@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/web/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/web/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/web/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/web/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/web/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/web/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/web/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/web/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/web/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/web/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/web/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/web/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/web/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/web/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/web/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/web/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/web/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/web/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/web/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/web/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/web/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/web/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/web/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/web/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/web/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/web/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/web/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/web/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/web/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/web/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/web/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/web/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/web/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/web/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/web/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/web/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/web/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/web/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/web/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/web/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/web/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/web/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/web/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/web/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/web/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/web/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/web/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/web/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/web/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/web/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.22"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;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 .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;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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.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{--navy: #032258;--navy-2: #0b2f70;--blue: #0a6fd6;--blue-d: #0857a8;--blue-s: #eaf3fd;--gold: #f5a623;--gold-d: #b86e0a;--gold-s: #fff6e5;--ink: #0f1b33;--ink-2: #33405c;--muted: #5f6b85;--line: #e3e9f3;--line-2: #eef2f8;--bg: #f5f7fb;--card: #ffffff;--ok: #178a55;--ok-s: #e7f7ef;--bad: #c62f3b;--bad-s: #fdecee;--r: 14px;--r-lg: 20px;--sh-1: 0 1px 2px rgba(3, 34, 88, .06), 0 2px 8px rgba(3, 34, 88, .05);--sh-2: 0 6px 24px rgba(3, 34, 88, .09);--sh-3: 0 24px 60px rgba(3, 34, 88, .18);--head: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;--body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--top: 64px;color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--body);font-size:15px;line-height:1.55;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--head);margin:0;letter-spacing:-.02em;line-height:1.2}p{margin:0}a{color:var(--blue-d);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;color:inherit}img{max-width:100%}::selection{background:#cfe3fb}:focus-visible{outline:3px solid rgba(10,111,214,.35);outline-offset:2px;border-radius:8px}.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:12px}.row{display:flex;align-items:center;gap:10px}.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.stack{display:flex;flex-direction:column;gap:12px}.center{display:flex;align-items:center;justify-content:center}.gold{color:var(--gold)}.nowrap{white-space:nowrap}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 18px;border-radius:12px;border:1px solid transparent;font-weight:650;font-size:14.5px;cursor:pointer;white-space:nowrap;text-decoration:none!important;transition:background .15s,border-color .15s,transform .08s,box-shadow .15s,color .15s}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{flex:none}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 2px 8px #0a6fd647}.btn-primary:hover:not(:disabled){background:var(--blue-d)}.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 4px 16px #f5a62359}.btn-gold:hover:not(:disabled){background:#ffb53d}.btn-soft{background:var(--blue-s);color:var(--blue-d)}.btn-soft:hover:not(:disabled){background:#dcebfc}.btn-ghost{background:var(--card);border-color:var(--line);color:var(--ink-2)}.btn-ghost:hover:not(:disabled){border-color:#c9d4e6;background:#fafbfe}.btn-danger{background:var(--bad-s);color:var(--bad)}.btn-danger:hover:not(:disabled){background:#fadadd}.btn-white{background:#fff;color:var(--navy)}.btn-outline-light{background:#ffffff0f;color:#fff;border-color:#ffffff40}.btn-outline-light:hover{background:#ffffff1f}.btn-sm{height:34px;padding:0 12px;font-size:13px;border-radius:10px;gap:6px}.btn-lg{height:52px;padding:0 26px;font-size:16px;border-radius:14px}.btn-block{width:100%}.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--card);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-2);flex:none}.icon-btn:hover{background:#f4f7fc}.icon-btn.danger{color:var(--bad);background:var(--bad-s);border-color:transparent}.link-btn{background:none;border:0;padding:0;color:var(--blue-d);font-weight:650;cursor:pointer;font-size:13.5px}.link-btn:hover{text-decoration:underline}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}.card-pad{padding:22px}.card-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line-2)}.card-head h3{font-size:16px}.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 9px;border-radius:999px;font-size:12px;font-weight:650;white-space:nowrap}.badge-blue{background:var(--blue-s);color:var(--blue-d)}.badge-gold{background:var(--gold-s);color:var(--gold-d)}.badge-ok{background:var(--ok-s);color:var(--ok)}.badge-grey{background:#eef1f6;color:var(--muted)}.badge-bad{background:var(--bad-s);color:var(--bad)}.chip{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 13px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:13.5px;font-weight:600;color:var(--ink-2);cursor:pointer;white-space:nowrap;transition:all .15s}.chip:hover{border-color:#c4d3ea}.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}.chip .n{font-size:11.5px;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--blue-s);color:var(--blue-d)}.chip.on .n{background:#ffffff2e;color:#fff}.ibub{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex:none}.sk{background:linear-gradient(90deg,#eceff5,#f6f8fb,#eceff5);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px}@keyframes sk{to{background-position:-200% 0}}.label{display:block;font-size:12.5px;font-weight:650;color:var(--ink-2);margin-bottom:6px}.input{width:100%;height:44px;padding:0 13px;border-radius:11px;border:1px solid var(--line);background:#fbfcfe;font:inherit;color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s}.input:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px #0a6fd61f}.input::placeholder{color:#a3abbd}.field{min-width:0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.switch{position:relative;width:40px;height:23px;flex:none;cursor:pointer}.switch input{opacity:0;width:0;height:0;position:absolute}.switch span{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:999px;background:#d3d9e4;transition:background .2s}.switch span:after{content:"";position:absolute;left:3px;top:3px;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:transform .2s}.switch input:checked+span{background:var(--blue)}.switch input:checked+span:after{transform:translate(17px)}.switch input:focus-visible+span{box-shadow:0 0 0 3px #0a6fd64d}.seg{display:inline-flex;padding:4px;border-radius:12px;background:#edf1f7;gap:4px}.seg button{border:0;background:transparent;height:34px;padding:0 14px;border-radius:9px;font-weight:650;font-size:13.5px;color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px #0322581f}.check{width:22px;height:22px;border-radius:7px;border:2px solid #c5cddc;background:#fff;flex:none;display:inline-flex;align-items:center;justify-content:center;color:#fff;transition:all .15s}.check.on,.check.part{background:var(--blue);border-color:var(--blue)}.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden}.stepper button{width:32px;height:34px;border:0;background:transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2)}.stepper button:hover:not(:disabled){background:#f2f5fa}.stepper button:disabled{color:#c9cfdb;cursor:default}.stepper input{width:44px;height:34px;border:0;text-align:center;font:inherit;font-weight:700;color:var(--ink);-moz-appearance:textfield}.stepper input::-webkit-inner-spin-button{display:none}.stepper input:focus{outline:none;background:var(--blue-s)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#03143680;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:16px;animation:fade .15s}.modal{width:100%;max-width:440px;max-height:calc(100vh - 32px);overflow:auto;background:#fff;border-radius:22px;box-shadow:var(--sh-3);animation:rise .2s ease-out}.modal-wide{max-width:620px}.modal-body{padding:26px}.modal h3{font-size:20px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}@keyframes fade{0%{opacity:0}}@keyframes rise{0%{opacity:0;transform:translateY(12px) scale(.98)}}.toasts{position:fixed;bottom:22px;left:50%;transform:translate(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;background:var(--navy);color:#fff;font-weight:550;box-shadow:var(--sh-3);animation:rise .2s ease-out;max-width:calc(100vw - 32px)}.toast.bad{background:#8f1d27}.lp{background:#fff}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.lp-nav{position:sticky;top:0;z-index:50;background:#032258db;-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}.lp-nav .container{display:flex;align-items:center;gap:28px;height:70px}.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--head);font-weight:800;font-size:21px;letter-spacing:-.02em;text-decoration:none!important}.brand img{width:40px;height:40px}.brand b{color:var(--gold);font-weight:800}.brand.dark{color:var(--navy)}.lp-links{display:flex;gap:26px;margin-left:12px}.lp-links a{color:#ffffffc7;font-weight:550;font-size:14.5px;text-decoration:none}.lp-links a:hover{color:#fff}.lp-nav .right{margin-left:auto;display:flex;gap:10px;align-items:center}.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(900px 500px at 85% 10%,rgba(10,111,214,.55),transparent 60%),radial-gradient(700px 420px at 0% 100%,rgba(245,166,35,.16),transparent 60%),linear-gradient(180deg,#032258,#04296a);margin-top:-70px;padding:150px 0 110px}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:.5;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:26px 26px;-webkit-mask-image:linear-gradient(180deg,#000 20%,transparent 85%);mask-image:linear-gradient(180deg,#000 20%,transparent 85%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px 0 6px;border-radius:999px;background:#ffffff14;border:1px solid rgba(255,255,255,.14);font-size:13px;font-weight:600;color:#dbe6f7}.eyebrow .dot{height:22px;padding:0 9px;border-radius:999px;background:var(--gold);color:var(--navy);font-weight:800;font-size:11.5px;display:inline-flex;align-items:center}.hero h1{font-size:clamp(36px,5vw,60px);line-height:1.05;letter-spacing:-.035em;margin:22px 0 20px;font-weight:800}.hero h1 .hl{background:linear-gradient(90deg,#ffc65c,#f5a623);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .lead{font-size:18.5px;color:#c4d2e8;max-width:540px}.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}.hero-trust{display:flex;gap:22px;margin-top:34px;flex-wrap:wrap;color:#aebfdc;font-size:13.5px;font-weight:550}.hero-trust span{display:inline-flex;align-items:center;gap:7px}.hero-trust svg{color:var(--gold)}.mock{position:relative;height:520px}.mock-paper{position:absolute;right:30px;top:10px;width:380px;background:#fff;color:#1d2433;border-radius:10px;box-shadow:0 40px 80px #000a2880;padding:26px 26px 20px;transform:rotate(2deg);font-size:11px}.mock-paper.back{right:70px;top:40px;transform:rotate(-5deg);opacity:.55;height:470px}.mp-head{display:flex;align-items:center;gap:10px;border-bottom:2px solid #1d2433;padding-bottom:10px}.mp-logo{width:38px;height:38px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:13px}.mp-head b{display:block;font-size:14px;font-family:var(--head)}.mp-meta{display:flex;justify-content:space-between;margin:9px 0 12px;font-weight:600;color:#555;font-size:10.5px}.mp-sec{font-weight:800;font-size:10.5px;letter-spacing:.04em;margin:12px 0 6px;color:var(--navy)}.mp-q{display:flex;gap:8px;margin:7px 0;line-height:1.45}.mp-q i{font-style:normal;font-weight:700;color:#333}.mp-q .m{margin-left:auto;color:#777;font-weight:600;white-space:nowrap}.mp-opts{display:grid;grid-template-columns:1fr 1fr;gap:3px 14px;margin:2px 0 6px 20px;color:#444}.mp-line{height:6px;border-radius:3px;background:#e9edf3;margin:6px 0}.float{position:absolute;display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:14px;background:#fff;color:var(--ink);box-shadow:0 20px 40px #000a2859;font-size:13px;font-weight:600;animation:bob 5s ease-in-out infinite}.float b{display:block;font-family:var(--head);font-size:17px}.float small{color:var(--muted);font-weight:550}.float.f1{left:0;top:70px}.float.f2{right:0;bottom:90px;animation-delay:-2s}.float.f3{left:30px;bottom:20px;animation-delay:-3.5s}@keyframes bob{50%{transform:translateY(-8px)}}@media(prefers-reduced-motion:reduce){.float{animation:none}}.stats-band{position:relative;margin-top:-54px;z-index:2}.stats-band .card{display:grid;grid-template-columns:repeat(4,1fr);padding:8px;box-shadow:var(--sh-2)}.stat-cell{padding:20px 22px;border-right:1px solid var(--line-2)}.stat-cell:last-child{border-right:0}.stat-cell b{display:block;font-family:var(--head);font-size:30px;font-weight:800;color:var(--navy);letter-spacing:-.03em}.stat-cell span{color:var(--muted);font-size:13.5px;font-weight:550}.section{padding:96px 0}.section.alt{background:var(--bg)}.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}.kicker{display:inline-block;font-size:12.5px;font-weight:750;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}.sec-head h2{font-size:clamp(28px,3.4vw,40px);font-weight:800}.sec-head p{margin-top:14px;color:var(--muted);font-size:17px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}.step{position:relative;padding:28px}.step .num{position:absolute;top:22px;right:24px;font-family:var(--head);font-weight:800;font-size:46px;color:var(--line-2);line-height:1}.step h3{font-size:19px;margin:18px 0 8px}.step p{color:var(--muted)}.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feat{padding:24px;transition:transform .2s,box-shadow .2s}.feat:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}.feat h4{font-size:16px;margin:16px 0 6px}.feat p{color:var(--muted);font-size:14px}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.mode-card{padding:30px;position:relative;overflow:hidden}.mode-card h3{font-size:21px;margin:18px 0 8px}.mode-card p{color:var(--muted)}.mode-card ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:14px;color:var(--ink-2)}.mode-card li{display:flex;gap:8px;align-items:flex-start}.mode-card li svg{color:var(--ok);margin-top:3px;flex:none}.mode-card.featured{background:linear-gradient(160deg,var(--navy) 0%,#0a3a8a 100%);color:#fff;border-color:transparent}.mode-card.featured p,.mode-card.featured li{color:#c9d6ec}.mode-card.featured li svg{color:var(--gold)}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.course-tile{padding:20px;text-align:left;cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:16px;transition:all .15s}.course-tile:hover{border-color:var(--blue);box-shadow:var(--sh-2);transform:translateY(-2px)}.course-tile b{display:block;font-family:var(--head);font-size:26px;color:var(--navy)}.course-tile span{color:var(--muted);font-size:13px;font-weight:550}.pricing{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:880px;margin:0 auto}.price-card{padding:32px}.price-card .price{font-family:var(--head);font-size:42px;font-weight:800;letter-spacing:-.03em;margin:14px 0 4px}.price-card .price small{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:0}.price-card ul{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:11px}.price-card li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2)}.price-card li svg{color:var(--ok);flex:none;margin-top:3px}.price-card.best{border:2px solid var(--gold);position:relative;box-shadow:0 20px 50px #f5a6232e}.price-card.best .tagline{position:absolute;top:-13px;left:32px}.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 22px}.faq summary{cursor:pointer;padding:19px 0;font-weight:650;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary svg{transition:transform .2s;flex:none;color:var(--muted)}.faq details[open] summary svg{transform:rotate(45deg)}.faq details p{padding:0 0 20px;color:var(--muted)}.cta-band{border-radius:28px;padding:56px;color:#fff;display:flex;align-items:center;gap:40px;justify-content:space-between;background:radial-gradient(600px 300px at 90% 0%,rgba(245,166,35,.3),transparent 60%),linear-gradient(135deg,#032258,#0a4aa8)}.cta-band h2{font-size:clamp(26px,3vw,36px)}.cta-band p{color:#c4d2e8;margin-top:10px;font-size:17px}.footer{background:#021a45;color:#9fb0cd;padding:60px 0 30px;font-size:14px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.footer h5{color:#fff;font-family:var(--head);font-size:14px;margin:0 0 14px}.footer a{color:#9fb0cd;display:block;margin:8px 0}.footer a:hover{color:#fff}.footer-social{display:flex;gap:10px;margin-top:16px}.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;margin:0;border-radius:50%;background:#ffffff14;color:#fff;transition:background .2s}.footer-social a:hover{background:#f5a623;color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.otp-field{display:flex;align-items:center;gap:10px;height:54px;border:1px solid var(--line);border-radius:14px;padding:0 14px;background:#fbfcfe}.otp-field:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px #0a6fd61f;background:#fff}.otp-field input{border:0;outline:none;background:transparent;font:inherit;font-size:17px;flex:1;min-width:0;color:var(--ink)}.otp-code{text-align:center;letter-spacing:.6em;font-size:24px!important;font-weight:700}.err{display:flex;gap:8px;align-items:center;background:var(--bad-s);color:var(--bad);padding:10px 12px;border-radius:11px;font-size:13.5px;font-weight:550}.shell{display:grid;grid-template-columns:252px 1fr;min-height:100vh}.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:18px 14px;background:linear-gradient(180deg,#032258,#031d4b);color:#c9d5ea}.side .brand{padding:4px 8px 18px}.side-new{margin:4px 4px 18px}.nav{display:grid;gap:3px}.nav a{display:flex;align-items:center;gap:12px;height:42px;padding:0 12px;border-radius:11px;color:#b7c5dd;font-weight:550;font-size:14.5px;text-decoration:none!important;transition:background .15s,color .15s}.nav a:hover{background:#ffffff0f;color:#fff}.nav a.active{background:#ffffff1a;color:#fff;box-shadow:inset 3px 0 0 var(--gold)}.nav a .count{margin-left:auto;font-size:11.5px;font-weight:700;min-width:22px;height:20px;padding:0 6px;border-radius:999px;background:#ffffff1f;color:#fff;display:inline-flex;align-items:center;justify-content:center}.nav-h{font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:#6f84a8;padding:18px 12px 6px}.side-foot{margin-top:auto;padding:12px;border-radius:14px;background:#ffffff0d;display:flex;align-items:center;gap:10px}.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--gold),#ffcf73);color:var(--navy);font-weight:800;display:flex;align-items:center;justify-content:center;flex:none;font-family:var(--head)}.side-foot b{color:#fff;font-size:13.5px;display:block}.side-foot small{color:#8ea0c0;font-size:12px}.side-foot button{margin-left:auto;background:transparent;border:0;color:#8ea0c0;cursor:pointer;padding:6px;border-radius:8px;display:inline-flex}.side-foot button:hover{color:#fff;background:#ffffff14}.main{min-width:0;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:30;height:var(--top);display:flex;align-items:center;gap:14px;padding:0 28px;background:#f5f7fbe0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.topbar h1{font-size:18px;font-weight:750}.topbar .crumbs{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;font-weight:550;min-width:0}.topbar .crumbs a{color:var(--muted)}.topbar .crumbs b{color:var(--ink);font-weight:700}.class-pill{margin-left:auto;display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 12px 0 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:650;font-size:13.5px;color:var(--ink);cursor:pointer}.class-pill:hover{border-color:#c4d3ea}.class-pill .ibub{width:26px;height:26px;border-radius:50%}.menu-btn{display:none}.page{padding:28px;max-width:1280px;width:100%;margin:0 auto}.welcome{position:relative;overflow:hidden;border-radius:24px;padding:32px 34px;color:#fff;background:radial-gradient(500px 260px at 100% 0%,rgba(10,111,214,.65),transparent 70%),linear-gradient(135deg,#032258,#062f78);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.welcome h2{font-size:30px;font-weight:800;margin-top:6px}.welcome .hi{color:#b9c9e4;font-weight:600;font-size:14px}.welcome .sub{color:#c4d2e8;margin-top:8px}.welcome img{width:130px;height:130px;margin:-16px 0;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}.welcome .actions{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}.kpi{padding:18px 20px;display:flex;align-items:center;gap:14px}.kpi b{display:block;font-family:var(--head);font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.1}.kpi span{color:var(--muted);font-size:13px;font-weight:550}.sec-row{display:flex;align-items:flex-end;gap:16px;margin:34px 0 16px}.sec-row h2{font-size:20px;font-weight:750}.sec-row p{color:var(--muted);font-size:13.5px;margin-top:3px}.subj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.subj{padding:20px;display:flex;flex-direction:column;gap:14px;transition:box-shadow .2s,transform .2s,border-color .2s}.subj:hover{box-shadow:var(--sh-2);border-color:#cfdcf0}.subj h3{font-size:17px}.subj .acts{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:auto}.subj .acts button{height:56px;flex-direction:column;gap:3px;font-size:12px;padding:0;border-radius:11px}.continue{display:flex;align-items:center;gap:16px;padding:18px 20px;margin-top:20px;border:1.5px solid #f8d99a;background:linear-gradient(90deg,#fffaf0,#fff);cursor:pointer}.continue:hover{box-shadow:var(--sh-2)}.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;margin-top:8px}.list-row{display:flex;align-items:center;gap:14px;padding:14px 22px;border-top:1px solid var(--line-2)}.list-row:first-child{border-top:0}.empty{text-align:center;padding:48px 24px;color:var(--muted)}.empty .ibub{width:64px;height:64px;border-radius:20px;margin-bottom:14px}.empty h3{color:var(--ink);font-size:18px;margin-bottom:6px}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;padding:12px 18px;background:#fafbfd;border-bottom:1px solid var(--line)}.table td{padding:14px 18px;border-bottom:1px solid var(--line-2);vertical-align:middle}.table tr:last-child td{border-bottom:0}.table tr:hover td{background:#fbfcfe}.table .t-title{font-weight:650}.table-wrap{overflow-x:auto}.builder{display:grid;grid-template-columns:300px minmax(0,1fr) 340px;height:calc(100vh - var(--top))}.b-col{overflow-y:auto;min-height:0}.b-left{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.b-left-head{padding:18px 18px 12px;border-bottom:1px solid var(--line-2);position:sticky;top:0;background:#fff;z-index:2}.b-left-head h2{font-size:18px}.books{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.books .chip{height:30px;font-size:12.5px;padding:0 10px}.chap{border-bottom:1px solid var(--line-2)}.chap-row{width:100%;display:flex;align-items:center;gap:11px;padding:12px 16px;background:none;border:0;text-align:left;cursor:pointer}.chap-row:hover{background:#f8fafd}.chap.open .chap-row{background:var(--blue-s)}.chap-num{width:30px;height:30px;border-radius:9px;background:#eef2f8;color:var(--ink-2);font-weight:750;font-size:13px;display:flex;align-items:center;justify-content:center;flex:none}.chap.open .chap-num{background:var(--blue);color:#fff}.chap.locked .chap-num{background:var(--gold-s);color:var(--gold-d)}.chap-name{font-weight:600;font-size:13.5px;line-height:1.35}.chap.locked .chap-name{color:var(--muted)}.chap-meta{font-size:12px;color:var(--muted);margin-top:2px}.got{color:var(--ok);font-weight:700}.types{padding:4px 10px 10px 18px;background:#f9fbfe}.type-row{width:100%;display:flex;align-items:center;gap:10px;padding:8px 10px;border:0;background:none;border-radius:9px;cursor:pointer;text-align:left;font-size:13px;color:var(--ink-2)}.type-row:hover{background:#eef3fa}.type-row.on{background:#fff;box-shadow:0 0 0 1.5px var(--blue) inset;color:var(--ink);font-weight:600}.mk{min-width:30px;height:22px;padding:0 6px;border-radius:7px;background:var(--blue-s);color:var(--blue-d);font-size:11px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;flex:none}.got-pill{display:inline-flex;align-items:center;gap:3px;height:20px;padding:0 7px;border-radius:999px;background:var(--ok);color:#fff;font-size:11px;font-weight:750}.b-mid{background:var(--bg)}.b-tools{position:sticky;top:0;z-index:5;background:#f5f7fbf0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:16px 24px 12px;border-bottom:1px solid var(--line)}.b-tools h2{font-size:18px}.type-chips{display:flex;gap:6px;overflow-x:auto;padding:12px 0 2px;scrollbar-width:thin}.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}.search{position:relative;flex:1;min-width:180px;max-width:320px}.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:#9aa5ba}.search .input{height:36px;padding-left:34px;border-radius:10px;font-size:13.5px}.qlist{padding:18px 24px 60px;display:grid;gap:12px}.qcard{position:relative;background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:16px 18px 14px 56px;cursor:pointer;transition:border-color .15s,box-shadow .15s,background .15s}.qcard:hover{border-color:#c4d3ea;box-shadow:var(--sh-1)}.qcard.on{border-color:var(--blue);background:#f7fbff;box-shadow:0 0 0 3px #0a6fd614}.qcard .check{position:absolute;left:18px;top:17px}.qcard.on .check{animation:pop .25s ease-out}@keyframes pop{50%{transform:scale(1.2)}}.q-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.q-no{font-weight:750;font-size:12.5px;color:var(--blue-d);background:var(--blue-s);border-radius:7px;padding:1px 8px}.q-tag{font-size:12px;color:var(--muted);font-weight:600}.q-marks{margin-left:auto;font-size:12px;font-weight:700;color:var(--gold-d);background:var(--gold-s);border-radius:999px;padding:1px 9px}.q-body{font-size:15px;line-height:1.6;color:var(--ink);overflow-x:auto}.q-body p{margin:0 0 6px}.q-body img{max-height:280px;border-radius:6px}.q-body table{border-collapse:collapse;margin:6px 0}.q-body td,.q-body th{border:1px solid #ccd3df;padding:4px 8px}.q-opts{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;margin-top:10px}.q-opt{display:flex;gap:8px;align-items:flex-start;font-size:14px;padding:6px 10px;border-radius:10px;background:#f6f8fb}.q-opt .l{flex:none;width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line);font-size:11.5px;font-weight:750;display:flex;align-items:center;justify-content:center;color:var(--navy)}.q-opt.ok{background:var(--ok-s)}.q-opt.ok .l{background:var(--ok);border-color:var(--ok);color:#fff}.q-kid{margin-top:10px;padding-left:12px;border-left:3px solid #cfe0f6}.q-ans-btn{margin-top:10px}.q-ans{margin-top:10px;padding:12px 14px;border-radius:12px;background:#f2fbf5;border:1px solid #c7ead3;font-size:14px;cursor:auto}.q-ans .al{color:var(--ok);font-weight:750;font-size:12.5px;margin:6px 0 2px}.q-ans .al:first-child{margin-top:0}.b-right{background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column}.tray-sum{padding:22px;background:linear-gradient(160deg,var(--navy),#0a3a8a);color:#fff}.tray-sum .big{font-family:var(--head);font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1}.tray-sum .big small{font-size:16px;color:#9fb3d6;font-weight:600;letter-spacing:0;margin-left:6px}.tray-sum .marks-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}.tray-sum .marks-chips span{background:#f5a6232e;color:#ffc65c;font-weight:750;font-size:12px;padding:3px 10px;border-radius:999px}.tray-list{flex:1;overflow-y:auto;padding:8px 0}.tray-ch{padding:10px 20px 4px;font-size:12px;font-weight:750;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.tray-item{display:flex;align-items:center;gap:10px;padding:8px 20px;font-size:13.5px}.tray-item:hover{background:#f8fafd}.tray-item .x{opacity:0;background:none;border:0;cursor:pointer;color:var(--bad);padding:4px;border-radius:6px;display:inline-flex}.tray-item:hover .x{opacity:1}.tray-item .x:focus-visible{opacity:1}.tray-foot{padding:16px 20px 20px;border-top:1px solid var(--line);display:grid;gap:8px}.rnd{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.ch-check{display:flex;align-items:center;gap:12px;padding:11px 20px;border-top:1px solid var(--line-2);cursor:pointer;font-size:14px}.ch-check:hover{background:#fafbfe}.ch-check.dis{opacity:.45;cursor:default}.count-row{display:flex;align-items:center;gap:12px;padding:12px 20px;border-top:1px solid var(--line-2)}.sticky-sum{position:sticky;top:calc(var(--top) + 16px)}.setup{display:grid;grid-template-columns:440px minmax(0,1fr);height:calc(100vh - var(--top))}.setup-form{overflow-y:auto;background:#fff;border-right:1px solid var(--line);padding:22px 24px 120px}.setup-form section{padding:18px 0;border-bottom:1px solid var(--line-2)}.setup-form section:last-child{border-bottom:0}.setup-form h3{font-size:15px;display:flex;align-items:center;gap:8px;margin-bottom:14px}.opt-row{display:flex;align-items:center;gap:12px;padding:8px 0;cursor:pointer}.opt-row b{font-size:14px;font-weight:600;display:block}.opt-row small{color:var(--muted);font-size:12.5px}.drop{display:flex;align-items:center;gap:14px}.drop-box{width:110px;height:76px;border:1.5px dashed #c2cbdb;border-radius:12px;background:#fafbfd;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;color:var(--muted);flex:none}.drop-box:hover{border-color:var(--blue);color:var(--blue)}.drop-box img{width:100%;height:100%;object-fit:contain;padding:6px}.range{width:100%;accent-color:var(--blue)}.setup-prev{display:flex;flex-direction:column;min-height:0;background:#e9edf4}.prev-bar{display:flex;align-items:center;gap:10px;padding:12px 20px;background:#fff;border-bottom:1px solid var(--line)}.prev-area{flex:1;min-height:0;position:relative;padding:24px;overflow:hidden}.prev-frame{width:100%;height:100%;border:0;background:#fff;border-radius:8px;box-shadow:var(--sh-2)}.prev-loading{position:absolute;top:24px;right:24px;bottom:24px;left:24px;display:flex;align-items:center;justify-content:center;background:#e9edf499;border-radius:8px}.prev-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;color:var(--muted)}.buy-steps{margin-top:22px;display:grid;gap:4px}.buy-step{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line-2)}.buy-step b{font-size:15px}.buy-num{width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;flex:none}.buy-pay{display:flex;gap:18px;align-items:center;margin-top:12px;flex-wrap:wrap}.buy-qr{width:170px;height:170px;border-radius:14px;border:1px solid var(--line);padding:6px;background:#fff}.buy-upi{font-size:15px;font-weight:700;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:6px 10px;color:var(--navy)}.buy-bar{display:flex;align-items:center;gap:10px;margin:12px 0 0;padding:10px 12px;border-radius:12px;background:var(--gold-s);border:1px solid #f8dfae;font-size:12.5px;color:var(--gold-d);font-weight:600}.ready-art{width:88px;height:88px;border-radius:26px;margin:0 auto 18px;background:linear-gradient(135deg,var(--gold),#ffd27a);display:flex;align-items:center;justify-content:center;color:var(--navy);box-shadow:0 16px 36px #f5a62366}.tray-toggle{display:none!important}@media(max-width:1240px){.builder{grid-template-columns:270px minmax(0,1fr) 300px}.feat-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:1080px){.hero-grid{grid-template-columns:1fr}.mock{display:none}.hero{padding:130px 0 100px}.builder{grid-template-columns:260px minmax(0,1fr)}.b-right{position:fixed;right:0;top:var(--top);bottom:0;width:340px;z-index:40;box-shadow:var(--sh-3);transform:translate(100%);transition:transform .25s}.b-right.show{transform:none}.tray-toggle{display:inline-flex!important}.setup{grid-template-columns:380px minmax(0,1fr)}.kpis{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}}@media(max-width:860px){.shell{grid-template-columns:1fr}.side{position:fixed;left:0;top:0;bottom:0;width:270px;z-index:60;transform:translate(-100%);transition:transform .25s}.side.show{transform:none;box-shadow:var(--sh-3)}.menu-btn{display:inline-flex}.topbar{padding:0 16px}.page{padding:18px 16px}.lp-links{display:none}.steps,.modes,.pricing,.footer-grid{grid-template-columns:1fr}.stats-band .card{grid-template-columns:1fr 1fr}.stat-cell:nth-child(2){border-right:0}.cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px}.builder{grid-template-columns:1fr;height:auto}.b-left{max-height:46vh;border-right:0;border-bottom:1px solid var(--line)}.b-col{overflow:visible}.b-left{overflow-y:auto}.setup{grid-template-columns:1fr;height:auto}.setup-form{border-right:0;padding-bottom:24px}.setup-prev{height:80vh}.rnd{grid-template-columns:1fr}.welcome{grid-template-columns:1fr;padding:26px 22px}.welcome img{display:none}.section{padding:64px 0}.container{padding:0 16px}.q-opts{grid-template-columns:1fr}.qcard{padding-left:48px}.qcard .check{left:14px}.qlist,.b-tools{padding-left:16px;padding-right:16px}.scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:55;background:#03143666}}@media(max-width:560px){.feat-grid,.kpis,.grid2{grid-template-columns:1fr}.lp-nav .right .btn-ghost-nav{display:none}.b-right{width:100%}.topbar .crumbs{display:none}}.qcard.practice{padding-left:18px;cursor:default}.qcard.practice:hover{border-color:var(--line);box-shadow:none}.q-opt.pickable{cursor:pointer;border:1.5px solid transparent;transition:border-color .15s,background .15s}.q-opt.pickable:hover{border-color:var(--blue);background:var(--blue-s)}.q-opt.bad{background:var(--bad-s)}.q-opt.bad .l{background:var(--bad);border-color:var(--bad);color:#fff}.score{display:inline-flex;align-items:center;gap:12px;height:34px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:650}.score b{font-family:var(--head)}.practice-layout{display:grid;grid-template-columns:300px minmax(0,1fr);height:calc(100vh - var(--top))}@media(max-width:860px){.practice-layout{grid-template-columns:1fr;height:auto}}.paths{display:grid;grid-template-columns:1fr 1fr;gap:16px}.path{display:flex;gap:16px;align-items:flex-start;padding:22px;text-align:left;cursor:pointer;border-radius:20px;border:1.5px solid var(--line);background:#fff;transition:all .15s;font:inherit;color:inherit}.path:hover{border-color:var(--blue);box-shadow:var(--sh-2);transform:translateY(-2px)}.path h3{font-size:18px}.path p{color:var(--muted);font-size:14px;margin-top:4px}.path .go{margin-left:auto;align-self:center;color:var(--blue);flex:none}.path.on{border-color:var(--blue);background:var(--blue-s)}.who{display:grid;grid-template-columns:1fr 1fr;gap:22px}.who .card{padding:30px}.who h3{font-size:22px;margin:16px 0 6px}.who ol{margin:18px 0 22px;padding:0;list-style:none;display:grid;gap:12px;counter-reset:s}.who li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);counter-increment:s}.who li:before{content:counter(s);flex:none;width:24px;height:24px;border-radius:50%;background:var(--blue-s);color:var(--blue-d);font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:1px}@media(max-width:860px){.paths,.who{grid-template-columns:1fr}}.class-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}.class-grid>*{flex:0 1 270px}@media(max-width:560px){.class-grid>*{flex:1 1 100%}}.class-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:20px;min-height:190px;text-align:left;cursor:pointer;font:inherit;color:inherit;background:#fff;border:1.5px solid var(--line);border-radius:18px;box-shadow:var(--sh-1);transition:all .15s}.class-card:hover{border-color:var(--blue);box-shadow:var(--sh-2);transform:translateY(-3px)}.cc-board{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}.cc-name{font-family:var(--head);font-size:26px;font-weight:800;color:var(--navy);letter-spacing:-.02em}.cc-subs{font-size:13.5px;color:var(--ink-2);font-weight:550;line-height:1.45}.cc-meta{font-size:12.5px;color:var(--muted)}.cc-open{margin-top:auto;display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:10px;background:var(--blue-s);color:var(--blue-d);font-weight:700;font-size:14px;transition:background .15s,color .15s}.class-card:hover .cc-open{background:var(--blue);color:#fff}.modal{position:relative}.modal-x{position:sticky;top:12px;float:right;margin:12px 12px -56px 0;z-index:3;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fffffff2;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-1)}.modal-x:hover{background:#f2f5fa;color:var(--ink)}.m-chapbar,.m-sheet-head,.m-paperbar{display:none}@media(max-width:860px){.builder,.practice-layout{display:block;height:auto}.b-left{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;max-height:none;border:0;overflow-y:auto;transform:translateY(100%);transition:transform .25s ease;visibility:hidden}.b-left.show{transform:none;visibility:visible}.b-left .types{display:none}.b-left-head{position:static}.m-sheet-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:3;padding:14px 16px;background:#fff;border-bottom:1px solid var(--line);font-size:17px}.chap-row{padding:14px 16px}.chap-name{font-size:15px}.m-chapbar{display:flex;align-items:center;gap:12px;width:calc(100% - 32px);margin:14px 16px 0;padding:12px 14px;background:#fff;border:1.5px solid var(--blue);border-radius:16px;box-shadow:var(--sh-1);text-align:left;font:inherit;color:var(--ink);cursor:pointer}.m-chapbar b{font-size:16px}.m-chapbar-go{display:inline-flex;align-items:center;gap:4px;flex:none;color:var(--blue-d);font-weight:700;font-size:13.5px;background:var(--blue-s);padding:6px 10px;border-radius:10px}.b-tools{position:static;padding-top:12px;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom:0}.b-tools h2{font-size:16px}.books{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.toolbar .search{flex:1 1 100%;max-width:none;order:-1}.toolbar .search .input{height:42px;font-size:15px}.toolbar>.muted{flex-basis:100%;margin-left:0!important}.qcard{border-radius:14px}.q-body{font-size:15.5px}.m-paperbar{display:flex;align-items:center;gap:12px;position:sticky;bottom:0;z-index:20;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px #0322581a}.qlist{padding-bottom:24px}}@media(max-width:860px){.b-tools>.row>.grow{display:none}}.buy-head{padding-right:44px}@media(max-width:560px){.overlay{padding:10px;align-items:flex-end}.modal{border-radius:20px;max-height:calc(100vh - 20px)}.modal-body{padding:18px 18px 16px}.modal h3{font-size:18px}.buy-desc{display:none}.buy-steps{margin-top:10px}.buy-step{padding:12px 0;gap:12px}.buy-step b{font-size:14.5px}.buy-num{width:24px;height:24px;font-size:12px}.buy-pay{margin-top:8px}.buy-upi{font-size:13.5px}.buy-head>div:last-child>div:first-child{font-size:26px!important}}@media(max-width:560px){.lp-nav .container{gap:10px}.lp-nav .brand{font-size:18px}.lp-nav .brand img{width:34px;height:34px}.lp-nav .right .btn{height:38px;padding:0 12px;font-size:13.5px}.hero-cta .btn{width:100%}}@media(max-width:380px){.lp-nav .brand span{display:none}}.subj .grid2 .btn{padding:0 10px;font-size:13.5px;min-width:0}.nav a.nav-buy{color:#ffc65c}.nav a.nav-buy:hover,.nav a.nav-buy.active{color:#ffd27a}.ready-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.ready-file{border:1.5px solid var(--line);border-radius:16px;padding:16px;min-width:0}@media(max-width:560px){.ready-grid{grid-template-columns:1fr}}