@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_AMS-Regular.BQhdFMY1.woff2) format("woff2"),url(/_astro/KaTeX_AMS-Regular.DMm9YOAa.woff) format("woff"),url(/_astro/KaTeX_AMS-Regular.DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2) format("woff2"),url(/_astro/KaTeX_Caligraphic-Bold.BEiXGLvX.woff) format("woff"),url(/_astro/KaTeX_Caligraphic-Bold.ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Caligraphic-Regular.Di6jR-x-.woff2) format("woff2"),url(/_astro/KaTeX_Caligraphic-Regular.CTRA-rTL.woff) format("woff"),url(/_astro/KaTeX_Caligraphic-Regular.wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Fraktur-Bold.CL6g_b3V.woff2) format("woff2"),url(/_astro/KaTeX_Fraktur-Bold.BsDP51OF.woff) format("woff"),url(/_astro/KaTeX_Fraktur-Bold.BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Fraktur-Regular.CTYiF6lA.woff2) format("woff2"),url(/_astro/KaTeX_Fraktur-Regular.Dxdc4cR9.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_Main-Bold.Cx986IdX.woff2) format("woff2"),url(/_astro/KaTeX_Main-Bold.Jm3AIy58.woff) format("woff"),url(/_astro/KaTeX_Main-Bold.waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/_astro/KaTeX_Main-BoldItalic.DxDJ3AOS.woff2) format("woff2"),url(/_astro/KaTeX_Main-BoldItalic.SpSLRI95.woff) format("woff"),url(/_astro/KaTeX_Main-BoldItalic.DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_Main-Italic.NWA7e6Wa.woff2) format("woff2"),url(/_astro/KaTeX_Main-Italic.BMLOBm91.woff) format("woff"),url(/_astro/KaTeX_Main-Italic.3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Main-Regular.B22Nviop.woff2) format("woff2"),url(/_astro/KaTeX_Main-Regular.Dr94JaBh.woff) format("woff"),url(/_astro/KaTeX_Main-Regular.ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/_astro/KaTeX_Math-BoldItalic.CZnvNsCZ.woff2) format("woff2"),url(/_astro/KaTeX_Math-BoldItalic.iY-2wyZ7.woff) format("woff"),url(/_astro/KaTeX_Math-BoldItalic.B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_Math-Italic.t53AETM-.woff2) format("woff2"),url(/_astro/KaTeX_Math-Italic.DA0__PXp.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_SansSerif-Bold.D1sUS0GD.woff2) format("woff2"),url(/_astro/KaTeX_SansSerif-Bold.DbIhKOiC.woff) format("woff"),url(/_astro/KaTeX_SansSerif-Bold.CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_SansSerif-Italic.C3H0VqGB.woff2) format("woff2"),url(/_astro/KaTeX_SansSerif-Italic.DN2j7dab.woff) format("woff"),url(/_astro/KaTeX_SansSerif-Italic.YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_SansSerif-Regular.DDBCnlJ7.woff2) format("woff2"),url(/_astro/KaTeX_SansSerif-Regular.CS6fqUqJ.woff) format("woff"),url(/_astro/KaTeX_SansSerif-Regular.BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Script-Regular.D3wIWfF6.woff2) format("woff2"),url(/_astro/KaTeX_Script-Regular.D5yQViql.woff) format("woff"),url(/_astro/KaTeX_Script-Regular.C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size1-Regular.mCD8mA8B.woff2) format("woff2"),url(/_astro/KaTeX_Size1-Regular.C195tn64.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_Size2-Regular.Dy4dx90m.woff2) format("woff2"),url(/_astro/KaTeX_Size2-Regular.oD1tc_U0.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_Size3-Regular.CTq5MqoE.woff) format("woff"),url(/_astro/KaTeX_Size3-Regular.DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size4-Regular.Dl5lxZxV.woff2) format("woff2"),url(/_astro/KaTeX_Size4-Regular.BF-4gkZK.woff) format("woff"),url(/_astro/KaTeX_Size4-Regular.DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Typewriter-Regular.CO6r4hn1.woff2) format("woff2"),url(/_astro/KaTeX_Typewriter-Regular.C0xS9mPB.woff) format("woff"),url(/_astro/KaTeX_Typewriter-Regular.D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.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;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .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{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.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;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.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:.8333333333em}.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:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.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:1.6666666667em}.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:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.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:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.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:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.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:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.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:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.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:.4166666667em}.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:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.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:.8333333333em}.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:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.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:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.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:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.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:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.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:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.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{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .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{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg: #0f0a12;--bg2: #140d16;--text: #ffeaf4;--muted: #e6c9d9;--dim: #c49ab3;--pink: #ff9ecb;--pink2: #ffb7d9;--blue: #a8d8ff;--green: #b8f2d6;--purple: #e2a4ff;--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .14);--surface: rgba(255, 255, 255, .025);--surface-hover: rgba(255, 255, 255, .05)}*,*:before,*:after{box-sizing:border-box;border-radius:0}html,body{margin:0;padding:0;min-height:100%;background:radial-gradient(circle at top left,rgba(255,158,203,.12),transparent 30%),radial-gradient(circle at top right,rgba(168,216,255,.12),transparent 28%),linear-gradient(180deg,var(--bg),var(--bg2));color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Noto Sans CJK SC,sans-serif;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none;transition:color .2s ease}a:hover{color:var(--pink)}:focus-visible{outline:2px solid var(--pink);outline-offset:2px}.skip-link{position:absolute;top:-100px;left:8px;background:var(--bg);color:var(--pink);padding:8px 16px;z-index:9999}.skip-link:focus{top:0}.section-label{margin-bottom:18px;color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:700}.back{display:inline-block;margin-top:36px;color:var(--dim);text-decoration:none;font-size:.95rem;transition:color .2s ease}.back:before{content:"$ cd .."}.back:hover{color:var(--pink)}.article-main{max-width:760px;margin:0 auto;padding:28px 24px 112px}.site-header{width:100%;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--border)}.site-header--narrow{max-width:760px;margin:0 auto;padding:0 24px}.site-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:.92rem;font-weight:750;letter-spacing:-.01em}.site-brand-mark{width:9px;height:9px;border-radius:50%;background:var(--pink);box-shadow:0 0 20px #ff9ecba6}.site-nav{display:flex;align-items:center;gap:clamp(16px,3vw,30px)}.site-nav a{color:var(--dim);font-size:.82rem}.site-nav a:hover,.site-nav a:focus-visible,.site-nav a[aria-current=page]{color:var(--text)}.breadcrumb{margin-bottom:32px;font-size:12px;color:var(--dim);display:flex;flex-wrap:wrap;align-items:center;gap:4px}.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .2s ease}.breadcrumb a:hover{color:var(--pink)}.breadcrumb .sep{color:var(--dim);user-select:none;margin:0 2px}.breadcrumb .current{color:var(--muted);font-weight:600}.article-main>h1{max-width:18ch;margin:0 0 12px;color:var(--text);font-size:clamp(2.15rem,7vw,3.35rem);line-height:1.06;letter-spacing:-.045em}.article-main>h1+p{margin:0 0 36px;color:var(--dim);font-size:1.02rem}.article-main>article{margin-top:42px}.prev-next{display:flex;justify-content:space-between;margin-top:56px;padding-top:24px;border-top:1px solid var(--border);gap:16px}.prev{text-align:left;max-width:48%}.next{text-align:right;max-width:48%;margin-left:auto}.prev a,.next a{display:block;color:var(--muted);text-decoration:none;font-size:14px;line-height:1.5;transition:color .2s ease}.prev a:hover,.next a:hover{color:var(--pink)}.prev a:before{content:"← ";color:var(--pink)}.next a:after{content:" →";color:var(--pink)}article h1{font-size:2rem;font-weight:700;margin:0 0 12px;line-height:1.3;color:var(--text)}article h2{font-size:1.4rem;font-weight:700;margin:44px 0 14px;line-height:1.35;color:var(--text);letter-spacing:-.02em}article h3{font-size:1.15rem;font-weight:700;margin:32px 0 10px;line-height:1.4;color:var(--pink2)}article h4{font-size:1.05rem;font-weight:700;margin:24px 0 8px;color:var(--text)}article h5{font-size:.95rem;font-weight:700;margin:20px 0 6px;color:var(--muted)}article h6{font-size:.9rem;font-weight:700;margin:16px 0 4px;color:var(--dim)}article p{margin:0 0 16px;line-height:1.82;color:var(--muted)}article a{color:var(--blue);text-decoration:none;text-underline-offset:.2em;transition:color .2s ease}article a:hover{color:var(--pink);text-decoration:underline}article .wikilink-unresolved{color:var(--dim);text-decoration:underline dotted;text-underline-offset:.2em;cursor:help}article strong{font-weight:700;color:var(--text)}article em{font-style:italic;color:var(--muted)}article code{font-family:ui-monospace,JetBrains Mono,Cascadia Code,Fira Code,SF Mono,Menlo,Consolas,monospace;font-size:.88em;background:var(--bg);color:var(--pink);padding:2px 6px}article pre{margin:20px 0;padding:16px 20px;background:var(--bg);border:1px solid var(--border);overflow-x:auto;font-size:13px;line-height:1.6;tab-size:2}article pre code{background:none;color:var(--text);padding:0;font-size:inherit}article blockquote{margin:20px 0;padding:12px 20px;border-left:3px solid var(--pink);background:#ff9ecb0a;color:var(--muted);font-style:italic}article blockquote p{margin:0}article img{max-width:100%;height:auto;display:block;margin:24px auto;background:#fff}article picture{background:#fff;display:block}article figure{background:#fff}article figure figcaption{color:var(--dim);font-size:.85em;text-align:center;margin-top:8px;padding:4px 8px}article img[src$=".svg"],article img[src*=".svg?"],article img[src*=".svg#"]{background:#fff;padding:12px}article picture img[src$=".svg"],article picture img[src*=".svg?"],article picture img[src*=".svg#"]{background:#fff;padding:12px}article ul,article ol{margin:16px 0;padding-left:24px;line-height:1.75}article li{margin-bottom:6px}article li>ul,article li>ol{margin:4px 0}article table{width:100%;margin:20px 0;border-collapse:collapse;font-size:14px}article thead{border-bottom:2px solid var(--border)}article th{text-align:left;padding:10px 14px;font-weight:700;color:var(--pink)}article td{padding:8px 14px;border-bottom:1px solid var(--border)}article tr:last-child td{border-bottom:none}article hr{border:none;border-top:1px solid var(--border);margin:32px 0}article small,article sub,article sup{font-size:.82em;color:var(--dim)}body:has(article):before{content:"";position:fixed;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--pink),var(--blue),var(--purple),var(--green));z-index:9999;pointer-events:none}.katex{color:var(--text);font-size:1.05em}.katex .mord,.katex .minner,.katex .mathrm,.katex .mtext{color:var(--text)}.katex .mathrm,.katex .mtext{font-style:normal}.katex .mbin,.katex .mrel,.katex .mop{color:var(--pink)}.katex .mopen,.katex .mclose,.katex .stretchy,.katex .delimsizing{color:var(--purple)}.katex .nulldelimiter{color:transparent}.katex .mpunct{color:var(--dim)}.katex .mathit{color:var(--muted);font-style:italic}.katex .mathbf{color:var(--text);font-weight:700}.katex .mathcal{color:var(--blue)}.katex .mathbb{color:var(--purple)}.katex .mathfrak,.katex .mathscr{color:var(--muted)}.katex .mathsf{color:var(--text)}.katex .mathtt,.katex .texttt{color:var(--pink)}.katex .rm{font-style:normal;color:var(--text)}.katex .it{font-style:italic;color:var(--muted)}.katex .bf{font-weight:700;color:var(--text)}.katex .tt{font-family:monospace;color:var(--pink)}.katex .sf{color:var(--text)}.katex .mfrac .frac-line{border-bottom-color:var(--text)}.katex .mfrac .frac-line:before{border-bottom-color:var(--text)}.katex .sqrt-sign{color:var(--text)}.katex .overline,.katex .underline{border-color:var(--text)}.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-color:var(--text)}.katex .mtable,.katex .mtable .col-align-c,.katex .mtable .col-align-l,.katex .mtable .col-align-r,.katex .arraycolsep{color:var(--text)}.katex .mspace{color:transparent}.katex .hline{border-color:var(--border)}.katex-display{margin:24px 0;overflow-x:auto;overflow-y:hidden}.katex-display>.katex{overflow-x:auto;overflow-y:hidden;max-width:100%;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.katex-display>.katex::-webkit-scrollbar{height:4px}.katex-display>.katex::-webkit-scrollbar-track{background:transparent}.katex-display>.katex::-webkit-scrollbar-thumb{background:var(--border)}.katex-display>.katex::-webkit-scrollbar-thumb:hover{background:var(--dim)}.callout{margin:24px 0;padding:16px 20px;border-left:4px solid var(--border);background:var(--bg);font-size:.95rem;line-height:1.7}.callout .callout-title{font-weight:700;margin-bottom:6px;font-size:.95rem}.callout .callout-body{color:var(--muted)}.callout .callout-body p{margin:0 0 8px}.callout .callout-body p:last-child{margin-bottom:0}.callout-note,.callout-info,.callout-todo{border-left-color:var(--blue)}.callout-note .callout-title,.callout-info .callout-title,.callout-todo .callout-title{color:var(--blue)}.callout-summary,.callout-question,.callout-example,.callout-abstract,.callout-hint{border-left-color:var(--purple)}.callout-summary .callout-title,.callout-question .callout-title,.callout-example .callout-title,.callout-abstract .callout-title,.callout-hint .callout-title{color:var(--purple)}.callout-tip,.callout-success,.callout-check,.callout-done{border-left-color:var(--green)}.callout-tip .callout-title,.callout-success .callout-title,.callout-check .callout-title,.callout-done .callout-title{color:var(--green)}.callout-warning,.callout-danger,.callout-bug,.callout-fail,.callout-error,.callout-caution{border-left-color:var(--pink)}.callout-warning .callout-title,.callout-danger .callout-title,.callout-bug .callout-title,.callout-fail .callout-title,.callout-error .callout-title,.callout-caution .callout-title{color:var(--pink)}.callout-quote,.callout-cite{border-left-color:var(--dim)}.callout-quote .callout-title,.callout-cite .callout-title{color:var(--dim)}.page-landing{max-width:1120px;margin:0 auto;padding:0 32px}.landing-hero{position:relative;padding:clamp(72px,11vw,132px) 0 clamp(80px,11vw,126px);border-bottom:1px solid var(--border);overflow:hidden}.landing-hero:after{content:"";position:absolute;width:min(44vw,520px);aspect-ratio:1;top:18%;right:-10%;border-radius:50%;background:radial-gradient(circle,rgba(168,216,255,.12),rgba(226,164,255,.05) 42%,transparent 70%);filter:blur(8px);pointer-events:none}.eyebrow{margin:0 0 20px;color:var(--pink);font-size:.72rem;font-weight:750;letter-spacing:.16em;text-transform:uppercase}.landing-hero h1{position:relative;z-index:1;max-width:820px;margin:0;color:var(--text);font-size:clamp(3.7rem,8.5vw,7.2rem);font-weight:780;line-height:.92;letter-spacing:-.068em}.landing-hero h1 span{color:var(--pink2)}.hero-copy{max-width:630px;margin:34px 0 0;color:var(--muted);font-size:clamp(1rem,1.8vw,1.16rem);line-height:1.75}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid var(--border-strong);font-size:.86rem;font-weight:700}.button--primary{border-color:var(--pink);background:var(--pink);color:#24101a}.button--primary:hover,.button--primary:focus-visible{border-color:var(--pink2);background:var(--pink2);color:#24101a}.button--quiet{color:var(--muted);background:var(--surface)}.button--quiet:hover,.button--quiet:focus-visible{color:var(--text);border-color:var(--pink)}.hero-meta{margin:26px 0 0;color:var(--dim);font-size:.78rem}.hero-meta strong{color:var(--text);font-weight:700}.subject-section,.activity-section{padding:clamp(72px,9vw,112px) 0;border-bottom:1px solid var(--border);scroll-margin-top:20px}.landing-section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,360px);align-items:end;gap:40px;margin-bottom:38px}.landing-section-heading .eyebrow{margin-bottom:10px}.landing-section-heading h2{margin:0;color:var(--text);font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;letter-spacing:-.045em}.landing-section-heading>p{margin:0;color:var(--dim);font-size:.9rem;line-height:1.7}.subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.subject-card{--subject-accent: var(--pink);min-height:320px;display:flex;flex-direction:column;padding:26px;border:1px solid var(--border);background:var(--surface);transition:transform .2s ease,border-color .2s ease,background .2s ease}.subject-card[data-accent="2"]{--subject-accent: var(--blue)}.subject-card[data-accent="3"]{--subject-accent: var(--green)}.subject-card[data-accent="4"]{--subject-accent: var(--purple)}.subject-card:hover{transform:translateY(-3px);border-color:var(--subject-accent);background:var(--surface-hover)}.subject-card-main{display:block}.subject-card-main:hover{color:inherit}.subject-index{display:block;margin-bottom:38px;color:var(--subject-accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.72rem}.subject-card h3{margin:0 0 10px;color:var(--text);font-size:1.55rem;letter-spacing:-.025em}.subject-card-main p{max-width:42ch;margin:0;color:var(--dim);font-size:.88rem;line-height:1.65}.subject-count{display:block;margin-top:18px;color:var(--subject-accent);font-size:.74rem;font-weight:700}.subject-links{display:flex;flex-wrap:wrap;gap:6px 14px;list-style:none;margin:auto 0 18px;padding:26px 0 0}.subject-links a{color:var(--muted);font-size:.76rem}.subject-links a:hover,.subject-links a:focus-visible{color:var(--subject-accent)}.subject-open{display:flex;justify-content:space-between;padding-top:15px;border-top:1px solid var(--border);color:var(--text);font-size:.78rem;font-weight:700}.subject-open span{color:var(--subject-accent)}.landing-footer{display:flex;align-items:center;justify-content:space-between;margin:0;padding:34px 0 50px;border:0;color:var(--dim);font-size:.76rem}.landing-footer a{color:var(--muted)}.ctx{color:var(--dim);font-size:.85rem}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;width:100%;max-width:720px;margin:0 auto}.card{display:block;padding:24px 20px;background:var(--bg);border:1px solid var(--border);text-decoration:none;transition:border-color .2s ease,background .2s ease}.card:hover{border-color:var(--pink);background:#ff9ecb0a}.card .card-title{font-weight:700;font-size:1rem;margin-bottom:8px;color:var(--text)}.card .card-desc{font-size:.88rem;color:var(--dim);line-height:1.5}.card.blue:hover{border-color:var(--blue);background:#a8d8ff0a}.card.blue .card-title{color:var(--blue)}.card.green:hover{border-color:var(--green);background:#b8f2d60a}.card.green .card-title{color:var(--green)}.card.purple:hover{border-color:var(--purple);background:#e2a4ff0a}.card.purple .card-title{color:var(--purple)}.card .emoji{font-size:1.3rem;display:block;margin-bottom:6px}.card .meta{display:block;margin-top:10px;font-size:.82rem;color:var(--dim)}.card .meta strong{color:var(--text)}.card .note-preview{display:block;margin-top:10px;font-size:.82rem;line-height:1.6}.card .note-preview a{display:block;color:var(--dim);text-decoration:none;transition:color .2s ease}.card .note-preview a:hover{color:var(--pink)}.card .note-preview a:before{content:"> ";color:var(--pink)}ol.reco{list-style:none;padding:0;margin:48px auto 0;width:100%;max-width:720px}ol.reco li{margin-bottom:12px;padding:6px 0 6px 14px;border-left:2px solid rgba(255,255,255,.06);transition:border-color .2s}ol.reco li:hover{border-left-color:var(--pink)}ol.reco a{color:var(--muted);text-decoration:none;font-size:.95rem;transition:color .2s ease}ol.reco a:hover{color:var(--pink)}ol.reco a:before{content:"→ ";color:var(--pink)}.dir-section{margin-bottom:28px}.dir-section h2{font-size:1.05rem;margin:0 0 6px}.dir-section h2 a{color:var(--text);text-decoration:none}.dir-section h2 a:before{content:"> ";color:var(--pink)}.dir-section h2 a:hover{color:var(--pink)}.dir-list{list-style:none;padding:0 0 0 16px;margin:0;border-left:2px solid var(--border)}.dir-list li{padding:4px 0}.dir-list a{color:var(--blue);font-size:.9rem}.dir-list a:hover{color:var(--pink)}.dir-list .dir-all{color:var(--dim);font-size:.82rem;font-style:italic}.stats-row{display:flex;gap:24px;margin:48px auto 0;width:100%;max-width:720px;justify-content:center}.stat-block{text-align:center;padding:20px 28px;background:var(--bg);border:1px solid var(--border);min-width:100px}.stat-block .stat-num{font-size:1.6rem;font-weight:700;color:var(--pink);display:block;line-height:1.2}.stat-block .stat-label{font-size:.8rem;color:var(--dim);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;display:block}.quote{margin:48px auto 0;text-align:center;color:var(--dim);font-style:italic;font-size:.95rem;max-width:720px;line-height:1.6}.quote cite{display:block;margin-top:8px;color:var(--muted);font-style:normal;font-size:.85rem}.heatmap-wrap{--hm-cell-size: 14px;--hm-gap: 3px;margin:0;overflow:hidden;border:1px solid var(--border);background:var(--surface)}.activity-summary{display:grid;grid-template-columns:repeat(3,minmax(100px,150px)) minmax(160px,1fr);align-items:center;gap:0;min-height:104px;padding:0 30px;border-bottom:1px solid var(--border)}.activity-stat{display:flex;flex-direction:column;gap:4px}.activity-stat strong{color:var(--text);font-size:1.55rem;line-height:1;letter-spacing:-.035em}.activity-stat span{color:var(--dim);font-size:.69rem;text-transform:uppercase;letter-spacing:.08em}.activity-summary>p{justify-self:end;margin:0;color:var(--dim);font-size:.74rem}.hm-months{display:flex;font-size:11px;color:var(--dim);margin-bottom:4px;padding-left:0}.hm-months span{width:calc(var(--month-span) * (var(--hm-cell-size) + var(--hm-gap)) - var(--hm-gap));flex-shrink:0}.hm-body-wrap{display:flex}.hm-body{display:flex;gap:var(--hm-gap)}.hm-week{display:flex;flex-direction:column;gap:var(--hm-gap)}.hm-cell{appearance:none;width:var(--hm-cell-size);height:var(--hm-cell-size);flex:0 0 var(--hm-cell-size);padding:0;border:0;border-radius:3px;cursor:default;transition:outline .1s}.hm-cell:not(:disabled){cursor:pointer}.hm-cell:not(:disabled):hover,.hm-cell:not(:disabled):focus-visible{outline:1px solid var(--pink);outline-offset:1px}.hm-cell:disabled{opacity:1}.hm-cell.l0{background:#ffffff0a}.hm-cell.l1{background:#ff9ecb40}.hm-cell.l2{background:#ff9ecb80}.hm-cell.l3{background:#ff9ecbbf}.hm-cell.l4{background:#ff9ecb}.hm-legend{display:flex;align-items:center;gap:4px;margin-top:8px;font-size:11px;color:var(--dim);justify-content:flex-end}.hm-legend-label{margin:0 4px}.hm-legend .hm-cell{display:inline-block;cursor:default}.hm-cell.hm-active{outline:2px solid var(--text);outline-offset:1px}.hm-layout{display:grid;grid-template-columns:minmax(300px,1.1fr) minmax(280px,.9fr);min-height:220px}.hm-chart{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px}.hm-detail{margin:0;padding:30px;border-left:1px solid var(--border);background:#ffffff05;font-size:.82rem;line-height:1.6;max-height:260px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.12) transparent}.hm-detail::-webkit-scrollbar{width:4px}.hm-detail::-webkit-scrollbar-thumb{background:#ffffff26}.hm-detail::-webkit-scrollbar-track{background:transparent}.hm-detail-placeholder{color:var(--dim);max-width:25ch}.hm-detail-date{color:var(--text);font-size:1rem;font-weight:700;margin-bottom:14px}.hm-course{color:var(--pink);font-weight:700;margin-top:12px;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}.hm-note{display:block;color:var(--blue);padding:3px 0;font-size:.82rem;text-decoration:none;line-height:1.5}a.hm-note:hover{color:var(--pink);text-decoration:underline}.hm-empty{color:var(--dim);font-size:.8rem}@media(max-width:640px){.hm-layout{grid-template-columns:1fr}.hm-detail{margin:0;width:100%;min-height:130px;border-top:1px solid var(--border);border-left:0}}.children-list{list-style:none;padding:0;margin:16px 0}.children-list li{margin-bottom:4px}.children-list a{display:block;padding:8px 12px;color:var(--muted);text-decoration:none;font-size:.95rem;transition:color .2s ease,background .2s ease}.children-list a:hover{color:var(--pink);background:#ff9ecb0a}.children-list a:before{content:"→ ";color:var(--pink)}.graph-page{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:grab;user-select:none}.graph-page.dragging,.graph-page:active{cursor:grabbing}#graph-svg{width:100%;height:100%;outline:none}#graph-svg:focus-visible{outline:2px solid var(--blue);outline-offset:-4px}.graph-toolbar{position:absolute;z-index:3;top:16px;left:16px;right:16px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:10px 12px;border:1px solid var(--border);background:#0f0a12eb;backdrop-filter:blur(10px);cursor:default}.graph-toolbar>div{min-width:0;display:flex;align-items:baseline;gap:12px}.graph-toolbar strong{color:var(--text);white-space:nowrap}.graph-toolbar span{color:var(--dim);font-size:.78rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.graph-home,#graph-reset,.graph-index summary{color:var(--blue);font:inherit}.graph-home{text-decoration:none}#graph-reset{padding:5px 9px;border:1px solid var(--border);background:transparent;cursor:pointer}.graph-home:hover,.graph-home:focus-visible,#graph-reset:hover,#graph-reset:focus-visible,.graph-index summary:hover,.graph-index summary:focus-visible{color:var(--pink);border-color:var(--pink)}.graph-index{position:absolute;z-index:4;top:86px;left:16px;width:min(320px,calc(100vw - 32px));max-height:min(60vh,520px);padding:8px 10px;border:1px solid var(--border);background:#0f0a12f5;overflow:auto;cursor:default}.graph-index summary{cursor:pointer;font-size:.82rem}.graph-index ul{list-style:none;margin:10px 0 2px;padding:0}.graph-index li+li{margin-top:4px}.graph-index a{display:block;padding:3px 5px;color:var(--muted);font-size:.78rem;text-decoration:none}.graph-index a:hover,.graph-index a:focus-visible{color:var(--pink);background:#ff9ecb0d}.graph-page svg line{stroke:#ffffff14}.graph-page .node-link{cursor:pointer;outline:none}.graph-page svg circle{transition:opacity .15s,stroke .15s}.graph-page svg text{fill:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;pointer-events:none;opacity:0;paint-order:stroke;stroke:var(--bg);stroke-width:3px;stroke-linejoin:round;transition:opacity .15s}.graph-page .node-link:hover text,.graph-page .node-link:focus text{opacity:1}.graph-page .node-link:focus circle{stroke:var(--text);stroke-width:2px}.graph-empty{color:var(--dim);font-size:1rem}.error-page{width:min(680px,calc(100% - 32px));margin:0 auto;padding:18vh 0 80px}.error-code{margin:0;color:var(--pink);font-size:clamp(3rem,12vw,7rem);font-weight:700;line-height:1}.error-page h1{margin:14px 0 10px}.error-page>p:not(.error-code){color:var(--dim);line-height:1.7}.error-page nav{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:28px}.error-page nav a{color:var(--blue);text-decoration:none;border-bottom:1px solid transparent}.error-page nav a:hover,.error-page nav a:focus-visible{color:var(--pink);border-bottom-color:currentColor}footer{margin-top:72px;padding:28px 24px;border-top:1px solid var(--border);color:var(--dim);font-size:13px;text-align:center;line-height:1.6}footer a{color:var(--muted);text-decoration:none;transition:color .2s ease}footer a:hover{color:var(--pink)}@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr)}.page-landing{padding:0 20px}.article-main{padding:28px 20px 80px}.site-header--narrow{padding:0 20px}.activity-summary{grid-template-columns:repeat(3,minmax(90px,1fr))}.activity-summary>p{grid-column:1 / -1;justify-self:start;padding:0 0 18px}.prev-next{flex-direction:column;gap:12px}.prev,.next{max-width:100%;text-align:left}.next{margin-left:0}.stats-row{flex-wrap:wrap;gap:12px}}@media(max-width:640px){.card-grid{grid-template-columns:1fr}.page-landing{padding:0 16px}.site-header{min-height:64px;gap:18px}.site-header--narrow{padding:0 16px}.site-brand{font-size:.82rem}.site-nav{gap:16px}.site-nav a{font-size:.76rem}.site-nav a:last-child{display:none}.landing-hero{padding:64px 0 76px}.landing-hero:after{width:78vw;right:-42%}.landing-hero h1{font-size:clamp(3.25rem,17vw,4.5rem);letter-spacing:-.062em}.hero-copy{margin-top:26px;font-size:.96rem}.hero-actions{align-items:stretch}.button{width:100%}.subject-section,.activity-section{padding:72px 0}.landing-section-heading{grid-template-columns:1fr;gap:16px;margin-bottom:30px}.subject-grid{grid-template-columns:1fr}.subject-card{min-height:300px;padding:22px}.landing-footer{align-items:flex-start;flex-direction:column;gap:8px}.article-main{padding:24px 16px 64px}article h1{font-size:1.5rem}article h2{font-size:1.2rem}article h3{font-size:1.05rem}.title-header h1{font-size:1.8rem}.stat-block{min-width:80px;padding:14px 18px}.stat-block .stat-num{font-size:1.3rem}.hm-months{font-size:10px;padding-left:0}.hm-months span{flex-shrink:0;font-size:0}.hm-months span:after{content:attr(data-short);font-size:10px}.heatmap-wrap{--hm-cell-size: 11px;--hm-gap: 2px}.activity-summary{min-height:0;padding:22px 20px 0}.activity-stat strong{font-size:1.3rem}.activity-stat span{font-size:.58rem}.hm-chart,.hm-detail{padding:24px 20px}.graph-toolbar{top:8px;left:8px;right:8px;gap:8px;padding:8px}.graph-toolbar>div span{display:none}.graph-toolbar strong,.graph-home,#graph-reset{font-size:.78rem}.graph-index{top:66px;left:8px;width:calc(100vw - 16px)}.graph-page svg text{font-size:22px;stroke-width:5px}}@media print{:root{--bg: #fff;--bg2: #fff;--text: #000;--muted: #222;--dim: #444;--pink: #000;--pink2: #000;--blue: #000;--green: #000;--purple: #000;--border: #ccc}html,body{background:#fff;color:#000;font-size:12pt}.skip-link,.breadcrumb,.prev-next,.graph-page,.heatmap-wrap,footer,.back{display:none}body:has(article):before{display:none}.page-landing,.article-main{max-width:none;padding:0;margin:0}article h1,article h2,article h3,.title-header h1,article a,article strong{background:none;color:#000;-webkit-text-fill-color:#000}article h1:before,article h2:before,article h3:before,.section-label:before{color:#000;-webkit-text-fill-color:#000}article a{text-decoration:underline}article img[src$=".svg"],article img[src*=".svg?"],article img[src*=".svg#"],article picture img[src$=".svg"],article picture img[src*=".svg?"],article picture img[src*=".svg#"]{background:none;padding:0}article picture,article figure{background:none}.card{border:1px solid #ccc;background:none}.card .card-title,.card.blue .card-title,.card.green .card-title,.card.purple .card-title{color:#000}.card .card-desc,.card .meta,.card .note-preview a{color:#444}.stat-block{border:1px solid #ccc;background:none}.stat-block .stat-num{color:#000}.stat-block .stat-label{color:#444}.callout{border-left:4px solid #000;background:none}.callout .callout-title{color:#000}.callout .callout-body{color:#222}.katex,.katex .mord,.katex .minner,.katex .mathrm,.katex .mtext,.katex .mbin,.katex .mrel,.katex .mop,.katex .mopen,.katex .mclose,.katex .mpunct,.katex .mathit,.katex .mathbf,.katex .mathcal,.katex .mathbb,.katex .mathfrak,.katex .mathscr,.katex .mathsf,.katex .mathtt,.katex .texttt{color:#000}.katex .mfrac .frac-line{border-bottom-color:#000}.katex .stretchy,.katex .delimsizing{color:#000}.katex .hline{border-color:#ccc}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}