@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(../media/12d4e8c1f08b4a66-s.0e__wj8580tc5.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(../media/cabb10e1d7cbc7c1-s.10u7vx61f1ie7.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(../media/9f5a2b9f13a4ecbb-s.p.35a5cae5tspm2.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(../media/d8aeca813a9ab546-s.p.18rizl4rsrl42.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Plus Jakarta Sans Fallback;src:local(Arial);ascent-override:98.88%;descent-override:21.15%;line-gap-override:0.0%;size-adjust:104.98%}.RFvGqq_className{font-family:Plus Jakarta Sans,Plus Jakarta Sans Fallback;font-style:normal}.RFvGqq_variable{--font-jakarta:"Plus Jakarta Sans", "Plus Jakarta Sans Fallback"}
@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.1"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
pre code.hljs{padding:1em;display:block;overflow-x:auto}code.hljs{padding:3px 5px}.hljs{color:#24292e;background:#fff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#005cc5}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-comment,.hljs-code,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}
:root{--navy:#1b2b45;--gold:#e0b878;--cream:#f7f6ef;--paper:#fbf9f5;--surface:#fffefc;--page-sheet:#fffdf9;--paper-raised:var(--page-sheet);--hover:#f2ece1;--pill:#efe9dc;--cover-bg:#f2e8d9;--ink:#1b2b45;--muted:#57534c;--faint:#746e64;--fainter:#938d83;--accent:#7d5a1e;--accent-ink:#825d1d;--accent-soft:#e0b8782e;--rule:#e7e1d6;--rule-soft:#26242113;--line-strong:#d8d0c1;--code-bg:#f5efe3;--serif:"Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", Georgia, var(--sans), serif;--sans:var(--font-jakarta), "MiSans", "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;--mono:ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, monospace;--body-size:17px;--body-leading:1.9;--shell:1080px;--reading:1320px;--header-h:62px;--ease:cubic-bezier(.19, 1, .22, 1);--dur-fast:.18s;--dur-base:.25s;--dur-enter:.65s;--lift-1:0 1px 2px #1c24380a, 0 8px 20px #1c24380a;--book-shadow:3px 0 0 #ebe3d3, 4px 0 0 #2624211f, 0 10px 22px #26242112;--book-shadow-hover:4px 0 0 #ebe3d3, 5px 0 0 #26242124, 0 16px 30px #26242117;--spine:inset 7px 0 0 #f0eadd, inset 8px 0 0 #e3daca}html[data-font-size=sm]{--body-size:16px}html[data-font-size=md]{--body-size:17px}html[data-font-size=lg]{--body-size:19px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{padding-top:var(--header-h);background:var(--paper);color:var(--ink);font-family:var(--sans);letter-spacing:.015em;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.6;overflow-x:clip}::selection{color:var(--ink);background:#e0b87859}.atmosphere{z-index:-1;pointer-events:none;position:fixed;inset:0;overflow:hidden}.atmosphere__grid{background-image:linear-gradient(#9884690e 1px,#0000 0),linear-gradient(90deg,#9884690d 1px,#0000 0);background-size:44px 44px,44px 44px;position:absolute;inset:0}.atmosphere__glow{background:radial-gradient(550px 410px at 5% 19%,#e2b56f29,#0000 78%),radial-gradient(510px 430px at 97% 38%,#e6c28e2e,#0000 79%),radial-gradient(80% 50% at 50% -10%,#e0b8781a,#0000 70%);position:absolute;inset:0}.atmosphere__noise{opacity:.18;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.14' filter='url(%23n)'/%3E%3C/svg%3E");position:absolute;inset:0}.atmosphere__blob{opacity:.18;filter:blur(8px);will-change:transform;background:radial-gradient(circle,#e0b878e6,#e0b87873 45%,#0000 74%);border-radius:50%;position:absolute}.atmosphere__blob--a{width:46vmax;height:46vmax;animation:72s ease-in-out infinite alternate field-one;top:-18vmax;left:-14vmax}.atmosphere__blob--b{width:36vmax;height:36vmax;animation:88s ease-in-out infinite alternate field-two;top:22vh;right:-16vmax}@keyframes field-one{to{transform:translate(10vmax,8vmax)}}@keyframes field-two{to{transform:translate(-8vmax,10vmax)}}a{color:inherit;text-decoration:none}img{max-width:100%}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px;border-radius:4px}.skip-link{z-index:100;background:var(--ink);color:var(--paper);padding:8px 14px;font-size:.85rem;transition:top .15s;position:absolute;top:-48px;left:12px}.skip-link:focus{top:12px}.site-header{z-index:40;height:var(--header-h);background:color-mix(in srgb, var(--paper) 94%, transparent);-webkit-backdrop-filter:blur(10px)saturate(1.02);backdrop-filter:blur(10px)saturate(1.02);border-bottom:1px solid var(--rule-soft);align-items:center;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 1px 2px #1c243806}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.site-header{background:var(--paper)}}.site-header__inner{width:100%;max-width:var(--shell);justify-content:space-between;align-items:center;gap:24px;margin:0 auto;padding:0 24px;display:flex}.brand{font-family:var(--serif);letter-spacing:.02em;flex:none;align-items:center;gap:10px;font-size:1.22rem;font-weight:700;display:inline-flex}.brand__mark{width:30px;height:30px;display:block}.site-nav{color:var(--muted);flex:none;align-items:center;gap:4px;font-size:.82rem;display:flex}.site-nav a{transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;display:inline-flex}.site-nav__icon{flex:none}.site-nav a:hover{color:var(--ink);background:var(--hover)}.donate{align-items:center;display:inline-flex;position:relative}.donate__trigger{width:28px;height:28px;color:var(--muted);cursor:pointer;transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:0;display:inline-flex}.donate__trigger:hover,.donate__trigger:focus-visible{color:var(--ink);background:var(--hover)}.donate__tip{z-index:45;background:var(--ink);color:var(--cream);letter-spacing:.03em;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);border-radius:8px;padding:5px 10px;font-size:.68rem;line-height:1.4;position:absolute;top:calc(100% + 9px);right:0;transform:translateY(-3px)}.donate:hover .donate__tip,.donate__trigger:focus-visible+.donate__tip{opacity:1;transform:translateY(0)}.donate-modal{z-index:120;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:donate-fade var(--dur-base) var(--ease);background:#1b2b454d;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.donate-modal__panel{border:1px solid var(--rule);background:var(--page-sheet);text-align:center;width:min(400px,100%);max-height:calc(100dvh - 48px);animation:donate-rise .32s var(--ease);border-radius:20px;padding:34px 30px 30px;position:relative;overflow-y:auto;box-shadow:0 30px 60px #1b2b4529,0 2px 6px #1b2b450f}.donate-modal__close{width:30px;height:30px;color:var(--faint);cursor:pointer;transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:0;display:inline-flex;position:absolute;top:12px;right:12px}.donate-modal__close:hover,.donate-modal__close:focus-visible{color:var(--ink);background:var(--hover)}.donate-modal__eyebrow{color:var(--accent);letter-spacing:.16em;margin:0 0 10px;font-size:.66rem;font-weight:600}.donate-modal__title{font-family:var(--serif);letter-spacing:.01em;margin:0 0 12px;font-size:1.45rem;font-weight:700}.donate-modal__copy{color:var(--muted);margin:0;font-size:.9rem;line-height:1.85}.donate-modal__pay{background:var(--ink);color:var(--paper);font:inherit;letter-spacing:.02em;cursor:pointer;transition:background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);border:0;border-radius:999px;justify-content:center;align-items:center;margin-top:22px;padding:10px 26px;font-size:.86rem;font-weight:600;display:inline-flex}.donate-modal__pay:hover{background:#24375a;transform:translateY(-1px)}.donate-modal__qr{border:1px solid var(--rule);width:min(240px,100%);box-shadow:var(--lift-1);background:#fff;border-radius:14px;margin:18px auto 0;padding:10px}.donate-modal__qr[hidden]{display:none}.donate-modal__qr img{border-radius:8px;width:100%;height:auto;display:block}.donate-modal__qr-note{color:var(--faint);letter-spacing:.02em;margin:8px 0 0;font-size:.72rem}@media (max-width:767px){.site-nav{gap:2px}.site-nav a{padding:6px 8px}.donate__trigger{width:24px;height:24px}}@media (max-width:480px){.donate-modal__panel{padding:28px 22px 24px}.donate-modal__qr{width:min(190px,100%)}}@keyframes donate-fade{0%{opacity:0}}@keyframes donate-rise{0%{opacity:0;transform:translateY(10px)scale(.98)}}@media (prefers-reduced-motion:reduce){.donate-modal,.donate-modal__panel{animation:none}}.site-footer{border-top:1px solid var(--rule-soft);color:var(--muted);margin-top:56px;padding:32px 0 48px;font-size:.82rem}.site-footer__inner{max-width:var(--shell);flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin:0 auto;padding:0 24px;display:flex}.site-footer p{margin:0}.site-footer__note{color:var(--fainter)}.shell{max-width:var(--shell);margin:0 auto;padding:0 24px}.shell--reading{width:94%;max-width:var(--reading)}.site-main{min-height:55vh}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent);align-items:center;gap:8px;margin:0 0 12px;font-size:.72rem;font-weight:600;display:flex}.eyebrow:before{content:"";background:var(--gold);border-radius:2px;width:18px;height:2px}.text-link{color:var(--accent);border-bottom:1px solid color-mix(in srgb, var(--accent) 38%, transparent);padding-bottom:1px}.text-link:hover{color:var(--accent-ink);border-bottom-color:var(--accent-ink)}.hero{isolation:isolate;padding:96px 0 64px;position:relative}.hero__body{z-index:1;max-width:58em;position:relative}.hero__scene{top:28px;right:min(-24px, calc((var(--shell) - 100vw) / 2));aspect-ratio:690/394;opacity:.92;pointer-events:none;-webkit-mask-composite:source-in;background:url(/images/hero-scene.webp) 50%/cover no-repeat;border-radius:20px;width:clamp(280px,32vw,420px);position:absolute;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 26%),linear-gradient(#000 82%,#0000 100%);mask-image:linear-gradient(90deg,#0000 0%,#000 26%),linear-gradient(#000 82%,#0000 100%);-webkit-mask-composite:source-in;mask-composite:intersect}.hero__title{font-family:var(--serif);letter-spacing:-.045em;text-wrap:balance;margin:22px 0 20px;font-size:clamp(3.2rem,7vw,6.4rem);font-weight:700;line-height:1.05}.hero__tagline{color:var(--muted);font-family:var(--serif);letter-spacing:-.01em;text-wrap:pretty;margin:0;font-size:clamp(1.1rem,1.75vw,1.6rem);line-height:1.6}.hero__tagline-zh{margin-left:.3em}.hero__rule{background:linear-gradient(90deg,#e2d6c6 0%,#e9dfd1 68%,#0000);height:1px;margin-top:46px}.library-nav{scrollbar-width:thin;justify-content:center;gap:32px;padding:8px 0 0;display:flex;overflow-x:auto}.library-nav a{color:var(--muted);transition:color var(--dur-base) var(--ease), text-shadow var(--dur-base) var(--ease);flex:none;padding:16px 2px 14px;font-size:.95rem;font-weight:600;position:relative}.library-nav a:hover,.library-nav a[aria-current=page]{color:var(--ink)}.library-nav a:after{content:"";background:var(--gold);opacity:0;height:3px;transition:opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);border-radius:2px;position:absolute;bottom:4px;left:2px;right:2px;transform:scaleX(.65)}.library-nav a:hover,.library-nav a:focus-visible{color:var(--ink);text-shadow:0 2px 12px #7d5a1e29}.library-nav a:hover:after,.library-nav a:focus-visible:after{opacity:.35;transform:scaleX(1);box-shadow:0 2px 8px #7d5a1e29}.library-nav a[aria-current=page]:after{opacity:1;transform:scaleX(1)}.library-preview+.library-preview{margin-top:72px}.library-preview__head{align-items:flex-end}.library-preview__desc{color:var(--muted);margin:10px 0 0;font-size:.9rem;line-height:1.8}.library-preview__actions{flex:none;align-items:center;gap:20px;display:flex}.view-all{white-space:nowrap;color:var(--muted);font-size:.88rem}.view-all span{transition:transform var(--dur-base) var(--ease);margin-left:4px;display:inline-block}.view-all:hover{color:var(--accent)}.view-all:hover span{transform:translate(3px)}.category-page{padding-bottom:96px}.category-page>.library-nav{margin-bottom:42px}.category-page__head{align-items:flex-end;margin-bottom:40px}.category-page__title{font-size:clamp(1.8rem,3vw,2.25rem);font-family:var(--serif);margin:0;line-height:1.4}.library-group__number{color:var(--accent);letter-spacing:.08em;font-size:.82rem}.continue{background:var(--page-sheet);border:1px solid var(--line-strong);box-shadow:inset 4px 0 0 var(--gold), 2px 3px 0 #ebe3d3, 0 8px 20px #2624210a;transition:transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);border-radius:4px 12px 12px 4px;margin:44px 0 0;padding:20px 24px 20px 30px;position:relative}.continue__link:after{content:"";border-radius:4px 12px 12px 4px;position:absolute;inset:0}.continue:focus-within{border-color:var(--gold);box-shadow:inset 4px 0 0 var(--gold), 2px 3px 0 #ebe3d3, 0 16px 30px #26242117;transform:translateY(-4px)}.continue__kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;font-size:.7rem;font-weight:600}.continue__link{flex-wrap:wrap;align-items:baseline;gap:6px 14px;display:flex}.continue__book{color:var(--muted);font-size:.82rem}.continue__title{font-family:var(--serif);font-size:1.1rem;font-weight:700}.continue__arrow{color:var(--accent);transition:transform var(--dur-base) var(--ease);margin-left:auto}.continue__link:hover .continue__arrow{transform:translate(3px)}.library{padding:56px 0 96px}.section-head{border-bottom:1px solid var(--rule-soft);justify-content:space-between;align-items:center;gap:16px;margin-bottom:30px;padding-bottom:14px;display:flex}.section-heading{font-family:var(--serif);letter-spacing:.02em;margin:0;font-size:1.4rem;font-weight:700}.section-count{color:var(--muted);background:var(--pill);border-radius:999px;padding:4px 11px;font-size:.72rem;font-weight:600}.library__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:38px 32px;display:grid}.library-group+.library-group{margin-top:52px}.library-group__head{border-bottom:1px dashed var(--rule-soft);align-items:baseline;gap:12px;margin-bottom:8px;padding-bottom:10px;display:flex}.library-group__title{font-family:var(--serif);letter-spacing:.02em;margin:0;font-size:1.12rem;font-weight:600}.library-group__count{font-family:var(--sans);letter-spacing:.08em;color:var(--faint);font-size:.72rem}.library-group__desc{color:var(--muted);margin:10px 0 24px;font-size:.92rem}.book-cover{--cover-pad-x:16px;--cover-pad-b:16px;aspect-ratio:3/4;padding:18px var(--cover-pad-x) var(--cover-pad-b);background:var(--cover-bg);box-shadow:var(--book-shadow);transition:transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);border:1px solid #26242113;border-radius:4px 12px 12px 4px;flex-direction:column;justify-content:flex-end;display:flex;position:relative;overflow:hidden}.book-cover__art{width:100%;height:100%;position:absolute;inset:0}.book-cover__img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.book-cover__type{margin:0 calc(var(--cover-pad-x) * -1) calc(var(--cover-pad-b) * -1);padding:12px var(--cover-pad-x) var(--cover-pad-b);background:var(--cover-bg);border-top:1px solid #2624210f;flex-direction:column;display:flex;position:relative}.book-cover__kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--cover-accent,var(--accent));margin-bottom:6px;font-size:.6rem;font-weight:700;display:block}.book-cover__title{font-family:var(--serif);letter-spacing:0;color:var(--cover-ink,var(--ink));overflow-wrap:anywhere;font-size:1.02rem;font-weight:700;line-height:1.45;display:block}.book-cover__imprint{font-family:var(--serif);letter-spacing:.08em;color:var(--cover-ink,var(--ink));opacity:.45;align-self:flex-end;margin-top:4px;font-size:.56rem}.book-cover--sm{--cover-pad-x:11px;--cover-pad-b:11px;width:120px;padding-top:12px}.book-cover--sm .book-cover__title{-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:.72rem;line-height:1.32;display:-webkit-box;overflow:hidden}.book-cover--sm .book-cover__kicker,.book-cover--sm .book-cover__imprint{display:none}[data-book=cmu-ai-agents]{--cover-ink:#1b2b45;--cover-accent:#a88438;--cover-bg:#f2e8d9}[data-book=mit-linear-algebra]{--cover-ink:#f7f6ef;--cover-accent:#e0b878;--cover-bg:#1b2b45}[data-book=vibe-coding]{--cover-ink:#1b2b45;--cover-accent:#a88438;--cover-bg:#e9e3d5}.book-card{background:0 0;border:0;flex-direction:column;gap:12px;padding:0;display:flex}.book-card__cover{display:block}.book-card__body{flex-direction:column;flex:auto;gap:10px;display:flex}.book-card__top{flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.book-card__badge{border:1px solid var(--rule);background:var(--pill);font-family:var(--sans);letter-spacing:.06em;color:var(--accent);border-radius:999px;align-items:center;padding:2px 9px;font-size:.66rem;font-weight:600;display:inline-flex}.book-card__author{color:var(--muted);font-size:.76rem}.book-card__desc{color:var(--muted);text-wrap:pretty;margin:0;font-size:.86rem;line-height:1.75}.book-card__meta{color:var(--faint);margin:0;font-size:.74rem}.book-card__links{flex-wrap:wrap;gap:6px 16px;margin:0;padding:0;list-style:none;display:flex}.book-card__links a{letter-spacing:.02em;color:var(--ink);border-bottom:1px solid var(--rule);transition:color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);font-size:.75rem;text-decoration:none}.book-card__links a:hover{color:var(--accent);border-bottom-color:var(--accent)}.book-card__links-more{color:var(--faint);font-size:.75rem}@media (hover:hover){.continue:hover{border-color:var(--gold);box-shadow:inset 4px 0 0 var(--gold), 2px 3px 0 #ebe3d3, 0 16px 30px #26242117;transform:translateY(-4px)}.continue:hover .continue__arrow{transform:translate(3px)}.book-card:hover .book-cover{box-shadow:var(--book-shadow-hover);transform:translateY(-4px)}}.breadcrumb{border-left:1px solid var(--rule);min-width:0;color:var(--muted);white-space:nowrap;flex:auto;align-items:center;gap:8px;margin-left:18px;padding-left:18px;font-size:.78rem;display:flex;overflow:hidden}.breadcrumb a{isolation:isolate;transition:color var(--dur-base) var(--ease);position:relative}.breadcrumb a:before{content:"";z-index:-1;opacity:0;pointer-events:none;transition:opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);background:radial-gradient(circle at 32% 58%,#e0b87899,#e0b87833 45%,#0000 72%) 0 0/170% 170%;border-radius:999px;animation:7s ease-in-out infinite alternate spot-drift;position:absolute;inset:-5px -10px;transform:scale(.85)}.breadcrumb a:hover:before,.breadcrumb a:focus-visible:before{opacity:1;transform:scale(1)}@keyframes spot-drift{0%{background-position:12% 68%}to{background-position:88% 32%}}.breadcrumb a:hover{color:var(--ink)}.breadcrumb__sep{color:color-mix(in srgb, var(--muted) 45%, transparent)}.breadcrumb__current{text-overflow:ellipsis;color:var(--faint);overflow:hidden}.book-header{border-bottom:1px solid var(--rule-soft);grid-template-columns:120px 1fr;align-items:start;gap:32px;padding:40px 0 44px;display:grid}.book-header__body{min-width:0}.book-title{font-family:var(--serif);letter-spacing:.01em;margin:0 0 16px;font-size:clamp(1.85rem,3.8vw,2.5rem);font-weight:700;line-height:1.32}.book-lede{color:var(--muted);margin:0 0 16px;line-height:1.85}.book-meta{color:var(--faint);margin:0;font-size:.78rem}.book-byline{color:var(--ink);margin:0 0 12px;font-size:.84rem}.book-links{flex-wrap:wrap;gap:6px 18px;margin:0 0 14px;padding:0;list-style:none;display:flex}.book-links a{color:var(--accent);border-bottom:1px solid var(--rule);font-size:.8rem;text-decoration:none}.book-links a:hover{border-bottom-color:var(--accent)}.book-links a .book-links__num{font-family:var(--serif);color:var(--faint);letter-spacing:.02em;font-variant-numeric:tabular-nums;font-size:.72rem;font-weight:700}.book-links__more{color:var(--faint);font-size:.8rem}.book-chapters{padding:44px 0 96px}.book-chapters .section-heading{margin-bottom:18px}.chapter-list{border-top:1px solid var(--rule-soft);margin:0;padding:0;list-style:none}.chapter-list__item{border-bottom:1px solid var(--rule-soft)}.chapter-row{transition:background var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);border-radius:10px;grid-template-columns:44px 1fr auto;align-items:baseline;gap:20px;padding:20px 14px;display:grid}.chapter-row:hover{background:var(--hover);box-shadow:inset 3px 0 0 var(--gold)}.chapter-row__num{font-family:var(--serif);color:var(--accent);letter-spacing:.02em;font-variant-numeric:tabular-nums;font-size:.92rem;font-weight:700}.chapter-row__body{flex-direction:column;gap:6px;min-width:0;display:flex}.chapter-row__title{font-family:var(--serif);font-size:1.08rem;font-weight:700}.chapter-row__summary{color:var(--muted);font-size:.86rem;line-height:1.75}.chapter-row__meta{color:var(--faint);white-space:nowrap;font-size:.74rem}.badge{font-family:var(--sans);letter-spacing:.04em;color:var(--muted);vertical-align:middle;background:#eee5d585;border:1px dashed #26242129;border-radius:999px;align-items:center;margin-left:10px;padding:3px 9px;font-size:.66rem;font-weight:600;display:inline-flex}.chapter-tags{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.tag{border:1px solid var(--rule);background:var(--pill);font-family:var(--sans);letter-spacing:.04em;color:var(--muted);border-radius:999px;align-items:center;padding:3px 10px;font-size:.7rem;display:inline-flex}.tag--type{border-color:color-mix(in srgb, var(--accent) 34%, transparent);background:var(--accent-soft);color:var(--accent)}.chapter-header{border-bottom:1px solid var(--rule-soft);margin-bottom:32px;padding:0 0 26px}.chapter-title{font-family:var(--serif);letter-spacing:.01em;margin:0 0 16px;font-size:clamp(1.75rem,3.6vw,2.3rem);font-weight:700;line-height:1.32}.chapter-lede{color:var(--muted);margin:0;font-size:1rem;line-height:1.85}.chapter-meta{color:var(--faint);flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:.78rem;display:flex}.reading-toolbar{flex-wrap:wrap;align-items:center;gap:12px 28px;margin-top:22px;display:flex}.control-group{align-items:center;gap:10px;display:flex}.control-label{letter-spacing:.12em;color:var(--faint);font-size:.72rem}.segmented{background:var(--pill);border:0;border-radius:999px;gap:2px;padding:3px;display:inline-flex;overflow:hidden}.segmented__btn{color:var(--muted);cursor:pointer;transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);background:0 0;border:0;border-radius:999px;padding:5px 13px;font-size:.78rem;font-weight:600}.segmented__btn+.segmented__btn{border-left:0}.segmented__btn:hover{color:var(--ink)}html[data-lang=zh] .segmented__btn[data-lang=zh],html[data-lang=en] .segmented__btn[data-lang=en],html[data-font-size=sm] .segmented__btn[data-size=sm],html[data-font-size=md] .segmented__btn[data-size=md],html[data-font-size=lg] .segmented__btn[data-size=lg]{background:var(--ink);color:var(--paper)}[data-lang-block]{display:none}html[data-lang=zh] [data-lang-block=zh],html[data-lang=en] [data-lang-block=en]{display:block}.reading-grid{--reading-toc-width:clamp(200px, 15vw, 240px);--reading-gap:clamp(28px, 2.5vw, 40px);grid-template-columns:minmax(0, 55em) var(--reading-toc-width);gap:var(--reading-gap);max-width:calc(55em + var(--reading-toc-width) + var(--reading-gap));align-items:start;margin-inline:auto;padding:32px 0 96px;display:grid}.reading-grid--single{grid-template-columns:minmax(0,1fr);max-width:55em;margin-inline:auto}.reading-main{background:var(--page-sheet);border:1px solid var(--line-strong);min-width:0;box-shadow:var(--lift-1);border-radius:16px;padding:44px 48px 52px;position:relative}html[data-toc=closed] .toc-rail{display:none}html[data-toc=closed] .reading-grid:not(.reading-grid--single)>.reading-main{left:calc((var(--reading-toc-width) + var(--reading-gap)) / 2)}.toc-toggle{display:none}@media (min-width:1200px){.toc-toggle{display:flex}}html[data-toc=open] .toc-toggle .segmented__btn[data-toc=open],html[data-toc=closed] .toc-toggle .segmented__btn[data-toc=closed]{background:var(--ink);color:var(--paper)}.toc-rail{max-height:calc(100vh - 120px);padding-top:4px;position:sticky;top:96px;overflow-y:auto}.toc__title{letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:0 0 12px;font-size:.68rem;font-weight:600}.toc__list{border-left:1px solid var(--rule);margin:0;padding:0;list-style:none}.toc__item{margin:0}.toc__item--h3{padding-left:14px}.toc__link{color:var(--muted);transition:color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);border-left:2px solid #0000;border-radius:0 8px 8px 0;margin-left:-1px;padding:6px 10px 6px 13px;font-size:.79rem;line-height:1.55;display:block}.toc__link:hover{color:var(--ink);background:var(--hover)}.toc__link.is-active{color:var(--accent);border-left-color:var(--accent);background:linear-gradient(90deg, var(--accent-soft), transparent 85%);font-weight:600}.toc__link .katex,.toc-inline__list .katex{font-size:.95em}.toc-inline{border:1px solid var(--rule);background:var(--paper);border-radius:12px;max-width:none;margin:0 0 32px;padding:0 18px;display:none}.toc-inline summary{cursor:pointer;letter-spacing:.12em;color:var(--muted);padding:12px 0;font-size:.8rem}.toc-inline__list{color:var(--muted);margin:0;padding:0 0 14px;font-size:.85rem;line-height:1.9;list-style:none}.toc-inline__list .toc__item--h3{padding-left:16px}.prose{font-size:var(--body-size);line-height:var(--body-leading);letter-spacing:.015em;color:var(--ink);overflow-wrap:break-word}.prose>:first-child,.prose>h2:first-child{margin-top:0}.prose h2{font-family:var(--serif);border-bottom:1px solid #ece3d4;margin:2.7em 0 .8em;padding:0 0 .42em;scroll-margin-top:96px;font-size:1.36em;font-weight:700;line-height:1.4}.prose h3{font-family:var(--serif);margin:2.1em 0 .6em;scroll-margin-top:96px;font-size:1.14em;font-weight:700;line-height:1.45}.prose p{margin:0 0 1.15em}.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}.prose li{margin:.3em 0}.prose li>p{margin:.2em 0}.prose blockquote{border-left:3px solid var(--gold);background:var(--accent-soft);color:var(--muted);border-radius:0 10px 10px 0;margin:1.6em 0;padding:14px 20px}.prose blockquote p:last-child{margin-bottom:0}.prose strong{font-weight:600}.prose hr{border:0;border-top:1px solid var(--rule);margin:2.4em 0}.prose a{color:var(--accent);border-bottom:1px solid color-mix(in srgb, var(--accent) 32%, transparent);text-underline-offset:3px}.prose a:hover{color:var(--accent-ink);border-bottom-color:var(--accent-ink)}.prose code{font-family:var(--mono);background:var(--code-bg);border-radius:5px;padding:.12em .38em;font-size:.88em}.prose pre{background:var(--code-bg);border:1px solid var(--rule);border-radius:10px;margin:1.6em 0;padding:18px 20px;line-height:1.7;overflow-x:auto;box-shadow:0 1px #1c243808}.prose pre code{background:0 0;padding:0;font-size:.86em}.table-wrap{margin:1.6em 0;overflow-x:auto}.prose table{border-collapse:collapse;width:100%;font-size:.92em;line-height:1.7}.prose th,.prose td{text-align:left;border-bottom:1px solid var(--rule);vertical-align:top;padding:9px 14px}.prose th{background:var(--hover);border-bottom-color:var(--line-strong);white-space:nowrap;font-weight:700}.prose .katex-display{margin:1.6em 0;padding:6px 0;overflow:auto hidden}.zoomable{border:1px solid var(--line-strong);background:var(--page-sheet);cursor:zoom-in;width:100%;transition:border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);border-radius:12px;margin:1.8em 0;padding:0;display:block;overflow:hidden;box-shadow:2px 3px #ebe3d3}.zoomable img{width:100%;height:auto;display:block}.zoomable:hover{border-color:color-mix(in srgb, var(--accent) 30%, var(--line-strong));box-shadow:3px 5px #ebe3d3}.lightbox{z-index:90;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);cursor:zoom-out;background:#14100ce6;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:32px;display:flex;position:fixed;inset:0}.lightbox img{object-fit:contain;border-radius:10px;max-width:92vw;max-height:82vh;box-shadow:0 24px 64px #00000059}.lightbox__hint{color:#fbf9f4b3;letter-spacing:.08em;font-size:.78rem}.sources{border-top:1px solid var(--rule-soft);margin:56px 0 0;padding-top:28px}.sources__heading{letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:0 0 16px;font-size:.7rem;font-weight:600}.sources__list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.sources__item{flex-wrap:wrap;align-items:baseline;gap:6px 12px;font-size:.9rem;line-height:1.7;display:flex}.sources__kind{background:var(--pill);color:var(--muted);border:1px solid #0000;border-radius:999px;padding:2px 9px;font-size:.66rem;font-weight:600}.sources__item a{color:var(--accent)}.sources__item a:hover{text-decoration:underline}.sources__meta{color:var(--faint);font-size:.76rem}.pager{border-top:1px solid var(--rule-soft);grid-template-columns:1fr 1fr;gap:20px;margin-top:48px;padding-top:28px;display:grid}.pager__link{border:1px solid var(--line-strong);background:var(--page-sheet);transition:transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);border-radius:4px 12px 12px 4px;flex-direction:column;gap:6px;padding:16px 18px 16px 26px;display:flex;box-shadow:inset 4px 0 #f0eadd,2px 3px #ebe3d3}.pager__link:hover{border-color:color-mix(in srgb, var(--accent) 26%, var(--line-strong));box-shadow:inset 4px 0 0 var(--gold), 3px 5px 0 #ebe3d3, 0 12px 24px #2624210f;transform:translateY(-2px)}.pager__link--next{text-align:right;border-radius:12px 4px 4px 12px;padding:16px 26px 16px 18px;box-shadow:inset -4px 0 #f0eadd,-2px 3px #ebe3d3}.pager__link--next:hover{box-shadow:inset -4px 0 0 var(--gold), -3px 5px 0 #ebe3d3, 0 12px 24px #2624210f}.pager__label{letter-spacing:.12em;color:var(--faint);font-size:.68rem;font-weight:600}.pager__title{font-family:var(--serif);font-size:.98rem;font-weight:700;line-height:1.5}.page-header{border-bottom:1px solid var(--rule-soft);max-width:42em;padding:56px 0 32px}.page-title{font-family:var(--serif);margin:0 0 16px;font-size:clamp(1.9rem,4vw,2.5rem);font-weight:700;line-height:1.3}.page-lede{color:var(--muted);margin:0;line-height:1.9}.prose--page{max-width:42em;padding:8px 0 80px}.prose--page h2{margin-top:2.2em;font-size:1.25em}.about__back{margin-top:48px}.not-found{max-width:42em;padding:96px 24px 120px}.not-found__title{font-family:var(--serif);margin:0 0 16px;font-size:clamp(1.8rem,4vw,2.4rem);font-weight:700}.not-found__text{color:var(--muted);margin:0 0 24px}.reading-progress{z-index:60;pointer-events:none;height:3px;position:fixed;top:0;left:0;right:0}.reading-progress span{background:var(--accent);border-radius:0 2px 2px 0;height:100%;transition:width .1s linear;display:block;box-shadow:0 0 8px #e0b87880}@media (max-width:1199px){.reading-grid{grid-template-columns:minmax(0,1fr);max-width:55em;padding-top:32px}html[data-toc=closed] .reading-grid:not(.reading-grid--single)>.reading-main{left:0}.reading-main{padding:36px 32px 44px}.toc-rail{display:none}.toc-inline{display:block}}@media (max-width:767px){:root{--header-h:58px}.site-header__inner{padding:0 18px}.breadcrumb{display:none}.shell{padding:0 18px}.shell--reading{width:100%}.hero{padding:56px 0 40px}.hero__scene{opacity:.3;border-radius:16px;width:100%;top:0;right:0;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 60%),linear-gradient(#000 80%,#0000 100%);mask-image:linear-gradient(90deg,#0000 0%,#000 60%),linear-gradient(#000 80%,#0000 100%)}.hero__title{letter-spacing:-.035em;font-size:clamp(2.6rem,12.5vw,4.2rem)}.hero__tagline{font-size:1.02rem;line-height:1.7}.hero__tagline-zh{margin-top:4px;margin-left:0;display:block}.hero__rule{margin-top:32px}.library-nav{justify-content:safe center;gap:22px}.library-nav a{font-size:.86rem}.library-preview__head{flex-direction:column;align-items:flex-start;gap:14px}.library-preview__actions{justify-content:space-between;width:100%}.library-preview+.library-preview{margin-top:48px}.category-page>.library-nav{margin-bottom:28px}.category-page__head{align-items:flex-start}.category-page__head .section-count{flex-shrink:0;margin-top:8px}.category-page{padding-bottom:72px}.continue{padding:18px 20px 18px 24px}.library{padding:40px 0 72px}.library__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}.book-cover__title{font-size:.94rem}.book-card__desc{font-size:.8rem;line-height:1.7}.book-card__links{gap:4px 12px}.book-header{grid-template-columns:1fr;gap:20px}.book-header .book-cover--sm{width:96px}.chapter-row{grid-template-columns:34px 1fr;gap:12px;padding:16px 10px}.chapter-row__meta{grid-column:2;justify-self:start}.reading-toolbar{gap:10px 20px}.reading-main{border-radius:12px;padding:28px 20px 36px}.pager{grid-template-columns:1fr}.pager__link--next{text-align:left;border-radius:4px 12px 12px 4px;padding:16px 18px 16px 26px;box-shadow:inset 4px 0 #f0eadd,2px 3px #ebe3d3}.pager__link--next:hover{box-shadow:inset 4px 0 0 var(--gold), 3px 5px 0 #ebe3d3, 0 12px 24px #2624210f}.reading-grid{padding-bottom:64px}.lightbox{padding:16px}}@keyframes rise-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.book-card,.chapter-list__item,.pager__link,.continue{animation:rise-in var(--dur-enter) var(--ease) backwards;animation-delay:calc(min(var(--i,0), 12) * 55ms)}.pager__link--next{--i:1}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important}.atmosphere__blob,.breadcrumb a:before{animation:none!important}.book-card:hover .book-cover,.continue:hover,.continue:focus-within,.continue:hover .continue__arrow,.pager__link:hover,.continue__link:hover .continue__arrow{transform:none}}@media print{body{background:#fff}.atmosphere,.skip-link,.site-header,.site-footer,.toc-rail,.toc-inline,.reading-toolbar,.reading-progress,.pager,.sources{display:none!important}.reading-main{box-shadow:none;border:0;padding:0}.book-cover,.continue,.pager__link,.zoomable{box-shadow:none;background:#fff;border-color:#ccc}.shell{max-width:none;padding:0}}[data-reading-block=translation],html[data-reading-view=translation] [data-reading-block=notes]{display:none}html[data-reading-view=translation] [data-reading-block=translation]{display:block}html:not([data-reading-view=translation]) .segmented__btn[data-view=notes],html[data-reading-view=translation] .segmented__btn[data-view=translation]{background:var(--navy,#1c2d4c);color:#fff}.book-cover{--cover-bg:#e9d7b9;--cover-ink:#29271f;--cover-accent:#81684a;background:#e9d7b9;border:1px solid #d2bea0;border-radius:4px 12px 12px 4px;box-shadow:2px 2px #d7cbb8,5px 6px 0 -2px #eee7d9,0 14px 24px -16px #31271a73}.book-cover:before{content:"";z-index:3;pointer-events:none;background:linear-gradient(90deg,#59412530,#fffaeb52 42%,#573f2114 78%,#0000);border-right:1px solid #5f46281f;width:6%;position:absolute;inset:0 auto 0 0}.book-cover:after{content:"";z-index:3;border-radius:inherit;pointer-events:none;position:absolute;inset:0;box-shadow:inset -2px 0 2px #fffaed8c,inset 0 0 32px #66472614}.book-cover__type{z-index:2;text-align:center;background:0 0;border:0;align-items:center;margin:0;padding:0;display:flex;position:absolute;top:7%;left:12%;right:8%}.book-cover__title{color:#25231e;letter-spacing:.01em;overflow-wrap:anywhere;font-size:clamp(.95rem,1.55vw,1.35rem);line-height:1.26}.book-cover__kicker{color:#76644c;letter-spacing:.06em;order:2;margin:7px 0 0;font-size:.53rem}.book-cover__img,.book-cover__art{z-index:1;object-fit:contain;mix-blend-mode:multiply;width:84%;height:57%;position:absolute;top:29%;left:10%}.book-cover__imprint{z-index:2;text-align:center;color:#504433;opacity:.85;font-size:.54rem;position:absolute;bottom:5%;left:12%;right:7%}.book-cover--sm .book-cover__title{font-size:.69rem;line-height:1.2}.book-cover--sm .book-cover__kicker{margin-top:3px;font-size:.38rem}.book-cover--sm .book-cover__imprint{font-size:.37rem}.book-cover__title{overflow-wrap:normal;word-break:normal}.book-cover__title--long{font-size:clamp(.8rem,1.2vw,1.05rem);line-height:1.25}.book-cover--sm .book-cover__title--long{font-size:.58rem}.book-cover__img{-webkit-mask-image:radial-gradient(70% 70%,#000 48%,#0000 100%);mask-image:radial-gradient(70% 70%,#000 48%,#0000 100%)}
