@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,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:"0.18.1"}.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 .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}:root{--oj-bg: #eef4fb;--oj-surface: rgba(255, 255, 255, .72);--oj-surface-solid: #ffffff;--oj-surface-soft: rgba(248, 250, 252, .72);--oj-glass-strong: rgba(255, 255, 255, .82);--oj-glass-faint: rgba(255, 255, 255, .56);--oj-border: rgba(148, 163, 184, .24);--oj-border-strong: rgba(148, 163, 184, .36);--oj-text: #111827;--oj-text-secondary: #374151;--oj-muted: #6b7280;--oj-muted-light: #94a3b8;--oj-primary: #1677ff;--oj-primary-soft: #eaf3ff;--oj-success: #2f7d32;--oj-danger: #b42318;--oj-warning: #b7791f;--oj-navy: rgba(0, 21, 41, .92);--oj-shadow: 0 18px 46px rgba(30, 41, 59, .12);--oj-shadow-soft: 0 10px 30px rgba(30, 41, 59, .08);--oj-radius: 14px}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#ffffffeb,#eff6ffe0 42%,#f5f8fcf0),repeating-linear-gradient(90deg,rgba(37,99,235,.035) 0,rgba(37,99,235,.035) 1px,transparent 1px,transparent 48px),repeating-linear-gradient(0deg,rgba(37,99,235,.025) 0,rgba(37,99,235,.025) 1px,transparent 1px,transparent 48px),var(--oj-bg);background-attachment:fixed;color:var(--oj-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}a{color:var(--oj-primary);font-weight:500}a:hover{color:#0958d9}.app-shell{min-height:100vh;background:transparent}.app-header{display:flex;align-items:center;height:64px;padding:0;background:var(--oj-navy);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 14px 34px #0f172a2e;backdrop-filter:blur(22px) saturate(1.25);-webkit-backdrop-filter:blur(22px) saturate(1.25)}.brand{color:#fff;font-size:22px;font-weight:800;letter-spacing:0;padding:0 24px;white-space:nowrap}.app-nav.ant-menu-dark{background:transparent;min-width:0}.app-nav.ant-menu-dark.ant-menu-horizontal{border-bottom:0}.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item,.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-submenu{height:64px;line-height:64px;padding-inline:18px;color:#cbd5e1;font-size:16px;font-weight:700}.app-nav .nav-more-icon{color:#dbe7f3;transform:translateY(2px)}.app-nav .nav-more-label{color:#dbe7f3;font-weight:800}.app-nav .ant-menu-submenu:hover .nav-more-icon,.app-nav .ant-menu-submenu:hover .nav-more-label,.app-nav .ant-menu-submenu-selected .nav-more-icon,.app-nav .ant-menu-submenu-selected .nav-more-label{color:#fff}.nav-overflow-indicator{display:inline-flex;align-items:center;gap:6px;min-width:58px;color:#e7eef6;font-weight:800;line-height:64px}.nav-overflow-indicator>.anticon{position:static;color:#e7eef6!important;font-size:18px;transform:translateY(1px)}.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-overflow-item-rest{padding-inline:16px;background:#ffffff0f}.app-nav-more-popup .ant-menu{min-width:168px;padding:8px;background:#fffffff5!important;border:1px solid rgba(148,163,184,.2);border-radius:12px;box-shadow:0 16px 38px #0f172a2e}.app-nav-more-popup .ant-menu-item{min-height:42px;margin:2px 0;color:var(--oj-text-secondary);font-weight:700;border-radius:8px}.app-nav-more-popup .ant-menu-item a{color:#334155!important}.app-nav-more-popup .ant-menu-item .anticon{color:#64748b;font-size:17px}.app-nav-more-popup .ant-menu-item:hover,.app-nav-more-popup .ant-menu-item-selected{color:var(--oj-primary);background:#eff6ff!important}.app-nav-more-popup .ant-menu-item:hover a,.app-nav-more-popup .ant-menu-item-selected a{color:var(--oj-primary)!important}.app-nav-more-popup .ant-menu-item:hover .anticon,.app-nav-more-popup .ant-menu-item-selected .anticon{color:var(--oj-primary)}.coin-balance{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 10px;color:#fff3c4;line-height:1;background:#ffffff17;border:1px solid rgba(255,224,138,.26);border-radius:10px;box-shadow:inset 0 1px #ffffff14}.coin-balance .anticon{color:#f6c453;font-size:15px}.coin-balance>span:not(.anticon){color:#ffffffb8;font-size:12px;font-weight:600}.coin-balance strong{color:#fff7d6;font-size:15px;font-variant-numeric:tabular-nums}.coin-amount{display:inline-flex;align-items:center;gap:6px;min-height:30px;padding:4px 9px;color:#9a5b00;line-height:1;background:#fff8e8;border:1px solid #f5daa1;border-radius:9px;white-space:nowrap}.coin-amount .anticon{color:#d88b00;font-size:15px}.coin-amount strong{font-size:14px;font-variant-numeric:tabular-nums}.coin-amount.is-compact{min-height:26px;padding:3px 8px}.coin-reward{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:fit-content;margin:2px auto 18px;padding:9px 14px;color:#64748b;font-weight:800;background:#94a3b81f;border-radius:999px}.coin-reward.is-earned{color:#9a6700;background:linear-gradient(135deg,#fde68ab8,#fef3c7d6);box-shadow:0 8px 24px #f59e0b2e}.app-nav.ant-menu-dark .ant-menu-item .anticon,.app-nav.ant-menu-dark .ant-menu-submenu .anticon{color:#b6c2d0;font-size:18px}.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item-selected,.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item-active,.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item:hover{color:#fff;background:#ffffff1f}.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item-selected .anticon,.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item-active .anticon,.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item:hover .anticon{color:#fff}.page{max-width:1180px;margin:0 auto;padding:24px 20px 40px}.page>.ant-typography:first-child,.toolbar .ant-typography{color:var(--oj-text);font-weight:800}.ant-card{background:var(--oj-surface);border-color:#ffffffa3;border-radius:var(--oj-radius);box-shadow:var(--oj-shadow-soft);backdrop-filter:blur(18px) saturate(1.2);-webkit-backdrop-filter:blur(18px) saturate(1.2)}.ant-card-head{min-height:58px;border-bottom-color:var(--oj-border);background:#ffffff47;border-radius:var(--oj-radius) var(--oj-radius) 0 0}.ant-card-head-title{color:var(--oj-text);font-size:17px;font-weight:800}.ant-table-wrapper{color:var(--oj-text-secondary)}.ant-table{background:transparent;color:var(--oj-text-secondary)}.ant-table-container{border-radius:12px}.ant-table-thead>tr>th{color:var(--oj-text);font-size:15px;font-weight:800;background:#ffffff80!important;border-bottom-color:var(--oj-border)!important}.ant-table-tbody>tr>td{color:var(--oj-text-secondary);font-size:15px;background:#ffffff47;border-bottom-color:#94a3b829}.ant-table-tbody>tr:hover>td{background:#eff6ffb8!important}.ant-pagination{margin-top:18px!important}.ant-btn{font-weight:600}.ant-input,.ant-input-affix-wrapper,.ant-select-selector,.ant-picker,.ant-input-number{background:#ffffffb8!important;border-color:#94a3b852!important;box-shadow:inset 0 1px #ffffffb8}.ant-input:focus,.ant-input-affix-wrapper-focused,.ant-picker-focused,.ant-select-focused .ant-select-selector{box-shadow:0 0 0 3px #1677ff24,inset 0 1px #ffffffb8!important}.ant-modal-content{background:#ffffffdb!important;backdrop-filter:blur(22px) saturate(1.18);-webkit-backdrop-filter:blur(22px) saturate(1.18)}.ant-modal-content{border:1px solid rgba(255,255,255,.72);border-radius:18px!important;box-shadow:0 26px 70px #0f172a33}.ant-modal .ant-modal-content .ant-modal-header{margin-bottom:20px;padding-bottom:14px;background:transparent!important;border-bottom:1px solid rgba(148,163,184,.2)!important;border-radius:18px 18px 0 0!important}.ant-modal .ant-modal-title{color:var(--oj-text)!important;font-size:20px!important;font-weight:800!important;line-height:1.35!important}.ant-modal .ant-modal-close{top:17px!important;inset-inline-end:18px!important;color:var(--oj-text-secondary)!important}.ant-popover-inner,.ant-dropdown-menu{background:#ffffffe0!important;border:1px solid rgba(255,255,255,.68);box-shadow:var(--oj-shadow);backdrop-filter:blur(18px) saturate(1.18);-webkit-backdrop-filter:blur(18px) saturate(1.18)}.toolbar{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap}.coin-redemption-page{display:grid;gap:20px}.coin-redemption-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 28px;background:linear-gradient(135deg,#ffffffe0,#eff6ffc7);border:1px solid rgba(255,255,255,.72);border-radius:var(--oj-radius);box-shadow:var(--oj-shadow-soft)}.coin-redemption-hero h2.ant-typography{margin:4px 0 6px;color:var(--oj-text);font-weight:850}.coin-redemption-hero p.ant-typography{max-width:680px;margin:0;color:var(--oj-text-secondary)}.coin-redemption-eyebrow{color:var(--oj-primary);font-size:13px;font-weight:800;letter-spacing:.08em}.coin-redemption-records .ant-card-body{padding:0}.coin-redemption-person{display:flex;flex-direction:column;gap:2px}.coin-redemption-person strong{color:var(--oj-text)}.coin-redemption-person span{color:#94a3b8;font-size:13px}.coin-redemption-cost{display:inline-flex;padding:5px 9px;color:#b45309;font-weight:800;line-height:1;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px}.coin-redemption-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:4px 0 12px;padding:15px 16px;background:#eff6ffb8;border:1px solid rgba(147,197,253,.55);border-radius:12px}.coin-redemption-preview>div{display:flex;flex-direction:column;gap:4px}.coin-redemption-preview span{color:#64748b;font-size:13px}.coin-redemption-preview strong{color:var(--oj-text);font-size:18px;font-variant-numeric:tabular-nums}.coin-redemption-preview.is-invalid{background:#fff1f0;border-color:#ffccc7}.coin-redemption-note{display:block;font-size:13px}.problem-list-head{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:20px}.problem-list-head .ant-typography{margin-bottom:2px}.problem-list-search{width:min(560px,100%)}.problem-list-search .ant-input-group,.problem-list-search .ant-input-affix-wrapper,.problem-list-search .ant-input,.problem-list-search .ant-input-search-button{height:48px}.problem-list-search .ant-input{height:46px;font-size:17px;line-height:46px;text-align:center}.problem-list-search .ant-input::placeholder{text-align:center}.problem-list-search .ant-input-affix-wrapper{display:flex;align-items:center;padding-top:0;padding-bottom:0}.problem-list-search .ant-input-affix-wrapper .ant-input{height:46px;line-height:46px}.problem-list-search .ant-input-search-button{display:inline-flex;align-items:center;justify-content:center}.grid-two{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px}.submit-code-modal .ant-modal-body{padding-top:8px}.judge-result-modal .ant-modal-content{overflow:hidden;padding:0!important}.judge-result-modal .ant-modal-close{z-index:2}.judge-result-content{position:relative;padding:44px 42px 38px;text-align:center}.judge-result-modal.is-accepted .judge-result-content{background:linear-gradient(180deg,#ecfdf5e6,#ffffffd1 52%),var(--oj-surface-solid);box-shadow:inset 0 5px #22a06b}.judge-result-modal.is-not-accepted .judge-result-content{background:linear-gradient(180deg,#fff7eddb,#ffffffd1 52%),var(--oj-surface-solid);box-shadow:inset 0 5px #d97706}.judge-result-symbol{display:inline-flex;align-items:center;justify-content:center;width:82px;height:82px;margin-bottom:20px;border-radius:50%;font-size:42px}.judge-result-modal.is-accepted .judge-result-symbol{color:#9a6700;background:#fff7cc;border:1px solid rgba(202,138,4,.24);box-shadow:0 14px 30px #9a670029}.judge-result-modal.is-not-accepted .judge-result-symbol{color:#c2410c;background:#fff0e6;border:1px solid rgba(194,65,12,.18);box-shadow:0 14px 30px #c2410c1f}.judge-result-kicker{display:block;margin-bottom:8px;color:var(--oj-success)!important;font-size:15px;font-weight:800}.judge-result-modal.is-not-accepted .judge-result-kicker{color:#b45309!important}.judge-result-content h2.ant-typography{margin:0 0 12px;color:var(--oj-text);font-size:28px;font-weight:800}.judge-result-description{max-width:430px;margin:0 auto 22px!important;color:var(--oj-text-secondary);font-size:16px;line-height:1.72}.judge-result-meta{display:flex;justify-content:center;gap:22px;margin-bottom:26px;color:var(--oj-muted);font-size:13px}.judge-result-actions{justify-content:center;width:100%}.judge-result-actions .ant-btn{min-width:128px;height:42px}.dark-code-editor{position:relative;height:430px;overflow:hidden;background:#2b2b2b;border:2px solid #111;border-radius:4px;box-sizing:border-box;font-family:Consolas,Monaco,Courier New,monospace}.code-gutter{position:absolute;top:12px;left:0;z-index:3;width:54px;box-sizing:border-box;padding-right:8px;color:#a7adb7;text-align:right;pointer-events:none;border-right:1px solid #6b7280}.code-line-number{height:24px;font-size:16px;line-height:24px}.code-current-line{position:absolute;top:var(--line-top);right:0;left:54px;z-index:1;height:24px;background:#3a3a3a;pointer-events:none}.dark-code-textarea{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;width:100%;height:100%;box-sizing:border-box;padding:12px 16px 12px 58px;overflow:auto;color:#d7dde8;font:inherit;font-size:16px;line-height:24px;-moz-tab-size:4;tab-size:4;white-space:pre;resize:none;background:transparent;border:0;outline:none;caret-color:#fff}.dark-code-textarea::selection{background:#4b5563}.pre-box{background:#111827;color:#f9fafb;border-radius:6px;padding:12px;overflow:auto}.muted{color:#6b7280}.problem-page{max-width:1160px}.problem-breadcrumb{background:var(--oj-surface);border:1px solid var(--oj-border);border-radius:var(--oj-radius);padding:13px 18px;box-shadow:var(--oj-shadow-soft);backdrop-filter:blur(16px) saturate(1.16);-webkit-backdrop-filter:blur(16px) saturate(1.16)}.problem-search{max-width:560px;margin:20px auto 28px}.problem-title{text-align:center;margin-bottom:20px!important;font-size:24px!important;font-weight:800!important;color:var(--oj-text)!important}.problem-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}.problem-main{min-width:0}.problem-section{margin-bottom:18px;background:var(--oj-surface);border:1px solid var(--oj-border);border-radius:var(--oj-radius);overflow:hidden;box-shadow:var(--oj-shadow-soft);backdrop-filter:blur(16px) saturate(1.16);-webkit-backdrop-filter:blur(16px) saturate(1.16)}.problem-section-title{min-height:48px;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid var(--oj-border);box-shadow:inset 0 -2px 0 var(--oj-primary);background:#ffffff75;font-weight:800;color:var(--oj-text)}.problem-section-body{padding:17px 20px;font-size:16px;line-height:1.72}.problem-section-body .ant-typography{margin-bottom:0}.problem-text-block{white-space:pre-wrap;word-break:break-word;line-height:1.72}.problem-rich-content{display:flow-root}.problem-prose-fragment{white-space:pre-wrap}.problem-math-inline{display:inline-block;max-width:100%;margin-inline:.08em;vertical-align:-.08em;white-space:nowrap}.problem-math-display{max-width:100%;margin:14px 0;overflow-x:auto;overflow-y:hidden;text-align:center;white-space:normal;overscroll-behavior-inline:contain}.problem-math-display .katex-display{width:max-content;min-width:100%;margin:0;padding:4px 0}.problem-math-fallback{color:var(--oj-text-secondary);font-family:Consolas,SFMono-Regular,monospace;white-space:pre-wrap}.problem-table-scroll{width:100%;margin:18px 0;overflow-x:auto;white-space:normal;border-radius:4px;outline:none;overscroll-behavior-inline:contain}.problem-table-scroll:focus-visible{box-shadow:0 0 0 3px #1677ff2e}.problem-markdown-table{width:100%;min-width:560px;color:var(--oj-text-secondary);font-size:16px;line-height:1.45;table-layout:auto;border-collapse:collapse;border-top:3px solid #3f4b5d;border-bottom:3px solid #3f4b5d;background:#ffffff85}.problem-markdown-table th,.problem-markdown-table td{min-width:112px;padding:12px 18px;vertical-align:middle;border-right:1px solid #7d8795;border-bottom:1px solid #9ba4af}.problem-markdown-table th:last-child,.problem-markdown-table td:last-child{border-right:0}.problem-markdown-table thead th{color:var(--oj-text);font-weight:750;border-bottom:2px solid #3f4b5d;background:#eff5fcc7}.problem-markdown-table tbody tr:last-child td{border-bottom:0}@media (max-width: 640px){.problem-table-scroll{margin-inline:-4px;width:calc(100% + 8px)}.problem-markdown-table th,.problem-markdown-table td{min-width:100px;padding:10px 14px}}.problem-content-image{display:flex;justify-content:flex-start;margin:14px 0 4px}.problem-content-image img{display:block;width:auto;max-width:min(100%,860px);height:auto;max-height:640px;object-fit:contain;border:1px solid var(--oj-border);border-radius:8px;background:#ffffffc2}.sample-box{border:1px solid var(--oj-border-strong);border-radius:var(--oj-radius);overflow:hidden;background:var(--oj-surface-soft)}.sample-head{min-height:34px;display:flex;align-items:center;justify-content:space-between;padding:0 10px;background:#eff6ffb8;border-bottom:1px solid var(--oj-border-strong);font-weight:700}.sample-box pre{margin:0;padding:10px 14px 14px;min-height:38px;overflow:auto;font-family:Consolas,Monaco,monospace;font-size:14px;line-height:1.6;background:#fff9}.problem-side{position:sticky;top:16px}.problem-param-card{margin-bottom:16px}.problem-param-card .ant-card-head-title{font-weight:800}.param-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;border-bottom:1px solid rgba(148,163,184,.18);color:var(--oj-muted)}.param-row:last-child{border-bottom:0}.param-row .ant-typography{color:var(--oj-text-secondary);margin:0}.problem-actions{margin-bottom:20px}.problem-submission-card{margin-top:20px}.mini-submission-list{display:flex;flex-direction:column}.mini-submission-row{display:grid;grid-template-columns:1fr auto 34px;gap:10px;align-items:center;min-height:42px;border-bottom:1px solid #edf0f5}.mini-submission-row:last-child{border-bottom:0}.mini-submission-time{color:var(--oj-muted)}.mini-submission-status{border:0;background:transparent;cursor:pointer;font-weight:700;padding:0}.mini-submission-status.is-accepted{color:var(--oj-success)}.mini-submission-status.is-wrong{color:var(--oj-danger)}.mini-submission-status.is-running{color:var(--oj-primary)}.source-modal-meta{display:flex;justify-content:flex-start;align-items:center;gap:120px;margin:2px 0 14px;font-size:16px}.source-modal-run{white-space:nowrap}.source-code-block{margin:0;padding:18px;max-height:70vh;overflow:auto;background:#050505;color:#f8fafc;border:1px solid #d7dce5;border-radius:4px;font-family:Consolas,Monaco,monospace;font-size:14px;line-height:1.65;white-space:pre}.cpp-highlight{color:#d4d4d4}.cpp-highlight .tok-keyword{color:#569cd6}.cpp-highlight .tok-builtin{color:#4fc1ff}.cpp-highlight .tok-string{color:#ce9178}.cpp-highlight .tok-number{color:#b5cea8}.cpp-highlight .tok-comment{color:#6a9955;font-style:italic}.cpp-highlight .tok-preprocessor{color:#c586c0}.submission-detail-page{max-width:1160px}.submission-summary{margin-top:20px}.tests-title{margin-top:24px!important}.big-result-icon{font-size:24px;margin:8px 0 24px}.big-result-icon.is-accepted{color:#15803d}.big-result-icon.is-wrong{color:#b91c1c}.submission-source{max-height:520px;margin-bottom:28px}.submission-source-highlighted{color:#d4d4d4!important}.submission-source-highlighted .tok-keyword{color:#569cd6!important}.submission-source-highlighted .tok-builtin{color:#4fc1ff!important}.submission-source-highlighted .tok-string{color:#ce9178!important}.submission-source-highlighted .tok-number{color:#b5cea8!important}.submission-source-highlighted .tok-comment{color:#6a9955!important}.submission-source-highlighted .tok-preprocessor{color:#c586c0!important}.judge-collapse{background:var(--oj-surface);border-radius:var(--oj-radius);backdrop-filter:blur(16px) saturate(1.16);-webkit-backdrop-filter:blur(16px) saturate(1.16)}.case-label-accepted{color:#15803d}.case-label-wrong{color:#b91c1c}.judge-case-detail{display:flex;flex-direction:column;gap:12px}.judge-data-block{border:1px solid var(--oj-border-strong);border-radius:8px;overflow:hidden}.judge-data-title{min-height:30px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 10px;background:#f8fafcd1;border-bottom:1px solid var(--oj-border-strong);font-weight:700}.judge-data-content{position:relative;margin:0;padding:10px;max-height:96px;overflow:hidden;background:#f3f6fad1;font-family:Consolas,Monaco,monospace;font-size:13px;line-height:1.55;white-space:pre;word-break:normal}.judge-data-block.is-truncated:after{content:"...";display:block;height:18px;margin-top:-18px;padding-right:10px;color:#64748b;text-align:right;pointer-events:none;background:linear-gradient(to bottom,#f3f4f600,#f3f4f6 48%)}.status-page{max-width:1380px}.status-hero-search{display:block;width:min(680px,92vw);margin:8px auto 26px}.status-hero-search .ant-input{height:54px;font-size:20px}.status-hero-search .ant-input-search-button{width:86px;height:54px;font-size:24px}.status-filter-panel{padding:28px 28px 24px;background:var(--oj-surface);border:1px solid var(--oj-border);border-radius:var(--oj-radius);box-shadow:var(--oj-shadow);backdrop-filter:blur(18px) saturate(1.18);-webkit-backdrop-filter:blur(18px) saturate(1.18)}.status-filter-row{display:grid;grid-template-columns:minmax(190px,1fr) minmax(190px,1fr) minmax(240px,.82fr) minmax(180px,.62fr) auto;gap:12px;align-items:center;width:100%;margin-bottom:24px}.status-filter-row.student{grid-template-columns:minmax(190px,1fr) minmax(240px,.82fr) minmax(180px,.62fr) auto}.status-filter-input{width:100%}.status-filter-input .ant-input-affix-wrapper,.status-filter-input.ant-input-affix-wrapper{height:42px}.status-select-group{display:flex;width:100%;min-width:0}.status-select-label{display:inline-flex;align-items:center;justify-content:center;width:74px;height:42px;color:var(--oj-muted);background:var(--oj-surface-soft);border:1px solid #d9e1ec;border-right:0;border-radius:4px 0 0 4px}.status-select-group .ant-select{flex:1;min-width:0}.status-select-group .ant-select-selector{height:42px!important;border-radius:0 4px 4px 0!important}.status-select-group .ant-select-selection-item{line-height:40px!important}.status-filter-actions{justify-content:flex-end;white-space:nowrap}.status-filter-actions .ant-btn{min-width:74px;height:42px}.status-table .ant-table{color:var(--oj-text-secondary)}.status-table .ant-table-thead>tr>th{color:var(--oj-text);font-size:15px;font-weight:700;background:var(--oj-surface-soft)!important;border-bottom:2px solid var(--oj-primary)!important}.status-table .ant-table-tbody>tr>td{padding:12px 16px;font-size:15px}.status-link{height:auto;padding:0;font-size:15px}.status-problem-link{text-align:left;white-space:normal}.status-result{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:#f1f5f9;font-weight:700}.status-result.accepted{color:var(--oj-success);background:#eaf7ec}.status-result.wrong{color:var(--oj-danger);background:#fff1f0}.status-result.running{color:var(--oj-primary);background:var(--oj-primary-soft)}.assignments-page{max-width:1320px;padding:28px 28px 48px}.assignments-page>.toolbar{margin-bottom:14px;padding-inline:4px}.assignments-page>.toolbar h3.ant-typography{margin:0;font-size:26px;line-height:1.25}.assignment-toolbar-actions .ant-btn{min-height:40px;padding-inline:18px;font-weight:700}.assignment-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}.assignments-page .ant-card{border-radius:var(--oj-radius);box-shadow:var(--oj-shadow);overflow:hidden}.assignments-page .ant-card-body{padding:20px 22px 16px}.assignments-page .ant-card-head{gap:12px;flex-wrap:wrap;min-height:62px;padding-inline:24px}.assignments-page .ant-card-head-title{font-size:18px}.assignments-page .ant-card-extra{padding:10px 0}.assignments-page .ant-table{table-layout:fixed}.assignments-page .ant-table-container{overflow:hidden;border:1px solid var(--oj-border);border-radius:12px}.assignments-page .ant-table-cell{word-break:break-word}.assignments-page .ant-table-thead>tr>th{padding:13px 14px;white-space:nowrap;background:#f8fafcc2!important}.assignments-page .ant-table-tbody>tr>td{padding:13px 14px;vertical-align:middle;transition:background-color .16s ease}.assignments-page .ant-table-tbody>tr:hover>td{background:#eaf3ff94!important}.assignments-page .ant-table-cell-fix-right{background:#ffffffe0}.assignments-page .ant-pagination{margin:16px 4px 2px}.assignment-row-actions{white-space:nowrap}.assignment-row-actions .ant-btn{width:34px;height:34px;padding:0;color:var(--oj-text-secondary)}.assignment-row-actions .ant-btn:not(.ant-btn-dangerous):hover{color:var(--oj-primary);background:var(--oj-primary-soft)}.assignments-page .ant-table-expanded-row>td{background:#ffffff6b!important;padding:14px 18px!important}.assignments-page .ant-table-expanded-row .ant-table{background:#ffffff94;border:1px solid var(--oj-border);border-radius:10px;overflow:hidden;backdrop-filter:blur(12px) saturate(1.12);-webkit-backdrop-filter:blur(12px) saturate(1.12)}.assignment-time-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.assignment-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.assignment-records-only .assignment-records-card .ant-card-body{padding:18px 20px 14px}.assignment-editor-modal{top:48px}.assignment-editor-modal .ant-modal-body{max-height:calc(100vh - 250px);padding-right:6px;overflow-y:auto;scrollbar-gutter:stable}.assignment-date-picker{padding:8px;background:#f6f8fbeb;border:1px solid var(--oj-border-strong);border-radius:14px;box-shadow:0 18px 40px #0f172a2e;backdrop-filter:blur(18px) saturate(1.16);-webkit-backdrop-filter:blur(18px) saturate(1.16)}.assignment-date-picker .ant-picker-panel-container{background:transparent;box-shadow:none}.assignment-date-picker .ant-picker-panel{background:#ffffffe0;border-radius:10px}.assignment-date-picker .ant-picker-header,.assignment-date-picker .ant-picker-footer{background:#f8fafcd1}.assignment-date-picker .ant-picker-time-panel-column{max-height:218px}.assignment-date-range{white-space:nowrap}.problem-management-page{max-width:1280px}.problem-management-page .ant-table-wrapper,.user-management-page .ant-table-wrapper,.problem-sets-page>.ant-table-wrapper{padding:4px;background:var(--oj-surface);border:1px solid var(--oj-border);border-radius:var(--oj-radius);box-shadow:var(--oj-shadow-soft);backdrop-filter:blur(16px) saturate(1.16);-webkit-backdrop-filter:blur(16px) saturate(1.16)}.problem-management-page .toolbar,.user-management-page .toolbar{padding:2px 0 4px}.problem-management-heading{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}.problem-management-heading .ant-typography{margin:0}.problem-management-stat{color:var(--oj-muted)!important;font-size:14px;font-weight:500!important;white-space:nowrap}.problem-management-stat strong{color:var(--oj-text-secondary);font-weight:700}.user-management-page{max-width:1200px}.user-management-actions .ant-input-affix-wrapper{width:min(320px,48vw);min-width:240px}@media (max-width: 640px){.user-management-actions,.user-management-actions .ant-space-item:first-child,.user-management-actions .ant-input-affix-wrapper{width:100%;min-width:0}}.problem-sets-page{max-width:1280px;min-height:calc(100vh - 104px);background:transparent}.problem-set-page-heading{display:flex;align-items:center;min-height:48px;margin-bottom:16px}.problem-set-page-heading .ant-typography{margin:0;color:var(--oj-text);font-weight:800}.problem-set-filter{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:24px 28px;margin-bottom:22px;border:1px solid var(--oj-border);border-radius:var(--oj-radius);background:var(--oj-surface);box-shadow:var(--oj-shadow-soft);backdrop-filter:blur(16px) saturate(1.16);-webkit-backdrop-filter:blur(16px) saturate(1.16);flex-wrap:wrap}.problem-set-filter>.ant-space{max-width:100%}.problem-sets-page .ant-table-wrapper{padding:4px}.problem-set-drag-handle{color:var(--oj-muted-light);cursor:grab;font-size:18px}.problem-set-drag-handle:active{cursor:grabbing}.problem-set-row-dragging>td{opacity:.55}.problem-set-row-drag-over>td{background:var(--oj-primary-soft)!important;box-shadow:inset 0 2px 0 var(--oj-primary)}.problem-set-detail-meta{margin-bottom:14px}.problem-set-manage{display:grid;gap:12px;padding:14px;margin-bottom:16px;background:var(--oj-surface-soft);border:1px solid var(--oj-border);border-radius:var(--oj-radius);backdrop-filter:blur(12px) saturate(1.12);-webkit-backdrop-filter:blur(12px) saturate(1.12)}.problem-set-edit-sections{display:grid;gap:12px}.problem-set-list-page{max-width:1280px;min-height:calc(100vh - 104px);background:transparent}.problem-set-list-title{display:flex;align-items:center;min-height:44px;margin:30px 0 24px;padding-left:14px;border-left:4px solid var(--oj-primary)}.problem-set-list-title .ant-typography{margin:0}.problem-set-section-card{overflow:hidden;margin:0 0 28px;border:1px solid var(--oj-border);border-radius:var(--oj-radius);background:var(--oj-surface);box-shadow:var(--oj-shadow-soft);backdrop-filter:blur(16px) saturate(1.16);-webkit-backdrop-filter:blur(16px) saturate(1.16)}.problem-set-section-header{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 22px;color:var(--oj-text);background:#eff6ffad;border-bottom:1px solid var(--oj-border);box-shadow:inset 4px 0 0 var(--oj-primary);font-size:17px;font-weight:800}.problem-set-section-header>span:last-child{padding:4px 10px;color:var(--oj-text-secondary);background:#ffffffa8;border:1px solid var(--oj-border);border-radius:999px;font-size:13px;font-weight:700}.problem-set-section-body{padding:16px 22px 22px}.problem-set-section-body .ant-table-thead>tr>th{color:var(--oj-text-secondary);font-size:15px;font-weight:700;background:#ffffff85!important;border-bottom:2px solid var(--oj-border-strong)!important}.problem-set-section-body .ant-table-tbody>tr>td{padding:10px 16px;color:var(--oj-text-secondary);font-size:15px}.problem-set-section-body .ant-table-tbody>tr:nth-child(odd)>td{background:#fafcff80}.problem-set-row-check{font-size:17px}.problem-set-row-check.accepted{color:#2f7d32}.problem-set-row-check.wrong{color:#b42318}.problem-set-question-nav{margin:24px 0 34px;text-align:center}.problem-set-question-nav .ant-typography{margin-bottom:18px}.problem-set-question-nav .ant-btn{min-width:42px;height:42px;font-size:16px}.problem-management-samples{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ai-help-entry.ant-btn{color:#8a4b08;border-color:#d9770652;background:#fff7eddb;box-shadow:0 7px 18px #b453091a}.ai-help-entry.ant-btn:not(:disabled):hover{color:#7c3f05;border-color:#d9770680;background:#fff7ed}.ai-help-modal .ant-modal-content{overflow:hidden;padding:0;background:#f6f9fd;border:1px solid rgba(148,163,184,.24);border-radius:16px;box-shadow:0 28px 70px #1e40af29;-webkit-backdrop-filter:blur(20px) saturate(1.08);backdrop-filter:blur(20px) saturate(1.08)}.ai-help-modal .ant-modal-close{top:18px;right:18px}.ai-help-content{padding:30px}.ai-help-heading{display:flex;align-items:center;gap:14px;padding-right:40px}.ai-help-heading-copy{min-width:0}.ai-help-heading .ant-typography.ai-help-kicker{margin:0}.ai-help-heading .ant-typography.ai-help-context{display:block;margin-top:3px}.ai-help-icon{display:grid;place-items:center;width:48px;height:48px;flex:0 0 48px;color:#1768d7;background:#e6f0ff;border:1px solid #c9ddff;border-radius:12px;font-size:23px}.ai-help-kicker{color:#1768d7;font-size:12px;font-weight:800}.ai-help-heading h3.ant-typography{margin:2px 0 0;font-size:24px;line-height:1.28}.ai-help-context{overflow:hidden;color:#64748b;font-size:13px;white-space:nowrap;text-overflow:ellipsis}.ai-help-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:24px 0 18px}.ai-help-step{display:flex;align-items:center;gap:9px;min-width:0;min-height:58px;padding:9px 10px;color:#64748b;background:#f8fafc;border:1px solid var(--oj-border);border-radius:12px}.ai-help-step-number{display:grid;place-items:center;width:28px;height:28px;flex:0 0 28px;color:#64748b;background:#fff;border:1px solid var(--oj-border-strong);border-radius:9px;font-size:13px;font-weight:800}.ai-help-step-copy{display:grid;gap:1px;overflow:hidden;min-width:0}.ai-help-step-copy strong,.ai-help-step-copy small{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.ai-help-step-copy strong{color:#475569;font-size:13px;line-height:1.35}.ai-help-step-copy small{color:#94a3b8;font-size:11px}.ai-help-step.is-active{background:#eef5ff;border-color:#bfd7ff}.ai-help-step.is-active .ai-help-step-number{color:#1768d7;background:#fff;border-color:#a9c9ff}.ai-help-step.is-active .ai-help-step-copy strong{color:#1859ad}.ai-help-step.is-current{background:#1768d7;border-color:#1768d7;box-shadow:0 8px 18px #1768d729}.ai-help-step.is-current .ai-help-step-number{color:#1768d7;background:#fff;border-color:#fff}.ai-help-step.is-current .ai-help-step-copy strong{color:#fff}.ai-help-step.is-current .ai-help-step-copy small{color:#ffffffb8}.ai-help-messages{display:grid;gap:14px;max-height:440px;overflow-y:auto;padding-right:4px}.ai-help-messages.review{max-height:520px;margin-top:18px}.ai-help-message{padding:20px 22px;background:#fff;border:1px solid var(--oj-border);border-radius:14px}.ai-help-message.is-current{border-color:#c6dafe;box-shadow:0 10px 26px #1e40af12}.ai-help-message-title{display:flex;align-items:center;gap:8px;margin-bottom:12px}.ai-help-message-stage{color:#1768d7;font-size:12px;font-weight:800}.ai-help-answer{display:grid;gap:16px;color:var(--oj-text-secondary);font-size:15px;line-height:1.72;overflow-wrap:anywhere}.ai-help-prose{display:grid;gap:12px}.ai-help-answer p{margin:0}.ai-help-answer strong{color:#233a5a;font-weight:800}.ai-help-answer h4{margin:4px 0 0;color:#174f93;font-size:14px;font-weight:800;line-height:1.5}.ai-help-answer ol,.ai-help-answer ul{display:grid;gap:9px;margin:0;padding:0;list-style:none}.ai-help-answer ol li{position:relative;min-height:44px;padding:10px 13px 10px 46px;background:#f7faff;border:1px solid #dbe8fb;border-radius:10px}.ai-help-answer ol li:before{content:attr(data-ai-number);position:absolute;top:10px;left:12px;display:grid;place-items:center;width:24px;height:24px;color:#1768d7;font-size:12px;font-weight:800;line-height:1;background:#fff;border:1px solid #b9d3fa;border-radius:7px}.ai-help-answer ul{padding:12px 14px;background:#f8fafc;border-left:3px solid #70a8ee;border-radius:0 10px 10px 0}.ai-help-answer ul li{position:relative;padding-left:17px}.ai-help-answer ul li:before{content:"";position:absolute;top:10px;left:2px;width:6px;height:6px;background:#3b82d0;border-radius:2px}.ai-help-answer code{padding:2px 6px;color:#174f93;font-family:Consolas,SFMono-Regular,monospace;font-size:.92em;background:#eef5ff;border-radius:5px}.ai-help-code-block{overflow:hidden;background:#132238;border:1px solid #243c5c;border-radius:11px;box-shadow:0 10px 24px #0f233c1f}.ai-help-code-heading{display:flex;align-items:center;gap:8px;padding:9px 14px;color:#b9d7fb;font-family:Consolas,SFMono-Regular,monospace;font-size:12px;font-weight:700;background:#1b304c;border-bottom:1px solid #2c4667}.ai-help-code-heading .anticon{color:#75b2ff}.ai-help-answer pre{overflow-x:auto;margin:0;padding:16px 18px 18px;color:#dbeafe;font-size:13px;line-height:1.65;-moz-tab-size:2;tab-size:2}.ai-help-answer pre code{padding:0;color:inherit;background:transparent}.ai-help-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:20px;padding-top:16px;border-top:1px solid var(--oj-border)}.ai-help-footer-hint{display:flex;align-items:flex-start;gap:8px;max-width:430px;color:#64748b;line-height:1.55}.ai-help-footer-hint>.anticon{margin-top:4px;color:#d88b00}.ai-help-footer-hint .ant-typography{color:inherit}.ai-help-records-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}.ai-help-records-heading .ant-typography{margin:0}.ai-help-records-card .ant-card-body{padding:20px}.ai-help-record-filters{display:grid;grid-template-columns:minmax(180px,1.2fr) minmax(110px,.6fr) minmax(130px,.7fr) minmax(230px,1.3fr) auto auto;gap:10px;align-items:center;margin-bottom:18px}.ai-help-review .ant-descriptions{margin-top:8px}@media (max-width: 860px){.page{padding:18px 14px 30px}.coin-redemption-hero{align-items:stretch;flex-direction:column;padding:22px 20px}.coin-redemption-hero .ant-btn{align-self:flex-start}.app-header{overflow-x:auto}.brand{padding:0 16px;font-size:19px}.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-item,.app-nav.ant-menu-dark.ant-menu-horizontal>.ant-menu-submenu{padding-inline:12px;font-size:15px}.grid-two,.problem-layout,.assignment-grid,.assignment-time-grid,.assignment-form-grid{grid-template-columns:1fr}.assignment-editor-modal{width:calc(100vw - 32px)!important;max-width:calc(100vw - 32px)}.assignments-page .ant-card-extra,.assignments-page .ant-card-extra .ant-input-affix-wrapper{width:100%!important}.problem-management-samples{grid-template-columns:1fr}.ai-help-content{padding:26px 18px 22px}.ai-help-steps{grid-template-columns:1fr 1fr}.ai-help-messages{max-height:48vh}.ai-help-footer,.ai-help-records-heading{align-items:stretch;flex-direction:column}.ai-help-record-filters{grid-template-columns:1fr 1fr}.ai-help-record-filters .ant-picker-range{grid-column:1 / -1;width:100%}.problem-side{position:static}.source-modal-meta{align-items:flex-start;flex-direction:column;gap:8px}.judge-result-content{padding:38px 22px 30px}.judge-result-meta{align-items:center;flex-direction:column;gap:4px}.status-filter-panel{padding:18px 14px}.status-filter-row,.status-filter-row.student{grid-template-columns:1fr}.status-filter-input,.status-select-group{width:100%}.status-filter-actions{justify-content:flex-start}.problem-set-section-card{margin-inline:0}.problem-set-section-body{padding:18px 12px 22px}.problem-set-filter{padding:18px 16px}.problem-set-filter>.ant-space:last-child,.problem-set-filter .ant-input-search{width:100%!important}.problem-management-heading{gap:6px 12px}}@media (max-width: 520px){.coin-balance{gap:5px;padding:0 8px}.coin-balance>span:not(.anticon){display:none}.ai-help-content{padding:24px 15px 18px}.ai-help-heading{align-items:flex-start;gap:11px}.ai-help-icon{width:42px;height:42px;flex-basis:42px;font-size:20px}.ai-help-heading h3.ant-typography{font-size:20px}.ai-help-steps{grid-template-columns:1fr;gap:7px;margin:20px 0 14px}.ai-help-step{min-height:48px;padding:7px 9px}.ai-help-step-copy{display:flex;align-items:baseline;gap:7px}.ai-help-message{padding:17px 16px}.ai-help-footer .ant-space,.ai-help-footer .ant-space-item,.ai-help-footer .ant-btn{width:100%}}.rankings-page{max-width:1240px}.rankings-arena{position:relative;overflow:hidden;min-height:300px;padding:42px 46px 34px;border:1px solid rgba(96,165,250,.22);border-radius:26px;color:#fff;background:radial-gradient(circle at 84% 16%,rgba(44,212,191,.18),transparent 27%),radial-gradient(circle at 52% 112%,rgba(37,99,235,.28),transparent 42%),linear-gradient(130deg,#0b1d31,#102b49 56%,#0e3450);box-shadow:0 24px 60px #0f264038}.rankings-arena:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:.18;pointer-events:none;background:linear-gradient(90deg,transparent 49.7%,rgba(255,255,255,.2) 50%,transparent 50.3%) 0 0 / 58px 58px,linear-gradient(0deg,transparent 49.7%,rgba(255,255,255,.16) 50%,transparent 50.3%) 0 0 / 58px 58px;-webkit-mask-image:linear-gradient(90deg,transparent 12%,#000 62%);mask-image:linear-gradient(90deg,transparent 12%,#000 62%)}.rankings-arena-copy,.rankings-range,.rankings-scoreboard{position:relative;z-index:1}.rankings-kicker{display:inline-flex;align-items:center;gap:7px;color:#64e3d2;font-size:13px;font-weight:900;letter-spacing:.13em}.rankings-arena h1.ant-typography{max-width:680px;margin:15px 0 9px;color:#fff;font-size:clamp(31px,4vw,48px);line-height:1.12;letter-spacing:-.04em}.rankings-arena .ant-typography{max-width:610px;margin-bottom:0;color:#bcd0e3;font-size:17px}.rankings-range{display:inline-flex;gap:4px;margin-top:32px;padding:4px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:#030f1c47}.rankings-range button{min-width:64px;padding:9px 15px;border:0;border-radius:8px;color:#9db3c8;background:transparent;font:inherit;font-weight:800;cursor:pointer;transition:color .18s ease,background .18s ease,transform .18s ease}.rankings-range button:hover{color:#fff}.rankings-range button.is-active{color:#08243d;background:#65e5d3;box-shadow:0 6px 18px #2dd4bf40}.rankings-scoreboard{position:absolute;right:46px;bottom:34px;display:grid;grid-template-columns:repeat(3,minmax(92px,1fr));gap:1px;overflow:hidden;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:#ffffff1a}.rankings-scoreboard div{display:flex;min-width:105px;padding:14px 16px;flex-direction:column;background:#04122194}.rankings-scoreboard strong{color:#fff;font-size:23px;font-variant-numeric:tabular-nums}.rankings-scoreboard span{margin-top:2px;color:#8fa9bf;font-size:12px;font-weight:700}.rankings-loading,.rankings-empty{margin-top:22px;padding:60px 24px;border:1px solid var(--oj-border);border-radius:22px;text-align:center;background:#ffffffc2}.rankings-empty>.anticon{color:#f0a91d;font-size:42px}.rankings-empty h3.ant-typography{margin:15px 0 6px}.rankings-podium{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:end;margin-top:24px;padding:30px 28px 0;border:1px solid var(--oj-border);border-radius:24px;background:#ffffff9e;box-shadow:var(--oj-shadow-soft)}.rankings-podium-count-1{grid-template-columns:minmax(280px,370px);justify-content:center}.rankings-podium-count-2{grid-template-columns:repeat(2,minmax(260px,370px));justify-content:center}.podium-card{position:relative;padding:25px 18px 0;border:1px solid #dce6f0;border-radius:18px 18px 0 0;text-align:center;background:linear-gradient(180deg,#fff,#f6f9fc)}.podium-card.is-me{border-color:#1677ff;box-shadow:0 0 0 3px #1677ff1a}.podium-rank-1{min-height:300px;border-color:#e1a11673;background:linear-gradient(180deg,#fffbeb,#fff 49%,#fff8e6);box-shadow:0 18px 34px #b4780924}.podium-rank-2{min-height:268px}.podium-rank-3{min-height:244px;border-color:#be714045}.podium-rank{position:absolute;top:14px;left:16px;display:grid;width:30px;height:30px;place-items:center;border-radius:50%;color:#526579;background:#edf2f7;font-size:14px;font-weight:900}.podium-rank-1 .podium-rank{color:#8a5a00;background:#ffe29a}.podium-rank-3 .podium-rank{color:#8c4b25;background:#f5d2bd}.podium-avatar{display:grid;width:62px;height:62px;margin:2px auto 13px;place-items:center;border:5px solid #fff;border-radius:20px;color:#fff;background:#173a5d;box-shadow:0 7px 18px #14375833;font-size:25px;font-weight:900}.podium-rank-1 .podium-avatar{width:70px;height:70px;color:#533800;background:#ffc83d}.podium-name{overflow:hidden;color:#14263b;font-size:19px;font-weight:900;text-overflow:ellipsis;white-space:nowrap}.podium-name em,.rankings-row-person em{display:inline-block;margin-left:7px;padding:1px 7px;border-radius:99px;color:#0958d9;background:#e8f2ff;font-size:11px;font-style:normal;vertical-align:middle}.podium-username{overflow:hidden;margin-top:2px;color:#8998a8;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.podium-score{display:flex;align-items:baseline;justify-content:center;gap:5px;margin-top:12px;color:#9a6800}.podium-score strong{font-size:30px;line-height:1;font-variant-numeric:tabular-nums}.podium-score span,.podium-solved{font-size:12px;font-weight:800}.podium-solved{margin-top:5px;color:#607287}.podium-base{margin:17px -18px 0;padding:10px;color:#8fa3b7;background:#e9eff5;font-size:11px;font-weight:900;letter-spacing:.12em}.podium-rank-1 .podium-base{color:#6f4900;background:#f7c84e}.podium-rank-3 .podium-base{color:#74401f;background:#ddb18f}.rankings-challenge{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;margin-top:20px;padding:23px 26px;border:1px solid rgba(22,119,255,.2);border-radius:19px;background:linear-gradient(96deg,#e9f3ff,#f7fbff 67%,#edfffb)}.rankings-challenge-icon{display:grid;width:48px;height:48px;place-items:center;border-radius:14px;color:#fff;background:#1677ff;box-shadow:0 8px 20px #1677ff3d;font-size:21px}.rankings-challenge span{color:#1677ff;font-size:11px;font-weight:900;letter-spacing:.08em}.rankings-challenge h2{margin:2px 0 3px;color:#112a44;font-size:21px}.rankings-challenge p{margin:0;color:#5d7185}.rankings-primary-link{display:inline-flex;min-height:43px;padding:0 20px;align-items:center;justify-content:center;border-radius:11px;color:#fff;background:#1677ff;box-shadow:0 8px 20px #1677ff33;font-weight:900}.rankings-primary-link:hover{color:#fff;background:#0958d9;transform:translateY(-1px)}.rankings-pack{overflow:hidden;margin-top:20px;border:1px solid var(--oj-border);border-radius:22px;background:#ffffffc7;box-shadow:var(--oj-shadow-soft)}.rankings-pack-heading{display:flex;padding:24px 28px 18px;align-items:end;justify-content:space-between}.rankings-pack-heading span{color:#1677ff;font-size:10px;font-weight:900;letter-spacing:.18em}.rankings-pack-heading h2{margin:3px 0 0;color:#14263b}.rankings-pack-heading p{margin:0;color:#8392a2;font-size:13px}.rankings-pack-list{border-top:1px solid #e8eef4}.rankings-row{display:grid;grid-template-columns:48px 44px minmax(150px,1.1fr) minmax(140px,1.4fr) 72px 100px;gap:14px;min-height:82px;padding:13px 28px;align-items:center;border-bottom:1px solid #edf1f5}.rankings-row:last-child{border-bottom:0}.rankings-row.is-me{background:#eff7ff}.rankings-row-rank{color:#8fa0b1;font-size:18px;font-weight:900;font-variant-numeric:tabular-nums}.rankings-row-avatar{display:grid;width:38px;height:38px;place-items:center;border-radius:12px;color:#fff;background:#264b70;font-weight:900}.rankings-row-person,.rankings-row-solved,.rankings-row-coins{display:flex;flex-direction:column}.rankings-row-person strong{overflow:hidden;color:#172b40;text-overflow:ellipsis;white-space:nowrap}.rankings-row small{color:#8a9aaa;font-size:11px}.rankings-row-track{overflow:hidden;height:7px;border-radius:99px;background:#e8eef4}.rankings-row-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#1677ff,#42c9b5)}.rankings-row-solved strong,.rankings-row-coins strong{color:#18324d;font-size:17px;font-variant-numeric:tabular-nums}.rankings-row-coins{position:relative;padding-left:24px;color:#b67b00}.rankings-row-coins>.anticon{position:absolute;top:4px;left:0}@media (max-width: 860px){.rankings-arena{min-height:0;padding:30px 24px 24px}.rankings-scoreboard{position:relative;right:auto;bottom:auto;margin-top:22px}.rankings-podium{gap:9px;padding:22px 12px 0}.podium-card{padding-inline:9px}.podium-base{margin-inline:-9px}.rankings-row{grid-template-columns:36px 38px minmax(120px,1fr) 64px 86px;padding-inline:18px}.rankings-row-track{display:none}}@media (max-width: 600px){.rankings-arena h1.ant-typography{font-size:31px}.rankings-range{display:grid;grid-template-columns:repeat(4,1fr)}.rankings-range button{min-width:0;padding-inline:11px}.rankings-scoreboard div{min-width:0;padding-inline:9px}.rankings-scoreboard strong{font-size:20px}.rankings-podium{display:flex;padding:14px;flex-direction:column}.podium-card,.podium-rank-1,.podium-rank-2,.podium-rank-3{display:grid;width:100%;min-height:0;grid-template-columns:50px 1fr auto;grid-template-rows:auto auto;padding:14px 14px 14px 52px;align-items:center;border-radius:15px;text-align:left}.podium-rank-1{order:-1}.podium-avatar,.podium-rank-1 .podium-avatar{width:43px;height:43px;grid-row:1 / 3;margin:0 10px 0 0;border-width:3px;border-radius:13px;font-size:18px}.podium-name{font-size:16px}.podium-username{grid-column:2}.podium-score{grid-column:3;grid-row:1;margin:0}.podium-score strong{font-size:22px}.podium-solved{grid-column:3;grid-row:2;margin:0;text-align:right}.podium-base{display:none}.rankings-challenge{grid-template-columns:auto 1fr;padding:20px}.rankings-challenge .rankings-primary-link{grid-column:1 / -1}.rankings-pack-heading{align-items:flex-start;flex-direction:column;gap:5px}.rankings-row{grid-template-columns:30px 38px minmax(0,1fr) 55px 68px;gap:8px;padding-inline:12px}.rankings-row-avatar{width:34px;height:34px}.rankings-row-coins{padding-left:18px}.rankings-row-coins small{display:none}}
