@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_AMS-Regular.BQhdFMY1.woff2) format("woff2"),url(/_astro/KaTeX_AMS-Regular.DMm9YOAa.woff) format("woff"),url(/_astro/KaTeX_AMS-Regular.DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2) format("woff2"),url(/_astro/KaTeX_Caligraphic-Bold.BEiXGLvX.woff) format("woff"),url(/_astro/KaTeX_Caligraphic-Bold.ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Caligraphic-Regular.Di6jR-x-.woff2) format("woff2"),url(/_astro/KaTeX_Caligraphic-Regular.CTRA-rTL.woff) format("woff"),url(/_astro/KaTeX_Caligraphic-Regular.wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Fraktur-Bold.CL6g_b3V.woff2) format("woff2"),url(/_astro/KaTeX_Fraktur-Bold.BsDP51OF.woff) format("woff"),url(/_astro/KaTeX_Fraktur-Bold.BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Fraktur-Regular.CTYiF6lA.woff2) format("woff2"),url(/_astro/KaTeX_Fraktur-Regular.Dxdc4cR9.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_Main-Bold.Cx986IdX.woff2) format("woff2"),url(/_astro/KaTeX_Main-Bold.Jm3AIy58.woff) format("woff"),url(/_astro/KaTeX_Main-Bold.waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/_astro/KaTeX_Main-BoldItalic.DxDJ3AOS.woff2) format("woff2"),url(/_astro/KaTeX_Main-BoldItalic.SpSLRI95.woff) format("woff"),url(/_astro/KaTeX_Main-BoldItalic.DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_Main-Italic.NWA7e6Wa.woff2) format("woff2"),url(/_astro/KaTeX_Main-Italic.BMLOBm91.woff) format("woff"),url(/_astro/KaTeX_Main-Italic.3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Main-Regular.B22Nviop.woff2) format("woff2"),url(/_astro/KaTeX_Main-Regular.Dr94JaBh.woff) format("woff"),url(/_astro/KaTeX_Main-Regular.ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/_astro/KaTeX_Math-BoldItalic.CZnvNsCZ.woff2) format("woff2"),url(/_astro/KaTeX_Math-BoldItalic.iY-2wyZ7.woff) format("woff"),url(/_astro/KaTeX_Math-BoldItalic.B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_Math-Italic.t53AETM-.woff2) format("woff2"),url(/_astro/KaTeX_Math-Italic.DA0__PXp.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_SansSerif-Bold.D1sUS0GD.woff2) format("woff2"),url(/_astro/KaTeX_SansSerif-Bold.DbIhKOiC.woff) format("woff"),url(/_astro/KaTeX_SansSerif-Bold.CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_SansSerif-Italic.C3H0VqGB.woff2) format("woff2"),url(/_astro/KaTeX_SansSerif-Italic.DN2j7dab.woff) format("woff"),url(/_astro/KaTeX_SansSerif-Italic.YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_SansSerif-Regular.DDBCnlJ7.woff2) format("woff2"),url(/_astro/KaTeX_SansSerif-Regular.CS6fqUqJ.woff) format("woff"),url(/_astro/KaTeX_SansSerif-Regular.BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Script-Regular.D3wIWfF6.woff2) format("woff2"),url(/_astro/KaTeX_Script-Regular.D5yQViql.woff) format("woff"),url(/_astro/KaTeX_Script-Regular.C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size1-Regular.mCD8mA8B.woff2) format("woff2"),url(/_astro/KaTeX_Size1-Regular.C195tn64.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_Size2-Regular.Dy4dx90m.woff2) format("woff2"),url(/_astro/KaTeX_Size2-Regular.oD1tc_U0.woff) format("woff"),url(/_astro/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(/_astro/KaTeX_Size3-Regular.CTq5MqoE.woff) format("woff"),url(/_astro/KaTeX_Size3-Regular.DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size4-Regular.Dl5lxZxV.woff2) format("woff2"),url(/_astro/KaTeX_Size4-Regular.BF-4gkZK.woff) format("woff"),url(/_astro/KaTeX_Size4-Regular.DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Typewriter-Regular.CO6r4hn1.woff2) format("woff2"),url(/_astro/KaTeX_Typewriter-Regular.C0xS9mPB.woff) format("woff"),url(/_astro/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:"0.17.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;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 .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{color-scheme:dark;--white: #fff;--white-soft: rgba(255, 255, 255, .78);--white-faint: rgba(255, 255, 255, .52);--ink-deep: #182c41;--glass: rgba(255, 255, 255, .01);--ease: cubic-bezier(.4, 0, .2, 1)}@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif/InstrumentSerif-Regular.woff2) format("woff2");font-display:swap;font-style:normal;font-weight:400}@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif/InstrumentSerif-Italic.woff2) format("woff2");font-display:swap;font-style:italic;font-weight:400}@font-face{font-family:Techglot HarmonyOS;src:url(/assets/typora/phycat/HarmonyOS_Sans_SC_Regular.woff) format("woff");font-display:swap;font-weight:400}@font-face{font-family:Techglot HarmonyOS;src:url(/assets/typora/phycat/HarmonyOS_Sans_SC_Bold.woff) format("woff");font-display:swap;font-weight:700}@font-face{font-family:Techglot Cascadia;src:url(/assets/typora/phycat/Cascadia-Code-Regular.ttf) format("truetype");font-display:swap;font-weight:400}*{box-sizing:border-box}html{background:#000;color:var(--white);font-family:"Instrument Serif",华文宋体,Georgia,serif;scroll-behavior:smooth}body{margin:0;min-width:320px;background:#000}body:has(.notes-shell){background:#f7f3ea}body:has(.browse-shell){background:linear-gradient(90deg,rgba(24,44,65,.055) 1px,transparent 1px),linear-gradient(180deg,rgba(24,44,65,.045) 1px,transparent 1px),radial-gradient(circle at 18% 24%,rgba(155,77,50,.12),transparent 32%),radial-gradient(circle at 82% 18%,rgba(52,88,119,.12),transparent 34%),#f6f2e8;background-size:44px 44px,44px 44px,auto,auto,auto}.site-beian{display:flex;justify-content:center;align-items:center;min-height:38px;padding:10px 18px;background:transparent;color:#3e35269e;font-family:Techglot HarmonyOS,Microsoft YaHei,sans-serif;font-size:12px;line-height:1.4}.site-beian a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}.site-beian a:hover{color:#3e3526e6}body:has(.cinematic-hero) .site-beian{color:#ffffff85}body:has(.cinematic-hero) .site-beian a:hover{color:#ffffffd1}a{color:inherit;text-decoration:none}button,input{font:inherit}.cinematic-hero{position:relative;width:100%;height:100vh;min-height:680px;overflow:hidden;background:#000}.video-stage,.shade-layer,.scene-overlay,.hero-content{position:absolute;inset:0}.scene-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.02);transition:opacity 1s ease-in-out}.scene-video.is-active{opacity:1}.scene-overlay{z-index:1;width:100%;height:100%;object-fit:cover;opacity:1;transform:scale(1.03);animation:train-bob 3s ease-in-out infinite;pointer-events:none}.shade-layer{z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.34),transparent 24%),linear-gradient(0deg,rgba(0,0,0,.52),transparent 36%),radial-gradient(circle at 50% 48%,transparent 0,rgba(0,0,0,.23) 68%);pointer-events:none}.hero-content{z-index:2;display:flex;flex-direction:column;padding:28px clamp(18px,4vw,56px) 30px}.liquid-glass{position:relative;overflow:hidden;border:none;background:var(--glass);background-blend-mode:luminosity;box-shadow:inset 0 1px 1px #ffffff1a;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.liquid-glass:before{position:absolute;inset:0;padding:1.4px;border-radius:inherit;background:linear-gradient(180deg,#ffffff73,#ffffff26 20%,#fff0 40% 60%,#ffffff26 80%,#ffffff73);content:"";pointer-events:none;-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude}.hero-nav{display:flex;min-height:64px;align-items:center;justify-content:space-between;gap:18px}.wordmark{display:inline-flex;align-items:center;gap:10px;color:var(--white);font-size:clamp(24px,3vw,34px);font-style:italic;line-height:1}.brand-logo{display:block;width:auto;max-width:min(240px,34vw);height:52px;border-radius:0;object-fit:contain;object-position:center}.desktop-nav{display:flex;align-items:center;gap:8px;border-radius:999px;padding:8px;color:#ffffffe6;font-family:system-ui,sans-serif;font-size:14px;overflow:visible}.desktop-nav a:not(.nav-action):hover,.desktop-nav .nav-group:focus-within .nav-top-link{color:var(--white)}.section-nav{display:flex;align-items:center;gap:6px}.nav-group{position:relative;display:flex;align-items:center}.nav-top-link{position:relative;z-index:2;display:inline-flex;min-height:36px;align-items:center;border-radius:999px;padding:0 13px;transition:background .22s ease,color .22s ease}.nav-group:hover .nav-top-link,.nav-group:focus-within .nav-top-link{background:#ffffff1f}.nav-dropdown{position:absolute;top:calc(100% + 12px);left:50%;z-index:130;display:grid;min-width:210px;gap:3px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#0e1114bd;box-shadow:0 22px 60px #0000003d;opacity:0;padding:8px;pointer-events:none;transform:translate(-50%,8px);transition:opacity .18s ease,transform .22s var(--ease);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.nav-dropdown:before{position:absolute;right:0;bottom:100%;left:0;height:14px;content:""}.nav-group:hover .nav-dropdown,.nav-group:focus-within .nav-dropdown{opacity:1;pointer-events:auto;transform:translate(-50%)}.nav-dropdown-link{display:flex;min-height:38px;align-items:center;gap:10px;border-radius:6px;color:#ffffffc2;padding:7px 10px;transition:background .18s ease,color .18s ease,transform .18s ease;white-space:nowrap}.nav-dropdown-link:hover,.nav-dropdown-link:focus-visible{background:#ffffff1a;color:#fff;transform:translate(2px)}.nav-dropdown-child{padding-left:calc(10px + var(--depth, 0) * 14px);font-size:13px;opacity:.86}.nav-flag{display:grid;width:24px;height:24px;flex:0 0 auto;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:#fffc}.nav-flag img{display:block;width:100%;height:100%;object-fit:cover}.nav-flag img[src*="china.svg"],.language-directory .category-orb img[src*="china.svg"]{object-position:8% 0%;transform-origin:8% 0%;transform:scale(1.65)}.nav-flag img[src*="greece.svg"],.language-directory .category-orb img[src*="greece.svg"]{object-position:18% 24%}.nav-flag img[src*="spain.svg"],.language-directory .category-orb img[src*="spain.svg"],.nav-flag img[src*="vatican.svg"],.language-directory .category-orb img[src*="vatican.svg"]{object-position:36% 50%}.nav-flag img[src*="esperanto.svg"],.language-directory .category-orb img[src*="esperanto.svg"]{object-position:0% 24%}.nav-flag img[src*="greece.svg"],.language-directory .category-orb img[src*="greece.svg"]{object-position:10% 24%}.nav-action{border-radius:999px;background:var(--white);color:#111;padding:10px 16px;font-weight:650}.mobile-toggle{display:none;width:48px;height:48px;place-items:center;border-radius:999px}.menu-line{position:absolute;width:18px;height:1.5px;border-radius:2px;background:var(--white);transition:transform .3s var(--ease),opacity .3s var(--ease)}.menu-line:first-child{transform:translateY(-4px)}.menu-line:last-child{transform:translateY(4px)}.mobile-toggle[aria-expanded=true] .menu-line:first-child{transform:rotate(45deg)}.mobile-toggle[aria-expanded=true] .menu-line:last-child{transform:rotate(-45deg)}.mobile-menu{position:fixed;inset:0;z-index:50;display:grid;place-content:center;gap:20px;background:#0009;opacity:0;pointer-events:none;text-align:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:opacity .5s var(--ease)}.mobile-menu a{color:var(--white);font-size:34px;opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}.mobile-menu a:nth-child(1){transition-delay:.1s}.mobile-menu a:nth-child(2){transition-delay:.15s}.mobile-menu a:nth-child(3){transition-delay:.2s}.mobile-menu a:nth-child(4){transition-delay:.25s}.mobile-menu a:nth-child(5){transition-delay:.3s}.mobile-action{display:inline-flex;justify-content:center;border-radius:999px;background:var(--white);color:#111!important;margin-top:12px;padding:12px 24px;font-family:system-ui,sans-serif;font-size:15px!important;font-weight:700}.mobile-menu[aria-hidden=false]{opacity:1;pointer-events:auto}.mobile-menu[aria-hidden=false] a{opacity:1;transform:translateY(0)}.hero-center{display:grid;justify-items:center;max-width:1040px;margin:auto;padding:42px 0;text-align:center;transition:color .7s ease}.hero-badge{border-radius:999px;margin:0 0 24px;padding:9px 16px;color:var(--white-soft);font-family:system-ui,sans-serif;font-size:13px}h1{max-width:930px;margin:0;color:var(--white);font-size:clamp(50px,8vw,104px);font-weight:400;letter-spacing:0;line-height:1.02;text-wrap:balance;transition:color .7s ease}.hero-text{max-width:610px;margin:24px 0 0;color:var(--white-soft);font-family:system-ui,sans-serif;font-size:17px;line-height:1.8;text-wrap:pretty;transition:color .7s ease}.access-form{display:flex;width:min(440px,100%);min-height:54px;align-items:center;gap:8px;border-radius:999px;margin-top:32px;padding:7px}.access-form input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--white);padding:0 12px;font-family:system-ui,sans-serif;font-size:14px}.access-form input::placeholder{color:#ffffff9e}.access-form button{min-height:40px;border:0;border-radius:999px;background:var(--white);color:#111;padding:0 16px;font-family:system-ui,sans-serif;font-size:14px;font-weight:750}.scene-switcher{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:28px}.scene-button{border:0;border-bottom:1px solid transparent;background:transparent;color:#ffffff80;cursor:pointer;padding:8px 0;font-family:system-ui,sans-serif;font-size:13px;transition:color .3s ease,border-color .3s ease,opacity .3s ease}.scene-button:hover{color:#fffc}.scene-button.is-active{border-color:currentColor;color:var(--white)}.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 18px;color:#ffffffb8;font-family:system-ui,sans-serif;font-size:13px}.hero-stats i{width:1px;min-height:14px;background:#ffffff61}.cinematic-hero[data-scene="2"] .hero-center h1,.cinematic-hero[data-scene="2"] .hero-text,.cinematic-hero[data-scene="2"] .hero-badge,.cinematic-hero[data-scene="2"] .scene-button,.cinematic-hero[data-scene="2"] .access-form input{color:var(--ink-deep)}.cinematic-hero[data-scene="2"] .hero-badge,.cinematic-hero[data-scene="2"] .access-form{background:#ffffff14}.cinematic-hero[data-scene="2"] .access-form input::placeholder{color:#182c41ad}.cinematic-hero[data-scene="2"] .scene-button.is-active{color:var(--ink-deep)}@keyframes train-bob{0%,to{transform:translateY(0) scale(1.03)}50%{transform:translateY(-6px) scale(1.03)}}@media(max-width:760px){.cinematic-hero{min-height:640px}.desktop-nav{display:none}.mobile-toggle{display:grid}.hero-content{padding:22px 18px 24px}.hero-center{padding-top:30px}.hero-badge{max-width:320px;font-size:12px}h1{font-size:clamp(46px,15vw,68px)}.hero-text{font-size:15px}.access-form{align-items:stretch;flex-direction:column;border-radius:28px;padding:8px}.access-form input{min-height:42px;text-align:center}.access-form button{width:100%}.hero-stats i{display:none}}@media(max-height:720px)and (min-width:761px){.hero-content{padding-bottom:20px}.hero-center{padding:24px 0}h1{font-size:clamp(48px,7vw,82px)}}.notes-shell{min-height:100vh;background:#f7f3ea;color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;padding:96px clamp(18px,4vw,56px) 64px}.browse-shell{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(24,44,65,.055) 1px,transparent 1px),linear-gradient(180deg,rgba(24,44,65,.045) 1px,transparent 1px),radial-gradient(circle at 18% 24%,rgba(155,77,50,.12),transparent 32%),radial-gradient(circle at 82% 18%,rgba(52,88,119,.12),transparent 34%),#f6f2e8;background-size:44px 44px,44px 44px,auto,auto,auto;color:#1f1c18}.browse-shell:before{position:fixed;inset:0;background:linear-gradient(115deg,transparent 0 42%,rgba(24,44,65,.045) 48%,transparent 54%),linear-gradient(180deg,#f6f2e800,#f6f2e870);content:"";pointer-events:none;animation:browse-scan 9s var(--ease) infinite alternate}.notes-header{position:fixed;top:0;right:0;left:0;z-index:120;display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid rgba(31,28,24,.14);background:#f7f3eac7;padding:7px clamp(18px,4vw,56px);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.browse-shell .notes-header{border-bottom-color:#1f1c1824;background:#f6f2e8bd}.browse-shell .notes-brand,.browse-shell .notes-nav,.browse-shell .notes-nav a:hover{color:#1f1c18}.browse-shell .notes-nav{color:#1f1c18a3}.notes-brand{display:inline-flex;align-items:center;gap:10px;font-size:30px;font-style:italic}.notes-brand .brand-logo{width:auto;max-width:min(220px,28vw);height:58px;border:0;filter:brightness(.97) saturate(.88) contrast(1.04);mix-blend-mode:multiply;opacity:.94}.notes-nav{display:flex;align-items:center;gap:8px;color:#1f1c18ad;font-family:system-ui,sans-serif;font-size:14px}.notes-nav a:hover,.notes-nav .nav-group:focus-within .nav-top-link{color:#1f1c18}.notes-nav .nav-top-link{min-height:34px;padding:0 12px}.notes-nav .nav-group:hover .nav-top-link,.notes-nav .nav-group:focus-within .nav-top-link{background:#1f1c1812}.notes-nav .nav-dropdown{border-color:#1f1c181f;background:#fffcf4e0;box-shadow:0 22px 54px #1f1c1824}.notes-nav .nav-dropdown-link{color:#1f1c18ad}.notes-nav .nav-dropdown-link:hover,.notes-nav .nav-dropdown-link:focus-visible{background:#1f1c1812;color:#1f1c18}.notes-nav .nav-flag{border-color:#1f1c1824;background:#ffffffd6}.notes-nav-action{display:inline-flex;min-height:34px;align-items:center;border-radius:999px;background:#1f1c1812;color:#1f1c18c2;padding:0 13px;transition:background .22s ease,color .22s ease}.notes-nav-action:hover,.notes-nav-action:focus-visible{background:#1f1c181f;color:#1f1c18}.others-nav-group .nav-action,.others-nav-group .notes-nav-action{cursor:pointer}.others-nav-dropdown{min-width:190px}.others-nav-item{position:relative}.others-nav-submenu{position:absolute;top:0;right:calc(100% + 8px);z-index:140;display:grid;min-width:190px;gap:3px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#0e1114bd;box-shadow:0 22px 60px #0003;opacity:0;padding:8px;pointer-events:none;transform:translate(6px);transition:opacity .18s ease,transform .22s var(--ease);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.others-nav-submenu:before{position:absolute;top:0;right:-10px;bottom:0;width:10px;content:""}.others-nav-item:hover .others-nav-submenu,.others-nav-item:focus-within .others-nav-submenu{opacity:1;pointer-events:auto;transform:translate(0)}.notes-nav .others-nav-submenu{border-color:#1f1c181f;background:#fffcf4e0;box-shadow:0 22px 54px #1f1c1824}.nav-scroll-title{position:fixed;top:var(--title-y, 34px);left:50%;z-index:121;width:min(48vw,640px);color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-size:var(--title-size, 18px);line-height:1.18;opacity:var(--title-progress, 0);overflow:hidden;padding:0 .08em .14em;pointer-events:none;text-align:center;text-overflow:ellipsis;text-wrap:nowrap;transform:translate(-50%,-50%);transition:opacity .12s linear;white-space:nowrap;will-change:opacity,top,font-size}.channel-hero{max-width:850px;padding:76px 0 44px}.channel-hero p,.article-header a,.article-tags span,.note-link em{color:#9b4d32;font-family:system-ui,sans-serif;font-size:12px;font-style:normal;font-weight:760;letter-spacing:.08em;text-transform:uppercase}.channel-hero h1{max-width:none;margin:10px 0 18px;color:#1f1c18;font-size:clamp(58px,10vw,118px);font-weight:400;line-height:.96}.browse-shell .channel-hero h1{color:#1f1c18}.browse-shell .channel-hero p{color:#9b4d32eb}.browse-shell .channel-hero span{font-family:Georgia,STSong,Songti SC,SimSun,serif;color:#1f1c18a3}.channel-hero span{display:block;max-width:680px;color:#1f1c18a8;font-family:system-ui,sans-serif;font-size:18px;line-height:1.75}.note-list{display:grid;border-top:1px solid rgba(31,28,24,.16)}.recent-notes{display:grid;gap:12px}.category-notes{display:grid;gap:14px}.note-list-label{margin:0;color:#9b4d32e0;font-family:system-ui,sans-serif;font-size:12px;font-weight:760;letter-spacing:.08em;text-transform:uppercase}.note-search{display:grid;grid-template-columns:minmax(160px,1.25fr) minmax(130px,.9fr) minmax(150px,1fr) minmax(128px,.72fr) minmax(128px,.72fr) auto;min-height:54px;align-items:end;gap:8px;border:1px solid rgba(31,28,24,.14);border-radius:8px;background:#fffcf494;padding:8px 10px;box-shadow:inset 0 1px #ffffff7a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.note-search label{display:grid;gap:4px;min-width:0}.note-search label span{color:#1f1c1875;font-family:system-ui,sans-serif;font-size:11px;font-weight:700}.note-search input,.note-search select{min-width:0;width:100%;min-height:32px;border:1px solid rgba(31,28,24,.1);border-radius:6px;outline:0;background:#ffffff6b;color:#1f1c18;font-family:system-ui,sans-serif;font-size:14px;padding:0 10px}.note-search select{cursor:pointer}.note-search input:focus,.note-search select:focus{border-color:#3db8d36b;box-shadow:0 0 0 3px #3db8d31f}.note-search input::placeholder{color:#1f1c186b}.note-search-count{min-width:70px;color:#9b4d32d1;font-family:system-ui,sans-serif;font-size:12px;font-weight:700;padding-bottom:8px;text-align:right}.note-author{color:#1f1c188a;font-family:Times New Roman,STSong,Songti SC,SimSun,serif;font-size:14px;line-height:1.35}.browse-page .channel-hero{animation:quiet-rise .62s var(--ease) both}.channel-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,280px);gap:clamp(34px,6vw,86px);align-items:start}.channel-main{min-width:0}.others-page .channel-layout{grid-template-columns:minmax(0,560px) minmax(300px,360px);justify-content:space-between}.others-page .note-search{max-width:560px}.category-directory{position:sticky;top:100px;display:grid;justify-items:end;align-self:start;min-height:min(80vh,760px);padding:0;animation:quiet-rise .68s var(--ease) .12s both}.category-directory a{position:relative;display:flex;width:64px;min-height:10vh;align-items:center;justify-content:flex-end;color:#1f1c18;font-family:system-ui,sans-serif;font-size:18px;font-weight:720;letter-spacing:.01em;transform:translate(6px);animation:directory-enter .52s var(--ease) both;animation-delay:calc(var(--stagger, 0) * 42ms);transition:filter .26s ease,transform .26s ease,width .36s var(--ease)}.category-directory a:before{position:absolute;top:50%;right:30px;width:1px;height:calc(100% - 18px);background:linear-gradient(180deg,transparent,rgba(24,44,65,.22),transparent);content:"";transform:translateY(-50%)}.category-directory a:hover{width:min(280px,24vw);filter:drop-shadow(0 18px 34px rgba(31,28,24,.12));transform:translate(-8px)}.category-directory a.category-child{min-height:7.5vh;opacity:.82;transform:translate(calc(12px + var(--depth, 0) * -4px))}.category-directory a.category-child .category-orb{width:clamp(32px,5vh,48px);height:clamp(32px,5vh,48px)}.category-directory a.category-child>span:not(.category-orb){right:calc(clamp(32px,5vh,48px) + 14px);font-size:15px}.category-orb{position:relative;z-index:2;display:grid;width:clamp(46px,7vh,68px);height:clamp(46px,7vh,68px);flex:0 0 auto;place-items:center;overflow:hidden;border:1px solid rgba(24,44,65,.18);border-radius:999px;background:radial-gradient(circle at 35% 28%,rgba(255,255,255,.9),transparent 30%),#ffffffb8;box-shadow:inset 0 0 0 1px #ffffff6b,0 10px 26px #1f1c181c;transition:border-color .26s ease,box-shadow .26s ease,transform .26s ease}.category-orb:after{position:absolute;inset:5px;border:1px solid rgba(24,44,65,.1);border-radius:inherit;content:"";pointer-events:none}.category-orb img{display:block;width:72%;height:72%;object-fit:contain}.language-directory .category-orb img{width:100%;height:100%;object-fit:cover}.language-directory a{min-height:7.6vh}.language-directory .category-orb{width:clamp(36px,5.6vh,54px);height:clamp(36px,5.6vh,54px)}.language-directory a>span:not(.category-orb){right:calc(clamp(36px,5.6vh,54px) + 14px)}.category-directory a>span:not(.category-orb){position:absolute;right:calc(clamp(46px,7vh,68px) + 14px);max-width:188px;overflow:hidden;color:#1f1c1800;text-align:right;text-overflow:ellipsis;transform:translate(16px);transition:color .26s ease,transform .3s var(--ease);white-space:nowrap}.category-directory a:hover .category-orb{border-color:#9b4d326b;box-shadow:inset 0 0 0 1px #ffffff9e,0 16px 42px #9b4d3229;transform:scale(1.04)}.category-directory a:hover>span:not(.category-orb){color:#1f1c18f0;transform:translate(0)}.category-directory:not(.language-directory) .category-orb{background:linear-gradient(135deg,#182c41fa,#9b4d32bd),#182c41}.category-directory:not(.language-directory) .category-orb:before{display:none;width:16px;height:16px;border:1px solid rgba(255,255,255,.72);border-radius:999px;box-shadow:0 0 0 7px #ffffff14,0 0 24px #fff3;content:""}.others-directory{position:sticky;top:100px;display:grid;justify-items:end;gap:14px;align-self:start;min-height:min(80vh,760px);padding-top:8px;animation:quiet-rise .68s var(--ease) .12s both}.others-directory-item{position:relative;display:flex;justify-content:flex-end;animation:directory-enter .52s var(--ease) both;animation-delay:calc(var(--stagger, 0) * 48ms)}.others-category-pill{display:inline-flex;width:min(270px,24vw);min-height:clamp(58px,10vh,84px);align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:#ffffff1f;box-shadow:inset 0 1px 1px #ffffff6b,0 18px 42px #1f1c1814;color:#1f1c18db;font-family:system-ui,sans-serif;font-size:18px;font-weight:720;letter-spacing:.01em;text-align:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:background .26s ease,box-shadow .26s ease,color .26s ease,transform .3s var(--ease),width .36s var(--ease)}.others-directory-item:hover .others-category-pill,.others-directory-item:focus-within .others-category-pill{width:min(310px,28vw);background:#fff3;box-shadow:inset 0 1px 1px #ffffff94,0 24px 56px #1f1c181f;color:#1f1c18;transform:translate(-8px)}.others-child-panel{position:absolute;top:50%;right:calc(100% + 14px);z-index:5;display:grid;min-width:170px;gap:8px;opacity:0;pointer-events:none;transform:translate(14px,-50%) scale(.98);transition:opacity .22s ease,transform .28s var(--ease)}.others-directory-item:hover .others-child-panel,.others-directory-item:focus-within .others-child-panel{opacity:1;pointer-events:auto;transform:translateY(-50%) scale(1)}.others-child-panel a{display:flex;min-height:42px;align-items:center;justify-content:flex-end;border:1px solid rgba(255,255,255,.26);border-radius:999px;background:#ffffff29;box-shadow:inset 0 1px 1px #fff6;color:#1f1c18c7;font-family:system-ui,sans-serif;font-size:14px;font-weight:680;padding:0 16px;text-align:right;white-space:nowrap;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:background .22s ease,color .22s ease,transform .22s var(--ease)}.others-child-panel a:hover,.others-child-panel a:focus-visible{background:#ffffff42;color:#1f1c18;transform:translate(-4px)}.browse-page .recent-notes,.browse-page .note-list{animation:quiet-fade .78s var(--ease) .22s both}.language-landmark-page{position:relative;isolation:isolate;min-height:calc(100vh - 160px)}.language-landmark{position:fixed;inset:0 0 0 auto;z-index:-2;width:100vw;height:100vh;margin:0;overflow:hidden;pointer-events:none}.language-landmark img{position:absolute;inset:0 0 0 auto;width:58vw;height:100%;object-fit:cover;opacity:.72;filter:saturate(.94) contrast(.96);clip-path:polygon(76% 0,100% 0,100% 100%,0 100%);-webkit-mask-image:linear-gradient(111deg,transparent 0 38%,rgba(0,0,0,.26) 49%,rgba(0,0,0,.72) 61%,#000 74%);mask-image:linear-gradient(111deg,transparent 0 38%,rgba(0,0,0,.26) 49%,rgba(0,0,0,.72) 61%,#000 74%)}.language-landmark.landmark-esperanto img{width:60vw;object-position:44% center;opacity:.76;filter:saturate(1.03) contrast(.98)}.language-landmark.landmark-japanese img{object-position:20% center}.language-landmark:after{position:absolute;inset:0;background:linear-gradient(90deg,#f6f2e8 0 44%,#f6f2e8db 57%,#f6f2e838 78%,#f6f2e80f),linear-gradient(112deg,#f6f2e8 0 42%,#f6f2e8f5 54%,#f6f2e89e 66%,#f6f2e800 82%);content:""}.language-landmark-page .channel-hero,.language-landmark-page .category-notes,.language-landmark-page .note-list{max-width:min(720px,62vw)}.other-landmark-page{position:relative;isolation:isolate;min-height:calc(100vh - 160px)}.other-landmark{position:fixed;inset:0 0 0 auto;z-index:-2;width:100vw;height:100vh;margin:0;overflow:hidden;pointer-events:none}.other-landmark img{position:absolute;inset:0 0 0 auto;width:58vw;height:100%;object-fit:cover;opacity:.7;filter:saturate(.9) contrast(.94);-webkit-mask-image:linear-gradient(111deg,transparent 0 38%,rgba(0,0,0,.24) 50%,rgba(0,0,0,.72) 64%,#000 78%);mask-image:linear-gradient(111deg,transparent 0 38%,rgba(0,0,0,.24) 50%,rgba(0,0,0,.72) 64%,#000 78%)}.other-landmark:after{position:absolute;inset:0;background:linear-gradient(90deg,#f6f2e8 0 44%,#f6f2e8e0 57%,#f6f2e842 78%,#f6f2e814),linear-gradient(112deg,#f6f2e8 0 42%,#f6f2e8f5 54%,#f6f2e89e 66%,#f6f2e800 82%);content:""}.other-landmark-page .channel-hero,.other-landmark-page .category-notes,.other-landmark-page .note-list{max-width:min(720px,62vw)}.note-link{display:grid;grid-template-columns:140px minmax(180px,.7fr) minmax(240px,1fr) auto;gap:22px;align-items:baseline;border-bottom:1px solid rgba(31,28,24,.16);padding:22px 0;transition:border-color .24s ease,padding-left .24s ease,transform .24s ease}.browse-shell .note-list{border-top-color:#1f1c1829}.browse-shell .note-link{border-bottom-color:#1f1c1824}.browse-shell .note-link time,.browse-shell .note-link span{color:#1f1c1894}.browse-shell .note-link strong{color:#1f1c18}.browse-shell .note-link em,.browse-shell .note-link:hover strong{color:#9b4d32f0}.note-link:hover strong{color:#9b4d32}.browse-page .note-link:hover{border-color:#9b4d3247;padding-left:10px;transform:translate(2px)}.note-link time,.article-header time{color:#1f1c187a;font-family:system-ui,sans-serif;font-size:13px}.note-link strong{font-size:26px;font-weight:400}.note-link[hidden]{display:none}.note-link span{color:#1f1c18a8;font-family:system-ui,sans-serif;line-height:1.6}.note-link .note-meta{display:flex;min-width:0;max-width:100%;align-items:center;justify-content:flex-end;gap:10px;line-height:1.35;white-space:nowrap}.note-link .note-meta em{flex:1 1 auto;overflow:hidden;min-width:0;text-overflow:ellipsis}.note-link .note-author{flex:0 1 auto;overflow:hidden;min-width:0;text-overflow:ellipsis}.note-link .note-book-status{flex:0 0 auto}.note-book-status,.book-read-status{display:inline-flex;align-items:center;justify-content:center;width:max-content;max-width:100%;border-radius:3px;background:#b84235;color:#fff8ee;font-family:system-ui,sans-serif;font-size:11px;font-weight:700;letter-spacing:0;line-height:1;padding:5px 7px 6px;text-transform:lowercase}.note-book-status.is-finished,.book-read-status.is-finished{background:#2f8d5b}.book-read-status{margin-top:-4px;font-size:12px}.language-folder-browser{max-width:min(720px,62vw);margin-top:clamp(30px,7vw,72px);animation:quiet-rise .64s ease both}.language-folder-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:18px}.language-folder-link,.language-folder-note{position:relative;display:grid;min-height:112px;align-content:space-between;overflow:hidden;border:1px solid rgba(31,28,24,.14);border-radius:8px;background:#fffcf494;padding:18px;box-shadow:0 18px 50px #1f1c180f;transition:border-color .22s ease,background .22s ease,box-shadow .22s ease,transform .22s ease}.language-folder-link:after,.language-folder-note:after{position:absolute;inset:auto 16px 14px auto;width:42px;height:1px;background:#9b4d326b;content:"";transition:width .22s ease}.language-folder-link:hover,.language-folder-note:hover{border-color:#9b4d324d;background:#fffcf4c7;box-shadow:0 22px 58px #1f1c181a;transform:translateY(-2px)}.language-folder-link:hover:after,.language-folder-note:hover:after{width:68px}.language-folder-link small,.language-folder-note time,.language-folder-note span{color:#1f1c1880;font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.language-folder-link strong,.language-folder-note strong{color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-size:clamp(24px,2.2vw,34px);font-weight:400;line-height:1.05}.language-folder-note span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.language-folder-empty{margin:0;border-top:1px solid rgba(31,28,24,.14);padding:24px 0;color:#1f1c1885;font-family:system-ui,sans-serif}.language-search-all{margin-top:clamp(42px,8vw,88px)}.language-search-all:before{display:block;margin-bottom:18px;color:#1f1c187a;font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.08em;text-transform:uppercase;content:"Search all notes in this language"}.article-frame{display:block;box-sizing:border-box;width:min(100%,780px);max-width:780px;min-width:0;margin:0 auto;padding:0 clamp(18px,4vw,56px);overflow-x:clip}.article-frame-no-toc{display:block;max-width:780px}.article{max-width:780px;width:100%;min-width:0;margin:0 auto;padding:72px 0 20px;animation:article-enter .72s var(--ease) both}.book-meta{display:grid;gap:18px;max-width:260px;margin:54px auto 0;color:#1f1c18a8;font-family:system-ui,sans-serif}.book-cover{display:block;width:100%;aspect-ratio:2 / 3;border:1px solid rgba(31,28,24,.12);border-radius:6px;background:#efe3cc;box-shadow:0 22px 58px #1f1c1829;object-fit:cover}.book-cover-placeholder{display:grid;align-items:end;background:linear-gradient(135deg,#3db8d324,#80f7c429),#efe3cc;padding:18px}.book-cover-placeholder span{color:#1f1c18d1;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-size:28px;line-height:1.05}.book-facts{display:grid;gap:0;margin:0}.book-fact{border-top:1px solid rgba(31,28,24,.13);padding:11px 0 10px}.book-fact:first-child{border-top:0;padding-top:0}.book-fact:last-child{padding-bottom:0}.book-facts dt{color:#1f1c186b;font-size:11px;letter-spacing:0;line-height:1;text-transform:uppercase}.book-facts dd{margin:3px 0 0;color:#1f1c18c2;font-size:14px;line-height:1.45}.terminology-page{width:min(100% - clamp(24px,5vw,72px),1560px);max-width:none}.terminology-format,.termbase-list{animation:quiet-rise .62s var(--ease) both}.terminology-format{margin-top:36px}.terminology-format .note-list-label{margin-bottom:14px}.terminology-format-row{display:flex;flex-wrap:wrap;gap:8px}.terminology-format-row span{border:1px solid rgba(31,28,24,.12);border-radius:999px;background:#ffffff57;color:#1f1c18ad;font-family:system-ui,sans-serif;font-size:13px;font-weight:650;padding:8px 12px}.termbase-list{display:grid;gap:24px;margin-top:28px}.terminology-browser{display:grid;grid-template-columns:minmax(720px,1fr) minmax(260px,320px);gap:clamp(36px,6vw,96px);align-items:start}.terminology-browser .termbase-list{min-width:0}.terminology-tree{position:sticky;top:104px;display:grid;gap:14px;max-height:calc(100vh - 132px);overflow:hidden auto;border-left:1px solid rgba(31,28,24,.14);padding:8px 0 8px 22px;scrollbar-width:none;animation:quiet-rise .68s var(--ease) .12s both}.terminology-tree::-webkit-scrollbar{display:none}.terminology-tree p{margin:0;color:#9b4d32d1;font-family:system-ui,sans-serif;font-size:11px;font-weight:780;letter-spacing:.08em;text-transform:uppercase}.terminology-tree nav{display:grid;gap:5px}.terminology-tree-item{position:relative;display:grid;grid-template-columns:14px minmax(0,1fr);gap:8px;align-items:center;min-height:31px;border-radius:5px;color:#1f1c18a8;font-family:Times New Roman,STSong,Songti SC,SimSun,serif;font-size:14px;line-height:1.2;padding:6px 8px 6px calc(8px + var(--depth, 0) * 18px);transition:background .18s ease,color .18s ease,transform .18s ease}.terminology-tree-file:hover{background:#3db8d31a;color:#182c41f2;transform:translate(-2px)}.terminology-tree-folder{color:#1f1c186b;font-family:system-ui,sans-serif;font-size:12px;font-weight:760;letter-spacing:.04em;text-transform:uppercase}.terminology-tree-glyph{position:relative;width:10px;height:10px}.terminology-tree-folder .terminology-tree-glyph{border:1px solid rgba(155,77,50,.44);border-radius:2px}.terminology-tree-file .terminology-tree-glyph{border:1px solid rgba(61,184,211,.5);border-radius:999px}.terminology-tree-file .terminology-tree-glyph:after{position:absolute;inset:3px;border-radius:inherit;background:#3db8d3ad;content:""}.termbase-card{scroll-margin-top:96px;border:1px solid rgba(31,28,24,.13);border-radius:8px;background:linear-gradient(135deg,#ffffff94,#ffffff38),#ffffff47;box-shadow:0 24px 70px #1f1c1814;overflow:hidden}.termbase-card-header{display:flex;align-items:start;justify-content:space-between;gap:24px;border-bottom:1px solid rgba(31,28,24,.11);padding:clamp(20px,3vw,30px)}.termbase-card time{color:#9b4d32d1;font-family:system-ui,sans-serif;font-size:12px;font-weight:750;letter-spacing:.04em;text-transform:uppercase}.termbase-card h2{margin:7px 0 8px;color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-size:clamp(34px,5vw,58px);font-weight:400;letter-spacing:0;line-height:.94}.termbase-card p{max-width:620px;margin:0;color:#1f1c18a3;font-family:system-ui,sans-serif;line-height:1.65}.termbase-export{flex:0 0 auto;min-height:42px;border:1px solid rgba(31,28,24,.16);border-radius:999px;background:#1f1c18e6;color:#fff9ef;cursor:pointer;font-family:system-ui,sans-serif;font-size:13px;font-weight:760;padding:0 18px;transition:background .18s ease,transform .18s ease}.termbase-export:hover{background:#9b4d32;transform:translateY(-1px)}.termbase-meta{display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid rgba(31,28,24,.1);padding:14px clamp(20px,3vw,30px)}.termbase-meta span{border:1px solid rgba(31,28,24,.1);border-radius:999px;background:#ffffff57;color:#1f1c18a8;font-family:system-ui,sans-serif;font-size:12px;font-weight:680;padding:7px 10px}.termbase-table-wrap{overflow:auto}.termbase-table{width:100%;min-width:860px;border-collapse:collapse;color:#1f1c18c2;font-family:Times New Roman,STSong,Songti SC,SimSun,serif;font-size:15px}.termbase-table th,.termbase-table td{border-right:1px solid rgba(31,28,24,.1);border-bottom:1px solid rgba(31,28,24,.1);padding:14px 16px;text-align:left;vertical-align:top}.termbase-table th:last-child,.termbase-table td:last-child{border-right:0}.termbase-table thead th{background:#1f1c180b;color:#1f1c188f;font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.04em;text-transform:uppercase}.termbase-table tbody th{color:#1f1c18;font-weight:700}.term-chip{display:inline-block;margin:0 6px 6px 0;border:1px solid rgba(61,184,211,.24);border-radius:999px;background:#3db8d314;color:#182c41db;padding:4px 8px}.termbase-table ol{display:grid;gap:7px;margin:0;padding-left:18px}@media(max-width:980px){.terminology-browser{grid-template-columns:1fr}.terminology-tree{position:static;order:-1;max-height:none;border-left:0;border-top:1px solid rgba(31,28,24,.14);padding:16px 0 0}}.note-toc{position:fixed;top:108px;right:clamp(22px,4vw,72px);z-index:30;width:240px;max-height:calc(100vh - 134px);overflow:hidden auto;border-left:1px solid rgba(31,28,24,.16);color:#1f1c189e;font-family:Times New Roman,STSong,Songti SC,SimSun,serif;font-size:13px;overscroll-behavior:contain;padding-left:16px;scrollbar-width:none;animation:article-header-enter .76s var(--ease) .18s both}.note-toc-mobile-toggle{display:none}.note-toc::-webkit-scrollbar,.book-meta::-webkit-scrollbar{display:none}.note-toc-panel{display:grid;align-content:start;gap:3px;min-height:min(620px,calc(100vh - 134px))}.note-h2-section{max-width:100%;min-width:0;animation:note-section-enter .32s ease both}.note-h2-section[hidden]{display:none}.prose.is-dynamic-note-ready>:not(.note-h2-section){animation:note-section-enter .28s ease both}.prose.is-loading-note-chunk{opacity:.62;transition:opacity .16s ease}.note-toc-item{display:grid;grid-template-columns:minmax(0,1fr);align-items:start;column-gap:0}.note-toc-item.has-children{grid-template-columns:18px minmax(0,1fr);column-gap:3px}.note-toc-item[hidden]{display:none}.note-toc-toggle{display:grid;width:18px;height:30px;place-items:center;border:0;background:transparent;color:#1f1c1875;cursor:pointer;padding:0;transition:color .18s ease}.note-toc-toggle:hover,.note-toc-toggle:focus-visible{color:#1f1c18}.note-toc-toggle span{display:block;width:7px;height:7px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-1px) rotate(45deg);transition:transform .18s ease}.note-toc-item.is-collapsed .note-toc-toggle span{transform:translate(1px) rotate(-45deg)}.note-toc-link{position:relative;display:block;min-width:0;border-radius:4px;color:#1f1c1894;line-height:1.35;padding:8px 9px;transition:background .18s ease,color .18s ease,opacity .18s ease,transform .18s ease}.note-toc-link:before{position:absolute;top:50%;left:-16px;width:3px;height:18px;border-radius:999px;background:transparent;content:"";transform:translateY(-50%);transition:background .18s ease}.note-toc-link span{display:block;overflow:visible;opacity:1;text-overflow:clip;white-space:normal;overflow-wrap:anywhere}.note-toc-link:hover,.note-toc-link:focus-visible,.note-toc-link.is-active{color:#1f1c18;transform:translate(2px)}.note-toc-link:hover:before,.note-toc-link:focus-visible:before,.note-toc-link.is-active:before{background:#3db8d3}.note-toc-link.is-active{background:#3db8d31a}.note-toc-depth-2 .note-toc-link{color:#1f1c18bd;font-size:15px;padding-left:9px}.note-toc-depth-3 .note-toc-link{color:#1f1c18a3;font-size:14px;padding-left:22px}.note-toc-depth-4 .note-toc-link{color:#1f1c187a;font-size:13px;padding-left:35px}.note-toc-depth-5 .note-toc-link{color:#1f1c186b;font-size:12px;padding-left:48px}.note-toc-depth-6 .note-toc-link{color:#1f1c185c;font-size:11px;padding-left:61px}.note-toc-depth-2 .note-toc-link.is-active{background:#3db8d324}.note-toc-depth-3 .note-toc-link.is-active{background:#80f7c429}.note-toc-depth-4 .note-toc-link.is-active{background:#9b4d321a}.note-toc-depth-5 .note-toc-link.is-active{background:#1f1c1812}.note-toc-depth-6 .note-toc-link.is-active{background:#1f1c180b}@media(min-width:1180px){.article-frame-book .book-meta{position:fixed;top:108px;left:clamp(22px,4vw,72px);z-index:20;width:230px;max-height:calc(100vh - 134px);overflow:hidden auto;margin:0;border-right:1px solid rgba(31,28,24,.16);overscroll-behavior:contain;padding-right:18px;scrollbar-width:none}}.article-header{border-bottom:1px solid rgba(31,28,24,.16);padding-bottom:28px;animation:article-header-enter .76s var(--ease) 80ms both}.article-header time{display:block;margin-top:18px}.article-header h1{max-width:none;margin:12px 0 18px;color:#1f1c18;font-size:clamp(46px,8vw,82px);font-weight:400;line-height:1}.article-title-source{opacity:1}.article-header p{margin:0;color:#1f1c18a8;font-family:system-ui,sans-serif;font-size:18px;line-height:1.7}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.article-tags span{border:1px solid rgba(155,77,50,.25);border-radius:999px;padding:6px 10px}.prose{max-width:100%;min-width:0;overflow-x:clip;padding-top:30px;color:#2c2823;font-family:system-ui,sans-serif;font-size:18px;line-height:1.85}.prose>*{animation:prose-rise .68s var(--ease) both;animation-delay:calc(.16s + var(--prose-order, 0) * 42ms)}.prose>:nth-child(1){--prose-order: 1}.prose>:nth-child(2){--prose-order: 2}.prose>:nth-child(3){--prose-order: 3}.prose>:nth-child(4){--prose-order: 4}.prose>:nth-child(5){--prose-order: 5}.prose>:nth-child(n+6){--prose-order: 6}.prose>h1:first-child{display:none}.prose h1{max-width:none;margin:42px 0 16px;color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-size:clamp(34px,5vw,52px);font-weight:400;line-height:1.08}.prose h2{margin-top:42px;color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-size:38px;font-weight:400;line-height:1.12}.prose a{color:#9b4d32;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.prose pre{overflow-x:auto;border:1px solid rgba(31,28,24,.16);border-radius:8px;background:#fffaf0;padding:18px;font-size:14px;line-height:1.6;box-shadow:0 16px 42px #1f1c180f;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease}.prose pre:hover{border-color:#9b4d323d;box-shadow:0 20px 52px #1f1c181a;transform:translateY(-2px)}.prose{--phycat-ink: #26241f;--phycat-muted: #5f5a52;--phycat-border: rgba(61, 184, 211, .24);--phycat-soft: rgba(128, 247, 196, .16);--phycat-code: #f8fffb;--phycat-h2-bg: linear-gradient(to right, #3db8d3, #80f7c4);color:var(--phycat-ink);font-family:Times New Roman,STSong,Songti SC,SimSun,serif;font-size:17.5px;letter-spacing:0;line-height:2;overflow-wrap:anywhere;word-break:break-word}.prose p{margin:10px 0 16px;color:#33302a;font-family:Times New Roman,STSong,Songti SC,SimSun,serif;word-spacing:2px}.prose h1,.prose h2,.prose h3,.prose h4,.prose h5,.prose h6{color:#1f1c18;font-family:"Instrument Serif",华文宋体,Georgia,serif;font-weight:700;letter-spacing:0;scroll-margin-top:112px}.prose h1{margin:42px 0 16px;font-size:clamp(30px,4vw,42px);line-height:1.2}.prose h2{width:fit-content;margin:46px 0 18px;border-radius:4px;background:var(--phycat-h2-bg);background-size:200% 100%;color:#fff;font-size:1.35rem;line-height:1.6;padding:2px 13px;transition:background-position .18s ease}.prose h2:hover{background-position:100% 0}.prose h3{margin:34px 0 14px;border-left:5px solid #3db8d3;font-size:1.25rem;line-height:1.45;padding-left:12px}.prose h4{margin:28px 0 12px;font-size:1.08rem}.prose h4:before{display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:#3db8d3;content:"";vertical-align:.12em}.prose h5,.prose h6{margin:22px 0 10px;color:var(--phycat-muted);font-size:1rem}.prose h5:before,.prose h6:before{color:#3db8d3;content:"- "}.prose a{color:#151515;font-weight:700;text-decoration-color:#3db8d37a;text-decoration-thickness:1px;text-underline-offset:5px;transition:color .18s ease,text-decoration-color .18s ease}.prose a:hover{color:#089ba3;text-decoration-color:currentColor}.prose ul,.prose ol{margin:14px 0 20px;padding-left:1.8em}.prose li{margin:6px 0}.prose li::marker{color:#3db8d3;font-weight:700}.prose blockquote{margin:24px 0;border-left:4px solid #3db8d3;border-radius:0 6px 6px 0;background:linear-gradient(90deg,#3db8d31f,#80f7c414),#ffffff8a;color:#3e3932;padding:14px 18px}.prose blockquote p{margin:.35em 0}.prose strong{color:#111;font-weight:700}.prose em{color:#4a4741;text-underline-offset:4px}.prose mark{border-radius:4px;background:#80f7c48c;color:#16231f;padding:0 3px}.prose del{color:#26241f8c}.prose code:not(pre code){border:1px solid rgba(61,184,211,.22);border-radius:4px;background:var(--phycat-code);color:#007d86;font-family:Techglot Cascadia,Consolas,monospace;font-size:.9em;padding:.12em .36em}.prose pre{overflow-x:auto;border:1px solid rgba(61,184,211,.2);border-radius:8px;background:linear-gradient(180deg,#ffffffeb,#f8fffbeb),#f8fffb;color:#1c2c2d;font-family:Techglot Cascadia,Consolas,monospace;font-size:14px;line-height:1.7;padding:18px;box-shadow:0 16px 42px #1f1c180f}.prose pre code{background:transparent;color:inherit;font-family:inherit;font-size:inherit;padding:0}.prose-table-scroll{display:block;inline-size:100%;width:100%;max-inline-size:100%;max-width:100%;min-width:0;box-sizing:border-box;contain:inline-size;margin:24px 0;overflow-x:auto;overflow-y:hidden;border:1px solid rgba(61,184,211,.22);border-radius:8px;background:#ffffff6b;box-shadow:0 16px 42px #1f1c180f;-webkit-overflow-scrolling:touch}.prose-table-scroll::-webkit-scrollbar{height:10px}.prose-table-scroll::-webkit-scrollbar-thumb{border-radius:999px;background:#1f1c1838}.prose table{inline-size:max-content;width:max-content;max-width:none;min-inline-size:100%;min-width:100%;margin:0;border-collapse:collapse;font-size:14px;table-layout:fixed}.prose th,.prose td{width:clamp(140px,18vw,240px);max-width:240px;border:1px solid rgba(61,184,211,.22);padding:9px 12px;overflow-wrap:anywhere;vertical-align:top;white-space:normal}.prose th{background:#3db8d324;color:#16231f;font-weight:700}.prose td{background:#ffffff80;color:#33302a}.prose .katex-display{max-width:100%;margin:18px 0;overflow-x:auto;overflow-y:hidden;padding:8px 0 10px;text-align:left;-webkit-overflow-scrolling:touch}.prose .katex-display>.katex{display:inline-block;min-width:max-content;max-width:none;text-align:left}.prose :not(.katex-display)>.katex{max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:-.08em}.prose .katex{font-size:1.04em}.prose img{max-width:100%;border-radius:8px;box-shadow:0 18px 52px #1f1c181f}.latex-pdf-preview{display:block;box-sizing:border-box;width:100%;max-width:100%;margin:30px 0;overflow:hidden;border:1px solid rgba(61,184,211,.2);border-radius:8px;background:#fffcf494;box-shadow:0 16px 42px #1f1c180f}.latex-pdf-preview iframe{display:block;width:100%;height:min(76vh,760px);border:0;background:#fff}.latex-pdf-pages{padding:clamp(10px,2vw,18px)}.latex-pdf-pages img{display:block;width:100%;height:auto;margin:0 auto 14px;border-radius:4px;background:#fff;box-shadow:0 10px 28px #1f1c1814}.latex-pdf-pages img:last-of-type{margin-bottom:0}.prose figure figcaption,.latex-pdf-preview figcaption{margin:0;border-top:1px solid rgba(31,28,24,.08);color:#1f1c188f;font-family:Techglot HarmonyOS,Microsoft YaHei,sans-serif;font-size:12px;line-height:1.5;padding:9px 12px 10px}@media(max-width:760px){.latex-pdf-preview iframe{height:min(70vh,520px)}}.prose hr{height:1px;margin:34px 0;border:0;background:linear-gradient(90deg,transparent,rgba(61,184,211,.5),transparent)}@media(max-width:860px){.note-search{grid-template-columns:1fr 1fr}.note-search-count{grid-column:1 / -1;min-width:0;padding-bottom:0;text-align:left}.article-frame{display:block;max-width:780px;padding:0 clamp(18px,5vw,30px)}.note-toc{inset:auto 16px 16px auto;z-index:140;width:54px;max-height:54px;overflow:visible;border-left:0;padding-left:0;animation:none;transition:width .26s var(--ease),max-height .26s var(--ease),filter .26s var(--ease)}.note-toc.is-mobile-open{width:min(380px,calc(100vw - 32px));max-height:min(72vh,560px);filter:drop-shadow(0 24px 50px rgba(31,28,24,.18))}.note-toc-mobile-toggle{position:absolute;right:0;bottom:0;z-index:2;display:grid;width:54px;height:54px;place-items:center;border:1px solid rgba(31,28,24,.12);border-radius:999px;background:#f7f3eac2;color:#1f1c18c7;cursor:pointer;font-family:Techglot HarmonyOS,Microsoft YaHei,sans-serif;font-size:12px;letter-spacing:.08em;box-shadow:0 14px 34px #1f1c181f;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease)}.note-toc-mobile-toggle:hover,.note-toc-mobile-toggle:focus-visible,.note-toc-mobile-toggle[aria-expanded=true]{background:#fffcf4eb;color:#1f1c18;transform:translateY(-2px)}.note-toc-panel{position:absolute;right:0;bottom:66px;width:min(380px,calc(100vw - 32px));max-height:min(64vh,490px);min-height:0;overflow:hidden auto;border:1px solid rgba(31,28,24,.12);border-radius:8px;background:#f7f3eae0;padding:14px;opacity:0;pointer-events:none;transform:translateY(12px) scale(.98);transform-origin:right bottom;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transition:opacity .22s var(--ease),transform .22s var(--ease)}.note-toc.is-mobile-open .note-toc-panel{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.note-toc-link{padding-top:9px;padding-bottom:9px}.channel-layout{grid-template-columns:1fr}.channel-main{display:contents}.channel-hero{order:1}.category-directory,.others-directory{order:2}.recent-notes,.category-notes{order:3}.category-directory{position:relative;top:auto;display:flex;grid-row:2;justify-content:flex-start;gap:8px;width:100%;min-height:auto;overflow-x:auto;overflow-y:hidden;padding:4px 2px 12px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.category-directory::-webkit-scrollbar{display:none}.category-directory a,.category-directory a.category-child,.language-directory a{flex:0 0 auto;width:auto;min-height:48px;align-items:center;justify-content:flex-start;gap:9px;border:1px solid rgba(31,28,24,.11);border-radius:999px;background:#fffcf494;padding:6px 14px 6px 7px;transform:none;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.category-directory a:before{display:none}.category-directory a:hover,.category-directory a.category-child:hover{width:auto;filter:none;transform:translateY(-2px)}.category-orb,.language-directory .category-orb,.category-directory a.category-child .category-orb{width:34px;height:34px}.category-directory a>span:not(.category-orb),.language-directory a>span:not(.category-orb),.category-directory a.category-child>span:not(.category-orb){position:static;max-width:none;overflow:visible;color:#1f1c18d6;font-size:13px;line-height:1;text-align:left;text-overflow:clip;transform:none;white-space:nowrap}.category-directory a:hover>span:not(.category-orb){color:#1f1c18;transform:none}.others-directory{position:relative;top:auto;display:flex;grid-row:2;justify-items:start;gap:6px;width:100%;min-height:auto;overflow-x:auto;overflow-y:hidden;padding:4px 2px 12px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.others-directory::-webkit-scrollbar{display:none}.others-category-pill{width:auto;min-height:48px;border-color:#1f1c181c;background:#fffcf494;padding:0 13px;font-size:13px;white-space:nowrap}.others-directory-item{display:grid;align-items:start;flex:0 0 auto;gap:6px;min-width:min(128px,40vw)}.others-directory-item:hover .others-category-pill,.others-directory-item:focus-within .others-category-pill{width:auto;transform:translateY(-2px)}.others-child-panel{position:static;display:grid;min-width:0;gap:6px;order:2;opacity:1;pointer-events:auto;transform:none}.others-directory-item .others-category-pill{order:1}.others-child-panel a{min-height:38px;justify-content:flex-start;border-color:#1f1c181a;background:#fffcf46b;color:#1f1c18a8;padding:0 10px;font-size:12px;white-space:nowrap}.others-directory-item:hover .others-child-panel,.others-directory-item:focus-within .others-child-panel{opacity:1;pointer-events:auto;transform:none}.others-page .channel-layout{grid-template-columns:1fr}.others-page .note-search{max-width:none}.other-landmark{display:none}.other-landmark-page .channel-hero,.other-landmark-page .category-notes,.other-landmark-page .note-list{max-width:none}.note-link{grid-template-columns:1fr;gap:8px}}@media(max-width:620px){.note-search{grid-template-columns:1fr}.note-link{min-width:0}.note-link .note-meta{flex-wrap:wrap;justify-content:flex-start;gap:7px 8px;white-space:normal}.note-link .note-author{flex:1 1 100%;max-width:100%;white-space:normal;overflow-wrap:anywhere;word-break:normal}.note-link .note-meta em{flex:1 1 auto;max-width:100%;white-space:nowrap}.note-link .note-book-status{flex:0 0 auto;white-space:nowrap}.notes-header{min-height:58px;gap:12px;padding-inline:14px}.notes-nav{flex:1;min-width:0;gap:6px;overflow-x:auto;overflow-y:visible;padding:8px 2px;font-size:12px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.notes-nav::-webkit-scrollbar{display:none}.notes-nav .nav-group,.notes-nav .nav-top-link,.notes-nav a{flex:0 0 auto;white-space:nowrap}.notes-brand{flex:0 0 auto;font-size:21px}.notes-brand .brand-logo{max-width:112px;height:42px}.notes-nav .nav-top-link{min-height:30px;padding:0 9px}.nav-scroll-title{top:58px!important;left:0;right:0;z-index:119;width:auto;max-width:none;background:#f7f3eab8;border-bottom:1px solid rgba(31,28,24,.08);font-size:18px!important;line-height:1.2;padding:7px 18px 8px;text-align:center;transform:none;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);will-change:opacity}.channel-hero{padding-top:54px}.article-frame{padding-top:30px}}@keyframes quiet-rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes quiet-fade{0%{opacity:0}to{opacity:1}}@keyframes directory-enter{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:translate(8px)}}@keyframes browse-scan{0%{transform:translate(-8%)}to{transform:translate(8%)}}@keyframes note-section-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes article-enter{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes article-header-enter{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes prose-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.browse-page .channel-hero,.browse-page .recent-notes,.browse-page .note-list,.category-directory,.category-directory a,.article,.article-header,.note-toc,.prose>*,.browse-shell:before{animation:none}.category-directory a,.note-link,.prose pre{transition:none}.nav-scroll-title{display:none}.article-title-source{opacity:1!important}}
