.search-result-share-img_markdown-box__Xsnev{position:relative;max-height:9600px;overflow:hidden;font-family:"Noto Serif SC",serif}.search-result-share-img_search-result-share-image-wrapper__O9ZgT{display:flex;flex-direction:column}.search-result-share-img_search-result-share-image-wrapper__O9ZgT .search-result-share-img_markdown-box__Xsnev{color:#2c2c2c}.search-result-share-img_search-result-share-image-wrapper__O9ZgT .search-result-share-img_markdown-box__Xsnev .markdown-body{font-size:28px;line-height:40px;font-weight:400}.search-result-share-img_search-result-share-image-wrapper__O9ZgT .search-result-share-img_markdown-box__Xsnev .markdown-body strong{font-weight:500}.search-result-share-img_markdown-box__Xsnev:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:120px;background:linear-gradient(180deg,hsla(0,0%,100%,0) 0,#fff);pointer-events:none;z-index:99999;display:none}.search-result-share-img_markdown-box__Xsnev.search-result-share-img_overflowing__Cwq_i:after{display:block}.search-result-share-img_search-result-share-image-wrapper__O9ZgT .search-result-share-img_title1__9USnj{font-weight:500;font-size:32px!important;line-height:38px;letter-spacing:0;color:#2c2c2c!important;margin:10px 0!important}.search-result-share-img_search-result-share-image-wrapper__O9ZgT .search-result-share-img_markdown-box__Xsnev .search-result-share-img_thinking-content__09PbX .markdown-body{font-size:24px;line-height:40px;color:rgba(44,44,44,.7);padding:0 10px}.search-result-share-img_thinking-content__09PbX{margin-bottom:10px}.search-result-share-img_answer__pAxkO{font-size:14px;line-height:22px}.search-result-share-img_subQuestion__bgqj1{border-radius:8px;padding:12px 8px 4px;gap:4px;background:#f9f9fa;font-weight:500;font-size:24px;line-height:40px;letter-spacing:0;color:#2c2c2c;margin:10px 0 15px}.search-result-share-img_subQuestionLength__Lg_tO{font-weight:300;font-size:20px;line-height:36px;letter-spacing:0;text-align:right;color:rgba(44,44,44,.7);width:100%}.search-result-share-img_logo-container__IyFLN{display:flex;justify-content:center;align-items:center;gap:16px;font-weight:500;font-size:20px;line-height:36px;letter-spacing:0;color:#2050c9}@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_AMS-Regular.a79f1c31.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_AMS-Regular.1608a09b.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_AMS-Regular.4aafdb68.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Caligraphic-Bold.ec17d132.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Caligraphic-Bold.b6770918.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Caligraphic-Bold.cce5b8ec.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Caligraphic-Regular.55fac258.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Caligraphic-Regular.dad44a7f.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Caligraphic-Regular.07ef19e7.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Fraktur-Bold.d42a5579.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Fraktur-Bold.9f256b85.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Fraktur-Bold.b18f59e1.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Fraktur-Regular.d3c882a6.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Fraktur-Regular.7c187121.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Fraktur-Regular.ed38e79f.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Bold.c3fb5ac2.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Bold.d181c465.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Bold.b74a1a8b.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-BoldItalic.6f2bb1df.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-BoldItalic.e3f82f9d.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-BoldItalic.70d8b0a5.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Italic.8916142b.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Italic.9024d815.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Italic.47373d1e.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Regular.0462f03b.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Regular.7f51fe03.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Main-Regular.b7f8fe9b.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Math-BoldItalic.572d331f.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Math-BoldItalic.f1035d8d.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Math-BoldItalic.a879cf83.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Math-Italic.f28c23ac.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Math-Italic.5295ba48.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Math-Italic.939bc644.ttf) format("truetype")}@font-face{font-family:"KaTeX_SansSerif";font-style:normal;font-weight:700;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Bold.8c5b5494.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Bold.bf59d231.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Bold.94e1e8dc.ttf) format("truetype")}@font-face{font-family:"KaTeX_SansSerif";font-style:italic;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Italic.3b1e59b3.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Italic.7c9bc82b.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Italic.b4c20c84.ttf) format("truetype")}@font-face{font-family:"KaTeX_SansSerif";font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Regular.ba21ed5f.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Regular.74048478.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_SansSerif-Regular.d4d7ba48.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Script-Regular.03e9641d.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Script-Regular.07505710.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Script-Regular.fe9cbbe1.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size1-Regular.eae34984.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size1-Regular.e1e279cb.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size1-Regular.fabc004a.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size2-Regular.5916a24f.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size2-Regular.57727022.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size2-Regular.d6b476ec.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size3-Regular.b4230e7e.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size3-Regular.9acaf01c.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size3-Regular.a144ef58.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size4-Regular.10d95fd3.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size4-Regular.7a996c9d.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Size4-Regular.fbccdabe.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(https://static-1.metaso.cn/_next/static/media/KaTeX_Typewriter-Regular.a8709e36.woff2) format("woff2"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Typewriter-Regular.6258592b.woff) format("woff"),url(https://static-1.metaso.cn/_next/static/media/KaTeX_Typewriter-Regular.d97aaf4a.ttf) format("truetype")}.katex{font:normal 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:"0.16.18"}.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}.pdf_pdf-thumb-view__DkdMr{width:125px;height:160px;display:flex;flex-flow:column;justify-content:center;align-items:center;margin:0 auto;cursor:pointer;border:4px solid transparent}.pdf_pdf-thumb-view__DkdMr.pdf_active__aGhPe{border-color:#b2ddff}.pdf_pdf-thumb-view__DkdMr.pdf_thumb-h5__XhpWv{width:89px;height:126px;flex:1;margin:3px;min-height:50px;border:1px solid var(--border-color2)}.pdf_pdf-thumb-view__DkdMr.pdf_thumb-h5__XhpWv.pdf_active__aGhPe{border-color:#b2ddff;border-width:4px;margin:0}.pdf_tab__X2NYx[class]{font-family:Noto Sans SC;font-size:12px;padding:0;min-width:70px;line-height:18px;text-align:left;color:var(--black)}.pdf_tab__X2NYx[class][class*=Mui-selected]{font-weight:700;color:var(--black)}.pdf_thumb-view-container__ENsFl{flex:1;overflow-y:auto;width:100%;background-color:var(--border-color);border-right:1px solid var(--border-color2)}.pdf_thumb-view-container__ENsFl::-webkit-scrollbar{--bar-width:12px;width:var(--bar-width)!important;height:var(--bar-width)!important;background-color:var(--scrollbar-bg)}.pdf_thumb-view-container__ENsFl::-webkit-scrollbar-thumb{border:3px solid transparent;border-radius:8px;background-clip:content-box;background-color:var(--scrollbar-color)}.pdf_outline-container__5dX0f{padding-top:10px;display:flex;flex-direction:column;gap:10px;flex:1;overflow:auto;width:100%;background-color:var(--border-color);border-right:1px solid var(--border-color2)}.pdf_outline-container__5dX0f::-webkit-scrollbar{--bar-width:12px;width:var(--bar-width)!important;height:var(--bar-width)!important;background-color:var(--scrollbar-bg)}.pdf_outline-container__5dX0f::-webkit-scrollbar-thumb{border:3px solid transparent;border-radius:8px;background-clip:content-box;background-color:var(--scrollbar-color)}.pdf_thumb-header__Uh_Rk{background-color:var(--filed-card-bg,#f9fafb);border:1px solid var(--border-color2);border-left:0;border-top:0;height:40px}.pdf_menu-item-content__Zph_E{margin-left:10px;font-size:14px;font-family:Noto Sans SC;flex:1;overflow:hidden;text-overflow:ellipsis}.pdf_menu-item__fIBHz[class]{padding:4px 2px;min-height:unset;justify-content:space-between}.pdf_menu-item__fIBHz[class].pdf_active__aGhPe{color:#1570ef}.pdf_drag-mode__eYZ7g,.pdf_drag-mode__eYZ7g *{cursor:grab!important;user-select:none}.pdf_drag-mode__eYZ7g.pdf_mouse-down__eY40y{cursor:grabbing!important}.pdf_drag-mode__eYZ7g.pdf_mouse-down__eY40y *{cursor:grabbing!important;user-select:none}.pdf_field-name__1tSv2{width:60px}.pdf_url-input___Pm8q{font-family:Arial;font-size:13px;font-weight:400;text-align:left}.pdf_pdf-banner__IyDAB{font-family:Noto Sans SC;font-size:14px;font-weight:400;line-height:24px;text-align:left;color:var(--tip-label-color,#475467);z-index:0}.pdf_pdf-banner__IyDAB .pdf_img-container__89L4O{position:relative;height:140px;overflow:hidden;border-radius:5px;box-shadow:0 1px 2px 0 rgba(16,24,40,.16)}.pdf_pdf-banner__IyDAB .pdf_img-container__89L4O img{height:140px;cursor:pointer;-webkit-user-drag:none;object-fit:cover;transition:transform .2s}.pdf_pdf-banner__IyDAB .pdf_img-container__89L4O img:hover{transform:scale(1.1)}.pdf_pdf-banner__IyDAB .pdf_pdf-name__DUil3{display:-webkit-box;text-overflow:ellipsis;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.pdf_swiper-button__FEyhz{border-radius:28px;background-color:#eaecf0}.pdf_swiper-button__FEyhz:hover{background-color:#eaecf0!important}.pdf_menu-icon__BFGwN{display:flex;align-items:center;width:20px;height:20px;justify-content:center}.pdf_doc-info__MoXkn{gap:16px}.pdf_doc-info__MoXkn>div{line-height:24px;margin:0!important;align-items:baseline}.pdf_doc-info__MoXkn>div:last-child{margin-top:-6px!important}.pdf_field-value__VXR3Y{max-width:400px;overflow:hidden;text-overflow:ellipsis;width:400px;color:var(--send-btn-bg-hover)}.pdf_field-value-url__81A_H{word-break:break-all;text-overflow:ellipsis;overflow:hidden;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical}.pdf_url-copy-btn__RZ_2c{width:70px;display:flex;justify-content:space-around;align-items:center;cursor:pointer}.pdf_progress-bottom__r1XSr[class]{color:#f2f4f7}.pdf_progress-top__7k8Dz[class]{color:#175cd3;position:absolute;left:0}.pdf_h5-thumbs-container__z9BSi{padding:10px;--row-count:3;--thumb-item-min-h-gap:10px;--thumb-item-min-v-gap:10px;justify-content:flex-start;display:flex;flex-wrap:wrap;margin-left:calc(-1*var(--thumb-item-min-h-gap));margin-top:calc(-1*var(--thumb-item-min-v-gap))}.pdf_h5-thumb-item__sYREG{margin-left:var(--thumb-item-min-h-gap);margin-top:var(--thumb-item-min-v-gap);width:calc(100%/var(--row-count) - var(--thumb-item-min-h-gap))}@media screen and (min-width:500px){.pdf_h5-thumb-item__sYREG{width:auto}}.pdf_tag__89Vqz{font-family:Noto Sans SC;font-size:10px;font-weight:400;line-height:16px;text-align:center;padding:2px 8px;border-radius:16px;background-color:var(--filed-card-bg,#f9fafb);max-width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pdf_page-float-btn__43Luh[class][class]{box-sizing:border-box;height:40px;width:40px;border:1px solid #eaecf0;border-right-width:0;background-color:var(--gray);color:var(--black);font-size:16px;font-weight:700;line-height:24px;text-align:center;border-radius:50px 0 0 50px;min-width:24px;padding:10px;z-index:200}.pdf_pdf-menu-title__EmKqo{font-size:16px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}.pdf_pdf-menu-title__EmKqo,.pdf_pdf-title__TlOKt[class]{font-weight:700;line-height:24px;overflow:hidden;text-overflow:ellipsis}.pdf_pdf-title__TlOKt[class]{font-size:12px;color:var(--black2c);text-align:center;white-space:nowrap}.pdf_h5-tag__VmqH5{vertical-align:middle;border:1px solid var(--border-color2);padding:2px 6px;color:var(--black3);max-width:100%;font-size:12px;border-radius:100px;background-color:var(--bg-white);display:inline-block;box-sizing:border-box;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.pdf_detail-caption__eCrLI{font-weight:700;color:var(--black)}.pdf_detail-content__Yh5mk{margin-left:auto;color:var(--black3);font-size:14px}.pdf_h5-pdf-markdown-page__lvm4R .pdf_pdf-page__fdh7p{padding:10px;min-height:100vh;margin:10px;box-shadow:0 4px 10px 0 rgba(0,0,0,.08)}.pdf_h5-pdf-markdown-page__lvm4R .pdf_pdf-page__fdh7p [class*=markdown-body]{overflow:hidden}.pdf_pdf-markdown-page__JVA3r{width:100%;height:100%;overflow-y:auto;position:absolute;overscroll-behavior:none;top:0}.pdf_pdf-markdown-page__JVA3r .pdf_pdf-page__fdh7p{padding:10px;min-height:100vh;margin:10px;box-shadow:0 4px 10px 0 rgba(0,0,0,.08)}.pdf_pdf-markdown-page__JVA3r .pdf_pdf-page__fdh7p [class*=markdown-body]{overflow:hidden}.pdf_markdown-container__p19b3{min-height:100vh}.pdf_markdown-container__p19b3 [class*=markdown-body]{color:var(--color,inherit)}.pdf_markdown-container__p19b3 [class*=markdown-body] h1{font-size:var(--title-font-size,20px)}.pdf_markdown-container__p19b3 [class*=markdown-body] h2{font-size:var(--subtitle-font-size,18px)}.pdf_markdown-container__p19b3 [class*=markdown-body] a,.pdf_markdown-container__p19b3 [class*=markdown-body] div,.pdf_markdown-container__p19b3 [class*=markdown-body] li,.pdf_markdown-container__p19b3 [class*=markdown-body] p,.pdf_markdown-container__p19b3 [class*=markdown-body] span,.pdf_markdown-container__p19b3 [class*=markdown-body] strong{font-size:var(--content-font-size)}.pdf_markdown-container__p19b3 [class*=markdown-body] h3{font-size:var(--content-font-size,16px)}.pdf_markdown-container__p19b3 [class*=markdown-body] h4,.pdf_markdown-container__p19b3 [class*=markdown-body] h5,.pdf_markdown-container__p19b3 [class*=markdown-body] h6{font-size:14px}.pdf_active-btn__tp_Yz{background-color:var(--white-gray)}.pdf_markdown-lang__VWQoJ{opacity:.55}.pdf_markdown-lang__VWQoJ h1,.pdf_markdown-lang__VWQoJ h2,.pdf_markdown-lang__VWQoJ h3,.pdf_markdown-lang__VWQoJ h4,.pdf_markdown-lang__VWQoJ h5{font-weight:500!important}.pdf_markdown-lang__VWQoJ a,.pdf_markdown-lang__VWQoJ div,.pdf_markdown-lang__VWQoJ li,.pdf_markdown-lang__VWQoJ p,.pdf_markdown-lang__VWQoJ span,.pdf_markdown-lang__VWQoJ strong{font-weight:300!important}.pdf_content-group__tz7Pu{display:flex;flex-wrap:wrap;align-items:center;column-gap:20px}.pdf_markdown-page-content__vwolm{width:var(--page-width);margin:0 auto;height:100%;padding:10px 0 44px;box-sizing:border-box;position:relative;overflow:hidden}.pdf_markdown-page-content__vwolm [class*=markdown-body]{overflow-x:hidden;width:100%;height:100%;column-fill:auto;overflow-y:hidden;color:var(--color);font-family:Noto Sans SC;font-weight:400;line-height:1.9;column-width:var(--column-width);hyphens:auto;hyphenate-limit-chars:1 1 1;column-gap:var(--column-gap)}.pdf_markdown-page-content__vwolm [class*=markdown-body] .markdown-page{border-bottom:.01px solid transparent}.pdf_markdown-page-content__vwolm [class*=markdown-body] h1,.pdf_markdown-page-content__vwolm [class*=markdown-body] h2,.pdf_markdown-page-content__vwolm [class*=markdown-body] h3,.pdf_markdown-page-content__vwolm [class*=markdown-body] h4,.pdf_markdown-page-content__vwolm [class*=markdown-body] h5,.pdf_markdown-page-content__vwolm [class*=markdown-body] h6{margin-top:0;margin-bottom:16px;padding:0}.pdf_markdown-page-content__vwolm [class*=markdown-body] h1{font-size:var(--title-font-size)}.pdf_markdown-page-content__vwolm [class*=markdown-body] h2{font-size:var(--subtitle-font-size)}.pdf_markdown-page-content__vwolm [class*=markdown-body] h3{font-size:max(var(--subtitle-font-size) - 2px,var(--content-font-size))}.pdf_markdown-page-content__vwolm [class*=markdown-body] h4{font-size:max(var(--subtitle-font-size) - 4px,var(--content-font-size))}.pdf_markdown-page-content__vwolm [class*=markdown-body] h5{font-size:max(var(--subtitle-font-size) - 6px,var(--content-font-size))}.pdf_markdown-page-content__vwolm [class*=markdown-body] a,.pdf_markdown-page-content__vwolm [class*=markdown-body] div,.pdf_markdown-page-content__vwolm [class*=markdown-body] li,.pdf_markdown-page-content__vwolm [class*=markdown-body] p,.pdf_markdown-page-content__vwolm [class*=markdown-body] span,.pdf_markdown-page-content__vwolm [class*=markdown-body] strong{font-size:var(--content-font-size)}.pdf_markdown-page-content__vwolm [class*=markdown-body] ::selection{background-color:rgba(127,202,242,.3)}.pdf_markdown-page-content__vwolm [class*=markdown-body] table{overflow:unset;word-break:break-all}.pdf_markdown-page-content__vwolm [class*=markdown-body] img{max-height:500px}.pdf_markdown-page-content__vwolm [class*=markdown-body] hr{height:1px}.pdf_markdown-page-content__vwolm [class*=markdown-body] ol,.pdf_markdown-page-content__vwolm [class*=markdown-body] ul{padding-inline-start:2.3em}.pdf_markdown-page-content__vwolm .pdf_img-container__89L4O{text-align:center;cursor:pointer}.pdf_color-btn__LsZU_{cursor:pointer;height:12px;width:12px;position:relative;border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden}.pdf_color-circle__jh79h{height:22px;width:22px;border-radius:16px;border:1px solid var(--border-color);cursor:pointer}.pdf_color-circle__jh79h.pdf_active__aGhPe{border:1px solid #1570ef}.pdf_font-circle__xGFce{width:38px;height:24px;border-radius:12px;display:flex;align-items:center;cursor:pointer;justify-content:center;border:1px solid transparent;background-color:var(--border-color)}.pdf_font-circle__xGFce.pdf_active__aGhPe{background-color:var(--gray);border:1px solid #1570ef}.pdf_reading-btn__ak_Ng{border-radius:8px;border:1px solid var(--black3);padding:6px 12px;font-family:Noto Sans SC;font-size:16px;font-weight:400;line-height:18px;margin-left:10px!important;color:var(--black3);cursor:pointer}.pdf_reading-btn__ak_Ng:hover{background-color:rgba(21,112,239,.102);color:#2c70e4;border-color:transparent}.dark .pdf_reading-btn__ak_Ng:hover{background-color:rgba(21,112,239,.2)}.pdf_reading-btn__ak_Ng.pdf_active__aGhPe{background-color:rgba(21,112,239,.102);color:#2c70e4;border-color:transparent}.dark .pdf_reading-btn__ak_Ng.pdf_active__aGhPe{background-color:rgba(21,112,239,.2)}.pdf_reading-btn__ak_Ng.pdf_active__aGhPe:hover{color:var(--black3);border-color:var(--black3);background-color:var(--gray)}.pdf_lesson-btn__RewsR{border-radius:8px;border:1px solid var(--black3);padding:6px 12px;font-family:Noto Sans SC;font-size:16px;font-weight:400;width:62px;line-height:18px;margin-left:10px!important;color:var(--black3);cursor:pointer;position:relative}.pdf_lesson-btn__RewsR:hover{background-color:rgba(21,112,239,.102);color:#2c70e4;border-color:transparent}.dark .pdf_lesson-btn__RewsR:hover{background-color:rgba(21,112,239,.2)}.pdf_lesson-btn__RewsR:hover .pdf_lesson-btn-right__HxXMX{display:flex}.pdf_lesson-btn__RewsR.pdf_active__aGhPe{background-color:rgba(21,112,239,.102);color:#2c70e4;border-color:transparent}.dark .pdf_lesson-btn__RewsR.pdf_active__aGhPe{background-color:rgba(21,112,239,.2)}.pdf_lesson-btn__RewsR.pdf_active__aGhPe:hover{color:var(--black3);border-color:var(--black3);background-color:var(--gray)}.pdf_lesson-btn-right__HxXMX{position:absolute;right:0;border-radius:0 12px 12px 0;display:none;padding:6px 2px;font-family:Noto Sans SC;font-size:16px;font-weight:400;line-height:18px;height:18px;color:var(--black3);cursor:pointer;border-left:1px solid var(--black3)}.pdf_lesson-btn-right__HxXMX.pdf_active__aGhPe,.pdf_lesson-btn-right__HxXMX:hover{background-color:rgba(21,112,239,.102);color:#2c70e4}.pdf_lesson-btn-right__HxXMX.pdf_active__aGhPe:hover{color:var(--black3);border-color:var(--black3);background-color:var(--gray)}.pdf_pdf-to-ppt__h0pK_{display:none;opacity:.8;position:absolute;right:2px;bottom:2px;cursor:pointer}.pdf_img-container__89L4O:hover .pdf_pdf-to-ppt__h0pK_{display:block}.meta-ordered-list_meta-list__jmlEn{color:var(--Gary-Group1-500,#667085);font-size:14px;font-style:normal;font-weight:400;line-height:22px;display:flex;flex-direction:column}.meta-ordered-list_meta-list__jmlEn .meta-ordered-list_list-item__F_f3v{display:flex;align-items:flex-start;margin-bottom:11px}.meta-ordered-list_meta-list__jmlEn .meta-ordered-list_list-item__F_f3v a{color:var(--Gary-Group1-500,#667085);font-size:14px;font-style:normal;font-weight:400;line-height:22px;word-break:break-word;text-decoration:unset;width:100%}.meta-ordered-list_meta-list__jmlEn .meta-ordered-list_list-item__F_f3v a:hover{color:var(--black);text-decoration:underline}.meta-ordered-list_meta-list__jmlEn .meta-ordered-list_list-item__F_f3v.meta-ordered-list_active__06SLX{background-color:rgba(81,191,255,.1)}.meta-ordered-list_item-index-wrapper__laCQZ{flex:none;width:2em;margin-right:10px}.meta-ordered-list_item-index__QgxW_{display:inline-block;width:22px;height:22px;transform:scale(.7);box-sizing:border-box;border-radius:11px;background-color:var(--white-gray);text-align:center;line-height:22px;font-size:12px;color:var(--black)}.meta-ordered-list_book-open-svg__DW6zG{stroke:var(--export-menu-color);width:16px;height:14px}.meta-ordered-list_book-open-svg__DW6zG:hover{stroke:var(--black)}.meta-ordered-list_pod-ref-container__Jj_v1{content-visibility:auto}.client-desktop .meta-ordered-list_pod-ref-container__Jj_v1{border-radius:5px;border:1px solid var(--border-color2);padding:15px 20px;margin-bottom:15px}.client-mobile .meta-ordered-list_pod-ref-container__Jj_v1{padding:15px 0;border-top:1px solid var(--border-color2)}.client-mobile .meta-ordered-list_pod-ref-container__Jj_v1:first-child{border-top:none}.thinking-collapse_title__y_7ID{background:linear-gradient(274.39deg,#b4caed 52.51%,#1570ef 58.69%,#b4caed 63.26%) no-repeat 0 0;background-size:325% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:14px;display:inline-block;font-weight:500;animation:thinking-collapse_slideShine__OHph0 2s linear infinite;margin-bottom:16px;cursor:pointer}.thinking-collapse_title__y_7ID.thinking-collapse_finished__R9yqD{animation:none;-webkit-text-fill-color:#1570ef}.thinking-collapse_title__y_7ID.thinking-collapse_collapse__irJsW{-webkit-text-fill-color:#9da7b6}.thinking-collapse_title__y_7ID.thinking-collapse_collapse__irJsW:hover{-webkit-text-fill-color:var(--content-op-color)}.thinking-collapse_content__1phn8 [class*=markdown-body] :not(span){color:var(--content-op-color);font-size:14px}@keyframes thinking-collapse_slideShine__OHph0{0%{background-position:100% 100%}to{background-position:0 0}}.search-right-box-kits_moreActionMenu__klp3Z{display:flex;gap:4px;flex-direction:column;font-weight:400;font-size:13px;line-height:22px;color:var(--black);padding:5px 2px;border-radius:4px}.dark .search-right-box-kits_moreActionMenu__klp3Z{background-color:#101828;border:1px solid #475467}@media(prefers-color-scheme:dark){.search-right-box-kits_moreActionMenu__klp3Z{background-color:#101828;border:1px solid #475467}}.light .search-right-box-kits_moreActionMenu__klp3Z{background-color:#fff;border:1px solid #f2f4f7}@media(prefers-color-scheme:light){.search-right-box-kits_moreActionMenu__klp3Z{background-color:#fff;border:1px solid #f2f4f7}}.search-right-box-kits_moreActionMenu__klp3Z .search-right-box-kits_moreActionMenuItem__FfzaC{display:flex;justify-content:center;flex-direction:row;border-radius:2px;padding:5px 18px;cursor:pointer;width:80px}.dark .search-right-box-kits_moreActionMenu__klp3Z .search-right-box-kits_moreActionMenuItem__FfzaC:hover{background-color:#1b2332}@media(prefers-color-scheme:dark){.search-right-box-kits_moreActionMenu__klp3Z .search-right-box-kits_moreActionMenuItem__FfzaC:hover{background-color:#1b2332}}.light .search-right-box-kits_moreActionMenu__klp3Z .search-right-box-kits_moreActionMenuItem__FfzaC:hover{background-color:#edeef0}@media(prefers-color-scheme:light){.search-right-box-kits_moreActionMenu__klp3Z .search-right-box-kits_moreActionMenuItem__FfzaC:hover{background-color:#edeef0}}.search-right-box-kits_contentContainer__adSX1:hover .descriptionFloatToolButton{display:flex}.search-right-box-kits_contentContainer__adSX1:hover .deleteExtraBoxButton svg{margin-top:2px}.search-right-box-kits_contentContainer__adSX1:hover .search-right-box-kits_tabLine__Lw49t{background-color:#e2e2e2}.search-right-box-kits_contentContainer__adSX1 .search-right-box-kits_tabLine__Lw49t{background-color:#eaecf0;margin-bottom:10px;margin-top:0}.search-right-box-kits_cardTab__Qp4HF[class]{font-size:12px;font-weight:400;line-height:24px;color:var(--tab-color,#475467);min-width:auto;min-height:unset;padding:2px 0}.search-right-box-kits_cardTabActive__O2iMe[class]{font-weight:700}.dark .search-right-box-kits_search-origin-box__AhBga{--box-text-color:#c9d1d9;--box-source-text-color:#667085;--box-hover-bg:#1b2332;--box-active-bg:#1c2433;--box-active-hover-bg:#212837;--box-b-color:rgba(71,84,103,.502);--box-active-b-color:#475467}@media(prefers-color-scheme:dark){.search-right-box-kits_search-origin-box__AhBga{--box-text-color:#c9d1d9;--box-source-text-color:#667085;--box-hover-bg:#1b2332;--box-active-bg:#1c2433;--box-active-hover-bg:#212837;--box-b-color:rgba(71,84,103,.502);--box-active-b-color:#475467}}.light .search-right-box-kits_search-origin-box__AhBga{--box-text-color:#202020;--box-source-text-color:#667085;--box-hover-bg:#f9f9f8;--box-active-bg:#f9f9f8;--box-active-hover-bg:#edeef0;--box-b-color:#f3f3f3;--box-active-b-color:#eeedec}@media(prefers-color-scheme:light){.search-right-box-kits_search-origin-box__AhBga{--box-text-color:#202020;--box-source-text-color:#667085;--box-hover-bg:#f9f9f8;--box-active-bg:#f9f9f8;--box-active-hover-bg:#edeef0;--box-b-color:#f3f3f3;--box-active-b-color:#eeedec}}.search-right-box-kits_podcastToTag__EPPZw{border:1px solid #fedf89;background-color:#fffaeb;border-radius:18px;padding:2px 10px;font-size:10px;font-weight:700;color:#b54708}.search-right-box-kits_qa-pdf-card-play-container__UVElQ{min-width:34px;height:14px;border-radius:10px;gap:2px;display:flex;justify-content:center;align-items:center;background-color:#ebedef;padding:0 6px 0 4px;cursor:pointer}.search-right-box-kits_line__0yC0M{height:8px;width:.5px;background-color:#667085;margin:0 4px}.MetaWebpageSearchResult_linkContainer__9LrkL{gap:24px}.MetaWebpageSearchResult_linkContainer__9LrkL.MetaWebpageSearchResult_isH5__jYEK2{gap:5px;background-color:#f2f4f7}.MetaWebpageSearchResult_linkContainer__9LrkL.MetaWebpageSearchResult_isH5__jYEK2 .MetaWebpageSearchResult_linkItem__iw2Ig{padding:10px 20px;background:#fff;gap:12px}.MetaWebpageSearchResult_linkContainer__9LrkL.MetaWebpageSearchResult_isH5__jYEK2 .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkTitle__6n4b_{font-size:18px;line-height:26px}.MetaWebpageSearchResult_linkContainer__9LrkL.MetaWebpageSearchResult_isH5__jYEK2 .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkSnippet__zQ_UM{font-size:14px;color:#475467}.MetaWebpageSearchResult_linkContainer__9LrkL.MetaWebpageSearchResult_isH5__jYEK2 .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkOrigin__mSFRB{font-size:12px}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig{color:#000}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_highlight__s6HDl{color:#f73232}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkTitle__6n4b_{font-size:22px;font-weight:500;line-height:28px;text-align:left;color:#2340b3}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkTitle__6n4b_:hover{color:#315efb;text-decoration-color:#2340b3;text-decoration:underline}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkTitle__6n4b_:hover .MetaWebpageSearchResult_highlight__s6HDl{color:#f73232;text-decoration-color:#f73232;text-decoration:underline}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkTitle__6n4b_:active{color:#f73232}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkTitle__6n4b_.MetaWebpageSearchResult_clicked__4Z52f{color:#771daa}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkSnippet__zQ_UM{font-size:14px;font-weight:400;line-height:22px;text-align:left;color:#333}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkSnippet__zQ_UM .MetaWebpageSearchResult_linkDate__zubz6{font-size:14px;font-weight:400;line-height:22px;text-align:left;color:#9195a3;vertical-align:middle}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkHref__p_Dk_ .MetaWebpageSearchResult_linkOrigin__mSFRB{font-size:15px;font-weight:400;line-height:22px;letter-spacing:-.4079999924px;text-align:center;color:#333}.MetaWebpageSearchResult_linkContainer__9LrkL .MetaWebpageSearchResult_linkItem__iw2Ig .MetaWebpageSearchResult_linkHref__p_Dk_ .MetaWebpageSearchResult_linkPath__OCRPU{margin-left:6px;font-size:12px;font-weight:400;line-height:22px;text-align:center;color:#828282}.MetaWebpageSearchResult_truncate__KjDR7{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.h5-ppt-reading_ppt-setting-info__uId6u{border-radius:10px;background:rgba(53,54,59,.502);display:flex;justify-content:center;align-items:center;flex-direction:column;gap:7px;font-family:Noto Sans SC;font-weight:400;font-size:14px;line-height:17.22px;letter-spacing:0;color:hsla(0,0%,100%,.8)}.h5-ppt-reading_ppt-setting-info__uId6u>div{display:flex;justify-content:space-between;align-items:center;width:100%}.h5-ppt-reading_ppt-doc-info__9qZPO{margin-top:20px;border-radius:10px;background:rgba(53,54,59,.502);display:flex;flex-direction:column;color:hsla(0,0%,100%,.8)}.h5-ppt-reading_ppt-doc-fm-title__sEFvm svg{width:31px;height:43px;border:.22px solid rgba(208,213,221,.502);border-radius:1px;min-width:31px}.h5-ppt-reading_ppt-doc-title__75Dc5{font-family:Noto Sans SC;font-weight:700;font-size:15.31px;line-height:21.05px;letter-spacing:0;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.h5-ppt-reading_ppt-doc-summary__77R60{font-family:Noto Sans SC;font-weight:400;font-size:11.48px;line-height:17.22px;letter-spacing:0}