@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.18.4"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.invisible{visibility:hidden}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.block{display:block}.hidden{display:none}.inline{display:inline}.shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.border{border-style:var(--tw-border-style);border-width:1px}.font-sans{font-family:var(--font-sans)}.italic{font-style:italic}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.outline-hidden{--tw-outline-style:none;outline-style:none}@media(forced-colors:active){.outline-hidden{outline-offset:2px;outline:2px solid #0000}}}:root{color:#1d2925;font-synthesis:none;text-rendering:optimizelegibility;--green-950:#fff;--green-800:#0a5ec0;--green-700:#0071e3;--green-100:#eaf3ff;--ink:#1d2925;--muted:#687570;--line:#dfe5e2;--surface:#fff;--amber:#b87818;--blue:#346d9c;--rose:#a9515d;background:#f5f7f6;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{background:#f5f7f6;min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:1px;outline:3px solid #2b6a5733}button:disabled{cursor:not-allowed;opacity:.48}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-shell{min-height:100vh}.sidebar{z-index:30;background:var(--green-950);color:#e8f1ed;border-right:1px solid #e5e5ea;flex-direction:column;width:248px;display:flex;position:fixed;inset:0 auto 0 0}.brand{border-bottom:1px solid #ffffff17;align-items:center;gap:11px;height:72px;padding:0 20px;display:flex}.brand-mark{color:#fff;background:#f4c45e;border-radius:7px;place-items:center;width:36px;height:36px;display:grid}.brand>div:nth-child(2){flex-direction:column;display:flex}.brand strong{letter-spacing:0;color:#fff;font-family:inherit;font-size:22px;line-height:1.1}.brand span{color:#9db6ae;letter-spacing:0;margin-top:3px;font-size:11px}.sidebar-close{margin-left:auto;display:none;color:#fff!important}.subject-switcher{background:#ffffff0e;border:1px solid #ffffff1f;border-radius:7px;grid-template-columns:34px 1fr 16px;align-items:center;gap:9px;margin:18px 14px 10px;padding:11px;display:grid}.subject-icon{color:#51452e;background:#e7d8aa;border-radius:6px;place-items:center;width:34px;height:34px;font-weight:700;display:grid}.subject-switcher div:nth-child(2){flex-direction:column;display:flex}.subject-switcher span{color:#9db6ae;font-size:10px}.subject-switcher strong{margin-top:2px;font-size:13px}.nav-group{flex-direction:column;gap:3px;padding:12px 11px;display:flex}.nav-label{color:#74968b;padding:0 11px 8px;font-size:10px}.nav-group a{color:#bcd0c9;border-radius:6px;align-items:center;gap:11px;min-height:42px;padding:0 12px;font-size:14px;display:flex}.nav-group a.active{color:#fff;background:#2a5f50;box-shadow:inset 3px 0 #f1be55}.nav-group a small{background:#ffffff1a;border-radius:10px;margin-left:auto;padding:2px 7px}.nav-secondary{border-top:1px solid #ffffff14;margin-top:auto}.sidebar-plan{background:#1b483d;border:1px solid #2e6052;border-radius:7px;margin:0 14px 12px;padding:12px;font-size:11px}.sidebar-plan>div:first-child{grid-template-columns:18px 1fr;align-items:center;gap:3px 7px;display:grid}.sidebar-plan svg{color:#f4c45e}.sidebar-plan strong{font-size:12px}.sidebar-plan span{color:#9db6ae;grid-column:2}.meter{background:#345d52;border-radius:4px;height:4px;margin:10px 0 8px;overflow:hidden}.meter i{background:#f1be55;height:100%;display:block}.sidebar-plan a{color:#d5e5df}.profile{border-top:1px solid #ffffff17;grid-template-columns:36px 1fr 16px;align-items:center;gap:9px;min-height:68px;padding:12px 16px;display:grid}.avatar,.mini-avatar{color:#153a31;background:#e2c47e;border-radius:50%;place-items:center;font-weight:700;display:grid}.avatar{width:36px;height:36px}.mini-avatar{width:32px;height:32px}.profile div:nth-child(2){flex-direction:column;display:flex}.profile strong{font-size:13px}.profile span{color:#91aaa2;margin-top:3px;font-size:11px}.main-shell{min-height:100vh;margin-left:248px}.topbar{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;align-items:center;gap:22px;height:64px;padding:0 30px;display:flex;position:sticky;top:0}.topbar h1{white-space:nowrap;margin:0;font-size:17px;font-weight:650}.topbar-search{color:#83908b;background:#f3f5f4;border:1px solid #e4e8e6;border-radius:6px;align-items:center;gap:8px;width:min(420px,42vw);height:36px;margin-left:auto;padding:0 11px;display:flex}.topbar-search input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:13px}.topbar-search kbd{white-space:nowrap;background:#fff;border:1px solid #d7dedb;border-radius:4px;padding:2px 5px;font-size:10px}.top-actions{align-items:center;gap:7px;display:flex}.icon-button{cursor:pointer;color:#687570;background:0 0;border:0;border-radius:6px;place-items:center;width:34px;height:34px;padding:0;display:inline-grid}.icon-button:hover{color:var(--ink);background:#eff3f1}.icon-button svg{width:18px}.notification{position:relative}.notification i{background:#d45b4e;border:1px solid #fff;border-radius:50%;width:6px;height:6px;position:absolute;top:6px;right:7px}.menu-button{display:none}.page-container{min-height:calc(100vh - 64px)}.page{max-width:1440px;margin:0 auto;padding:28px 30px 44px}.welcome-row,.page-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px;display:flex}.welcome-row h2,.page-heading h2{letter-spacing:0;color:#15241f;margin:3px 0 5px;font-family:inherit;font-size:27px;font-weight:700}.welcome-row p,.page-heading p{color:var(--muted);margin:0;font-size:13px}.eyebrow{color:#76857f!important;font-size:11px!important}.button,button.button{color:#34423d;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #d4dcda;border-radius:6px;justify-content:center;align-items:center;gap:7px;min-height:36px;padding:0 14px;font-size:13px;font-weight:600;display:inline-flex}.button:hover{background:#f9fbfa;border-color:#aab9b4}.button.primary{background:var(--green-700);border-color:var(--green-700);color:#fff}.button-group{gap:9px;display:flex}.panel{background:var(--surface);border:1px solid var(--line);border-radius:7px}.panel-heading{border-bottom:1px solid #e7ebe9;justify-content:space-between;align-items:center;min-height:65px;padding:16px 19px;display:flex}.panel-heading h3{margin:0 0 3px;font-size:15px}.panel-heading p{color:var(--muted);margin:0;font-size:11px}.panel-heading a,.panel-heading button{color:var(--green-700);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;font-size:12px;display:inline-flex}.quick-actions{grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:18px;display:grid}.quick-actions>a{border:1px solid var(--line);background:#fff;border-radius:7px;align-items:center;gap:12px;min-width:0;height:82px;padding:15px;transition:transform .18s,box-shadow .18s;display:flex}.quick-actions>a:hover{transform:translateY(-2px);box-shadow:0 8px 20px #23403514}.quick-actions>a>svg{color:#9ba7a3;width:17px;margin-left:auto}.quick-actions div{flex-direction:column;min-width:0;display:flex}.quick-actions strong{font-size:14px}.quick-actions small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:5px;font-size:11px;overflow:hidden}.quick-icon{border-radius:7px;flex:0 0 42px;place-items:center;width:42px;height:42px;display:grid}.quick-icon svg{width:20px}.quick-icon.green,.usage-icon.green{color:#26705a;background:#e2f0ea}.quick-icon.amber,.usage-icon.amber{color:#b07012;background:#fbefd6}.quick-icon.blue,.usage-icon.blue{color:#376f9f;background:#e4eef7}.quick-icon.rose{color:#a94f5b;background:#f6e7e9}.dashboard-grid{grid-template-columns:minmax(0,1.6fr) minmax(310px,.8fr);gap:18px;margin-bottom:18px;display:grid}.overview-panel{min-width:0}.stats-row{grid-template-columns:repeat(4,1fr);gap:0;padding:19px;display:grid}.stats-row>div{border-right:1px solid #e8ecea;flex-direction:column;padding:0 16px;display:flex}.stats-row>div:first-child{padding-left:0}.stats-row>div:last-child{border:0}.stats-row span{color:var(--muted);font-size:11px}.stats-row strong{margin:6px 0 4px;font-family:inherit;font-size:28px;font-weight:500}.stats-row small{color:#87938f;font-size:10px}.stats-row em{color:#2d795e;font-style:normal}.activity-chart{background:#f6f8f7;border-radius:6px;margin:0 19px 19px;padding:13px 15px 10px}.chart-title{color:var(--muted);justify-content:space-between;font-size:11px;display:flex}.chart-title strong{color:var(--ink)}.bars{border-bottom:1px solid #dfe5e2;align-items:end;gap:clamp(12px,4vw,48px);height:82px;padding:8px 8px 0;display:flex}.bars div{flex-direction:column;flex:1;justify-content:end;align-items:center;gap:4px;min-width:14px;height:100%;display:flex}.bars i{background:#4b8b75;border-radius:3px 3px 0 0;width:min(26px,80%);min-height:8px;max-height:55px}.bars span{color:#84908c;font-size:9px;transform:translateY(19px)}.tasks-panel{flex-direction:column;display:flex}.count-badge{color:#8e611c;background:#f2e5c9;border-radius:11px;place-items:center;min-width:24px;height:22px;font-size:11px;display:grid}.task-list{flex:1;padding:3px 18px}.task-list a{border-bottom:1px solid #edf0ef;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;min-height:66px;display:grid}.task-status{border-radius:6px;place-items:center;width:32px;height:32px;display:grid}.task-status.processing{color:#36745f;background:#e3f0eb}.task-status.pending{color:#b16d11;background:#fbefd6}.task-status.done{color:#3b719d;background:#e4eef7}.task-list div{flex-direction:column;min-width:0;display:flex}.task-list strong{white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.task-list small{color:var(--muted);margin-top:4px;font-size:10px}.task-list i{background:#e4e8e6;border-radius:2px;height:3px;margin-top:6px;overflow:hidden}.task-list i b{background:#4d8b75;height:100%;display:block}.task-list em{color:#56776b;font-size:10px;font-style:normal}.panel-footer-link{color:#3d6f5e;border-top:1px solid #e7ebe9;justify-content:center;align-items:center;gap:5px;min-height:42px;font-size:11px;display:flex}.recent-table{width:100%;overflow-x:auto}.recent-table table{border-collapse:collapse;width:100%;min-width:900px}.recent-table th{text-align:left;color:#74807c;background:#f8f9f9;height:38px;font-size:10px;font-weight:600}.recent-table td{color:#56645f;border-top:1px solid #edf0ef;height:57px;font-size:11px}.recent-table th,.recent-table td{padding:0 14px}.recent-table td:first-child{max-width:410px}.recent-table td:first-child a{white-space:nowrap;text-overflow:ellipsis;color:var(--ink);align-items:center;gap:10px;display:flex;overflow:hidden}.recent-table td:first-child span{color:#7d8985;font-size:10px}.difficulty{border-radius:4px;padding:3px 7px;font-size:10px!important;font-weight:500!important}.difficulty.基础{color:#32705b;background:#e5f1eb}.difficulty.中等{color:#9a6614;background:#fbefd4}.difficulty.提高{color:#a14c59;background:#f6e4e7}.status-dot{align-items:center;gap:5px;font-size:10px;display:inline-flex}.status-dot:before{content:"";border-radius:50%;width:6px;height:6px}.status-dot.ok{color:#39715e}.status-dot.ok:before{background:#4a9277}.status-dot.warn{color:#98661c}.status-dot.warn:before{background:#d39331}.library-toolbar{grid-template-columns:minmax(250px,1fr) repeat(3,180px) 36px;gap:9px;margin-bottom:14px;display:grid}.search-field,.library-toolbar label{color:#7b8783;background:#fff;border:1px solid #dce3e0;border-radius:6px;align-items:center;gap:8px;height:38px;padding:0 11px;display:flex}.search-field input{background:0 0;border:0;outline:0;width:100%;font-size:12px}.library-toolbar select{appearance:none;color:#46534e;background:0 0;border:0;outline:0;width:100%;height:100%;font-size:12px}.library-toolbar label{position:relative}.library-toolbar label svg{width:15px}.selection-bar{color:#295e4d;background:#e8f2ee;border:1px solid #c6dbd2;border-radius:6px;align-items:center;gap:8px;min-height:48px;margin-bottom:10px;padding:6px 12px;display:flex}.selection-bar strong{margin-right:auto;font-size:12px}.selection-bar button{cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;font-size:11px;display:inline-flex}.selection-bar .danger{color:#a94d58}.list-head{color:#6e7a76;align-items:center;min-height:42px;padding:0 13px;font-size:11px;display:flex}.list-head label{align-items:center;gap:9px;display:flex}.list-head span{margin-left:auto}.list-head button{color:#6e7a76;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;margin-left:14px;display:inline-flex}.question-list{border:1px solid var(--line);background:#fff;border-radius:7px;overflow:hidden}.question-card{border-top:1px solid #e7ebe9;grid-template-columns:24px 1fr 34px;gap:10px;padding:19px 14px 17px;transition:background .15s;display:grid;position:relative}.question-card:hover{background:#fbfcfc}.question-card.selected{background:#f1f7f4}.question-check{padding-top:2px}.question-main{cursor:pointer;min-width:0}.question-meta{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:10px;display:flex}.question-meta span{color:#70807a;font-size:10px}.question-meta b{color:#65726e;background:#f0f3f2;border-radius:4px;padding:3px 7px;font-size:10px;font-weight:500}.question-meta .review-warning{color:#98600d;background:#fceed3}.question-main>p{color:#202b27;margin:0 0 11px;font-family:inherit;font-size:15px;line-height:1.75}.options-row{color:#4b5753;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 12px;font-size:12px;display:grid}.knowledge-row{flex-wrap:wrap;gap:6px;display:flex}.knowledge-row span,.knowledge-row em{color:#60706a;background:#f3f5f4;border-radius:4px;padding:4px 7px;font-size:10px;font-style:normal}.knowledge-row span{color:#376c59;background:#e7f0ed}.answer-preview{background:#f7f9f8;grid-template-columns:auto 1fr auto 2fr;align-items:start;gap:8px;margin-top:12px;padding:10px;font-size:11px;line-height:1.5;display:none}.question-card:hover .answer-preview{display:grid}.answer-preview strong{color:#29644f}.answer-preview span{color:#52615b}.question-more{opacity:0}.question-card:hover .question-more{opacity:1}.pagination{justify-content:center;gap:5px;padding-top:18px;display:flex}.pagination button{cursor:pointer;background:#fff;border:1px solid #d8dfdc;border-radius:5px;min-width:32px;height:32px;padding:0 8px;font-size:11px}.pagination button.active{background:var(--green-700);border-color:var(--green-700);color:#fff}.empty-state{text-align:center;color:#83908b;padding:70px 20px}.empty-state svg{width:34px;height:34px}.empty-state h3{color:#3b4843;font-size:15px}.modal-layer{z-index:80;position:fixed;inset:0}.modal-backdrop{background:#0f1c177a;border:0;width:100%;position:absolute;inset:0}.drawer{background:#fff;flex-direction:column;width:min(600px,100%);display:flex;position:absolute;inset:0 0 0 auto;box-shadow:-12px 0 35px #0f231c29}.drawer-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:70px;padding:13px 22px;display:flex}.drawer-header span{color:var(--muted);font-size:10px}.drawer-header h3{margin:3px 0 0;font-size:17px}.drawer-body{padding:20px 22px;overflow-y:auto}.drawer-footer{border-top:1px solid var(--line);justify-content:flex-end;gap:9px;min-height:65px;margin-top:auto;padding:12px 22px;display:flex}.field-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.field-grid .wide{grid-column:1/-1}.field{flex-direction:column;gap:7px;margin-bottom:16px;display:flex}.field>span{color:#4e5b56;justify-content:space-between;font-size:11px;font-weight:600;display:flex}.field>span em{color:#40816a;font-style:normal;font-weight:500}.field input,.field textarea,.field select{width:100%;color:var(--ink);background:#fff;border:1px solid #d8dfdc;border-radius:5px;outline:0;padding:9px 10px;font-size:12px;line-height:1.6}.field textarea{resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#60907e;box-shadow:0 0 0 3px #36765f1a}.field input:disabled{color:#697570;background:#f4f6f5}.check-row{align-items:center;gap:8px;font-size:12px;display:flex}.check-row span{align-items:center;gap:5px;display:flex}.import-workbench{background:#edf1ef;flex-direction:column;height:calc(100vh - 64px);min-height:680px;display:flex}.workbench-head{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;gap:15px;min-height:62px;padding:10px 18px;display:flex}.workbench-head h2{margin:0 9px 0 0;font-size:16px;display:inline}.workbench-head>div:first-child span{color:var(--muted);font-size:11px}.workbench-head>div:last-child{align-items:center;gap:8px;display:flex}.save-state{color:#7b8883;align-items:center;gap:4px;margin-right:5px;font-size:10px;display:flex}.save-state svg{color:#3d8067;width:15px}.workbench-grid{flex:1;grid-template-columns:218px minmax(400px,1fr) 420px;min-height:0;display:grid}.import-files{border-right:1px solid var(--line);background:#fff;overflow-y:auto}.aside-heading{border-bottom:1px solid #e6eae8;justify-content:space-between;align-items:center;min-height:46px;padding:0 14px;font-size:11px;display:flex}.aside-heading span{background:#edf1ef;border-radius:10px;place-items:center;min-width:21px;height:20px;display:grid}.import-files>button{text-align:left;cursor:pointer;background:#fff;border:0;border-bottom:1px solid #edf0ef;grid-template-columns:32px 1fr 15px;align-items:center;gap:8px;width:100%;min-height:72px;padding:10px;display:grid}.import-files>button.active{box-shadow:inset 3px 0 var(--green-700);background:#ecf4f0}.file-type{color:#476c5f;background:#e9efed;border-radius:4px;place-items:center;width:30px;height:34px;display:grid}.file-type svg{width:16px}.import-files button>div{flex-direction:column;min-width:0;display:flex}.import-files button strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.import-files button small{color:#78847f;margin-top:4px;font-size:9px}.import-files button i{background:#dce3e0;border-radius:2px;height:3px;margin-top:7px;overflow:hidden}.import-files button i b{background:#4b8e75;height:100%;display:block}.import-files button>svg{color:#94a09b;width:14px}.import-files .add-file{color:#3b705d;justify-content:center;gap:7px;min-height:44px;display:flex}.import-files .add-file svg{width:16px}.source-preview{background:#d9dfdc;min-width:0;position:relative;overflow:hidden}.preview-toolbar{z-index:5;color:#65716d;background:#f8faf9;border-bottom:1px solid #cfd7d3;justify-content:space-between;align-items:center;min-height:44px;padding:0 12px;font-size:10px;display:flex;position:relative}.preview-toolbar>div{align-items:center;gap:4px;display:flex}.preview-toolbar .icon-button{width:28px;height:28px}.paper-preview{transform-origin:top;background:#fff;width:min(92%,680px);min-height:780px;margin:22px auto 80px;padding:50px 54px;font-family:inherit;transition:transform .2s;box-shadow:0 4px 18px #25352f24}.paper-header{text-align:center;border-bottom:2px solid #262b29;flex-direction:column;padding-bottom:15px;display:flex}.paper-header b{font-size:20px}.paper-header span{margin-top:10px;font-size:11px}.paper-section{margin:24px 0 14px;font-size:14px;font-weight:700}.paper-question{cursor:pointer;border:1px solid #0000;border-radius:3px;margin:8px -10px;padding:13px 10px;font-size:13px;line-height:1.85;position:relative}.paper-question.recognized{background:#e0f4eb6b;border:1px solid #58a080}.paper-question i{color:#fff;background:#3e8469;padding:2px 5px;font-family:sans-serif;font-size:8px;font-style:normal;position:absolute;top:-10px;right:7px}.paper-footer{text-align:center;border-top:1px solid #ccc;margin-top:90px;padding-top:10px;font-size:9px}.review-editor{border-left:1px solid var(--line);background:#fff;flex-direction:column;min-width:0;display:flex}.editor-tabs{border-bottom:1px solid var(--line);align-items:end;gap:16px;min-height:44px;padding:0 14px;display:flex}.editor-tabs button{color:#75817d;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;height:43px;padding:0 2px;font-size:11px}.editor-tabs button.active{color:#245d4b;border-bottom-color:#2b705a;font-weight:700}.editor-tabs span{color:#7e8a85;margin:0 0 13px auto;font-size:10px}.confidence-summary{color:#35715b;background:#f1f8f5;border-bottom:1px solid #d9e9e2;grid-template-columns:28px 1fr auto;align-items:center;gap:7px;min-height:58px;padding:9px 14px;display:grid}.confidence-summary>svg{width:21px}.confidence-summary div{flex-direction:column;display:flex}.confidence-summary strong{font-size:10px}.confidence-summary span{color:#8a6a30;margin-top:3px;font-size:9px}.confidence-summary button{color:#326d58;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;font-size:9px;display:flex}.confidence-summary button svg{width:14px}.editor-scroll{flex:1;padding:15px;overflow-y:auto}.question-switch{grid-template-columns:28px 1fr 28px;align-items:center;margin-bottom:14px;display:grid}.question-switch button{cursor:pointer;background:#fff;border:1px solid #d9dfdc;border-radius:5px;place-items:center;height:28px;display:grid}.question-switch svg{width:14px}.question-switch div{text-align:center;flex-direction:column;display:flex}.question-switch span{font-size:11px;font-weight:700}.question-switch strong{color:#87938e;font-size:8px}.field-grid.compact{gap:9px}.has-warning textarea{border-color:#d79a39}.has-warning>small{color:#a16a15;align-items:center;gap:4px;margin-top:-7px;font-size:9px;display:flex}.has-warning small svg{width:13px}.tag-editor{border:1px solid #d8dfdc;border-radius:5px;flex-wrap:wrap;gap:5px;min-height:39px;padding:6px;display:flex}.tag-editor span{color:#346b57;background:#e7f1ed;border-radius:4px;align-items:center;gap:4px;padding:4px 6px;font-size:9px;display:flex}.tag-editor button{color:#587068;background:0 0;border:0;font-size:9px}.editor-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;min-height:54px;padding:8px 14px;display:flex}.editor-footer label{align-items:center;gap:6px;font-size:10px;display:flex}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.recognizing{color:#64736d;flex-direction:column;justify-content:center;align-items:center;height:calc(100% - 44px);display:flex}.recognizing>svg{width:24px}.recognizing h3{margin:10px 0 0;font-size:13px}.recognizing p{margin:5px;font-size:10px}.scan-document{background:#fff;width:190px;height:250px;margin-bottom:20px;padding:45px 18px;position:relative;overflow:hidden;box-shadow:0 5px 18px #0000001f}.scan-document i{background:#4a9a79;height:2px;animation:1.6s ease-in-out infinite scan;position:absolute;inset:0 0 auto;box-shadow:0 0 10px #4a9a79}.scan-document span,.scan-document p{color:#26322d;font-family:inherit}.scan-document span{font-weight:700}.scan-document p{text-align:left;line-height:1.6}@keyframes scan{0%,to{top:6%}50%{top:92%}}.back-link{color:#4c7164;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;padding:0;font-size:10px;display:flex}.import-setup-grid{max-width:900px;margin:0 auto}.import-settings{margin-bottom:15px;padding:20px 20px 4px}.import-settings h3{margin:0 0 18px;font-size:14px}.upload-zone{text-align:center;background:#fff;border:1px dashed #aabbb4;border-radius:7px;flex-direction:column;justify-content:center;align-items:center;height:290px;padding:30px;display:flex}.upload-zone>span{color:#2e6c57;background:#e6f1ed;border-radius:50%;place-items:center;width:56px;height:56px;display:grid}.upload-zone h3{margin:14px 0 6px;font-size:16px}.upload-zone p{color:var(--muted);margin:0 0 16px;font-size:11px}.format-row{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px;display:grid}.format-row>div{border:1px solid var(--line);background:#fff;border-radius:6px;grid-template-columns:32px 1fr;gap:3px 8px;min-height:70px;padding:14px;display:grid}.format-row svg{color:#4a7767;grid-row:1/3;width:24px}.format-row strong{font-size:11px}.format-row span{color:var(--muted);font-size:9px}.paper-builder{grid-template-columns:350px minmax(0,1fr);gap:17px;margin-bottom:18px;display:grid}.paper-config{padding-bottom:18px}.builder-title{align-items:center;gap:10px;display:flex}.paper-config>.builder-title{border-bottom:1px solid var(--line);min-height:65px;margin-bottom:12px;padding:14px 18px}.builder-title>span{color:#2d6a56;background:#e4f0eb;border-radius:50%;place-items:center;width:29px;height:29px;font-size:10px;font-weight:700;display:grid}.builder-title h3{margin:0;font-size:14px}.builder-title p{color:var(--muted);margin:3px 0 0;font-size:9px}.paper-config>.field{margin:0 18px 15px}.segmented{background:#edf1ef;border-radius:5px;grid-template-columns:repeat(4,1fr);height:35px;padding:3px;display:grid}.segmented button{cursor:pointer;background:0 0;border:0;border-radius:4px;font-size:10px}.segmented button.active{color:#28604e;background:#fff;font-weight:700;box-shadow:0 1px 3px #1e30291f}.choice-grid{grid-template-columns:1fr 1fr;gap:7px;display:grid}.choice-grid button{cursor:pointer;background:#fff;border:1px solid #d8dfdc;border-radius:5px;justify-content:center;align-items:center;gap:4px;height:34px;font-size:10px;display:flex}.choice-grid button.active{color:#2b6752;background:#edf5f1;border-color:#4e8a74}.choice-grid svg{width:13px}.stepper{grid-template-columns:34px 1fr 34px 28px;align-items:center;display:grid}.stepper button,.stepper input{text-align:center;background:#fff;border:1px solid #d8dfdc;height:35px}.stepper button:first-child{border-radius:5px 0 0 5px}.stepper button:nth-child(3){border-radius:0 5px 5px 0}.stepper input{border-width:1px 0;outline:0;min-width:0}.stepper em{color:#697570;margin-left:7px;font-size:10px;font-style:normal}.availability{background:#f6f8f7;border-radius:5px;align-items:center;gap:8px;margin:0 18px 15px;padding:10px;display:flex}.availability svg{color:#4b7566;width:17px}.availability div{flex-direction:column;display:flex}.availability strong{font-size:10px}.availability span{color:var(--muted);margin-top:3px;font-size:8px}.generate-button{width:calc(100% - 36px);margin:0 18px}.paper-result{min-width:0;overflow:hidden}.result-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:66px;padding:12px 18px;display:flex}.result-toolbar>div:last-child{align-items:center;gap:7px;display:flex}.toggle-label{align-items:center;gap:6px;margin-right:6px;font-size:9px;display:flex}.toggle-label input{display:none}.toggle-label i{background:#cbd4d0;border-radius:8px;width:27px;height:16px;padding:2px}.toggle-label i:after{content:"";background:#fff;border-radius:50%;width:12px;height:12px;transition:all .2s;display:block}.toggle-label input:checked+i{background:#3e7b65}.toggle-label input:checked+i:after{transform:translate(11px)}.paper-empty{color:#84918c;flex-direction:column;justify-content:center;align-items:center;height:560px;display:flex}.paper-empty>span{background:#edf2f0;border-radius:50%;place-items:center;width:54px;height:54px;display:grid}.paper-empty h3{color:#46544f;margin:13px 0 3px;font-size:14px}.paper-empty p{margin:0;font-size:10px}.print-paper{border:1px solid #dbe1de;width:min(92%,760px);margin:22px auto 35px;padding:42px 44px;font-family:inherit;box-shadow:0 4px 16px #1e30290f}.print-paper header{text-align:center;border-bottom:2px solid #202824;padding-bottom:14px}.print-paper header>span{color:#63716b;font-family:sans-serif;font-size:8px}.print-paper header h2{margin:6px 0 13px;font-size:20px}.print-paper header p{margin:0 0 10px;font-size:10px}.print-paper header div{justify-content:space-around;font-size:9px;display:flex}.print-paper>h3{font-size:13px}.print-paper article{border-top:1px dashed #d9dfdc;padding:13px 58px 13px 23px;font-size:12px;line-height:1.75;position:relative}.print-paper article:hover{background:#f9fbfa}.drag-handle{color:#9aa5a1;width:13px;position:absolute;top:15px;left:0}.paper-options{grid-template-columns:1fr 1fr;gap:3px 15px;margin-top:7px;display:grid}.paper-answer{color:#3f5c51;background:#eef5f2;border-left:3px solid #4f8b75;margin-top:9px;padding:8px;font-family:sans-serif;font-size:9px}.paper-item-actions{display:none;position:absolute;top:10px;right:6px}.print-paper article:hover .paper-item-actions{display:flex}.paper-item-actions button{color:#71807a;cursor:pointer;background:0 0;border:0;width:25px;height:25px;padding:0}.paper-item-actions svg{width:13px}.add-question{color:#4b7164;cursor:pointer;background:#fafbfb;border:1px dashed #aebbb6;border-radius:5px;justify-content:center;align-items:center;gap:6px;width:100%;height:37px;margin-top:12px;font-size:10px;display:flex}.add-question svg{width:14px}.paper-history{grid-template-columns:repeat(3,1fr);display:grid}.paper-history>div{border-right:1px solid #e7ebe9;grid-template-columns:34px 1fr auto 28px;align-items:center;gap:9px;min-height:72px;padding:12px 16px;display:grid}.document-icon{color:#3b755f;background:#e8f1ed;border-radius:4px;place-items:center;width:34px;height:38px;display:grid}.document-icon svg{width:16px}.paper-history div>div{flex-direction:column;min-width:0;display:flex}.paper-history strong{white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.paper-history small{color:var(--muted);margin-top:4px;font-size:8px}.paper-state{color:#4e7869;font-size:8px}.curriculum-layout{grid-template-columns:360px minmax(0,1fr);gap:18px;display:grid}.curriculum-tree{align-self:start;overflow:hidden}.tree-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:55px;padding:0 14px;font-size:12px;display:flex}.tree-level>button,.unit{text-align:left;cursor:pointer;background:#fff;border:0;grid-template-columns:17px 18px 1fr auto;align-items:center;gap:7px;width:100%;min-height:42px;display:grid}.tree-level button:hover{background:#f5f8f7}.tree-level svg{width:14px}.tree-level strong,.tree-level span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.tree-level strong{font-size:10px}.tree-level button>span:last-child{color:#8b9792;font-size:9px}.term>button{background:#f9faf9;border-bottom:1px solid #edf0ef;min-height:48px;padding:0 13px}.chapter>button{padding:0 13px 0 26px}.chapter>button>svg:nth-child(2){color:#b18435}.unit{color:#56645f;grid-template-columns:0 16px 1fr auto;padding:0 13px 0 48px}.unit.active{color:#2b6450;background:#eaf3ef;box-shadow:inset 3px 0 #367a61}.unit em{font-size:8px;font-style:normal}.add-node{color:#517064;cursor:pointer;background:#fff;border:1px dashed #b8c3bf;border-radius:5px;justify-content:center;align-items:center;gap:5px;width:calc(100% - 26px);height:37px;margin:12px 13px;font-size:10px;display:flex}.add-node svg{width:14px}.curriculum-content{min-width:0}.unit-heading{justify-content:space-between;min-height:90px;padding:4px 2px 15px;display:flex}.unit-heading>div>span{color:#71807a;font-size:9px}.unit-heading h3{margin:8px 0 5px;font-family:inherit;font-size:21px}.unit-heading p{color:var(--muted);margin:0;font-size:10px}.unit-stats{border:1px solid var(--line);background:#fff;border-radius:7px;grid-template-columns:repeat(4,1fr);margin-bottom:15px;display:grid}.unit-stats div{border-right:1px solid #e7ebe9;flex-direction:column;padding:15px 17px;display:flex}.unit-stats div:last-child{border:0}.unit-stats span{color:var(--muted);font-size:9px}.unit-stats strong{margin:5px 0 3px;font-family:inherit;font-size:22px;font-weight:500}.unit-stats small{color:#84908c;font-size:8px}.source-files{margin-bottom:15px}.source-file-list>div{border-top:1px solid #edf0ef;grid-template-columns:38px 1fr auto 30px;align-items:center;gap:10px;min-height:66px;padding:10px 16px;display:grid}.source-file-list>div:first-child{border:0}.source-file-list>div>span:first-child{border-radius:4px;place-items:center;width:36px;height:38px;font-size:8px;font-weight:700;display:grid}.pdf-icon{color:#a54b52;background:#f8e7e7}.word-icon{color:#3f6f9e;background:#e4edf7;font-size:14px!important}.image-icon{color:#42745a;background:#e7f2ea}.source-file-list div>div{flex-direction:column;display:flex}.source-file-list strong{font-size:10px}.source-file-list small{color:var(--muted);margin-top:4px;font-size:8px}.knowledge-panel{padding-bottom:12px}.knowledge-bar{grid-template-columns:150px 1fr 40px;align-items:center;gap:12px;min-height:44px;padding:5px 18px;font-size:10px;display:grid}.knowledge-bar i{background:#edf1ef;border-radius:3px;height:6px;overflow:hidden}.knowledge-bar i b{background:#4f8a75;border-radius:3px;height:100%;display:block}.knowledge-bar strong{color:#63706b;text-align:right;font-size:9px}.current-plan{color:#fff;background:#fff;border-color:#fff;grid-template-columns:54px 1fr auto;align-items:center;gap:15px;min-height:102px;padding:20px;display:grid}.plan-emblem{color:#21453b;background:#f0c867;border-radius:7px;place-items:center;width:52px;height:52px;display:grid}.current-plan span{color:#9eb9b0;font-size:9px}.current-plan h3{margin:3px 0;font-size:19px}.current-plan p{color:#b9cdc6;margin:0;font-size:9px}.plan-actions{gap:8px;display:flex}.usage-grid{grid-template-columns:repeat(3,1fr);gap:14px;margin:14px 0 26px;display:grid}.usage-grid>div{grid-template-columns:40px 1fr;gap:11px;padding:17px;display:grid}.usage-icon{border-radius:6px;place-items:center;width:39px;height:39px;display:grid}.usage-icon svg{width:18px}.usage-grid div>div{flex-direction:column;display:flex}.usage-grid span{color:var(--muted);font-size:9px}.usage-grid strong{margin:5px 0 8px;font-family:inherit;font-size:19px}.usage-grid strong small{color:#7e8a85;font-family:sans-serif;font-size:9px;font-weight:500}.usage-grid i{background:#edf1ef;border-radius:3px;height:5px;overflow:hidden}.usage-grid i b{background:#4d8a73;height:100%;display:block}.usage-grid em{color:#8a9691;margin-top:6px;font-size:8px;font-style:normal}.plans-heading{justify-content:space-between;align-items:center;margin-bottom:13px;display:flex}.plans-heading h3{font-size:16px}.billing-toggle{background:#e8edeb;border-radius:5px;padding:3px}.billing-toggle button{color:#71807a;background:0 0;border:0;border-radius:4px;height:29px;padding:0 12px;font-size:9px}.billing-toggle button.active{color:#2e6452;background:#fff;box-shadow:0 1px 4px #1428201a}.billing-toggle span{color:#b37513}.plan-grid{grid-template-columns:repeat(3,1fr);align-items:start;gap:14px;display:grid}.plan-card{border:1px solid var(--line);background:#fff;border-radius:7px;min-height:420px;padding:23px;position:relative}.plan-card.featured{border:2px solid #35735d}.recommended{color:#fff;background:#35735d;border-radius:10px;padding:3px 10px;font-size:8px;position:absolute;top:-11px;left:50%;transform:translate(-50%)}.plan-card>div span{color:#52625c;font-size:11px;font-weight:700}.plan-card h3{min-height:34px;margin:10px 0 4px;font-family:inherit;font-size:26px}.plan-card h3 em{font-family:sans-serif;font-size:12px;font-style:normal}.plan-card h3 small{color:#798681;font-family:sans-serif;font-size:9px}.plan-card>div p{color:var(--muted);margin:0 0 18px;font-size:9px}.plan-card>button{width:100%;margin-bottom:16px}.plan-card>p{color:#46544f;align-items:center;gap:7px;margin:11px 0;font-size:10px;display:flex}.plan-card>p svg{color:#36725b;width:14px}.security-strip{color:#346854;background:#edf5f2;border:1px solid #ceddd7;border-radius:7px;grid-template-columns:36px 1fr auto;align-items:center;gap:10px;min-height:74px;margin-top:15px;padding:14px 18px;display:grid}.security-strip>svg{width:26px}.security-strip strong{font-size:11px}.security-strip p{color:#687c74;margin:3px 0 0;font-size:9px}.security-strip>span{align-items:center;gap:5px;font-size:9px;display:flex}.security-strip span svg{width:15px}.settings-layout{grid-template-columns:220px minmax(0,700px);gap:18px;display:grid}.settings-nav{align-self:start;padding:8px}.settings-nav button{color:#687570;cursor:pointer;background:0 0;border:0;border-radius:5px;align-items:center;gap:9px;width:100%;height:40px;padding:0 10px;font-size:11px;display:flex}.settings-nav button.active{color:#2b6752;background:#e9f2ee;font-weight:700}.settings-nav svg{width:16px}.settings-form{padding:22px}.settings-form>h3{margin:0 0 4px;font-size:15px}.settings-form>p{color:var(--muted);margin:0 0 20px;font-size:10px}.avatar-setting{align-items:center;gap:12px;margin-bottom:20px;display:flex}.avatar-setting>span{color:#20463a;background:#e0c077;border-radius:50%;place-items:center;width:54px;height:54px;font-size:19px;font-weight:700;display:grid}.locked-field small{color:#8a7460;align-items:center;gap:4px;font-size:8px;display:flex}.locked-field svg{width:12px}@media(max-width:1150px){.sidebar{width:220px}.main-shell{margin-left:220px}.topbar{padding:0 20px}.page{padding-left:20px;padding-right:20px}.library-toolbar{grid-template-columns:minmax(220px,1fr) repeat(3,140px)}.library-toolbar .desktop-only{display:none}.workbench-grid{grid-template-columns:170px minmax(350px,1fr) 370px}.import-files{font-size:9px}.curriculum-layout{grid-template-columns:310px minmax(0,1fr)}}@media(max-width:900px){.sidebar{width:min(290px,85vw);transition:transform .2s;transform:translate(-100%);box-shadow:12px 0 30px #0a191333}.sidebar.is-open{transform:translate(0)}.sidebar-backdrop{z-index:29;background:#0f1c1773;border:0;position:fixed;inset:0}.sidebar-close,.menu-button{display:inline-grid}.main-shell{margin-left:0}.topbar{gap:10px;padding:0 14px}.topbar-search{margin-left:auto}.topbar h1{display:none}.quick-actions{grid-template-columns:1fr 1fr}.dashboard-grid{grid-template-columns:1fr}.library-toolbar{grid-template-columns:1fr 1fr 1fr}.library-toolbar .search-field{grid-column:1/-1}.paper-builder{grid-template-columns:310px minmax(0,1fr)}.workbench-grid{grid-template-columns:140px minmax(300px,1fr) 350px}.curriculum-layout{grid-template-columns:290px minmax(0,1fr)}.usage-grid{grid-template-columns:1fr}.plan-card{padding:17px}.paper-history{grid-template-columns:1fr}.paper-history>div{border-top:1px solid #e7ebe9;border-right:0}}@media(max-width:720px){.page{padding:20px 14px 34px}.topbar-search{flex:1;width:auto}.topbar-search kbd,.top-actions .icon-button{display:none}.welcome-row,.page-heading{align-items:flex-start}.welcome-row h2,.page-heading h2{font-size:23px}.welcome-row>.button{padding:0 10px}.button-group .button{padding:0 9px}.quick-actions{gap:9px}.quick-actions>a{height:72px;padding:11px}.quick-actions>a>svg{display:none}.quick-icon{flex-basis:38px;width:38px;height:38px}.stats-row{grid-template-columns:1fr 1fr;gap:16px}.stats-row>div{border:0;padding:0}.bars{gap:7px}.recent-panel{border-left:0;border-right:0;border-radius:0;margin-left:-14px;margin-right:-14px}.library-toolbar{grid-template-columns:1fr 1fr}.library-toolbar label:nth-of-type(3){grid-column:1/-1}.selection-bar{z-index:10;position:sticky;top:66px}.selection-bar button span{display:none}.question-card{grid-template-columns:21px 1fr 0;padding:15px 10px}.question-more{display:none}.question-main>p{font-size:14px}.options-row{grid-template-columns:1fr 1fr}.answer-preview{display:none!important}.pagination button:nth-of-type(4),.pagination button:nth-of-type(5){display:none}.import-workbench{height:auto;min-height:calc(100vh - 64px)}.workbench-head{flex-wrap:wrap;align-items:flex-start}.workbench-head>div:last-child{width:100%}.save-state{margin-right:auto}.workbench-grid{flex-direction:column;display:flex}.import-files{border:0;border-bottom:1px solid var(--line);min-height:72px;display:flex;overflow-x:auto}.aside-heading{display:none}.import-files>button{border-right:1px solid #edf0ef;min-width:190px;min-height:70px}.import-files .add-file{min-width:110px}.source-preview{min-height:570px;overflow:auto}.paper-preview{width:500px;min-height:620px;margin-top:16px;padding:38px}.review-editor{border-left:0;border-top:1px solid var(--line);min-height:720px}.format-row,.import-settings .field-grid,.paper-builder{grid-template-columns:1fr}.paper-result{min-height:500px}.result-toolbar{flex-direction:column;align-items:flex-start;gap:10px}.print-paper{width:100%;box-shadow:none;border:0;margin:0;padding:28px 22px}.recent-papers{display:none}.curriculum-layout{grid-template-columns:1fr}.curriculum-tree{max-height:390px;overflow-y:auto}.unit-stats{grid-template-columns:1fr 1fr}.unit-stats div:nth-child(2){border-right:0}.unit-stats div:nth-child(-n+2){border-bottom:1px solid #e7ebe9}.source-file-list>div{grid-template-columns:36px 1fr 27px}.source-file-list .status-dot{display:none}.knowledge-bar{grid-template-columns:110px 1fr 35px;padding:5px 12px}.current-plan{grid-template-columns:45px 1fr}.plan-actions{grid-column:1/-1}.usage-grid{gap:9px}.plan-grid{grid-template-columns:1fr}.plan-card{min-height:0}.security-strip{grid-template-columns:30px 1fr}.security-strip>span{grid-column:2}.settings-layout{grid-template-columns:1fr}.settings-nav{display:flex;overflow-x:auto}.settings-nav button{min-width:120px}.field-grid{grid-template-columns:1fr}.field-grid .wide{grid-column:auto}}.basket-trigger{position:relative}.basket-trigger>i{color:#fff;background:#0071e3;border:2px solid #fff;border-radius:8px;place-items:center;min-width:16px;height:16px;padding:0 4px;font-size:7px;font-style:normal;display:grid;position:absolute;top:-4px;right:-3px}.basket-layer{z-index:80;position:fixed;inset:0}.basket-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#1d1d1f47;border:0;width:100%;position:absolute;inset:0}.basket-drawer{background:#fff;flex-direction:column;width:min(430px,100vw);display:flex;position:absolute;inset:0 0 0 auto;box-shadow:-18px 0 45px #00000024}.basket-header{border-bottom:1px solid #e5e5ea;justify-content:space-between;align-items:center;min-height:62px;padding:0 18px;display:flex}.basket-header>div{align-items:center;gap:8px;display:flex}.basket-header svg{color:#0071e3;width:19px}.basket-header span{font-size:14px;font-weight:700}.basket-header strong{color:#06c;background:#edf5ff;border-radius:10px;place-items:center;min-width:21px;height:21px;padding:0 6px;font-size:9px;display:grid}.basket-switcher{grid-template-columns:1fr 34px;gap:7px;padding:12px 16px 8px;display:grid}.basket-switcher select{color:#1d1d1f;background:#fff;border:1px solid #dedee3;border-radius:6px;min-width:0;height:36px;padding:0 10px;font-size:11px}.basket-name{text-align:left;cursor:pointer;background:#f5f5f7;border:0;border-radius:6px;flex-direction:column;align-items:flex-start;margin:0 16px 12px;padding:10px 12px;display:flex}.basket-name strong{font-size:11px}.basket-name span{color:#86868b;margin-top:3px;font-size:8px}.basket-summary{border:1px solid #e5e5ea;border-radius:7px;grid-template-columns:repeat(4,1fr);margin:0 16px 10px;display:grid}.basket-summary div{border-left:1px solid #ececf0;flex-direction:column;justify-content:center;align-items:center;min-height:48px;display:flex}.basket-summary div:first-child{border-left:0}.basket-summary span{color:#86868b;font-size:8px}.basket-summary strong{margin-top:3px;font-size:12px}.basket-items{flex:1;min-height:0;padding:0 16px;overflow-y:auto}.basket-items article{border-top:1px solid #ececf0;grid-template-columns:24px minmax(0,1fr) 25px;gap:8px;min-height:90px;padding:11px 0;display:grid}.basket-order{color:#06c;background:#edf5ff;border-radius:5px;place-items:center;width:22px;height:22px;font-size:8px;display:grid}.basket-items article>div:nth-child(2){min-width:0}.basket-items small,.basket-items article>div>span{color:#86868b;font-size:8px}.basket-items p{-webkit-line-clamp:2;color:#1d1d1f;-webkit-box-orient:vertical;margin:5px 0;font-size:10px;line-height:1.55;display:-webkit-box;overflow:hidden}.basket-item-actions{flex-direction:column;display:flex}.basket-item-actions button{color:#86868b;cursor:pointer;background:0 0;border:0;width:24px;height:22px;padding:0}.basket-item-actions button:disabled{opacity:.25}.basket-item-actions svg{width:12px}.basket-clear{color:#a64b55;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;gap:5px;height:30px;margin:7px 16px;font-size:9px;display:flex}.basket-clear svg{width:13px}.basket-empty{text-align:center;flex-direction:column;align-items:center;margin:auto 26px;display:flex}.basket-empty>svg{color:#b2b2b7;width:32px}.basket-empty h3{margin:12px 0 5px;font-size:14px}.basket-empty p{color:#86868b;margin:0 0 14px;font-size:10px;line-height:1.6}.basket-footer{background:#fffffff0;border-top:1px solid #e5e5ea;grid-template-columns:1fr 1fr;gap:8px;min-height:70px;padding:12px 16px;display:grid}.basket-footer .button{height:42px}.basket-footer svg{width:15px}.basket-quick{background:#fff;border:1px solid #e5e5ea}.basket-quick:hover{color:#0071e3;border-color:#7db9f5}.basket-quick.active{color:#0071e3;background:#edf5ff;border-color:#c7e0ff}.copilot-editor{background:#f7fbff;border:1px solid #d6e9ff;border-radius:8px;margin-top:14px;overflow:hidden}.copilot-editor>header{border-bottom:1px solid #dcecff;justify-content:space-between;align-items:center;min-height:42px;padding:0 12px;display:flex}.copilot-editor>header span{color:#0055a6;align-items:center;gap:6px;font-size:10px;font-weight:700;display:flex}.copilot-editor>header svg{width:14px}.copilot-editor>header small{color:#6f8aa3;font-size:8px}.copilot-suggestions{flex-wrap:wrap;gap:5px;padding:10px 10px 4px;display:flex}.copilot-suggestions button{color:#06c;cursor:pointer;background:#fff;border:1px solid #cfe5ff;border-radius:5px;min-height:25px;padding:0 8px;font-size:8px}.copilot-input{grid-template-columns:1fr 32px;gap:6px;padding:6px 10px 10px;display:grid}.copilot-input textarea{resize:none;color:#1d1d1f;background:#fff;border:1px solid #c7daf0;border-radius:6px;outline:0;padding:8px;font-size:9px}.copilot-input button{color:#fff;cursor:pointer;background:#0071e3;border:0;border-radius:6px;place-items:center;display:grid}.copilot-input button:disabled{opacity:.4}.copilot-input svg{width:14px}.copilot-proposal{background:#fff;border:1px solid #c7e0ff;border-radius:6px;margin:0 10px 10px;padding:10px}.copilot-proposal.model{background:#fffbf4;border-color:#ead6ae}.copilot-proposal>strong{color:#0055a6;font-size:9px}.copilot-proposal.model>strong{color:#8a5a08}.copilot-proposal p{color:#515154;margin:4px 0;font-size:8px;line-height:1.55}.copilot-proposal>span{color:#86868b;font-size:7px}.copilot-proposal>div{justify-content:flex-end;gap:6px;margin-top:8px;display:flex}.copilot-proposal>div button{cursor:pointer;background:#fff;border:1px solid #d6d6db;border-radius:5px;height:27px;padding:0 9px;font-size:8px}.copilot-proposal>div button:last-child{color:#fff;background:#0071e3;border-color:#0071e3}.copilot-proposal>div button:disabled{opacity:.4}@media(max-width:720px){.basket-drawer{width:100%}.top-actions .basket-trigger{display:inline-grid}.basket-summary{grid-template-columns:repeat(4,1fr)}}.handout-page{background:#ececf1;flex-direction:column;height:calc(100vh - 64px);min-height:720px;display:flex}.handout-toolbar{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffeb;border-bottom:1px solid #dedee3;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;min-height:62px;padding:8px 16px;display:grid}.document-name{align-items:center;gap:9px;min-width:0;display:flex}.document-name>svg{color:#0071e3;width:19px}.document-name>div{flex-direction:column;min-width:0;display:flex}.document-name input{color:#1d1d1f;background:0 0;border:0;outline:0;width:min(360px,34vw);font-size:12px;font-weight:650}.document-name span{color:#86868b;margin-top:3px;font-size:8px}.mode-switch button{color:#6e6e73;cursor:pointer;background:0 0;border:0;border-radius:5px;padding:0 12px;font-size:9px}.mode-switch button.active{color:#1d1d1f;background:#fff;box-shadow:0 1px 4px #0000001f}.handout-actions{justify-self:end;align-items:center;gap:6px;display:flex}.handout-actions .button svg{width:14px}.handout-grid{flex:1;grid-template-columns:230px minmax(500px,1fr) 250px;min-height:0;display:grid}.handout-outline,.handout-properties{background:#fffffff5;min-width:0;overflow-y:auto}.handout-outline{border-right:1px solid #dedee3}.handout-properties{border-left:1px solid #dedee3}.aside-title{border-bottom:1px solid #ececf0;justify-content:space-between;align-items:center;min-height:48px;padding:0 13px;font-size:10px;display:flex}.outline-blocks>button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;grid-template-columns:13px 20px 1fr;align-items:center;gap:6px;width:100%;min-height:52px;padding:7px 8px;display:grid}.outline-blocks>button:hover{background:#f5f5f7}.outline-blocks>button.active{background:#edf5ff}.outline-blocks>button>svg{color:#b2b2b7;width:12px}.outline-blocks>button>span{color:#6e6e73;background:#f2f2f7;border-radius:5px;place-items:center;width:19px;height:19px;font-size:8px;display:grid}.outline-blocks button div{flex-direction:column;min-width:0;display:flex}.outline-blocks small{color:#86868b;font-size:7px}.outline-blocks strong{white-space:nowrap;text-overflow:ellipsis;margin-top:3px;font-size:9px;overflow:hidden}.add-block-menu{border-top:1px solid #ececf0;margin:4px 10px;padding-top:12px}.add-block-menu>span{color:#86868b;font-size:8px}.add-block-menu>div{grid-template-columns:1fr 1fr;gap:5px;margin-top:8px;display:grid}.add-block-menu>div button,.from-library{color:#515154;cursor:pointer;background:#fff;border:1px solid #e5e5ea;border-radius:6px;justify-content:center;align-items:center;gap:4px;min-height:32px;font-size:8px;display:flex}.from-library{color:#06c;width:100%;margin-top:6px}.canvas-tools{z-index:3;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f6f6f8f0;border-bottom:1px solid #d9d9de;justify-content:space-between;align-items:center;min-width:620px;height:44px;padding:0 12px;display:flex;position:sticky;top:0}.canvas-tools>div{gap:4px;display:flex}.canvas-tools>div button{color:#6e6e73;cursor:pointer;background:0 0;border:0;border-radius:5px;align-items:center;gap:4px;height:28px;padding:0 8px;font-size:8px;display:flex}.canvas-tools>div button.active{color:#0071e3;background:#fff;box-shadow:0 1px 3px #0000001a}.canvas-tools svg{width:13px}.canvas-tools>span{color:#86868b;font-size:8px}.handout-paper{color:#1d1d1f;background:#fff;width:760px;min-height:1075px;margin:24px auto 70px;padding:58px 64px 35px;position:relative;box-shadow:0 5px 24px #0000001a}.handout-paper>header{text-align:center;border-bottom:2px solid #1d1d1f;padding-bottom:16px}.school-line{color:#6e6e73;font-size:8px}.handout-paper h1{margin:8px 0 12px;font-size:21px}.handout-paper header p{margin:0;font-size:9px}.handout-block-grid{grid-template-columns:1fr;gap:11px;margin-top:20px;display:grid}.handout-paper.columns-2 .handout-block-grid{grid-template-columns:1fr 1fr;align-items:start}.handout-block{border:1px solid #0000;border-radius:5px;padding:10px 11px;position:relative}.handout-block:hover,.handout-block.selected{border-color:#91c5f8}.handout-block.note{background:#fff9ed}.block-handle{color:#a2a2a7;place-items:center;width:18px;height:22px;display:none;position:absolute;top:11px;left:-22px}.handout-block:hover .block-handle,.handout-block.selected .block-handle{display:grid}.block-handle svg{width:13px}.handout-block>input,.handout-block>textarea{resize:none;color:#1d1d1f;background:0 0;border:0;outline:0;width:100%;padding:0}.handout-block>input{margin-bottom:7px;font-size:12px;font-weight:700}.handout-block>textarea{font-size:10px;line-height:1.75;overflow:hidden}.handout-block.example>input{color:#0055a6}.inline-answer{background:#f0f7ff;border-left:3px solid #0071e3;margin-top:7px;padding:8px 9px;font-size:8px}.inline-answer p{margin:3px 0;line-height:1.6}.inline-answer span{color:#6e6e73}.block-actions{background:#fff;border:1px solid #dedee3;border-radius:6px;padding:3px;display:flex;position:absolute;top:-31px;right:0;box-shadow:0 3px 10px #0000001a}.block-actions button{color:#6e6e73;cursor:pointer;background:0 0;border:0;width:25px;height:24px;padding:0}.handout-paper>footer{text-align:center;color:#86868b;font-size:8px;position:absolute;bottom:25px;left:0;right:0}.property-row{border-bottom:1px solid #ececf0;justify-content:space-between;align-items:center;min-height:48px;padding:0 13px;font-size:9px;display:flex}.property-row>span{color:#515154}.property-row>button:not(.switch){cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;font-size:8px;display:flex}.property-row svg{width:12px}.mini-segment{background:#eeeef2;border-radius:5px;padding:2px;display:flex}.mini-segment button{color:#6e6e73;background:0 0;border:0;border-radius:4px;height:25px;padding:0 8px;font-size:8px}.mini-segment button.active{color:#1d1d1f;background:#fff;box-shadow:0 1px 3px #0000001a}.switch{cursor:pointer;background:#c7c7cc;border:0;border-radius:9px;width:30px;height:18px;padding:2px}.switch i{background:#fff;border-radius:50%;width:14px;height:14px;transition:all .2s;display:block}.switch.on{background:#0071e3}.switch.on i{transform:translate(12px)}.property-group{border-bottom:1px solid #ececf0;flex-direction:column;gap:9px;padding:13px;display:flex}.property-group>span{color:#86868b;font-size:8px}.property-group>label{align-items:center;gap:6px;font-size:9px;display:flex}.property-group>label span{align-items:center;gap:4px;display:flex}.property-group>label svg{color:#0071e3;width:11px}.collaborators{align-items:center;display:flex}.collaborators i,.collaborators button{color:#06c;background:#edf5ff;border:2px solid #fff;border-radius:50%;place-items:center;width:27px;height:27px;margin-left:-4px;font-size:8px;font-style:normal;display:grid}.collaborators button svg{width:11px}.collaborators strong{color:#6e6e73;margin-left:7px;font-size:8px}.version-note{background:#f5f5f7;border-radius:6px;gap:8px;margin:12px;padding:10px;display:flex}.version-note>svg{color:#6e6e73;width:15px}.version-note div{flex-direction:column;display:flex}.version-note strong{font-size:8px}.version-note p{color:#515154;margin:3px 0;font-size:8px}.version-note span{color:#86868b;font-size:7px}.template-menu{border-bottom:1px solid #ececf0;margin:0 10px 10px;padding-bottom:12px}.template-menu>span{color:#86868b;font-size:8px}.template-menu>div{grid-template-columns:repeat(3,1fr);gap:4px;margin-top:8px;display:grid}.template-menu button{color:#515154;cursor:pointer;background:#fff;border:1px solid #e5e5ea;border-radius:5px;min-width:0;height:30px;padding:0 3px;font-size:7px}.template-menu button:hover{color:#06c;background:#f7fbff;border-color:#7db9f5}.handout-block.research{background:#fff9ed;border-left:3px solid #d19a36}.handout-block.research>input{color:#8a5a08}.property-tabs{border-bottom:1px solid #ececf0;grid-template-columns:1fr 1fr;gap:4px;height:48px;padding:7px 10px;display:grid}.property-tabs button{color:#6e6e73;cursor:pointer;background:0 0;border:0;border-radius:5px;justify-content:center;align-items:center;gap:5px;font-size:9px;display:flex}.property-tabs button.active{color:#06c;background:#edf5ff}.research-cycle{border-bottom:1px solid #ececf0;gap:8px;padding:13px;display:grid}.research-cycle span{color:#86868b;align-items:center;gap:7px;font-size:8px;display:flex}.research-cycle i{background:#f2f2f7;border-radius:50%;place-items:center;width:19px;height:19px;font-size:7px;font-style:normal;display:grid}.research-cycle span.active{color:#06c;font-weight:650}.research-cycle span.active i{color:#fff;background:#0071e3}.research-editor{border-bottom:1px solid #ececf0;flex-direction:column;gap:7px;padding:13px;display:flex}.research-editor label{color:#515154;font-size:9px;font-weight:650}.research-editor textarea{resize:vertical;color:#1d1d1f;background:#fff;border:1px solid #dedee3;border-radius:6px;outline:0;width:100%;padding:9px;font-size:8px;line-height:1.6}.research-editor textarea:focus{border-color:#7db9f5;box-shadow:0 0 0 3px #0071e31a}.research-editor .button{justify-content:center;width:100%}.research-editor .button svg{width:12px}.research-evidence{background:#f0f7ff;border:1px solid #d6e9ff;border-radius:6px;gap:8px;margin:12px;padding:10px;display:flex}.research-evidence>svg{color:#0071e3;flex:0 0 16px;width:16px}.research-evidence strong{font-size:8px}.research-evidence p{color:#55738f;margin:3px 0 0;font-size:7px;line-height:1.5}@media(max-width:1000px){.handout-grid{grid-template-columns:190px minmax(500px,1fr)}.handout-properties{display:none}.handout-toolbar{grid-template-columns:1fr auto}.mode-switch{display:none}}@media(max-width:720px){.handout-page{height:auto;min-height:calc(100vh - 64px)}.handout-toolbar{grid-template-columns:minmax(0,1fr);max-width:100%;overflow:hidden}.handout-actions{justify-self:stretch;width:100%;min-width:0}.handout-actions .icon-button{flex:0 0 34px}.handout-actions .button{flex:1 1 0;min-width:0;padding:0 9px}.handout-grid{flex-direction:column;display:flex}.handout-outline{border-bottom:1px solid #dedee3;border-right:0;max-height:260px}.handout-canvas-wrap{min-height:700px;overflow:hidden}.handout-paper{width:calc(100vw - 20px);min-height:calc(141.4vw - 28.28px);margin:14px 10px 40px;padding:34px 25px 28px}.handout-paper h1{font-size:17px}.handout-block>textarea{font-size:9px}.block-handle{left:-17px}.document-name input{width:72vw}}@media print{.handout-toolbar,.handout-outline,.handout-properties,.canvas-tools,.block-actions,.block-handle{display:none!important}.handout-page,.handout-grid,.handout-canvas-wrap{background:#fff;height:auto;display:block}.handout-paper{width:100%;min-height:auto;box-shadow:none;margin:0;padding:12mm 14mm}.handout-block{break-inside:avoid}}.table-scroll{max-width:100%;overflow-x:auto}.raw-normalizer{padding:14px}.pipeline-steps{color:#86868b;align-items:center;margin-bottom:14px;font-size:8px;display:flex}.pipeline-steps span{white-space:nowrap}.pipeline-steps span.done{color:#29764b}.pipeline-steps span.active{color:#06c;font-weight:700}.pipeline-steps i{background:#d7d7dc;flex:1;height:1px;margin:0 5px}.normalizer-note{color:#0055a6;background:#f0f7ff;border-radius:7px;align-items:flex-start;gap:8px;margin-bottom:13px;padding:11px;display:flex}.normalizer-note>svg{flex:0 0 17px;width:17px}.normalizer-note div{flex-direction:column;display:flex}.normalizer-note strong{font-size:9px}.normalizer-note p{color:#55738f;margin:3px 0 0;font-size:8px;line-height:1.5}.raw-normalizer textarea{font-family:SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.65}.split-result{border:1px solid #e5e5ea;border-radius:7px;justify-content:space-between;align-items:center;gap:8px;padding:10px;display:flex}.split-result div{flex-direction:column;min-width:0;display:flex}.split-result strong{font-size:9px}.split-result span{color:#86868b;margin-top:3px;font-size:8px}.editor-footer>span{color:#86868b;font-size:8px}@media print{.sidebar,.topbar,.page-heading,.paper-config,.result-toolbar,.recent-papers,.add-question,.paper-item-actions{display:none!important}.main-shell{margin:0}.page,.page-container{margin:0;padding:0}.paper-builder{display:block}.paper-result{border:0}.print-paper{width:100%;box-shadow:none;border:0;margin:0;padding:12mm 15mm}.print-paper article{break-inside:avoid}}:root{--green-950:#fff;--green-800:#0a5ec0;--green-700:#0071e3;--green-100:#eaf3ff;--ink:#1d1d1f;--muted:#6e6e73;--line:#e5e5ea;--surface:#fff;--blue:#0071e3;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif}body{color:#1d1d1f;background:#f5f5f7}.dashboard-page{-webkit-font-smoothing:antialiased}.dashboard-page ::selection{background:#dbeafe}.sidebar{color:#1d1d1f;-webkit-backdrop-filter:saturate(180%)blur(18px);backdrop-filter:saturate(180%)blur(18px);background:#fffffff5;border-right-color:#e5e5ea}.brand{border-bottom-color:#ececf0}.brand-mark{color:#fff;background:#0071e3}.brand strong{color:#1d1d1f;font-family:inherit;font-size:16px}.brand span{color:#86868b}.subject-switcher{background:#f5f5f7;border-color:#e5e5ea}.subject-icon{color:#06c;background:#eaf3ff}.subject-switcher span,.nav-label{color:#86868b}.nav-group a{color:#515154}.nav-group a:hover{color:#1d1d1f;background:#f5f5f7}.nav-group a.active{color:#06c;box-shadow:none;background:#edf5ff}.nav-group a small{color:#6e6e73;background:#e9e9ee}.nav-secondary,.profile{border-color:#ececf0}.sidebar-plan{color:#1d1d1f;background:#f5f5f7;border-color:#e5e5ea}.sidebar-plan svg,.sidebar-plan a{color:#0071e3}.sidebar-plan span,.profile span{color:#86868b}.meter{background:#e5e5ea}.meter i{background:#0071e3}.avatar,.mini-avatar{color:#06c;background:#eaf3ff}.topbar{background:#ffffffd1;border-color:#00000014}.page-container{background:#f5f5f7}.welcome-row h2,.page-heading h2,.question-main>p,.unit-heading h3,.paper-preview,.print-paper{color:#1d1d1f;font-family:inherit}.button.primary{background:#0071e3;border-color:#0071e3}.button.primary:hover{background:#06c}.panel,.quick-actions>a,.question-list,.unit-stats{border-color:#e5e5ea;box-shadow:0 1px 2px #00000006}.panel-heading a,.panel-heading button,.back-link{color:#06c}.quick-icon.green,.usage-icon.green,.task-status.processing{color:#0071e3;background:#eaf3ff}.activity-chart,.availability{background:#f5f5f7}.bars i,.knowledge-bar i b,.usage-grid i b{background:#0071e3}.sidebar-plan strong,.current-plan h3{color:#1d1d1f}.selection-bar{color:#0055a6;background:#edf5ff;border-color:#c7e0ff}.question-card.selected,.import-files>button.active,.unit.active{color:#0055a6;background:#edf5ff;box-shadow:inset 3px 0 #0071e3}.knowledge-row span,.tag-editor span,.segmented button.active,.choice-grid button.active{color:#0055a6;background:#edf5ff;border-color:#7db9f5}.confidence-summary{color:#0055a6;background:#f0f7ff;border-color:#d6e9ff}.confidence-summary>svg,.confidence-summary button,.field>span em{color:#0071e3}.paper-question.recognized{background:#eaf3ff94;border-color:#0071e3}.paper-question i{background:#0071e3}.upload-zone,.add-question,.add-node{border-style:solid}.current-plan{color:#1d1d1f;background:#fff;border-color:#e5e5ea}.current-plan span,.current-plan p{color:#6e6e73}.plan-emblem{color:#0071e3;background:#eaf3ff}.plan-card.featured{border-color:#0071e3}.recommended{background:#0071e3}.security-strip{color:#0055a6;background:#f0f7ff;border-color:#cfe5ff}.settings-nav button.active{color:#0055a6;background:#edf5ff}.avatar-setting>span{color:#06c;background:#eaf3ff}.integration-flow{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffffe6;border:1px solid #e5e5ea;border-radius:8px;grid-template-columns:1fr 22px 1fr 22px 1fr 22px 1fr;align-items:center;gap:12px;min-height:112px;margin-bottom:16px;padding:18px 24px;display:grid}.integration-flow>div{grid-template-columns:38px 1fr;align-items:center;gap:2px 10px;display:grid}.integration-flow>div>span{color:#0071e3;background:#f2f2f7;border-radius:8px;grid-row:1/3;place-items:center;width:38px;height:38px;display:grid}.integration-flow>div>span svg{width:18px}.integration-flow strong{font-size:12px}.integration-flow small{color:#86868b;font-size:9px}.integration-flow>svg{color:#c7c7cc;width:16px}.integration-setup{margin-bottom:16px}.setup-options{grid-template-columns:repeat(3,1fr);gap:10px;padding:16px;display:grid}.setup-options>button{text-align:left;cursor:pointer;background:#fff;border:1px solid #e5e5ea;border-radius:8px;grid-template-columns:38px 1fr;align-items:center;gap:10px;min-height:74px;padding:14px;display:grid}.setup-options>button:hover{background:#f7fbff;border-color:#7db9f5}.setup-options>button>span{color:#0071e3;background:#edf5ff;border-radius:8px;place-items:center;width:38px;height:38px;display:grid}.setup-options svg{width:17px}.setup-options div{flex-direction:column;display:flex}.setup-options strong{font-size:11px}.setup-options small{color:#86868b;margin-top:4px;font-size:9px}.integration-grid{grid-template-columns:minmax(0,1.5fr) minmax(280px,.7fr);gap:16px;margin-bottom:16px;display:grid}.provider-list article{border-top:1px solid #ececf0;grid-template-columns:44px 1fr 34px;align-items:center;gap:12px;min-height:92px;padding:15px 17px;display:grid}.provider-list article:first-child{border-top:0}.provider-logo{color:#0071e3;background:#f2f2f7;border-radius:8px;place-items:center;width:44px;height:44px;display:grid}.provider-logo svg{width:19px}.provider-info{min-width:0}.provider-info>div{align-items:center;gap:7px;display:flex}.provider-info strong{font-size:12px}.provider-info>small{color:#86868b;margin-top:4px;font-size:9px;display:block}.provider-info p{flex-wrap:wrap;gap:5px;margin:9px 0 0;display:flex}.provider-info p span{color:#6e6e73;background:#f2f2f7;border-radius:4px;padding:3px 6px;font-size:8px}.connection-state{border-radius:4px;padding:3px 6px;font-size:8px}.connection-state.connected{color:#267447;background:#e8f6ed}.connection-state.attention{color:#98600d;background:#fff3dc}.integration-side{flex-direction:column;gap:10px;display:flex}.sync-summary{align-items:center;gap:10px;padding:16px;display:flex}.sync-summary>svg{color:#2b7c4b;width:25px}.sync-summary div{flex-direction:column;display:flex}.sync-summary strong{font-size:11px}.sync-summary span{color:#86868b;margin-top:3px;font-size:9px}.sync-panel dl{margin:0;padding:0 16px}.sync-panel dl div{border-top:1px solid #ececf0;justify-content:space-between;align-items:center;min-height:36px;font-size:9px;display:flex}.sync-panel dt{color:#6e6e73}.sync-panel dd{margin:0;font-weight:600}.warning-text{color:#b36b00}.sync-panel>button{width:calc(100% - 32px);margin:12px 16px 16px}.mapping-note{background:#fff;border:1px solid #e5e5ea;border-radius:8px;gap:9px;padding:13px;display:flex}.mapping-note svg{color:#8e6a2d;flex:0 0 17px;width:17px}.mapping-note strong{font-size:10px}.mapping-note p{color:#6e6e73;margin:3px 0 0;font-size:8px;line-height:1.55}.integration-log table{border-collapse:collapse;width:100%;min-width:680px}.integration-log th,.integration-log td{text-align:left;border-top:1px solid #ececf0;height:44px;padding:0 16px;font-size:9px}.integration-log th{color:#6e6e73;background:#f9f9fb}@media(max-width:720px){.integration-flow{grid-template-columns:1fr;padding:14px}.integration-flow>svg{justify-self:center;transform:rotate(90deg)}.setup-options,.integration-grid{grid-template-columns:1fr}.integration-flow>div{min-height:50px}.sidebar-plan{color:#1d1d1f}.source-preview .paper-preview{width:calc(100vw - 20px);min-height:620px;padding:38px 28px}}.scene-segment{width:100%}.scene-segment button{flex:1}.difficulty-mix{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.difficulty-mix label{background:#fff;border:1px solid #e5e5ea;border-radius:6px;grid-template-columns:1fr 34px;align-items:center;gap:3px;min-width:0;padding:5px 6px;display:grid}.difficulty-mix label span{color:#515154;font-size:8px}.difficulty-mix input{text-align:center;background:#f2f2f7;border:0;outline:0;width:32px;height:25px;padding:0;font-size:9px}.mix-note{color:#86868b;margin-top:6px;font-size:8px}.blueprint-report{background:#f7fbff;border-bottom:1px solid #dcecff;justify-content:space-between;align-items:center;gap:14px;min-height:54px;padding:9px 16px;display:flex}.blueprint-report>div{flex-direction:column;display:flex}.blueprint-report strong{color:#0055a6;font-size:9px}.blueprint-report span{color:#6f8aa3;margin-top:2px;font-size:8px}.blueprint-report p{align-items:center;gap:8px;margin:0;display:flex}.blueprint-report p b{font-size:8px}.blueprint-report p em{color:#06c;font-size:8px;font-style:normal}@media(max-width:720px){.difficulty-mix{grid-template-columns:1fr}.blueprint-report{flex-direction:column;align-items:flex-start}.blueprint-report p{flex-wrap:wrap}}.import-report{color:#0055a6;background:#f0f7ff;border:1px solid #cfe5ff;border-radius:7px;grid-template-columns:20px 1fr 34px;align-items:center;gap:8px;min-height:42px;margin-bottom:12px;padding:8px 12px;font-size:12px;display:grid}.import-report>svg{width:16px}.import-report .icon-button{justify-self:end}.csv-guide-layer{z-index:90;place-items:center;padding:20px;display:grid}.csv-guide{z-index:1;background:#fff;border-radius:8px;width:min(620px,100vw - 28px);max-height:calc(100vh - 40px);position:relative;overflow-y:auto;box-shadow:0 18px 60px #0003}.csv-guide>header{border-bottom:1px solid #e5e5ea;justify-content:space-between;align-items:center;min-height:76px;padding:14px 18px;display:flex}.csv-guide>header>div{align-items:center;gap:12px;display:flex}.csv-guide>header>div>span{color:#0071e3;background:#edf5ff;border-radius:8px;place-items:center;width:40px;height:40px;display:grid}.csv-guide>header svg{width:19px}.csv-guide h3{margin:0;font-size:17px}.csv-guide header p{color:#6e6e73;margin:4px 0 0;font-size:12px}.csv-explain{background:#f5f5f7;border-radius:7px;align-items:flex-start;gap:9px;margin:16px 18px 8px;padding:13px;display:flex}.csv-explain>svg{color:#0071e3;flex:0 0 18px;width:18px}.csv-explain p{flex-direction:column;margin:0;display:flex}.csv-explain strong{font-size:13px}.csv-explain span{color:#515154;margin-top:4px;font-size:12px;line-height:1.65}.csv-steps{margin:8px 18px;padding:0;list-style:none}.csv-steps li{border-top:1px solid #ececf0;grid-template-columns:28px 1fr;align-items:center;gap:10px;min-height:58px;display:grid}.csv-steps li:first-child{border-top:0}.csv-steps i{color:#06c;background:#edf5ff;border-radius:50%;place-items:center;width:25px;height:25px;font-size:10px;font-style:normal;display:grid}.csv-steps li div{flex-direction:column;display:flex}.csv-steps strong{font-size:13px}.csv-steps span{color:#6e6e73;margin-top:3px;font-size:11px;line-height:1.5}.csv-columns{border:1px solid #e5e5ea;border-radius:7px;margin:8px 18px 16px;padding:12px}.csv-columns>strong{font-size:12px}.csv-columns>div{flex-wrap:wrap;gap:5px;margin-top:8px;display:flex}.csv-columns span{color:#515154;background:#f2f2f7;border-radius:4px;padding:5px 7px;font-size:10px}.csv-guide>footer{border-top:1px solid #e5e5ea;justify-content:flex-end;gap:8px;min-height:66px;padding:12px 18px;display:flex}.csv-guide footer svg{width:15px}@media(max-width:720px){.csv-guide-layer{padding:10px}.csv-guide{max-height:calc(100vh - 20px)}.csv-guide>footer{grid-template-columns:1fr 1fr;display:grid}.csv-guide>footer .button{min-width:0;padding:0 8px}}.large-text-toggle.active{color:#0071e3;background:#edf5ff}.aa-symbol{font-size:13px;font-weight:700;line-height:1}html[data-ui-scale=large] .document-name input{font-size:15px}html[data-ui-scale=large] .document-name span{font-size:12px}html[data-ui-scale=large] .mode-switch button{font-size:13px}html[data-ui-scale=large] .aside-title{font-size:14px}html[data-ui-scale=large] .outline-blocks>button{min-height:60px}html[data-ui-scale=large] .outline-blocks>button>span{font-size:10px}html[data-ui-scale=large] .outline-blocks small{font-size:11px}html[data-ui-scale=large] .outline-blocks strong{font-size:13px}html[data-ui-scale=large] .template-menu>span,html[data-ui-scale=large] .add-block-menu>span{font-size:12px}html[data-ui-scale=large] .template-menu button,html[data-ui-scale=large] .add-block-menu>div button,html[data-ui-scale=large] .from-library{min-height:36px;font-size:12px}html[data-ui-scale=large] .canvas-tools>div button,html[data-ui-scale=large] .canvas-tools>span,html[data-ui-scale=large] .school-line{font-size:12px}html[data-ui-scale=large] .handout-paper h1{font-size:25px}html[data-ui-scale=large] .handout-paper header p{font-size:12px}html[data-ui-scale=large] .handout-block>input{font-size:16px}html[data-ui-scale=large] .handout-block>textarea{font-size:14px;line-height:1.8}html[data-ui-scale=large] .inline-answer{font-size:12px}html[data-ui-scale=large] .property-tabs button,html[data-ui-scale=large] .property-row,html[data-ui-scale=large] .property-row>button:not(.switch),html[data-ui-scale=large] .property-group>label,html[data-ui-scale=large] .mini-segment button{font-size:13px}html[data-ui-scale=large] .property-group>span,html[data-ui-scale=large] .collaborators strong,html[data-ui-scale=large] .version-note strong,html[data-ui-scale=large] .version-note p{font-size:11px}html[data-ui-scale=large] .collaborators i,html[data-ui-scale=large] .collaborators button,html[data-ui-scale=large] .version-note span{font-size:10px}html[data-ui-scale=large] .research-cycle span,html[data-ui-scale=large] .research-editor label,html[data-ui-scale=large] .research-editor textarea{font-size:12px}html[data-ui-scale=large] .research-evidence strong{font-size:11px}html[data-ui-scale=large] .research-evidence p{font-size:10px}html[data-ui-scale=large] .nav-label{font-size:11px}html[data-ui-scale=large] .field>span,html[data-ui-scale=large] .list-head,html[data-ui-scale=large] .question-meta,html[data-ui-scale=large] .knowledge-row{font-size:12px}html[data-ui-scale=large] .question-main>p{font-size:15px;line-height:1.75}html[data-ui-scale=large] .provider-info>small,html[data-ui-scale=large] .provider-info p span,html[data-ui-scale=large] .integration-log th,html[data-ui-scale=large] .integration-log td{font-size:11px}html[data-ui-scale=large] .basket-name strong{font-size:13px}html[data-ui-scale=large] .basket-name span,html[data-ui-scale=large] .basket-summary span,html[data-ui-scale=large] .basket-items small,html[data-ui-scale=large] .basket-items article>div>span{font-size:10px}html[data-ui-scale=large] .basket-items p{font-size:12px}html[data-ui-scale=large] .basket-clear{font-size:11px}@media(max-width:720px){.top-actions .large-text-toggle{display:inline-grid}html[data-ui-scale=large] .handout-block>textarea{font-size:13px}}.handout-page{color:#1d1d1f;background:#eef0f4;height:calc(100vh - 64px);min-height:720px}.handout-toolbar{border-color:#d8dbe2;grid-template-columns:minmax(260px,1fr) auto minmax(190px,1fr);gap:18px;min-height:68px;padding:10px 18px;box-shadow:0 1px #14192308}.document-name>svg{color:#0a66c2;width:20px;height:20px}.document-name input{width:min(420px,36vw);font-size:14px;font-weight:650}.document-name span{margin-top:4px;font-size:11px}.mode-switch{background:#e9ebef;border-radius:7px;height:38px;padding:3px;display:flex}.mode-switch button{border-radius:5px;min-width:92px;padding:0 14px;font-size:12px}.mode-switch button.active{color:#0a4f96}.handout-actions .button{min-height:36px;font-size:12px}.handout-grid{grid-template-columns:240px minmax(0,1fr) 280px}.handout-grid.outline-hidden{grid-template-columns:minmax(0,1fr) 280px}.handout-grid.properties-hidden{grid-template-columns:240px minmax(0,1fr)}.handout-grid.outline-hidden.properties-hidden{grid-template-columns:minmax(0,1fr)}.handout-outline,.handout-properties{background:#fffffff7;font-size:12px}.aside-title{min-height:52px;padding:0 14px;font-size:13px}.aside-title .icon-button,.property-collapse{width:32px;height:32px}.outline-blocks{padding:9px}.outline-blocks>button{grid-template-columns:15px 24px minmax(0,1fr);gap:7px;min-height:58px;padding:8px 9px}.outline-blocks>button>svg{width:14px}.outline-blocks>button>span{width:22px;height:22px;font-size:10px}.outline-blocks small{font-size:10px}.outline-blocks strong{margin-top:3px;font-size:12px}.template-menu,.add-block-menu{margin-left:12px;margin-right:12px}.template-menu>span,.add-block-menu>span{font-size:11px}.template-menu button{height:34px;font-size:10px}.add-block-menu>div button,.from-library{min-height:36px;font-size:11px}.add-block-menu svg{width:14px}.handout-canvas-wrap{min-width:0;overflow:auto}.editor-tools-sticky{z-index:12;min-width:660px;position:sticky;top:0}.canvas-tools{background:#f7f8faf7;border-color:#d8dbe2;min-width:0;height:44px;position:static}.canvas-tools>div button{height:32px;padding:0 9px;font-size:11px}.canvas-tools svg{width:15px;height:15px}.canvas-tools>span{font-size:11px}.print-button{background:#fff!important;border:1px solid #d8dbe2!important;min-height:32px!important}.rich-text-toolbar{background:#fffffffa;border-bottom:1px solid #d8dbe2;align-items:center;gap:7px;min-height:48px;padding:6px 12px;display:flex;overflow-x:auto;box-shadow:0 2px 8px #1419230a}.format-group{border-right:1px solid #e1e3e8;flex:none;align-items:center;gap:2px;padding-right:7px;display:flex}.format-group:last-of-type{border-right:0}.format-group button{color:#4c4f56;cursor:pointer;background:0 0;border:0;border-radius:5px;place-items:center;width:34px;height:34px;padding:0;display:grid}.format-group button:hover{background:#f0f2f5}.format-group button.active{color:#075fac;background:#eaf3fd}.format-group button svg{width:17px;height:17px}.format-group select{color:#34363b;background:#fff;border:1px solid #d8dbe2;border-radius:5px;height:34px;padding:0 25px 0 9px;font-size:12px}.color-control{color:#34363b;cursor:pointer;border-radius:5px;place-items:center;width:34px;height:34px;font-size:15px;font-weight:650;display:grid;position:relative}.color-control:hover{background:#f0f2f5}.color-control input{background:0 0;border:0;width:20px;height:5px;padding:0;position:absolute;bottom:4px;left:7px}.toolbar-hint{color:#7d8088;font-size:12px}.handout-paper{box-sizing:border-box;color:#202124;width:794px;min-height:1123px;margin:28px auto 72px;padding:54px 62px 58px;box-shadow:0 8px 30px #1a1f281f}.handout-paper.size-16k{width:720px;min-height:1018px}.handout-paper.orientation-landscape.size-a4{width:1050px;min-height:742px}.handout-paper.orientation-landscape.size-16k{width:960px;min-height:679px}.handout-paper.margin-compact{padding-left:38px;padding-right:38px}.handout-paper.margin-wide{padding-left:82px;padding-right:82px}.handout-paper.font-serif,.handout-paper.font-serif input,.handout-paper.font-serif .rich-text-surface{font-family:Songti SC,SimSun,serif}.handout-paper>header{border-bottom:2px solid #25262a;padding-bottom:18px}.school-line-edit,.page-title-edit,.handout-paper>footer input{width:100%;color:inherit;text-align:center;background:0 0;border:1px solid #0000;border-radius:4px;outline:0;padding:3px 6px}.school-line-edit{color:#62656c;font-size:12px}.page-title-edit{margin:5px 0 10px;font-size:25px;font-weight:700}.school-line-edit:hover,.page-title-edit:hover,.handout-paper>footer input:hover,.document-info-fields input:hover{border-color:#d4d8df}.school-line-edit:focus,.page-title-edit:focus,.handout-paper>footer input:focus,.document-info-fields input:focus{background:#f7fbff;border-color:#71a9de;box-shadow:0 0 0 3px #0a66c217}.document-info-fields{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 14px;display:flex}.document-info-fields label{grid-template-columns:minmax(50px,auto) minmax(78px,110px);align-items:center;gap:4px;padding-right:2px;display:inline-grid;position:relative}.document-info-fields input{background:0 0;border:1px solid #0000;border-radius:4px;outline:0;min-width:0;height:28px;padding:3px 5px;font-size:12px}.document-info-fields .info-label{color:#686b72;text-align:right}.document-info-fields .info-label:after{content:"："}.document-info-fields .info-value{border-bottom-color:#9ea2aa}.document-info-fields label>button{color:#777b83;cursor:pointer;background:#f1f2f5;border:0;border-radius:4px;place-items:center;width:20px;height:20px;padding:0;display:none;position:absolute;top:4px;right:-18px}.document-info-fields label:hover>button,.document-info-fields label:focus-within>button{display:grid}.document-info-fields label>button svg{width:12px}.teaching-mark-strip{flex-wrap:wrap;gap:6px;margin:14px 0 4px;display:flex}.teaching-mark-strip span{color:#315d84;background:#eef4fa;border-radius:4px;padding:4px 8px;font-size:11px}.handout-block-grid{gap:14px;margin-top:16px}.handout-paper.columns-2 .handout-block-grid{gap:15px}.handout-block{border-radius:5px;padding:12px 13px}.handout-block:hover,.handout-block.selected{border-color:#78aee0;box-shadow:0 0 0 2px #0a66c20f}.handout-block.objective{background:#f4f7fa}.handout-block.note,.handout-block.research{background:#fff9ee}.block-title-input{color:#22252a;background:0 0;border:1px solid #0000;border-radius:4px;outline:0;width:100%;margin-bottom:6px;padding:2px 3px;font-size:16px;font-weight:700}.handout-block.example>.block-title-input{color:#07589f}.block-title-input:hover,.block-title-input:focus{background:#ffffffbf;border-color:#cdd9e5}.block-number{color:#767a82;font-size:12px;position:absolute;top:15px;left:-3px;transform:translate(-100%)}.rich-text-surface{color:#292c31;border:1px solid #0000;border-radius:4px;outline:0;min-height:32px;padding:3px;font-size:14px;line-height:1.75}.rich-text-surface:hover{border-color:#e0e3e8}.rich-text-surface:focus{background:#f7fbffcc;border-color:#82b3df;box-shadow:0 0 0 3px #0a66c214}.rich-text-surface p{margin:0 0 7px}.rich-text-surface p:last-child{margin-bottom:0}.rich-text-surface ul,.rich-text-surface ol{margin:5px 0;padding-left:24px}.rich-text-surface a{color:#075fac;text-decoration:underline}.rich-text-surface img{max-width:100%;height:auto;margin:8px auto;display:block}.inline-answer{background:#f1f7fd;border-left:3px solid #1673c8;gap:9px;margin-top:11px;padding:11px 12px;font-size:12px;display:grid}.inline-answer label{grid-template-columns:108px minmax(0,1fr);align-items:start;gap:8px;display:grid}.inline-answer label>strong{color:#285879;padding-top:6px;font-size:12px}.answer-editor{min-height:34px;font-size:13px}.student-answer-space{border:1px solid #d7dae0;border-radius:5px;margin-top:13px;padding:8px 10px 4px}.student-answer-space span{color:#777b83;margin-bottom:5px;font-size:11px;display:block}.student-answer-space i{border-bottom:1px solid #dfe2e7;height:25px;display:block}.student-answer-space.compact i{height:22px}.student-answer-space.wide i{height:29px}.mode-student .handout-block.objective{background:0 0;border-bottom-color:#dfe2e7}.block-actions{z-index:4;top:-34px}.block-actions button{width:30px;height:28px}.block-actions svg{width:15px}.handout-paper>footer{font-size:11px;bottom:25px}.handout-paper>footer input{font-size:11px}.slide-deck{box-sizing:border-box;aspect-ratio:16/9;background:#fff;grid-template-rows:34px minmax(0,1fr) 46px;width:min(960px,100% - 56px);min-height:0;margin:30px auto 70px;padding:30px 42px 24px;display:grid;overflow:hidden;box-shadow:0 9px 32px #1a1f2824}.slide-deck>header{border-bottom:1px solid #e0e3e8;justify-content:space-between;align-items:start;display:flex}.slide-deck>header input{color:#747880;background:0 0;border:0;outline:0;width:70%;padding:0;font-size:12px}.slide-deck>header span{color:#8b8f97;font-size:12px}.slide-content{flex-direction:column;justify-content:center;min-height:0;padding:34px 24px 16px;display:flex;overflow:auto}.slide-kicker{color:#0a66c2;margin-bottom:9px;font-size:13px;font-weight:650}.slide-title-input{color:#191b1f;background:0 0;border:0;border-bottom:1px solid #0000;outline:0;width:100%;padding:2px 0 8px;font-size:34px;font-weight:720}.slide-title-input:focus{border-bottom-color:#80b0db}.slide-rich-text{min-height:84px;margin-top:13px;font-size:22px;line-height:1.65}.slide-answer,.slide-analysis{background:#eff6fd;border-left:4px solid #0a66c2;margin-top:14px;padding:11px 16px}.slide-analysis{background:#f4f5f7;border-left-color:#69727d}.slide-answer>strong,.slide-analysis>strong{color:#14588f;font-size:13px}.slide-analysis>strong{color:#555b64}.slide-answer-editor{margin-top:5px;font-size:18px}.slide-deck>footer{border-top:1px solid #e0e3e8;justify-content:space-between;align-items:end;gap:10px;display:flex}.slide-deck>footer button{color:#484c53;cursor:pointer;background:#f0f2f5;border:0;border-radius:5px;justify-content:center;align-items:center;gap:6px;min-width:102px;height:34px;padding:0 12px;font-size:12px;display:inline-flex}.slide-deck>footer button.active{color:#075fac;background:#e9f3fd}.slide-deck>footer button svg{width:15px}.property-tabs{grid-template-columns:1fr 1fr 34px;height:52px}.property-tabs button{font-size:12px}.property-tabs svg{width:15px}.property-row{min-height:54px;padding:0 14px;font-size:12px}.property-row>button:not(.switch),.mini-segment button{font-size:11px}.property-row select{background:#fff;border:1px solid #d8dbe2;border-radius:5px;min-width:90px;height:32px;padding:0 8px;font-size:11px}.mini-segment button{cursor:pointer;height:29px;padding:0 9px}.property-command{color:#075fac;cursor:pointer;background:#fff;border:1px solid #d8dbe2;border-radius:5px;justify-content:center;align-items:center;gap:6px;width:calc(100% - 28px);min-height:36px;margin:12px 14px;font-size:11px;display:flex}.property-command svg{width:14px}.property-summary{background:#f3f6f9;border-radius:6px;margin:14px;padding:12px}.property-summary strong{font-size:12px}.property-summary p{color:#666b73;margin:5px 0 0;font-size:11px;line-height:1.6}.property-group{gap:11px;padding:14px}.property-group>span{font-size:11px}.property-group>label{font-size:12px}.property-group>label svg{width:13px}.research-cycle span,.research-editor label,.research-editor textarea,.research-evidence strong,.version-note strong{font-size:11px}.research-evidence p,.version-note p{font-size:10px}.version-note span{font-size:9px}@media(max-width:1180px){.handout-toolbar{grid-template-columns:minmax(240px,1fr) auto}.mode-switch{grid-area:2/1/auto/-1;justify-self:center}.handout-grid{grid-template-columns:210px minmax(0,1fr) 250px}.handout-grid.outline-hidden{grid-template-columns:minmax(0,1fr) 250px}.handout-grid.properties-hidden{grid-template-columns:210px minmax(0,1fr)}.handout-grid.outline-hidden.properties-hidden{grid-template-columns:minmax(0,1fr)}}@media(max-width:820px){.handout-page{height:auto;min-height:calc(100vh - 64px)}.handout-toolbar{grid-template-columns:minmax(0,1fr) auto;gap:9px;padding:10px 12px}.document-name input{width:min(58vw,390px)}.mode-switch{justify-content:stretch;width:100%;overflow-x:auto}.mode-switch button{white-space:nowrap;flex:1;min-width:0;padding:0 8px}.handout-grid,.handout-grid.outline-hidden,.handout-grid.properties-hidden,.handout-grid.outline-hidden.properties-hidden{flex-direction:column;display:flex}.handout-outline,.handout-properties{border:0;border-bottom:1px solid #d8dbe2;flex:none;max-height:330px}.handout-canvas-wrap{min-height:720px;overflow:auto}.editor-tools-sticky{min-width:600px}.handout-paper{margin:16px 10px 46px;padding:34px 26px 42px;width:calc(100% - 20px)!important;min-height:calc(141.4vw - 28.28px)!important}.handout-paper.columns-2 .handout-block-grid{grid-template-columns:1fr}.slide-deck{width:calc(100% - 20px);min-width:600px;margin:16px 10px 46px}}@media(max-width:560px){.handout-toolbar{grid-template-columns:1fr}.handout-actions{justify-self:stretch;width:100%}.handout-actions .button{flex:1;justify-content:center}.mode-switch{grid-row:auto}.document-name input{width:80vw}.page-title-edit{font-size:21px}.document-info-fields{grid-template-columns:1fr 1fr;gap:5px 12px;display:grid}.document-info-fields label{grid-template-columns:55px minmax(0,1fr)}.inline-answer label{grid-template-columns:1fr;gap:1px}}@media print{.editor-tools-sticky,.rich-text-toolbar,.document-info-fields label>button{display:none!important}.school-line-edit,.page-title-edit,.document-info-fields input,.block-title-input,.rich-text-surface,.handout-paper>footer input{box-shadow:none!important;border-color:#0000!important}.handout-paper{box-shadow:none}.slide-deck{width:100%;min-height:0;box-shadow:none;margin:0}}.export-control{position:relative}.export-control>.button{justify-content:center;min-width:92px}.export-control>.button svg:last-child{width:13px;margin-left:2px}.export-menu{z-index:40;background:#fff;border:1px solid #d8dbe2;border-radius:7px;width:270px;padding:8px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 14px 34px #161c2629}.export-menu>strong{color:#666a72;padding:6px 8px 8px;font-size:11px;display:block}.export-menu>button{color:#24272c;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:5px;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:8px;width:100%;min-height:52px;padding:8px;display:grid}.export-menu>button:hover{background:#f2f5f8}.export-menu>button>svg{color:#0a66c2;width:18px}.export-menu>button span{font-size:12px;font-weight:600}.export-menu>button small{color:#858992;font-size:10px}.export-menu>p{color:#a53b45;margin:6px 8px 2px;font-size:10px;line-height:1.5}.play-button{color:#075fac!important;background:#edf6ff!important;border:1px solid #b9d5ef!important}.export-detail-row{align-items:flex-start;gap:8px;padding-top:11px;padding-bottom:11px}.export-detail-row .mini-segment{flex-wrap:wrap;justify-content:flex-end}.slide-print-pages{display:none}.presentation-stage{z-index:300;background:#0e1014;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.presentation-slide{aspect-ratio:16/9;color:#17191d;background:#fff;grid-template-rows:6% minmax(0,1fr) 9%;width:min(100vw - 48px,177.778vh - 85.3333px);padding:2.8% 3.8% 2.4%;display:grid;overflow:hidden}.presentation-slide>header{color:#747880;border-bottom:1px solid #e0e3e8;grid-template-columns:1fr auto 36px;align-items:start;gap:16px;font-size:clamp(11px,1vw,15px);display:grid}.presentation-slide>header button{color:#555a63;cursor:pointer;background:#eef0f3;border:0;border-radius:50%;align-self:center;place-items:center;width:32px;height:32px;padding:0;display:grid}.presentation-slide>header button svg{width:17px}.presentation-slide>main{flex-direction:column;justify-content:center;min-height:0;padding:4.2% 2.2% 2%;display:flex;overflow:auto}.presentation-slide>main>small{color:#0a66c2;font-size:clamp(12px,1.15vw,19px);font-weight:650}.presentation-slide h1{letter-spacing:0;margin:1.1% 0 2%;font-size:clamp(28px,3vw,54px);line-height:1.2}.presentation-html{font-size:clamp(18px,2vw,34px);line-height:1.65}.presentation-html p,.presentation-reveal p{margin:0 0 .55em}.presentation-html img,.presentation-reveal img{object-fit:contain;max-width:100%;max-height:30vh}.presentation-reveal{background:#eff6fd;border-left:4px solid #0a66c2;margin-top:1.5%;padding:1.3% 1.8%;font-size:clamp(15px,1.45vw,25px);line-height:1.55}.presentation-reveal.analysis{background:#f4f5f7;border-left-color:#69727d}.presentation-reveal>strong{color:#14588f;font-size:.72em}.presentation-reveal.analysis>strong{color:#555b64}.presentation-slide>footer{border-top:1px solid #e0e3e8;justify-content:space-between;align-items:end;gap:16px;padding-top:1.2%;display:flex}.presentation-slide>footer button{color:#474b53;cursor:pointer;background:#eef0f3;border:0;border-radius:5px;justify-content:center;align-items:center;gap:7px;min-width:44px;height:36px;padding:0 14px;font-size:12px;display:inline-flex}.presentation-slide>footer button.active{color:#075fac;background:#e8f3fd}.presentation-slide>footer button svg{width:17px}@media(max-width:620px){.export-control{flex:1}.export-control>.button{width:100%}.export-menu{width:min(300px,100vw - 24px);right:0}.presentation-stage{padding:0}.presentation-slide{width:100vw}}@page handout-output{size:A4;margin:0}@page classroom-output{size:13.333in 7.5in;margin:0}@media print{.handout-paper{page:handout-output}.presentation-stage,.export-menu,.mode-slides .handout-grid{display:none!important}.mode-slides .slide-print-pages{display:block!important}.slide-print-page{page:classroom-output;box-sizing:border-box;break-after:page;color:#191b1f;background:#fff;grid-template-rows:.34in minmax(0,1fr) .3in;width:13.333in;height:7.5in;padding:.4in .62in .32in;display:grid}.slide-print-page.answer{background:#eff6fd}.slide-print-page.analysis{background:#f4f5f7}.slide-print-page>header{color:#747880;border-bottom:1px solid #dfe3e8;justify-content:space-between;font-size:9pt;display:flex}.slide-print-page>main{flex-direction:column;justify-content:center;padding:.5in .22in .2in;display:flex}.slide-print-page>main small{color:#0a66c2;font-size:12pt;font-weight:650}.slide-print-page>main h1{letter-spacing:0;margin:.12in 0 .28in;font-size:26pt}.slide-print-page>main div{font-size:18pt;line-height:1.6}.slide-print-page>footer{color:#858992;border-top:1px solid #dfe3e8;font-size:8pt}}.route-loading{background:#f7f8fa;place-items:center;min-height:calc(100vh - 64px);display:grid}.route-loading span{border:2px solid #dce3ea;border-top-color:#0a66c2;border-radius:50%;width:24px;height:24px;animation:.7s linear infinite route-loading-spin}@keyframes route-loading-spin{to{transform:rotate(360deg)}}.math-text{white-space:pre-wrap;overflow-wrap:anywhere}.math-inline{vertical-align:-.16em;max-width:100%;margin:0 .08em;display:inline-block}.math-block{text-align:center;max-width:100%;margin:.45em 0;display:block;overflow:auto hidden}.math-text .katex{font-size:1.04em}.question-stem{color:#1d1d1f;cursor:pointer;margin:9px 0 0;font-size:14px;line-height:1.85}.formula-field{gap:0}.formula-field>span{margin-bottom:7px}.formula-toolbar{background:#f7f7f9;border:1px solid #d8dbe2;border-bottom:0;border-radius:6px 6px 0 0;flex-wrap:wrap;gap:4px;min-height:38px;padding:5px;display:flex}.formula-toolbar button{color:#34363b;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:4px;min-width:34px;height:27px;padding:0 7px;font-family:Times New Roman,serif;font-size:13px}.formula-toolbar button:hover{color:#06c;background:#fff;border-color:#c8d7e8}.formula-field textarea{border-radius:0 0 6px 6px;font-family:SFMono-Regular,Consolas,Microsoft YaHei,monospace}.formula-preview{color:#202124;background:#fbfcfe;border:1px solid #dce4ec;border-radius:6px;grid-template-columns:72px minmax(0,1fr);align-items:start;gap:8px;min-height:48px;margin-top:7px;padding:9px 11px;font-size:13px;line-height:1.75;display:grid}.formula-preview>small{color:#737780;padding-top:2px;font-size:10px}.formula-preview .katex-error{color:#a53b45;font-family:inherit;font-size:11px}.paper-style-options{gap:6px;display:grid}.paper-style-options button{color:#2a2c30;text-align:left;cursor:pointer;background:#fff;border:1px solid #d8dbe2;border-radius:6px;flex-direction:column;align-items:flex-start;gap:3px;min-height:49px;padding:8px 10px;display:flex}.paper-style-options button:hover{border-color:#a8c8e8}.paper-style-options button.active{background:#f1f7fe;border-color:#6eace9;box-shadow:inset 3px 0 #0071e3}.paper-style-options strong{font-size:11px}.paper-style-options small{color:#737780;font-size:9px;line-height:1.45}.paper-question-section>h3{border-bottom:1px solid #2c2d30;justify-content:space-between;align-items:baseline;gap:12px;margin:25px 0 4px;padding-bottom:7px;font-size:14px;display:flex}.paper-question-section>h3 small{color:#737780;font-size:9px;font-weight:500}.paper-instruction{color:#74777d;margin:0 0 5px;font-size:9px}.print-paper .paper-question-section article{padding-left:0}.paper-style-formal header{border-bottom-width:2px}.paper-style-practice{padding:34px 40px}.paper-style-practice header{border-bottom-width:1px;padding-bottom:10px}.paper-style-practice .paper-question-section>h3{border-bottom-color:#aeb3bb;margin-top:19px}.paper-style-practice .paper-question-section article{padding-top:10px;padding-bottom:10px}.paper-style-review{border-top:5px solid #355f82}.paper-style-review header{border-bottom-color:#6d7e8e}.paper-style-review .paper-question-section>h3{color:#274f72;border-bottom-color:#8aa0b4}.review-objective{color:#40586d;background:#f7fafc;border:1px solid #c9d7e3;margin-top:14px;padding:9px 11px;font-size:9px}.review-knowledge{color:#3e6688;margin-top:9px;font-size:9px}.review-checks{color:#73777e;margin-top:5px;font-size:9px}.paper-answer-line{border-bottom:1px solid #d7d9de;height:25px}.paper-answer .math-text{display:inline}.history-arrow{color:#a2a5ab;width:14px}.paper-picker-layer{z-index:95;place-items:center;padding:20px;display:grid}.paper-picker{z-index:1;background:#fff;border-radius:8px;flex-direction:column;width:min(720px,100vw - 28px);max-height:min(760px,100vh - 40px);display:flex;position:relative;overflow:hidden;box-shadow:0 20px 60px #0003}.paper-picker>header{border-bottom:1px solid #e5e5ea;justify-content:space-between;align-items:center;min-height:76px;padding:14px 18px;display:flex}.paper-picker h3{margin:0;font-size:17px}.paper-picker header p{color:#6e6e73;margin:4px 0 0;font-size:11px}.picker-search{border:1px solid #d8dbe2;border-radius:6px;grid-template-columns:20px 1fr;align-items:center;gap:7px;min-height:40px;margin:12px 16px;padding:0 10px;display:grid}.picker-search svg{color:#858990;width:16px}.picker-search input{border:0;outline:0;width:100%;height:36px;font-size:12px}.picker-list{border-top:1px solid #ececf0;min-height:220px;overflow-y:auto}.picker-list article{border-bottom:1px solid #ececf0;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:15px;min-height:94px;padding:13px 16px;display:grid}.picker-list article>div{flex-direction:column;gap:5px;min-width:0;font-size:12px;line-height:1.65;display:flex}.picker-list article>div>span,.picker-list article small{color:#777b83;font-size:9px}.picker-list article>button{min-width:70px}.picker-empty{color:#858990;place-items:center;min-height:220px;font-size:12px;display:grid}.paper-picker>footer{color:#6e6e73;border-top:1px solid #e5e5ea;justify-content:space-between;align-items:center;min-height:62px;padding:10px 16px;font-size:11px;display:flex}@media(max-width:720px){.formula-preview{grid-template-columns:1fr}.result-toolbar>div:last-child{flex-wrap:wrap;width:100%}.result-toolbar .toggle-label{width:100%}.paper-style-practice{padding:26px 20px}.paper-picker-layer{padding:0}.paper-picker{border-radius:0;width:100%;height:100%;max-height:none}.picker-list article{grid-template-columns:1fr}.picker-list article>button{justify-self:start}}@media print{.blueprint-report{display:none!important}.paper-style-review{border-top:0}.math-block{overflow:visible}}.app-loading{color:#6e6e73;background:#f5f5f7;place-content:center;justify-items:center;gap:12px;min-height:100vh;font-size:13px;display:grid}.app-loading span{border:2px solid #d9e1ea;border-top-color:#0071e3;border-radius:50%;width:27px;height:27px;animation:.7s linear infinite route-loading-spin}.app-loading p{margin:0}.route-frame{min-height:calc(100vh - 64px);animation:.18s cubic-bezier(.2,.7,.2,1) route-enter}@keyframes route-enter{0%{opacity:.35;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.route-frame{animation:none}}.login-page{background:#f5f5f7;place-items:center;min-height:100vh;padding:32px 18px;display:grid}.login-panel{background:#fff;border:1px solid #e1e3e7;border-radius:8px;width:min(430px,100%);overflow:hidden;box-shadow:0 20px 50px #161c2617}.login-panel>header{border-bottom:1px solid #ececf0;align-items:center;gap:14px;min-height:112px;padding:24px 26px;display:flex}.login-panel>header>span{color:#fff;background:#0071e3;border-radius:8px;place-items:center;width:46px;height:46px;display:grid}.login-panel>header svg{width:23px}.login-panel h1{color:#1d1d1f;letter-spacing:0;margin:0;font-size:22px}.login-panel header p{color:#6e6e73;margin:5px 0 0;font-size:12px}.login-panel form{padding:24px 26px 18px}.login-panel form>label{color:#44464c;gap:7px;margin-bottom:16px;font-size:12px;font-weight:600;display:grid}.login-panel form>label>div{border:1px solid #d4d8de;border-radius:6px;grid-template-columns:20px minmax(0,1fr) 30px;align-items:center;gap:7px;height:44px;padding:0 10px;display:grid}.login-panel label svg{color:#777b83;width:17px}.login-panel label input{color:#1d1d1f;border:0;outline:0;width:100%;height:40px;font-size:14px}.login-panel label button{cursor:pointer;background:0 0;border:0;place-items:center;width:30px;height:30px;padding:0;display:grid}.login-submit{width:100%;height:44px;margin-top:5px}.login-error{color:#a23440;background:#fff5f6;border:1px solid #f0c9cd;border-radius:5px;padding:9px 10px;font-size:11px}.login-panel>footer{color:#7a7d84;background:#fafafd;border-top:1px solid #ececf0;flex-direction:column;justify-content:center;gap:4px;min-height:58px;padding:13px 26px;font-size:10px;display:flex}.workspace-switch-wrap{position:relative}.subject-switcher{color:#1d1d1f;text-align:left;cursor:pointer;width:calc(100% - 28px)}.subject-switcher strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.subject-icon svg{width:17px}.workspace-menu{z-index:60;color:#1d1d1f;background:#fff;border:1px solid #dfe1e6;border-radius:8px;width:300px;position:absolute;top:calc(100% - 4px);left:14px;overflow:hidden;box-shadow:0 16px 42px #00000029}.workspace-menu>header{border-bottom:1px solid #ececf0;flex-direction:column;justify-content:center;min-height:56px;padding:10px 12px;display:flex}.workspace-menu>header span{font-size:12px;font-weight:700}.workspace-menu>header small{color:#86868b;margin-top:3px;font-size:9px}.workspace-list{max-height:248px;padding:6px;overflow-y:auto}.workspace-list>button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;grid-template-columns:32px minmax(0,1fr) 18px;align-items:center;gap:8px;width:100%;min-height:54px;padding:7px 8px;display:grid}.workspace-list>button:hover,.workspace-list>button.active{background:#f1f7fe}.workspace-list>button>i{color:#1966a6;background:#edf2f7;border-radius:6px;place-items:center;width:30px;height:30px;font-style:normal;display:grid}.workspace-list i svg{width:15px}.workspace-list>button>span{flex-direction:column;min-width:0;display:flex}.workspace-list strong{text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.workspace-list small{color:#858990;margin-top:3px;font-size:8px}.workspace-list>button>svg{color:#0071e3;width:15px}.workspace-menu>form{border-top:1px solid #ececf0;grid-template-columns:minmax(0,1fr) 54px;gap:6px;padding:9px;display:grid}.workspace-menu>form label{border:1px solid #d8dbe1;border-radius:5px;grid-template-columns:18px 1fr;align-items:center;gap:4px;height:34px;padding:0 8px;display:grid}.workspace-menu form svg{color:#777b83;width:14px}.workspace-menu form input{border:0;outline:0;min-width:0;font-size:10px}.workspace-menu form>button{color:#fff;cursor:pointer;background:#0071e3;border:0;border-radius:5px;font-size:9px}.workspace-menu>p{color:#a23440;margin:0;padding:0 10px 8px;font-size:9px}.workspace-logout{color:#6e6e73;cursor:pointer;background:#fff;border:0;border-top:1px solid #ececf0;align-items:center;gap:7px;width:100%;min-height:39px;padding:0 12px;font-size:10px;display:flex}.workspace-logout:hover{color:#a23440;background:#f7f7f9}.workspace-logout svg{width:14px}.profile{color:#1d1d1f;text-align:left;cursor:pointer;background:0 0;border-bottom:0;border-left:0;border-right:0;width:100%}.notification-wrap{position:relative}.notification-menu{z-index:60;background:#fff;border:1px solid #dfe1e6;border-radius:8px;width:290px;position:absolute;top:42px;right:0;overflow:hidden;box-shadow:0 15px 38px #00000024}.notification-menu header{border-bottom:1px solid #ececf0;justify-content:space-between;align-items:center;height:48px;padding:0 12px;display:flex}.notification-menu header strong{font-size:12px}.notification-menu header button{cursor:pointer;background:0 0;border:0;width:28px;height:28px}.notification-menu header svg{width:14px}.notification-menu p{border-bottom:1px solid #ececf0;flex-direction:column;justify-content:center;min-height:65px;margin:0;padding:11px 13px;display:flex}.notification-menu p:last-child{border-bottom:0}.notification-menu span{font-size:11px;font-weight:650}.notification-menu small{color:#7a7d84;margin-top:4px;font-size:9px}.library-loading{color:#737780;place-content:center;justify-items:center;gap:10px;min-height:280px;font-size:12px;display:grid}.library-loading span{border:2px solid #dbe3eb;border-top-color:#0071e3;border-radius:50%;width:23px;height:23px;animation:.7s linear infinite route-loading-spin}.library-loading p{margin:0}.import-report.error{color:#a23440;background:#fff5f6;border-color:#efcbd0}.settings-message,.admin-message{color:#0055a6;background:#f0f7ff;border:1px solid #cfe5ff;border-radius:7px;align-items:center;gap:7px;min-height:42px;margin-bottom:12px;padding:9px 12px;font-size:11px;display:flex}.settings-message svg,.admin-message svg{width:15px}.settings-message.error,.admin-message.error{color:#a23440;background:#fff5f6;border-color:#efcbd0}.admin-message button{cursor:pointer;background:0 0;border:0;margin-left:auto}.avatar-setting small{color:#737780;font-size:10px}.personal-space-note,.security-account{background:#f7fbff;border:1px solid #d8e6f3;border-radius:7px;grid-template-columns:38px 1fr;align-items:center;gap:11px;min-height:82px;padding:14px;display:grid}.personal-space-note>svg,.security-account>svg{color:#1966a6;width:24px}.personal-space-note div,.security-account div{flex-direction:column;display:flex}.personal-space-note strong,.security-account strong{font-size:11px}.personal-space-note span,.security-account span{color:#6e7580;margin-top:4px;font-size:9px;line-height:1.55}.member-list{border:1px solid #e5e5ea;border-radius:7px;overflow:hidden}.member-list>div{border-bottom:1px solid #ececf0;grid-template-columns:34px 1fr auto;align-items:center;gap:9px;min-height:61px;padding:9px 12px;display:grid}.member-list>div:last-child{border-bottom:0}.member-list>div>span{color:#06c;background:#eaf3ff;border-radius:50%;place-items:center;width:32px;height:32px;font-size:11px;font-weight:700;display:grid}.member-list div>div{flex-direction:column;display:flex}.member-list strong{font-size:11px}.member-list small{color:#7b7e85;margin-top:3px;font-size:9px}.member-list em{color:#676b73;background:#f2f2f7;border-radius:4px;padding:3px 6px;font-size:8px;font-style:normal}.pending-invites{gap:5px;margin-top:14px;display:grid}.pending-invites>strong{margin-bottom:3px;font-size:10px}.pending-invites>span{color:#5f636b;border:1px solid #ececf0;border-radius:5px;grid-template-columns:20px 1fr auto;align-items:center;min-height:36px;padding:0 9px;font-size:9px;display:grid}.pending-invites svg{width:13px}.pending-invites em{font-style:normal}.invite-member{border-top:1px solid #ececf0;margin-top:17px;padding-top:15px}.invite-member h4{align-items:center;gap:6px;margin:0 0 9px;font-size:11px;display:flex}.invite-member h4 svg{width:15px}.invite-member>div{grid-template-columns:1fr 125px 72px;gap:7px;display:grid}.invite-member input,.invite-member select{border:1px solid #d8dbe1;border-radius:5px;min-width:0;height:36px;padding:0 9px;font-size:10px}.invite-member small{color:#7b7e85;margin-top:7px;font-size:8px;display:block}.security-settings>form{max-width:440px;margin-top:20px}.security-settings>form>.button{min-width:120px}.admin-stats{grid-template-columns:repeat(3,1fr);gap:13px;margin-bottom:16px;display:grid}.admin-stats>div{background:#fff;border:1px solid #e2e4e8;border-radius:8px;grid-template-columns:34px 1fr;align-items:center;gap:2px 10px;min-height:110px;padding:15px;display:grid}.admin-stats svg{color:#1966a6;grid-row:1/4;width:24px}.admin-stats span,.admin-stats small{color:#737780;font-size:9px}.admin-stats strong{font-size:24px}.admin-users{margin-bottom:16px}.admin-users table{border-collapse:collapse;width:100%;min-width:780px}.admin-users th,.admin-users td{text-align:left;border-top:1px solid #ececf0;height:55px;padding:8px 14px;font-size:10px}.admin-users th{color:#737780;background:#fafafd;height:42px}.admin-users td:first-child{display:table-cell}.admin-users td:first-child strong,.admin-users td:first-child span{display:block}.admin-users td:first-child span{color:#7a7d84;margin-top:3px;font-size:8px}.admin-users select{background:#fff;border:1px solid #d8dbe1;border-radius:5px;height:31px;padding:0 6px;font-size:9px}.admin-status{border-radius:4px;padding:3px 6px;font-size:8px}.admin-status.active{color:#2b7045;background:#eaf6ee}.admin-status.disabled{color:#777b83;background:#f2f2f7}.admin-audit>div:last-child{max-height:320px;overflow-y:auto}.admin-audit p{border-top:1px solid #ececf0;grid-template-columns:155px 180px 1fr;align-items:center;gap:8px;min-height:42px;margin:0;padding:7px 14px;font-size:9px;display:grid}.admin-audit span{color:#737780}.admin-audit em{color:#6f747c;font-style:normal}.admin-loading{color:#737780;place-content:center;justify-items:center;gap:8px;min-height:180px;font-size:11px;display:grid}.admin-create-layer{z-index:95;place-items:center;padding:18px;display:grid}.admin-create{z-index:1;background:#fff;border-radius:8px;width:min(620px,100vw - 28px);position:relative;box-shadow:0 20px 60px #0003}.admin-create>header{border-bottom:1px solid #ececf0;justify-content:space-between;align-items:center;min-height:76px;padding:14px 18px;display:flex}.admin-create h3{margin:0;font-size:16px}.admin-create header p{color:#737780;margin:4px 0 0;font-size:10px}.admin-create>.field-grid{padding:18px}.admin-create>footer{border-top:1px solid #ececf0;justify-content:flex-end;align-items:center;gap:7px;min-height:62px;padding:10px 18px;display:flex}@media(max-width:720px){.workspace-menu{width:min(330px,100vw - 20px);position:fixed;top:78px;left:10px}.notification-wrap{display:none}.login-page{background:#fff;padding:0}.login-panel{min-height:100vh;box-shadow:none;border:0;border-radius:0}.admin-stats{grid-template-columns:1fr}.admin-stats>div{min-height:84px}.admin-audit p{grid-template-columns:1fr;gap:3px;padding:10px 12px}.invite-member>div{grid-template-columns:1fr}.invite-member .button{width:100%}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}