@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{--bg: #ffffff;--bg-soft: #f6f7f9;--bg-card: #ffffff;--fg: #1a1d23;--fg-soft: #5b6470;--border: #e3e6ea;--accent: #2563eb;--accent-soft: #eff4ff;--shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.1);--radius: 12px;--maxw: 860px;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}[data-theme=dark]{--bg: #0f1115;--bg-soft: #161922;--bg-card: #171a21;--fg: #e6e9ef;--fg-soft: #9aa3b2;--border: #262b36;--accent: #5b8cff;--accent-soft: #1a2233;--shadow: 0 1px 2px rgba(0,0,0,.4)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:var(--reader-font, var(--sans));line-height:1.6;font-size:16px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--mono);font-size:.9em;background:var(--bg-soft);padding:.1em .35em;border-radius:5px}pre{font-family:var(--mono);background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:1em;overflow-x:auto;font-size:.85em}.app-shell{min-height:100%;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;padding:10px 20px;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--fg)}.brand:hover{text-decoration:none}.brand-mark{font-size:20px}.search-form{flex:1;max-width:480px}.search-input{width:100%;padding:8px 14px;border:1px solid var(--border);border-radius:999px;background:var(--bg-soft);color:var(--fg);font-size:14px}.search-input:focus{outline:2px solid var(--accent)}.theme-toggle{border:1px solid var(--border);background:var(--bg-card);color:var(--fg);border-radius:8px;width:36px;height:36px;cursor:pointer;font-size:16px}.search-form{margin-inline-end:auto}.lang-wrap{position:relative}.lang-btn{border:1px solid var(--border);background:var(--bg-card);color:var(--fg);border-radius:8px;height:36px;padding:0 12px;cursor:pointer;font-size:13px;font-weight:700}.lang-pop{position:absolute;top:42px;inset-inline-end:0;z-index:20;min-width:210px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 28px #10182829;padding:6px}.lang-opt{width:100%;display:flex;justify-content:space-between;gap:12px;background:none;border:none;color:var(--fg);padding:8px 10px;border-radius:7px;cursor:pointer;font:inherit}.lang-opt:hover{background:var(--bg-soft)}.lang-opt.on{color:var(--accent)}.lang-abbr{color:var(--fg-soft);font-size:12px}.lang-opt .lang-flag{font-size:15px;line-height:1;flex:0 0 auto}.lang-foot{font-size:12px;color:var(--fg-soft);margin:6px 8px 2px}.lang-pop:before{content:"";position:absolute;left:0;right:0;top:-6px;height:6px}.lang-group{position:relative;display:flex;flex-direction:column}.lang-opt{align-items:center}.lang-opt>span:not([class]){flex:1;text-align:start}.lang-chev{color:var(--fg-soft);font-size:10px;width:12px}.lang-fonts{position:absolute;top:-6px;inset-inline-end:100%;margin-inline-end:8px;z-index:30;display:flex;flex-direction:column;gap:2px;min-width:198px;max-height:64vh;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 30px #10182833;padding:6px}.lang-fonts:before{content:"";position:absolute;top:0;bottom:0;inset-inline-end:-8px;width:8px}.lang-font{text-align:start;background:none;border:1px solid transparent;color:var(--fg-soft);padding:5px 9px;border-radius:6px;cursor:pointer;font-size:13px}.lang-font:hover{background:var(--bg-soft);color:var(--fg)}.lang-font.on{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.acct-signin{border:1px solid var(--border);background:var(--bg-card);color:var(--fg);border-radius:999px;height:36px;padding:0 14px;cursor:pointer;font-size:13px;font-weight:600}.acct-signin:hover{border-color:var(--accent);color:var(--accent)}.acct-wrap{position:relative}.acct-avatar{width:36px;height:36px;border-radius:999px;border:1px solid var(--border);background:var(--accent-soft);color:var(--accent);font-size:15px;font-weight:700;display:grid;place-items:center;cursor:pointer}.acct-avatar:hover{border-color:var(--accent)}.acct-pop{position:absolute;top:42px;inset-inline-end:0;z-index:20;min-width:200px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 28px #10182829;padding:6px}.acct-id{display:flex;flex-direction:column;gap:2px;padding:8px 10px;border-bottom:1px solid var(--border)}.acct-name{font-weight:600;font-size:14px}.acct-email{font-size:12px;color:var(--fg-soft);overflow:hidden;text-overflow:ellipsis;direction:ltr;unicode-bidi:isolate;text-align:start}.acct-signout{width:100%;text-align:start;background:none;border:none;color:var(--fg);padding:8px 10px;border-radius:7px;cursor:pointer;font:inherit;font-size:14px;margin-top:4px}.acct-signout:hover{background:var(--bg-soft);color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;background:#0f172a73;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);padding:20px}.auth-modal{width:100%;max-width:360px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;box-shadow:0 18px 48px #10182847;padding:18px 20px 16px}.auth-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.auth-title{font-size:18px;margin:0}.auth-close{background:none;border:none;color:var(--fg-soft);font-size:14px;cursor:pointer;width:28px;height:28px;border-radius:7px}.auth-close:hover{background:var(--bg-soft);color:var(--fg)}.auth-field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;font-size:13px;color:var(--fg-soft)}.auth-field input{font:inherit;font-size:14px;color:var(--fg);background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:8px 12px}.auth-field input:focus{outline:2px solid var(--accent)}.auth-error{color:#dc2626;font-size:13px;margin:4px 0 8px}.auth-notice{color:var(--accent);font-size:13px;margin:4px 0 8px}.auth-submit{width:100%;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:8px;padding:9px 12px;cursor:pointer;font:inherit;font-size:14px;font-weight:600}.auth-submit:disabled{opacity:.6;cursor:default}.auth-oauth{display:flex;flex-direction:column;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.auth-oauth-btn{border:1px solid var(--border);background:var(--bg-soft);color:var(--fg);border-radius:8px;padding:8px 12px;cursor:pointer;font:inherit;font-size:14px}.auth-oauth-btn:hover{border-color:var(--accent)}.auth-alt{display:flex;flex-direction:column;gap:4px;align-items:flex-start;margin-top:12px}.auth-link{background:none;border:none;color:var(--accent);font:inherit;font-size:13px;cursor:pointer;padding:2px 0}.auth-link:hover{text-decoration:underline}.auth-callback{margin-top:24px}.auth-callback-detail{font-size:13px}.sync-nudge{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--fg-soft)}.sync-nudge-btn{background:none;border:none;color:var(--accent);font:inherit;font-size:12px;cursor:pointer;padding:0;border-bottom:1px dotted currentColor}.sync-nudge-btn:hover{border-bottom-style:solid}.anno-bar .sync-nudge{padding-top:2px}.topnav{display:flex;gap:4px}.topnav-link{font-size:14px;font-weight:600;color:var(--fg-soft);padding:6px 12px;border-radius:8px}.topnav-link:hover{color:var(--accent);text-decoration:none;background:var(--bg-soft)}.topnav-link.active{color:var(--accent);background:var(--accent-soft)}.content{flex:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:28px 20px 64px}.footer{border-top:1px solid var(--border);color:var(--fg-soft);font-size:12px;text-align:center;padding:18px 16px;line-height:1.7}.footer a{color:inherit;text-decoration:none;border-bottom:1px dotted currentColor}.footer a:hover{color:var(--accent)}.footer-cite{color:var(--muted);font-size:11px;margin-top:2px}.footer-cite span{unicode-bidi:isolate}.footer-by{font-size:11px;margin-top:2px}.page-title{font-size:28px;line-height:1.25;margin:6px 0 4px}.page-sub{color:var(--fg-soft);margin:0 0 24px}.crumbs{font-size:13px;color:var(--fg-soft);margin-bottom:12px}.crumbs a{color:var(--fg-soft)}.notice{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;color:var(--fg-soft)}.notice-error{border-color:#d9534f;color:#d9534f}.notice code{background:var(--bg-card)}.btn-inline{border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:7px;padding:4px 12px;cursor:pointer;margin-left:6px}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.book-card{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .12s ease,box-shadow .12s}.book-card:hover{transform:translateY(-2px);text-decoration:none;box-shadow:0 6px 20px #1018281f}.book-card-bar{height:6px;background:var(--accent)}.book-card-body{padding:16px 18px;display:flex;flex-direction:column;flex:1 1 auto}.book-card-title{font-size:17px;margin:0 0 6px;color:var(--fg)}.book-card-sub{font-size:13px;color:var(--fg-soft);margin:0 0 12px}.book-card-meta{font-size:12px;color:var(--accent);margin:auto 0 0;font-weight:600}.lang-flags{display:flex;gap:6px;margin-top:10px;font-size:15px;line-height:1}.lang-flag{transition:opacity .15s}.lang-flag.off{opacity:.28;filter:grayscale(1)}.part-block{margin:28px 0}.part-title{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-soft);border-bottom:1px solid var(--border);padding-bottom:6px}.chapter-list,.section-list{list-style:none;padding:0;margin:8px 0}.chapter-row,.section-row{display:flex;align-items:center;gap:14px;padding:11px 14px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--bg-card);color:var(--fg)}.chapter-row:hover,.section-row:hover{border-color:var(--accent);text-decoration:none;background:var(--accent-soft)}.chapter-num{flex:none;width:30px;height:30px;display:grid;place-items:center;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;font-size:14px}.chapter-name,.section-name{flex:1}.chapter-count,.section-badge{font-size:12px;color:var(--fg-soft)}.section-badge{background:var(--bg-soft);border-radius:6px;padding:2px 8px}.objectives{margin:16px 0;background:var(--bg-soft);border-radius:10px;padding:8px 16px}.objectives summary{cursor:pointer;font-weight:600}.section-render{display:flex;flex-direction:column;gap:18px}.block{background:var(--bg-card);border:1px solid var(--border);border-inline-start:3px solid var(--accent);border-radius:10px;padding:16px 18px;display:flex;flex-direction:column}.block-cites{margin-block-start:8px;display:flex;justify-content:flex-end;gap:4px;flex-wrap:wrap}.cite-wrap{position:relative;display:inline-block}.block-cite-num{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 6px;font-size:11px;font-variant-numeric:tabular-nums;line-height:1;border:0;font-family:inherit;border-radius:9px;background:var(--accent-soft);color:var(--accent);cursor:pointer}.block-cite-num:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.cite-pop{position:absolute;bottom:calc(100% + 7px);inset-inline-end:0;z-index:50;display:none;min-width:220px;max-width:360px;padding:9px 11px;border:1px solid var(--border);border-radius:10px;background:var(--bg-card);box-shadow:0 12px 32px #10182833;text-align:start;white-space:normal;-webkit-user-select:text;user-select:text;cursor:text}.cite-pop:after{content:"";position:absolute;left:0;right:0;top:100%;height:9px}.cite-wrap:hover .cite-pop,.cite-wrap:focus-within .cite-pop,.cite-wrap.pinned .cite-pop{display:block}.cite-wrap.pinned .cite-pop{border-color:var(--accent);box-shadow:0 12px 32px #10182847}.cite-pop .cite-ref{display:block;font-size:12.5px;line-height:1.45;color:var(--fg)}.cite-pop .cite-detail{display:block;margin-top:4px;font-size:12px;color:var(--fg-soft)}.cite-copy{margin-top:8px;font-size:11px;padding:2px 9px;border:1px solid var(--border);border-radius:6px;background:var(--bg-soft);color:var(--fg-soft);cursor:pointer;font-family:inherit}.cite-copy:hover{color:var(--accent);border-color:var(--accent)}.block-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px}.block-kind{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);font-weight:700}.block-title{font-size:17px;margin:0}.block-badge{font-size:11px;background:var(--bg-soft);color:var(--fg-soft);padding:2px 8px;border-radius:999px}.block-body>:first-child{margin-top:0}.block-body>:last-child{margin-bottom:0}.block-remark,.std-ref,.fig-caption,.related,.contrib-meta{color:var(--fg-soft);font-size:14px}.block-definition{border-inline-start-color:#2563eb}.block-theorem{border-inline-start-color:#7c3aed}.block-example{border-inline-start-color:#059669}.block-exercise{border-inline-start-color:#d97706}.block-pitfall{border-inline-start-color:#dc2626}.block-key_takeaway{border-inline-start-color:#0891b2;background:var(--accent-soft)}.block-wireless_connection{border-inline-start-color:#0891b2}.block-commit_contribution{border-inline-start-color:#be185d}.block-engineering_note{border-inline-start-color:#d97706}.collapsible{margin:10px 0}.collapsible-head{background:none;border:none;color:var(--accent);cursor:pointer;font-size:14px;font-weight:600;padding:0}.collapsible-body{padding:8px 0 0;padding-inline-start:16px;border-inline-start:2px solid var(--border);margin-top:6px}.steps{padding-left:22px}.steps .step-title{font-weight:600}.quiz-opts{list-style:none;padding:0}.quiz-opt button{width:100%;text-align:start;padding:9px 13px;border:1px solid var(--border);border-radius:8px;background:var(--bg-card);color:var(--fg);cursor:pointer;margin-bottom:6px}.quiz-opt.correct button{border-color:#059669;background:#0596691a}.quiz-opt.wrong button{border-color:#dc2626;background:#dc26261a}.quiz-expl,.quiz-correction{font-size:13px;color:var(--fg-soft);padding:4px 4px 8px}.cites{margin-left:auto}.cite-chip{font-size:11px;color:var(--fg-soft);margin-left:2px}.md-table-wrap{overflow-x:auto;margin:10px 0}.md-table{border-collapse:collapse;width:100%;font-size:14px}.md-table th,.md-table td{border:1px solid var(--border);padding:7px 11px;text-align:start;vertical-align:top}.md-table th{background:var(--bg-soft)}.reflist{font-size:14px}.self-check{font-size:13px;color:var(--fg-soft)}.pseudocode{white-space:pre-wrap}.media-ref,.fig-alt{font-size:12px;color:var(--fg-soft)}.fig-alt{font-style:italic}.video-consent{border:1px dashed var(--accent);background:var(--accent-soft);color:var(--accent);padding:12px 16px;border-radius:10px;cursor:pointer;width:100%}.media-loading{background:var(--bg-soft);border-radius:8px;padding:14px;font-size:14px;color:var(--fg-soft)}.media-player{display:flex;flex-direction:column;gap:8px}.media-video{width:100%;max-height:70vh;border-radius:10px;background:#000}.media-frame{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:10px;overflow:hidden;background:#000}.media-iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.caption-bar{font-size:13px;color:var(--fg-soft)}.caption-select{font:inherit;color:var(--fg);background:var(--bg-soft);border:1px solid var(--border);border-radius:7px;padding:3px 8px}.media-svg{max-width:100%;height:auto;border-radius:8px;background:var(--bg-soft)}.media-enlargeable{cursor:zoom-in}.media-missing{display:flex;gap:12px;align-items:center;background:var(--bg-soft);border:1px dashed var(--border);border-radius:8px;padding:14px;font-size:14px;color:var(--fg-soft)}.media-missing-icon{font-size:22px;opacity:.7}.media-missing p{margin:0}.math-display{display:block;overflow-x:auto;margin:10px 0}.math-inline,.math-display,[dir=rtl] .block-body code,[dir=rtl] code{unicode-bidi:isolate;direction:ltr}.tok-ref{font-weight:600}.tok-unresolved{color:var(--fg-soft);border-bottom:1px dotted var(--fg-soft);cursor:help}.search-results{list-style:none;padding:0}.search-hit a{display:grid;gap:2px;padding:11px 14px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;color:var(--fg)}.search-hit a:hover{border-color:var(--accent);text-decoration:none;background:var(--accent-soft)}.hit-type{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700}.hit-title{font-weight:600}.hit-loc{font-size:12px;color:var(--fg-soft)}.search-count{color:var(--fg-soft);font-size:14px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.ctl-strip{display:flex;align-items:center;gap:12px}.fold-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--bg-card);color:var(--fg-soft);border-radius:999px;padding:4px 12px;cursor:pointer;font-size:13px}.fold-btn:hover{border-color:var(--accent);color:var(--accent)}.fold-btn.on{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.fold-glyph{font-size:14px;line-height:1}.block-box{position:relative}.block-box.folded{border:1px solid var(--border);border-radius:10px;background:var(--bg-card);display:flex;align-items:center;gap:8px;padding-inline-end:8px}.block-box.folded>.env-corner{position:static;margin-inline-start:auto}.block-box.folded>.env-head{width:auto;flex:1 1 auto;min-width:0}.block-box.folded .kchip-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.block-box.is-read>.env-strip,.block-box.folded.is-read .env-head{opacity:.72}.env-strip{width:100%;display:flex;align-items:center;gap:8px;background:none;border:none;color:var(--fg-soft);cursor:pointer;padding:2px 4px 4px}.env-head{width:100%;display:flex;align-items:center;gap:10px;background:none;border:none;color:var(--fg);cursor:pointer;padding:12px 14px;text-align:start}.env-chevron{font-size:12px;color:var(--fg-soft)}.env-chevron.open{color:var(--accent)}.kchip{font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:6px;padding:2px 8px}.kchip-title{font-weight:600}.block-box-body{position:relative}.env-corner{position:absolute;top:8px;inset-inline-end:10px;z-index:2}.block-box:not(.folded){--env-cluster-w: 156px}.block-box:not(.folded)>.block-box-body .block-head{padding-inline-end:var(--env-cluster-w)}@media (max-width: 640px){.block-box:not(.folded)>.env-corner{position:static;display:flex;justify-content:flex-end;margin-bottom:6px}.block-box:not(.folded)>.block-box-body .block-head{padding-inline-end:0}}.env-ind{display:inline-flex;gap:2px;background:color-mix(in srgb,var(--bg-card) 86%,transparent);border:1px solid var(--border);border-radius:999px;padding:2px}.ind{position:relative;width:26px;height:26px;display:grid;place-items:center;border:none;background:none;border-radius:999px;cursor:pointer;font-size:13px;color:var(--fg-soft);line-height:1}.ind:hover{background:var(--bg-soft)}.ind.on{color:var(--accent)}.ind-star.on{color:#eab308}.ind-read.on{color:#059669}.ind-n{position:absolute;top:-2px;inset-inline-end:-2px;font-size:9px;font-weight:700;background:var(--accent);color:#fff;border-radius:999px;padding:0 4px}.anno-bar{display:flex;flex-direction:column;gap:10px;margin-top:12px;padding-top:10px;border-top:1px dashed var(--border)}.anno-item{background:var(--bg-soft);border-radius:8px;padding:10px 12px}.anno-note-body{font-size:14px}.anno-note-foot{display:flex;align-items:center;gap:10px;margin-top:6px}.anno-meta{font-size:12px;color:var(--fg-soft)}.anno-editor textarea{width:100%;box-sizing:border-box;font:inherit;font-size:14px;border:1px solid var(--border);border-radius:8px;padding:8px;background:var(--bg-card);color:var(--fg);resize:vertical}.anno-preview{margin-top:8px;font-size:14px}.anno-save,.anno-edit,.anno-del,.anno-add{font:inherit;font-size:13px;border:1px solid var(--border);background:var(--bg-card);color:var(--fg);border-radius:7px;padding:3px 10px;cursor:pointer}.anno-save{border-color:var(--accent);background:var(--accent);color:#fff}.anno-save:disabled{opacity:.5;cursor:default}.anno-del{border:none;color:var(--fg-soft);padding:3px 6px}.anno-audio{display:flex;align-items:center;gap:10px}.anno-audio audio{height:32px}.rec-dialog{display:flex;align-items:center;gap:12px;background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-top:10px}.rec-actions{display:flex;gap:8px}.rec-btn{font:inherit;font-size:13px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:7px;padding:4px 14px;cursor:pointer}.rec-btn.stop{background:#dc2626;border-color:#dc2626}.batt{display:inline-flex;align-items:center;gap:2px;vertical-align:middle}.batt-body{position:relative;width:34px;height:14px;border:1px solid var(--border);border-radius:3px;background:var(--bg-soft);overflow:hidden}.batt-sm .batt-body{width:30px;height:12px}.batt-fill{position:absolute;inset-block:0;inset-inline-start:0}.batt-check{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:10px;color:#fff;font-weight:700}.batt-cap{width:2px;height:7px;background:var(--border);border-radius:0 2px 2px 0}.batt-count{margin-left:5px;font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap}.batt.full .batt-body{border-color:#059669}.plan-stub{border-style:dashed}.plan-input{display:flex;flex-direction:column;gap:10px;margin:16px 0 24px}.plan-input textarea{width:100%;box-sizing:border-box;font:inherit;font-size:15px;border:1px solid var(--border);border-radius:10px;padding:12px;background:var(--bg-card);color:var(--fg);resize:vertical}.plan-input-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.plan-file{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--fg-soft);border:1px solid var(--border);border-radius:8px;padding:6px 12px;cursor:pointer}.plan-file input{display:none}.plan-group{margin:18px 0}.plan-group-label{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--fg-soft)}.plan-items{list-style:none;padding:0;margin:8px 0}.plan-item{display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--bg-card)}.plan-item.done{opacity:.6}.plan-item.done .plan-item-title{text-decoration:line-through}.plan-check input{width:18px;height:18px;margin-top:2px}.plan-item-body{display:flex;flex-direction:column;gap:2px}.plan-item-title{font-weight:600}.plan-item-why{font-size:13px;color:var(--fg-soft)}.plan-open{flex:1;text-align:start;background:none;border:none;cursor:pointer;color:var(--fg);display:flex;flex-direction:column;gap:2px}.lab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.lab-card{display:flex;flex-direction:column;gap:6px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);color:var(--fg)}.lab-card:hover{text-decoration:none}a.lab-card:hover{border-color:var(--accent);transform:translateY(-2px);transition:transform .12s}.lab-card.disabled{opacity:.72}.lab-card-top{display:flex;align-items:center;justify-content:space-between}.lab-cat{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700}.lab-badge{font-size:11px;border-radius:999px;padding:2px 8px}.lab-badge.soon{background:var(--bg-soft);color:var(--fg-soft)}.lab-badge.locked{background:var(--accent-soft);color:var(--accent);text-transform:uppercase;font-weight:700}.lab-card-title{font-size:16px;margin:2px 0 0}.lab-card-blurb{font-size:13px;color:var(--fg-soft);margin:0}.map-books{display:flex;flex-direction:column;gap:10px}.map-book{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg-card)}.map-book-bar{width:100%;display:flex;align-items:center;gap:10px;background:none;border:none;color:var(--fg);cursor:pointer;padding:12px 14px;text-align:start}.map-book-bar:hover{background:var(--bg-soft)}.map-chevron{font-size:12px;color:var(--fg-soft);width:12px}.map-dot{width:12px;height:12px;border-radius:999px;background:var(--accent);flex:none}.map-book-title{flex:1;font-weight:600}.map-book-meta{font-size:12px;color:var(--fg-soft)}.map-chapters{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:6px;padding:4px 14px 14px}.map-chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;aspect-ratio:1;border:1px solid var(--border);border-radius:8px;color:var(--fg);font-size:13px}.map-chip:hover{border-color:var(--accent);text-decoration:none;outline:2px solid var(--accent)}.map-chip-num{font-weight:700}.map-chip-sec{font-size:10px;color:var(--fg-soft)}.prev-next{display:flex;justify-content:space-between;gap:12px;margin-top:32px}.pn{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:10px;background:var(--bg-card)}.pn-next{text-align:right}.age-gate{margin-bottom:16px}.chapter-graph{position:relative}.graph-tip{position:absolute;left:12px;top:12px;max-width:60%;pointer-events:none;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-size:13px;box-shadow:0 4px 14px #0000001f}.graph-tip-book{font-size:11px;text-transform:uppercase;letter-spacing:.05em;margin-inline-end:6px}.graph-legend{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:10px;font-size:12px;color:var(--muted)}.graph-legend-item{display:inline-flex;align-items:center;gap:5px}.graph-legend-item .dot{width:9px;height:9px;border-radius:50%;display:inline-block}.conn-graph{position:relative}.conn-graph-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}.conn-search{flex:1;min-width:200px;padding:8px 12px;font:inherit;font-size:14px;border:1px solid var(--border);border-radius:10px;background:var(--bg-card);color:var(--fg)}.conn-search:focus{outline:none;border-color:var(--accent)}.conn-hint{font-size:12px;color:var(--fg-soft)}.conn-meta{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;margin-inline-start:auto}.conn-canvas-wrap{position:relative;width:100%;height:clamp(560px,82vh,1080px);overflow:hidden;border-radius:14px;border:1px solid var(--border);background:var(--bg-card)}.conn-canvas{display:block;width:100%;height:100%;touch-action:none;-webkit-user-select:none;user-select:none}.conn-tip{position:absolute;left:0;top:0;z-index:10;transform:translateY(-100%);opacity:0;pointer-events:none;transition:opacity .12s;will-change:transform,opacity}.conn-tip-inner{transform:translate(-50%,-12px);white-space:nowrap;border-radius:6px;background:#0f172af2;color:#fff;padding:4px 8px;font-size:11px;font-weight:500;box-shadow:0 4px 12px #00000059}.conn-tip-cluster{margin-inline-start:6px;opacity:.5}.conn-card{position:absolute;left:0;top:0;z-index:20;opacity:0;pointer-events:none;transition:opacity .12s;will-change:transform,opacity}.conn-card-btn{display:flex;align-items:center;gap:10px;white-space:nowrap;cursor:pointer;border:1px solid var(--border);border-inline-start-width:3px;border-radius:10px;background:var(--bg-card);padding:7px 12px 7px 10px;box-shadow:0 6px 20px #00000040;text-align:start}.conn-card-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.conn-card-text{display:flex;flex-direction:column}.conn-card-title{font-size:12px;font-weight:600;color:var(--fg)}.conn-card-sub{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}.conn-card-open{margin-inline-start:6px;font-size:12px;font-weight:600}.conn-caption{margin-top:8px;font-size:11px;line-height:1.45;color:var(--muted)}.book-hero{text-align:center;margin:4px 0}.book-hero-canvas-wrap{position:relative;width:100%;height:clamp(170px,25vh,290px)}.book-hero-canvas{display:block;width:100%;height:100%;cursor:pointer}.book-hero-title{font-size:clamp(28px,5vw,44px);font-weight:800;margin:0 0 4px;letter-spacing:-.01em}.book-hero-tagline{color:var(--muted);font-size:14px;margin:0 0 16px}.books-tabs{justify-content:center;margin:0 auto 20px;width:fit-content}.about-block{max-width:760px;margin:0 auto}.about-body{color:var(--fg-soft);line-height:1.65;font-size:15px;margin-top:12px}.seg{font:inherit;font-size:13px;padding:4px 12px;border:1px solid var(--border);background:var(--bg-card);color:var(--fg-soft);cursor:pointer}.seg:first-child{border-radius:8px 0 0 8px}.seg:last-child{border-radius:0 8px 8px 0;border-inline-start:none}.seg.on{background:var(--accent-soft);color:var(--accent);font-weight:600}.lab-cat-group{margin:22px 0}.lab-cat-head{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-soft);border-bottom:1px solid var(--border);padding-bottom:6px;margin-bottom:12px}.lab-cat-n{color:var(--accent);font-weight:700;margin-inline-start:4px}.lab-embed-page{padding:0}.lab-embed{display:block;width:100vw;margin-inline-start:calc(50% - 50vw);margin-top:-28px;height:calc(100vh - 57px);border:0;background:var(--bg)}.progbar{display:flex;align-items:center;gap:8px;margin-top:10px}.progbar-track{flex:1;height:6px;border-radius:3px;background:var(--bg-soft);overflow:hidden}.progbar-fill{height:100%;border-radius:3px;background:color-mix(in srgb,var(--accent) 72%,#eda63d);transition:width .2s ease}.progbar-pct{font-size:11px;color:var(--fg-soft);font-variant-numeric:tabular-nums;min-width:30px;text-align:end}.progbar.done .progbar-fill{background:var(--accent)}.progbar.done .progbar-pct{color:var(--accent);font-weight:700}.progbar.compact{margin:0;gap:6px;flex:none;width:110px}.progbar.compact .progbar-track{height:5px}.progbar.compact .progbar-pct{font-size:10px;min-width:24px}.book-progress{margin:12px 0 22px;max-width:360px}.book-cat{margin:8px 0 30px}.book-cat-head{font-size:15px;text-transform:uppercase;letter-spacing:.07em;color:var(--fg-soft);border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:16px}.book-cat-n{color:var(--accent);font-weight:700;margin-inline-start:4px}.sim-runner{margin:1.6rem 0;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);padding:1rem 1.1rem 1.1rem}.sim-title{margin:0 0 .55rem;font-size:1rem;font-weight:700;color:var(--fg)}.sim-loading{color:var(--fg-soft);font-size:.9rem;padding:.8rem 0}.sim-error{color:#b42318;background:#fff4f2;border:1px solid #f7d2cc;border-radius:8px;padding:.55rem .8rem;font-size:.85rem;margin:.4rem 0}[data-theme=dark] .sim-error{color:#ffb4a8;background:#2a1714;border-color:#4a241d}.sim-placeholder{border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg-soft);padding:1rem 1.1rem;margin:1.6rem 0}.sim-placeholder-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.35rem}.sim-placeholder-title{margin:0;font-size:1rem}.sim-plotly{width:100%;height:400px}.sim-plotly>.js-plotly-plot,.sim-plotly>div{height:100%!important}.sim-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem 1.4rem;margin-top:1rem;padding-top:.9rem;border-top:1px solid var(--border)}.sim-param{display:grid;gap:.3rem .6rem;align-content:start;margin:0;cursor:default}.sim-param-label{font-weight:600;font-size:.82rem;color:var(--fg)}.sim-param-desc{font-size:.76rem;color:var(--fg-soft);line-height:1.45}.sim-param-value{font-family:var(--mono);font-size:.78rem;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:.05rem .45rem;border-radius:6px;justify-self:end;white-space:nowrap;font-variant-numeric:tabular-nums}.sim-param input[type=range]{width:100%;accent-color:var(--accent);margin:.15rem 0;cursor:pointer}.sim-param-float,.sim-param-int{grid-template-columns:1fr auto;grid-template-areas:"label value" "slider slider" "desc desc";align-items:center}.sim-param-float>.sim-param-label,.sim-param-int>.sim-param-label{grid-area:label}.sim-param-float>.sim-param-value,.sim-param-int>.sim-param-value{grid-area:value}.sim-param-float>input[type=range],.sim-param-int>input[type=range]{grid-area:slider}.sim-param-float>.sim-param-desc,.sim-param-int>.sim-param-desc{grid-area:desc}.sim-param-enum select{width:100%;padding:.35rem .55rem;border:1px solid var(--border);border-radius:8px;background:var(--bg-soft);color:var(--fg);font:inherit;font-size:.85rem;cursor:pointer}.sim-param-enum select:focus{outline:2px solid var(--accent)}.sim-param-bool{grid-template-columns:auto 1fr;grid-template-areas:"box label" "desc desc";align-items:center}.sim-param-bool>input[type=checkbox]{grid-area:box;width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.sim-param-bool>.sim-param-label{grid-area:label;font-weight:500}.sim-param-bool>.sim-param-desc{grid-area:desc}.sim-param-unknown{grid-template-columns:1fr auto;align-items:center}.code-block{position:relative;white-space:pre;-moz-tab-size:4;tab-size:4;margin:1em 0;line-height:1.5}.code-block code{background:none;padding:0;border-radius:0;font-size:inherit;white-space:inherit}.code-block[data-lang]:before{content:attr(data-lang);position:absolute;top:0;inset-inline-end:0;font-size:10px;letter-spacing:.04em;text-transform:uppercase;color:var(--fg-soft);background:var(--bg-card);border:1px solid var(--border);border-radius:0 8px 0 6px;padding:1px 7px}
