@import"https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700&display=swap";@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;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}.app-header{display:flex;align-items:center;justify-content:space-between;padding:52px 20px 14px;background:var(--bg);position:sticky;top:0;z-index:50;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}[data-theme=dark] .app-header{background:#0a0a0dd9}@media (max-width: 639px){.app-header{padding-top:16px}}.user-bar{display:flex;align-items:center;gap:10px}.user-avatar{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary-dim, #5856D6),var(--primary));color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:-.3px;box-shadow:0 2px 8px var(--primary-glow, rgba(124,122,255,.3))}.user-info{display:flex;flex-direction:column;line-height:1.25}.user-greeting{font-size:11px;color:var(--text-2);font-weight:400}.user-name{font-size:15px;font-weight:600;color:var(--text);letter-spacing:-.3px}.theme-toggle{width:32px;height:32px;border-radius:50%;border:none;background:#7878801f;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent;transition:transform .15s,opacity .15s}.theme-toggle:active{transform:scale(.88);opacity:.7}.install-banner{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--primary-soft);border-bottom:1px solid var(--primary-border);font-size:14px;gap:12px;color:var(--text)}.bottom-nav{position:absolute;bottom:0;left:0;right:0;height:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));background:#ffffffeb;border-top:1px solid var(--border);display:flex;align-items:flex-start;z-index:100;backdrop-filter:blur(32px) saturate(180%);-webkit-backdrop-filter:blur(32px) saturate(180%);padding-bottom:env(safe-area-inset-bottom,4px)}[data-theme=dark] .bottom-nav{background:#0a0a0de6;border-top:1px solid rgba(255,255,255,.07)}@media (max-width: 639px){.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);max-width:480px;width:100%}}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:none;border:none;cursor:pointer;color:var(--text-3);transition:color .15s;-webkit-tap-highlight-color:transparent;padding-top:4px}.nav-item.active{color:var(--primary)}.nav-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px}.nav-icon svg{stroke:var(--text-3);transition:stroke .15s}.nav-item.active .nav-icon svg{stroke:var(--primary)}.nav-label{font-size:10px;font-weight:500;letter-spacing:-.2px}.nav-fab-slot{flex:1;position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;-webkit-tap-highlight-color:transparent}.nav-fab{position:absolute;bottom:12px;left:50%;transform:translate(-50%);width:56px;height:56px;border-radius:50%;border:none;background:var(--primary);color:#fff;font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-fab, 0 4px 16px rgba(88,86,214,.4), 0 1px 4px rgba(0,0,0,.12));transition:transform .12s,box-shadow .12s,opacity .12s;-webkit-tap-highlight-color:transparent}[data-theme=dark] .nav-fab{animation:glowPulse 3s ease-in-out infinite}.nav-fab:active{transform:translate(-50%) scale(.92);opacity:.9;animation:none}.nav-fab-label{font-size:10px;font-weight:500;color:var(--primary);letter-spacing:-.2px;margin-top:36px}.plans-header{display:flex;align-items:center;justify-content:space-between;padding:4px 16px 8px}.plans-tabs{display:flex;gap:6px;background:#78788014;border-radius:99px;padding:3px}.plans-tab{font-size:13px;font-weight:500;padding:4px 14px;border-radius:99px;border:none;cursor:pointer;background:transparent;color:var(--text-2);transition:background .15s,color .15s}.plans-tab.active{background:var(--primary);color:#fff}.btn-icon-add{width:32px;height:32px;border-radius:50%;border:none;background:var(--primary);color:#fff;font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .15s,transform .12s;-webkit-tap-highlight-color:transparent}.btn-icon-add:active{transform:scale(.88);opacity:.8}.plans-form-card{margin:0 16px 8px}.plans-form-card .form-input{margin-bottom:8px}.plans-form-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}.plans-form-actions{display:flex;gap:8px}.plans-list{display:flex;flex-direction:column;gap:1px;margin:0 16px;border-radius:14px;overflow:hidden;background:var(--card);box-shadow:var(--shadow)}.plan-row{padding:14px 16px 12px;cursor:pointer;background:var(--card);transition:opacity .15s;-webkit-tap-highlight-color:transparent;border-bottom:1px solid var(--border)}.plan-row:last-child{border-bottom:none}.plan-row:active{opacity:.6}.plan-row-main{display:flex;align-items:center;gap:8px;margin-bottom:6px}.plan-row-title{font-size:15px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.plan-row-meta{display:flex;align-items:center;gap:8px;margin-bottom:6px}.plan-row-date{font-size:11px;color:var(--text-3);flex:1}.plan-row-pct{font-size:12px;font-weight:600;color:var(--primary)}.plan-row-chevron{font-size:18px;color:var(--text-3);line-height:1}.plan-row-bar{margin:0;height:3px;border-radius:99px}.empty-sub{font-size:13px;color:var(--text-3);margin-top:4px}.ai-md{font-size:14px;line-height:1.7;color:var(--text)}.ai-md p{margin:4px 0}.ai-md h2{font-size:15px;font-weight:700;margin:10px 0 4px}.ai-md h3{font-size:13px;font-weight:700;color:var(--primary);margin:8px 0 3px}.ai-md ul,.ai-md ol{padding-left:18px;margin:4px 0}.ai-md li{margin:2px 0}.ai-md strong{font-weight:700}.ai-md code{font-family:monospace;font-size:12px;background:#ffffff17;padding:1px 5px;border-radius:4px;color:var(--primary)}.ai-md hr{border:none;border-top:1px solid var(--border);margin:8px 0}.ai-md .katex{font-size:1em}.ai-md .katex-display{margin:8px 0;overflow-x:auto}:root{--primary: #5856D6;--primary-light: #7B7AE8;--primary-soft: rgba(88,86,214,.12);--primary-border: rgba(88,86,214,.28);--success: #34C759;--success-soft: rgba(52,199,89,.12);--warning: #FF9500;--danger: #FF3B30;--danger-soft: rgba(255,59,48,.1);--bg: #F2F2F7;--bg-elevated: #FFFFFF;--card: #FFFFFF;--card-hover: #F9F9F9;--overlay: #FFFFFF;--border: rgba(60,60,67,.18);--border-strong: rgba(60,60,67,.29);--text: #000000;--text-2: #8E8E93;--text-3: #C7C7CC;--nav-bg: rgba(242,242,247,.85);--nav-h: 64px;--radius: 10px;--radius-md: 12px;--radius-lg: 16px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 1px 0 rgba(0,0,0,.06);--heat-0: #E5E5EA;--heat-1: #C7C6F2;--heat-2: #9B99E8;--heat-3: #6E6CDE;--heat-4: #5856D6;--shell-bg: #E5E5EA;--shell-frame: #D1D1D6;--shell-ring: #C7C7CC;--primary-dark: #4543B8;--warning-soft: rgba(255,149,0,.12);--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 20px;--space-2xl: 24px;--space-3xl: 32px;--space-4xl: 64px;--text-large-title: 34px;--text-title2: 28px;--text-headline: 17px;--text-body: 17px;--text-callout: 16px;--text-subheadline: 15px;--text-footnote: 13px;--text-caption: 12px;--text-caption2: 11px;--text-nav: 10px;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.47;--line-height-relaxed: 1.6;--radius-pill: 999px;--radius-icon: 20px;--radius-shell: 52px;--grade-s-bg: rgba(255,204,0,.15);--grade-s-text: #B8860B;--grade-a-bg: rgba(52,199,89,.12);--grade-a-text: #34C759;--grade-b-bg: rgba(88,86,214,.12);--grade-b-text: #5856D6;--grade-c-bg: rgba(120,120,128,.12);--grade-c-text: #8E8E93;--shadow-card: 0 1px 4px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);--shadow-fab: 0 4px 16px rgba(88,86,214,.4), 0 1px 4px rgba(0,0,0,.12)}[data-theme=dark]{--primary: #7C7AFF;--primary-light: #9B99E8;--primary-dim: #5856D6;--primary-soft: rgba(124,122,255,.1);--primary-glow: rgba(124,122,255,.18);--primary-border: rgba(124,122,255,.25);--success: #34D058;--success-soft: rgba(52,208,88,.12);--warning: #F0A732;--danger: #FF5C5C;--danger-soft: rgba(255,92,92,.12);--bg: #0A0A0D;--bg-elevated: #111116;--card: #17171D;--card-hover: #1E1E26;--overlay: #17171D;--surface: #111116;--border: rgba(255,255,255,.07);--border-strong: rgba(255,255,255,.11);--border-md: rgba(255,255,255,.11);--text: #EEEEF3;--text-2: rgba(238,238,243,.5);--text-3: rgba(238,238,243,.25);--nav-bg: rgba(10,10,13,.9);--shadow: 0 1px 3px rgba(0,0,0,.5);--shadow-sm: 0 1px 0 rgba(255,255,255,.04);--shadow-fab: 0 4px 20px rgba(124,122,255,.45), 0 1px 4px rgba(0,0,0,.2);--heat-0: rgba(255,255,255,.05);--heat-1: #2D2B6B;--heat-2: #3E3B9E;--heat-3: #5553C4;--heat-4: #7C7AFF;--shell-bg: #060608;--shell-frame: #111114;--shell-ring: rgba(255,255,255,.12);--grade-s-bg: rgba(255,200,40,.14);--grade-s-text: #F0A732;--grade-a-bg: rgba(52,208,88,.12);--grade-a-text: #34D058;--grade-b-bg: rgba(124,122,255,.12);--grade-b-text: #7C7AFF;--grade-c-bg: rgba(255,255,255,.06);--grade-c-text: rgba(238,238,243,.45)}@keyframes pageIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes glowPulse{0%,to{box-shadow:0 0 16px #7c7aff66,0 4px 20px #7c7aff33}50%{box-shadow:0 0 28px #7c7aff99,0 4px 24px #7c7aff4d}}@keyframes dotBlink{0%,80%,to{opacity:.2;transform:scale(.85)}40%{opacity:1;transform:scale(1)}}@keyframes msgIn{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes countUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes spinnerRing{to{transform:rotate(360deg)}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;transition:border-color .2s ease,color .15s ease}body,.card,.app-header,.bottom-nav,.btn,.nav-item{transition:background-color .2s ease,border-color .2s ease,color .15s ease}html{background:var(--bg);min-height:100%}#root{background:var(--bg);min-height:100dvh}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Noto Sans TC,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);max-width:480px;margin:0 auto;min-height:100dvh;-webkit-font-smoothing:antialiased;font-size:17px;line-height:1.47}.page,.page-content{padding:0 0 calc(var(--nav-h) + env(safe-area-inset-bottom,0px) + 44px);min-height:100dvh;background:var(--bg)}.page-title{font-size:34px;font-weight:700;letter-spacing:.37px;color:var(--text);padding:12px 20px 16px;line-height:1.15}.card{background:var(--card);border-radius:var(--radius-lg);padding:20px;margin:0 16px 10px;box-shadow:var(--shadow-sm)}[data-theme=light] .card{box-shadow:0 1px 4px #0000000f,0 0 0 1px #0000000a}.section-label{font-size:13px;font-weight:500;color:var(--text-2);padding:20px 20px 8px;letter-spacing:.1px;text-transform:uppercase}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:13px 20px;border-radius:var(--radius-md);border:none;font-size:16px;font-weight:500;font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:opacity .12s,transform .08s}.btn:active{opacity:.7;transform:scale(.98)}.btn:disabled{opacity:.3;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{opacity:.92}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:var(--bg-elevated);color:var(--primary);border:none}.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary-border)}.btn-subtle{background:#7878801f;color:var(--text);border:none;font-size:14px;padding:8px 14px}.btn-full{width:100%}.form-group{margin-bottom:16px}.form-group:last-of-type{margin-bottom:0}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:7px;padding:0 2px;letter-spacing:.1px}.form-input,.form-select,.input{width:100%;background:var(--bg);border:none;border-radius:var(--radius-md);padding:14px 16px;color:var(--text);font-size:16px;font-family:inherit;box-shadow:inset 0 0 0 1.5px var(--border);transition:box-shadow .15s}[data-theme=light] .form-input,[data-theme=light] .form-select,[data-theme=light] .input{background:var(--bg-elevated);box-shadow:inset 0 0 0 1.5px var(--border-strong)}.form-input::placeholder,.form-select::placeholder,.input::placeholder{color:var(--text-3)}.form-input:focus,.form-select:focus,.input:focus{outline:none;box-shadow:inset 0 0 0 2px var(--primary),0 0 0 4px var(--primary-soft);background:var(--overlay)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238E8E93' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;cursor:pointer}.form-section{display:flex;flex-direction:column;gap:16px}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:8px;font-size:12px;font-weight:600;letter-spacing:-.1px}.badge-S{background:#ffcc0026;color:#b8860b}[data-theme=dark] .badge-S{color:#fc0;background:#ffcc002e}.badge-A{background:var(--success-soft);color:var(--success)}.badge-B{background:var(--primary-soft);color:var(--primary)}.badge-C{background:#7878801f;color:var(--text-2)}.trend-up{color:var(--success)}.trend-down{color:var(--danger)}.trend-flat{color:var(--text-3)}.progress-bar{background:#78788029;border-radius:999px;height:5px;overflow:hidden}.progress-fill{height:100%;border-radius:999px;background:var(--primary);transition:width .5s cubic-bezier(.4,0,.2,1)}.empty-state{text-align:center;color:var(--text-2);padding:64px 20px 48px;font-size:15px;line-height:2}.error-msg{background:var(--danger-soft);color:var(--danger);border-radius:var(--radius-md);padding:14px 16px;margin:0 16px 12px;font-size:14px;font-weight:500}.success-msg{background:var(--success-soft);color:var(--success);border-radius:var(--radius-md);padding:14px 16px;margin:0 16px 12px;font-size:14px;font-weight:500}.spinner{display:flex;justify-content:center;align-items:center;padding:56px;color:var(--text-2);font-size:15px;min-height:200px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 16px 10px}.stat-card{background:var(--card);border-radius:var(--radius-lg);padding:20px 16px;text-align:center;box-shadow:var(--shadow-sm)}.stat-value{font-size:34px;font-weight:700;letter-spacing:.37px;color:var(--text);line-height:1.1}.stat-label{font-size:12px;color:var(--text-2);margin-top:6px;font-weight:400}.heatmap-wrapper{overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.heatmap-wrapper::-webkit-scrollbar{display:none}.divider{height:1px;background:var(--border);margin:16px 0}.glass{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}@media (min-width: 640px){html{background:var(--shell-bg);max-width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center}body{max-width:100%;background:transparent;display:flex;align-items:center;justify-content:center;min-height:100vh}.phone-shell{position:relative;width:393px;height:852px;border-radius:52px;background:var(--bg);overflow:hidden;box-shadow:0 0 0 1px var(--shell-ring),0 0 0 10px var(--shell-frame),0 0 0 11px var(--shell-ring),0 60px 140px #00000080,0 0 80px #7c7aff0f}.phone-shell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:52px;border:10px solid var(--shell-frame);pointer-events:none;z-index:300}.phone-notch{position:absolute;top:12px;left:50%;transform:translate(-50%);width:116px;height:32px;background:#000;border-radius:999px;z-index:200}.phone-screen{width:100%;height:100%;overflow-y:auto;overflow-x:hidden;scrollbar-width:none;-ms-overflow-style:none;background:var(--bg)}.phone-screen::-webkit-scrollbar{display:none}.phone-home-bar{position:absolute;bottom:10px;left:50%;transform:translate(-50%);width:134px;height:5px;background:#00000040;border-radius:999px;z-index:200}[data-theme=dark] .phone-home-bar{background:#ffffff40}.phone-side-btn{position:absolute;background:var(--shell-frame);border-radius:2px}.phone-side-btn.vol-up{left:-10px;top:132px;width:3px;height:30px}.phone-side-btn.vol-down{left:-10px;top:172px;width:3px;height:30px}.phone-side-btn.power{right:-10px;top:162px;width:3px;height:56px}}@media (max-width: 639px){html,body,#root,.phone-shell,.phone-screen{background:var(--bg)}}.t-large-title{font-size:34px;font-weight:700;letter-spacing:.37px;line-height:1.15}.t-title2{font-size:28px;font-weight:700;letter-spacing:.36px;line-height:1.2}.t-headline{font-size:17px;font-weight:600;line-height:1.29}.t-body{font-size:17px;font-weight:400;line-height:1.47}.t-callout{font-size:16px;font-weight:400;line-height:1.31}.t-subheadline{font-size:15px;font-weight:600;line-height:1.33}.t-footnote{font-size:13px;font-weight:500;line-height:1.38}.t-caption{font-size:12px;font-weight:400;line-height:1.33}.t-caption2{font-size:11px;font-weight:400;line-height:1.18}.t-nav{font-size:10px;font-weight:500;line-height:1.2}