@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.1"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.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;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .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{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.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;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.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:.833333em}.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:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.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:1.66667em}.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:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.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:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.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:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.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:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.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:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.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:.416667em}.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:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.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:.833333em}.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:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.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:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.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:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.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:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.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:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.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{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .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{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
:root{--ink:#172033;--muted:#647084;--line:#dfe4ec;--line-strong:#c9d1de;--surface:#fff;--surface-soft:#f5f7fa;--paper:#fbfaf6;--brand:#2457d6;--brand-dark:#173fa7;--brand-soft:#eaf0ff;--success:#147a55;--success-soft:#e7f7f0;--warning:#9a5b08;--warning-soft:#fff3dc;--danger:#b8333c;--shadow:0 12px 32px #1c274014;--radius:14px}*{box-sizing:border-box}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:var(--surface-soft)}body{color:var(--ink);background:var(--surface-soft);margin:0;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}img{max-width:100%}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}:focus-visible{outline-offset:2px;outline:3px solid #2457d647}.skip-link{z-index:100;background:var(--ink);color:#fff;border-radius:8px;padding:10px 14px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:16px}.button{border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:9px 16px;font-weight:700;transition:all .18s;display:inline-flex}.button:hover{transform:translateY(-1px)}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.button-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px #2457d633}.button-primary:hover{background:var(--brand-dark)}.button-secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.button-ghost{color:var(--muted);background:0 0}.button-danger{color:var(--danger);background:#fff;border-color:#efc5c8}.button-small{min-height:38px;padding:7px 11px;font-size:13px}.icon-button{border:1px solid var(--line);width:44px;height:44px;color:var(--muted);background:#fff;border-radius:10px;justify-content:center;align-items:center;display:inline-flex}.field{gap:7px;display:grid}.field label,.label{color:#354158;font-size:14px;font-weight:700}.field-help{color:var(--muted);margin:0;font-size:12px}.input,.select,.textarea{border:1px solid var(--line-strong);width:100%;min-height:44px;color:var(--ink);background:#fff;border-radius:10px;padding:10px 12px}.textarea{resize:vertical;min-height:104px}.input:hover,.select:hover,.textarea:hover{border-color:#9ba9bf}.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);outline:3px solid #2457d61f}.badge{background:var(--surface-soft);width:fit-content;color:var(--muted);border-radius:999px;align-items:center;gap:5px;padding:3px 9px;font-size:12px;font-weight:700;display:inline-flex}.badge-success{background:var(--success-soft);color:var(--success)}.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.marketing{background:linear-gradient(#f6f8ff 0,#fff 45%,#f7f8fb 100%);min-height:100vh}.marketing-nav{justify-content:space-between;align-items:center;max-width:1180px;margin:auto;padding:20px 24px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:10px;font-weight:900;display:flex}.brand-mark{color:#fff;background:var(--brand);border-radius:10px;place-items:center;width:36px;height:36px;display:grid;box-shadow:0 8px 20px #2457d640}.nav-actions{gap:10px;display:flex}.hero{grid-template-columns:1.05fr .95fr;align-items:center;gap:64px;max-width:1180px;margin:auto;padding:80px 24px 70px;display:grid}.eyebrow{color:var(--brand-dark);align-items:center;gap:9px;font-size:14px;font-weight:800;display:flex}.hero h1{letter-spacing:-.055em;margin:18px 0;font-size:clamp(42px,6vw,68px);line-height:1.08}.hero h1 span{color:var(--brand)}.hero-lead{color:var(--muted);max-width:650px;font-size:18px}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:30px;display:flex}.trust-row{color:var(--muted);flex-wrap:wrap;gap:20px;margin-top:28px;font-size:13px;display:flex}.trust-row span{align-items:center;gap:6px;display:flex}.hero-preview{background:#fff;border:1px solid #e2e6ef;border-radius:20px;padding:18px;transform:rotate(1deg);box-shadow:0 28px 70px #182f6524}.preview-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:14px;display:flex}.preview-paper{background:var(--paper);border:1px solid #e8e3d7;width:88%;min-height:380px;margin:18px auto 4px;padding:28px 32px;font-family:SimSun,serif;box-shadow:0 8px 20px #342f2214}.preview-paper h3{text-align:center;margin:0;font-size:18px}.preview-line{background:#d8d7d1;border-radius:4px;height:7px;margin:14px 0}.preview-line.short{width:58%}.feature-section{max-width:1180px;margin:auto;padding:70px 24px 90px}.section-heading{max-width:680px;margin-bottom:32px}.section-heading h2{margin:0 0 10px;font-size:34px;line-height:1.2}.section-heading p{color:var(--muted);margin:0}.feature-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.feature-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:24px}.feature-icon{background:var(--brand-soft);width:42px;height:42px;color:var(--brand);border-radius:11px;place-items:center;display:grid}.feature-card h3{margin:18px 0 6px}.feature-card p{color:var(--muted);margin:0;font-size:14px}.auth-page{grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.auth-aside{color:#fff;background:#162b62;flex-direction:column;justify-content:space-between;padding:54px;display:flex}.auth-quote{max-width:520px}.auth-quote h1{font-size:44px;line-height:1.18}.auth-quote p{color:#c8d4f3;font-size:17px}.auth-main{background:#fff;place-items:center;padding:32px;display:grid}.auth-card{width:min(420px,100%)}.auth-card h2{margin:0 0 8px;font-size:30px}.auth-card>p{color:var(--muted);margin:0 0 28px}.auth-form{gap:18px;display:grid}.form-error{color:var(--danger);background:#fff2f2;border-radius:8px;margin:0;padding:10px 12px;font-size:13px}.auth-switch{text-align:center;color:var(--muted);margin-top:20px;font-size:14px}.auth-switch a{color:var(--brand);font-weight:700}.app-shell{grid-template-columns:248px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#fff;flex-direction:column;height:100vh;padding:22px 16px;display:flex;position:sticky;top:0}.sidebar .brand{padding:0 8px 24px}.sidebar-nav{gap:5px;display:grid}.sidebar-link{min-height:44px;color:var(--muted);border-radius:10px;align-items:center;gap:10px;padding:9px 12px;font-size:14px;font-weight:700;display:flex}.sidebar-link:hover{background:var(--surface-soft);color:var(--ink)}.sidebar-link.active{background:var(--brand-soft);color:var(--brand-dark)}.sidebar-spacer{flex:1}.sidebar-user{border-top:1px solid var(--line);gap:10px;padding:14px 10px;display:grid}.user-line{align-items:center;gap:9px;min-width:0;display:flex}.avatar{color:#45516a;background:#eef1f7;border-radius:50%;place-items:center;width:34px;height:34px;font-weight:800;display:grid}.user-name{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:700;overflow:hidden}.app-main{min-width:0}.mobile-header{display:none}.page{max-width:1260px;margin:auto;padding:34px 36px 70px}.page-header{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px;display:flex}.page-header h1{letter-spacing:-.03em;margin:0;font-size:30px}.page-header p{color:var(--muted);margin:6px 0 0}.page-actions{flex-wrap:wrap;gap:10px;display:flex}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px #1f2a4405}.card-pad{padding:22px}.stat-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px;display:grid}.stat-card{padding:18px}.stat-label{color:var(--muted);align-items:center;gap:7px;font-size:13px;display:flex}.stat-value{margin-top:8px;font-size:28px;font-weight:900;line-height:1.2}.content-grid{grid-template-columns:minmax(0,1fr) 320px;gap:20px;display:grid}.card-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}.card-heading h2{margin:0;font-size:17px}.text-link{color:var(--brand);font-size:13px;font-weight:700}.paper-list{display:grid}.paper-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:16px 20px;display:grid}.paper-row:last-child{border-bottom:0}.paper-row:hover{background:#fafbfc}.paper-title{margin-bottom:5px;font-weight:800}.meta-row{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.empty{text-align:center;color:var(--muted);padding:44px 24px}.empty-icon{background:var(--surface-soft);width:52px;height:52px;color:var(--muted);border-radius:14px;place-items:center;margin:0 auto 12px;display:grid}.dashboard-task{background:linear-gradient(130deg,#f5f8ff,#fff 72%);border-color:#bdcdf8;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:16px;margin-bottom:20px;padding:18px 20px;display:grid}.dashboard-task-failed{background:snow;border-color:#efc5c8}.dashboard-task-icon{background:var(--brand);color:#fff;border-radius:13px;place-items:center;width:46px;height:46px;display:grid}.dashboard-task-failed .dashboard-task-icon{background:var(--danger)}.dashboard-task-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.dashboard-task-heading h2{margin:2px 0 0;font-size:17px}.dashboard-task-heading strong{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:23px}.dashboard-task-heading strong small{margin-left:2px;font-size:11px}.dashboard-task-main>p{color:var(--muted);margin:4px 0 9px;font-size:12.5px}.dashboard-task-track{background:#dfe6f6;border-radius:99px;height:7px;overflow:hidden}.dashboard-task-track span{border-radius:inherit;background:linear-gradient(90deg, var(--brand), #6a8eed);height:100%;transition:width .5s;display:block}.dashboard-task-meta{color:var(--muted);justify-content:space-between;gap:12px;margin-top:7px;font-size:11.5px;display:flex}.dashboard-task-meta span{align-items:center;gap:5px;display:inline-flex}.dashboard-papers{margin-bottom:20px;overflow:hidden}.dashboard-papers .card-heading p{color:var(--muted);margin:3px 0 0;font-size:12px}.dashboard-filters{border-bottom:1px solid var(--line);background:#fafbfc;grid-template-columns:minmax(220px,2fr) repeat(4,minmax(118px,1fr));gap:10px;padding:16px 20px;display:grid}.dashboard-filters select,.dashboard-search{border:1px solid var(--line-strong);min-width:0;height:40px;color:var(--ink);background:#fff;border-radius:9px}.dashboard-filters select{padding:7px 9px;font-size:13px}.dashboard-search{align-items:center;gap:8px;padding:0 11px;display:flex}.dashboard-search svg{color:var(--muted);flex:none}.dashboard-search input{background:0 0;border:0;outline:0;width:100%;min-width:0;font-size:13px}.dashboard-filter-actions{align-items:center;gap:4px;display:flex}.dashboard-pagination{border-top:1px solid var(--line);min-height:64px;color:var(--muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:12px 20px;font-size:12px;display:grid}.pagination-pages{justify-content:center;align-items:center;gap:5px;display:flex}.pagination-pages>span{align-items:center;gap:5px;display:inline-flex}.pagination-pages i{font-style:normal}.pagination-number{border:1px solid var(--line);background:#fff;border-radius:8px;place-items:center;width:34px;height:34px;font-weight:700;display:grid}.pagination-number.active{border-color:var(--brand);background:var(--brand);color:#fff}.button.disabled{pointer-events:none;opacity:.45}.page-size-form{justify-self:end;align-items:center;gap:4px;display:flex}.page-size-form label{align-items:center;gap:5px;display:flex}.page-size-form select{border:1px solid var(--line);background:#fff;border-radius:7px;height:34px}.wizard{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:20px;display:grid}.form-card{padding:26px}.form-section{border-bottom:1px solid var(--line);margin-bottom:26px;padding-bottom:26px}.form-section:last-child{border-bottom:0;margin-bottom:0}.form-section h2{margin:0 0 4px;font-size:19px}.form-section>p{color:var(--muted);margin:0 0 20px;font-size:13px}.form-grid{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.form-grid-3{grid-template-columns:repeat(3,1fr)}.segment{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.segment input{opacity:0;pointer-events:none;position:absolute}.segment label{border:1px solid var(--line-strong);cursor:pointer;border-radius:10px;place-items:center;min-height:44px;font-size:14px;font-weight:700;display:grid}.segment input:checked+label{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-soft)}.check-row{align-items:flex-start;gap:10px;display:flex}.check-row input{width:18px;height:18px;accent-color:var(--brand);margin-top:5px}.paper-size-fieldset{border:0;margin:20px 0 0;padding:0}.paper-size-fieldset legend{margin-bottom:9px;font-size:13px;font-weight:700}.paper-size-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.paper-size-option{border:1px solid var(--line-strong);min-height:132px;color:var(--muted);cursor:pointer;background:#fff;border-radius:11px;gap:4px;padding:13px 14px;font-size:12px;line-height:1.45;transition:border-color .16s,background .16s,box-shadow .16s;display:grid;position:relative}.paper-size-option:hover{border-color:#9eb3e7}.paper-size-option.selected{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 1px #2457d614}.paper-size-option input{opacity:0;pointer-events:none;position:absolute}.paper-size-option-head{color:var(--ink);justify-content:space-between;align-items:center;gap:8px;display:flex}.paper-size-option-head strong{font-size:14px}.paper-size-option-head small{background:var(--brand);color:#fff;white-space:nowrap;border-radius:999px;padding:2px 6px;font-size:9px}.paper-size-option em{color:var(--ink);margin-top:2px;font-style:normal}.dynamic-section{animation:.2s ease-out dynamic-section-in}.dynamic-section-heading{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.dynamic-section-heading h2{margin:0 0 4px}.dynamic-section-heading p{color:var(--muted);margin:0;font-size:13px;line-height:1.6}.dynamic-section-heading .badge{flex:none}.dynamic-default-note{max-width:260px;color:var(--muted);text-align:right;font-size:11px;line-height:1.5}.dynamic-stage{margin-bottom:18px}.dynamic-context-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.dynamic-context-grid.without-semester{grid-template-columns:repeat(3,minmax(0,1fr))}.exam-type-explanation{background:var(--brand-soft);border:1px solid #cfdbfa;border-radius:10px;justify-content:space-between;align-items:center;gap:14px;margin-top:11px;padding:11px 13px;display:flex}.exam-type-explanation>div{gap:2px;min-width:0;display:grid}.exam-type-explanation strong{color:var(--brand-dark);font-size:12px}.exam-type-explanation span{color:#52627a;font-size:11px;line-height:1.5}.exam-type-explanation>span{white-space:nowrap;flex:none;font-weight:700}.exam-specific-fields{grid-template-columns:1fr;gap:14px;margin-top:14px;display:grid}.exam-specific-fields.with-round{grid-template-columns:150px minmax(0,1fr)}.optional-label{color:var(--muted);font-size:11px;font-weight:400}.inline-field-hint{color:#9a5a0b;margin:5px 0 0;font-size:11px;line-height:1.45}.dynamic-core-grid{max-width:560px}.dynamic-difficulty{margin-top:18px}.replica-derived-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.replica-derived-grid>div{background:var(--success-soft);border:1px solid #cfe4d9;border-radius:10px;gap:4px;min-width:0;padding:13px 14px;display:grid}.replica-derived-grid span{color:#567166;font-size:11px}.replica-derived-grid strong{color:#285d4b;text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:1.45;overflow:hidden}.advanced-settings{border:1px solid var(--line-strong);background:#fff;border-radius:12px;margin-top:22px;overflow:hidden}.advanced-settings>summary{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:14px;min-height:68px;padding:12px 15px;list-style:none;transition:background .18s;display:flex}.advanced-settings>summary::-webkit-details-marker{display:none}.advanced-settings>summary:hover{background:#fafbff}.advanced-settings>summary:focus-visible{outline-offset:-3px;outline:3px solid #2563eb33}.advanced-settings>summary>span:first-child{grid-template-columns:40px minmax(0,1fr);align-items:center;gap:11px;min-width:0;display:grid}.advanced-settings>summary>span:first-child>svg{width:40px;height:40px;color:var(--brand);background:var(--brand-soft);border-radius:10px;padding:10px}.advanced-settings>summary strong,.advanced-settings>summary small{display:block}.advanced-settings>summary strong{font-size:14px}.advanced-settings>summary small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:11px;font-weight:400;overflow:hidden}.advanced-settings>summary>span:last-child{color:var(--muted);background:var(--surface-soft);border-radius:999px;padding:3px 8px;font-size:10px;font-weight:700}.advanced-settings[open]>summary{border-bottom:1px solid var(--line);background:#fbfcff}.advanced-settings-body{background:#fbfcff;gap:20px;padding:18px;display:grid}.advanced-settings-body .paper-size-fieldset{margin-top:0}.dynamic-image-control{border:1px solid var(--line);background:#fff;border-radius:10px;padding:13px 14px}@keyframes dynamic-section-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.dynamic-section{animation:none}}.favorite-picker{border:1px solid var(--line-strong);background:#fff;border-radius:12px;transition:border-color .18s,box-shadow .18s;overflow:hidden}.favorite-picker.open{border-color:#aebfea;box-shadow:0 8px 24px #2457d612}.favorite-picker-toggle{width:100%;min-height:76px;color:var(--ink);text-align:left;background:#fff;border:0;grid-template-columns:42px minmax(0,1fr) auto 24px;align-items:center;gap:12px;padding:14px 16px;display:grid}.favorite-picker-toggle:hover{background:#fafbff}.favorite-picker-toggle:disabled{opacity:.58}.favorite-picker-toggle-icon{background:var(--brand-soft);width:42px;height:42px;color:var(--brand);border-radius:11px;place-items:center;display:grid}.favorite-picker-toggle strong,.favorite-picker-toggle small{display:block}.favorite-picker-toggle strong{font-size:15px}.favorite-picker-toggle small{color:var(--muted);margin-top:2px;font-size:12px;font-weight:400;line-height:1.55}.favorite-picker-chevron{color:var(--muted);transition:transform .18s}.favorite-picker.open .favorite-picker-chevron{transform:rotate(180deg)}.favorite-picker-content{border-top:1px solid var(--line);background:#fbfcff;padding:16px}.favorite-picker-summary{background:var(--brand-soft);border:1px solid #cfdbfa;border-radius:10px;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:20px;padding:13px 14px;display:grid}.favorite-picker-summary div{gap:1px;display:grid}.favorite-picker-summary span{color:var(--muted);font-size:11px}.favorite-picker-summary strong{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:16px}.favorite-picker-summary p{color:#425579;margin:0;font-size:11.5px;line-height:1.55}.favorite-picker-state{min-height:112px;color:var(--muted);text-align:left;justify-content:center;align-items:center;gap:12px;padding:18px;display:flex}.favorite-picker-state>svg{flex:none}.favorite-picker-state strong{color:var(--ink)}.favorite-picker-state p{margin:2px 0 0;font-size:12px}.favorite-picker-state.error{color:var(--danger)}.favorite-picker-state.compact{min-height:88px}.favorite-picker-filters{grid-template-columns:minmax(220px,2fr) repeat(3,minmax(112px,1fr));gap:8px;margin-top:14px;display:grid}.favorite-picker-filters label{min-width:0}.favorite-picker-filters select,.favorite-picker-search{border:1px solid var(--line-strong);width:100%;height:44px;color:var(--ink);background:#fff;border-radius:9px}.favorite-picker-filters select{padding:7px 9px;font-size:12.5px}.favorite-picker-search{align-items:center;gap:7px;padding:0 10px;display:flex}.favorite-picker-search svg{color:var(--muted);flex:none}.favorite-picker-search input{background:0 0;border:0;outline:0;width:100%;min-width:0;font-size:12.5px}.favorite-picker-result{min-height:38px;color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.favorite-picker-result span{align-items:center;gap:5px;display:inline-flex}.favorite-picker-result button{min-height:36px;color:var(--brand);background:0 0;border:0;font-size:12px;font-weight:700}.favorite-picker-error{color:var(--danger);background:#fff0f1;border-radius:8px;align-items:flex-start;gap:7px;margin:0 0 10px;padding:9px 11px;font-size:12px;display:flex}.favorite-picker-error svg{flex:none;margin-top:2px}.favorite-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:10px;display:grid}.favorite-choice{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;grid-template-columns:22px minmax(0,1fr) auto;align-items:start;gap:10px;min-height:150px;padding:14px;transition:border-color .16s,background .16s,box-shadow .16s;display:grid;position:relative}.favorite-choice:hover{border-color:#9eb3e7}.favorite-choice:focus-within{outline-offset:2px;outline:3px solid #2457d62e}.favorite-choice.selected{border-color:var(--brand);background:#f7f9ff;box-shadow:inset 0 0 0 1px #2457d614}.favorite-choice.limited:not(.selected){background:#fafafa}.favorite-choice>input{opacity:0;pointer-events:none;position:absolute}.favorite-choice-check{width:22px;height:22px;color:var(--brand);place-items:center;display:grid}.favorite-choice-check>span{background:#fff;border:1.5px solid #aeb7c6;border-radius:5px;width:18px;height:18px}.favorite-choice-body{gap:7px;min-width:0;display:grid}.favorite-choice-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:10.5px;display:flex}.favorite-choice-meta>span{background:var(--surface-soft);border-radius:99px;padding:2px 6px}.favorite-choice-meta strong{color:var(--ink)}.favorite-choice-meta em{color:var(--brand);align-items:center;gap:3px;font-style:normal;display:inline-flex}.favorite-choice-stem{color:var(--ink);overflow-wrap:anywhere;font-size:13.5px;font-weight:700;line-height:1.65}.favorite-choice-points,.favorite-choice-source{color:var(--muted);font-size:10.5px;line-height:1.5}.favorite-choice-source{border-top:1px solid #edf0f5;padding-top:6px}.favorite-choice-image{border:1px solid var(--line);background:var(--paper);border-radius:8px;place-items:center;width:86px;min-height:68px;display:grid;overflow:hidden}.favorite-choice-image img{object-fit:contain;width:100%;height:68px}.favorite-picker-more{width:100%;min-height:44px;color:var(--brand);background:#fff;border:1px dashed #aebfea;border-radius:9px;margin-top:10px;font-size:12px;font-weight:700}.model-card-select{gap:10px;display:grid}.cost-panel{position:sticky;top:20px;overflow:hidden}.cost-panel-top{color:#fff;background:#182b5d;padding:22px}.cost-panel-top p{color:#cbd5ee;font-size:13px}.cost-list{gap:14px;padding:18px 20px;display:grid}.cost-item{justify-content:space-between;gap:12px;font-size:13px;display:flex}.cost-item strong{text-align:right}.cost-scope-value{text-overflow:ellipsis;white-space:nowrap;max-width:170px;overflow:hidden}.cost-assurance{border-top:1px solid var(--line);padding-top:14px}.cost-assurance p{color:var(--muted);margin:7px 0 0;font-size:11px;line-height:1.55}.cost-empty{min-height:160px;color:var(--muted);text-align:center;align-content:center;place-items:center;gap:7px;display:grid}.cost-empty>svg{width:36px;height:36px;color:var(--brand);background:var(--brand-soft);border-radius:11px;padding:8px}.cost-empty strong{color:var(--ink);font-size:13px}.cost-empty p{max-width:220px;margin:0;font-size:11px;line-height:1.55}.submit-bar{justify-content:flex-end;align-items:center;gap:14px;margin-top:22px;display:flex}.loading-note{color:var(--muted);font-size:13px}.generation-progress{background:linear-gradient(145deg,#f7f9ff 0%,#fff 68%);border:1px solid #cbd8ff;border-radius:14px;margin-top:24px;padding:22px;box-shadow:inset 0 1px #fffc}.generation-progress-head{grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:14px;display:grid}.progress-orb{background:var(--brand);color:#fff;border-radius:50%;place-items:center;width:48px;height:48px;display:grid;box-shadow:0 8px 20px #2457d640}.progress-orb svg,.generation-steps li.active svg,.submit-bar button:disabled svg{animation:1.1s linear infinite spin}.progress-copy .eyebrow{color:var(--brand);letter-spacing:.08em;margin-bottom:2px;font-size:11px;font-weight:800;display:block}.progress-copy h3{margin:0;font-size:18px;line-height:1.35}.progress-copy p{color:var(--muted);margin:4px 0 0;font-size:12.5px;line-height:1.55}.progress-percent{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:28px}.progress-percent small{margin-left:2px;font-size:13px}.progress-track{background:#dfe6f6;border-radius:999px;height:8px;margin:18px 0 10px;overflow:hidden}.progress-track span{border-radius:inherit;background:linear-gradient(90deg,#2457d6,#6288eb);height:100%;transition:width .7s;display:block;box-shadow:0 0 12px #2457d659}.progress-timing{color:var(--muted);font-variant-numeric:tabular-nums;justify-content:space-between;gap:14px;font-size:12px;display:flex}.progress-timing span{align-items:center;gap:5px;display:inline-flex}.generation-steps{grid-template-columns:repeat(6,minmax(0,1fr));margin:18px 0 0;padding:0;list-style:none;display:grid}.generation-steps li{color:#9aa4b4;text-align:center;justify-items:center;gap:5px;font-size:11px;display:grid;position:relative}.generation-steps li:before{content:"";z-index:0;background:#dfe4ec;height:2px;position:absolute;top:9px;left:calc(11px - 50%);right:calc(50% + 11px)}.generation-steps li:first-child:before{display:none}.generation-steps svg{z-index:1;background:#fff;width:19px;height:19px;padding:2px;position:relative}.generation-steps li.completed{color:var(--success)}.generation-steps li.active{color:var(--brand);font-weight:800}.generation-steps li.completed:before,.generation-steps li.active:before{background:#8fb9a8}.generation-steps li small{color:inherit;font-size:9px}.progress-assurance{background:var(--success-soft);color:var(--success);border-radius:9px;align-items:flex-start;gap:7px;margin-top:17px;padding:9px 11px;font-size:11.5px;display:flex}.progress-assurance svg{flex:none;margin-top:2px}.editor-layout{grid-template-columns:minmax(0,1fr) 310px;align-items:start;gap:20px;display:grid}.editor-toolbar{z-index:5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#f5f7faf0;justify-content:space-between;gap:12px;padding:10px 0 14px;display:flex;position:sticky;top:0}.tabs{border:1px solid var(--line);background:#fff;border-radius:11px;gap:4px;padding:4px;display:flex}.tab{min-height:38px;color:var(--muted);background:0 0;border:0;border-radius:8px;padding:7px 13px;font-weight:700}.tab.active{background:var(--brand-soft);color:var(--brand-dark)}.page-actions{align-items:center;gap:8px;display:flex}.paper-size-quick-select{border:1px solid var(--line);min-height:34px;color:var(--muted);background:#fff;border-radius:8px;align-items:center;gap:6px;padding:3px 4px 3px 9px;font-size:11px;font-weight:700;display:flex}.paper-size-quick-select select{color:var(--ink);font:inherit;cursor:pointer;background:0 0;border:0;outline:0}.print-spec-note{background:var(--brand-soft);color:var(--brand-dark);border-color:#cbd8ff;align-items:center;gap:12px;margin-bottom:14px;font-size:13px;display:flex}.print-spec-note strong{white-space:nowrap}.exam-sheet{background:var(--paper);box-shadow:var(--shadow);color:#080808;border:1px solid #ddd9ce;min-height:1020px;padding:46px 50px 58px 78px;font-family:SimSun,Songti SC,serif;line-height:1.72;position:relative}.exam-sheet.answer-edition{padding-left:54px}.exam-inner{min-width:0}.exam-sheet.paper-size-a3,.exam-sheet.paper-size-b4{min-height:650px;padding:38px 42px 48px 68px}.paper-size-a3 .exam-inner,.paper-size-b4 .exam-inner{column-count:2;column-rule:1px solid #d4d0c7;column-gap:34px}.paper-size-a3 .exam-section,.paper-size-b4 .exam-section{break-inside:auto}.paper-size-a3 .question-card,.paper-size-b4 .question-card,.paper-size-a3 .answer-block,.paper-size-b4 .answer-block{break-inside:avoid-column}.seal-line{writing-mode:vertical-rl;letter-spacing:2px;color:#333;border-right:1px dashed #555;justify-content:space-around;align-items:center;gap:20px;width:42px;height:920px;font-size:11px;display:flex;position:absolute;top:34px;left:16px}.seal-line:before,.seal-line:after{content:"✂";background:var(--paper);padding:2px 0;font-family:sans-serif;font-size:12px;position:absolute;right:-7px}.seal-line:before{top:16px}.seal-line:after{bottom:16px}.seal-line strong{letter-spacing:5px;font-family:SimHei,Microsoft YaHei,sans-serif}.formal-exam-header{text-align:center}.paper-label{letter-spacing:.35em;margin-bottom:5px;font-family:SimHei,Microsoft YaHei,sans-serif;font-size:12px;font-weight:700}.exam-title{text-align:center;letter-spacing:.04em;margin:0;font-family:SimHei,Microsoft YaHei,sans-serif;font-size:25px;line-height:1.35}.exam-facts{text-align:center;margin:8px 0 14px;font-size:13px}.candidate-line{border-top:1px solid #222;border-bottom:1px solid #222;flex-wrap:wrap;justify-content:center;gap:13px;padding:8px 4px;font-size:12px;display:flex}.exam-score-table{border-collapse:collapse;table-layout:fixed;text-align:center;width:100%;margin:16px 0;font-size:12px}.exam-score-table th,.exam-score-table td{border:1px solid #333;height:26px;padding:2px 4px}.exam-score-table th:first-child{width:54px;font-family:SimHei,Microsoft YaHei,sans-serif}.exam-score-table th{font-weight:700}.exam-instructions{margin:16px 0 24px;font-size:12.5px}.exam-instructions>strong{font-family:SimHei,Microsoft YaHei,sans-serif}.exam-instructions ol{margin:4px 0;padding-left:22px}.exam-instructions li{padding-left:2px}.exam-section h2{break-after:avoid;margin:26px 0 8px;font-family:SimHei,Microsoft YaHei,sans-serif;font-size:17px;line-height:1.5}.section-instruction{white-space:pre-wrap;text-align:justify;margin:8px 0 15px;font-size:14px}.question-card{text-align:justify;border:1px solid #0000;border-radius:8px;margin:12px -12px;padding:10px 12px;font-size:14.5px;position:relative}.question-card:hover{background:#ffffff80;border-color:#d7d2c7}.question-tools{border:1px solid var(--line);background:#fff;border-radius:8px;gap:4px;padding:3px;font-family:Microsoft YaHei,sans-serif;display:none;position:absolute;top:-17px;right:8px;box-shadow:0 6px 16px #0000001a}.question-card:hover .question-tools,.question-card:focus-within .question-tools{display:flex}.question-tool{width:32px;height:32px;color:var(--muted);background:#fff;border:0;border-radius:6px;place-items:center;display:grid}.question-tool:hover{background:var(--brand-soft);color:var(--brand)}.question-stem{white-space:pre-wrap}.question-stem>strong{font-family:SimHei,Microsoft YaHei,sans-serif}.question-points{white-space:nowrap}.stem-text{white-space:pre-wrap}.question-options{text-align:left;gap:4px 18px;margin:8px 0 2px;display:grid}.question-options.options-4{grid-template-columns:repeat(4,minmax(0,1fr))}.question-options.options-2{grid-template-columns:repeat(2,minmax(0,1fr))}.question-options.options-1{grid-template-columns:1fr}.question-image{object-fit:contain;width:auto;max-width:min(100%,520px);max-height:280px;margin:13px auto;display:block}.image-review{background:var(--success-soft);width:fit-content;color:var(--success);border-radius:999px;margin:6px auto 10px;padding:3px 9px;font-family:Microsoft YaHei,sans-serif;font-size:11px;font-weight:700}.missing-question-image{color:#754108;text-align:left;background:#fff8ea;border:1px dashed #b86817;border-radius:7px;gap:4px;margin:13px 0;padding:11px 14px;font-family:Microsoft YaHei,sans-serif;font-size:12px;line-height:1.6;display:grid}.missing-question-image strong{font-size:13px}.latex-formula{color:inherit;direction:ltr;unicode-bidi:isolate}.latex-inline{vertical-align:-.08em;white-space:nowrap;margin:0 .08em;display:inline-block}.latex-display{text-align:center;max-width:100%;margin:.7em auto;display:block;overflow:auto hidden}.latex-display .katex-display{margin:0}.question-stem .katex,.question-options .katex{font-size:1.04em}.answer-block .katex{font-size:1em}.answer-lines{margin-top:6px}.answer-space{border-bottom:1px dotted #999;min-height:26px;margin:4px 0}.composition-lines .answer-space{background-image:linear-gradient(90deg,#0000 0 calc(100% - 1px),#eee calc(100% - 1px));background-size:24px 100%;min-height:30px}.answer-block{break-inside:avoid;border-bottom:1px solid #bbb;padding:12px 0 14px}.answer-block h3{margin:0 0 5px;font-size:15px}.answer-block p{margin:4px 0;font-size:14px}.analysis{color:#444}.answer-meta{font-size:12px!important}.candidate-card{border:1px solid #222;min-height:110px;margin:16px 0 12px;padding:12px 168px 12px 12px;font-size:12px;position:relative}.candidate-fields{grid-template-columns:1fr 1fr;gap:10px 16px;display:grid}.barcode-box{text-align:center;border:1px dashed #555;align-content:center;place-items:center;width:110px;height:72px;line-height:1.35;display:grid;position:absolute;top:8px;right:50px}.absence-box{text-align:center;width:38px;line-height:1.3;position:absolute;top:8px;right:7px}.answer-card-notice{border:1px solid #222;margin:10px 0 18px;padding:8px 10px;font-size:12px;line-height:1.55}.answer-card-section{margin-top:18px}.answer-card-section h2{background:#eee;border:1px solid #222;margin:0;padding:5px 8px;font-family:SimHei,Microsoft YaHei,sans-serif;font-size:15px}.fill-example{border:0 solid #222;border-width:0 1px;gap:24px;padding:7px 10px;font-size:11px;display:flex}.objective-grid{border:1px solid #222;grid-template-columns:repeat(2,1fr);gap:8px 16px;padding:12px;font-family:Times New Roman,SimSun,serif;font-size:13px;display:grid}.objective-item{white-space:nowrap;align-items:center;gap:9px;display:flex}.subjective-region{break-inside:avoid;margin-top:12px}.region-heading{border:1px solid #222;border-bottom-width:0;padding:4px 8px;font-family:SimHei,Microsoft YaHei,sans-serif;font-size:13px}.region-writing-area{background-image:linear-gradient(#0000 31px,#ddd 32px);background-size:100% 32px;border:1px solid #222}.qa-panel{position:sticky;top:74px}.qa-header{background:var(--success-soft);border-bottom:1px solid #cce9dc;padding:20px}.qa-header h2{color:var(--success);margin:5px 0 0;font-size:18px}.qa-list{padding:10px 18px 18px}.qa-item{border-bottom:1px solid var(--line);padding:12px 0}.qa-item:last-child{border-bottom:0}.qa-item strong{align-items:center;gap:7px;font-size:14px;display:flex}.qa-item p{color:var(--muted);margin:4px 0 0 25px;font-size:12px}.edit-modal-backdrop{z-index:50;background:#0f172a7a;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.edit-modal{background:#fff;border-radius:16px;width:min(660px,100%);max-height:90vh;overflow:auto;box-shadow:0 28px 70px #00000038}.modal-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:18px 22px;display:flex}.modal-header h2{margin:0;font-size:18px}.modal-body{gap:16px;padding:22px;display:grid}.modal-actions{border-top:1px solid var(--line);justify-content:flex-end;gap:10px;padding:16px 22px;display:flex}.action-dialog-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0d162a94;animation:.18s ease-out modal-scrim-in}.action-dialog{background:#fff;border:1px solid #ffffffb8;border-radius:20px;width:min(540px,100%);animation:.24s ease-out modal-card-in;overflow:hidden;box-shadow:0 28px 80px #0c193747}.action-dialog-top{justify-content:space-between;align-items:center;padding:20px 22px 0;display:flex}.action-dialog-icon{background:var(--brand-soft);width:48px;height:48px;color:var(--brand);border-radius:14px;place-items:center;display:grid}.action-dialog-icon svg{width:23px;height:23px}.action-dialog-body{padding:14px 26px 24px}.action-dialog-body h2{letter-spacing:-.025em;margin:5px 0 8px;font-size:25px;line-height:1.3}.action-dialog-body>p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.action-dialog-promise{background:var(--success-soft);color:var(--success);border:1px solid #cce9dc;border-radius:12px;align-items:flex-start;gap:11px;margin-top:20px;padding:14px;display:flex}.action-dialog-promise svg{flex:none;margin-top:2px}.action-dialog-promise div{gap:2px;display:grid}.action-dialog-promise strong{font-size:13px}.action-dialog-promise span{color:#376b59;font-size:12px;line-height:1.6}.action-dialog-meta{color:var(--muted);justify-content:space-between;gap:10px;margin-top:14px;font-size:12px;display:flex}.action-dialog-meta span{align-items:center;gap:6px;display:inline-flex}.action-dialog-actions{border-top:1px solid var(--line);background:#fafbfc;justify-content:flex-end;gap:10px;padding:16px 22px;display:flex}.action-dialog-actions .button{min-width:138px}.operation-dialog{width:min(640px,100%)}.operation-hero{text-align:center;background:linear-gradient(145deg,#f3f7ff 0%,#fff 76%);padding:28px 28px 22px}.operation-orb{background:var(--brand);color:#fff;border-radius:50%;place-items:center;width:64px;height:64px;margin:0 auto 14px;display:grid;box-shadow:0 12px 28px #2457d647}.operation-orb svg{width:29px;height:29px}.operation-dialog.running .operation-orb svg,.operation-steps li.active svg{animation:1.1s linear infinite spin}.operation-dialog.success .operation-orb{background:var(--success)}.operation-dialog.error .operation-orb{background:var(--danger)}.operation-hero .eyebrow{justify-content:center}.operation-hero h2{margin:4px 0 6px;font-size:24px}.operation-hero p{max-width:500px;color:var(--muted);margin:auto;font-size:13px}.operation-content{padding:23px 28px 26px}.operation-progress-head{color:var(--muted);justify-content:space-between;align-items:center;font-size:12px;display:flex}.operation-progress-head strong{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:18px}.operation-progress-track{background:#dfe6f6;border-radius:99px;height:9px;margin-top:7px;overflow:hidden}.operation-progress-track span{border-radius:inherit;background:linear-gradient(90deg, var(--brand), #6d91ed);height:100%;transition:width .65s ease-out;display:block}.operation-steps{grid-template-columns:repeat(6,minmax(0,1fr));margin:22px 0 0;padding:0;list-style:none;display:grid}.operation-steps li{color:#9aa4b4;text-align:center;justify-items:center;gap:5px;min-width:0;font-size:10.5px;display:grid;position:relative}.operation-steps li:before{content:"";background:var(--line);height:2px;position:absolute;top:10px;left:calc(11px - 50%);right:calc(50% + 11px)}.operation-steps li:first-child:before{display:none}.operation-steps svg{z-index:1;background:#fff;width:21px;height:21px;padding:2px;position:relative}.operation-steps li.complete{color:var(--success)}.operation-steps li.active{color:var(--brand);font-weight:800}.operation-steps li.complete:before,.operation-steps li.active:before{background:#8dbbaa}.operation-steps small{color:inherit;font-size:9px}.operation-safety,.operation-error{border-radius:10px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;margin-top:22px;padding:11px 13px;font-size:11.5px;display:grid}.operation-safety{background:var(--success-soft);color:var(--success)}.operation-safety strong{white-space:nowrap;font-variant-numeric:tabular-nums}.operation-error{color:var(--danger);background:#fff0f1;grid-template-columns:auto minmax(0,1fr)}@keyframes modal-scrim-in{0%{opacity:0}}@keyframes modal-card-in{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:none}}.favorite-filter-panel{margin-bottom:18px;overflow:hidden}.favorite-filter-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;min-height:72px;padding:15px 20px;display:flex}.favorite-filter-heading h2{margin:0;font-size:17px}.favorite-filter-heading p{color:var(--muted);margin:2px 0 0;font-size:12px}.favorite-filters{background:#fafbfc;grid-template-columns:minmax(230px,2fr) repeat(4,minmax(120px,1fr));gap:10px;padding:16px 20px;display:grid}.favorite-filters select,.favorite-search{border:1px solid var(--line-strong);min-width:0;height:44px;color:var(--ink);background:#fff;border-radius:10px}.favorite-filters select{padding:8px 10px;font-size:13px}.favorite-search{align-items:center;gap:8px;padding:0 11px;display:flex}.favorite-search svg{color:var(--muted);flex:none}.favorite-search input{background:0 0;border:0;outline:0;width:100%;min-width:0;font-size:13px}.favorite-filter-actions{align-items:center;gap:4px;display:flex}.favorite-grid{columns:2;column-gap:16px}.favorite-card{break-inside:avoid;vertical-align:top;width:100%;min-width:0;margin:0 0 16px;padding:22px;display:inline-block;overflow:hidden}.favorite-card-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.favorite-context{color:var(--muted);align-items:center;gap:8px;margin-top:10px;font-size:12px;display:flex}.favorite-context span+span{border-left:1px solid var(--line);padding-left:8px}.favorite-card h2{overflow-wrap:anywhere;margin:13px 0 10px;font-size:17px;line-height:1.75}.favorite-card p{color:var(--muted);font-size:13px}.favorite-options{color:#354158;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 18px;margin:10px 0 14px;font-size:14px;display:grid}.favorite-image-wrap{border:1px solid var(--line);background:var(--paper);border-radius:12px;place-items:center;min-height:180px;margin:15px 0;display:grid;overflow:hidden}.favorite-question-image{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:340px}.favorite-answer{background:var(--surface-soft);color:#354158;overflow-wrap:anywhere;border-radius:9px;margin-top:12px;padding:11px 13px;font-size:13px;line-height:1.7}.favorite-source{align-items:center;gap:4px;margin-top:17px;display:inline-flex}.model-grid{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.model-info-card{padding:18px}.model-info-card h3{margin:10px 0 5px}.model-info-card p{color:var(--muted);margin:0;font-size:13px}.price{color:var(--brand-dark);margin-top:12px;font-size:13px;font-weight:800}.analytics-page{max-width:1420px}.analytics-filter-card{margin-bottom:18px;overflow:hidden}.analytics-filters{background:linear-gradient(135deg,#fbfcff,#f6f8fc);grid-template-columns:repeat(3,minmax(120px,.7fr)) minmax(210px,1.4fr) auto;align-items:end;gap:11px;padding:15px 18px;display:grid}.analytics-filters label{min-width:0;color:var(--muted);gap:6px;font-size:11px;font-weight:800;display:grid}.analytics-filters select{border:1px solid var(--line-strong);width:100%;min-width:0;height:42px;color:var(--ink);background:#fff;border-radius:9px;padding:0 10px;font-size:13px}.analytics-filter-actions{gap:5px;display:flex}.analytics-summary{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.analytics-kpi{min-width:0;padding:17px 18px}.analytics-kpi>span{color:var(--muted);align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.analytics-kpi>span svg{width:16px;color:var(--brand)}.analytics-kpi>strong{color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin-top:7px;font-size:clamp(22px,2.2vw,30px);line-height:1.15;display:block}.analytics-kpi>small{color:var(--muted);margin-top:6px;font-size:11px;display:block}.analytics-section{margin-bottom:18px;overflow:hidden}.analytics-section-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;min-height:74px;padding:17px 20px;display:flex}.analytics-section-head h2{margin:0;font-size:17px}.analytics-section-head p{color:var(--muted);margin:4px 0 0;font-size:12px;line-height:1.55}.analytics-table-wrap{overflow-x:auto}.analytics-table{border-collapse:collapse;color:#28344a;font-variant-numeric:tabular-nums;width:100%;min-width:1060px;font-size:12.5px}.analytics-table.compact{min-width:880px}.analytics-table th{border-bottom:1px solid var(--line);color:var(--muted);text-align:left;white-space:nowrap;background:#fafbfc;padding:11px 13px;font-size:11px}.analytics-table td{vertical-align:middle;border-bottom:1px solid #edf0f5;padding:13px}.analytics-table tbody tr:last-child td{border-bottom:0}.analytics-table tbody tr:hover{background:#fbfcff}.analytics-table td>small,.analytics-table td span>small{max-width:210px;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:10px;display:block;overflow:hidden}.model-cell{align-items:center;gap:9px;min-width:175px;display:flex}.model-cell>b{background:var(--brand-soft);width:24px;height:24px;color:var(--brand-dark);border-radius:7px;flex:none;place-items:center;font-size:11px;display:grid}.model-cell>span{min-width:0}.score-cell{min-width:84px}.score-cell>strong{white-space:nowrap}.score-cell>span{background:#e8edf6;border-radius:9px;width:76px;height:5px;margin-top:5px;display:block;overflow:hidden}.score-cell i{border-radius:inherit;background:var(--brand);height:100%;display:block}.analytics-two-column{grid-template-columns:minmax(0,1.25fr) minmax(340px,.75fr);gap:18px;display:grid}.analytics-scatter-wrap{padding:13px 16px 8px}.analytics-scatter{width:100%;height:auto;min-height:270px}.analytics-scatter line{stroke:#e8ecf2;stroke-width:1px}.analytics-scatter .axis{stroke:#9aa7ba}.analytics-scatter text{fill:#66748a;font-size:10px}.analytics-scatter .axis-label{font-size:11px;font-weight:700}.scatter-point circle{fill:#2457d6;fill-opacity:.78;stroke:#fff;stroke-width:2px}.scatter-point text{fill:#243149;paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round;font-size:10px;font-weight:800}.scatter-1 circle{fill:#16805d}.scatter-2 circle{fill:#b86817}.scatter-3 circle{fill:#7c3aed}.scatter-4 circle{fill:#c2415a}.scatter-5 circle{fill:#0879a6}.phase-bars{gap:17px;padding:19px 20px 23px;display:grid}.phase-row>div:first-child{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.phase-row strong{font-size:12px}.phase-row span{color:var(--muted);white-space:nowrap;font-size:10.5px}.phase-track{background:#e8edf6;border-radius:99px;height:8px;margin-top:7px;overflow:hidden}.phase-track i{border-radius:inherit;background:linear-gradient(90deg,var(--brand),#7898eb);height:100%;display:block}.analytics-paper-link{color:var(--brand-dark);font-weight:800}.analytics-paper-link:hover{text-decoration:underline}.analytics-no-data{color:var(--muted);text-align:center;margin:0;padding:38px 20px;font-size:13px}.analytics-pad{padding:32px 20px}.analytics-empty{text-align:center;justify-items:center;gap:9px;padding:70px 20px;display:grid}.analytics-empty>svg{background:var(--brand-soft);width:45px;height:45px;color:var(--brand);border-radius:14px;padding:10px}.analytics-empty h2{margin:5px 0 0;font-size:20px}.analytics-empty p{color:var(--muted);margin:0 0 10px}.analytics-methodology{color:#35518d;background:#f4f7ff;border:1px solid #cbd8f5;border-radius:12px;gap:11px;padding:15px 17px;display:flex}.analytics-methodology>svg{flex:none;margin-top:2px}.analytics-methodology strong{font-size:13px}.analytics-methodology p{color:#53698e;margin:4px 0 0;font-size:11.5px;line-height:1.75}.scan-page{max-width:1420px}.scan-fixed-models{max-width:390px;color:var(--muted);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:7px;font-size:11px;display:flex}.scan-fixed-models span{text-align:right;flex-basis:100%}.scan-fixed-models strong{background:var(--brand-soft);color:var(--brand-dark);border:1px solid #cbd8f5;border-radius:8px;padding:5px 9px;font-size:11px}.scan-fixed-models i{font-style:normal}.scan-layout{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:18px;display:grid}.scan-main{gap:16px;min-width:0;display:grid}.scan-progress{padding:15px 20px}.scan-steps{grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.scan-steps>div{color:#9aa5b5;text-align:center;justify-items:center;gap:6px;min-width:0;font-size:11px;display:grid;position:relative}.scan-steps>div:before{content:"";z-index:0;background:var(--line);height:2px;position:absolute;top:14px;left:calc(16px - 50%);right:calc(50% + 16px)}.scan-steps>div:first-child:before{display:none}.scan-steps span{z-index:1;border:2px solid var(--line);background:#fff;border-radius:50%;place-items:center;width:30px;height:30px;font-weight:900;display:grid;position:relative}.scan-steps strong{font-weight:700}.scan-steps .done,.scan-steps .active{color:var(--brand-dark)}.scan-steps .done span{border-color:var(--success);background:var(--success);color:#fff}.scan-steps .active span{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);box-shadow:0 0 0 4px #2457d614}.scan-steps .done:before,.scan-steps .active:before{background:#82b4a2}.scan-notice{min-height:46px;color:var(--brand-dark);background:#f4f7ff;border:1px solid #cbd8f5;border-radius:10px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;padding:10px 13px;font-size:13px;display:grid}.scan-notice button{width:30px;height:30px;color:inherit;cursor:pointer;background:0 0;border:0;place-items:center;display:grid}.scan-upload-card,.scan-selection,.scan-running{overflow:hidden}.scan-section-title{align-items:center;gap:13px;padding:21px 23px;display:flex}.scan-section-title.bordered{border-bottom:1px solid var(--line)}.scan-section-title>span{background:var(--brand-soft);width:44px;height:44px;color:var(--brand);border-radius:13px;flex:none;place-items:center;display:grid}.scan-section-title h2{margin:0;font-size:19px}.scan-section-title p{color:var(--muted);margin:4px 0 0;font-size:12px;line-height:1.55}.scan-upload-card form{padding:0 23px 23px}.scan-dropzone{width:100%;min-height:330px;color:var(--ink);cursor:pointer;background:linear-gradient(145deg,#f7f9ff,#fbfcfe);border:1.5px dashed #aab8d6;border-radius:14px;align-content:center;place-items:center;gap:10px;padding:28px;transition:border-color .18s,background .18s;display:grid;overflow:hidden}.scan-dropzone:hover{border-color:var(--brand);background:var(--brand-soft)}.scan-dropzone>span{width:58px;height:58px;color:var(--brand);box-shadow:var(--shadow);background:#fff;border-radius:18px;place-items:center;display:grid}.scan-dropzone strong{font-size:17px}.scan-dropzone small{max-width:540px;color:var(--muted);text-align:center;font-size:12px;line-height:1.6}.scan-dropzone.has-preview{background:var(--paper);padding:10px}.scan-dropzone img{object-fit:contain;width:100%;max-height:560px}.scan-upload-actions{justify-content:space-between;align-items:center;gap:16px;margin-top:14px;display:flex}.scan-upload-actions>div{gap:3px;min-width:0;display:grid}.scan-upload-actions strong{text-overflow:ellipsis;white-space:nowrap;max-width:500px;font-size:13px;overflow:hidden}.scan-upload-actions small{color:var(--muted);font-size:11px}.scan-running{padding:24px}.scan-running-top{grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:15px;display:grid}.scan-running-top h2{margin:4px 0;font-size:20px}.scan-running-top p{color:var(--muted);margin:0;font-size:12px}.scan-running-top>strong{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:25px}.scan-orb{background:var(--brand);color:#fff;border-radius:18px;place-items:center;width:56px;height:56px;display:grid;box-shadow:0 12px 25px #2457d63d}.scan-orb svg{animation:2.4s linear infinite spin}.scan-progress-track{background:#e4eaf5;border-radius:99px;height:9px;margin:20px 0 14px;overflow:hidden}.scan-progress-track i{border-radius:inherit;background:linear-gradient(90deg,var(--brand),#7797ed);height:100%;transition:width .6s;display:block}.scan-model-lock{color:var(--muted);background:#f6f8fc;border-radius:10px;grid-template-columns:1fr auto 1fr auto;align-items:center;gap:9px;padding:10px 12px;font-size:11px;display:grid}.scan-model-lock span{align-items:center;gap:6px;display:inline-flex}.scan-model-lock strong{color:var(--ink)}.scan-source-thumb{object-fit:contain;border:1px solid var(--line);background:var(--paper);border-radius:12px;width:100%;max-height:430px;margin-top:16px}.scan-selection-bar{border-bottom:1px solid var(--line);color:var(--muted);background:#fafbfc;justify-content:space-between;align-items:center;padding:11px 20px;font-size:12px;display:flex}.scan-selection-bar strong{color:var(--brand-dark);font-size:16px}.scan-selection-bar div{gap:5px;display:flex}.scan-selection-bar button{min-height:34px;color:var(--brand-dark);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:4px 9px;font-weight:700}.scan-candidate-grid{gap:11px;padding:16px 20px;display:grid}.scan-candidate{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;grid-template-columns:24px minmax(0,1fr);gap:12px;padding:16px;transition:border-color .18s,background .18s;display:grid;position:relative}.scan-candidate:hover{border-color:#aabce9}.scan-candidate.selected{border-color:var(--brand);box-shadow:inset 3px 0 var(--brand);background:#f7f9ff}.scan-candidate input{opacity:0;pointer-events:none;position:absolute}.scan-checkbox{color:#fff;background:#fff;border:1.5px solid #aab5c7;border-radius:7px;place-items:center;width:23px;height:23px;display:grid}.scan-candidate.selected .scan-checkbox{border-color:var(--brand);background:var(--brand)}.scan-candidate-body{color:#26334b;gap:10px;min-width:0;font-size:14px;line-height:1.75;display:grid}.scan-candidate-body .meta-row{gap:7px}.scan-candidate-body .meta-row b{color:var(--brand-dark)}.scan-candidate-body .meta-row em{background:var(--surface-soft);color:var(--muted);border-radius:99px;align-items:center;gap:3px;padding:2px 7px;font-size:10px;font-style:normal;display:inline-flex}.scan-candidate-body .meta-row small{color:var(--muted);margin-left:auto;font-size:10px}.scan-candidate-body>small{color:var(--muted)}.scan-candidate-text{color:#16243e;overflow-wrap:anywhere;white-space:pre-line;min-width:0;font-family:SimSun,Times New Roman,serif;font-size:16px;line-height:1.95;display:block}.scan-candidate-text .latex-inline{vertical-align:-.12em;margin-inline:.12em}.scan-candidate-text .latex-display{white-space:normal;margin-block:.65em}.scan-selection-footer{border-top:1px solid var(--line);background:#fafbfc;justify-content:space-between;align-items:center;gap:18px;padding:15px 20px;display:flex}.scan-selection-footer>div{gap:3px;display:grid}.scan-selection-footer strong{font-size:12px}.scan-selection-footer span{color:var(--muted);font-size:11px}.scan-results{gap:14px;display:grid}.scan-result-summary{justify-content:space-between;align-items:center;gap:18px;padding:20px 22px;display:flex}.scan-result-summary h2{margin:9px 0 3px;font-size:21px}.scan-result-summary p{color:var(--muted);margin:0;font-size:12px}.scan-question{padding:22px}.scan-question>header{justify-content:space-between;align-items:center;gap:14px;display:flex}.scan-question>header .meta-row>strong{color:var(--brand-dark);font-size:13px}.scan-question-actions{gap:6px;display:flex}.scan-question-actions button{border:1px solid var(--line);width:42px;height:42px;color:var(--muted);cursor:pointer;background:#fff;border-radius:10px;place-items:center;display:grid}.scan-question-actions button:hover{color:var(--brand);border-color:#9eb2e2}.scan-question-actions button.danger:hover{color:var(--danger);border-color:#e8afb4}.scan-question-actions svg{width:17px}.scan-question-stem{color:#16243e;overflow-wrap:anywhere;white-space:pre-line;margin-top:17px;font-family:SimSun,Times New Roman,serif;font-size:17px;line-height:1.95}.scan-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 24px;margin:10px 0;font-family:SimSun,Times New Roman,serif;font-size:15px;line-height:1.7;display:grid}.scan-option{overflow-wrap:anywhere;white-space:pre-line;min-width:0;padding:5px 8px}.scan-question-image{object-fit:contain;border:1px solid var(--line);border-radius:10px;width:auto;max-width:min(100%,680px);max-height:430px;margin:14px auto;display:block}.scan-answer-grid{border:1px solid var(--line);background:var(--line);border-radius:10px;grid-template-columns:1fr 1fr;gap:1px;margin-top:17px;display:grid;overflow:hidden}.scan-answer-grid>div{background:#fbfcfe;gap:5px;min-width:0;padding:12px 14px;font-size:13px;line-height:1.7;display:grid}.scan-answer-grid .wide{grid-column:1/-1}.scan-answer-grid>div>span:first-child{color:var(--muted);font-size:10px;font-weight:800}.scan-rich-text{color:#26334b;overflow-wrap:anywhere;white-space:pre-line;min-width:0;font-family:SimSun,Times New Roman,serif;font-size:14px;line-height:1.8}.scan-rich-text .latex-display,.scan-question-stem .latex-display,.scan-option .latex-display{white-space:normal}.scan-self-review{border:1px solid;border-radius:10px;margin-top:14px;padding:13px 15px}.scan-self-review.passed{background:var(--success-soft);color:var(--success);border-color:#b9dfd0}.scan-self-review.warning{background:var(--warning-soft);color:var(--warning);border-color:#edc994}.scan-self-review>div{align-items:flex-start;gap:9px;display:flex}.scan-self-review>div>span{flex:none}.scan-self-review svg{width:18px}.scan-self-review strong{font-size:12px}.scan-self-review p{color:#4f6274;margin:3px 0 0;font-size:11px}.scan-self-review details{color:#4f6274;margin:10px 0 0 27px;font-size:11px}.scan-self-review summary{cursor:pointer;font-weight:800}.scan-self-review ul{gap:5px;margin:8px 0 0;padding:0;list-style:none;display:grid}.scan-self-review li{grid-template-columns:34px minmax(0,1fr);gap:7px;display:grid}.scan-self-review li b{font-size:10px}.scan-history{position:sticky;top:28px;overflow:hidden}.scan-history .card-heading p{color:var(--muted);margin:3px 0 0;font-size:11px}.scan-history>div:last-child{max-height:650px;overflow-y:auto}.scan-history button{border:0;border-bottom:1px solid var(--line);width:100%;min-height:68px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;grid-template-columns:36px minmax(0,1fr) 16px;align-items:center;gap:9px;padding:10px 12px;display:grid}.scan-history button:hover,.scan-history button.active{background:#f5f8ff}.scan-history button.active{box-shadow:inset 3px 0 var(--brand)}.scan-history button>span:nth-child(2){gap:4px;min-width:0;display:grid}.scan-history button strong,.scan-history button small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.scan-history button strong{font-size:12px}.scan-history button small{color:var(--muted);font-size:10px}.scan-history button>svg{color:#9ca7b8;width:14px}.scan-history-icon{background:var(--brand-soft);width:35px;height:35px;color:var(--brand);border-radius:10px;place-items:center;display:grid}.scan-history-icon.completed{background:var(--success-soft);color:var(--success)}.scan-history-icon.failed{color:var(--danger);background:#fff0f1}.scan-history-icon svg{width:17px}.scan-history-empty{color:var(--muted);text-align:center;padding:35px 16px;font-size:11px}.scan-failed,.scan-empty{text-align:center;justify-items:center;gap:9px;padding:48px 24px;display:grid}.scan-failed>svg,.scan-empty>svg{width:48px;height:48px;color:var(--danger);background:#fff0f1;border-radius:14px;padding:11px}.scan-failed h2,.scan-empty h3{margin:4px 0 0}.scan-failed p{max-width:650px;color:var(--muted);margin:0 0 8px;line-height:1.7}.scan-delete-icon{color:var(--danger);background:#fff0f1;margin-bottom:12px;display:grid}.reference-generation-panel{margin-top:18px}.generation-mode-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.generation-mode-grid>button{text-align:left;color:var(--muted);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:14px;grid-template-columns:44px minmax(0,1fr) 22px;align-items:center;gap:3px 12px;padding:16px;display:grid;position:relative}.generation-mode-grid>button>span{width:44px;height:44px;color:var(--brand);background:var(--brand-soft);border-radius:12px;grid-row:1/3;place-items:center;display:grid}.generation-mode-grid>button strong{color:var(--ink);font-size:16px}.generation-mode-grid>button small{grid-column:2;line-height:1.5}.generation-mode-grid>button>svg{color:var(--brand);grid-area:1/3/3}.generation-mode-grid>button.selected{border-color:var(--brand);background:#f7f9ff;box-shadow:0 0 0 2px #2563eb14}.prompt-inline-workspace{border:1px solid var(--line);background:#f8fafc;border-radius:14px;margin-top:14px;overflow:hidden}.prompt-inline-header{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px 16px;display:grid}.prompt-inline-header>span:first-child{width:42px;height:42px;color:var(--brand);background:var(--brand-soft);border-radius:11px;place-items:center;display:grid}.prompt-inline-header>span:first-child svg{width:21px}.prompt-inline-header strong{font-size:14px}.prompt-inline-header p{color:var(--muted);margin:3px 0 0;font-size:11px}.prompt-inline-header .badge{white-space:nowrap}.prompt-inline-body{padding:16px}.prompt-mode-summary{background:linear-gradient(135deg,#f5f8ff,#fff);border:1px solid #b8ccff;border-radius:13px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:12px;margin-top:14px;padding:14px 15px;display:grid}.prompt-mode-summary>span{width:42px;height:42px;color:var(--brand);background:var(--brand-soft);border-radius:11px;place-items:center;display:grid}.prompt-mode-summary>div{min-width:0}.prompt-mode-summary strong{margin-bottom:4px;font-size:14px;display:block}.prompt-mode-summary p{color:#34445e;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:13px;line-height:1.55;display:-webkit-box;overflow:hidden}.prompt-mode-summary small{color:var(--muted);margin-top:5px;line-height:1.45;display:block}.prompt-requirement-lock{color:var(--success);background:var(--success-soft);border:1px solid #cce9dc;border-radius:11px;align-items:flex-start;gap:10px;margin-top:18px;padding:12px 14px;display:flex}.prompt-requirement-lock>svg{flex:none;width:18px;margin-top:1px}.prompt-requirement-lock strong{font-size:13px}.prompt-requirement-lock p{color:#476b5f;margin:3px 0 0;font-size:11px;line-height:1.55}.prompt-dialog-backdrop{z-index:80;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#0d162a9e;place-items:center;padding:22px;animation:.18s ease-out modal-scrim-in;display:grid;position:fixed;inset:0}.prompt-dialog{background:#fff;border:1px solid #ffffffbf;border-radius:22px;grid-template-rows:auto minmax(0,1fr) auto;width:min(900px,100%);max-height:calc(100vh - 44px);animation:.24s ease-out modal-card-in;display:grid;overflow:hidden;box-shadow:0 32px 90px #0c193752}.prompt-dialog-header{border-bottom:1px solid var(--line);background:linear-gradient(140deg,#f2f6ff 0%,#fff 75%);grid-template-columns:52px minmax(0,1fr) 38px;align-items:start;gap:15px;padding:22px 24px 18px;display:grid}.prompt-dialog-icon{color:#fff;background:linear-gradient(145deg,var(--brand),#6f91ec);border-radius:15px;place-items:center;width:52px;height:52px;display:grid;box-shadow:0 10px 24px #2563eb3b}.prompt-dialog-icon svg{width:25px;height:25px}.prompt-dialog-header h2{letter-spacing:-.025em;margin:3px 0 5px;font-size:25px}.prompt-dialog-header p{color:var(--muted);margin:0;font-size:12px}.prompt-dialog-body{padding:22px 24px 24px;overflow:auto}.prompt-dialog-field-head,.prompt-presets-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.prompt-dialog-field-head label{font-size:15px;font-weight:800}.prompt-dialog-field-head span,.prompt-presets-head span{color:var(--muted);font-size:11px}.prompt-dialog-textarea{resize:vertical;width:100%;min-height:126px;color:var(--ink);font:inherit;background:#fbfcff;border:1px solid #b8c4d7;border-radius:13px;outline:none;margin-top:9px;padding:15px 16px;font-size:14px;line-height:1.75}.prompt-dialog-textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px #2563eb1c}.prompt-dialog-error{color:var(--danger);align-items:center;gap:6px;margin:7px 0 0;font-size:12px;display:flex}.prompt-dialog-error svg{width:14px;height:14px}.prompt-presets-head{margin-top:20px}.prompt-presets{grid-template-columns:1fr 1fr;gap:9px;margin-top:9px;display:grid}.prompt-presets button{text-align:left;min-width:0;color:inherit;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:11px;gap:4px;padding:11px 12px;display:grid}.prompt-presets button:hover{background:#f7f9ff;border-color:#9eb8fb;transform:translateY(-1px)}.prompt-presets button strong{color:var(--brand-dark);font-size:12px}.prompt-presets button span{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:11px;line-height:1.5;display:-webkit-box;overflow:hidden}.prompt-basic-options{border:1px solid var(--line);background:#f8fafc;border-radius:13px;grid-template-columns:1fr 1fr 1.25fr;align-items:end;gap:16px;margin-top:20px;padding:15px;display:grid}.prompt-basic-options>div{gap:7px;display:grid}.prompt-choice-row{grid-template-columns:repeat(3,1fr);gap:5px;display:grid}.prompt-choice-row button{color:#4c5d75;cursor:pointer;background:#fff;border:1px solid #ccd4e1;border-radius:8px;min-height:35px}.prompt-choice-row button.selected{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand);font-weight:800}.prompt-image-toggle{cursor:pointer;background:#fff;border-radius:10px;align-items:center;gap:9px;min-height:58px;padding:8px 10px;display:flex}.prompt-image-toggle input{accent-color:var(--brand)}.prompt-image-toggle span{gap:2px;display:grid}.prompt-image-toggle strong{font-size:12px}.prompt-image-toggle small{color:var(--muted);font-size:10px;line-height:1.4}.prompt-safety-note{color:var(--success);background:var(--success-soft);border:1px solid #cce9dc;border-radius:11px;align-items:flex-start;gap:10px;margin-top:15px;padding:12px 13px;display:flex}.prompt-safety-note>svg{flex:none;width:18px;margin-top:1px}.prompt-safety-note div{gap:3px;display:grid}.prompt-safety-note strong{font-size:12px}.prompt-safety-note span{color:#3d6d5c;font-size:11px;line-height:1.55}.prompt-dialog-actions{border-top:1px solid var(--line);background:#fafbfc;justify-content:flex-end;gap:10px;padding:15px 22px;display:flex}.prompt-dialog-actions .button{min-width:130px}.reference-workspace{border:1px solid var(--line);background:#f8fafc;border-radius:14px;margin-top:14px;padding:16px}.reference-upload-row{grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:12px;display:grid}.reference-file-picker{text-align:left;cursor:pointer;background:#fff;border:1px dashed #aebbd0;border-radius:12px;align-items:center;gap:12px;min-height:70px;padding:12px 15px;display:flex}.reference-file-picker>span:first-child,.reference-file-icon{width:42px;height:42px;color:var(--brand);background:var(--brand-soft);border-radius:10px;flex:none;place-items:center;display:grid}.reference-file-picker>span:last-child{gap:4px;display:grid}.reference-file-picker small,.reference-summary small{color:var(--muted)}.reference-running{grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:14px;display:grid}.reference-running-icon{width:48px;height:48px;color:var(--brand);background:var(--brand-soft);border-radius:50%;place-items:center;display:grid}.reference-running p{color:var(--muted);margin:4px 0 9px}.reference-running div>div{background:#e2e8f0;border-radius:99px;height:7px;overflow:hidden}.reference-running i{background:linear-gradient(90deg,var(--brand),#60a5fa);height:100%;display:block}.reference-failed{color:#9a3412;justify-content:space-between;align-items:center;gap:14px;display:flex}.reference-summary{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding-bottom:14px;display:flex}.reference-summary>div{flex:1;gap:4px;min-width:0;display:grid}.reference-summary>div strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.reference-summary>button,.reference-candidate-head button{color:var(--brand);cursor:pointer;background:0 0;border:0}.reference-method-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;display:grid}.reference-method-grid label{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:11px;grid-template-columns:20px minmax(0,1fr);gap:4px 9px;padding:13px;display:grid}.reference-method-grid label.selected{border-color:var(--brand);background:#f7f9ff}.reference-method-grid input{grid-row:1/3;align-self:start;margin-top:3px}.reference-method-grid span{color:var(--muted);font-size:12px;line-height:1.55}.similarity-control{border:1px solid var(--line);background:#fff;border-radius:11px;margin-top:14px;padding:13px 14px}.similarity-control>div:first-child,.similarity-control>div:last-child{justify-content:space-between;gap:10px;display:flex}.similarity-control>div:first-child strong{color:var(--brand)}.similarity-control>div:last-child{color:var(--muted);font-size:11px}.similarity-control input{width:100%;accent-color:var(--brand);margin:10px 0 7px}.reference-candidate-head{justify-content:space-between;gap:12px;margin:16px 0 9px;display:flex}.reference-candidate-head div{gap:10px;display:flex}.reference-candidate-list{gap:8px;max-height:470px;padding-right:3px;display:grid;overflow:auto}.reference-candidate-list>label{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;grid-template-columns:22px minmax(0,1fr);gap:10px;padding:12px;display:grid}.reference-candidate-list>label.selected{background:#f8faff;border-color:#9bb6ff}.reference-candidate-list input{opacity:0;pointer-events:none;position:absolute}.reference-check{color:#fff;background:#fff;border:1px solid #b9c3d3;border-radius:6px;place-items:center;width:20px;height:20px;display:grid}.reference-candidate-list>label.selected .reference-check{background:var(--brand);border-color:var(--brand)}.reference-check svg{width:13px}.reference-candidate-copy{gap:6px;min-width:0;display:grid}.reference-candidate-copy>span:first-child{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.reference-candidate-copy em{color:#52627a;background:#eef2f7;border-radius:99px;padding:2px 7px;font-size:11px;font-style:normal}.reference-candidate-copy small{color:var(--muted)}.reference-candidate-copy>span:first-child small{margin-left:auto}@media (max-width:1000px){.hero{gap:30px}.feature-grid,.stat-grid{grid-template-columns:1fr 1fr}.content-grid,.wizard,.editor-layout{grid-template-columns:1fr}.cost-panel,.qa-panel{position:static}.qa-panel{order:-1}.form-grid-3,.dynamic-context-grid,.dynamic-context-grid.without-semester,.replica-derived-grid{grid-template-columns:1fr 1fr}.dashboard-filters,.favorite-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.favorite-search,.dashboard-search{grid-column:span 2}.dashboard-pagination{grid-template-columns:1fr auto}.page-size-form{grid-column:1/-1;justify-self:end}.analytics-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.analytics-summary{grid-template-columns:repeat(3,minmax(0,1fr))}.analytics-two-column,.scan-layout{grid-template-columns:1fr}.scan-history{order:2;position:static}.scan-history>div:last-child{grid-template-columns:repeat(2,minmax(0,1fr));max-height:none;display:grid}}@media (max-width:760px){.marketing-nav{padding:16px}.nav-actions .button-secondary{display:none}.hero{grid-template-columns:1fr;padding:48px 18px}.hero-preview{transform:none}.feature-grid,.auth-page{grid-template-columns:1fr}.auth-aside{display:none}.auth-main{min-height:100vh;padding:24px}.app-shell{grid-template-columns:1fr}.sidebar{display:none}.mobile-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff0;justify-content:space-between;align-items:center;height:62px;padding:0 16px;display:flex;position:sticky;top:0}.mobile-nav{z-index:19;border-bottom:1px solid var(--line);box-shadow:var(--shadow);background:#fff;padding:14px;position:fixed;inset:62px 0 auto}.page{padding:24px 16px 60px}.page-header{display:grid}.page-header h1{font-size:26px}.stat-grid{grid-template-columns:1fr 1fr}.form-card{padding:18px}.form-grid,.form-grid-3,.paper-size-grid{grid-template-columns:1fr}.favorite-picker-summary{grid-template-columns:1fr 1fr}.favorite-picker-summary p{grid-column:1/-1}.favorite-picker-filters{grid-template-columns:1fr 1fr}.favorite-picker-search{grid-column:1/-1}.favorite-choice-grid{grid-template-columns:1fr}.generation-progress{padding:17px}.generation-progress-head{grid-template-columns:42px minmax(0,1fr)}.progress-orb{width:42px;height:42px}.progress-percent{grid-column:1/-1;justify-self:end;margin-top:-38px;font-size:23px}.progress-copy{padding-right:56px}.progress-timing{gap:3px;display:grid}.generation-steps{grid-template-columns:repeat(3,1fr);row-gap:14px}.generation-steps li:before{display:none}.submit-bar{flex-direction:column;align-items:stretch}.submit-bar .button{width:100%}.exam-sheet,.exam-sheet.answer-edition{padding:30px 18px}.seal-line{display:none}.exam-title{font-size:21px}.exam-score-table{font-size:11px}.candidate-card{padding:96px 12px 12px}.barcode-box{top:12px;left:12px;right:auto}.absence-box{top:12px;right:12px}.candidate-fields,.objective-grid{grid-template-columns:1fr}.editor-toolbar{display:grid;position:static}.page-actions{flex-wrap:wrap}.question-options{grid-template-columns:1fr}.question-tools{width:fit-content;margin-top:9px;display:flex;position:static}.favorite-grid{columns:1}.model-grid{grid-template-columns:1fr}.operation-steps{grid-template-columns:repeat(3,1fr);row-gap:15px}.operation-steps li:before{display:none}.dashboard-task{grid-template-columns:42px minmax(0,1fr)}.dashboard-task>.button{grid-column:1/-1}.dashboard-task-meta{gap:3px;display:grid}.dashboard-filters{grid-template-columns:1fr 1fr;padding:14px}.dashboard-search,.dashboard-filter-actions{grid-column:1/-1}.favorite-filters{grid-template-columns:1fr 1fr;padding:14px}.favorite-search{grid-column:1/-1}.dashboard-pagination{grid-template-columns:1fr;justify-items:center}.page-size-form{grid-column:auto;justify-self:center}.pagination-pages{flex-wrap:wrap;max-width:100%}.favorite-filter-actions{grid-column:1/-1}.analytics-filters,.analytics-summary{grid-template-columns:1fr 1fr}.scan-fixed-models{justify-content:flex-start}.scan-fixed-models span{text-align:left}.scan-dropzone{min-height:250px}.scan-upload-actions,.scan-selection-footer,.scan-result-summary{flex-direction:column;align-items:stretch}.scan-running-top{grid-template-columns:46px minmax(0,1fr)}.scan-running-top>strong{grid-column:2;justify-self:end;margin-top:-48px}.scan-orb{width:46px;height:46px}.scan-model-lock{grid-template-columns:1fr auto}.scan-question>header{align-items:flex-start}.scan-answer-grid{grid-template-columns:1fr}.scan-answer-grid .wide{grid-column:auto}}@media (max-width:700px){.generation-mode-grid,.reference-method-grid{grid-template-columns:1fr}.prompt-mode-summary{grid-template-columns:42px minmax(0,1fr)}.prompt-mode-summary>button{grid-column:2;justify-self:start}.prompt-dialog-backdrop{padding:0}.prompt-dialog{border-radius:0;height:100%;max-height:100vh}.prompt-dialog-header{grid-template-columns:44px minmax(0,1fr) 34px;gap:11px;padding:17px 16px 14px}.prompt-dialog-icon{border-radius:12px;width:44px;height:44px}.prompt-dialog-header h2{font-size:20px}.prompt-dialog-body{padding:17px 16px 20px}.prompt-presets,.prompt-basic-options{grid-template-columns:1fr}.prompt-dialog-actions{padding:12px 14px}.prompt-inline-header{grid-template-columns:42px minmax(0,1fr)}.prompt-inline-header .badge{grid-column:2;width:fit-content}.prompt-inline-body{padding:14px}.dynamic-section-heading{gap:8px;display:grid}.dynamic-context-grid,.dynamic-context-grid.without-semester,.exam-specific-fields.with-round{grid-template-columns:1fr}.exam-type-explanation{flex-direction:column;align-items:flex-start}.exam-type-explanation>span{white-space:normal}.dynamic-section-heading .badge{width:fit-content}.dynamic-default-note{text-align:left;max-width:none}.replica-derived-grid{grid-template-columns:1fr}.advanced-settings-body{padding:14px}.reference-upload-row{grid-template-columns:1fr}.reference-summary{flex-wrap:wrap;align-items:flex-start}.reference-summary .badge{margin-left:54px}.reference-running{grid-template-columns:42px minmax(0,1fr)}.reference-running>b{grid-column:2;justify-self:end;margin-top:-42px}.similarity-control>div:last-child{grid-template-columns:1fr;display:grid}}@media (max-width:430px){.stat-grid{grid-template-columns:1fr}.tabs{overflow-x:auto}.paper-row,.dashboard-filters,.favorite-filters{grid-template-columns:1fr}.favorite-picker-toggle{grid-template-columns:38px minmax(0,1fr) 22px;padding:12px}.favorite-picker-toggle-icon{width:38px;height:38px}.favorite-picker-toggle .badge{grid-column:2}.favorite-picker-chevron{grid-area:1/3}.favorite-picker-content{padding:12px}.favorite-picker-summary,.favorite-picker-filters{grid-template-columns:1fr}.favorite-picker-summary p,.favorite-picker-search{grid-column:auto}.favorite-choice{grid-template-columns:22px minmax(0,1fr)}.favorite-choice-image{grid-column:2;width:100%}.favorite-search,.favorite-filter-actions,.dashboard-search,.dashboard-filter-actions{grid-column:auto}.action-dialog-body{padding:12px 20px 20px}.action-dialog-body h2{font-size:22px}.action-dialog-meta{display:grid}.action-dialog-actions{grid-template-columns:1fr 1fr;padding:14px 16px;display:grid}.action-dialog-actions .button{min-width:0}.operation-hero,.operation-content{padding-left:20px;padding-right:20px}.operation-safety{grid-template-columns:auto minmax(0,1fr)}.operation-safety strong{grid-column:2}.favorite-options,.analytics-filters,.analytics-summary{grid-template-columns:1fr}.analytics-filter-actions .button{flex:1}.scan-progress{padding:12px 8px}.scan-steps strong{font-size:9px}.scan-steps>div:before{top:12px;left:calc(13px - 50%);right:calc(50% + 13px)}.scan-steps span{width:26px;height:26px;font-size:10px}.scan-section-title{align-items:flex-start;padding:17px}.scan-upload-card form,.scan-candidate-grid{padding-left:13px;padding-right:13px}.scan-dropzone{min-height:210px;padding:18px}.scan-running{padding:17px}.scan-candidate-body .meta-row small{width:100%;margin-left:0}.scan-question{padding:16px}.scan-question>header{display:grid}.scan-options,.scan-history>div:last-child{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{:root{--paper:#fff}body{background:#fff}.no-print,.skip-link,.sidebar,.mobile-header,.editor-toolbar,.qa-panel{display:none!important}.app-shell,.editor-layout{display:block}.page{max-width:none;padding:0}.exam-sheet{box-shadow:none;border:0;min-height:0;padding:0 0 0 13mm}.exam-sheet.answer-edition{padding-left:0}.exam-sheet.paper-size-a3,.exam-sheet.paper-size-b4{min-height:0;padding:0 0 0 13mm}.paper-size-a3 .exam-inner,.paper-size-b4 .exam-inner{column-rule:.25mm solid #bbb;column-gap:12mm}.seal-line{width:9mm;height:240mm;top:0;left:0}.question-card:not(.long-answer),.answer-block,.subjective-region{break-inside:avoid}.question-card.long-answer{break-inside:auto}.exam-section h2,.region-heading{break-after:avoid}.question-card:hover{background:0 0;border-color:#0000}.latex-display{break-inside:avoid;overflow:visible}@page{size:A4;margin:12mm 14mm}}