@font-face{font-family:SUIT;font-display:swap;font-weight:400;src:local(SUIT Regular),url(/assets/fonts/suit/SUIT-Regular.woff2)format("woff2")}@font-face{font-family:SUIT;font-display:swap;font-weight:500;src:local(SUIT Medium),url(/assets/fonts/suit/SUIT-Medium.woff2)format("woff2")}@font-face{font-family:SUIT;font-display:swap;font-weight:600;src:local(SUIT SemiBold),url(/assets/fonts/suit/SUIT-SemiBold.woff2)format("woff2")}@font-face{font-family:SUIT;font-display:swap;font-weight:700;src:local(SUIT Bold),url(/assets/fonts/suit/SUIT-Bold.woff2)format("woff2")}@font-face{font-family:SUIT;font-display:swap;font-weight:800;src:local(SUIT ExtraBold),url(/assets/fonts/suit/SUIT-ExtraBold.woff2)format("woff2")}@font-face{font-family:SUIT;font-display:swap;font-weight:900;src:local(SUIT Heavy),url(/assets/fonts/suit/SUIT-Heavy.woff2)format("woff2")}body{color:var(--text-heading)}#root,html,body,div,span{font-size:1rem;font-family:SUIT!important}.hide-scroll-bar{scrollbar-width:none;-ms-overflow-style:none}.hide-scroll-bar ::-webkit-scrollbar{display:none}.--hdivider{background-color:var(--border-strong);width:100%;height:1px}.--vdivider{background-color:var(--border-strong);width:1px;height:100%}.plyr--menu-open{overflow:hidden!important}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/build/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/build/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/build/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/build/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/build/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/build/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/build/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/build/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/build/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/build/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/build/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/build/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/build/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/build/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/build/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/build/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/build/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/build/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/build/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/build/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/build/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/build/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/build/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/build/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/build/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/build/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/build/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/build/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/build/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/build/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/build/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/build/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/build/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/build/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/build/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/build/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/build/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/build/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/build/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/build/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/build/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/build/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/build/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/build/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/build/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/build/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/build/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/build/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/build/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/build/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/build/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,d09GMgABAAAAAA4oAA4AAAAAHbQAAA3TAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAABmAAgRQIDgmcDBEICo1oijYBNgIkA14LMgAEIAWJAAeBHAyBHBvbGiMRdnO0IkRRkiYDgr9KsJ1NUAf2kILNxgUmgqIgq1P89vcbIcmsQbRps3vCcXdYOKSWEPEKgZgQkprQQsxIXUgq0DqpGKmIvrgkeVGtEQD9DzAO29fM9jYhxZEsL2FeURH2JN4MIcTdO049NCVdxQ/w9NrSYFEBKTDKpLKfNkCGDc1RwjZLQcm3vqJ2UW9Xfa3tgAHz6ivp6vgC2yD4/6352ndnN0X0TL7seypkjZlMsjmZnf0Mm5Q+JykRWQBKCVCVPbARPXWyQtb5VgLB6Biq7/Uixcj2WGqdI8tGSgkuRG+t910GKP2D7AQH0DB9FMDW/obJZ8giFI3Wg8Cvevz0M+5m0rTh7XDBlvo9Y4vm13EXmfttwI4mBo1EG15fxJhUiCLbiiyCf/ZA6MFAhg3pGIZGdGIVjtPn6UcMk9A/UUr9PhoNsCENw1APAq0gpH73e+M+0ueyHbabc3vkbcdtzcf/fiy+NxQEjf9ud/ELBHAXJ0nk4z+MXH2Ev/kWyV4k7SkvpPc9Qr38F6RPWnM9cN6DJ0AdD1BhtgABtmoRoFCvPsBAumNm6soZG2Gk5GyVTo2sJncSyp0jQTYoR6WDvTwaaEcHsxHfvuWhHA3a6bN7twRKtcGok6NsCi7jYRrM2jExsUFMxMQYuJbMhuWNOumEJy9hi29Dmg5zMp/A5+hhPG19j1vBrq8JTLr8ki5VLPmG/PynJHVul440bxg5xuymHUFPBshC+nA9I1FmwbRBTNHAcik3Oae0cxKoI3MOriM42UrPe51nsaGxJ+WfXubAsP84aabUlQSJ1IiE0iPETLUU4CATgfXSCSpuRFRmCGbO+wSpAnzaeaCYW1VNEysRtuXCEL1kUFUbbtMv3Tilt/1c11jt3Q5bbMa84cpWipp8Elw3MZhOHsOlwwVUQM3lAR35JiFQbaYCRnMF2lxAWoOg2gyoIV4PouX8HytNIfLhqpJtXB4vjiViUI8IJ7bkC4ikkQvKksnOTKICwnqWSZ9YS5f0WCxmpgjbIq7EJcM4aI2nmhLNY2JIUgOjXZFWBHb+x5oh6cwb0Tv1ackHdKi0I9OO2wE9aogIOn540CCCziyhN+IaejtgAONKznHlHyutPrHGwCx9S6B8kfS4Mfi4Eyv7OU730bT1SCBjt834cXsf43zVjPUqqJjgrjeGnBxSG4aYAKFuVbeCfkDIjAqMb6yLNIbCuvXhMH2/+k2vkNpkORhR59N1CkzoOENvneIosjYmuTxlhUzaGEJQ/iWqx4dmwpmKjrwTiTGTCVozNAYqk/zXOndWxuWSmJkQpJw3pK5KX6QrLt5LATMqpmPAQhkhK6PUjzHUn7E0gHE0kPE0iKkolgkUx9SZmVAdDgpffdyJKg3k7VmzYGCwVXGz/tXmkOIp+vcWs+EMuhhvN0h9uhfzWJziBQmCREGSIFmQIkgVpAnSBRmC//6hkLZwaVhwxlrJSOdqlFtOYxlau9F2QN5Y98xmIAsiM1HVp2VFX+DHHGg6Ecjh3vmqtidX3qHI2qycTk/iwxSt5UzTmEP92ZBnEWTk4Mx8Mpl78ZDokxg/KWb+Q0QkvdKVmq3TMW+RXEgrsziSAfNXFMhDc60N5N9jQzjfO0kBKpUZl0ZmwJ41j/B9Hz6wmRaJB84niNmQrzp9eSlQCDDzazGDdVi3P36VZQ+Jy4f9UBNp+3zTjqI4abaFAm+GShVaXlsGdF3FYzZcDI6cori4kMxUECl9IjJZpzkvitAoxKue+90pDMvcKRxLl53TmOKCmV/xRolNKSqqUxc6LStOETmFOiLZZptlZepcKiAzteG8PEdpnQpbOMNcMsR4RR2Bs0cKFEvSmIjAFcnarqwUL4lDhHmnVkwu1IwshbiCcgvOheZuYyOteufZZwlcTlLgnZ3o/WcYdzZHW/WGaqaVfmTZ1aWCceJjkbZqsfbkOtcFlUZM/jy+hXHDbaUobWqqXaeWobbLO99yG5N3U4wxco0rQGGcOLASFMXeJoham8M+/x6O2WywK2l4HGbq1CoUyC/IZikQhdq3SiuNrvAEj0AVu9x2x3lp/xWzahaxidezFVtdcb5uEnzyl0ZmYiuKI0exvCd4Xc9CV1KB0db00z92wDPde0kukbvZIWN6jUWFTmPIC/Y4UPCm8UfDTFZpZNon1qLFTkBhxzB+FjQRA2Q/YRJT8pQigslMaUpFyAG8TMlXigiqmAZX4xgijKjRlGpLE0GdplRfCaJo0JQaSxNBk6ZmMzcya0FmrcisDdn0Q3HI2sWSppYigmlM1XT/kLQZSNpMJG0WkjYbSZuDpM1F0uYhFc1HxU4m1QJjDK6iL0S5uSj5rgXc3RejEigtcRBtqYPQsiTskmO5vosV+q4VGIKbOkDg0jtRrq+Em1YloaTFar3EGr1EUC8R0kus1Uus00usL97ABr2BjXoDm/QGNhuWtMVBKOwg/i78lT7hBsAvDmwHc/ao3vmUbBmhjeYySZNWvGkfZAgISDSaDo1SVpzGDsAEkF8B+gEapViUoZgUWXcRIGFZNm6gWbAKk0bp0k1MHG9fLYtV4iS2SmLEQFARzRcnf9PUS0LVn05/J9MiRRBU3v2IrvW974v4N00L7ZMk0wXP1409CHo/an8zTRHD3eSJ6m8D4YMkZNl3M79sqeuAsr/m3f+8/yl7A50aiAEJgeBeMWzu7ui9UfUBCe2TIqZIoOd/3/udRBOQidQZUERzb2/VwZN1H/Sju82ew2H2Wfr6qvfVf3hqwDvAIpkQVFy4B9Pe9e4/XvPeceu7h3dvO56iJPf0+A6cqA2ip18ER+iFgggiuOkvj24bby0N9j2UHIkgqIt+sVgfodC4YghLSMjSZbH0VR/6dMDrYJeKHilKTemt6v6kvzvn3/RrdWtr0GoN/xL+Sex/cPYLUpepx9cz/D46UPU5KXgAQa+NDps1v6J3xP1i2HtaDB0M9aX2deA7SYff//+gUCovMmIK/qfsFcOk+4Y5ZN97XlG6zebqtMbKgeRFi51vnxTQYBUik2rS/Cn6PC8ADR8FGxsRPB82dzfND90gIcshOcYUkfjherBz53odpm6TP8txlwOZ71xmfHHOvq053qFF/MRlS3jP0ELudrf2OeN8DHvp6ZceLe8qKYvWz/7yp0u4dKPfli3CYq0O13Ih71mylJ80tOi10On8wi+F4+LWgDPeJ30msSQt9/vkmHq9/Lvo2b461mP801v3W4xTcs6CbvF9UDdrSt+A8OUbpSh55qAUFXWznBBfdeJ8a4d7ugT5tvxUza3h9m4H7ptTqiG4z0g5dc0X29OcGlhpGFMpQo9ytTS+NViZpNdvU4kWx+LKxNY10kQ1yqGXrhe4/1nvP7E+nd5A92TtaRplbHSqoIdOqtRWti+fkB5/n1+/VvCmz12pG1kpQWsfi1ftlBobm0bpngs16CHkbIwdLnParxtTV3QYRlfJ0KFskH7pdN/YDn+yRuSd7sNH3aO0DYPggk6uWuXrfOc+fa3VTxFVvKaNxHsiHmsXyCLIE5yuOeN3/Jdf8HBL/5M6shjyhxHx9BjB1O0+4NLOnjLLSxwO7ukN4jMbOIcD879KLSi6Pk61Oqm2377n8079PXEEQ7cy7OKEC9nbpet118fxweTafpt69x/Bt8UqGzNQt7aelpc44dn5cqhwf71+qKp/Zf/+a0zcizOUWpl/iBcSXip0pplkatCchoH5c5aUM8I7/dWxAej8WicPL1URFZ9BDJelUwEwTkGqUhgSlydVes95YdXvhh9Gfz/aeFWvgVb4tuLbcv4+wLdutVZv/cUonwBD/6eDlE0aSiKK/uoH3+J1wDE/jMVqY2ysGufN84oIXB0sPzy8ollX/LegY74DgJXJR57sn+VGza0x3DnuIgABFM15LmajjjsNlYj+JEZGbuRYcAMOWxFkPN2w6Wd46xo4gVWQR/X4lyI/R6K/YK0110GzudPRW7Y+UOBGTfNNzHeYT0fiH0taunBpq9HEW8OKSaBGj21L0MqenEmNRWBAWDWAk4CpNoEZJ2tTaPFgbQYj8HxtFilErs3BTRwT8uO1NXQaWfIotchmPkAF5mMBAliEmZiOGVgCG9LgRzpscMAOOwowlT3JhusdazXGSC/hxR3UlmWVwWHpOIKheqONvjyhSiTHIkVUco5bnji8m//zL7PKaT1Vl5I6UE609f+gkr6MZKVyKc7zJRmCahLsdlyA5fdQkRSan9LgnnLEyGSkaKJCJog0wAgvepWBt80+1yKln1bMVtCljfNWDueKLsWwaEbBSfSPTEmVRsUcYYMnEjcjeyCZzBXK9E9BYBXLKjOSpUDR+nEV3TFSUdQaz+ot98QxgXwx0GQ+EEUAKB2qZPkQQ0GqFD8UPFMqyaCHM24BZmSGic9EYMagKizOw9Hz50DMrDLrqqLkTAhplMictiCAx5S3BIUQdeJeLnBy2CNtMfz6cV4u8XKoFZQesbf9YZiIERiHjaNodDW6LgcirX/mPnJIkBGDUpTBhSa0EIr38D5hCIszhCM8URGBqImoWjpvpt1ebu/v3Gl3qJfMnNM+9V+kiRFyROTPHQWOcs1dNW94/ukKMPZBvDi55i5CttdeJz84DLngLqjcdwEZ87bFFR8CIG35OAkDVN6VRDZ7aq67NteYqZ2lpT8oYB2CytoBd6VuAx4WgiAsnuj3WohG+LugzXiQRDeM3XYXlULv4dp5VFYC)format("woff2"),url(/assets/build/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/build/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/build/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/build/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/build/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/build/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/build/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/build/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:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:-webkit-min-content;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}:root{background-color:var(--bg-secondary,#f8f9fa);-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-user-drag:none;width:100%;max-width:100%;font-family:SUIT,-apple-system,Segoe UI,Roboto,Oxygen,Material Symbols Outlined,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:62.5%;font-weight:300}html[data-text-scale="80"]{font-size:56.25%}html[data-text-scale="90"]{font-size:59.325%}html[data-text-scale="100"]{font-size:62.5%}html[data-text-scale="110"]{font-size:65.625%}html[data-text-scale="120"]{font-size:68.75%}html[data-text-scale="130"]{font-size:71.875%}html[data-text-scale="140"]{font-size:75%}html[data-text-scale="150"]{font-size:78.125%}html[data-text-scale="160"]{font-size:100%}html[data-text-scale="170"]{font-size:106.25%}html[data-text-scale="180"]{font-size:112.5%}html[data-text-scale="190"]{font-size:118.75%}html[data-text-scale="200"]{font-size:125%}body{margin:0;font-family:SUIT}a{color:inherit;text-decoration:none}*,:before,:after{box-sizing:border-box}*{font:inherit;margin:0;padding:0}body{min-height:100vh}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}html{max-height:100vh;overflow:hidden}.select-outline-1{outline-offset:0;outline:4px solid #0000;animation:3s ease-in-out .4s forwards animateOutline}@keyframes animateOutline{0%{outline-offset:0;outline-width:1px;outline-color:#6997f800}20%{outline-color:#6997f8bf}50%{outline-offset:-2px;outline-width:4px;outline-color:#6997f800}to{outline-offset:-2px;outline-width:4px;outline-color:#6997f800}}.notification-container{opacity:0;margin-top:env(safe-area-inset-top,12px);transform:translateY(-100%)}@keyframes animateNotification{0%{margin-top:env(safe-area-inset-top,12px);opacity:0;transform:translateY(-100%)}20%{margin-top:env(safe-area-inset-top,12px);opacity:1;transform:translateY(0)}80%{margin-top:env(safe-area-inset-top,12px);opacity:1;transform:translateY(0)}to{margin-top:env(safe-area-inset-top,12px);opacity:.2;transform:translateY(-100%)}}.loader{--d:22px;color:#25b09b;width:4px;height:4px;box-shadow:calc(1 * var(--d)) calc(0 * var(--d)) 0 0, calc(.707 * var(--d)) calc(.707 * var(--d)) 0 1px, calc(0 * var(--d)) calc(1 * var(--d)) 0 2px, calc(-.707 * var(--d)) calc(.707 * var(--d)) 0 3px, calc(-1 * var(--d)) calc(0 * var(--d)) 0 4px, calc(-.707 * var(--d)) calc(-.707 * var(--d)) 0 5px, calc(0 * var(--d)) calc(-1 * var(--d)) 0 6px;border-radius:50%;animation:1s steps(8,end) infinite l27}@keyframes l27{to{transform:rotate(1turn)}}.qr-reader{width:430px;height:430px;margin:0 auto;position:relative}.qr-reader video{object-fit:cover;width:100%;height:100%}.qr-reader .qr-box{width:100%!important;left:0!important}.qr-box.scan-region-highlight{height:0!important}.qr-reader .qr-frame{fill:none;position:absolute;top:50%;left:50%;transform:translate(-50%)translateY(0)}@media (max-width:426px){.qr-reader{width:100%;height:76vw}.qr-reader .qr-frame{transform:translate(-50%)translateY(-10%)}}input[type=range]{-webkit-appearance:none;background:0 0;border-radius:20px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--icon_default);border-radius:100%;width:24px;height:24px}.range-progress{background:var(--gray200);border-radius:20px;height:10px;position:absolute;left:16px;right:16px}:root{--beta:#d14bf5;--blue:#009fff;--gray200:#f6f7f9;--gray300:#e6e7ea;--gray400:#d9dde0;--gray500:#bfc5cb;--gray600:#98a1a6;--gray800:#575c62;--gray850:#4a4e53;--DEFAULT:#37c57e;--CHAPTER:#ffbd40;--CHAPTER_COURSE:#5ab922;--PRETEST_CHAPTER:#ee6464;--ADVANCED:#ee2224;--ADVANCED_V2:#ee2224;--STATEMENT:#42d1f5;--STATEMENT_V2:#42d1f5;--COMPETITION:#b6774f;--UNITGROUP_WORKBOOK:#337ab7;--SELF_DIRECTED:#3ad2c3;--PRETEST:#a184d6;--COGITATION:#5f73a2;--TEXTBOOK:#e95694;--LEARNING_CHECK:#f98631;--CHALLENGE_LEVEL_UP_UNITGROUP:#3cab53;--CHAPTER_LEARNING_FOR_EXAM:#cdd23a;--PRETEST_FOR_EXAM:#a184d6;--DIAGNOSTIC_LEARNING:#82e1b1;--HOMEWORK_UNITGROUP:#7cd3e9;--WRONG_ANSWER_TYPE_LEARNING:#5f73a2;--TEXTBOOK_MARK_WRONGTYPE:#000;--VIDEOCLIP:#4fb691;--TRIAL_EXAM:#a6afff;--ADAPTIVE:#2484e5;--SELF_REMIND:#24b2e5;--ASSESSMENT:#a6afff;--ASSESSMENT_NORMAL:#a184d6;--ASSESSMENT_CONTEST:#a184d6;--ASSESSMENT_TRIAL:#a184d6;--COMMENT:#2484e5;--CHALLENGE_STAR_UNITGROUP:#ffd440;--CHALLENGE_BATCH_UNITGROUP:#4e3c3c;--COMPLEMENTARY_LEARNING:#ffc0cd;--CHAPTER_MASTER:#e8e29b;--CONCEPT_UNITGROUP:#e8db9b;--TALK_ASK:#f55676;--UNFAMILAR_UNITGROUP:#ffa6db;--NOTE_CHAPTER_EXAMPLE:#7ce996;--PHOTOREMIND_CREATE:#009dae;--PHOTO_REMIND_NOTE:#009dae;--YSDJ_UNITGROUP_MASTER:#e8e29b;--TEXTBOOK_MARK:#de0973;--FORCE_UPDATE:#b4b4b4;--WORKBOOK:#8b7bfe;--PRIVATE_BOOK:#ff74ab;--WORKBOOK_TEXTBOOK:#725fec;--WORKBOOK_COMMERCIAL_TEXTBOOK:#ed669b;--WORKBOOK_PUBLIC_EXAM:#f1922d;--WORKBOOK_MATHOLIC:#3f94e6;--WORKBOOK_CHAPTER:#79b549;--WORKBOOK_UNITGROUP:#53ac7a;--WORKBOOK_WEAKNESS:red;--WORKBOOK_ADVANCED:#2e5bb8;--WORKBOOK_STATEMENT:#00a19c;--WORKBOOK_WRONGTYPE:#f397ba;--WORKBOOK_REGIONAL_FREQUENT_UNITGROUP:#ffc52f;--WORKBOOK_COURSE_HOMEWORK:#4c98ad;--WORKBOOK_MATHOLIC_PREMIUM:#bd4d38;--WORKBOOK_BUNDLE:#32944e;--WORKBOOK_BOOKMARK:#8e8e93;--WORKBOOK_WORD_PROBLEM:#fa5d4f;--WORKBOOK_REMIND_HOMEWORK:#f356d1;--WORKBOOK_PRIVATE_HOMEWORK:#931eba;--WEEK_CLINIC:#bac7b4;--WRONG_ANSWER_LEARNING:#a25f5f;--textbook-thumb-1:#3b6d11;--textbook-thumb-2:#185fa5;--textbook-thumb-3:#854f0b;--textbook-thumb-4:#534ab7;--textbook-thumb-5:#ba7517;--textbook-thumb-6:#2b6cb0;--textbook-thumb-7:#639922;--toma_bronze:#d1d1d1;--toma_silver:silver;--toma_gold:gold;--toma_etc:#d1d1d1;--toma_bronze_bg:#eaecef59;--toma_silver_bg:#c0c0c059;--toma_gold_bg:#ffd70059;--toma_etc_bg:#eaecef59;--text-heading:#212529;--text-strong:#495057;--text-body:#333;--text-secondary:#757e85;--text-sub:#878e95;--text-tertiary:#98a1a6;--text-muted:#adb5bd;--text-placeholder:#bfc5cb;--text-disabled:#bfc5cb;--text-line:#dee2e6;--text-inverse:#fff;--text-brand:#4292ff;--text-blue-gray:#64758b;--bg-surface:#fff;--bg-secondary:#f6f7f9;--bg-tertiary:#f1f3f5;--bg-selected:#e5f2fd;--bg-info-soft:#f3f6ff;--bg-info:#bdd2ff;--bg-overlay:#00000073;--bg-overlay-frost:#ffffffb8;--bg-overlay-scrim:#000000c7;--bg-table-header:#fafafa;--border-default:#eaecef;--border-strong:#d3d5d7;--border-brand:#93b5ff;--border-table:#f0f0f0;--status-info-bg:#e6f7ff;--status-info-text:#1890ff;--status-success-bg:#f6ffed;--status-success-text:#52c41a;--status-warning-bg:#fff7e6;--status-warning-text:#fa8c16;--status-error-bg:#fff1f0;--status-error-text:#ff4d4f;--status-pending-bg:#fffbe6;--status-pending-text:#faad14;--status-success-text-strong:#2c7a10;--status-error-text-strong:#cf2427;--workbook-round-1:#2e6fd9;--workbook-round-2:#1b54b3;--workbook-round-3:#0e3a80;--status-info-solid-bg:#3d8cff;--status-info-solid-text:#f1f5fe;--status-info-solid-border:#4d95ff;--status-warning-solid-bg:#fff2db;--status-warning-solid-text:#ff9f3b;--status-warning-solid-border:#ffcd56;--status-error-solid-bg:#ffe2ed;--status-error-solid-text:#db5b72;--status-error-solid-border:#e0aeb2;--status-pending-solid-bg:#f9fafc;--status-pending-solid-text:#64758b;--status-pending-solid-border:#d3d5d7;--shadow-modal:0 6px 16px 0 #00000014, 0 3px 6px -4px #0000001f, 0 9px 28px 8px #0000000d;--shadow-card:0 0 8px #0000000d, 0 2px 4px #00000026;--shadow-button:0 2px 0 #00000005;--shadow-input-focus:0 0 0 2px #4292ff33;--shadow-light:0 2px 8px #0000001a;--shadow-sheet-top:0 -4px 8px -4px #0000001a;--button-primary-bg:#4292ff;--button-primary-text:white;--button-primary-border:#4292ff;--button-secondary-bg:#dbeaff;--button-secondary-text:#3a8dff;--button-secondary-border:#5ea1ff;--button-secondary-bg-opacity:#e6efff33;--button-secondary-border-opacity:#4292ff80;--button-default-bg:white;--button-default-text:#333;--button-default-border:#d3d5d7;--button-light-bg:white;--button-light-text:#64758b;--button-light-border:#eaecef;--button-ghost-bg:white;--button-ghost-text:#333;--button-ghost-border:white;--button-danger-bg:#ff6363;--button-danger-text:white;--button-danger-border:#ff6363;--button-warning-bg:#ff9f3b;--button-warning-text:#fff;--button-warning-border:#ff9f3b;--button-disable-bg:#f1f3f5;--button-disable-text:#98a1a6;--button-disable-border:#d3d5d7;--button-unselect-bg:white;--button-unselect-text:#333;--button-unselect-border:#d3d5d7;--button-light-disable-bg:#f1f3f5;--button-light-disable-text:#adb5bd;--button-light-disable-border:#eaecef;--pass-bg_bold:#ffcd56;--pass-txt_bold:#ee8c27;--pass-border_bold:#ffcd56;--pass-bg-light:#fff2db;--pass-txt-light:#ff9f3b;--pass-border-light:#ffcd56;--btn_correct:#6997f8;--txt_correct:#1f60f0;--bg_correct:#f1f5fe;--icon_correct:#6997f8;--btn_wrong:#db5b72;--txt_wrong:#ec5764;--bg_wrong:#ffe2ed;--icon_wrong:#ee4453;--txt_warning:#ee8c27;--btn_warning:#ffcd56;--quiz-color:#4c8bf5;--quiz-bg:#f6f8fb;--quiz-hover:#ebf1ff;--quiz-active:#d6e4ff;--quiz-border:#e0e6ef;--question-color:#e8792b;--question-bg:#fff8f3;--question-hover:#fff0e5;--question-active:#ffe4d1;--question-border:#f0ddd0;--chat-bg1:#1890ff;--chat-fg1:#fff;--chat-bg2:#ececec;--chat-fg2:#333;--hint-background:linear-gradient(155deg, #d58eff 0%, #8375fd 100%);--hint-highlight:linear-gradient(155deg, #d58eff 0%, #8375fd 180%);--icon_default:#6997f8;--bg_error:#fd6b86;--txt_disable:#a8a8a8;--bg_disable:#fff;--point_01:#3875f6;--color_02:#38a066;--color_08:#f85472;--prospective-bg:#eee;--prospective-text:#555;--regular-student-bg:#e5f2fd;--regular-student-text:#1677ff;--qr-bg:#fff;--notice-tag-notice-bg:#f3e9ff;--notice-tag-notice-fg:#ac62f0;--notice-tag-update-bg:#dcfce7;--notice-tag-update-fg:#009e37;--video-stage-bg:#000;--video-control-fg:#fffffff2;--video-control-fg-dim:#fff9;--video-chip-bg:#ffffff26;--video-chip-bg-hover:#ffffff40;--video-chip-fg:#fff;--video-progress-track:#ffffff4d;--video-progress-buffer:#ffffff80;--video-progress-played:var(--button-primary-bg);--video-overlay-scrim:#0009;--video-overlay-scrim-strong:#000c;--video-controls-scrim-top:transparent;--video-controls-scrim-bottom:#000c;--video-popover-bg:#000000e6;--video-toast-bg:#000000b3;--video-ripple-bg:#ffffff26;--video-control-sm:24px;--video-control-md:36px;--video-control-lg:44px;--video-controls-padding:var(--space-12);--space-2:2px;--space-4:4px;--space-6:6px;--space-8:8px;--space-10:10px;--space-12:12px;--space-14:14px;--space-16:16px;--space-20:20px;--space-24:24px;--space-32:32px;--radius-4:4px;--radius-6:6px;--radius-8:8px;--radius-10:10px;--radius-12:12px;--radius-16:16px;--radius-full:9999px;--font-3xs:.8rem;--font-2xs:1rem;--font-xs:1.2rem;--font-sm:1.4rem;--font-md:1.6rem;--font-lg:1.8rem;--font-xl:2rem;--font-2xl:2.2rem;--font-3xl:2.5rem;--lh-tight:1.2;--lh-normal:1.4;--lh-relaxed:1.6;--control-h:32px;--control-h-sm:28px}html[data-theme=dark],[data-apphelp-theme=dark]{--text-heading:#e8eaed;--text-strong:#dee0e4;--text-body:#d2d4d7;--text-secondary:#9aa0a6;--text-sub:#8a9099;--text-tertiary:#71767b;--text-muted:#5f6368;--text-placeholder:#5f6368;--text-disabled:#5f6368;--text-line:#3c4043;--text-inverse:#202124;--text-brand:#78b0ff;--text-blue-gray:#8ab4f8;--bg-surface:#292a2d;--bg-secondary:#202124;--bg-tertiary:#35363a;--bg-selected:#1a3a5c;--bg-info-soft:#1e3450;--bg-info:#2a4a6b;--bg-overlay:#000000b3;--bg-overlay-frost:#292a2db8;--bg-overlay-scrim:#000000d9;--bg-table-header:#35363a;--border-default:#3c4043;--border-strong:#5f6368;--border-brand:#5b86e5;--border-table:#3c4043;--status-info-bg:#0e2a47;--status-info-text:#4da1ff;--status-success-bg:#14331c;--status-success-text:#65d17c;--status-warning-bg:#3a2a0f;--status-warning-text:#ffb454;--status-error-bg:#3a1717;--status-error-text:#ff7373;--status-success-text-strong:#65d17c;--status-error-text-strong:#ff7373;--workbook-round-1:#7fb0f5;--workbook-round-2:#a3c8ff;--workbook-round-3:#c7deff;--status-pending-bg:#3a2f0f;--status-pending-text:#ffc53d;--status-info-solid-bg:#1a3a5c;--status-info-solid-text:#78b0ff;--status-info-solid-border:#4a90e2;--status-warning-solid-bg:#3d2e00;--status-warning-solid-text:#ffc107;--status-warning-solid-border:#e37400;--status-error-solid-bg:#3d1a1a;--status-error-solid-text:#f28b82;--status-error-solid-border:#d93025;--status-pending-solid-bg:#35363a;--status-pending-solid-text:#9aa0a6;--status-pending-solid-border:#5f6368;--shadow-modal:0 6px 16px 0 #00000047, 0 3px 6px -4px #0000005c, 0 9px 28px 8px #0003;--shadow-card:0 0 8px #0003, 0 2px 4px #0000004d;--shadow-button:0 2px 0 #0000001a;--shadow-input-focus:0 0 0 2px #78b0ff4d;--shadow-light:0 2px 8px #0000004d;--shadow-sheet-top:0 -4px 8px -4px #0000004d;--button-primary-bg:#4a90e2;--button-primary-text:#fff;--button-primary-border:#4a90e2;--button-secondary-bg:#1e3a5f;--button-secondary-text:#78b0ff;--button-secondary-border:#5b86e5;--button-secondary-bg-opacity:#1e3a5f33;--button-secondary-border-opacity:#78b0ff80;--button-default-bg:#35363a;--button-default-text:#d2d4d7;--button-default-border:#5f6368;--button-light-bg:#35363a;--button-light-text:#9aa0a6;--button-light-border:#3c4043;--button-ghost-bg:#292a2d;--button-ghost-text:#d2d4d7;--button-ghost-border:#292a2d;--button-danger-bg:#d93025;--button-danger-text:#fff;--button-danger-border:#d93025;--button-warning-bg:#e37400;--button-warning-text:#fff;--button-warning-border:#e37400;--button-disable-bg:#3c4043;--button-disable-text:#5f6368;--button-disable-border:#3c4043;--button-unselect-bg:#35363a;--button-unselect-text:#d2d4d7;--button-unselect-border:#5f6368;--button-light-disable-bg:#2d2e31;--button-light-disable-text:#5f6368;--button-light-disable-border:#3c4043;--bg_correct:#1a3a5c;--txt_correct:#78b0ff;--btn_correct:#78b0ff;--icon_correct:#78b0ff;--bg_wrong:#3d1a1a;--txt_wrong:#f28b82;--btn_wrong:#f28b82;--icon_wrong:#f28b82;--txt_warning:#ffc107;--btn_warning:#ffc107;--icon_default:#78b0ff;--bg_error:#d93025;--txt_disable:#5f6368;--bg_disable:#292a2d;--point_01:#78b0ff;--gray200:#202124;--gray300:#3c4043;--gray400:#5f6368;--gray500:#71767b;--gray600:#9aa0a6;--gray800:#d2d4d7;--gray850:#e8eaed;--chat-bg1:#4a90e2;--chat-fg1:#fff;--chat-bg2:#35363a;--chat-fg2:#d2d4d7;--hint-background:linear-gradient(155deg, #9b6fc0 0%, #5c5ac0 100%);--hint-highlight:linear-gradient(155deg, #9b6fc0 0%, #5c5ac0 180%);--pass-bg_bold:#3d2e00;--pass-txt_bold:#ffc107;--pass-border_bold:#e37400;--pass-bg-light:#3d2e00;--pass-txt-light:#ffc107;--pass-border-light:#e37400;--quiz-color:#78b0ff;--quiz-bg:#1a2a3e;--quiz-hover:#1e3450;--quiz-active:#253d5c;--quiz-border:#2a3f58;--question-color:#f5a66e;--question-bg:#2e1f14;--question-hover:#3a2818;--question-active:#4a3420;--question-border:#3d2e1f;--prospective-bg:#eee;--prospective-text:#555;--regular-student-bg:#1a3a5c;--regular-student-text:#78b0ff}