@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{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{color-scheme:light;--paper: #f2f8f7;--surface: #ffffff;--ink: #0f2a2e;--ink-soft: #4a6568;--line: #d3e4e2;--accent: #0d8577;--accent-2: #0284c7;--accent-ink: #ffffff;--band: #e9eeed;--deep-dark: #062a2c;--deep: #0e5a5c;--glow: #2dd4bf;--glow-2: #38bdf8;--on-deep: #d6f5f0;--success: #2d7a4f;--danger: #b42318;--font-sans: "IBM Plex Sans", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--radius: 6px;--shadow: 0 1px 2px rgba(15, 42, 46, .06), 0 4px 16px rgba(15, 42, 46, .06);--max: 1120px}:root[data-theme=dark]{color-scheme:dark;--paper: #091719;--surface: #0f2326;--ink: #e4f2f0;--ink-soft: #8fb0ad;--line: #1d3a3c;--accent: #2dd4bf;--accent-2: #38bdf8;--accent-ink: #062a2c;--band: #101b1c}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--ink);background-color:var(--paper)}a{color:inherit}h1,h2,h3{line-height:1.2;letter-spacing:-.01em}h2{margin-top:2.5rem}img{max-width:100%}input,textarea,button{font:inherit;color:inherit}.container{max-width:var(--max);margin:0 auto;padding:0 16px}.shell{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;width:100%;padding-top:32px;padding-bottom:64px}.main:has(>.band:last-child){padding-bottom:0}.muted{color:var(--ink-soft)}.eyebrow{font-family:var(--font-mono);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:0 0 8px}.page-title{margin:0 0 24px}.lead{font-size:1.15rem;color:var(--ink-soft)}.topbar{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}.topbar__inner{display:flex;align-items:center;gap:24px;height:60px}.logo{font-family:var(--font-mono);font-weight:500;font-size:1.1rem;text-decoration:none}.logo__mark{color:var(--accent)}.nav{display:flex;align-items:center;gap:18px}.nav--right{margin-left:auto}.nav a{text-decoration:none;color:var(--ink-soft)}.nav a.active,.nav a:hover{color:var(--ink)}.link-btn{background:none;border:0;padding:0;cursor:pointer;color:var(--ink-soft)}.theme-toggle{display:inline-grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:transparent;color:var(--ink-soft);cursor:pointer}.theme-toggle:hover{color:var(--ink);border-color:var(--ink-soft)}.theme-toggle svg{width:18px;height:18px}@media(max-width:640px){.topbar__inner{flex-wrap:wrap;height:auto;padding:10px 16px;gap:10px 16px}.nav--right{margin-left:0}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border:1px solid var(--ink);border-radius:var(--radius);background:transparent;text-decoration:none;font-weight:500;cursor:pointer}.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn--small{padding:6px 12px;font-size:.9rem}.btn:disabled{opacity:.6;cursor:wait}label{display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:.95rem}input:not([type=checkbox]),textarea{padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);font-weight:400}textarea{font-family:var(--font-mono);font-size:.9rem;resize:vertical}.checkbox{flex-direction:row;align-items:center}.form-error{color:var(--danger);font-weight:400;margin:0}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.notice{border-left:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--surface));padding:12px 16px;margin:16px 0;border-radius:0 var(--radius) var(--radius) 0}.tag{display:inline-block;font-family:var(--font-mono);font-size:.75rem;padding:2px 8px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);text-decoration:none}.tags{display:flex;gap:6px;flex-wrap:wrap}.state{text-align:center;padding:48px 16px;color:var(--ink-soft)}.state--error{color:var(--danger)}.btn--large{padding:13px 24px;font-size:1.02rem}.btn--primary{transition:transform .15s,box-shadow .15s}.btn--primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px color-mix(in srgb,var(--accent) 35%,transparent)}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding:40px 0 24px}.hero h1{font-size:clamp(2.2rem,5.2vw,3.6rem);letter-spacing:-.025em;margin:0 0 18px}.hero__highlight{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero__lead{font-size:1.15rem;color:var(--ink-soft);max-width:34em}.hero__actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.hero__trust{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;padding:0;margin:24px 0 0;font-size:.9rem;color:var(--ink-soft)}.hero__trust li:before{content:"✓ ";color:var(--success);font-weight:600}@media(max-width:860px){.hero{grid-template-columns:1fr;gap:32px;padding-top:16px}}.blueprint{position:relative;border-radius:12px;padding:24px;background:radial-gradient(90% 70% at 85% 100%,rgba(56,189,248,.28),transparent 60%),radial-gradient(120% 90% at 20% 0%,var(--deep),var(--deep-dark) 70%);box-shadow:0 30px 60px -20px #0e5a5c73,inset 0 0 0 1px #ffffff14;transform:rotate(1.5deg)}.blueprint__svg{display:block;width:100%;height:auto}.bp-line,.bp-load path{fill:none;stroke:var(--on-deep);stroke-width:1.6}.bp-load path{stroke:var(--glow-2)}.bp-beam{fill:#d6f5f01f;stroke:var(--on-deep);stroke-width:1.6}.bp-dim{fill:none;stroke:#d6f5f073;stroke-width:1;stroke-dasharray:4 4}.bp-moment{fill:#2dd4bf38;stroke:var(--glow);stroke-width:2}.bp-label{font-family:var(--font-mono);font-size:12px;fill:var(--on-deep)}.bp-label--accent{fill:#99f6e4}.blueprint__chip{position:absolute;padding:8px 14px;border-radius:999px;background:var(--surface);color:var(--ink);font-size:.85rem;font-weight:500;box-shadow:var(--shadow);border:1px solid var(--line);transform:rotate(-1.5deg)}.blueprint__chip--top{top:-14px;left:-14px}.blueprint__chip--bottom{bottom:-14px;right:20px;font-family:var(--font-mono);color:var(--accent)}@media(max-width:640px){.blueprint,.blueprint__chip{transform:none}.blueprint__chip--top{left:12px}}.section{margin-top:72px}.section__intro{max-width:640px;margin:0 auto 32px;text-align:center}.section__intro h2{margin:0 0 12px;font-size:clamp(1.7rem,3.6vw,2.4rem);letter-spacing:-.02em}.section__intro .lead{margin:0}.band{padding:64px 0;background:var(--band);box-shadow:0 0 0 100vmax var(--band);clip-path:inset(0 -100vmax)}.section__head .eyebrow{margin-bottom:4px}.previews{display:grid;grid-auto-flow:column;grid-auto-columns:320px;justify-content:center;gap:32px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 4px 16px;margin:0 -4px}.preview{margin:0;scroll-snap-align:start}.preview__page{display:block;width:100%;aspect-ratio:3 / 4;object-fit:cover;border-radius:4px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .2s}.preview:hover .preview__page{transform:translateY(-4px) rotate(-.6deg)}.preview__page--placeholder{position:relative;display:flex;flex-direction:column;gap:10px;padding:22px 20px;overflow:hidden}.preview__title{font-weight:600;font-size:.95rem;color:#0f2a2e;border-bottom:2px solid #0d8577;padding-bottom:8px;margin-bottom:4px}.preview__line{height:7px;border-radius:4px;background:#e2eeec}.preview__line--short{width:60%}.preview__figure{flex:1;min-height:60px;border-radius:4px;background:linear-gradient(135deg,#e6f6f3,#cdeee8)}.preview__badge{position:absolute;top:14px;right:-30px;transform:rotate(35deg);padding:2px 34px;background:#0d8577;color:#fff;font-family:var(--font-mono);font-size:.65rem;letter-spacing:.15em}.preview__zoom{position:relative;display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}.preview__hint{position:absolute;right:10px;bottom:10px;padding:4px 10px;border-radius:999px;background:#061e20bf;color:#fff;font-size:.78rem;opacity:0;transition:opacity .2s}.preview__zoom:hover .preview__hint,.preview__zoom:focus-visible .preview__hint{opacity:1}@media(hover:none){.preview__hint{opacity:1}}.lightbox{width:100vw;height:100vh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:transparent;overflow:hidden}.lightbox::backdrop{background:#031214e0;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.lightbox__figure{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;height:100%;margin:0;padding:56px 64px 24px;pointer-events:none}.lightbox__figure img{max-width:100%;max-height:calc(100vh - 120px);object-fit:contain;border-radius:4px;box-shadow:0 20px 60px #00000080;pointer-events:auto}.lightbox__figure figcaption{color:#d6f5f0;font-size:.92rem;text-align:center}.lightbox__btn{position:absolute;display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:#ffffff1f;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer}.lightbox__btn:hover{background:#ffffff3d}.lightbox__close{top:12px;right:12px;font-size:1.1rem}.lightbox__prev,.lightbox__next{top:50%;transform:translateY(-50%);font-size:2rem}.lightbox__prev{left:12px}.lightbox__next{right:12px}@media(max-width:640px){.lightbox__figure{padding:56px 12px 24px}.lightbox__prev,.lightbox__next{top:auto;bottom:16px;transform:none}}.previews__closing{max-width:560px;margin:24px auto 0;text-align:center;font-weight:500}@media(max-width:1080px){.previews{grid-auto-columns:min(300px,78vw);justify-content:start}}.preview figcaption{margin-top:14px;text-align:center;font-weight:500}.author{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:56px;align-items:center}.author__photo img,.author__photo-placeholder{display:block;width:100%;aspect-ratio:4 / 5;object-fit:cover;border-radius:16px;box-shadow:0 30px 60px -24px #0e5a5c80}.author__photo-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--on-deep);background:radial-gradient(60% 80% at 80% 90%,rgba(56,189,248,.25),transparent 60%),radial-gradient(100% 100% at 30% 20%,var(--deep),var(--deep-dark));font-family:var(--font-mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}.author__photo-placeholder svg{width:72px;height:72px;fill:none;stroke:currentColor;stroke-width:1.2;opacity:.7}.author__name{margin:0;font-size:clamp(2.2rem,4.5vw,3.2rem);line-height:1.05;letter-spacing:-.025em}.author__name span{color:var(--accent)}.author__credentials{margin:12px 0 0;font-family:var(--font-mono);font-size:.85rem;color:var(--ink-soft)}.author__bio{margin:20px 0;color:var(--ink-soft)}.author .checklist strong{color:var(--ink)}@media(max-width:860px){.author{grid-template-columns:1fr;gap:28px}.author__photo{max-width:320px}}.checklist{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}.checklist li{display:flex;gap:10px}.checklist li:before{content:"✓";flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:.75rem;background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent)}.cta{margin-top:88px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:clamp(28px,5vw,56px);border-radius:16px;color:#fff;background:radial-gradient(70% 140% at 100% 100%,rgba(56,189,248,.55),transparent 60%),linear-gradient(135deg,#0d8577,#0b5f6b 60%,var(--deep-dark));box-shadow:0 30px 60px -24px #0b5f6b99}.cta__copy{max-width:560px}.cta .eyebrow{color:#a7f3d0}.cta h2{margin:0 0 12px;font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.02em}.cta p{margin:0;color:#d6f5f0}.cta__actions{display:flex;flex-direction:column;gap:12px;min-width:240px}.cta .btn--primary{background:#fff;border-color:#fff;color:#0b5f6b}.btn--ghost-light{border-color:#ffffff80;color:#fff}.btn--ghost-light:hover{border-color:#fff}@media(max-width:640px){.cta__actions{width:100%}}.section__head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}.section__head h2{margin:0 0 16px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.card__cover{aspect-ratio:16 / 9;width:100%;object-fit:cover}.card__cover--placeholder{display:grid;place-items:center;background:radial-gradient(80% 100% at 100% 100%,rgba(56,189,248,.35),transparent 60%),linear-gradient(135deg,var(--deep),var(--deep-dark));color:var(--on-deep);font-family:var(--font-mono);letter-spacing:.2em;font-size:.8rem}.card__body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}.card__body h3{margin:4px 0 0;font-size:1.1rem}.card__body p{margin:0;color:var(--ink-soft);font-size:.95rem;flex:1}.card__meta{display:flex;justify-content:space-between;margin-top:12px;font-size:.9rem;color:var(--ink-soft)}.card__meta strong{color:var(--ink)}.detail{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}.detail h1{margin:0 0 8px;font-size:clamp(1.8rem,4vw,2.4rem)}.detail__aside{position:sticky;top:84px;display:flex;flex-direction:column;gap:12px}@media(max-width:860px){.detail{grid-template-columns:1fr}.detail__aside{position:static;order:-1}}.price{font-family:var(--font-mono);font-size:1.6rem;font-weight:500}.facts{list-style:none;padding:0;margin:0;color:var(--ink-soft)}.facts li:before{content:"— ";color:var(--accent)}.lesson-list{list-style:none;counter-reset:lesson;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.lesson-list li{counter-increment:lesson;display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}.lesson-list li:last-child{border-bottom:0}.lesson-list li:before{content:counter(lesson,decimal-leading-zero);font-family:var(--font-mono);color:var(--ink-soft);margin-right:12px}.lesson-list li>:first-child{flex:1}.lesson-list li.is-done:before{content:"✓";color:var(--success)}.lesson-list__meta{display:flex;gap:8px;align-items:center;font-size:.85rem;color:var(--ink-soft);white-space:nowrap}.lesson{max-width:760px;margin:0 auto}.back{font-size:.9rem;color:var(--ink-soft)}.video{aspect-ratio:16 / 9;margin:16px 0 24px;border-radius:var(--radius);overflow:hidden;background:#000}.video iframe{width:100%;height:100%;border:0}.video--poster{position:relative;display:grid;place-items:center;width:100%;padding:0;border:0;cursor:pointer;color:#fff;background:radial-gradient(60% 80% at 80% 90%,rgba(56,189,248,.25),transparent 60%),radial-gradient(100% 100% at 30% 20%,var(--deep),#03191b)}.video--poster:disabled{cursor:default}.video--poster img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.video__play{position:relative;display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:var(--glow);color:var(--deep-dark);box-shadow:0 0 0 10px #2dd4bf40;transition:transform .2s}.video__play svg{width:32px;height:32px;margin-left:4px}.video--poster:not(:disabled):hover .video__play{transform:scale(1.08)}.video--poster:disabled .video__play{background:#ffffff26;color:#fff;box-shadow:none}.video__label{position:absolute;left:16px;bottom:14px;padding:4px 10px;border-radius:999px;background:#061e20b3;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase}.lesson__footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}.prose{overflow-wrap:break-word}.prose table{border-collapse:collapse;margin:16px 0;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:6px 12px}.prose code{font-family:var(--font-mono);font-size:.9em;background:color-mix(in srgb,var(--ink) 7%,transparent);padding:1px 5px;border-radius:4px}.prose pre{overflow-x:auto;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.prose blockquote{margin:16px 0;padding:8px 16px;border-left:3px solid var(--accent);background:var(--surface)}.prose .katex-display{overflow-x:auto;overflow-y:hidden;padding:8px 0}.auth-form{max-width:400px;margin:24px auto;display:flex;flex-direction:column;gap:16px}.auth-form h1{margin:0}.checkout{max-width:520px;margin:24px auto}.progress-list{display:grid;gap:12px}.progress-item{display:flex;flex-direction:column;gap:8px;text-decoration:none;padding:16px 20px}.bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden}.bar__fill{height:100%;background:var(--accent)}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);display:block;overflow-x:auto}.table th,.table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);width:100%}.table th{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft)}.footer{border-top:1px solid var(--line);padding:24px 0;font-size:.9rem;color:var(--ink-soft)}.footer__inner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:16px 32px}.footer__brand p{margin:4px 0 0}.footer__copy{grid-column:1 / -1;margin:8px 0 0;padding-top:16px;border-top:1px solid var(--line);font-size:.85rem}.social{list-style:none;margin:0;padding:0;display:flex;gap:8px}.social a,.social__empty{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);color:var(--ink-soft);transition:color .15s,border-color .15s}.social__empty{opacity:.35;border-style:dashed;cursor:help}.social a:hover{color:var(--accent);border-color:var(--accent)}.social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}@media(max-width:640px){.footer__inner{grid-template-columns:1fr}}.google-button{min-height:44px;color-scheme:light}.auth-divider{display:flex;align-items:center;gap:12px;margin:0;font-size:.875rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-top:1px solid var(--line)}.admin-section-head,.editor__head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.editor{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.editor>p{margin:0}.editor__form,.editor__pdf{display:flex;flex-direction:column;gap:16px}.editor__pdf h2,.editor__pdf p{margin:0}.editor__row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));align-items:end;gap:16px}.editor__cover{width:192px;aspect-ratio:16 / 9;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}.editor__desc{display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:.95rem}.editor__desc-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.editor__preview{border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;font-weight:400;min-height:120px}.editor__actions{display:flex;align-items:center;gap:12px}.editor__file{align-self:flex-start;cursor:pointer}.editor__pdf progress{width:100%}.editor__danger{display:flex;justify-content:flex-end}.btn--danger{color:var(--danger);border-color:var(--danger);background:transparent}.editor__cover-field{display:flex;flex-direction:column;gap:8px}.editor__label{font-weight:500;font-size:.95rem}.editor__cover-row{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}.editor__cover--empty{display:grid;place-items:center;color:var(--ink-soft);font-size:.85rem;border-style:dashed}.editor__cover-actions{display:flex;gap:8px;flex-wrap:wrap}.pains{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.pain{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.pain__num{font-family:var(--font-mono);font-size:.85rem;color:var(--danger)}.pain h3{margin:8px 0;font-size:1.15rem}.pain p{margin:0;color:var(--ink-soft)}.compare__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:880px;margin:0 auto}.compare__col{border-radius:12px;padding:24px 28px;border:1px solid var(--line)}.compare__col h3{margin:0;font-size:1.1rem}.compare__col--before{background:transparent}.compare__col--before ul{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px;color:var(--ink-soft)}.compare__col--before li{display:flex;gap:10px}.compare__col--before li:before{content:"✕";flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:.7rem;background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger)}.compare__col--after{background:var(--surface);border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:0 20px 40px -24px color-mix(in srgb,var(--accent) 60%,transparent)}.compare__col--after h3{color:var(--accent)}.compare__more{text-align:center;margin:24px 0 0}.faq__list{max-width:720px;margin:0 auto;display:grid;gap:10px}.faq__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.faq__item summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq__item summary::-webkit-details-marker{display:none}.faq__item{transition:border-color .2s,box-shadow .2s}.faq__item:hover,.faq__item[open]{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}.faq__item[open]{box-shadow:var(--shadow)}.faq__item summary:after{content:"+";flex:none;font-family:var(--font-mono);font-size:1.2rem;line-height:1;color:var(--accent);transition:rotate .3s cubic-bezier(.2,.7,.2,1)}.faq__item[open] summary:after{rotate:45deg}.faq__item p{margin:0;padding:0 20px 18px;color:var(--ink-soft)}.faq__item[open] p{animation:faq-answer .35s cubic-bezier(.2,.7,.2,1)}@keyframes faq-answer{0%{opacity:0;translate:0 -8px}}@supports selector(::details-content){.faq__item{interpolate-size:allow-keywords}.faq__item::details-content{block-size:0;overflow:hidden;transition:block-size .35s cubic-bezier(.2,.7,.2,1),content-visibility .35s allow-discrete}.faq__item[open]::details-content{block-size:auto}}@media(prefers-reduced-motion:reduce){.faq__item[open] p{animation:none}.faq__item::details-content,.faq__item summary:after{transition:none}}[data-reveal]:not([data-reveal=stagger]):not(.is-visible),[data-reveal=stagger]:not(.is-visible)>*{opacity:0}[data-reveal].is-visible:not([data-reveal=stagger]),[data-reveal=stagger].is-visible>*{animation:reveal-up .7s cubic-bezier(.2,.7,.2,1) both}@keyframes reveal-up{0%{opacity:0;translate:0 28px}}[data-reveal].is-seen:not([data-reveal=stagger]),[data-reveal=stagger].is-seen>*{animation:none}[data-reveal=stagger]>:nth-child(2){animation-delay:.1s}[data-reveal=stagger]>:nth-child(3){animation-delay:.2s}[data-reveal=stagger]>:nth-child(4){animation-delay:.3s}[data-reveal=stagger]>:nth-child(5){animation-delay:.4s}[data-reveal=stagger]>:nth-child(n+6){animation-delay:.5s}@keyframes rise-in{0%{opacity:0;translate:0 20px}}@keyframes draw-line{0%{stroke-dashoffset:1}}@keyframes drop-in{0%{opacity:0;translate:0 -12px}}@keyframes float{50%{translate:0 -6px}}.hero--intro .hero__copy>*{animation:rise-in .8s cubic-bezier(.2,.7,.2,1) both}.hero--intro .hero__copy>:nth-child(2){animation-delay:.08s}.hero--intro .hero__copy>:nth-child(3){animation-delay:.16s}.hero--intro .hero__copy>:nth-child(4){animation-delay:.24s}.hero--intro .hero__copy>:nth-child(5){animation-delay:.32s}.hero--intro .blueprint{animation:rise-in .9s .2s cubic-bezier(.2,.7,.2,1) both}.hero--intro .bp-load path{animation:drop-in .5s .7s ease-out both}.hero--intro .bp-moment{stroke-dasharray:1;animation:draw-line 1.4s 1s ease-in-out both}.blueprint__chip{animation:float 5s ease-in-out infinite}.hero--intro .blueprint__chip{animation:rise-in .6s 1.6s ease-out both,float 5s 2.4s ease-in-out infinite}.hero--intro .blueprint__chip--bottom{animation-delay:1.8s,3s}@media(prefers-reduced-motion:reduce){[data-reveal]:not([data-reveal=stagger]):not(.is-visible),[data-reveal=stagger]:not(.is-visible)>*{opacity:1}[data-reveal].is-visible:not([data-reveal=stagger]),[data-reveal=stagger].is-visible>*,.hero--intro .hero__copy>*,.hero--intro .blueprint,.hero--intro .bp-load path,.hero--intro .bp-moment,.blueprint__chip,.hero--intro .blueprint__chip{animation:none}}.author__copy[data-reveal]{animation-delay:.15s}.detail__aside[data-reveal]{animation-delay:.25s}