg)}.answer-preview{padding-top:120px;padding-bottom:120px}.answer-table{border-top:2px solid var(--ink)}.answer-table-head,.answer-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(340px,2fr) 1fr .75fr .65fr;align-items:center;gap:20px;padding:17px 14px;display:grid}.answer-table-head{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-size:10px;font-weight:900}.answer-row{min-height:92px;transition:background .15s;position:relative}.answer-row:hover{background:var(--surface)}.answer-row>span:first-child{gap:5px;display:grid}.answer-row b{letter-spacing:-.02em}.answer-row small{color:var(--muted)}.answer-row>span:not(:first-child){color:var(--muted);font-size:12px}.answer-row .verified{color:var(--good)}.row-arrow{opacity:0;color:var(--brand);transition:opacity .15s;position:absolute;right:12px}.answer-row:hover .row-arrow{opacity:1}.center-action{text-align:center;padding-top:30px}.split-feature{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;width:100%;max-width:none;padding:0;display:grid}.split-feature>div{min-height:620px;padding:90px max(24px,50vw - 620px)}.split-feature>div:first-child{padding-right:clamp(40px,7vw,100px)}.split-feature>div:last-child{padding-left:clamp(40px,7vw,100px)}.calculator-tease{background:var(--brand-soft)}.calculator-tease h2,.practice-tease h2{font-size:clamp(2.5rem,4vw,4rem)}.calculator-tease>p,.practice-tease>p{max-width:500px;color:var(--muted)}.finder-preview{border:1px solid var(--brand);grid-template-columns:auto 1fr auto;align-items:center;gap:16px;margin-top:50px;padding:20px;display:grid}@supports (color:color-mix(in lab, red, red)){.finder-preview{border:1px solid color-mix(in srgb, var(--brand), transparent 55%)}}.finder-preview{background:var(--surface);box-shadow:8px 10px 0 var(--brand);border-radius:12px}@supports (color:color-mix(in lab, red, red)){.finder-preview{box-shadow:8px 10px 0 color-mix(in srgb, var(--brand), transparent 75%)}}.finder-icon{background:var(--brand);width:52px;height:52px;color:var(--paper);font-family:var(--math);border-radius:10px;place-items:center;font-size:24px;display:grid}.finder-preview>span:nth-child(2){display:grid}.finder-preview small{color:var(--muted)}.finder-preview>b{color:var(--brand);font-size:12px}.check-list{border-top:1px solid var(--line);max-width:530px;margin:34px 0;padding:0;list-style:none}.check-list li{border-bottom:1px solid var(--line);gap:18px;padding:13px 0;font-weight:760;display:flex}.check-list span{color:var(--warm);font-size:11px;font-weight:900}.trust-band{grid-template-columns:.8fr 1.2fr;gap:90px;padding-top:110px;padding-bottom:110px;display:grid}.trust-band h2{font-size:clamp(2.5rem,4vw,4rem)}.trust-links{border-top:1px solid var(--line)}.trust-links a{border-bottom:1px solid var(--line);grid-template-columns:38px 1fr auto;align-items:center;gap:12px;min-height:74px;padding:0 10px;display:grid}.trust-links a:hover{background:var(--surface)}.trust-links span{color:var(--muted);font-size:10px;font-weight:900}.trust-links i{color:var(--brand);font-style:normal}.site-footer{border-top:1px solid var(--line);background:var(--paper-2);padding:70px max(24px,50vw - 620px) 28px}.footer-grid{grid-template-columns:2fr repeat(3,1fr);gap:50px;display:grid}.footer-grid>div{flex-direction:column;align-items:flex-start;gap:9px;display:flex}.footer-grid p{color:var(--muted)}.footer-grid strong{letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px;font-size:12px}.footer-grid a:not(.brand){color:var(--muted);font-size:13px}.footer-grid a:hover{color:var(--brand)}.footer-bottom{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;margin-top:60px;padding-top:20px;font-size:11px;display:flex}.page-hero{border-bottom:1px solid var(--line);padding-top:110px;padding-bottom:100px}.page-hero.compact{padding-bottom:70px}.page-hero h1{max-width:950px;margin-bottom:28px}.page-hero>p{max-width:700px;color:var(--muted);font-size:20px}.inline-search{border:1px solid var(--line);background:var(--surface);border-radius:12px;align-items:center;max-width:760px;padding:5px 16px;display:flex;box-shadow:0 10px 24px #0000000d}.inline-search span{color:var(--brand);font-size:31px;transform:rotate(-18deg)}.inline-search input{background:0 0;border:0;outline:0;width:100%;padding:17px 12px;font-size:18px}.hub-layout{grid-template-columns:230px 1fr;align-items:start;gap:70px;padding-top:65px;padding-bottom:110px;display:grid}.filters{gap:16px;display:grid;position:sticky;top:106px}.filters>strong{border-bottom:2px solid var(--ink);padding-bottom:12px}.filters label{color:var(--muted);gap:5px;font-size:11px;font-weight:800;display:grid}.filters select{border:1px solid var(--line);background:var(--surface);border-radius:7px;width:100%;padding:10px 8px;font-size:13px}.filters p{border-left:3px solid var(--warm);background:var(--warm-soft);color:var(--muted);padding:12px;font-size:11px}.results-head{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:24px;display:flex}.results-head h2{margin:0;font-size:clamp(1.8rem,3vw,2.7rem)}.results-head span{color:var(--muted);font-size:11px}.answer-result{border-top:1px solid var(--line);grid-template-columns:minmax(260px,1fr) minmax(220px,.9fr);gap:18px 40px;padding:25px 48px 22px 20px;transition:background .15s;display:grid;position:relative}.answer-result:hover{background:var(--surface)}.result-type{color:var(--brand);letter-spacing:.12em;text-transform:uppercase;font-size:9px;font-weight:900}.answer-result h3{letter-spacing:-.025em;margin:4px 0 6px;font-size:21px}.answer-result p{color:var(--muted);margin:0}.result-answer{align-content:center;display:grid}.result-answer small{color:var(--muted);text-transform:uppercase;font-size:10px}.result-answer b{font-family:var(--math);font-size:16px;font-weight:500}.result-meta{color:var(--muted);flex-wrap:wrap;grid-column:1/-1;gap:18px;font-size:10px;display:flex}.result-arrow{color:var(--brand);position:absolute;top:50%;right:16px;transform:translateY(-50%)}.search-results{max-width:1040px;padding-top:60px;padding-bottom:110px}.group-label{border-bottom:2px solid var(--ink);letter-spacing:.12em;text-transform:uppercase;margin:40px 0 0;padding:10px 0;font-size:11px}.next-moves{grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;display:grid}.next-moves a{border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:18px;display:grid}.next-moves span{color:var(--brand);font-size:12px}.no-results{border:1px solid var(--line);background:var(--surface);text-align:center;border-radius:14px;padding:50px}.big-symbol{color:var(--brand);font-family:var(--math);font-size:70px}.no-results h3{font-size:26px}.no-results p{max-width:560px;color:var(--muted);margin:0 auto}.no-results code{background:var(--surface-2);margin-top:14px;padding:5px 9px;display:inline-block}.no-results .button-row{justify-content:center}.article{padding-top:48px}.breadcrumbs{color:var(--muted);flex-wrap:wrap;gap:8px;font-size:11px;display:flex}.breadcrumbs a:hover{color:var(--brand)}.article-header{border-bottom:1px solid var(--line);padding:70px 0 50px}.article-header h1{margin-bottom:18px;font-size:clamp(3.2rem,7vw,6.6rem)}.article-kicker{color:var(--brand);font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.2rem)}.metadata{flex-wrap:wrap;gap:10px;margin-top:42px;display:flex}.metadata>span{border:1px solid var(--line);color:var(--muted);border-radius:5px;padding:7px 10px;font-size:10px}.metadata b{color:var(--ink);margin-left:3px}.immediate-answer{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:6px 6px 24px;margin:48px 0 70px}.answer-label{border-bottom:1px solid var(--line);background:var(--brand-soft);color:var(--brand);letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;padding:12px 18px;font-size:10px;font-weight:900;display:flex}.answer-label button{color:var(--brand);cursor:pointer;background:0 0;border:0;font-size:10px;font-weight:900}.giant-equation{text-align:center;gap:12px;padding:44px 34px;display:grid}.giant-equation>.latex:first-child{font-size:clamp(2rem,4vw,3.5rem)}.giant-equation>.latex:last-child{color:var(--brand);font-size:clamp(1.35rem,2.7vw,2.25rem)}.latex-equals{color:var(--muted);font-family:var(--math);font-size:1.4rem;line-height:1}.why{border-top:1px solid var(--line);grid-template-columns:130px 1fr;gap:24px;padding:22px 28px;display:grid}.why strong{text-transform:uppercase;font-size:12px}.why p{color:var(--muted);margin:0}.article-body{max-width:760px;margin-inline:auto}.article-body h2{margin:76px 0 22px;font-size:clamp(2.1rem,4vw,3.3rem)}.article-body>p,.lesson-intro>p{color:var(--ink)}@supports (color:color-mix(in lab, red, red)){.article-body>p,.lesson-intro>p{color:color-mix(in srgb, var(--ink), transparent 14%)}}.article-body>p,.lesson-intro>p{font-family:var(--serif);font-size:20px;line-height:1.8}.inline-math{color:var(--brand);white-space:nowrap}.derivation{border-left:4px solid var(--brand);background:var(--surface);font-family:var(--math);margin:30px 0;padding:30px;font-size:clamp(17px,2.4vw,22px);line-height:1.45;overflow-x:auto}.derivation p{white-space:nowrap;margin-bottom:13px}.derivation hr{border:0;border-top:1px solid var(--line)}.derivation strong{color:var(--brand);white-space:nowrap;padding-top:13px;display:block}.latex-derivation{gap:11px;display:grid}.latex-derivation .katex-display{text-align:left}.latex-derivation .latex:last-child{color:var(--brand);padding-top:8px}.callout{background:var(--ink);color:var(--paper);border-radius:3px 3px 24px;margin:50px -40px;padding:38px 42px;position:relative}.callout>span{color:#8ed5be;letter-spacing:.14em;font-size:9px;font-weight:900}.callout h3{color:#f7f2e9;margin:10px 0;font-size:25px}.callout p{color:#bfc8c0;margin:0}.verify-box{border:1px solid var(--line);background:var(--brand-soft);border-radius:10px;padding:24px}.verify-box>span{color:var(--muted);text-transform:uppercase;font-size:10px;font-weight:800}.verify-box .equation{margin:12px 0;font-size:18px;overflow-x:auto}.verify-equation{margin:12px 0;font-size:18px}.mistakes{counter-reset:item;border-top:1px solid var(--line);padding:0;list-style:none}.mistakes li{border-bottom:1px solid var(--line);grid-template-columns:1fr 1.2fr;gap:20px;padding:18px 0;display:grid}.mistakes span{color:var(--muted)}.related-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.related-grid a{border:1px solid var(--line);background:var(--surface);border-radius:10px;flex-direction:column;min-height:170px;padding:20px;display:flex}.related-grid span{color:var(--brand);letter-spacing:.1em;font-size:9px;font-weight:900}.related-grid b{margin:16px 0 8px}.related-grid small{color:var(--muted);margin-top:auto}.lesson-intro{grid-template-columns:.8fr 1.2fr;align-items:center;gap:40px;margin:48px 0 20px;display:grid}.formula-card{background:var(--brand-soft);color:var(--brand);border-radius:4px 4px 20px;padding:28px}.formula-card>span{letter-spacing:.12em;font-size:9px;font-weight:900}.formula-card .equation{margin-top:25px;font-size:28px}.formula-card-equation{margin-top:25px;font-size:clamp(1.35rem,3vw,2rem)}.signal-list{border-top:1px solid var(--line)}.signal-list>div{border-bottom:1px solid var(--line);grid-template-columns:40px 1fr 1.2fr;gap:16px;padding:18px 0;display:grid}.signal-list span{color:var(--warm);font-size:10px;font-weight:900}.signal-list p{color:var(--muted);margin:0}.article-link,.wrong-move{border:1px solid var(--line);background:var(--surface);border-radius:10px;margin:28px 0;padding:24px}.article-link{justify-content:space-between;align-items:center;gap:20px;display:flex}.article-link .equation{font-size:26px}.article-link-equation{width:auto;max-width:65%;font-size:26px}.article-link b{color:var(--brand);font-size:13px}.wrong-move .equation{color:var(--brand);font-size:30px}.wrong-move-equation{color:var(--brand);font-size:clamp(1.6rem,4vw,2.3rem)}.wrong-move p{color:var(--muted)}.plain-list{padding-left:22px}.plain-list li{margin:12px 0;padding-left:5px}.lesson-cta{background:var(--warm-soft);border-radius:4px 4px 24px;justify-content:space-between;align-items:center;gap:30px;margin:80px -50px 0;padding:45px;display:flex}.lesson-cta h2{margin:0;font-size:2rem}.tool-hero{padding-top:100px;padding-bottom:65px}.tool-hero h1{margin-bottom:24px}.tool-hero>p{max-width:700px;color:var(--muted);font-size:20px}.tool-badges{flex-wrap:wrap;gap:8px;display:flex}.tool-badges span,.tag{border:1px solid var(--line);color:var(--muted);border-radius:99px;padding:5px 9px;font-size:10px;font-weight:750}.tool-wrap{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:40px;padding-bottom:110px;display:grid}.finder-tool{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px 8px 28px;padding:34px}.finder-progress{grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:8px;margin-bottom:40px;display:grid}.finder-progress span{border:1px solid var(--line);width:26px;height:26px;color:var(--muted);border-radius:50%;place-items:center;font-size:10px;display:grid}.finder-progress span.active{border-color:var(--brand);background:var(--brand);color:var(--paper)}.finder-progress i{background:var(--line);height:1px}.finder-progress small{color:var(--muted);letter-spacing:.08em;text-align:center;word-spacing:28px;grid-column:1/-1;font-size:9px}.finder-question{gap:22px;display:grid}.finder-question label{gap:8px;font-weight:800;display:grid}.finder-question select{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:14px}.finder-question .button{justify-self:start}.finder-result{border-top:1px solid var(--line);margin-top:36px;padding-top:36px;position:relative}.finder-result h2{margin-bottom:15px;font-size:2.8rem}.finder-result>p{color:var(--muted)}.finder-result ol{counter-reset:step;padding:0;list-style:none}.finder-result li{border-bottom:1px solid var(--line);counter-increment:step;padding:12px 0}.finder-result li:before{content:"0" counter(step);color:var(--brand);margin-right:15px;font-size:10px;font-weight:900}.result-stamp{border:1px solid var(--brand);color:var(--brand);text-transform:uppercase;border-radius:4px;padding:5px 9px;font-size:9px;font-weight:900;position:absolute;top:30px;right:0;transform:rotate(3deg)}.limitation{border-left:3px solid var(--warm);background:var(--warm-soft);grid-template-columns:100px 1fr;gap:15px;margin-top:22px;padding:14px;font-size:11px;display:grid}.tool-aside{border-top:3px solid var(--ink);background:var(--paper-2);padding:24px}.tool-aside h3{margin-bottom:4px;font-size:13px}.tool-aside p{color:var(--muted);font-size:12px}.tool-aside button{border:1px solid var(--line);background:var(--surface);cursor:pointer;text-align:left;border-radius:6px;width:100%;margin-top:8px;padding:9px}.single-product,.activity-list{padding-top:70px;padding-bottom:110px}.product-row,.activity-row{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:10px 10px 28px;grid-template-columns:auto 1fr auto;align-items:center;gap:34px;padding:40px;display:grid}.product-mark{background:var(--brand);width:86px;height:86px;color:var(--paper);font-family:var(--math);border-radius:20px 20px 20px 5px;place-items:center;font-size:34px;display:grid}.product-row h2,.activity-row h2{margin:0 0 10px;font-size:clamp(2rem,4vw,3.8rem)}.product-row p,.activity-row p{color:var(--muted)}.product-row>b,.activity-row>b{color:var(--brand)}.honest-note{border-left:3px solid var(--warm);max-width:680px;color:var(--muted);margin:35px auto 0;padding-left:18px;font-size:13px}.honest-note strong{color:var(--ink)}.activity-list{gap:20px;display:grid}.activity-row{box-shadow:none}.activity-row>span{background:var(--brand-soft);width:70px;height:70px;color:var(--brand);border-radius:50%;place-items:center;font-weight:900;display:grid}.quiz-page,.bee-page{min-height:760px;padding-top:70px;padding-bottom:100px}.quiz-shell{border:1px solid var(--line);background:var(--surface);max-width:850px;box-shadow:var(--shadow);border-radius:8px 8px 28px;margin:0 auto;overflow:hidden}.quiz-top{border-bottom:1px solid var(--line);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;padding:14px 22px;font-size:10px;font-weight:850;display:flex}.quiz-top b{color:var(--warm);font-variant-numeric:tabular-nums}.quiz-bar{background:var(--surface-2);height:4px}.quiz-bar i{background:var(--brand);height:100%;transition:width .25s;display:block}.quiz-question{padding:clamp(28px,6vw,60px)}.quiz-question h2{margin-bottom:28px;font-size:clamp(2rem,4vw,3.2rem)}.quiz-equation{color:var(--brand);margin:25px 0 35px;font-size:clamp(2.2rem,5vw,4rem)}.quiz-choices{grid-template-columns:1fr 1fr;gap:12px;display:grid}.quiz-choices button{border:1px solid var(--line);cursor:pointer;text-align:left;background:0 0;border-radius:8px;align-items:center;gap:12px;min-height:68px;padding:12px;display:flex}.quiz-choices button>span:first-child{background:var(--surface-2);width:30px;height:30px;color:var(--muted);border-radius:7px;flex:none;place-items:center;font-size:10px;font-weight:900;display:grid}.quiz-choices .choice-content{align-items:center;min-width:0;font-size:1rem;display:inline-flex;overflow-x:auto}.quiz-choices .choice-content .latex{max-width:100%}.quiz-choices button:hover:not(:disabled){border-color:var(--brand);background:var(--brand-soft)}.quiz-choices button.correct{border-color:var(--good);background:var(--brand-soft)}.quiz-choices button.incorrect{border-color:var(--bad);background:var(--bad)}@supports (color:color-mix(in lab, red, red)){.quiz-choices button.incorrect{background:color-mix(in srgb, var(--bad), transparent 88%)}}.quiz-choices button.muted{opacity:.55}.quiz-choices button>b{color:var(--good);margin-left:auto}.quiz-feedback{border-left:4px solid var(--good);background:var(--brand-soft);margin-top:22px;padding:18px}.quiz-feedback.wrong{border-color:var(--bad);background:var(--bad)}@supports (color:color-mix(in lab, red, red)){.quiz-feedback.wrong{background:color-mix(in srgb, var(--bad), transparent 90%)}}.quiz-feedback p{color:var(--muted);margin:4px 0 10px}.quiz-feedback button{color:var(--brand);cursor:pointer;background:0 0;border:0;padding:0;font-weight:900}.quiz-start,.quiz-finish{border:1px solid var(--line);background:var(--surface);max-width:850px;min-height:560px;box-shadow:var(--shadow);text-align:center;border-radius:8px 8px 34px;flex-direction:column;justify-content:center;align-items:center;margin:0 auto;padding:70px;display:flex}.quiz-start h1{margin:10px 0 25px;font-size:clamp(3rem,7vw,5.7rem)}.quiz-start>p,.quiz-finish>p{max-width:610px;color:var(--muted);font-size:18px}.quiz-start small{color:var(--muted);margin-top:18px}.bee-large{border:2px solid var(--warm);width:80px;height:80px;color:var(--warm);border-radius:50% 50% 44% 44%;margin-bottom:20px;font-size:60px}.mode-toggle{background:var(--surface-2);border-radius:99px;margin:8px 0 24px;padding:4px;display:flex}.mode-toggle button{cursor:pointer;background:0 0;border:0;border-radius:99px;padding:8px 22px;font-size:12px;font-weight:850}.mode-toggle button.active{background:var(--ink);color:var(--paper)}.score-ring{border:8px solid var(--brand-soft);border-top-color:var(--brand);border-radius:50%;justify-content:center;align-items:baseline;width:160px;height:160px;display:flex;transform:rotate(-8deg)}.score-ring strong{font-family:var(--math);font-size:70px;line-height:150px;transform:rotate(8deg)}.score-ring span{color:var(--muted);transform:rotate(8deg)}.quiz-finish h2{margin:28px 0 12px;font-size:3rem}.skill-review{flex-wrap:wrap;justify-content:center;gap:8px;max-width:600px;display:flex}.skill-review strong{text-transform:uppercase;width:100%;font-size:11px}.skill-review span{background:var(--warm-soft);color:var(--warm-dark);border-radius:99px;padding:5px 9px;font-size:11px}.subject-hero{border-bottom:1px solid var(--line);grid-template-columns:1fr auto;align-items:center;gap:70px;padding-top:100px;padding-bottom:85px;display:grid}.subject-hero h1{margin:0}.subject-hero p{max-width:670px;color:var(--muted);font-size:20px}.subject-mark{background:var(--brand-soft);width:220px;height:220px;color:var(--brand);font-family:var(--math);border-radius:50% 50% 45% 45%;place-items:center;font-size:140px;display:grid;position:relative}.subject-mark span{font-size:18px;position:absolute;bottom:38px;right:35px}.subject-sections{grid-template-columns:1fr 340px;gap:70px;padding-top:80px;padding-bottom:110px;display:grid}.subject-sections h2{font-size:3rem}.subject-side{flex-direction:column;display:flex}.subject-side a{border-bottom:1px solid var(--line);padding:18px 4px;display:grid}.subject-side span{color:var(--brand);font-size:11px}.policy-page{padding:110px 0}.policy-page h1{max-width:850px;margin-bottom:35px}.policy-intro{max-width:760px;color:var(--muted);font-family:var(--serif);margin-bottom:80px;font-size:25px;line-height:1.6}.policy-page section{border-top:1px solid var(--line);grid-template-columns:60px 1fr;gap:30px;padding:35px 0;display:grid}.policy-page section>span{color:var(--warm);font-size:11px;font-weight:900}.policy-page section h2{margin-bottom:15px;font-size:2.2rem}.policy-page section p{max-width:700px;color:var(--muted);font-size:18px}.not-found{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:760px;padding-top:90px;padding-bottom:100px;display:flex}.not-found>span{color:var(--brand-soft);font-family:var(--math);margin-bottom:-25px;font-size:clamp(8rem,25vw,18rem);font-weight:900;line-height:.8}.not-found h1{font-size:clamp(3rem,7vw,6rem)}.not-found>p{max-width:650px;color:var(--muted);font-size:18px}.not-found .search-box{width:min(720px,100%)}.not-found .button-row{justify-content:center}.topic-home-section{padding-top:118px;padding-bottom:120px}.topic-home-grid{border-top:2px solid var(--ink)}.topic-home-row{border-bottom:1px solid var(--line);grid-template-columns:54px minmax(0,1fr) 90px 24px;align-items:center;gap:24px;min-height:112px;padding:18px 12px;transition:padding .18s,background .18s;display:grid}.topic-home-row:hover{background:var(--surface);padding-inline:24px}.topic-home-row>span{color:var(--warm);font-size:11px;font-weight:900}.topic-home-row>div{grid-template-columns:minmax(230px,.7fr) minmax(300px,1.3fr);align-items:center;gap:30px;display:grid}.topic-home-row b{letter-spacing:-.035em;font-size:clamp(1.3rem,2.2vw,2rem)}.topic-home-row small{max-width:620px;color:var(--muted);font-size:13px}.topic-home-row em{color:var(--muted);text-transform:uppercase;font-size:10px;font-style:normal;font-weight:800}.topic-home-row i{color:var(--brand);font-style:normal}.topic-home-action{justify-content:space-between;align-items:center;gap:20px;padding-top:30px;display:flex}.topic-home-action>span{color:var(--muted);font-size:11px}.library-hero{border-bottom:1px solid var(--line);min-height:610px;padding-top:110px;padding-bottom:90px;position:relative}.library-hero h1{max-width:1050px;margin-bottom:32px}.library-hero>p:not(.eyebrow){max-width:720px;color:var(--muted);font-size:20px}.library-count{color:var(--brand);align-items:center;gap:15px;display:flex;position:absolute;bottom:80px;right:0}.library-count strong{font-family:var(--math);font-size:72px;line-height:1}.library-count span{color:var(--muted);text-transform:uppercase;font-size:11px;line-height:1.4}.archetype-strip{border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);padding-top:50px;padding-bottom:60px;display:grid}.archetype-strip>div{border-left:1px solid var(--line);min-height:155px;padding:18px 24px}.archetype-strip>div:first-child{border-left:0;padding-left:0}.archetype-strip span{color:var(--warm);font-size:10px;font-weight:900}.archetype-strip b{margin:20px 0 8px;font-size:18px;display:block}.archetype-strip p{color:var(--muted);margin:0;font-size:12px;line-height:1.5}.topic-directory{padding-top:50px;padding-bottom:120px}.topic-directory-block{border-bottom:1px solid var(--line);padding:72px 0}.topic-directory-block>header{grid-template-columns:70px 1fr auto;align-items:start;gap:25px;margin-bottom:36px;display:grid}.topic-directory-block>header>span{color:var(--brand-soft);font-family:var(--math);font-size:76px;font-weight:900;line-height:.9}.topic-directory-block h2{margin-bottom:12px;font-size:clamp(2.5rem,4vw,4.2rem)}.topic-directory-block header div>p:last-child{max-width:650px;color:var(--muted)}.topic-directory-block header>a{color:var(--brand);align-self:center;font-size:12px;font-weight:900}.library-row{border-top:1px solid var(--line);grid-template-columns:48px minmax(0,1fr) 150px 24px;align-items:center;gap:20px;min-height:100px;padding:17px 12px;transition:background .15s,padding .15s;display:grid;position:relative}.library-row:hover{background:var(--surface);padding-inline:20px}.library-row-number{color:var(--muted);font-size:10px;font-weight:900}.library-row-main{grid-template-columns:110px minmax(230px,.8fr) minmax(260px,1.2fr);align-items:center;gap:18px;display:grid}.library-row-main small{color:var(--brand);letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:900}.library-row-main b{letter-spacing:-.02em}.library-row-main em{color:var(--muted);font-size:12px;font-style:normal}.library-row-meta{color:var(--muted);gap:13px;font-size:10px;display:flex}.library-row-arrow{color:var(--brand)}.topic-page-hero{border-bottom:1px solid var(--line);padding-top:55px;padding-bottom:72px}.topic-hero-grid{grid-template-columns:1fr auto;align-items:end;gap:60px;min-height:430px;padding-top:70px;display:grid}.topic-hero-grid h1{max-width:900px;margin-bottom:25px}.topic-hero-grid>div>p:last-child{max-width:720px;color:var(--muted);font-size:19px}.topic-big-number{color:var(--brand-soft);font-family:var(--math);font-size:clamp(8rem,20vw,15rem);font-weight:900;line-height:.75}.topic-page-body{grid-template-columns:230px 1fr;align-items:start;gap:70px;padding-top:72px;padding-bottom:100px;display:grid}.topic-page-body>aside{border-top:3px solid var(--ink);gap:8px;padding-top:18px;display:grid;position:sticky;top:110px}.topic-page-body>aside span{color:var(--brand);font-size:11px;font-weight:800}.topic-page-body>aside p{color:var(--muted);font-size:12px}.topic-page-body>aside a{color:var(--brand);font-size:11px;font-weight:900}.topic-article-list{border-bottom:1px solid var(--line)}.topic-sequence{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:20px;padding-top:25px;padding-bottom:90px;display:grid}.topic-sequence a{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:20px;display:grid}.topic-sequence a:last-child{text-align:right}.topic-sequence small{color:var(--muted);text-transform:uppercase;font-size:10px}.library-article{width:min(1160px,100% - 48px);margin-inline:auto}.library-article-header{border-bottom:1px solid var(--line);padding:50px 0 70px}.article-format-line{flex-wrap:wrap;gap:8px;margin:80px 0 25px;display:flex}.article-format-line span{border:1px solid var(--line);color:var(--muted);text-transform:uppercase;border-radius:99px;padding:5px 9px;font-size:9px;font-weight:850}.article-format-line span:first-child{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.library-article-header h1{max-width:1050px;margin-bottom:28px;font-size:clamp(3.4rem,7.5vw,7rem)}.library-article-header>p{max-width:780px;color:var(--muted);font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,1.8rem);line-height:1.5}.library-header-formula{border-left:4px solid var(--brand);background:var(--surface);max-width:880px;color:var(--brand);margin-top:45px;padding:25px;font-size:clamp(1.4rem,3vw,2.4rem)}.library-header-formula .katex-display{text-align:left}.archetype-note{border-bottom:1px solid var(--line);background:var(--paper-2);grid-template-columns:130px 1fr auto;align-items:center;gap:20px;min-height:68px;padding:14px 18px;display:grid}.archetype-note span{color:var(--brand);text-transform:uppercase;font-size:10px;font-weight:900}.archetype-note p{color:var(--muted);margin:0;font-size:12px}.archetype-note b{color:var(--muted);text-transform:uppercase;font-size:9px}.library-immediate{border:1px solid var(--line);background:var(--surface);max-width:960px;box-shadow:var(--shadow);border-radius:6px 6px 22px;grid-template-columns:155px 1fr;margin:52px auto 70px;display:grid}.library-immediate>div:first-child{border-right:1px solid var(--line);background:var(--brand-soft);flex-direction:column;gap:5px;padding:25px;display:flex}.library-immediate>div:first-child span{color:var(--brand);text-transform:uppercase;font-size:9px;font-weight:900}.library-immediate>div:first-child b{font-size:14px}.library-immediate>div:last-child{padding:32px}.library-immediate-formula{color:var(--brand);margin-bottom:22px;font-size:clamp(1.3rem,3vw,2.1rem)}.library-immediate p{max-width:680px;color:var(--muted);margin:0;font-size:16px}.library-reading-layout{grid-template-columns:210px minmax(0,760px);justify-content:center;align-items:start;gap:70px;display:grid}.article-toc{border-top:3px solid var(--ink);padding-top:17px;display:grid;position:sticky;top:108px}.article-toc>strong{margin-bottom:12px;font-size:12px}.article-toc a{border-top:1px solid var(--line);color:var(--muted);grid-template-columns:25px 1fr;gap:7px;padding:9px 0;font-size:10px;line-height:1.35;display:grid}.article-toc a span{color:var(--warm);font-weight:900}.library-reading-column{min-width:0}.library-prose-section{padding:15px 0 72px;scroll-margin-top:100px;position:relative}.library-prose-section+.library-prose-section{border-top:1px solid var(--line);padding-top:65px}.section-index{color:var(--warm);font-size:10px;font-weight:900}.library-prose-section h2{margin:14px 0 28px;font-size:clamp(2.2rem,4vw,3.4rem)}.library-prose-section>p{color:var(--ink)}@supports (color:color-mix(in lab, red, red)){.library-prose-section>p{color:color-mix(in srgb, var(--ink), transparent 12%)}}.library-prose-section>p{font-family:var(--serif);font-size:19px;line-height:1.75}.section-formula{border-left:3px solid var(--brand);background:var(--brand-soft);color:var(--brand);margin-top:30px;padding:20px;font-size:clamp(1.15rem,2.5vw,1.65rem)}.worked-example{border:1px solid var(--line);background:var(--surface);border-radius:6px 6px 24px;margin:10px 0 80px;scroll-margin-top:100px;overflow:hidden}.worked-example-head{background:var(--ink);color:var(--paper);text-transform:uppercase;justify-content:space-between;padding:12px 18px;font-size:10px;display:flex}.worked-example>h2{border-bottom:1px solid var(--line);margin:0;padding:34px 30px;font-size:clamp(1.7rem,3.5vw,2.6rem);line-height:1.1}.worked-steps>div{border-bottom:1px solid var(--line);grid-template-columns:28px minmax(210px,.9fr) minmax(240px,1.1fr);align-items:center;gap:20px;min-height:115px;padding:18px 25px;display:grid}.worked-steps>div>span{background:var(--brand-soft);width:26px;height:26px;color:var(--brand);border-radius:50%;place-items:center;font-size:10px;font-weight:900;display:grid}.worked-steps .latex{font-size:1.15rem}.worked-steps .katex-display{text-align:left}.worked-steps p{color:var(--muted);margin:0;font-size:12px}.worked-result{background:var(--brand-soft);color:var(--brand);grid-template-columns:70px 1fr;align-items:center;gap:20px;padding:28px;display:grid}.worked-result>span{text-transform:uppercase;font-size:10px;font-weight:900}.worked-result .latex{font-size:clamp(1.2rem,3vw,1.8rem)}.worked-result .katex-display{text-align:left}.mistake-takeaway-grid{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;scroll-margin-top:100px;display:grid}.mistake-takeaway-grid>div{padding:42px 34px}.mistake-takeaway-grid>div:first-child{border-right:1px solid var(--line)}.mistake-takeaway-grid>div:last-child{background:var(--brand-soft)}.mistake-takeaway-grid>div>span{color:var(--warm);text-transform:uppercase;font-size:9px;font-weight:900}.mistake-takeaway-grid h2{margin:12px 0 24px;font-size:2rem}.mistake-takeaway-grid ol{margin:0;padding-left:18px}.mistake-takeaway-grid li{color:var(--muted);margin:13px 0;padding-left:5px;font-size:12px}.related-library{margin:90px 0 70px}.related-library>div{margin-bottom:25px}.related-library h2{font-size:2.8rem}.related-library>a{border-top:1px solid var(--line);grid-template-columns:130px 1fr auto;align-items:center;gap:18px;min-height:82px;display:grid}.related-library>a:last-child{border-bottom:1px solid var(--line)}.related-library>a span{color:var(--brand);text-transform:uppercase;font-size:9px;font-weight:900}.related-library>a i{color:var(--brand);font-style:normal}.article-sequence{grid-template-columns:1fr 1fr;gap:16px;margin:0 0 100px;display:grid}.article-sequence a{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:22px;display:grid}.article-sequence a:last-child{text-align:right}.article-sequence small{color:var(--muted);text-transform:uppercase;font-size:9px}.library-search-group{border-top:3px solid var(--ink);margin-top:55px;padding-top:45px}.filter-topic-link{color:var(--brand);font-size:11px;font-weight:900}.subject-hero-actions{flex-wrap:wrap;gap:10px;margin-top:30px;display:flex}.calculus-map{padding-top:100px;padding-bottom:110px}.calculus-map-list{border-top:2px solid var(--ink)}.calculus-map-list>a{border-bottom:1px solid var(--line);grid-template-columns:52px minmax(0,1fr) 110px 22px;align-items:center;gap:22px;min-height:115px;display:grid}.calculus-map-list>a>span{color:var(--warm);font-size:10px;font-weight:900}.calculus-map-list>a>div{grid-template-columns:minmax(230px,.75fr) minmax(300px,1.25fr);align-items:center;gap:25px;display:grid}.calculus-map-list b{font-size:clamp(1.25rem,2.2vw,1.9rem)}.calculus-map-list small{color:var(--muted);font-size:12px}.calculus-map-list em{color:var(--muted);text-transform:uppercase;font-size:9px;font-style:normal}.calculus-map-list i{color:var(--brand);font-style:normal}.calculus-tools{border-top:1px solid var(--line);grid-template-columns:1.3fr repeat(3,1fr);gap:12px;padding-top:80px;padding-bottom:100px;display:grid}.calculus-tools>a{border:1px solid var(--line);background:var(--surface);border-radius:8px;flex-direction:column;min-height:180px;padding:22px;display:flex}.calculus-tools>a span{color:var(--brand);text-transform:uppercase;font-size:9px;font-weight:900}.calculus-tools>a b{margin-top:20px}.calculus-tools>a small{color:var(--muted);margin-top:auto}@media (width<=1080px){.desktop-nav{display:none}.mobile-menu{display:block}.hero{grid-template-columns:1fr}.hero-copy{max-width:850px}.hero-interaction{width:min(620px,90%);margin:auto}.split-feature>div{padding-inline:40px}.answer-table-head,.answer-row{grid-template-columns:minmax(300px,2fr) 1fr .8fr}.answer-table-head>:nth-child(4),.answer-row>:nth-child(4){display:none}.library-row-main{grid-template-columns:100px 1fr}.library-row-main em{grid-column:2}.calculus-tools{grid-template-columns:1fr 1fr}}@media (width<=800px){.section-pad,.narrow-main{width:min(100% - 30px,680px)}.header-inner{width:calc(100% - 20px);min-height:66px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}.header-search b{display:none}.header-search{padding-right:6px}.theme-control button{width:24px}.hero{gap:75px;min-height:auto;padding-top:74px;padding-bottom:90px}h1{font-size:clamp(3.2rem,16vw,5.8rem)}.search-box-large{grid-template-columns:auto 1fr;display:grid}.search-box-large .button{grid-column:1/-1;width:100%}.hero-trust{flex-direction:column;gap:6px}.hero-interaction{width:95%;padding-inline:24px}.section-heading{grid-template-columns:1fr;gap:22px}.section-heading>p{margin-left:0}.path-row{grid-template-columns:34px 50px 1fr auto;gap:12px}.path-row>span:nth-child(3){flex-direction:column;align-items:flex-start;gap:5px;display:flex}.icon{width:46px;height:46px}.bee-strip{grid-template-columns:auto 1fr}.bee-strip div{gap:1px;display:grid}.bee-strip a{grid-column:2}.featured-answer{grid-template-columns:1fr;padding:90px 20px}.answer-paper{min-height:370px;padding-inline:20px}.answer-preview{overflow:hidden}.answer-table{overflow-x:auto}.answer-table-head,.answer-row{min-width:680px}.split-feature{grid-template-columns:1fr}.split-feature>div{min-height:auto;padding:80px 24px!important}.trust-band{grid-template-columns:1fr;gap:35px}.footer-grid{grid-template-columns:1.5fr 1fr}.footer-bottom{flex-direction:column;gap:7px}.hub-layout{grid-template-columns:1fr;gap:35px}.filters{grid-template-columns:1fr 1fr;position:static}.filters>strong,.filters p{grid-column:1/-1}.answer-result{grid-template-columns:1fr}.result-meta{grid-column:auto}.why{grid-template-columns:1fr;gap:4px}.callout{margin-inline:0}.mistakes li{grid-template-columns:1fr;gap:5px}.related-grid,.lesson-intro{grid-template-columns:1fr}.signal-list>div{grid-template-columns:35px 1fr}.signal-list p{grid-column:2}.lesson-cta{flex-direction:column;align-items:flex-start;margin-inline:0}.tool-wrap{grid-template-columns:1fr}.tool-aside{grid-template-columns:1fr 1fr;gap:10px 20px;display:grid}.product-row,.activity-row{grid-template-columns:auto 1fr;padding:28px}.product-row>b,.activity-row>b{grid-column:2}.quiz-choices{grid-template-columns:1fr}.quiz-start,.quiz-finish{padding:40px 22px}.subject-hero{grid-template-columns:1fr}.subject-mark{display:none}.subject-sections{grid-template-columns:1fr}.topic-home-row{grid-template-columns:38px 1fr 22px}.topic-home-row>div{grid-template-columns:1fr;gap:5px;display:grid}.topic-home-row>em{display:none}.topic-home-action{flex-direction:column;align-items:flex-start}.library-hero{min-height:570px}.library-count{margin-top:40px;position:static}.archetype-strip{grid-template-columns:1fr 1fr}.archetype-strip>div:nth-child(3){border-left:0}.topic-directory-block>header{grid-template-columns:50px 1fr}.topic-directory-block header>a{grid-column:2}.library-row{grid-template-columns:38px 1fr 22px}.library-row-main{grid-template-columns:1fr;gap:5px;display:grid}.library-row-main em{grid-column:auto}.library-row-meta{display:none}.topic-hero-grid{grid-template-columns:1fr;min-height:360px}.topic-big-number{display:none}.topic-page-body{grid-template-columns:1fr}.topic-page-body>aside{position:static}.library-article{width:min(100% - 30px,680px)}.archetype-note{grid-template-columns:110px 1fr}.archetype-note b{grid-column:2}.library-immediate{grid-template-columns:1fr}.library-immediate>div:first-child{border-right:0;border-bottom:1px solid var(--line)}.library-reading-layout{grid-template-columns:1fr}.article-toc{grid-template-columns:1fr 1fr;gap:0 16px;position:static}.article-toc>strong{grid-column:1/-1}.worked-steps>div{grid-template-columns:28px 1fr}.worked-steps p{grid-column:2}.calculus-map-list>a{grid-template-columns:38px 1fr 22px}.calculus-map-list>a>div{grid-template-columns:1fr;gap:5px}.calculus-map-list em{display:none}}@media (width<=520px){.site-header .brand>span:last-child{display:none}.header-actions{margin-left:auto}.hero h1{font-size:3.65rem}.query-examples{display:none}.scribble{right:0}.paths{padding-top:80px}.path-row{grid-template-columns:28px 1fr auto;min-height:150px}.path-row .icon{display:none}.path-num{padding-top:22px}.bee-strip{padding:18px}.finder-preview{grid-template-columns:auto 1fr}.finder-preview>b{grid-column:2}.footer-grid{grid-template-columns:1fr}.answer-result{padding-left:10px}.next-moves,.filters{grid-template-columns:1fr}.filters>strong,.filters p{grid-column:auto}.giant-equation{padding-inline:16px}.article-body>p{font-size:18px}.derivation{margin-inline:-5px;padding:20px 16px}.article-link{flex-direction:column;align-items:flex-start}.tool-aside{display:block}.product-row,.activity-row{grid-template-columns:1fr}.product-row>b,.activity-row>b{grid-column:1}.product-mark,.activity-row>span{width:62px;height:62px}.finder-tool{padding:22px 16px}.limitation{grid-template-columns:1fr}.quiz-question{padding:30px 18px}.policy-page section{grid-template-columns:36px 1fr;gap:10px}.archetype-strip{grid-template-columns:1fr}.archetype-strip>div{border-left:0;border-top:1px solid var(--line);padding-left:0}.topic-directory-block>header{grid-template-columns:1fr}.topic-directory-block>header>span{display:none}.topic-directory-block header>a{grid-column:1}.topic-sequence,.article-sequence{grid-template-columns:1fr}.topic-sequence a:last-child,.article-sequence a:last-child{text-align:left}.library-article-header h1{font-size:3.2rem}.article-format-line{margin-top:55px}.archetype-note{grid-template-columns:1fr}.archetype-note b{grid-column:1}.library-immediate>div:last-child{padding:24px 18px}.article-toc,.mistake-takeaway-grid{grid-template-columns:1fr}.mistake-takeaway-grid>div:first-child{border-right:0;border-bottom:1px solid var(--line)}.related-library>a{grid-template-columns:1fr auto;padding:14px 0}.related-library>a span{grid-column:1}.calculus-tools{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}