@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(./KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(./KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(./KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(./KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(./KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(./KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(./KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(./KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(./KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(./KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(./KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(./KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(./KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(./KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(./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(./KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(./KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(./KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(./KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(./KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(./KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(./KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(./KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(./KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(./KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(./KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(./KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(./KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(./KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(./KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(./KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(./KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(./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(./KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(./KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(./KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(./KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(./KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(./KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(./KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(./KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(./KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(./KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(./KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(./KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(./KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(./KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(./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(./KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(./KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(./KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(./KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(./KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(./KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(./KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(./KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(./KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(./KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(./KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,math,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .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 .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;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 .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .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 .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 .reflectbox{display:inline-block;transform:scaleX(-1)}.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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}/*!
 * Vditor v4.0.0 - A markdown editor written in TypeScript.
 *
 * MIT License
 *
 * Copyright (c) 2018-present B3log 开源, b3log.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */.vditor{--border-color: #d1d5da;--second-color: rgba(88, 96, 105, .36);--panel-background-color: #fff;--panel-shadow: 0 1px 2px rgba(0, 0, 0, .2);--toolbar-background-color: #f6f8fa;--toolbar-icon-color: #586069;--toolbar-icon-hover-color: #4285f4;--toolbar-height: 35px;--toolbar-divider-margin-top: 8px;--textarea-background-color: #fafbfc;--textarea-text-color: #24292e;--resize-icon-color: var(--toolbar-icon-color);--resize-background-color: var(--toolbar-background-color);--resize-hover-icon-color: var(--panel-background-color);--resize-hover-background-color: var(--toolbar-icon-hover-color);--count-background-color: rgba(27, 31, 35, .05);--heading-border-color: #eaecef;--blockquote-color: #6a737d;--callout-note-color: #0969da;--callout-note-background-color: rgba(9, 105, 218, .08);--callout-tip-color: #1a7f37;--callout-tip-background-color: rgba(26, 127, 55, .08);--callout-important-color: #8250df;--callout-important-background-color: rgba(130, 80, 223, .08);--callout-warning-color: #9a6700;--callout-warning-background-color: rgba(154, 103, 0, .08);--callout-caution-color: #cf222e;--callout-caution-background-color: rgba(207, 34, 46, .08);--ir-heading-color: #660e7a;--ir-title-color: #808080;--ir-bi-color: #0033b3;--ir-link-color: #008000;--ir-bracket-color: #0000ff;--ir-paren-color: #008000}.vditor--dark{--border-color: #141414;--second-color: rgba(185, 185, 185, .36);--panel-background-color: #24292e;--panel-shadow: 0 1px 2px rgba(255, 255, 255, .2);--toolbar-background-color: #1d2125;--toolbar-icon-color: #b9b9b9;--toolbar-icon-hover-color: #fff;--textarea-background-color: #2f363d;--textarea-text-color: #d1d5da;--resize-icon-color: var(--border-color);--resize-background-color: var(--second-color);--resize-hover-icon-color: var(--toolbar-icon-hover-color);--resize-hover-background-color: rgba(185, 185, 185, .86);--count-background-color: rgba(66, 133, 244, .36);--heading-border-color: var(--textarea-text-color);--blockquote-color: var(--toolbar-icon-color);--callout-note-color: #58a6ff;--callout-note-background-color: rgba(56, 139, 253, .15);--callout-tip-color: #3fb950;--callout-tip-background-color: rgba(46, 160, 67, .15);--callout-important-color: #a371f7;--callout-important-background-color: rgba(163, 113, 247, .15);--callout-warning-color: #d29922;--callout-warning-background-color: rgba(187, 128, 9, .15);--callout-caution-color: #f85149;--callout-caution-background-color: rgba(248, 81, 73, .15);--ir-heading-color: #9876aa;--ir-title-color: #808080;--ir-bi-color: #cc7832;--ir-link-color: #ffc66d;--ir-bracket-color: #287bde;--ir-paren-color: #6a8759}@keyframes tooltip-appear{0%{opacity:0}to{opacity:1}}.vditor-tooltipped{position:relative;cursor:pointer}.vditor-tooltipped:after{position:absolute;z-index:1000000;display:none;padding:5px 8px;font-size:11px;font-weight:400;-webkit-font-smoothing:subpixel-antialiased;color:#fff;text-align:center;text-decoration:none;text-shadow:none;text-transform:none;letter-spacing:normal;word-wrap:break-word;white-space:pre;pointer-events:none;content:attr(aria-label);background:#3b3e43;border-radius:3px;line-height:16px;opacity:0}.vditor-tooltipped:before{position:absolute;z-index:1000001;display:none;width:0;height:0;color:#3b3e43;pointer-events:none;content:"";border:5px solid transparent;opacity:0}.vditor-tooltipped--hover:before,.vditor-tooltipped--hover:after,.vditor-tooltipped:hover:before,.vditor-tooltipped:hover:after,.vditor-tooltipped:active:before,.vditor-tooltipped:active:after,.vditor-tooltipped:focus:before,.vditor-tooltipped:focus:after{display:inline-block;text-decoration:none;animation-name:tooltip-appear;animation-duration:.15s;animation-fill-mode:forwards;animation-timing-function:ease-in}.vditor-tooltipped__s:after,.vditor-tooltipped__se:after,.vditor-tooltipped__sw:after{top:100%;right:50%;margin-top:5px}.vditor-tooltipped__s:before,.vditor-tooltipped__se:before,.vditor-tooltipped__sw:before{top:auto;right:50%;bottom:-5px;margin-right:-5px;border-bottom-color:#3b3e43}.vditor-tooltipped__se:after{right:auto;left:50%;margin-left:-15px}.vditor-tooltipped__sw:after{margin-right:-15px}.vditor-tooltipped__n:after,.vditor-tooltipped__ne:after,.vditor-tooltipped__nw:after{right:50%;bottom:100%;margin-bottom:5px}.vditor-tooltipped__n:before,.vditor-tooltipped__ne:before,.vditor-tooltipped__nw:before{top:-5px;right:50%;bottom:auto;margin-right:-5px;border-top-color:#3b3e43}.vditor-tooltipped__ne:after{right:auto;left:50%;margin-left:-15px}.vditor-tooltipped__nw:after{margin-right:-15px}.vditor-tooltipped__s:after,.vditor-tooltipped__n:after{transform:translate(50%)}.vditor-tooltipped__w:after{right:100%;bottom:50%;margin-right:5px;transform:translateY(50%)}.vditor-tooltipped__w:before{top:50%;bottom:50%;left:-5px;margin-top:-5px;border-left-color:#3b3e43}.vditor-tooltipped__e:after{bottom:50%;left:100%;margin-left:5px;transform:translateY(50%)}.vditor-tooltipped__e:before{top:50%;right:-5px;bottom:50%;margin-top:-5px;border-right-color:#3b3e43}@media screen and (max-width: 520px){.vditor-tooltipped:before,.vditor-tooltipped:after{content:none}}@keyframes scale-in{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.vditor-panel{background-color:var(--panel-background-color);position:absolute;box-shadow:var(--panel-shadow);border-radius:3px;padding:5px;z-index:3;font-size:14px;display:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;max-width:320px;min-width:80px;animation-duration:.15s;animation-name:scale-in;animation-timing-function:cubic-bezier(.2,0,.13,1.5);color:var(--toolbar-icon-color)}.vditor-panel--none{padding:0;animation:none;min-width:auto;max-width:none;white-space:nowrap;opacity:.86}.vditor-panel--arrow:before{position:absolute;width:0;height:0;pointer-events:none;content:" ";border:7px solid transparent;top:-14px;left:5px;border-bottom-color:var(--panel-background-color)}.vditor-panel--left{right:0}.vditor-panel--left.vditor-panel--arrow:before{right:5px;left:auto}.vditor-input{border:0;padding:3px 5px;background-color:var(--panel-background-color);font-size:12px;color:var(--textarea-text-color)}.vditor-input:focus{background-color:var(--toolbar-background-color);outline:none}.vditor-icon{color:var(--toolbar-icon-color);cursor:pointer;float:left;padding:4px 5px;height:21px;width:23px;background-color:transparent;border:0;box-sizing:border-box}.vditor-icon:hover,.vditor-icon--current{color:var(--toolbar-icon-hover-color);background-color:transparent}.vditor-icon:focus{outline:none}.vditor-icon svg{height:13px!important;width:13px!important;float:left;fill:currentColor;pointer-events:none}.vditor-toolbar{background-color:var(--toolbar-background-color);border-bottom:1px solid var(--border-color);padding:0 5px;line-height:1}.vditor-toolbar--pin{position:sticky;top:0;z-index:1}.vditor-toolbar--hide{transition:all .15s ease-in-out;height:5px;overflow:hidden}.vditor-toolbar--hide:hover{background-color:var(--toolbar-background-color);height:auto;overflow:visible}.vditor-toolbar__item{float:left;position:relative}.vditor-toolbar__item .vditor-tooltipped{color:var(--toolbar-icon-color);border:0;padding:10px 5px;background-color:transparent;height:var(--toolbar-height);width:25px;box-sizing:border-box;font-size:0}.vditor-toolbar__item .vditor-tooltipped:focus{outline:none}.vditor-toolbar__item .vditor-tooltipped:focus{cursor:pointer;color:var(--toolbar-icon-hover-color)}.vditor-toolbar__item svg{fill:currentColor;display:inline-block;stroke-width:0;stroke:currentColor;width:15px;height:15px}.vditor-toolbar__item input{position:absolute;width:25px;height:var(--toolbar-height);top:0;left:0;cursor:pointer;opacity:.001;overflow:hidden}.vditor-toolbar__divider{float:left;height:calc(var(--toolbar-height) - (var(--toolbar-divider-margin-top) * 2));border-left:1px solid var(--second-color);margin:var(--toolbar-divider-margin-top) 8px}.vditor-toolbar__br{width:100%;padding:0!important;height:0!important}.vditor-menu--current{color:var(--toolbar-icon-hover-color)!important}.vditor-menu--disabled{color:var(--second-color)!important;cursor:not-allowed!important}.vditor-emojis{display:inline-block;overflow:auto}.vditor-emojis::-webkit-scrollbar{display:none}.vditor-emojis__tip{flex:1;min-width:1px;width:200px;margin-right:10px;color:var(--toolbar-icon-color);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.vditor-emojis__tail{margin-top:5px;font-size:12px;color:var(--toolbar-icon-color);display:flex}.vditor-emojis__tail a{text-decoration:none;color:var(--toolbar-icon-color)}.vditor-emojis__tail a:hover{color:var(--toolbar-icon-hover-color)}.vditor-emojis button{cursor:pointer;border-radius:3px;float:left;height:30px;width:30px;text-align:center;line-height:26px;padding:3px;box-sizing:border-box;font-size:16px;transition:all .15s ease-in-out;border:0;margin:0;background-color:transparent;overflow:hidden}.vditor-emojis button:focus{outline:none}.vditor-emojis button:hover .vditor-emojis__icon{display:inline-block;transform:scale(1.2)}.vditor-emojis img{height:20px;width:20px;float:left;margin:3px 0 0 3px}@media screen and (max-width: 520px){.vditor-toolbar__item{padding:0 12px}.vditor-panel--left.vditor-panel--arrow:before{right:17px}}@media (hover: hover) and (pointer: fine){.vditor-toolbar__item .vditor-tooltipped:hover{color:var(--toolbar-icon-hover-color)}}@keyframes slideInDown{0%{transform:translate3d(0,-100%,0);visibility:visible}to{transform:translateZ(0)}}.vditor{display:flex;flex-direction:column;border:1px solid var(--border-color);border-radius:3px;box-sizing:border-box;font-family:Helvetica Neue,Luxi Sans,DejaVu Sans,Hiragino Sans GB,Microsoft Yahei,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",Segoe UI Symbol,"Android Emoji",EmojiSymbols}.vditor--fullscreen{position:fixed;top:0;width:100%!important;left:0;height:100vh!important;z-index:90;border-radius:0}.vditor-content{display:flex;min-height:60px;flex:1;min-width:1px;position:relative}.vditor-preview{flex:1;min-width:1px;overflow:auto;margin-left:-1px;border-left:1px solid var(--border-color);box-sizing:border-box;border-radius:0 0 3px;background-color:var(--textarea-background-color)}.vditor-preview::-webkit-scrollbar{display:none}.vditor-preview__action{text-align:center;padding:10px;background-color:var(--toolbar-background-color)}.vditor-preview__action button{background-color:var(--toolbar-background-color);color:var(--toolbar-icon-color);line-height:20px;border:0;margin:0 10px;cursor:pointer;padding:0 7px;font-size:12px}.vditor-preview__action button.vditor-preview__action--current,.vditor-preview__action button:hover{color:var(--toolbar-icon-hover-color);background-color:var(--toolbar-background-color)}.vditor-preview__action button:focus{outline:none}.vditor-preview__action button svg{fill:currentColor;height:15px;width:15px;vertical-align:middle}.vditor-preview>.vditor-reset{padding:10px;margin:0 auto}.vditor-preview img:not(.emoji){cursor:pointer}.vditor-devtools{display:none;background-color:var(--textarea-background-color);overflow:auto;flex:1;min-width:1px;box-shadow:inset 1px 0 var(--border-color);box-sizing:border-box;border-radius:0 0 3px;padding:10px}.vditor-counter{padding:3px;color:var(--toolbar-icon-color);background-color:var(--count-background-color);border-radius:3px;font-size:12px;-webkit-user-select:none;-moz-user-select:none;user-select:none;float:right;margin:8px 3px 0 0}.vditor-counter--error{color:#d23f31;background-color:#d23f311a}.vditor-resize{padding:3px 0;cursor:row-resize;-webkit-user-select:none;-moz-user-select:none;user-select:none;position:absolute;width:100%}.vditor-resize--top{top:-3px}.vditor-resize--bottom{bottom:-3px}.vditor-resize>div{height:3px;background-color:var(--resize-background-color);transition:all .15s ease-in-out}.vditor-resize:hover>div,.vditor-resize--selected>div{background-color:var(--resize-hover-background-color)}.vditor-resize:hover svg,.vditor-resize--selected svg{color:var(--resize-hover-icon-color)}.vditor-resize svg{fill:currentColor;stroke-width:0;stroke:currentColor;width:13px;height:3px;display:block;margin:0 auto;color:var(--resize-icon-color)}.vditor-upload{position:absolute;height:3px;left:0;top:-2px;transition:all .15s ease-in-out;background-color:#4285f4}.vditor-tip{position:absolute;font-size:12px;top:10px;animation-duration:.15s;animation-fill-mode:both;left:50%;z-index:5}.vditor-tip--show{display:block;animation-name:slideInDown}.vditor-tip__content{text-align:left;display:inline-block;line-height:16px;padding:3px 10px;border-radius:3px;background:var(--toolbar-background-color);position:relative;margin-left:-50%;color:var(--toolbar-icon-color);max-width:100%;box-shadow:var(--panel-shadow)}.vditor-tip__content ul{margin:2px 0;padding:0 0 0 18px}.vditor-tip__content a{color:#4285f4}.vditor-tip__close{position:absolute;color:var(--toolbar-icon-color);top:-7px;right:-15px;font-weight:700;cursor:pointer}.vditor-tip__close:hover{color:var(--toolbar-icon-hover-color)}.vditor-img{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;z-index:100}.vditor-img__bar{border-bottom:1px solid var(--border-color);background-color:var(--toolbar-background-color);text-align:center;height:36px;box-sizing:border-box;display:flex;align-items:center;justify-content:center}.vditor-img__btn{display:flex;align-items:center;cursor:pointer;margin-left:24px;-webkit-user-select:none;-moz-user-select:none;user-select:none;color:var(--toolbar-icon-color)}.vditor-img__btn:hover{color:var(--toolbar-icon-hover-color)}.vditor-img__btn svg{height:14px;width:14px;margin-right:8px;fill:currentColor}.vditor-img__img{flex:1;background-color:var(--textarea-background-color);overflow:auto;cursor:zoom-out}.vditor-img__img img{max-width:none}.vditor-hint{background-color:var(--panel-background-color);position:absolute;box-shadow:var(--panel-shadow);border-radius:3px;padding:5px 0;z-index:4;line-height:20px;list-style:none;font-size:12px;margin:0;max-width:250px;min-width:80px;display:none}.vditor-hint .vditor-hint{margin-top:-31px;left:100%;right:auto}.vditor-hint .vditor-hint.vditor-panel--left{right:100%;left:auto}.vditor-hint button{color:var(--toolbar-icon-color);display:block;padding:3px 10px;border:0;border-radius:0;line-height:20px;width:100%;box-sizing:border-box;text-align:left;margin:0;background-color:transparent;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.vditor-hint button:focus{outline:none}.vditor-hint--current,.vditor-hint button:not(.vditor-menu--disabled):hover{background-color:var(--toolbar-background-color)!important;color:var(--toolbar-icon-hover-color)!important}.vditor-hint__emoji{font-size:16px;float:left;margin-right:3px}.vditor-hint img{height:20px;width:20px;float:left;margin-right:3px}.vditor-reset{color:#24292e;font-variant-ligatures:no-common-ligatures;font-family:Helvetica Neue,Luxi Sans,DejaVu Sans,Hiragino Sans GB,Microsoft Yahei,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",Segoe UI Symbol,"Android Emoji",EmojiSymbols;word-wrap:break-word;overflow:auto;line-height:1.5;font-size:16px;word-break:break-word}.vditor-reset--anchor{padding-left:20px}.vditor-reset--error{color:#d23f31;font-size:12px;display:block;line-height:16px}.vditor-reset ul ul ul{list-style-type:square}.vditor-reset ul ul{list-style-type:circle}.vditor-reset ul{list-style-type:disc}.vditor-reset ul,.vditor-reset ol{padding-left:2em;margin-top:0;margin-bottom:16px}.vditor-reset li+li{margin-top:.25em}.vditor-reset li p{margin-top:16px}.vditor-reset audio{max-width:100%}.vditor-reset audio:focus{outline:none}.vditor-reset video{max-height:90vh;max-width:100%}.vditor-reset img{max-width:100%}.vditor-reset img.emoji{cursor:auto;max-width:20px;vertical-align:sub}.vditor-reset figure.vditor-image{margin:0 0 16px;text-align:center}.vditor-reset figure.vditor-image figcaption{font-size:.875em;margin-top:4px;opacity:.65;white-space:pre-wrap}.vditor-reset span.vditor-image[data-image-caption]{display:inline-block;max-width:100%;text-align:center;vertical-align:top}.vditor-reset span.vditor-image[data-image-caption]:after{content:attr(data-image-caption);display:block;font-size:.875em;line-height:1.5;margin-top:4px;opacity:.65;white-space:pre-wrap}.vditor-reset h1,.vditor-reset h2,.vditor-reset h3,.vditor-reset h4,.vditor-reset h5,.vditor-reset h6{margin-top:24px;margin-bottom:16px;font-weight:600;line-height:1.25}.vditor-reset h1:hover .vditor-anchor svg,.vditor-reset h2:hover .vditor-anchor svg,.vditor-reset h3:hover .vditor-anchor svg,.vditor-reset h4:hover .vditor-anchor svg,.vditor-reset h5:hover .vditor-anchor svg,.vditor-reset h6:hover .vditor-anchor svg{visibility:visible}.vditor-reset h1{font-size:1.75em}.vditor-reset h2{font-size:1.55em}.vditor-reset h3{font-size:1.38em}.vditor-reset h4{font-size:1.25em}.vditor-reset h5{font-size:1.13em}.vditor-reset h6{font-size:1em}.vditor-reset hr{height:2px;padding:0;margin:24px 0;background-color:#eaecef;border:0}.vditor-reset p{margin-top:0;margin-bottom:16px}.vditor-reset blockquote{padding:0 1em;color:#6a737d;border-left:.25em solid #eaecef;margin:0 0 16px}.vditor-reset blockquote>:first-child{margin-top:0}.vditor-reset blockquote>:last-child{margin-bottom:0}.vditor-reset ins>iframe{border:0}.vditor-reset iframe{border:1px solid #d1d5da;max-width:100%;box-sizing:border-box}.vditor-reset iframe.iframe__video{min-width:80%;min-height:36vh}.vditor-reset table{border-collapse:collapse;empty-cells:show;margin-bottom:16px;overflow:auto;border-spacing:0;display:block;word-break:keep-all;width:100%}.vditor-reset table tr{background-color:#fafbfc;border-top:1px solid #c6cbd1}.vditor-reset table td,.vditor-reset table th{padding:6px 13px;border:1px solid #dfe2e5;word-break:normal;white-space:nowrap}.vditor-reset table td:first-child:after,.vditor-reset table th:first-child:after{content:"";display:inline-block;vertical-align:top;min-height:24px}.vditor-reset table th{font-weight:600}.vditor-reset table tbody tr:nth-child(2n){background-color:#fff}.vditor-reset code:not(.hljs):not(.highlight-chroma){padding:.2em .4em;margin:0;font-size:85%;border-radius:3px;font-family:mononoki,Consolas,Liberation Mono,Menlo,Courier,monospace,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",Segoe UI Symbol,"Android Emoji",EmojiSymbols;word-break:break-word;background-size:20px 20px;white-space:pre-wrap}.vditor-reset pre{margin:1em 0}.vditor-reset pre>code{margin:0;font-size:85%;padding:.5em;border-radius:5px;display:block;overflow:auto;white-space:pre;font-family:mononoki,Consolas,Liberation Mono,Menlo,Courier,monospace,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",Segoe UI Symbol,"Android Emoji",EmojiSymbols;background-size:20px 20px;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAA8AgMAAABHkjHhAAAACVBMVEWAgIBaWlo+Pj7rTFvWAAAAA3RSTlMHCAw+VhR4AAAA+klEQVQoz4WSMW7EQAhFPxKWNh2FCx+HkaZI6RRb5DYbyVfIJXLKDCFoMbaTKSw/8ZnPAPjaH2xgZcUNUDADD7D9LtDBCLZ45fbkvo/30K8yeI64pPwl6znd/3n/Oe93P3ho9qeh72btTFzqkz0rsJle8Zr81OLEwZ1dv/713uWqvu2pl+k0fy7MWtj9r/tN5q/02z89qa/L4Dc2LvM93kezPfXlME/O86EbY/V9GB9ePX8G1/6W+/9h1dq/HGfTfzT3j/xNo7522Bfnqe5jO/fvhVthlfk434v3iO9zG/UOphyPeinPl1J8Gtaa7xPTa/Dk+RIs4deMvwGvcGsmsCvJ0AAAAABJRU5ErkJggg==);word-break:initial;word-wrap:normal}.vditor-reset pre:hover div.vditor-copy{display:block}.vditor-reset .language-math,.vditor-reset .language-echarts,.vditor-reset .language-mindmap,.vditor-reset .language-plantuml,.vditor-reset .language-mermaid,.vditor-reset .language-smiles,.vditor-reset .language-markmap,.vditor-reset .language-abc,.vditor-reset .language-flowchart,.vditor-reset .language-graphviz,.vditor-reset .language-wavedrom{margin-bottom:16px}.vditor-reset .language-math mjx-container:focus{outline:none;cursor:context-menu}.vditor-reset .language-math .katex-display>.katex>.katex-html>.tag{display:inline-block;font-size:1.21rem;right:2px}.vditor-reset .language-echarts,.vditor-reset .language-mindmap{overflow:hidden;height:420px}.vditor-reset .language-mermaid,.vditor-reset .language-markmap,.vditor-reset .language-flowchart,.vditor-reset .language-graphviz,.vditor-reset .language-wavedrom{text-align:center}.vditor-reset .language-graphviz parsererror{overflow:auto}.vditor-reset kbd{display:inline-block;padding:3px 5px;font:11px Consolas,Liberation Mono,Menlo,Courier,monospace;line-height:10px;color:#24292e;vertical-align:middle;background-color:#fafbfc;border:solid 1px #d1d5da;border-radius:3px;box-shadow:inset 0 -1px #d1d5da}.vditor-reset summary{cursor:pointer}.vditor-reset summary:focus{outline:none}.vditor-reset svg{height:auto;width:auto;stroke-width:initial}.vditor-reset p:last-child,.vditor-reset blockquote:last-child,.vditor-reset pre:last-child,.vditor-reset ul:last-child,.vditor-reset ol:last-child,.vditor-reset hr:last-child{margin-bottom:0}.vditor-comment{border-bottom:2px solid #f8e6ab}.vditor-comment--focus,.vditor-comment--hover{background-color:#faf1d1;border-bottom:2px solid #ffc60a}.vditor-comment--focus .vditor-comment,.vditor-comment--hover .vditor-comment{border-bottom:2px solid #ffc60a}.vditor-task{list-style:none!important;word-break:break-all}.vditor-task input{margin:0 .2em .25em -1.6em;font-size:12px;vertical-align:middle}.vditor-copy{position:relative;display:none;z-index:1}.vditor-copy textarea{position:absolute;left:-100000px;height:10px}.vditor-copy span{cursor:pointer;position:absolute;right:15px;top:.5em}.vditor-copy svg{color:#586069;height:14px;width:14px!important;display:block;fill:currentColor}.vditor-linenumber{padding-left:4em!important;position:relative}.vditor-linenumber__rows{position:absolute;pointer-events:none;top:1em;left:0;width:3em;-webkit-user-select:none;-moz-user-select:none;user-select:none;counter-reset:linenumber}.vditor-linenumber__rows>span{pointer-events:none;display:block}.vditor-linenumber__rows>span:before{counter-increment:linenumber;content:counter(linenumber);color:#9e969661;display:block;padding-right:1em;text-align:right}.vditor-speech{position:absolute;display:none;background-color:#f6f8fa;border:1px solid #d1d5da;border-radius:3px;padding:3px;cursor:pointer;color:#586069}.vditor-speech:hover,.vditor-speech--current{color:#4285f4}.vditor-speech svg{height:14px;width:14px;fill:currentColor;display:block;stroke-width:0;stroke:currentColor}.vditor-anchor{margin-left:5px}.vditor-anchor--left{float:left;padding-right:4px;margin-left:-20px}.vditor-anchor svg{visibility:hidden}.vditor-anchor:hover svg{visibility:visible}.vditor-anchor:focus{outline:none}.vditor-linkcard{margin:31px auto 16px;transition:all .15s ease-in-out;cursor:pointer;max-width:768px;padding:0 10px}.vditor-linkcard a{border-radius:3px;background-color:#f6f8fa;overflow:hidden;max-height:250px;display:flex;text-decoration:none;flex-wrap:wrap-reverse;box-shadow:0 1px 2px #0003}.vditor-linkcard a:hover{box-shadow:0 0 3px #00000021,0 3px 6px #00000042;text-decoration:none}.vditor-linkcard a:visited .vditor-linkcard__abstract{color:#5860695c}.vditor-linkcard__info{padding:10px;min-width:200px;box-sizing:border-box;flex:1}.vditor-linkcard__title{font-size:14px;font-weight:400;color:#24292e;display:flex;align-items:center}.vditor-linkcard__title img{cursor:pointer;height:20px;width:20px;border-radius:3px;flex-shrink:0;margin-right:5px}.vditor-linkcard__abstract{word-wrap:break-word;word-break:break-all;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis;-webkit-box-orient:vertical;display:-webkit-box;font-size:13px;color:#586069;margin:5px 0}.vditor-linkcard__site{font-size:12px;color:#4285f4}.vditor-linkcard__image{background-size:cover;background-repeat:no-repeat;background-position:center center;max-width:250px;min-width:126px;cursor:pointer;background-color:#5860695c}.vditor-footnotes__goto-ref{text-decoration:none}.vditor-toc{margin-bottom:16px;-webkit-user-select:text;-moz-user-select:text;user-select:text;color:#4285f4}.vditor-toc .vditor-outline__action{display:none}.vditor-toc ul{list-style:none!important;padding-left:1em}.vditor-toc>ul{padding-left:0}.vditor-toc span{cursor:pointer}.vditor-toc li>span>svg{width:0;height:0}.vditor-outline{width:250px;border-right:1px solid var(--border-color);background-color:var(--panel-background-color);display:none;overflow:auto}.vditor-outline--right{border-right:0;border-left:1px solid var(--border-color)}.vditor-outline::-webkit-scrollbar{display:none}.vditor-outline ul{list-style:none!important;padding-left:1em;margin:0}.vditor-outline__content>ul{padding-left:0}.vditor-outline li>span{display:flex;align-items:center;padding:5px 10px;cursor:pointer;color:var(--textarea-text-color)}.vditor-outline li>span>svg{height:10px;width:10px;flex-shrink:0}.vditor-outline li>span:hover{color:var(--toolbar-icon-hover-color)}.vditor-outline li>span>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.vditor-outline__title{border-bottom:1px dashed var(--border-color);padding:5px 10px;color:var(--toolbar-icon-color);font-size:12px}.vditor-outline__action{transition:all .15s ease-in-out;fill:currentColor;margin-right:5px;flex-shrink:0}.vditor-outline__action--close{transform:rotate(-90deg)}.vditor-reset .callout,.vditor-wysiwyg blockquote.callout,.vditor-ir blockquote.callout{--callout-color: var(--callout-note-color, #0969da);--callout-background-color: var(--callout-note-background-color, rgba(9, 105, 218, .08));position:relative;margin:0 0 16px;padding:.75em 1em;color:inherit;background-color:var(--callout-background-color);border:0;border-left:.25em solid var(--callout-color)}.vditor-reset .callout[data-subtype=TIP],.vditor-wysiwyg blockquote.callout[data-subtype=TIP],.vditor-ir blockquote.callout[data-subtype=TIP]{--callout-color: var(--callout-tip-color, #1a7f37);--callout-background-color: var(--callout-tip-background-color, rgba(26, 127, 55, .08))}.vditor-reset .callout[data-subtype=IMPORTANT],.vditor-wysiwyg blockquote.callout[data-subtype=IMPORTANT],.vditor-ir blockquote.callout[data-subtype=IMPORTANT]{--callout-color: var(--callout-important-color, #8250df);--callout-background-color: var(--callout-important-background-color, rgba(130, 80, 223, .08))}.vditor-reset .callout[data-subtype=WARNING],.vditor-wysiwyg blockquote.callout[data-subtype=WARNING],.vditor-ir blockquote.callout[data-subtype=WARNING]{--callout-color: var(--callout-warning-color, #9a6700);--callout-background-color: var(--callout-warning-background-color, rgba(154, 103, 0, .08))}.vditor-reset .callout[data-subtype=CAUTION],.vditor-wysiwyg blockquote.callout[data-subtype=CAUTION],.vditor-ir blockquote.callout[data-subtype=CAUTION]{--callout-color: var(--callout-caution-color, #cf222e);--callout-background-color: var(--callout-caution-background-color, rgba(207, 34, 46, .08))}.vditor-reset .callout>.callout-info,.vditor-wysiwyg blockquote.callout>.callout-info,.vditor-ir blockquote.callout>.callout-info{display:flex;align-items:center;min-height:1.5em;margin:0 0 .5em;color:var(--callout-color);font-weight:600}.vditor-reset .callout>.callout-info .callout-icon,.vditor-wysiwyg blockquote.callout>.callout-info .callout-icon,.vditor-ir blockquote.callout>.callout-info .callout-icon{display:inline-flex;align-items:center;margin-right:.35em}.vditor-reset .callout>.callout-info .callout-title,.vditor-wysiwyg blockquote.callout>.callout-info .callout-title,.vditor-ir blockquote.callout>.callout-info .callout-title{min-width:1px}.vditor-reset .callout>.callout-info .callout-img,.vditor-wysiwyg blockquote.callout>.callout-info .callout-img,.vditor-ir blockquote.callout>.callout-info .callout-img,.vditor-reset .callout>.callout-info>.callout-img,.vditor-wysiwyg blockquote.callout>.callout-info>.callout-img,.vditor-ir blockquote.callout>.callout-info>.callout-img{width:1.2em;height:1.2em;margin-right:.35em;-o-object-fit:contain;object-fit:contain}.vditor-reset .callout>.callout-content>:last-child,.vditor-wysiwyg blockquote.callout>.callout-content>:last-child,.vditor-ir blockquote.callout>.callout-content>:last-child,.vditor-reset .callout>:last-child,.vditor-wysiwyg blockquote.callout>:last-child,.vditor-ir blockquote.callout>:last-child{margin-bottom:0}.vditor-wysiwyg__callout-marker{display:none}.vditor-wysiwyg{box-sizing:border-box;flex:1;position:relative;width:100%;min-width:1px}.vditor-wysiwyg pre.vditor-reset{background-color:var(--panel-background-color);margin:0;white-space:pre-wrap;height:100%;box-sizing:border-box}.vditor-wysiwyg pre.vditor-reset[contenteditable=false]{opacity:.3;cursor:not-allowed}.vditor-wysiwyg pre.vditor-reset:empty:before{content:attr(placeholder);color:var(--second-color)}.vditor-wysiwyg pre.vditor-reset:focus{outline:none;background-color:var(--textarea-background-color)}.vditor-wysiwyg pre.vditor-reset:after{content:"";height:var(--editor-bottom);display:block}.vditor-wysiwyg blockquote:empty:before,.vditor-wysiwyg pre>code:empty:before,.vditor-wysiwyg p:empty:before,.vditor-wysiwyg h1:empty:after,.vditor-wysiwyg h2:empty:after,.vditor-wysiwyg h3:empty:after,.vditor-wysiwyg h4:empty:after,.vditor-wysiwyg h5:empty:after,.vditor-wysiwyg h6:empty:after{content:" "}.vditor-wysiwyg code[data-marker="`"]{padding-left:0!important;padding-right:0!important}.vditor-wysiwyg__block pre:first-child{margin-bottom:-1em}.vditor-wysiwyg__block pre:first-child code{color:var(--textarea-text-color);height:auto;text-align:left}.vditor-wysiwyg__block pre:last-child{margin-bottom:1em}.vditor-wysiwyg__preview{cursor:pointer;white-space:initial;min-height:27px}.vditor-wysiwyg>.vditor-reset>h1:before,.vditor-wysiwyg>.vditor-reset>h2:before,.vditor-wysiwyg>.vditor-reset>h3:before,.vditor-wysiwyg>.vditor-reset>h4:before,.vditor-wysiwyg>.vditor-reset>h5:before,.vditor-wysiwyg>.vditor-reset>h6:before,.vditor-wysiwyg div.vditor-wysiwyg__block:before,.vditor-wysiwyg div[data-type=link-ref-defs-block]:before,.vditor-wysiwyg div[data-type=footnotes-block]:before,.vditor-wysiwyg .vditor-toc:before{float:left;padding-right:4px;margin-left:-29px;content:"H1";font-size:.85rem;font-weight:400;color:var(--second-color)}.vditor-wysiwyg>.vditor-reset>h2:before{content:"H2"}.vditor-wysiwyg>.vditor-reset>h3:before{content:"H3"}.vditor-wysiwyg>.vditor-reset>h4:before{content:"H4"}.vditor-wysiwyg>.vditor-reset>h5:before{content:"H5"}.vditor-wysiwyg>.vditor-reset>h6:before{content:"H6"}.vditor-wysiwyg div[data-type=link-ref-defs-block]:before{content:'"A"'}.vditor-wysiwyg div[data-type=footnotes-block]:before{content:"^F"}.vditor-wysiwyg div.vditor-wysiwyg__block:before{content:"</>"}.vditor-wysiwyg div.vditor-wysiwyg__block[data-type=yaml-front-matter]:before{content:"F"}.vditor-wysiwyg div.vditor-wysiwyg__block[data-type=math-block]:before{content:"$$"}.vditor-wysiwyg .vditor-toc:before{content:"ToC"}.vditor-wysiwyg hr{display:inline-block;margin:12px 0;width:100%}.vditor-wysiwyg details{white-space:initial}.vditor-wysiwyg a{cursor:pointer}.vditor-wysiwyg span[data-type=backslash]>span{display:none;color:var(--second-color)}.vditor-wysiwyg span[data-type=link-ref],.vditor-wysiwyg sup[data-type=footnotes-ref]{color:#4285f4}.vditor-wysiwyg span[data-type=toc-h]{color:#4285f4;text-decoration:underline}.vditor-wysiwyg div[data-type=footnotes-block]{border-top:2px solid var(--heading-border-color);padding-top:24px;margin-top:24px}.vditor-wysiwyg div[data-type=link-ref-defs-block]{color:var(--blockquote-color)}.vditor-wysiwyg__mobile-toolbar{display:none}@media screen and (max-width: 520px){.vditor-wysiwyg__mobile-toolbar{display:block;float:left;height:21px;position:relative;width:23px}.vditor-wysiwyg__mobile-actions{box-sizing:border-box;flex-wrap:wrap;left:0;padding:5px;top:26px;white-space:normal}.vditor-wysiwyg__mobile-actions.vditor-panel--left{left:auto;right:0}.vditor-wysiwyg__mobile-actions--open{display:flex}.vditor-wysiwyg h1:before,.vditor-wysiwyg h2:before,.vditor-wysiwyg h3:before,.vditor-wysiwyg h4:before,.vditor-wysiwyg h5:before,.vditor-wysiwyg h6:before,.vditor-wysiwyg div.vditor-wysiwyg__block:before,.vditor-wysiwyg div[data-type=link-ref-defs-block]:before,.vditor-wysiwyg div[data-type=footnotes-block]:before,.vditor-wysiwyg .vditor-toc:before{content:none}}.vditor-ir{box-sizing:border-box;flex:1;min-width:1px;position:relative;width:100%}.vditor-ir__node[data-type=code-block]:before,.vditor-ir__node[data-type=code-block]:after,.vditor-ir__node[data-type=yaml-front-matter]:before,.vditor-ir__node[data-type=yaml-front-matter]:after,.vditor-ir__node[data-type=math-block]:before,.vditor-ir__node[data-type=math-block]:after{content:" ";color:var(--second-color)}.vditor-ir__node:not(.vditor-ir__node--expand) .vditor-ir__marker{padding:0!important}.vditor-ir__node:not(.vditor-ir__node--expand)[data-type=a]{cursor:pointer}.vditor-ir__node[data-type=link-ref],.vditor-ir__node[data-type=footnotes-ref]{color:#4285f4}.vditor-ir__node[data-type=html-block]{margin-bottom:1em}.vditor-ir__node .vditor-ir__marker{width:0;overflow:hidden;display:inline-block;height:0;transition:all .15s ease-in-out}.vditor-ir__node--hidden .vditor-ir__marker{visibility:hidden}.vditor-ir__node--expand .vditor-ir__marker{color:var(--second-color);display:inline;height:auto;width:auto}.vditor-ir__node--expand .vditor-ir__marker--hide{display:none}.vditor-ir__node--expand .vditor-ir__marker--heading{color:var(--ir-heading-color)}.vditor-ir__node--expand .vditor-ir__marker--bi{color:var(--ir-bi-color)}.vditor-ir__node--expand .vditor-ir__marker--link{color:var(--ir-link-color)}.vditor-ir__node--expand .vditor-ir__marker--title{color:var(--ir-title-color)}.vditor-ir__node--expand .vditor-ir__marker--bracket{color:var(--ir-bracket-color);text-decoration:underline}.vditor-ir__node--expand .vditor-ir__marker--paren{color:var(--ir-paren-color)}.vditor-ir__node--expand .vditor-ir__marker--info{color:var(--ir-heading-color)}.vditor-ir__node--expand .vditor-ir__marker--pre code{color:var(--textarea-text-color);height:auto;text-align:left}.vditor-ir__node--expand[data-type=code-block]:before,.vditor-ir__node--expand[data-type=code-block]:after{content:"```"}.vditor-ir__node--expand[data-type=yaml-front-matter]:before,.vditor-ir__node--expand[data-type=yaml-front-matter]:after{content:"---"}.vditor-ir__node--expand[data-type=math-block]:before,.vditor-ir__node--expand[data-type=math-block]:after{content:"$$"}.vditor-ir__node span[data-type=code-block-open-marker],.vditor-ir__node span[data-type=code-block-close-marker],.vditor-ir__node span[data-type=yaml-front-matter-open-marker],.vditor-ir__node span[data-type=yaml-front-matter-close-marker],.vditor-ir__node span[data-type=math-block-open-marker],.vditor-ir__node span[data-type=math-block-close-marker]{display:none}.vditor-ir__preview{cursor:pointer;white-space:initial;min-height:27px}.vditor-ir__link{color:var(--ir-bracket-color);text-decoration:underline}.vditor-ir pre.vditor-reset{background-color:var(--panel-background-color);margin:0;white-space:pre-wrap;height:100%;box-sizing:border-box}.vditor-ir pre.vditor-reset[contenteditable=false]{opacity:.3;cursor:not-allowed}.vditor-ir pre.vditor-reset:empty:before{content:attr(placeholder);color:var(--second-color)}.vditor-ir pre.vditor-reset:focus{outline:none;background-color:var(--textarea-background-color)}.vditor-ir pre.vditor-reset:after{content:"";height:var(--editor-bottom);display:block}.vditor-ir pre.vditor-reset pre{margin:0}.vditor-ir hr{display:inline-block;margin:12px 0;width:100%}.vditor-ir blockquote:empty:before,.vditor-ir pre>code:empty:before,.vditor-ir p:empty:before,.vditor-ir h1:empty:after,.vditor-ir h2:empty:after,.vditor-ir h3:empty:after,.vditor-ir h4:empty:after,.vditor-ir h5:empty:after,.vditor-ir h6:empty:after{content:" "}.vditor-ir .vditor-reset>h1:before,.vditor-ir .vditor-reset>h2:before,.vditor-ir .vditor-reset>h3:before,.vditor-ir .vditor-reset>h4:before,.vditor-ir .vditor-reset>h5:before,.vditor-ir .vditor-reset>h6:before,.vditor-ir div[data-type=link-ref-defs-block]:before,.vditor-ir div[data-type=footnotes-block]:before,.vditor-ir .vditor-toc:before{float:left;padding-right:4px;margin-left:-29px;content:"H1";font-size:.85rem;font-weight:400;color:var(--second-color)}.vditor-ir .vditor-reset>h2:before{content:"H2"}.vditor-ir .vditor-reset>h3:before{content:"H3"}.vditor-ir .vditor-reset>h4:before{content:"H4"}.vditor-ir .vditor-reset>h5:before{content:"H5"}.vditor-ir .vditor-reset>h6:before{content:"H6"}.vditor-ir div[data-type=link-ref-defs-block]{color:var(--blockquote-color)}.vditor-ir div[data-type=link-ref-defs-block]:before{content:'"A"'}.vditor-ir div[data-type=footnotes-block]{border-top:2px solid var(--heading-border-color);padding-top:24px;margin-top:24px}.vditor-ir div[data-type=footnotes-block]:before{content:"^F"}.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>ul,.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>ol,.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>p,.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>blockquote,.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>pre,.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>table,.vditor-ir div[data-type=footnotes-block]>div[data-type=footnotes-def]>hr{margin-left:8px}.vditor-ir .vditor-toc:before{content:"ToC"}.vditor-ir .vditor-toc span[data-type=toc-h]{color:#4285f4;text-decoration:underline}@media screen and (max-width: 520px){.vditor-ir h1:before,.vditor-ir h2:before,.vditor-ir h3:before,.vditor-ir h4:before,.vditor-ir h5:before,.vditor-ir h6:before,.vditor-ir div[data-type=link-ref-defs-block]:before,.vditor-ir div[data-type=footnotes-block]:before,.vditor-ir .vditor-toc:before{content:none}}.vditor-sv{font-family:Helvetica Neue,Luxi Sans,DejaVu Sans,Hiragino Sans GB,Microsoft Yahei,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",Segoe UI Symbol,"Android Emoji",EmojiSymbols;margin:0 1px 0 0;overflow:auto;width:100%;flex:1;min-width:1px;border:0;resize:none;padding:10px 9px 10px 10px;box-sizing:border-box;background-color:var(--panel-background-color);outline:0 none;font-size:16px;line-height:22px;color:var(--textarea-text-color);border-radius:0 0 3px 3px;font-variant-ligatures:no-common-ligatures;white-space:pre-wrap;word-break:break-word;word-wrap:break-word}.vditor-sv:disabled{opacity:.3;cursor:not-allowed}.vditor-sv::-moz-placeholder{color:var(--second-color)}.vditor-sv::placeholder{color:var(--second-color)}.vditor-sv:focus{background-color:var(--textarea-background-color)}:root{--bg: #f4f6fb;--bg-grad: radial-gradient(1200px 600px at 12% -10%, #e8eeff 0%, rgba(232, 238, 255, 0) 60%), radial-gradient(900px 500px at 100% 0%, #fdf1ec 0%, rgba(253, 241, 236, 0) 55%);--surface: #ffffff;--surface-2: #f7f9fd;--surface-3: #eef2fa;--border: #e3e8f2;--border-strong: #d3dae8;--text: #172033;--text-2: #4a5670;--text-3: #8792a8;--primary: #2f6bfb;--primary-dark: #1f52d6;--primary-soft: #eaf0ff;--danger: #e5484d;--danger-soft: #fdecec;--success: #129e5a;--success-soft: #e6f7ee;--warn: #c47f17;--warn-soft: #fdf4e3;--star: #f0a500;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(23, 32, 51, .05), 0 1px 3px rgba(23, 32, 51, .04);--shadow: 0 4px 14px rgba(23, 32, 51, .07);--shadow-lg: 0 12px 40px rgba(23, 32, 51, .14);--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;--font-serif: "Songti SC", "STSong", Georgia, serif;--sidebar-w: 216px;--ease: cubic-bezier(.22, .61, .36, 1)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);font-size:14px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}button{cursor:pointer;border:none;background:none}::selection{background:#d6e2ff}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#d5dced;border-radius:8px;border:3px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#bcc7dd;background-clip:content-box}.app{display:flex;min-height:100dvh;background-image:var(--bg-grad)}.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);padding:20px 14px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--border);background:#ffffffb8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;height:100dvh;transition:width .2s var(--ease),flex-basis .2s var(--ease),margin-right .2s var(--ease);overflow:hidden}.sidebar.collapsed{width:64px;flex-basis:64px}.sidebar.collapsed .brand,.sidebar.collapsed .nav-item,.sidebar.collapsed .sidebar-foot{min-width:188px;white-space:nowrap}.sidebar.collapsed .brand-text,.sidebar.collapsed .nav-item>span:not(.nav-ico),.sidebar.collapsed .sidebar-foot{opacity:0;transition:opacity .16s var(--ease)}.sidebar.collapsed.flyout,.sidebar.collapsed:focus-within{width:var(--sidebar-w);flex-basis:var(--sidebar-w);margin-right:calc(64px - var(--sidebar-w));background:#fffffffa;box-shadow:14px 0 34px #0f172a1f;z-index:60}.sidebar.collapsed.flyout .brand-text,.sidebar.collapsed.flyout .nav-item>span:not(.nav-ico),.sidebar.collapsed.flyout .sidebar-foot,.sidebar.collapsed:focus-within .brand-text,.sidebar.collapsed:focus-within .nav-item>span:not(.nav-ico),.sidebar.collapsed:focus-within .sidebar-foot{opacity:1}.app.sb-collapsed .page{max-width:none;padding-right:48px}.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px}.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,var(--primary) 0%,#6f4bff 100%);color:#fff;font-weight:700;font-size:15px;box-shadow:0 6px 16px #2f6bfb52;flex:0 0 auto}.brand-title{font-size:15px;font-weight:700;letter-spacing:.2px}.brand-sub{font-size:11px;color:var(--text-3);margin-top:-3px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;color:var(--text-2);font-weight:500;transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);text-align:left;width:100%}.nav-item:hover{background:var(--surface-3);color:var(--text)}.nav-item.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}.nav-item .nav-ico{width:18px;text-align:center;font-size:15px}.nav-item{cursor:pointer}.nav-item.dragging{opacity:.45}.nav-item.drop-hint{background:var(--primary-soft);box-shadow:inset 0 3px 0 var(--primary)}.nav-grip{margin-left:auto;font-size:13px;line-height:1;letter-spacing:0;color:var(--text-2);opacity:0;cursor:grab;transition:opacity .14s var(--ease)}.nav-item:hover .nav-grip{opacity:.8}.nav-item .nav-grip~.nav-count{margin-left:6px}.nav-item .nav-count{margin-left:auto;font-size:11px;color:var(--text-3);background:var(--surface-3);border-radius:20px;padding:1px 7px}.nav-item.active .nav-count{background:#fff;color:var(--primary-dark)}.sidebar-foot{margin-top:auto;padding:12px 10px 4px;border-top:1px solid var(--border);font-size:11px;color:var(--text-3);line-height:1.7}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:14px 26px;background:#f4f6fbd6;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.topbar h1{font-size:17px;margin:0;font-weight:700}.topbar .sub{font-size:12px;color:var(--text-3);margin-top:1px}.topbar-actions{margin-left:auto;display:flex;gap:8px;align-items:center}.page{padding:22px 26px 64px;max-width:1180px;width:100%;margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:10px;font-weight:600;font-size:13px;background:var(--surface);color:var(--text-2);border:1px solid var(--border-strong);transition:all .15s var(--ease);white-space:nowrap}.btn:hover{color:var(--text);border-color:#bcc7dd;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn.primary{background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border-color:transparent;box-shadow:0 4px 14px #2f6bfb47}.btn.primary:hover{box-shadow:0 6px 18px #2f6bfb5c}.btn.ghost{background:transparent;border-color:transparent;color:var(--text-2)}.btn.blue{background:var(--primary-soft, #e8f0ff);border-color:transparent;color:var(--primary, #2f6bfb)}.btn.blue:hover{background:#dbe7ff;box-shadow:0 2px 8px #2f6bfb2e}.btn.analysis{background:var(--primary-soft, #e8f0ff);border-color:transparent;color:var(--primary, #2f6bfb)}.btn.analysis:hover{background:#dbe7ff;box-shadow:0 2px 8px #2f6bfb2e}.btn.ghost:hover{background:var(--surface-3);border-color:transparent;box-shadow:none}.btn.danger{color:var(--danger);border-color:#f4c9ca;background:var(--danger-soft)}.btn.danger:hover{background:#fbdcdd}.btn.sm{padding:5px 10px;font-size:12px;border-radius:8px}.btn.block{width:100%}.btn.lg{padding:12px 22px;font-size:15px;border-radius:12px}.icon-btn{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--text-3);border:1px solid transparent;transition:all .15s var(--ease)}.icon-btn:hover{background:var(--surface-3);color:var(--text)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-pad{padding:18px 20px}.card-head{display:flex;align-items:center;gap:10px;padding:14px 20px;border-bottom:1px solid var(--border)}.card-head h3{margin:0;font-size:14px;font-weight:700}.card-head .hint{font-size:12px;color:var(--text-3);font-weight:400}.card-head-actions{margin-left:auto;display:flex;gap:8px;align-items:center}.grid{display:grid;gap:14px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stack{display:flex;flex-direction:column;gap:14px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.spacer{flex:1}.field{display:flex;flex-direction:column;gap:6px}.field>label{font-size:12px;font-weight:600;color:var(--text-2);display:flex;align-items:center;gap:6px}.field .tip{font-size:11px;color:var(--text-3);font-weight:400}.input,.textarea,.select{width:100%;padding:9px 12px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface);transition:border-color .15s var(--ease),box-shadow .15s var(--ease);outline:none}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2f6bfb24}.textarea{resize:vertical;min-height:84px;line-height:1.7}.textarea.stem{min-height:108px;font-family:var(--font-serif);font-size:15px;line-height:1.85}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238792a8' d='M6 8.5 1.5 4h9z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}.inline-input{border:1px solid transparent;background:var(--surface-2);border-radius:8px;padding:7px 10px;width:100%;outline:none}.inline-input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px #2f6bfb1f}.switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);cursor:pointer;-webkit-user-select:none;user-select:none}.switch input{display:none}.switch .track{width:38px;height:22px;border-radius:20px;background:#d9e0ee;position:relative;transition:background .18s var(--ease);flex:0 0 auto}.switch .track:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:transform .18s var(--ease)}.switch input:checked+.track{background:var(--primary)}.switch input:checked+.track:after{transform:translate(16px)}.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;background:var(--surface-3);color:var(--text-2);white-space:nowrap}.tag.blue{background:var(--primary-soft);color:var(--primary-dark)}.tag.red{background:var(--danger-soft);color:var(--danger)}.tag.green{background:var(--success-soft);color:var(--success)}.tag.amber{background:var(--warn-soft);color:var(--warn)}.tag.outline{background:transparent;border:1px solid var(--border-strong);color:var(--text-3)}.tag.violet{background:#7c5cf61c;color:#6d4ede}.chip{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-2);transition:all .15s var(--ease)}.chip:hover{border-color:#bcc7dd;color:var(--text)}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 3px 10px #2f6bfb42}.q-tabs{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.q-tab{display:inline-flex;align-items:baseline;gap:7px;padding:10px 18px;border-radius:12px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-2);font-size:14px;font-weight:700;line-height:1.2;transition:all .16s var(--ease)}.q-tab:hover{border-color:#bcc7dd;color:var(--text);transform:translateY(-1px)}.q-tab .q-tab-ico{font-size:14px}.q-tab .q-tab-n{font-size:12px;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--surface-3);color:var(--text-3)}.q-tab.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px #2f6bfb3d}.q-tab.active .q-tab-n{background:#ffffff38;color:#fff}.q-tab.fav.active{background:var(--star);border-color:var(--star);box-shadow:0 6px 16px #f0a50047}.q-tabs-tip{font-size:12px;color:var(--text-3);line-height:1.6}.tag-star{padding:2px 9px;border-radius:999px;border:1px dashed var(--border-strong);background:transparent;font-size:11.5px;font-weight:700;color:var(--text-3);transition:all .15s var(--ease)}.tag-star:hover{border-style:solid;border-color:var(--star);color:var(--star);background:var(--warn-soft)}.tag-star.on{border-style:solid;border-color:var(--star);background:var(--warn-soft);color:var(--star)}.doc-star{margin-left:auto;flex:0 0 auto;padding:4px 12px;border-radius:999px;border:1px dashed var(--border-strong);background:transparent;font-size:12px;font-weight:700;color:var(--text-3);transition:all .15s var(--ease)}.doc-star:hover:not(:disabled){border-style:solid;border-color:var(--star);color:var(--star);background:var(--warn-soft)}.doc-star.on{border-style:solid;border-color:var(--star);background:var(--warn-soft);color:var(--star)}.doc-star:disabled{opacity:.6;cursor:default}.point-chips{display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px;border-radius:12px;background:var(--surface-2);border:1px dashed var(--border-strong)}.chip.sm{padding:3px 9px;font-size:11.5px;font-weight:500;border-color:transparent;background:var(--surface);color:var(--text-2)}.chip.sm.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:none}.stat{display:flex;flex-direction:column;gap:2px;padding:14px 16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.stat .k{font-size:12px;color:var(--text-3);font-weight:500}.stat .v{font-size:24px;font-weight:700;letter-spacing:-.4px;font-variant-numeric:tabular-nums}.stat .d{font-size:11px;color:var(--text-3)}.stat.accent-blue .v{color:var(--primary-dark)}.stat.accent-red .v{color:var(--danger)}.stat.accent-green .v{color:var(--success)}.qcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;gap:12px;transition:border-color .15s var(--ease),box-shadow .15s var(--ease),transform .15s var(--ease);position:relative;overflow:hidden}.qcard:hover{border-color:#cfdcf8;box-shadow:var(--shadow)}.qcard.selected{border-color:var(--primary);box-shadow:0 0 0 3px #2f6bfb1f}.qcard:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--danger);opacity:.75}.qcard.mastered:before{background:var(--success)}.qcard.favonly:before{background:var(--star)}.qcard-main{flex:1;min-width:0}.qcard-stem{font-family:var(--font-serif);font-size:14.5px;line-height:1.75;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.qcard-meta{display:flex;align-items:center;gap:8px;margin-top:9px;flex-wrap:wrap}.qcard-actions{display:flex;flex-direction:column;gap:6px;flex:0 0 auto;justify-content:center}.options{display:flex;flex-direction:column;gap:9px}.option{display:flex;gap:11px;align-items:flex-start;padding:11px 14px;border-radius:var(--radius);border:1.5px solid var(--border);background:var(--surface);text-align:left;width:100%;transition:all .15s var(--ease);font-family:var(--font-serif);font-size:14.5px;line-height:1.7}.option:not(.locked):hover{border-color:#b9cbf5;background:#fbfcff;transform:translate(2px)}.option .key{width:24px;height:24px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;background:var(--surface-3);color:var(--text-2);font-size:12px;font-weight:700;font-family:var(--font);transition:all .15s var(--ease)}.option.chosen{border-color:var(--primary);background:var(--primary-soft)}.option.chosen .key{background:var(--primary);color:#fff}.option.correct{border-color:var(--success);background:var(--success-soft)}.option.correct .key{background:var(--success);color:#fff}.option.wrong{border-color:var(--danger);background:var(--danger-soft)}.option.wrong .key{background:var(--danger);color:#fff}.option .mark{margin-left:auto;font-size:12px;font-weight:700;font-family:var(--font);flex:0 0 auto}.option.correct .mark{color:var(--success)}.option.wrong .mark{color:var(--danger)}.option.locked{cursor:default}.reveal{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}.reveal.open{grid-template-rows:1fr}.reveal>.reveal-inner{overflow:hidden;min-height:0;opacity:0;transition:opacity .26s var(--ease) .04s}.reveal.open>.reveal-inner{opacity:1}.explain-box{margin-top:12px;padding:14px 16px;border-radius:var(--radius);background:linear-gradient(180deg,#f8faff,#f3f7ff);border:1px solid #dfe8fb}.explain-box .head{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--primary-dark);margin-bottom:8px}.explain-body{font-family:var(--font-serif);font-size:14.5px;line-height:1.9;color:#24304a;white-space:pre-wrap;word-break:break-word}.explain-empty{color:var(--text-3);font-family:var(--font);font-size:13px}.answer-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;padding:10px 14px;border-radius:var(--radius);background:var(--surface-2);border:1px dashed var(--border-strong)}.answer-line .label{font-size:12px;color:var(--text-3);font-weight:600}.answer-letter{font-size:17px;font-weight:700;color:var(--success);letter-spacing:1px}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:34px 20px;text-align:center;background:linear-gradient(180deg,#fbfcff,#f6f9ff);transition:all .18s var(--ease);cursor:pointer}.dropzone:hover{border-color:var(--primary);background:var(--primary-soft)}.dropzone.over{border-color:var(--primary);background:var(--primary-soft);transform:scale(1.005);box-shadow:0 0 0 5px #2f6bfb14}.dropzone .big{font-size:30px;line-height:1;margin-bottom:10px}.dropzone .title{font-weight:700;font-size:15px;margin-bottom:4px}.dropzone .desc{font-size:12.5px;color:var(--text-3);line-height:1.9}.kbd{display:inline-block;padding:1px 6px;border-radius:5px;border:1px solid var(--border-strong);border-bottom-width:2px;background:#fff;font-size:11px;font-weight:600;color:var(--text-2);font-family:ui-monospace,Menlo,monospace}.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.thumb{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff;aspect-ratio:4 / 3}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb .bar{position:absolute;left:0;right:0;bottom:0;padding:6px 8px;background:linear-gradient(0deg,#0e1423d1,#0e142300);color:#fff;font-size:11px}.thumb .badge{position:absolute;top:6px;left:6px;font-size:10px;padding:2px 7px;border-radius:20px;background:#ffffffeb;font-weight:700;color:var(--text-2)}.thumb .badge.ok{color:var(--success)}.thumb .badge.err{color:var(--danger)}.progress{height:6px;border-radius:6px;background:var(--surface-3);overflow:hidden;margin-top:6px}.progress>i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--primary),#6f4bff);transition:width .25s var(--ease)}.seg{display:flex;max-width:260px;width:100%;height:8px;border-radius:8px;overflow:hidden;background:var(--surface-3);gap:2px}.seg i{flex:1;background:#dae1ef;transition:background .2s var(--ease)}.seg i.ok{background:var(--success)}.seg i.bad{background:var(--danger)}.seg i.cur{background:var(--primary)}.qhead{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;flex-wrap:wrap}.stem-block{font-family:var(--font-serif);font-size:16px;line-height:1.95;color:#1a2333;white-space:pre-wrap;word-break:break-word}.result-banner{display:flex;align-items:center;gap:10px;padding:11px 15px;border-radius:var(--radius);font-weight:700;font-size:14px;animation:pop .26s var(--ease)}.result-banner.ok{background:var(--success-soft);color:var(--success)}.result-banner.bad{background:var(--danger-soft);color:var(--danger)}@keyframes pop{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#1219286b;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;padding:20px;animation:fade .16s var(--ease)}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:min(760px,100%);max-height:86dvh;display:flex;flex-direction:column;animation:rise .2s var(--ease)}@keyframes rise{0%{opacity:0;transform:translateY(12px) scale(.99)}to{opacity:1;transform:none}}.modal-head{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--border)}.modal-head h3{margin:0;font-size:15px;font-weight:700}.modal-body{padding:18px 20px;overflow:auto}.modal-foot{display:flex;gap:10px;justify-content:flex-end;padding:14px 20px;border-top:1px solid var(--border);background:var(--surface-2);border-radius:0 0 var(--radius-lg) var(--radius-lg)}.toasts{position:fixed;left:50%;bottom:26px;transform:translate(-50%);z-index:200;display:flex;flex-direction:column;align-items:center;gap:8px;width:max-content;max-width:min(340px,calc(100vw - 32px));pointer-events:none}.toast{background:#1d2740;color:#fff;padding:10px 16px;border-radius:10px;box-shadow:var(--shadow-lg);font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px;animation:toastIn .24s var(--ease);max-width:340px}.toast.ok{background:#10704a}.toast.err{background:#a52a2f}@keyframes toastIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.empty{text-align:center;padding:54px 20px;color:var(--text-3)}.empty .ico{font-size:38px;margin-bottom:12px;opacity:.85}.empty .t{font-size:15px;font-weight:600;color:var(--text-2);margin-bottom:6px}.empty .d{font-size:13px;line-height:1.9;max-width:420px;margin:0 auto 16px}.bar-row{display:grid;grid-template-columns:108px 1fr 52px;align-items:center;gap:10px;font-size:12.5px}.bar-row .name{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar-row .track{height:9px;border-radius:8px;background:var(--surface-3);overflow:hidden}.bar-row .track>i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#7ba0ff,var(--primary));transition:width .4s var(--ease)}.bar-row .num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;color:var(--text-2)}.point-row{display:grid;grid-template-columns:minmax(0,168px) minmax(0,1fr) 122px auto;align-items:center;gap:12px;font-size:12.5px}.point-row .name{color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.point-row .track{height:9px;border-radius:8px;background:var(--surface-3);overflow:hidden}.point-row .track>i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#b39cff,#7c5cf6);transition:width .4s var(--ease)}.point-row .num{text-align:right;color:var(--text-2);font-variant-numeric:tabular-nums}@media (max-width: 720px){.point-row{grid-template-columns:minmax(0,1fr) auto}.point-row .track,.point-row .num{display:none}}.review-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.review-head{display:flex;align-items:center;gap:9px;padding:11px 14px;background:var(--surface-2);border-bottom:1px solid var(--border);font-size:13px;font-weight:700}.review-body{padding:14px}.warn-list{margin:0;padding:10px 12px 10px 30px;border-radius:var(--radius-sm);background:var(--warn-soft);color:var(--warn);font-size:12.5px;line-height:1.85}.warn-list li::marker{color:var(--warn)}.opt-row{display:flex;gap:8px;align-items:center}.opt-key{width:30px;flex:0 0 auto;text-align:center;font-weight:700;color:var(--text-2);font-size:13px}.answer-picker{display:flex;gap:8px;flex-wrap:wrap}.answer-picker button{width:38px;height:38px;border-radius:10px;border:1.5px solid var(--border-strong);background:var(--surface);font-weight:700;color:var(--text-2);transition:all .15s var(--ease)}.answer-picker button:hover{border-color:var(--primary);color:var(--primary)}.answer-picker button.on{background:var(--success);border-color:var(--success);color:#fff;box-shadow:0 4px 12px #129e5a47}.mobile-only,.bottom-nav{display:none}@media (max-width: 860px){.app{flex-direction:column}.sidebar{display:none}.desktop-only{display:none!important}.mobile-only{display:flex}.page{padding:14px 14px 92px}.topbar{padding:12px 14px}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.qcard{flex-direction:column}.qcard-actions{flex-direction:row}.bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fffffff0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom));justify-content:space-around}.toasts{bottom:calc(78px + env(safe-area-inset-bottom))}.bottom-nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10.5px;color:var(--text-3);padding:6px 0;border-radius:10px;font-weight:600}.bottom-nav button.active{color:var(--primary);background:var(--primary-soft)}.bottom-nav .ico{font-size:17px}.modal{max-height:92dvh}.bar-row{grid-template-columns:84px 1fr 46px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}.sync-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-2);font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .15s var(--ease)}.sync-chip:hover{background:var(--surface-2)}.sync-chip .sync-dot{font-size:11px;line-height:1}.sync-chip.ok{color:var(--success);background:var(--success-soft);border-color:transparent}.sync-chip.bad{color:var(--danger);background:var(--danger-soft);border-color:transparent}.sync-chip.busy .sync-dot{display:inline-block;animation:sync-spin 1s linear infinite}@keyframes sync-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.sync-chip.busy .sync-dot{animation:none}}.field-hint{font-size:11.5px;color:var(--text-3);line-height:1.75}.error-line{padding:9px 12px;border-radius:var(--radius-sm);background:var(--danger-soft);color:var(--danger);font-size:12.5px;line-height:1.75}.seg-tabs{display:flex;gap:4px;padding:3px;border-radius:10px;background:var(--surface-3)}.seg-tabs button{flex:1;padding:7px 10px;border:none;border-radius:8px;background:transparent;color:var(--text-2);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s var(--ease),color .15s var(--ease)}.seg-tabs button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.link-btn{border:none;background:none;padding:0;font-family:inherit;font-size:12.5px;color:var(--primary);cursor:pointer}.link-btn:hover{text-decoration:underline}.pwd-wrap{position:relative;width:100%}.pwd-wrap .input{padding-right:44px}.pwd-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;border-radius:8px;background:none;color:var(--text-3);cursor:pointer;transition:color .15s var(--ease),background .15s var(--ease)}.pwd-eye:hover{color:var(--text);background:var(--surface-2)}.points-layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:14px;align-items:start}@media (max-width: 900px){.points-layout{grid-template-columns:1fr}}.points-aside{display:flex;flex-direction:column;max-height:calc(100vh - 200px);overflow:hidden}@media (max-width: 900px){.points-aside{max-height:none}}.points-list{overflow:auto;padding:8px 8px 10px;border-top:1px solid var(--border)}.points-group-head{display:flex;align-items:center;gap:6px;padding:8px 8px 4px;font-size:11.5px;font-weight:600;letter-spacing:.02em;color:var(--text-3)}.points-group-head .n{font-weight:400;opacity:.8}.points-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 9px;border-radius:9px;text-align:left;font-size:13px;color:var(--text-2);transition:background .15s var(--ease),color .15s var(--ease)}.points-item:hover{background:var(--surface-2);color:var(--text)}.points-item.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}.points-item .ico{flex:0 0 auto;font-size:11px;line-height:1;opacity:.85}.points-item .dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;border:1px solid var(--border-strong);background:transparent}.points-item .dot.on{background:var(--success);border-color:var(--success)}.points-item .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.points-item .n{flex:0 0 auto;font-size:11px;color:var(--text-3);background:var(--surface-3);border-radius:999px;padding:1px 7px}.point-note{margin-top:12px;padding-top:11px;border-top:1px dashed var(--border-strong)}.point-note .head{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:7px}.point-note-body{white-space:pre-wrap;font-size:13.5px;line-height:1.9;color:var(--text)}.point-note-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.module-add{display:flex;gap:10px;padding:16px 20px 6px}.module-add input{flex:1}.card .hint,.module-add+.hint{padding:0 20px 14px;font-size:12px;color:var(--text-3);margin-top:8px}.module-list{display:flex;flex-direction:column}.module-row{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border)}.module-row:last-child{border-bottom:none}.module-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0;flex-wrap:wrap}.module-name{font-weight:600;font-size:14px}.module-badge{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--bg-2, rgba(0, 0, 0, .05));color:var(--text-2);flex-shrink:0}.module-badge.builtin{background:#3b82f61f;color:var(--primary, #3b82f6)}.module-count{font-size:12px;color:var(--text-3)}.module-actions{display:flex;gap:8px;flex-shrink:0}.module-readonly{font-size:12px;color:var(--text-3)}.module-edit{flex:1;max-width:320px}.module-grip{color:var(--text-3);opacity:.55;cursor:grab;flex:0 0 auto;display:inline-flex;align-items:center;padding:4px 2px}.module-row[draggable=true]:hover .module-grip{opacity:1;color:var(--primary)}.module-row.dragging{opacity:.45}.module-row.drop-hint{box-shadow:inset 0 3px 0 var(--primary);background:var(--primary-soft)}@media (max-width: 720px){.module-row{flex-wrap:wrap}.module-actions{width:100%;justify-content:flex-end}}.build-tag{margin-top:8px;font-size:11px;color:var(--text-3);opacity:.8}.kb-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:14px;align-items:start}.kb-sidebar{position:sticky;top:14px;max-height:calc(100dvh - 150px);display:flex;flex-direction:column;overflow:hidden}.kb-tree{flex:1;overflow:auto;padding:2px 8px 12px}.kb-node-row{display:flex;align-items:center;gap:2px;border-radius:9px}.kb-node-row[draggable=true] .kb-node{cursor:grab}.kb-node .kb-node-kb{margin-left:auto;font-size:10.5px;flex-shrink:0}.kb-node-row.drop-into .kb-node{background:var(--primary-soft);outline:1.5px dashed var(--primary);outline-offset:-2px;border-radius:8px}.kb-node-row:hover{background:var(--surface-2)}.kb-node-row.active{background:var(--primary-soft)}.kb-node{flex:1;min-width:0;display:flex;align-items:center;gap:6px;padding:7px 8px;font-size:13px;color:var(--text-1);background:none;border:none;cursor:pointer;text-align:left}.kb-node-row.active .kb-node{color:var(--primary);font-weight:600}.kb-node .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kb-caret{flex:0 0 14px;width:14px;font-size:10px;color:var(--text-3);background:none;border:none;cursor:pointer;padding:0}.kb-doc-ico{font-size:12px;opacity:.75}.kb-node-add{opacity:0;border:none;background:none;color:var(--text-3);cursor:pointer;font-size:14px;padding:2px 7px;border-radius:6px;flex-shrink:0}.kb-node-row:hover .kb-node-add{opacity:1}.kb-node-add:hover{color:var(--primary);background:var(--primary-soft)}.kb-kids{margin-left:17px;padding-left:6px;border-left:1px solid var(--border)}.kb-kb-tag{margin-left:auto;font-size:10.5px;color:var(--text-3);flex-shrink:0}.kb-empty{padding:26px 12px;font-size:12.5px;color:var(--text-3);text-align:center}.kb-breadcrumb{font-size:12px;color:var(--text-3)}.kb-doc-title{margin:0;font-size:22px;font-weight:700;line-height:1.4}.kb-doc-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--text-3)}.kb-doc-body{white-space:pre-wrap;font-size:14px;line-height:2;color:var(--text-1)}.kb-related-item{font-size:12.5px;color:var(--text-2);padding:7px 10px;border-radius:9px;background:var(--surface-2);border:1px solid var(--border)}.kb-select{min-width:0}@media (max-width: 860px){.kb-layout{grid-template-columns:1fr}.kb-sidebar{position:static;max-height:340px}}.kb-rich-content{font-size:14px;line-height:1.95;color:var(--text-1)}.kb-rich-content p{margin:0 0 8px}.kb-rich-content h1,.kb-rich-content h2,.kb-rich-content h3{margin:14px 0 8px;font-weight:700;line-height:1.4}.kb-rich-content h1{font-size:18px}.kb-rich-content h2{font-size:16px}.kb-rich-content h3{font-size:14.5px}.kb-rich-content ul,.kb-rich-content ol{margin:0 0 8px;padding-left:22px}.kb-rich-content li{margin-bottom:4px}.kb-rich-content blockquote{margin:0 0 8px;padding:6px 12px;border-left:3px solid var(--primary);background:var(--surface-2);border-radius:0 8px 8px 0;color:var(--text-2)}.kb-editor-shell{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}.kb-toolbar{display:flex;align-items:center;gap:2px;padding:6px 8px;border-bottom:1px solid var(--border);background:var(--surface-2);flex-wrap:wrap}.kb-tb-btn{min-width:28px;height:26px;padding:0 6px;border:none;background:none;border-radius:6px;cursor:pointer;font-size:12.5px;color:var(--text-2)}.kb-tb-btn:hover{background:var(--primary-soft);color:var(--primary)}.kb-tb-sep{width:1px;height:16px;background:var(--border);margin:0 4px}.kb-rich-editor{padding:12px 14px;max-height:52vh;overflow:auto;outline:none}.kb-rich-editor:empty:before{content:attr(data-placeholder);color:var(--text-3);white-space:pre-wrap}.kb-rich-editor:focus{box-shadow:inset 0 0 0 2px var(--primary-soft)}.icon-btn.kb-act{font-size:15px}.icon-btn.kb-act svg{display:block}.icon-btn.kb-act.active{background:var(--primary-soft);color:var(--primary)}.kb-rich-content .katex-display{margin:10px 0;overflow-x:auto;overflow-y:hidden}.kb-rich-content pre{background:var(--surface-3);border:1px solid var(--border);border-radius:8px;padding:10px 12px;overflow-x:auto}.kb-rich-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}.kb-menu-wrap{position:relative}.kb-menu{position:absolute;right:0;top:calc(100% + 6px);min-width:132px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);padding:4px;z-index:40}.kb-menu button{display:block;width:100%;text-align:left;padding:8px 12px;font-size:13px;border:none;background:none;border-radius:7px;cursor:pointer;color:var(--text-1)}.kb-menu button:hover{background:var(--surface-2)}.kb-menu button.danger{color:var(--danger)}.kb-search-trigger{cursor:pointer;text-align:left;color:var(--text-3);display:block;width:100%}.kb-search-trigger:hover{border-color:var(--primary)}.kb-search-item{display:flex;flex-direction:column;align-items:stretch;gap:4px;width:100%;padding:9px 12px;font-size:13px;color:var(--text-1);background:none;border:1px solid var(--border);border-radius:9px;cursor:pointer;text-align:left}.kb-search-item:hover{border-color:var(--primary);background:var(--primary-soft)}.kb-search-item .kb-search-main{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%}.kb-search-item .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kb-search-item .kb-search-snip{color:var(--text-3);font-size:12px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kb-search-item mark{background:#3b82f638;color:inherit;border-radius:3px;padding:0 1px}.kb-vditor .vditor{border-radius:10px;border-color:var(--border-strong);background:var(--surface)}.kb-vditor .vditor-toolbar{background:var(--surface-2);border-bottom-color:var(--border);padding:2px 4px}.kb-vditor .vditor-toolbar__item{padding:4px}.kb-vditor .vditor-toolbar__item svg{fill:var(--text-2)}.kb-vditor .vditor-toolbar__item:hover svg{fill:var(--primary)}.kb-vditor .vditor-reset{font-size:13.5px;line-height:1.75;color:var(--text-1)}.kb-vditor .vditor-ir pre.vditor-reset{padding:12px 14px;background:transparent}.kb-vditor .vditor-ir pre.vditor-reset:focus{background:transparent}.idiom-page{display:flex;flex-direction:column;gap:14px}.idiom-search{position:relative;padding:14px 16px}.idiom-search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:12px;padding:8px 12px;background:#fff;transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}.idiom-search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #2f6bfb1f}.idiom-search-ico{font-size:14px;opacity:.7;flex:0 0 auto}.idiom-search-box input{flex:1;border:none;outline:none;background:transparent;font-size:15px;padding:4px 0}.idiom-clear{flex:0 0 auto;width:22px;height:22px;border-radius:50%;color:var(--text-3);background:var(--surface-3);line-height:1;font-size:15px}.idiom-clear:hover{color:var(--text)}.idiom-search-hint{margin-top:8px;font-size:12px;color:var(--text-3);min-height:16px}.idiom-err{color:#d64545}.idiom-suggest{position:absolute;left:16px;right:16px;top:62px;z-index:30;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 16px 36px #0f172a24;max-height:320px;overflow:auto;padding:6px}.idiom-suggest-item{display:flex;align-items:baseline;gap:10px;width:100%;text-align:left;padding:8px 10px;border-radius:8px;color:var(--text)}.idiom-suggest-item b{font-size:15px;font-weight:600;letter-spacing:.5px}.idiom-suggest-item span{font-size:12px;color:var(--text-3)}.idiom-suggest-item.active,.idiom-suggest-item:hover{background:var(--primary-soft)}.idiom-body{display:grid;grid-template-columns:300px minmax(0,1fr);gap:14px;align-items:start}.idiom-side{padding:0;overflow:hidden;position:sticky;top:78px}.idiom-tabs{display:flex;border-bottom:1px solid var(--border)}.idiom-tabs button{flex:1;padding:12px 0;font-size:13px;font-weight:600;color:var(--text-3);border-bottom:2px solid transparent}.idiom-tabs button.active{color:var(--primary-dark);border-bottom-color:var(--primary)}.idiom-side-list{max-height:60vh;overflow:auto;padding:6px}.idiom-side-item{display:grid;grid-template-columns:1fr auto;grid-template-areas:"word count" "py count";gap:2px 8px;width:100%;text-align:left;padding:9px 10px;border-radius:9px;color:var(--text)}.idiom-side-item b{grid-area:word;font-size:14px;font-weight:600}.idiom-side-item span{grid-area:py;font-size:11px;color:var(--text-3)}.idiom-side-item em{grid-area:count;align-self:center;font-style:normal;font-size:11px;color:var(--primary-dark);background:var(--primary-soft);border-radius:20px;padding:2px 8px}.idiom-side-item:hover,.idiom-side-item.active{background:var(--primary-soft)}.idiom-detail{padding:20px 22px;min-height:360px}.idiom-placeholder{padding:40px 10px;text-align:center;color:var(--text-3)}.idiom-placeholder .ico{font-size:34px}.idiom-placeholder .t{margin-top:10px;font-size:15px;font-weight:600;color:var(--text-2)}.idiom-placeholder .d{margin-top:6px;font-size:13px;line-height:1.7}.idiom-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px dashed var(--border)}.idiom-head h2{margin:0;font-size:26px;letter-spacing:2px}.idiom-pinyin{margin-top:4px;font-size:13px;color:var(--text-3);letter-spacing:.4px}.idiom-actions{display:flex;gap:8px;flex-wrap:wrap}.idiom-sections{display:flex;flex-direction:column;gap:14px;padding:16px 0}.idiom-sections h4{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--primary-dark);letter-spacing:.5px}.idiom-sections p{margin:0;font-size:14px;line-height:1.85;color:var(--text)}.idiom-links{border-top:1px solid var(--border);padding-top:12px}.idiom-links-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.idiom-links-head h4{margin:0;font-size:13px;font-weight:700}.idiom-link-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;background:var(--surface-3);margin-bottom:6px}.idiom-link-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.idiom-link-stem{font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.idiom-link-meta{font-size:11px;color:var(--text-3)}.idiom-link-actions{display:flex;gap:6px;flex-shrink:0}.idiom-links-empty{font-size:12px;color:var(--text-3);line-height:1.7;padding:6px 2px}.idiom-side-empty{padding:18px 12px;font-size:12px;line-height:1.7;color:var(--text-3);text-align:center}.idiom-modal-search{width:100%;margin-bottom:10px}.idiom-modal-list{max-height:44vh;overflow:auto;border:1px solid var(--border);border-radius:10px}.idiom-modal-row{display:flex;align-items:center;gap:8px;padding:9px 10px;border-bottom:1px solid var(--border);cursor:pointer}.idiom-modal-row:last-child{border-bottom:none}.idiom-modal-row.checked{background:var(--primary-soft)}.idiom-modal-row .stem{flex:1;min-width:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.idiom-modal-row .meta{font-size:11px;color:var(--text-3);flex-shrink:0}.idiom-modal-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;font-size:12px;color:var(--text-3)}.idiom-modal-foot>div{display:flex;gap:8px}@media (max-width: 980px){.idiom-body{grid-template-columns:1fr}.idiom-side{position:static}.idiom-side-list{max-height:240px}}.material-block{margin-bottom:10px;padding:10px 14px 12px;border:1px dashed var(--border);border-radius:10px;background:var(--surface-2);font-size:13.5px;line-height:1.85;color:var(--text-2)}.material-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}.material-block .material-tag,.material-missing .material-tag{font-size:11px;font-weight:700;color:var(--primary-dark);background:var(--primary-soft);border-radius:6px;padding:2px 7px}.material-page{font-size:11.5px;color:var(--text-3)}.material-head .mat-act{margin-left:0}.material-head .mat-act:first-of-type{margin-left:auto}.material-body{white-space:pre-wrap;word-break:break-word}.material-img{display:block;width:100%;height:auto;margin-top:10px;border:1px solid var(--border);border-radius:8px;background:#fff}.material-missing{margin-bottom:10px;padding:10px 14px 12px;border:1px dashed color-mix(in srgb,var(--warn, #d97706) 45%,var(--border));border-radius:10px;background:color-mix(in srgb,var(--warn, #d97706) 7%,transparent)}.material-missing-tip{font-size:12.5px;color:var(--text-2);line-height:1.6}.material-missing-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.doc-upload{padding:16px;margin-bottom:18px}.doc-upload-actions{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}.doc-list{display:flex;flex-direction:column}.doc-row{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border)}.doc-row:last-child{border-bottom:none}.doc-row-grip{color:var(--text-3);opacity:.55;cursor:grab;flex:0 0 auto;display:inline-flex;align-items:center;padding:4px 2px}.doc-row[draggable=true]:hover .doc-row-grip{opacity:1;color:var(--primary)}.doc-row.dragging{opacity:.45}.doc-row.drop-hint{box-shadow:inset 0 3px 0 var(--primary);background:var(--primary-soft)}.doc-row-ico{flex:0 0 auto;width:40px;height:46px;border-radius:8px;background:linear-gradient(160deg,#ff7a6b,#e5484d);color:#fff;font-size:10px;font-weight:800;letter-spacing:.5px;display:grid;place-items:center;box-shadow:0 4px 12px #e5484d3d}.doc-row-main{flex:1;min-width:0}.doc-row-title{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-row-meta{margin-top:3px;font-size:12px;color:var(--text-3)}.doc-row-actions{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap;justify-content:flex-end}.doc-row-files{margin-top:5px;display:flex;gap:6px;flex-wrap:wrap}.file-tag{font-size:11px;line-height:1.6;padding:1px 7px;border-radius:999px;border:1px solid var(--border);color:var(--text-3);white-space:nowrap}.file-tag.ok{color:#0a7d4b;border-color:#108f5a59;background:#108f5a1a}.file-tag.warn{color:#a35b00;border-color:#d6801159;background:#d680111a}.file-tag.dim{color:var(--text-3)}.doc-empty{padding:46px 16px;text-align:center;color:var(--text-3)}.doc-empty .ico{font-size:34px}.doc-empty .t{margin-top:10px;font-size:15px;font-weight:600;color:var(--text-2)}.doc-empty .d{margin-top:6px;font-size:12.5px;line-height:1.7}.doc-modal-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;font-size:12px;color:var(--text-3)}.doc-modal-foot>div{display:flex;gap:8px}.doc-runner{display:flex;flex-direction:column;gap:14px}.doc-run-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 14px;border-radius:12px;background:#fff;border:1px solid var(--border);position:sticky;top:0;z-index:20;box-shadow:0 6px 18px #0f172a0d}.doc-run-title{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.doc-run-title b{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-run-title span{font-size:11.5px;color:var(--text-3)}.doc-run-actions{display:flex;gap:6px;flex-wrap:wrap}.doc-question{padding:18px 20px}.doc-q-head,.doc-q-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}.doc-q-no{font-size:13px;font-weight:700;color:var(--primary-dark);background:var(--primary-soft);border-radius:6px;padding:2px 8px}.doc-q-stem{font-size:15px;line-height:1.9;white-space:pre-wrap;color:var(--text)}.doc-figure{display:block;width:100%;max-width:620px;height:auto;margin-top:10px;border:1px solid var(--border);border-radius:8px;background:#fff}.doc-figure-hint{margin-top:10px;padding:18px 14px;border:1px dashed var(--border);border-radius:8px;font-size:13px;color:var(--text-2);text-align:center}.doc-options.keys-only{flex-direction:row;flex-wrap:wrap;gap:10px}.doc-options.keys-only .doc-option{width:auto;min-width:74px;justify-content:center;align-items:center;padding:12px 18px}.doc-options.keys-only .doc-option-text{font-size:13px}.doc-options{display:flex;flex-direction:column;gap:10px;margin-top:14px}.doc-option{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;padding:11px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;transition:border-color .14s var(--ease),background .14s var(--ease),box-shadow .14s var(--ease)}.doc-option:hover{border-color:var(--primary);background:#2f6bfb0a}.doc-option-key{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--border);display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--text-2);background:var(--surface-2)}.doc-option-text{font-size:14px;line-height:1.75;color:var(--text)}.doc-option.picked{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 2px #2f6bfb1f}.doc-option.picked .doc-option-key{background:var(--primary);border-color:var(--primary);color:#fff}.doc-option.right{border-color:#16a34a;background:#16a34a14}.doc-option.right .doc-option-key{background:#16a34a;border-color:#16a34a;color:#fff}.doc-option.wrong{border-color:#e5484d;background:#e5484d12}.doc-option.wrong .doc-option-key{background:#e5484d;border-color:#e5484d;color:#fff}.doc-opt-line{display:flex;align-items:center;gap:8px}.doc-opt-line .doc-option{flex:1 1 auto;min-width:0}.doc-opt-note-btn{flex:0 0 auto;padding:4px 9px;font-size:12px;line-height:1.4;color:var(--text-3, #8792a8);background:transparent;border:1px dashed var(--border-strong, #cfd7e6);border-radius:999px;cursor:pointer;white-space:nowrap;transition:color .14s var(--ease),border-color .14s var(--ease),background .14s var(--ease)}.doc-opt-note-btn:hover{color:var(--primary, #2f6bfb);border-color:var(--primary, #2f6bfb);background:var(--primary-soft, #eaf0ff)}.doc-opt-note-btn.on{color:var(--primary-dark, #2456c4);border-style:solid;border-color:transparent;background:var(--primary-soft, #eaf0ff)}.doc-opt-note{display:flex;align-items:flex-start;gap:6px;width:auto;max-width:100%;margin:6px 0 0 34px;padding:2px 6px 2px 0;border:none;border-radius:8px;background:transparent;font:inherit;font-size:12.5px;line-height:1.7;color:var(--text-2, #4b5567);text-align:left;cursor:pointer;transition:background .14s var(--ease)}.doc-opt-note:hover{background:var(--surface-3, #f3f5f9)}.doc-opt-note-edit-hint{flex:0 0 auto;margin-left:2px;font-size:11px;color:var(--primary, #2f6bfb);opacity:.55;transition:opacity .14s var(--ease)}.doc-opt-note:hover .doc-opt-note-edit-hint,.doc-opt-note:focus-visible .doc-opt-note-edit-hint{opacity:1}.doc-opt-note:focus-visible{outline:2px solid var(--primary, #2f6bfb);outline-offset:1px}.doc-opt-note-tag{flex:0 0 auto;padding:1px 6px;border-radius:6px;font-size:11px;font-weight:600;color:var(--text-3, #8792a8);background:var(--surface-3, #f3f5f9)}.doc-opt-note-text{white-space:pre-wrap;word-break:break-word}.doc-opt-note-edit{margin:8px 0 2px 34px}.doc-opt-note-edit textarea{width:100%;min-height:64px}.doc-opt-note-edit .fb-open{margin-top:6px}.doc-feedback{margin-top:14px;margin-bottom:16px;padding:10px 12px;border-radius:9px;font-size:13px}.doc-feedback.ok{background:#16a34a1a;color:#166534}.doc-feedback.err{background:#e5484d1a;color:#9f1239}.doc-explanation{margin-top:10px;padding:10px 12px;border-radius:9px;background:var(--surface-3, #f3f5f9);border-left:3px solid var(--primary, #2f6bfb);font-size:13px;line-height:1.75;white-space:pre-wrap;word-break:break-word;color:var(--text-2, #4a5568)}.doc-explanation b{display:block;margin-bottom:4px;color:var(--primary, #2f6bfb);font-size:12.5px}.doc-wrong-list{display:flex;flex-direction:column}.doc-wrong-row{display:flex;align-items:center;gap:10px;padding:10px 20px;border-bottom:1px solid var(--border);text-align:left;width:100%}.doc-wrong-row:last-child{border-bottom:none}.doc-wrong-row:hover{background:var(--surface-2)}.doc-wrong-no{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:#e5484d1f;color:#b42318;font-size:12px;font-weight:700;display:grid;place-items:center}.doc-wrong-stem{flex:1;min-width:0;font-size:13px;line-height:1.6;color:var(--text-2);white-space:normal;word-break:break-word}.doc-wrong-ans{font-size:12px;color:var(--text-3);flex-shrink:0}.doc-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:8px}.doc-card-group+.doc-card-group{margin-top:14px}.doc-card-sec{font-size:12px;font-weight:600;color:var(--text-2);margin:0 0 6px 2px}.doc-card-cell{height:42px;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:13px;font-weight:600;color:var(--text-2)}.doc-card-cell.ok{background:#16a34a1f;border-color:#16a34a66;color:#166534}.doc-card-cell.err{background:#e5484d1f;border-color:#e5484d66;color:#b42318}.doc-card-cell.done{background:var(--primary-soft);border-color:#2f6bfb59;color:var(--primary-dark)}.doc-card-cell.current{outline:2px solid var(--primary);outline-offset:1px}.doc-card-legend{display:flex;gap:16px;margin-top:12px;font-size:12px;color:var(--text-3);flex-wrap:wrap}.doc-card-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}.doc-card-legend i.ok{background:#16a34a99}.doc-card-legend i.err{background:#e5484d99}.doc-card-legend i.done{background:#2f6bfb80}.doc-finish{text-align:center;padding:8px 0 4px}.doc-finish-num{font-size:42px;font-weight:800;color:var(--primary);line-height:1.1}.doc-finish-sub{margin-top:4px;font-size:12.5px;color:var(--text-3)}.doc-finish-grid{display:flex;justify-content:center;gap:18px;margin-top:14px;font-size:13px;color:var(--text-2)}.doc-finish-grid .ok{color:#166534}.doc-finish-grid .err{color:#b42318}@media (max-width: 720px){.doc-row{flex-wrap:wrap}.doc-row-actions{width:100%}.doc-run-title{order:3;flex-basis:100%}}.fb-panel{border:1px solid var(--border);border-radius:var(--radius-sm, 8px);background:var(--surface-2, #f7f9fd);overflow:hidden}.fb-head{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--primary-soft, #eaf0ff)}.fb-title{font-weight:600;font-size:13px;color:var(--primary, #2f6bfb)}.fb-source{font-size:12px;color:var(--text-3, #8792a8);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}.fb-close{margin-left:auto;border:none;background:none;font-size:18px;line-height:1;color:var(--text-3, #8792a8);cursor:pointer;padding:0 4px}.fb-close:hover{color:var(--text, #172033)}.fb-body{padding:14px 16px;display:flex;flex-direction:column;gap:14px;font-size:14px;line-height:1.75;color:var(--text, #172033)}.fb-material{padding:8px 10px;background:var(--surface-3, #eef2fa);border-radius:6px;font-size:13px;color:var(--text-2, #4a5670)}.fb-stem em,.fb-material em,.fb-analysis em{font-style:normal;color:var(--primary, #2f6bfb);font-weight:600}.fb-stem{position:relative;padding:10px 12px;background:var(--surface-3, #eef2fa);border-radius:8px;font-size:13.5px;color:var(--text-2, #4a5670)}.fb-stem-tag{display:inline-block;margin-right:8px;padding:1px 7px;border-radius:5px;background:var(--primary-soft, #eaf0ff);color:var(--primary-dark, #2456c4);font-size:11px;font-weight:700;vertical-align:1px}.fb-answer{font-size:13.5px;color:var(--success, #129e5a)}.fb-keypoints{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.fb-similar{display:flex;flex-direction:column;gap:8px}.fb-similar-item{display:block;padding:10px 12px;border:1px solid var(--border, #e3e8f2);border-radius:8px;text-decoration:none;color:inherit;transition:border-color .2s,background .2s}.fb-similar-item:hover{border-color:var(--accent, #4f7cff);background:var(--accent-soft, rgba(79, 124, 255, .06))}.fb-similar-stem{font-size:13px;line-height:1.5;color:var(--text, #1a2233);margin-bottom:4px}.fb-similar-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted, #667085)}.fb-similar-source{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fb-similar-video{color:var(--accent, #4f7cff);font-weight:500}.fb-answer b{font-size:15px;letter-spacing:2px}.fb-analysis{border-top:1px dashed var(--border, #e3e8f2);padding-top:10px}.fb-analysis p{margin:0 0 8px}.fb-analysis img,.fb-stem img{max-width:100%;height:auto;vertical-align:middle;margin:0 2px}.fb-point-tags{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px;font-weight:600}.fb-point-tags .tag-x{border:none;background:none;color:inherit;font-size:13px;line-height:1;cursor:pointer;padding:0 2px;opacity:.65}.fb-point-tags .tag-x:hover{opacity:1}.fb-msg{font-size:13px;border-radius:6px;padding:8px 10px}.fb-msg.warn{background:var(--warn-soft, #fdf4e3);color:var(--warn, #c47f17)}.fb-msg.err{background:var(--danger-soft, #fdecec);color:var(--danger, #e5484d)}.fb-hint{font-size:12.5px;color:var(--text-3, #8792a8)}.fb-hint code{background:var(--surface-3, #eef2fa);border-radius:4px;padding:1px 6px;font-size:12px}.fb-cookie-row{display:flex;gap:8px;align-items:center}.fb-raw pre{max-height:260px;overflow:auto;font-size:12px;background:var(--surface-3, #eef2fa);border-radius:6px;padding:10px;white-space:pre-wrap;word-break:break-all}.fb-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px dashed var(--border, #e3e8f2);padding-top:8px;font-size:12px;color:var(--text-3, #8792a8)}.fb-foot a{color:var(--primary, #2f6bfb);text-decoration:none}.fb-foot a:hover{text-decoration:underline}.doc-link-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:10px 0 2px;padding:8px 10px;border-radius:9px;background:var(--surface-2, #f6f8fc);font-size:12.5px}.doc-link-key{flex:0 0 auto;padding:1px 7px;border-radius:6px;background:var(--primary-soft, #eaf0ff);color:var(--primary-dark, #1f4fd0);font-weight:600;font-size:11.5px}.doc-link-val{color:var(--text-2, #4a5568);margin-right:6px}.doc-link-val.has{color:var(--danger, #e5484d);font-weight:600}.doc-link-detail{margin-top:8px;display:flex;flex-direction:column;gap:10px}.doc-link-sec{padding:10px 12px;border:1px solid var(--border, #e3e8f2);border-radius:10px;background:var(--surface, #fff)}.doc-link-title{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:12.5px;font-weight:700;color:var(--text, #2a3245)}.doc-link-wrong-list{display:flex;flex-direction:column;gap:6px}.doc-link-wrong{display:flex;align-items:flex-start;gap:10px;width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border, #e3e8f2);background:var(--surface-2, #f6f8fc);text-align:left;cursor:pointer}.doc-link-wrong:hover{border-color:var(--primary, #2f6bfb)}.doc-link-wrong-stem{flex:1;min-width:0;font-size:12.5px;line-height:1.6;color:var(--text-2, #4a5568);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.doc-link-wrong-ans{flex:0 0 auto;font-size:12px;color:var(--text-3, #8a93a6)}.fb-set-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:8px}.fb-set-row .btn{flex-shrink:0}.fb-sec{padding-bottom:18px;border-bottom:1px dashed var(--border, #e3e8f2)}.fb-sec+.fb-sec{padding-top:4px}.fb-sec:last-child{border-bottom:none;padding-bottom:0}.fb-sec-title{display:flex;align-items:center;gap:8px;font-size:15.5px;font-weight:800;letter-spacing:.3px;color:var(--primary, #2f6bfb);margin-bottom:10px}.fb-sec-title .fb-sec-add{margin-left:2px;background:var(--primary-soft, #e8f0ff);border-color:transparent;color:var(--primary, #2f6bfb);font-weight:600}.fb-sec-title .fb-sec-add:hover{background:#dbe8ff;color:var(--primary, #2f6bfb)}.fb-point-card{background:var(--surface, #fff);border:1px solid var(--border, #e3e8f2);border-radius:10px;padding:12px 14px}.fb-point-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--text, #172033);padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid var(--border, #e3e8f2)}.fb-point-dot{width:8px;height:8px;border-radius:50%;background:var(--primary, #2f6bfb);flex:0 0 auto}.fb-point-dot.warn{background:var(--warn, #d97706)}.fb-point-actions{margin-left:auto;display:flex;gap:6px}.fb-point-edit textarea,.fb-point-edit .fb-open{margin-top:8px}.fb-point-edit .input{margin-top:8px;width:100%}.fb-point-pick-row{display:flex;align-items:flex-start;gap:8px;margin-top:8px}.fb-point-pick-row .input{margin-top:0;flex:1;min-width:0}.fb-point-combo{position:relative;flex:1 1 240px;min-width:0}.fb-point-combo>.input{width:100%}.fb-point-combo-list{margin-top:6px;max-height:190px;overflow-y:auto;padding:4px;border:1px solid var(--border, #e2e8f2);border-radius:10px;background:var(--surface, #fff);box-shadow:0 6px 16px #14234614}.fb-point-combo-item{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border:none;border-radius:7px;background:transparent;color:var(--text, #1f2937);font:inherit;font-size:13px;text-align:left;cursor:pointer}.fb-point-combo-item.active,.fb-point-combo-item:hover{background:var(--primary-soft, #eaf0ff);color:var(--primary-dark, #2456c4)}.fb-point-combo-name{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fb-point-combo-cat{flex:0 0 auto;padding:1px 7px;border-radius:999px;font-size:11px;color:var(--text-3, #8792a8);background:var(--surface-3, #f3f5f9)}.fb-point-combo-empty{padding:8px 10px;font-size:12.5px;line-height:1.6;color:var(--text-3, #8792a8)}.fb-point-cat{font-size:11px;font-weight:600;color:var(--primary-dark, #2456c4);background:var(--primary-soft, #eaf0ff);border-radius:999px;padding:2px 8px;white-space:nowrap}.fb-point-empty{font-size:13px;color:var(--text-3, #8792a8);line-height:1.7}.fb-wrong-list{display:flex;flex-direction:column;gap:8px}.fb-wrong-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid var(--border, #e3e8f2);background:var(--surface-2, #f7f9fd);border-radius:8px;padding:8px 10px;cursor:pointer;font-size:13px;color:var(--text, #172033)}.fb-wrong-item:hover{border-color:var(--primary, #2f6bfb)}.fb-wrong-stem{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fb-wrong-ans{flex:0 0 auto;font-size:12px;color:var(--text-3, #8792a8)}@media (max-width: 720px){.fb-sec{padding-bottom:14px}.fb-sec-title{font-size:14.5px;margin-bottom:8px}}.fb-kw-row{display:flex;align-items:center;gap:8px}.fb-kw-label{font-size:12.5px;color:var(--text-3, #8792a8);flex:0 0 auto}.fb-open{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}.fb-open .btn{text-decoration:none}.fb-match{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px}.fb-match-actions{margin-left:auto;display:inline-flex;align-items:center;gap:6px}.fb-speak{display:inline-flex;align-items:center;gap:4px}.fb-speak-prog{font-size:11px;font-variant-numeric:tabular-nums;color:var(--text-3, #8b95a7)}.fb-speak-stop{padding:5px 8px;font-size:11px;line-height:1.2;color:var(--text-3, #8b95a7);border-radius:8px}.fb-speak-stop:hover{color:var(--danger, #d64550)}.fb-hint a{color:var(--primary, #2f6bfb)}@media (max-width: 720px){.fb-head{flex-wrap:wrap}}
