*{box-sizing:border-box}:root{color:#1f1f1c;font-family:system-ui,Segoe UI,Roboto,sans-serif}body{background:#faf9f5;margin:0}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}.app{height:100vh;position:relative;overflow:hidden}.boards-toggle{color:#3a4352;cursor:pointer;z-index:30;background:#fff;border:1px solid #e3e1d8;border-radius:50%;width:42px;height:42px;font-size:18px;position:absolute;top:14px;left:18px;box-shadow:0 3px 12px #0000001a}.boards-toggle:hover{background:#f4f3ee}.boards-panel{z-index:40;background:#fff;border-radius:18px;flex-direction:column;gap:8px;width:330px;max-height:calc(100vh - 24px);padding:18px 16px;display:flex;position:absolute;top:12px;left:12px;box-shadow:0 14px 44px #1e284633}.boards-panel-head{justify-content:space-between;align-items:center;display:flex}.boards-new{color:#2b7cc7;cursor:pointer;background:0 0;border:none;padding:4px;font-size:17px;font-weight:600}.boards-close{color:#5d6570;cursor:pointer;background:0 0;border:none;font-size:16px}.boards-section{color:#6b7480;margin-top:8px;font-size:14px}.boards-list{flex-direction:column;display:flex;overflow-y:auto}.boards-item{text-align:left;color:#2d3440;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;border-radius:8px;padding:9px 6px;font-size:16px;overflow:hidden}.boards-item:hover{background:#f2f5fa}.boards-empty{color:#6b7480;padding:8px 6px;font-size:14px}.landing{background:linear-gradient(135deg,#eef3fb 0%,#f6eff7 55%,#fbeff2 100%);flex-direction:column;justify-content:center;align-items:center;height:100vh;display:flex;position:relative}.landing-brand{align-items:center;gap:8px;display:flex;position:absolute;top:22px;left:74px}.landing-logo{background:linear-gradient(90deg,#7f9cf5,#ed64a6);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:26px;font-weight:800}.landing-center{flex-direction:column;align-items:center;gap:26px;width:min(820px,100vw - 48px);display:flex}.landing-title{color:#2d3440;margin:0;font-size:40px;font-weight:400}.landing-title b{font-weight:800}.landing-modes{gap:18px;width:100%;display:flex}.landing-mode{color:#3a4352;cursor:pointer;background:#fff;border:2px solid #0000;border-radius:14px;flex:1;justify-content:center;align-items:center;gap:10px;padding:18px 0;font-size:17px;font-weight:600;display:flex;box-shadow:0 4px 18px #505a8c14}.landing-mode--active{color:#b02e75;border-color:#f3c4dd;box-shadow:0 4px 22px #d53f8c29}.landing-card{background:#fff;border-radius:18px;flex-direction:column;gap:16px;width:100%;padding:22px 24px 18px;display:flex;box-shadow:0 8px 32px #505a8c1f}.landing-card textarea{resize:none;font:inherit;color:#2d3440;background:0 0;border:none;outline:none;font-size:17px}.landing-card textarea::placeholder{color:#6f7785}.landing-card-footer{justify-content:space-between;align-items:center;gap:12px;display:flex}.landing-card-error{color:#d5478c;margin:0;font-size:13px}.landing-attach-pill{color:#3a4352;cursor:pointer;background:#fff;border:2px solid #ececf1;border-radius:999px;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;display:inline-flex}.landing-attach-card-list{gap:14px;padding-bottom:4px;display:flex;overflow-x:auto}.landing-attach-card{background:#fff;border:2px solid #ececf1;border-radius:16px;flex:none;align-items:center;gap:14px;width:260px;padding:14px;display:flex;position:relative}.landing-attach-card--ready{border-color:#b7e6c9}.landing-attach-card--failed{border-color:#f3c4dd}.landing-attach-card-thumb{background:#f8f8fb;border:1px solid #ececf1;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:60px;font-size:22px;display:flex}.landing-attach-card-thumb .spinner{border-width:3px;width:22px;height:22px}.landing-attach-card-body{min-width:0}.landing-attach-card-title{background:linear-gradient(90deg,#7f9cf5,#ed64a6);color:#0000;white-space:nowrap;text-overflow:ellipsis;-webkit-background-clip:text;background-clip:text;margin:0;font-size:15px;font-weight:700;overflow:hidden}.landing-attach-card-subtitle{color:#8a8f98;white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;font-size:13px;overflow:hidden}.landing-attach-card-remove{color:#8a8f98;cursor:pointer;background:#fff;border:1px solid #ececf1;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;padding:0;font-size:13px;line-height:1;display:flex;position:absolute;top:8px;right:8px}.landing-attach-card-remove:hover{color:#d5478c}.landing-attach-pill input[type=file]{opacity:0;width:1px;height:1px;position:absolute;overflow:hidden}.spinner{border:2px solid #ececf1;border-top-color:#7f9cf5;border-radius:50%;flex-shrink:0;width:14px;height:14px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.document-status-list{flex-direction:column;align-items:flex-end;gap:4px;margin-right:12px;display:flex}.document-status{color:#3a4352;background:#ececf1;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600}.document-status--ready{color:#1f8a4c;background:#dcf5e6}.document-status--failed{color:#b02e75;background:#fbdfe9}.landing-start{color:#fff;cursor:pointer;background:linear-gradient(90deg,#7f9cf5,#ed64a6);border:none;border-radius:12px;padding:12px 34px;font-size:16px;font-weight:600}.landing-start:disabled{color:#767d89;cursor:default;background:#ececf1}.landing-disclaimer{text-align:center;color:#8a8f98;margin-top:14px;font-size:13px}.landing-version{color:#5d6570;font-family:monospace;font-size:13px;position:absolute;bottom:18px;left:26px}.landing-user{align-items:center;gap:12px;display:flex;position:absolute;top:24px;right:26px}.landing-user-email{color:#4a5560;font-size:14px}.landing-signout{color:#3a4352;cursor:pointer;background:#fff;border:1px solid #d9d5cf;border-radius:999px;padding:8px 18px;font-size:14px;font-weight:600}.landing-signout:hover{background:#f4f3ee}.auth-split{min-height:100vh;display:flex}.auth-split-left{background:#fff;flex-direction:column;flex:50%;min-width:0;padding:28px clamp(24px,6vw,74px);display:flex}.auth-split-logo{align-items:center;gap:10px;font-size:22px;font-weight:800;display:flex}.auth-split-logo img{width:28px;height:28px}.auth-split-logo span:not(.beta-badge){background:linear-gradient(90deg,#7f9cf5,#ed64a6);color:#0000;-webkit-background-clip:text;background-clip:text}.auth-split-body{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:stretch;gap:16px;width:min(420px,100%);margin:0 auto;display:flex}.auth-split-title{color:#1c2430;margin:0;font-size:32px;font-weight:800}.auth-split-sub{color:#5d6570;margin:0 0 8px;font-size:16px;line-height:1.5}.auth-split-body .auth-google-btn{justify-content:center;width:100%}.auth-split-legal{color:#8a8f99;margin:10px 0 0;font-size:13px}.auth-error{color:#c0392b;font-size:14px}.auth-google-btn{color:#3a4352;cursor:pointer;background:#fff;border:1px solid #d9d5cf;border-radius:12px;align-items:center;gap:10px;padding:12px 28px;font-size:16px;font-weight:600;display:flex}.auth-google-btn:hover{background:#f4f3ee}.auth-split-right{background:linear-gradient(135deg,#dbe9fb 0%,#eef1fb 45%,#fbe9f0 100%);flex-direction:column;flex:50%;justify-content:center;align-items:center;gap:28px;padding:24px;display:flex;position:relative;overflow:hidden}.auth-visual-board{background:#faf9f5 radial-gradient(#e3e1d8 1px,#0000 1px) 0 0/22px 22px;border:1px solid #e8e6df;border-radius:18px;width:min(480px,90%);overflow:hidden;box-shadow:0 24px 60px #28325a29}.auth-feature-cards{flex-direction:column;gap:14px;width:min(360px,90%);display:flex}.auth-feature-card{background:#fff;border-radius:14px;align-items:center;gap:14px;padding:14px 18px;display:flex;box-shadow:0 8px 24px #3c46781f}.auth-feature-icon{font-size:22px}.auth-feature-card b{color:#1c2430;font-size:15px;display:block}.auth-feature-card small{color:#6b7280;font-size:13px}@media (width<=860px){.auth-split-right{display:none}}.whiteboard-viewport{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;overscroll-behavior:none;background:#faf9f5 radial-gradient(#e3e1d8 1px,#0000 1px) 0 0/24px 24px;position:absolute;inset:0;overflow:hidden}.whiteboard-viewport--panning{cursor:grabbing}.whiteboard-plane{transform-origin:0 0;position:absolute;top:0;left:0}.whiteboard-plane--smooth{transition:transform .4s}.pageflow{flex-flow:column wrap;align-content:flex-start;gap:18px 64px;width:max-content;height:580px;display:flex;position:absolute;top:56px;left:56px}.zoom-controls{background:#fff;border:1px solid #e3e3de;border-radius:10px;flex-direction:column;display:flex;position:absolute;top:16px;right:16px;overflow:hidden;box-shadow:0 2px 10px #00000014}.zoom-controls button{cursor:pointer;background:#fff;border:none;padding:8px 12px;font-size:16px}.zoom-controls button:hover{background:#f2f1ec}.zoom-controls .zoom-reset{color:#666;border-top:1px solid #eee;border-bottom:1px solid #eee;font-size:12px}.board-element{color:#21323c;border-radius:8px;width:max-content;max-width:400px;padding:8px 14px;font-family:Caveat,Segoe Script,cursive;font-size:24px;animation:.35s ease-out board-appear}.board-element--positioned{position:absolute}@keyframes board-appear{0%{opacity:0}to{opacity:1}}.board-element--highlight{background:#ffe6648c}.board-element--circle{outline-offset:6px;border-radius:50%;outline:3px solid #4a90d9}.board-text h1,.board-text h2,.board-text h3{margin:0 0 6px;font-weight:700}.board-text h2{font-size:34px}.board-text table{border-collapse:collapse;background:#fff9}.board-text th,.board-text td{text-align:left;border:1.6px solid #38505c;padding:6px 18px;font-size:24px;font-weight:500}.board-text th{font-weight:700}.board-text ul,.board-text ol{margin:4px 0;padding-left:26px}.board-latex{font-size:22px}.board-drawing svg{max-width:100%;display:block}.board-drawing img{border-radius:6px;width:280px;animation:.5s ease-out board-appear;display:block}.board-drawing{margin:0}.drawing-label{text-align:center;color:#4a5560;margin-top:6px;font-size:20px}.board-drawing--pending{color:#4d5860;background:#ffffff8c;border:2px dashed #c9c5b8;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:280px;height:190px;display:flex}.drawing-pending-text{text-align:center;max-width:240px;font-size:19px}.drawing-spinner{border:3px solid #d9d5c8;border-top-color:#4a90d9;border-radius:50%;width:26px;height:26px;animation:.9s linear infinite spinner-turn}@keyframes spinner-turn{to{transform:rotate(360deg)}}.brand{color:#5a6770;cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:0;font-family:Caveat,cursive;font-size:26px;font-weight:700;display:flex;position:absolute;top:18px;left:70px}.beta-badge--brand{font-family:system-ui,sans-serif}.brand:hover{color:#2d3440}.dock{align-items:center;gap:10px;display:flex;position:absolute;bottom:22px}.top-right{z-index:20;position:absolute;top:18px;right:22px}.speed-control{position:relative}.speed-panel{background:#fff;border:1px solid #e3e1d8;border-radius:14px;width:220px;padding:14px 16px;position:absolute;top:54px;right:0;box-shadow:0 8px 24px #00000024}.speed-panel-row{color:#3a4352;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:14px;display:flex}.speed-panel-value{color:#8a8f98}.speed-panel input[type=range]{width:100%}.dock--left{left:22px}.dock--right{right:22px}.tutor-avatar{background:#fff;border:1px solid #e3e1d8;border-radius:50%;justify-content:center;align-items:center;width:58px;height:58px;font-size:30px;display:flex;box-shadow:0 3px 12px #0000001f}.dock-btn{cursor:pointer;background:#fff;border:1px solid #e3e1d8;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;display:flex;box-shadow:0 3px 10px #0000001a}.dock-btn:hover{background:#f4f3ee}.mic-big{color:#fff;cursor:pointer;background:#c2402f;border:none;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;font-size:26px;display:flex;box-shadow:0 4px 16px #e05a4e66}.mic-big--listening{animation:1.4s ease-in-out infinite mic-pulse}.mic-big--idle{color:#444;background:#fff;border:1px solid #e3e1d8;box-shadow:0 3px 12px #0000001f}.mic-big--connecting,.mic-big--transcribing{opacity:.75}.mic-big:disabled{color:#555;cursor:default;box-shadow:none;background:#e9e9e9}@keyframes mic-pulse{0%,to{box-shadow:0 0 #e05a4e73}50%{box-shadow:0 0 0 12px #e05a4e00}}.caption-float{text-align:center;color:#4a5560;pointer-events:none;max-width:min(720px,60vw);font-size:16px;position:absolute;bottom:34px;left:50%;transform:translate(-50%)}.status-float{color:#6e7a84;pointer-events:none;font-size:13px;position:absolute;bottom:64px;left:50%;transform:translate(-50%)}.status-float--error{color:#c33}.input-float{background:#fff;border:1px solid #e3e1d8;border-radius:999px;gap:8px;width:min(560px,100vw - 48px);padding:6px 6px 6px 18px;display:flex;position:absolute;bottom:100px;left:50%;transform:translate(-50%);box-shadow:0 6px 24px #00000024}.input-float input{background:0 0;border:none;outline:none;flex:1;font-size:15px}.input-float button{color:#fff;cursor:pointer;background:#1f1f1c;border:none;border-radius:999px;padding:10px 20px;font-size:14px}.input-float button:disabled{opacity:.5;cursor:default}.welcome{color:#1c2430;background:#fff;min-height:100vh;font-size:16px;overflow-y:auto}.welcome-nav{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;background:#ffffffeb;border-bottom:1px solid #eef0f4;align-items:center;gap:28px;padding:14px 32px;display:flex;position:sticky;top:0}.welcome-logo{align-items:center;gap:10px;font-size:20px;font-weight:800;display:flex}.welcome-logo img{width:30px;height:30px}.welcome-logo>span:not(.beta-badge){background:linear-gradient(90deg,#7f9cf5,#ed64a6);color:#0000;-webkit-background-clip:text;background-clip:text}.beta-badge{letter-spacing:.02em;color:#fff;background:linear-gradient(90deg,#7f9cf5,#ed64a6);-webkit-background-clip:padding-box;background-clip:padding-box;border-radius:999px;padding:2px 9px;font-size:11px;font-weight:700;line-height:1.5}.welcome-nav-links{gap:22px;margin-left:auto;display:flex}.welcome-nav-links a{color:#3a4352;font-size:15px;font-weight:600;text-decoration:none}.welcome-nav-links a:hover{color:#1c2430}.welcome-cta{color:#fff;cursor:pointer;background:linear-gradient(90deg,#7f9cf5,#ed64a6);border:none;border-radius:999px;padding:10px 24px;font-size:15px;font-weight:700;box-shadow:0 4px 16px #966ec84d}.welcome-cta:hover{filter:brightness(1.05)}.welcome-cta--big{padding:16px 42px;font-size:18px}.welcome-hero{text-align:center;background:linear-gradient(#f6f4fd 0%,#fff 85%);padding:84px 24px 40px}.welcome-hero h1{letter-spacing:-1px;margin:0 0 14px;font-size:clamp(40px,7vw,64px);font-weight:800}.welcome-hero p{color:#4a5560;margin:0 0 30px;font-size:clamp(17px,2.5vw,22px)}.welcome-board{text-align:left;background:#faf9f5 radial-gradient(#e3e1d8 1px,#0000 1px) 0 0/22px 22px;border:1px solid #e8e6df;border-radius:18px;width:min(760px,92vw);margin:56px auto 0;overflow:hidden;box-shadow:0 24px 60px #28325a24}.welcome-board-caption{color:#4a5560;background:#ffffffb3;border-bottom:1px solid #eee9df;padding:12px 20px;font-size:14px}.welcome-board-body{color:#21323c;justify-content:space-around;align-items:center;padding:34px 20px 40px;font-family:Caveat,cursive;display:flex}.wb-col{flex-direction:column;gap:14px;display:flex}.wb-title{font-size:34px;font-weight:700}.wb-eq{font-size:28px}.wb-sketch{width:200px;height:150px}.welcome-features{flex-wrap:wrap;justify-content:center;gap:18px;padding:44px 24px;display:flex}.welcome-chip{border:1px solid #eef0f4;border-radius:14px;align-items:center;gap:12px;padding:14px 22px;display:flex;box-shadow:0 4px 14px #1e28460f}.welcome-chip span{font-size:26px}.welcome-chip b{font-size:16px;display:block}.welcome-chip small{color:#5d6773}.welcome-values{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;width:min(1000px,92vw);margin:30px auto 70px;display:grid}.welcome-card{text-align:center;background:#f8f7fc;border-radius:18px;padding:28px 24px}.welcome-card-icon{font-size:34px}.welcome-card h3{margin:12px 0 8px;font-size:20px}.welcome-card p{color:#4a5560;margin:0;line-height:1.5}.welcome-how{text-align:center;background:linear-gradient(#fff,#f6f4fd);padding:40px 24px 70px}.welcome-how h2,.welcome-quotes h2,.welcome-final h2{margin:0 0 34px;font-size:clamp(28px,4.5vw,40px);font-weight:800}.welcome-steps{text-align:left;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px;width:min(1000px,92vw);margin:0 auto;display:grid}.welcome-step{background:#fff;border:1px solid #eef0f4;border-radius:18px;padding:26px 24px;box-shadow:0 6px 20px #1e28460f}.welcome-step-n{color:#fff;background:linear-gradient(135deg,#ed64a6,#7f9cf5);border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-weight:700;display:inline-flex}.welcome-step h3{margin:14px 0 8px;font-size:19px}.welcome-step p{color:#4a5560;margin:0;line-height:1.5}.welcome-quotes{text-align:center;padding:60px 24px}.welcome-quote-row{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;width:min(1000px,92vw);margin:0 auto;display:grid}.welcome-quote-row blockquote{color:#3a4352;background:#f8f7fc;border-radius:16px;margin:0;padding:24px;font-size:16px;line-height:1.55}.welcome-final{text-align:center;background:linear-gradient(#f6f4fd,#fdeef5);padding:70px 24px 84px}.welcome-final p{color:#4a5560;width:min(560px,92vw);margin:0 auto 30px;font-size:17px;line-height:1.6}.welcome-footer{color:#5d6773;border-top:1px solid #eef0f4;justify-content:space-between;align-items:center;padding:22px 32px;font-size:14px;display:flex}.welcome-footer div{gap:18px;display:flex}.welcome-footer a{color:#5d6773;text-decoration:none}.welcome-footer a:hover{color:#1c2430}.limit-backdrop{z-index:100;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#1e212b59;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.limit-modal{background:#fff;border-radius:20px;width:340px;max-width:calc(100vw - 40px);padding:32px 28px 28px;position:relative;box-shadow:0 20px 60px #00000040}.limit-close{color:#9aa0aa;cursor:pointer;background:0 0;border:none;border-radius:50%;width:28px;height:28px;font-size:16px;position:absolute;top:16px;right:16px}.limit-close:hover{color:#5a6770;background:#f4f3ee}.limit-icons{margin-bottom:18px;font-size:28px}.limit-modal h2{color:#1c2430;margin:0 0 10px;font-size:22px;font-weight:800}.limit-modal p{color:#5d6773;margin:0 0 22px;font-size:15px;line-height:1.5}.limit-premium-btn{color:#fff;cursor:pointer;background:linear-gradient(90deg,#7f9cf5,#ed64a6);border:none;border-radius:999px;width:100%;padding:14px;font-size:16px;font-weight:700}.limit-premium-btn:disabled{color:#767d89;cursor:default;background:#ececf1}
