/*! tailwindcss v4.2.2 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.flex{display:flex}.hidden{display:none}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{color:#141413;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv11", "ss01";background:#f5f4ed;font-family:Inter,-apple-system,PingFang SC,Microsoft YaHei UI,system-ui,sans-serif;line-height:1.6}button,input,select,textarea{font:inherit;color:inherit}a{color:inherit;text-decoration:none}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@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{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.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;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 .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.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 .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{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.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;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.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:.833333em}.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:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.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:1.66667em}.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:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.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:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.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:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.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:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.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:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.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:.416667em}.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:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.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:.833333em}.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:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.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:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.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:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.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:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.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:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.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{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 .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{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 .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.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 .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{--c-bg:#f5f4ed;--c-bg-warm:#f0eee6;--c-bg-card:#faf9f5;--c-bg-hover:#1414130a;--c-bg-active:#14141312;--c-bg-input:#faf9f5;--c-bg-sand:#e8e6dc;--c-ink-1:#141413;--c-ink-2:#4d4c48;--c-ink-3:#5e5d59;--c-ink-4:#87867f;--c-ink-5:#b0aea5;--c-zhu:#c96442;--c-zhu-h:#b5573a;--c-zhu-l:#d97757;--c-zhu-s:#c9644212;--c-zhu-m:#c9644224;--c-jin:#a6843a;--c-yu:#5a7f5e;--c-border:#f0eee6;--c-border-s:#e8e6dc;--c-border-i:#d1cfc5;--c-dark-surf:#30302e;--c-dark-bg:#141413;--f-ui:"Inter", "Söhne", -apple-system, "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;--f-ser:"Tiempos Text", "Source Serif 4", Georgia, "Noto Serif SC", "STSong", serif;--f-mono:"JetBrains Mono", "SF Mono", "Cascadia Code", "Fira Code", monospace;--r-s:8px;--r-m:12px;--r-l:16px;--r-xl:24px;--r-f:9999px;--sh-xs:0 0 0 1px #1414130a;--sh-sm:0 0 0 1px #1414130d, 0 1px 2px #14141308;--sh-md:0 0 0 1px #1414130d, 0 4px 16px #1414130a;--sh-lg:0 0 0 1px #1414130f, 0 8px 32px #1414130f;--sh-ring:0 0 0 1px var(--c-border-i);--sh-whisper:0 4px 24px #1414130d;--sh-composer:0 0 0 1px var(--c-border-s), 0 4px 24px #1414130d;--sidebar-w:256px;--chat-max-w:780px;--sidebar-transition:width .28s cubic-bezier(.16, 1, .3, 1), opacity .2s ease}.app-shell{background:var(--c-bg);height:100vh;color:var(--c-ink-1);font-family:var(--f-ui);display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--c-bg-warm);border-right:1px solid var(--c-border-s);transition:var(--sidebar-transition);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar.collapsed{border-right-width:0;width:0}.sidebar-panel{width:var(--sidebar-w);min-width:var(--sidebar-w);flex-direction:column;height:100%;padding:0;display:flex;overflow:hidden}.sidebar-top{flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 8px 8px 12px;display:flex}.sidebar-brand{flex-shrink:0;align-items:center;gap:8px;display:flex}.sidebar-brand-mark{border-radius:var(--r-s);background:var(--c-zhu);color:#faf9f5;width:28px;height:28px;font-family:var(--f-ser);box-shadow:0 0 0 1px var(--c-zhu), 0 2px 8px #c9644233;letter-spacing:.02em;flex-shrink:0;place-items:center;font-size:14px;font-weight:500;display:grid}.sidebar-brand-info{flex:1;min-width:0}.sidebar-brand-title{color:var(--c-ink-1);letter-spacing:-.01em;font-size:16px;font-weight:500;line-height:1.1;font-family:var(--f-ser)}.sidebar-pin-btn{border-radius:var(--r-s);width:32px;height:32px;color:var(--c-ink-3);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.sidebar-pin-btn:hover{background:var(--c-bg-hover);color:var(--c-ink-1)}.sidebar-nav{flex-direction:column;flex-shrink:0;gap:1px;padding:6px 8px 4px;display:flex}.sidebar-nav-item{border-radius:var(--r-s);width:100%;height:32px;color:var(--c-ink-2);cursor:pointer;font-size:13.5px;font-weight:400;font-family:var(--f-ui);text-align:left;background:0 0;border:none;align-items:center;gap:10px;padding:0 12px;transition:all .1s;display:flex}.sidebar-nav-item:hover{background:var(--c-bg-hover);color:var(--c-ink-1)}.sidebar-nav-item:active{background:var(--c-bg-active);transform:scale(1)}.sidebar-nav-icon{width:16px;height:16px;color:var(--c-ink-3);flex-shrink:0;justify-content:center;align-items:center;display:flex}.sidebar-nav-icon-new{background:var(--c-zhu-m);width:20px;height:20px;color:var(--c-zhu);border-radius:50%;justify-content:center;align-items:center;margin-left:-2px;transition:all .15s;display:flex}.sidebar-nav-item:hover .sidebar-nav-icon-new{color:var(--c-zhu-h);background:#c9644238;transform:scale(1.08)rotate(-3deg)}.sidebar-nav-label{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.sidebar-search{flex-shrink:0;padding:4px 8px 8px;position:relative}.sidebar-search-icon{color:var(--c-ink-4);pointer-events:none;position:absolute;top:50%;left:20px;transform:translateY(-50%)}.sidebar-search input{border:1px solid var(--c-border-s);border-radius:var(--r-s);background:var(--c-bg-card);width:100%;color:var(--c-ink-1);outline:none;padding:6px 10px 6px 32px;font-size:13px;transition:all .18s}.sidebar-search input:focus{border-color:var(--c-border-i);box-shadow:0 0 0 3px var(--c-zhu-s);background:#fff}.sidebar-search input::placeholder{color:var(--c-ink-4)}.conversation-list{border-top:1px solid #0000;flex-direction:column;flex:1;gap:0;padding:0 8px 16px;transition:border-color .15s;display:flex;overflow:hidden auto}.conversation-list::-webkit-scrollbar{width:3px}.conversation-list::-webkit-scrollbar-thumb{background:var(--c-border);border-radius:var(--r-f)}.conversation-list-header{color:var(--c-ink-4);letter-spacing:.02em;cursor:default;-webkit-user-select:none;user-select:none;margin:0;padding:14px 12px 6px;font-size:11px;font-weight:400}.conversation-items{flex-direction:column;gap:1px;margin:0;padding:0;list-style:none;display:flex}.conversation-card{border-radius:var(--r-s);cursor:pointer;align-items:center;height:32px;padding:0 8px 0 12px;transition:all .1s;display:flex;position:relative}.conversation-card:hover{background:var(--c-bg-hover)}.conversation-card.active{background:var(--c-bg-active)}.conversation-card-title{color:var(--c-ink-2);white-space:nowrap;text-overflow:ellipsis;flex:1;align-items:center;gap:0;min-width:0;font-size:13px;font-weight:400;display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#000 85%,#0000 100%);mask-image:linear-gradient(90deg,#000 85%,#0000 100%)}.conversation-card.active .conversation-card-title{color:var(--c-ink-1);font-weight:500}.conversation-card-icon{color:var(--c-ink-4);flex-shrink:0;margin-right:8px}.conversation-more-btn{border-radius:var(--r-s);width:28px;height:28px;color:var(--c-ink-4);cursor:pointer;opacity:0;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:all .12s;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.conversation-card:hover .conversation-more-btn,.conversation-card.active .conversation-more-btn{opacity:1}.conversation-more-btn:hover{color:#b53333;background:#b5333314}.chat-shell{background:var(--c-bg);flex-direction:column;flex:1;min-width:0;height:100vh;display:flex;overflow:hidden}.chat-header{background:var(--c-bg);border-bottom:1px solid var(--c-border-s);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;height:58px;padding:0 20px;display:flex}.chat-header-main{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.chat-header-title{color:var(--c-ink-1);white-space:nowrap;text-overflow:ellipsis;font-size:17px;font-weight:500;font-family:var(--f-ser);letter-spacing:-.01em;line-height:1.2;overflow:hidden}.chat-header-subtitle{color:var(--c-ink-4);letter-spacing:.02em;margin-top:2px;font-size:12px}.chat-header-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.header-ghost,.tool-button,.settings-close{border-radius:var(--r-s);cursor:pointer;color:var(--c-ink-3);background:0 0;border:none;justify-content:center;align-items:center;transition:all .15s;display:flex}.header-ghost{color:var(--c-ink-2);padding:7px}.header-ghost:hover,.tool-button:hover{background:var(--c-bg-hover);color:var(--c-ink-1)}.header-primary{border-radius:var(--r-m);background:var(--c-bg-sand);color:var(--c-ink-2);cursor:pointer;box-shadow:0 0 0 1px var(--c-border-i);border:none;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.header-primary:hover{background:var(--c-border-s);box-shadow:0 0 0 1px var(--c-ink-4);color:var(--c-ink-1)}.chat-scroll{scroll-behavior:smooth;flex:1;overflow:hidden auto}.chat-scroll::-webkit-scrollbar{width:4px}.chat-scroll::-webkit-scrollbar-thumb{background:var(--c-border-s);border-radius:var(--r-f)}.message-list{width:min(var(--chat-max-w), 100%);flex-direction:column;gap:0;margin:0 auto;padding:20px 24px 32px;display:flex}.welcome-panel{width:min(var(--chat-max-w), 100%);flex-direction:column;align-items:center;margin:0 auto;padding:52px 24px 32px;display:flex}.welcome-hero{text-align:center;margin-bottom:40px}.welcome-seal{border-radius:var(--r-l);background:var(--c-zhu);color:#faf9f5;width:76px;height:76px;font-family:var(--f-ser);letter-spacing:-.01em;box-shadow:0 0 0 1px var(--c-zhu), 0 8px 32px #c964422e;justify-content:center;align-items:center;margin:0 auto 28px;font-size:34px;font-weight:500;display:flex}.welcome-hero h1{color:var(--c-ink-1);font-size:44px;font-weight:500;font-family:var(--f-ser);letter-spacing:-.02em;margin-bottom:12px;line-height:1.15}.welcome-hero p{color:var(--c-ink-3);letter-spacing:0;font-size:17px;line-height:1.6}.welcome-divider{background:var(--c-border-s);width:48px;height:1px;margin:28px auto}.welcome-grid{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;max-width:680px;display:grid}.welcome-card{border-radius:var(--r-m);border:1px solid var(--c-border-s);background:var(--c-bg-card);text-align:left;cursor:pointer;flex-direction:column;gap:6px;padding:14px 16px;transition:all .18s;display:flex}.welcome-card:hover{border-color:var(--c-border-i);box-shadow:var(--sh-whisper);background:#fff;transform:translateY(-1px)}.welcome-card-title{color:var(--c-ink-1);font-size:15px;font-weight:500;font-family:var(--f-ser);letter-spacing:-.01em;line-height:1.3}.welcome-card-subtitle{color:var(--c-ink-3);font-size:13px;line-height:1.5}.chat-message{border-bottom:1px solid #0000;grid-template-columns:32px 1fr;gap:14px;padding:16px 0;animation:.22s msg-in;display:grid}.chat-message+.chat-message{border-top:1px solid var(--c-border-s)}@keyframes msg-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.message-avatar{border-radius:var(--r-s);width:32px;height:32px;font-size:14px;font-weight:500;font-family:var(--f-ser);flex-shrink:0;place-items:center;display:grid}.chat-message.user .message-avatar{background:var(--c-bg-sand);color:var(--c-ink-2);box-shadow:0 0 0 1px var(--c-border-i)}.chat-message.assistant .message-avatar{background:var(--c-zhu);color:#faf9f5;box-shadow:0 0 0 1px var(--c-zhu), 0 2px 8px #c964422e}.message-main{min-width:0;padding-top:5px}.message-head{align-items:baseline;gap:8px;margin-bottom:8px;display:flex}.message-role{color:var(--c-ink-1);letter-spacing:-.005em;font-size:13px;font-weight:500;font-family:var(--f-ser)}.message-time{color:var(--c-ink-4);font-size:11px}.message-notice-list{gap:6px;margin-bottom:12px;display:grid}.message-notice{border-radius:var(--r-s);color:#6b5821;background:#fbf6e4;border:1px solid #e8dcb1;padding:7px 12px;font-size:12.5px;line-height:1.5}.message-attachments{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.message-attachment{border-radius:var(--r-f);background:var(--c-bg-warm);border:1px solid var(--c-border-s);color:var(--c-ink-2);align-items:center;gap:6px;padding:4px 10px;font-size:12px;display:inline-flex}.attachment-kind{text-transform:uppercase;letter-spacing:.06em;background:var(--c-border);color:var(--c-ink-3);border-radius:3px;padding:1px 5px;font-size:10px;font-weight:600}.message-content{color:var(--c-ink-1);letter-spacing:-.003em;font-size:15.5px;line-height:1.72}.message-content.loading{min-height:24px}.assistant-stream-wrap{display:inline}.streaming-cursor{vertical-align:text-bottom;background:var(--c-zhu);border-radius:2px;width:8px;height:1.1em;margin-left:2px;animation:1s step-end infinite stream-cursor-blink;display:inline-block}.message-content p{margin-bottom:12px}.message-content p:last-child{margin-bottom:0}.message-content h1,.message-content h2,.message-content h3{font-family:var(--f-ser);color:var(--c-ink-1);letter-spacing:-.015em;margin:20px 0 10px;font-weight:500;line-height:1.2}.message-content h1{font-size:26px}.message-content h2{font-size:21px}.message-content h3{font-size:17px}.message-content ul,.message-content ol{margin-bottom:12px;padding-left:20px}.message-content li{margin-bottom:4px}.message-content blockquote{border-left:3px solid var(--c-zhu);color:var(--c-ink-2);margin:12px 0;padding:4px 0 4px 14px;font-style:italic}.message-content table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14px}.message-content th,.message-content td{border:1px solid var(--c-border-s);text-align:left;padding:6px 10px}.message-content th{background:var(--c-bg-warm);color:var(--c-ink-1);font-weight:600}.message-content hr{border:none;border-top:1px solid var(--c-border-s);margin:16px 0}.markdown-image{border-radius:var(--r-s);border:1px solid var(--c-border-s);background:var(--c-bg-card);max-width:100%;height:auto;margin:12px 0;display:block}.typing-indicator{align-items:center;gap:5px;padding:4px 0;display:flex}.typing-indicator span{background:var(--c-zhu);opacity:.4;border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite typing-dot}.typing-indicator span:first-child{animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing-dot{0%,60%,to{opacity:.4;transform:scale(1)}30%{opacity:1;transform:scale(1.3)}}@keyframes stream-cursor-blink{0%,45%{opacity:1}46%,to{opacity:0}}.inline-code{font-family:var(--f-mono);background:var(--c-bg-warm);border:1px solid var(--c-border-s);color:var(--c-zhu);border-radius:4px;padding:1px 6px;font-size:.875em}.code-block{border-radius:var(--r-m);border:1px solid var(--c-dark-surf);background:var(--c-dark-bg);margin:14px 0;overflow:hidden}.code-header{background:var(--c-dark-surf);border-bottom:1px solid #faf9f50f;justify-content:space-between;align-items:center;padding:8px 14px;display:flex}.code-lang{font-family:var(--f-mono);color:var(--c-ink-5);letter-spacing:.08em;text-transform:lowercase;font-size:11px}.code-copy{cursor:pointer;color:var(--c-ink-5);font-size:12px;font-family:var(--f-ui);background:0 0;border:none;border-radius:4px;align-items:center;gap:4px;padding:2px 6px;transition:all .15s;display:flex}.code-copy:hover{color:#faf9f5;background:#faf9f514}.code-block pre{margin:0;padding:16px;overflow-x:auto}.code-block code{font-family:var(--f-mono);color:#e6e4db;font-size:13.5px;line-height:1.65}.rag-card{border-radius:var(--r-m);border:1px solid var(--c-border);background:var(--c-bg-warm);margin-bottom:14px;overflow:hidden}.rag-card-header{border-bottom:1px solid var(--c-border-s);background:var(--c-zhu-s);justify-content:space-between;align-items:flex-start;gap:12px;padding:11px 14px 10px;display:flex}.rag-title{color:var(--c-zhu);letter-spacing:.04em;font-size:12.5px;font-weight:600;font-family:var(--f-ser)}.rag-subtitle{color:var(--c-ink-3);margin-top:2px;font-size:12px}.rag-figure-hint{color:var(--c-jin)}.rag-tags{flex-wrap:wrap;justify-content:flex-end;gap:4px;display:flex}.rag-tag{border-radius:var(--r-f);background:var(--c-zhu-s);border:1px solid var(--c-zhu-m);color:var(--c-zhu);padding:2px 7px;font-size:11px;font-weight:500}.rag-list{flex-direction:column;gap:1px;padding:6px 0;display:flex}.rag-item-group{flex-direction:column;display:flex}.rag-item{align-items:center;gap:8px;padding:7px 14px;font-size:12.5px;transition:background .12s;display:flex}.rag-item:hover{background:var(--c-bg-hover)}.rag-year{color:var(--c-ink-3);font-size:12px;font-weight:600;font-family:var(--f-mono);flex-shrink:0}.rag-number{color:var(--c-zhu);flex-shrink:0;font-size:12px;font-weight:600}.rag-subject{color:var(--c-ink-3);border-radius:var(--r-f);background:var(--c-bg-hover);border:1px solid var(--c-border-s);flex-shrink:0;padding:1px 6px;font-size:11px}.rag-preview{text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink-2);flex:1;font-size:12px;overflow:hidden}.rag-figure-toggle{color:var(--c-jin);cursor:pointer;border-radius:var(--r-s);background:0 0;border:none;flex-shrink:0;align-items:center;gap:4px;padding:2px 6px;font-size:11.5px;transition:background .12s;display:inline-flex}.rag-figure-toggle:hover{background:#a6843a1a}.rag-figure-arrow{transition:transform .2s;display:inline-flex}.rag-figure-arrow.open{transform:rotate(90deg)}.rag-figures{border-top:1px solid var(--c-border-s);background:#faf9f599;flex-direction:column;gap:8px;padding:8px 14px;display:flex}.question-figure{border-radius:var(--r-s);border:1px solid var(--c-border-s);background:var(--c-bg-card);overflow:hidden}.figure-header{background:var(--c-bg-warm);border-bottom:1px solid var(--c-border-s);justify-content:space-between;align-items:center;padding:6px 10px;display:flex}.figure-label{color:var(--c-ink-3);font-size:11.5px;font-family:var(--f-mono);align-items:center;gap:6px;display:flex}.figure-expand-btn{cursor:pointer;color:var(--c-ink-3);background:0 0;border:none;align-items:center;padding:2px;transition:color .15s;display:flex}.figure-expand-btn:hover{color:var(--c-ink-1)}.figure-content{justify-content:center;max-height:240px;padding:16px;display:flex;overflow:auto}.question-figure.expanded .figure-content{max-height:480px}.figure-content svg{max-width:100%;height:auto}.figure-placeholder{color:var(--c-ink-3);align-items:center;gap:8px;padding:16px;font-size:13px;display:flex}.question-figure.error{color:var(--c-ink-3);justify-content:space-between;align-items:center;gap:12px;padding:16px;display:flex}.figure-error-text{font-size:13px}.figure-open-link{color:var(--c-zhu);font-size:12px;font-weight:600;text-decoration:none}.figure-open-link:hover{text-decoration:underline}.figure-spinner{border:2px solid var(--c-border);border-top-color:var(--c-zhu);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.composer{background:var(--c-bg);flex-shrink:0;justify-content:center;padding:12px 20px 20px;display:flex}.composer.dragging .composer-card{border-color:var(--c-zhu);box-shadow:var(--sh-composer), 0 0 0 3px var(--c-zhu-s)}.composer-card{width:100%;max-width:var(--chat-max-w);border-radius:var(--r-xl);background:var(--c-bg-card);border:1px solid var(--c-border-s);box-shadow:var(--sh-whisper);flex-direction:column;transition:border-color .18s,box-shadow .18s;display:flex}.composer-card:focus-within{border-color:var(--c-border-i);box-shadow:var(--sh-composer), 0 0 0 3px var(--c-zhu-s)}.attachment-strip{flex-wrap:wrap;gap:6px;padding:12px 16px 0;display:flex}.attachment-chip{border-radius:var(--r-f);background:var(--c-bg-warm);border:1px solid var(--c-border);color:var(--c-ink-2);align-items:center;gap:7px;max-width:200px;padding:5px 10px;font-size:12.5px;display:inline-flex}.attachment-chip-main{align-items:center;gap:6px;display:inline-flex;overflow:hidden}.attachment-thumb{object-fit:cover;border:1px solid var(--c-border);border-radius:4px;flex-shrink:0;width:28px;height:28px}.attachment-name{white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:500;overflow:hidden}.attachment-chip button{cursor:pointer;color:var(--c-ink-4);background:0 0;border:none;border-radius:50%;flex-shrink:0;align-items:center;padding:2px;transition:color .12s;display:flex}.attachment-chip button:hover{color:var(--c-ink-1)}.composer-textarea-wrap{padding:12px 16px 10px}.composer-textarea{resize:none;width:100%;min-height:26px;max-height:200px;color:var(--c-ink-1);font-family:var(--f-ui);background:0 0;border:none;outline:none;font-size:15px;line-height:1.6;display:block;overflow-y:auto}.composer-textarea::placeholder{color:var(--c-ink-4)}.composer-toolbar{justify-content:space-between;align-items:center;gap:8px;padding:6px 10px 10px;display:flex}.composer-toolbar-left{align-items:center;gap:4px;display:flex}.composer-toolbar-right{align-items:center;gap:6px;display:flex}.composer-icon-btn{border-radius:var(--r-m);width:32px;height:32px;color:var(--c-ink-3);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.composer-icon-btn:hover:not(:disabled){background:var(--c-bg-hover);color:var(--c-ink-1)}.composer-icon-btn:disabled{opacity:.4;cursor:not-allowed}.composer-send-btn,.composer-stop-btn{border-radius:var(--r-m);cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;transition:all .18s;display:flex}.composer-send-btn{background:var(--c-zhu);color:#faf9f5;box-shadow:0 0 0 1px var(--c-zhu)}.composer-send-btn:hover:not(:disabled){background:var(--c-zhu-h);box-shadow:0 0 0 1px var(--c-zhu-h), 0 2px 8px #c9644238}.composer-send-btn:disabled{background:var(--c-bg-sand);color:var(--c-ink-4);box-shadow:0 0 0 1px var(--c-border-i);cursor:not-allowed}.composer-stop-btn{background:var(--c-ink-1);color:#faf9f5;box-shadow:0 0 0 1px var(--c-ink-1)}.composer-stop-btn:hover{background:var(--c-dark-surf)}.settings-backdrop{z-index:50;background:#14141352;justify-content:flex-end;align-items:flex-start;animation:.18s fade-in;display:flex;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.settings-panel{background:var(--c-bg);border-left:1px solid var(--c-border);flex-direction:column;width:380px;max-width:100vw;height:100vh;animation:.24s cubic-bezier(.16,1,.3,1) slide-in-right;display:flex;overflow-y:auto;box-shadow:-8px 0 32px #14141314}@keyframes slide-in-right{0%{transform:translate(100%)}to{transform:translate(0)}}.settings-header{border-bottom:1px solid var(--c-border-s);flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:12px;padding:22px 22px 18px;display:flex}.settings-header h3{color:var(--c-ink-1);font-size:20px;font-weight:500;font-family:var(--f-ser);letter-spacing:-.01em}.settings-header p{color:var(--c-ink-3);margin-top:4px;font-size:12.5px;line-height:1.5}.settings-close{border-radius:var(--r-s);border:1px solid #0000;flex-shrink:0;margin-top:2px;padding:6px;transition:all .15s}.settings-close:hover{background:var(--c-bg-hover);border-color:var(--c-border-s);color:var(--c-ink-1)}.settings-section{border-bottom:1px solid var(--c-border-s);flex-direction:column;gap:14px;padding:18px 22px;display:flex}.settings-section:last-child{border-bottom:none}.settings-section h4{color:var(--c-ink-4);text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:500;font-family:var(--f-ui);margin-bottom:2px}.settings-field{justify-content:space-between;align-items:center;gap:12px;display:flex}.settings-field span{color:var(--c-ink-2);flex-shrink:0;font-size:13.5px}.settings-field select{border:1px solid var(--c-border-s);border-radius:var(--r-s);background:var(--c-bg-card);min-width:0;max-width:180px;color:var(--c-ink-1);cursor:pointer;appearance:auto;outline:none;flex:1;padding:6px 10px;font-size:13px;transition:border-color .15s}.settings-field select:focus{border-color:var(--c-border-i);box-shadow:0 0 0 3px var(--c-zhu-s)}.settings-field input[type=range]{accent-color:var(--c-zhu);cursor:pointer;flex:1}.settings-field strong{color:var(--c-zhu);text-align:right;min-width:28px;font-size:13px;font-weight:600}.settings-switch{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;display:flex}.settings-switch span{color:var(--c-ink-2);font-size:13.5px}.settings-switch input[type=checkbox]{appearance:none;background:var(--c-border-s);border-radius:var(--r-f);cursor:pointer;flex-shrink:0;width:36px;height:20px;transition:background .2s;position:relative}.settings-switch input[type=checkbox]:checked{background:var(--c-zhu)}.settings-switch input[type=checkbox]:after{content:"";background:#faf9f5;border-radius:50%;width:14px;height:14px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #1414132e}.settings-switch input[type=checkbox]:checked:after{transform:translate(16px)}@media (width<=900px){.message-list,.welcome-panel{padding-left:16px;padding-right:16px}.composer{padding:8px 12px 16px}.welcome-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=680px){:root{--sidebar-w:80vw}.sidebar{z-index:40;height:100vh;box-shadow:var(--sh-lg);position:fixed;top:0;left:0}.sidebar.collapsed{width:0;box-shadow:none}.welcome-grid{grid-template-columns:1fr}.chat-header-title{font-size:14px}.settings-panel{width:100vw}}.toolcall-card{border-radius:var(--r-m);border:1px solid var(--c-border);background:var(--c-bg-warm);margin-bottom:12px;font-size:12.5px;overflow:hidden}.toolcall-header{background:var(--c-bg-sand);cursor:pointer;width:100%;color:var(--c-ink-2);font-family:inherit;font-size:inherit;text-align:left;border:none;align-items:center;gap:8px;padding:9px 14px;transition:background .12s;display:flex}.toolcall-header:hover{background:var(--c-border-s)}.toolcall-title{letter-spacing:.02em;flex:1;font-weight:600}.toolcall-running{color:var(--c-jin);margin-left:6px;font-size:11.5px;font-weight:400}.toolcall-chevron{color:var(--c-ink-3);align-items:center;display:flex}.toolcall-list{border-top:1px solid var(--c-border-s);flex-direction:column;gap:0;padding:6px 0;display:flex}.toolcall-item{border-left:2px solid #0000;padding:8px 14px}.toolcall-item+.toolcall-item{border-top:1px dashed var(--c-border-s)}.toolcall-item.running{border-left-color:var(--c-jin)}.toolcall-item.done{border-left-color:var(--c-yu)}.toolcall-item.error{border-left-color:var(--c-zhu)}.toolcall-row{align-items:center;gap:8px;display:flex}.tool-icon{flex-shrink:0;font-size:13px}.tool-icon.done{color:var(--c-yu)}.tool-icon.error{color:var(--c-zhu)}.tool-icon.spin{color:var(--c-jin);animation:1s linear infinite toolcall-spin}@keyframes toolcall-spin{to{transform:rotate(360deg)}}.toolcall-name{color:var(--c-ink-1);flex:1;font-weight:600}.toolcall-round{color:var(--c-ink-3);font-size:11px;font-family:var(--f-mono,monospace)}.toolcall-args{font-family:var(--f-mono,monospace);color:var(--c-ink-3);word-break:break-all;margin-top:4px;padding-left:21px;font-size:11.5px}.toolcall-summary{color:var(--c-ink-2);margin-top:4px;padding-left:21px;font-size:12px}.reasoning-popover-wrap{position:relative}.reasoning-trigger{border:1px solid var(--c-border-s);border-radius:var(--r-f);background:var(--c-bg-warm);color:var(--c-ink-2);cursor:pointer;white-space:nowrap;font-size:12px;font-weight:500;font-family:var(--f-ui);align-items:center;gap:5px;padding:4px 10px;transition:all .15s;display:inline-flex}.reasoning-trigger:hover:not(:disabled){border-color:var(--c-border);background:var(--c-bg-card);color:var(--c-ink-1)}.reasoning-trigger:disabled{opacity:.45;cursor:not-allowed}.reasoning-trigger-label{color:var(--c-ink-3);letter-spacing:.03em;font-size:11px}.reasoning-trigger-value{color:var(--c-zhu);font-weight:600}.reasoning-chevron{color:var(--c-ink-4);flex-shrink:0;transition:transform .18s}.reasoning-chevron.open{transform:rotate(180deg)}.reasoning-popover{background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--r-m);box-shadow:var(--sh-md);z-index:200;min-width:110px;animation:.14s popover-in;position:absolute;bottom:calc(100% + 8px);left:0;overflow:hidden}@keyframes popover-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.reasoning-option{width:100%;color:var(--c-ink-2);cursor:pointer;text-align:left;font-size:13px;font-weight:400;font-family:var(--f-ui);background:0 0;border:none;justify-content:space-between;align-items:center;gap:14px;padding:8px 12px;transition:background .1s;display:flex}.reasoning-option:hover{background:var(--c-bg-hover);color:var(--c-ink-1)}.reasoning-option.active{color:var(--c-zhu);font-weight:600}.reasoning-option-check{color:var(--c-zhu);flex-shrink:0}.thinking-indicator{border-radius:var(--r-m);border:1px solid var(--c-border);background:var(--c-bg-warm);margin-bottom:12px;font-size:12.5px;overflow:hidden}.thinking-indicator.is-active{border-color:var(--c-border-i);background:var(--c-zhu-s)}.thinking-header{cursor:pointer;width:100%;color:var(--c-ink-2);font-family:inherit;font-size:inherit;text-align:left;background:0 0;border:none;align-items:center;gap:8px;padding:9px 14px;transition:background .12s;display:flex}.thinking-header:hover{background:var(--c-bg-hover)}.thinking-icon{color:var(--c-ink-3);flex-shrink:0;align-items:center;display:inline-flex}.thinking-label{letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;flex:1;font-weight:500;overflow:hidden}.thinking-count{color:var(--c-ink-3);flex-shrink:0;font-size:11.5px}.shine-text{background:linear-gradient(90deg, var(--c-ink-3) 0%, var(--c-ink-3) 40%, var(--c-ink-1) 50%, var(--c-ink-3) 60%, var(--c-ink-3) 100%);color:#0000;-webkit-text-fill-color:transparent;background-size:200%;-webkit-background-clip:text;background-clip:text;animation:2.4s linear infinite shine-sweep}@keyframes shine-sweep{0%{background-position:200%}to{background-position:-200%}}.thinking-steps{border-top:1px solid var(--c-border);flex-direction:column;gap:6px;margin:0;padding:4px 14px 12px;list-style:none;display:flex}.thinking-step{color:var(--c-ink-2);align-items:center;gap:8px;padding-left:4px;font-size:12px;line-height:1.6;display:flex}.thinking-step-dot{background:var(--c-ink-3);border-radius:50%;flex-shrink:0;width:5px;height:5px}.thinking-step-label{flex:1}.thinking-step-round{color:var(--c-ink-3);font-variant-numeric:tabular-nums;font-size:11px}