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minmax(0,1fr)}.max-\[640px\]\:flex-col{flex-direction:column}.max-\[640px\]\:flex-wrap{flex-wrap:wrap}.max-\[640px\]\:items-start{align-items:flex-start}.max-\[640px\]\:items-stretch{align-items:stretch}.max-\[640px\]\:justify-center{justify-content:center}.max-\[640px\]\:justify-end{justify-content:flex-end}.max-\[640px\]\:gap-2{gap:8px}.max-\[640px\]\:gap-2\.5{gap:10px}.max-\[640px\]\:gap-3\.5{gap:14px}.max-\[640px\]\:gap-4{gap:16px}.max-\[640px\]\:overflow-x-visible{overflow-x:visible}.max-\[640px\]\:rounded-item{border-radius:11px}.max-\[640px\]\:border-l-0{border-left-style:var(--tw-border-style);border-left-width:0}.max-\[640px\]\:bg-transparent{background-color:#0000}.max-\[640px\]\:p-5{padding:20px}.max-\[640px\]\:p-6{padding:24px}.max-\[640px\]\:px-3\.5{padding-inline:14px}.max-\[640px\]\:px-4{padding-inline:16px}.max-\[640px\]\:px-4\.5{padding-inline:18px}.max-\[640px\]\:pt-5{padding-top:20px}.max-\[640px\]\:pt-5\.5{padding-top:22px}.max-\[640px\]\:pb-7{padding-bottom:28px}.max-\[640px\]\:pb-\[34px\]{padding-bottom:34px}.max-\[640px\]\:pb-\[calc\(72px\+env\(safe-area-inset-bottom\)\)\]{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.max-\[640px\]\:text-\[length\:var\(--reader-h2-size\)\]{font-size:var(--reader-h2-size)}.max-\[640px\]\:leading-\[1\.3\]{--tw-leading:1.3;line-height:1.3}.max-\[640px\]\:text-text-2{color:var(--text-2)}.max-\[640px\]\:shadow-none{--tw-shadow:0 0 #0000;box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.max-\[640px\]\:\[--shell-lessonbar\:48px\]{--shell-lessonbar:48px}.max-\[640px\]\:\[--shell-topbar\:58px\]{--shell-topbar:58px}}@media not all and (width>=560px){.max-\[560px\]\:col-start-2{grid-column-start:2}.max-\[560px\]\:hidden{display:none}.max-\[560px\]\:w-full{width:100%}.max-\[560px\]\:flex-none{flex:none}.max-\[560px\]\:grid-cols-\[40px_minmax\(0\,1fr\)\]{grid-template-columns:40px minmax(0,1fr)}.max-\[560px\]\:flex-col{flex-direction:column}.max-\[560px\]\:flex-col-reverse{flex-direction:column-reverse}.max-\[560px\]\:flex-wrap{flex-wrap:wrap}.max-\[560px\]\:items-start{align-items:flex-start}.max-\[560px\]\:gap-1{gap:4px}.max-\[560px\]\:gap-3{gap:12px}}@media not all and (width>=420px){.max-\[420px\]\:hidden{display:none}}@media not all and (width>=390px){.max-\[390px\]\:flex-col{flex-direction:column}.max-\[390px\]\:items-start{align-items:flex-start}.max-\[390px\]\:gap-0{gap:0}}@media not all and (width>=40rem){.max-sm\:min-h-11{min-height:44px}}@media (width>=641px){.min-\[641px\]\:col-span-full{grid-column:1/-1}.min-\[641px\]\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=900px){.min-\[900px\]\:flex{display:flex}}@media (width>=901px){.min-\[901px\]\:hidden{display:none}.min-\[901px\]\:w-\[300px\]{width:300px}}@media (width>=1101px){.min-\[1101px\]\:col-span-1{grid-column:span 1/span 1}.min-\[1101px\]\:grid-cols-\[minmax\(220px\,2fr\)_repeat\(5\,minmax\(120px\,1fr\)\)\]{grid-template-columns:minmax(220px,2fr) repeat(5,minmax(120px,1fr))}}@media (width>=1161px){.min-\[1161px\]\:hidden{display:none}}@media (width>=40rem){.sm\:col-span-1{grid-column:span 1/span 1}.sm\:size-\[170px\]{width:170px;height:170px}.sm\:w-auto{width:auto}.sm\:grid-cols-\[auto_minmax\(0\,1fr\)_auto\]{grid-template-columns:auto minmax(0,1fr) auto}}.\[\&_\[aria-current\=page\]\]\:max-w-\[180px\] [aria-current=page]{max-width:180px}.\[\&_\[aria-current\=page\]\]\:overflow-hidden [aria-current=page]{overflow:hidden}.\[\&_\[aria-current\=page\]\]\:text-ellipsis [aria-current=page]{text-overflow:ellipsis}.\[\&_\[aria-current\=page\]\]\:text-text [aria-current=page]{color:var(--text)}.\[\&_a\]\:font-semibold a{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.\[\&_a\]\:text-muted a{color:var(--muted)}.\[\&_a\]\:text-primary a{color:var(--primary)}.\[\&_a\]\:no-underline a{text-decoration-line:none}.\[\&_a\]\:underline-offset-4 a{text-underline-offset:4px}@media (hover:hover){.hover\:\[\&_a\]\:underline:hover a{text-decoration-line:underline}}.\[\&_blockquote\]\:my-5 blockquote{margin-block:20px}.\[\&_blockquote\]\:border-l-\[3px\] blockquote{border-left-style:var(--tw-border-style);border-left-width:3px}.\[\&_blockquote\]\:border-border blockquote{border-color:var(--border)}.\[\&_blockquote\]\:pl-4 blockquote{padding-left:16px}.\[\&_blockquote\]\:text-text-2 blockquote{color:var(--text-2)}.\[\&_blockquote\]\:italic blockquote{font-style:italic}.\[\&_code\:not\(pre_code\)\]\:rounded-inline code:not(pre code){border-radius:5px}.\[\&_code\:not\(pre_code\)\]\:bg-surface-2 code:not(pre code){background-color:var(--surface-2)}.\[\&_code\:not\(pre_code\)\]\:px-1\.5 code:not(pre code){padding-inline:6px}.\[\&_code\:not\(pre_code\)\]\:py-0\.5 code:not(pre code){padding-block:2px}.\[\&_code\:not\(pre_code\)\]\:font-mono code:not(pre code){font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace}.\[\&_code\:not\(pre_code\)\]\:text-\[length\:var\(--reader-code-size\)\] code:not(pre code){font-size:var(--reader-code-size)}.\[\&_code\:not\(pre_code\)\]\:text-primary code:not(pre code){color:var(--primary)}.\[\&_dd\]\:m-0 dd{margin:0}.\[\&_dd\]\:min-w-0 dd{min-width:0}.\[\&_dd\]\:text-right dd{text-align:right}.\[\&_dd\]\:font-mono dd{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace}.\[\&_dd\]\:text-label dd{font-size:12px;line-height:var(--tw-leading,1.4);font-weight:var(--tw-font-weight,600)}.\[\&_dd\]\:font-semibold dd{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.\[\&_dd\]\:break-all dd{word-break:break-all}.\[\&_dd\]\:tabular-nums dd{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.\[\&_div\]\:flex div{display:flex}.\[\&_div\]\:justify-between div{justify-content:space-between}.\[\&_div\]\:gap-3 div{gap:12px}.\[\&_div\]\:border-t div{border-top-style:var(--tw-border-style);border-top-width:1px}.\[\&_div\]\:border-border-soft div{border-color:var(--border-soft)}.\[\&_div\]\:py-2 div{padding-block:8px}.\[\&_dl\]\:m-0 dl{margin:0}.\[\&_dt\]\:flex-1 dt{flex:1}.\[\&_dt\]\:text-body-sm dt{font-size:13px;line-height:var(--tw-leading,1.6)}.\[\&_dt\]\:text-muted dt{color:var(--muted)}.\[\&_figcaption\]\:mt-2 figcaption{margin-top:8px}.\[\&_figcaption\]\:text-\[length\:var\(--reader-caption-size\)\] figcaption{font-size:var(--reader-caption-size)}.\[\&_figcaption\]\:text-muted figcaption{color:var(--muted)}.\[\&_figure\]\:my-5 figure{margin-block:20px}.\[\&_h1\]\:m-0 h1{margin:0}.\[\&_h1\]\:text-title h1{font-size:clamp(24px,3.5vw,30px);line-height:var(--tw-leading,1.22);letter-spacing:var(--tw-tracking,-.022em);font-weight:var(--tw-font-weight,800)}.\[\&_h2\]\:m-0 h2{margin:0}.\[\&_h2\]\:mt-0 h2{margin-top:0}.\[\&_h2\]\:mt-8 h2{margin-top:32px}.\[\&_h2\]\:mb-1 h2{margin-bottom:4px}.\[\&_h2\]\:scroll-mt-\[calc\(var\(--shell-topbar\)_\+_var\(--preview-banner\,0px\)_\+_var\(--shell-lessonbar\)_\+_var\(--reading-rail\)_\+_16px\)\] h2{scroll-margin-top:calc(var(--shell-topbar) + var(--preview-banner,0px) + var(--shell-lessonbar) + var(--reading-rail) + 16px)}.\[\&_h2\]\:text-item h2{font-size:15px;line-height:var(--tw-leading,1.35);letter-spacing:var(--tw-tracking,-.01em);font-weight:var(--tw-font-weight,600)}.\[\&_h2\]\:text-\[length\:var\(--reader-h2-lesson-size\)\] h2{font-size:var(--reader-h2-lesson-size)}.\[\&_h2\]\:leading-\[1\.35\] h2{--tw-leading:1.35;line-height:1.35}.\[\&_h2\]\:\[font-weight\:var\(--reader-heading-weight\)\] h2{font-weight:var(--reader-heading-weight)}.\[\&_h2\]\:tracking-\[-\.018em\] h2{--tw-tracking:-.018em;letter-spacing:-.018em}.\[\&_h2\]\:text-text h2{color:var(--text)}.\[\&_h3\]\:m-0 h3{margin:0}.\[\&_h3\]\:mt-6 h3{margin-top:24px}.\[\&_h3\]\:scroll-mt-\[calc\(var\(--shell-topbar\)_\+_var\(--preview-banner\,0px\)_\+_var\(--shell-lessonbar\)_\+_var\(--reading-rail\)_\+_16px\)\] h3{scroll-margin-top:calc(var(--shell-topbar) + var(--preview-banner,0px) + var(--shell-lessonbar) + var(--reading-rail) + 16px)}.\[\&_h3\]\:text-item h3{font-size:15px;line-height:var(--tw-leading,1.35);letter-spacing:var(--tw-tracking,-.01em);font-weight:var(--tw-font-weight,600)}.\[\&_h3\]\:text-\[length\:var\(--text-item\)\] h3{font-size:var(--text-item)}.\[\&_h3\]\:leading-\[1\.35\] h3{--tw-leading:1.35;line-height:1.35}.\[\&_h3\]\:\[font-weight\:var\(--reader-heading-weight\)\] h3{font-weight:var(--reader-heading-weight)}.\[\&_h3\]\:tracking-\[-\.01em\] h3{--tw-tracking:-.01em;letter-spacing:-.01em}.\[\&_h3\]\:text-text h3{color:var(--text)}.\[\&_h4\]\:m-0 h4{margin:0}.\[\&_h4\]\:mt-5 h4{margin-top:20px}.\[\&_h4\]\:text-body h4{font-size:14px;line-height:var(--tw-leading,1.65)}.\[\&_h4\]\:font-semibold h4{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.\[\&_h4\]\:text-text h4{color:var(--text)}.\[\&_h5\]\:mt-4 h5{margin-top:16px}.\[\&_h5\]\:text-body h5{font-size:14px;line-height:var(--tw-leading,1.65)}.\[\&_h5\]\:font-semibold h5{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.\[\&_h5\]\:text-text h5{color:var(--text)}.\[\&_i\]\:block i{display:block}.\[\&_i\]\:h-full i{height:100%}.\[\&_i\]\:rounded-chip i{border-radius:999px}.\[\&_i\]\:bg-brand i{background-color:var(--brand)}.\[\&_li\>ol\]\:mt-2 li>ol,.\[\&_li\>ul\]\:mt-2 li>ul{margin-top:8px}.\[\&_ol\]\:my-4 ol{margin-block:16px}.\[\&_ol\]\:list-decimal ol{list-style-type:decimal}:where(.\[\&_ol\]\:space-y-2\.5 ol>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(4px * 2.5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(4px * 2.5) * calc(1 - var(--tw-space-y-reverse)))}.\[\&_ol\]\:pl-6 ol{padding-left:24px}.\[\&_p\]\:m-0 p{margin:0}.\[\&_p\]\:my-\[var\(--reader-paragraph-gap\)\] p{margin-block:var(--reader-paragraph-gap)}.\[\&_p\]\:mt-0 p{margin-top:0}.\[\&_p\]\:mt-1 p{margin-top:4px}.\[\&_p\]\:mt-2 p{margin-top:8px}.\[\&_p\]\:mb-0 p{margin-bottom:0}.\[\&_p\]\:mb-1 p{margin-bottom:4px}.\[\&_p\]\:max-w-\[44ch\] p{max-width:44ch}.\[\&_p\]\:max-w-\[48ch\] p{max-width:48ch}.\[\&_p\]\:max-w-\[68ch\] p{max-width:68ch}.\[\&_p\]\:text-body p{font-size:14px;line-height:var(--tw-leading,1.65)}.\[\&_p\]\:text-body-sm p{font-size:13px;line-height:var(--tw-leading,1.6)}.\[\&_p\]\:text-muted p{color:var(--muted)}.\[\&_p\]\:text-text-2 p{color:var(--text-2)}.\[\&_small\]\:max-w-\[54ch\] small{max-width:54ch}.\[\&_small\]\:font-mono small{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace}.\[\&_small\]\:text-kicker small{font-size:11px;line-height:var(--tw-leading,1.2);letter-spacing:var(--tw-tracking,.09em);font-weight:var(--tw-font-weight,700)}.\[\&_small\]\:font-medium small{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.\[\&_small\]\:tracking-normal small{--tw-tracking:var(--tracking-normal);letter-spacing:var(--tracking-normal)}.\[\&_small\]\:text-muted small{color:var(--muted)}.\[\&_small\]\:tabular-nums small{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.\[\&_svg\]\:block svg{display:block}.\[\&_svg\]\:size-5 svg{width:20px;height:20px}.\[\&_svg\]\:size-6 svg{width:24px;height:24px}.\[\&_svg\]\:size-\[22px\] svg{width:22px;height:22px}.\[\&_table\]\:my-5 table{margin-block:20px}.\[\&_table\]\:block table{display:block}.\[\&_table\]\:w-full table{width:100%}.\[\&_table\]\:max-w-full table{max-width:100%}.\[\&_table\]\:border-collapse table{border-collapse:collapse}.\[\&_table\]\:overflow-x-auto table{overflow-x:auto}.\[\&_tbody_tr\:last-child_td\]\:border-b-0 tbody tr:last-child td{border-bottom-style:var(--tw-border-style);border-bottom-width:0}.\[\&_td\]\:border td{border-style:var(--tw-border-style);border-width:1px}.\[\&_td\]\:border-b td{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.\[\&_td\]\:border-border-soft td{border-color:var(--border-soft)}.\[\&_td\]\:p-3 td{padding:12px}.\[\&_td\]\:px-3 td{padding-inline:12px}.\[\&_td\]\:py-\[9px\] td{padding-block:9px}.\[\&_td\]\:text-left td{text-align:left}.\[\&_td\]\:text-body-sm td{font-size:13px;line-height:var(--tw-leading,1.6)}.\[\&_th\]\:border th{border-style:var(--tw-border-style);border-width:1px}.\[\&_th\]\:border-b th{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.\[\&_th\]\:border-border-soft th{border-color:var(--border-soft)}.\[\&_th\]\:bg-surface-2 th{background-color:var(--surface-2)}.\[\&_th\]\:p-3 th{padding:12px}.\[\&_th\]\:px-3 th{padding-inline:12px}.\[\&_th\]\:py-\[9px\] th{padding-block:9px}.\[\&_th\]\:text-left th{text-align:left}.\[\&_th\]\:text-label th{font-size:12px;line-height:var(--tw-leading,1.4);font-weight:var(--tw-font-weight,600)}.\[\&_th\]\:text-muted th{color:var(--muted)}.\[\&_th\]\:uppercase th{text-transform:uppercase}.\[\&_ul\]\:m-0 ul{margin:0}.\[\&_ul\]\:my-4 ul{margin-block:16px}.\[\&_ul\]\:list-disc ul{list-style-type:disc}:where(.\[\&_ul\]\:space-y-2\.5 ul>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(4px * 2.5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(4px * 2.5) * calc(1 - var(--tw-space-y-reverse)))}.\[\&_ul\]\:pl-6 ul{padding-left:24px}.\[\&\+\&\]\:before\:content-\[\'›\'\]+.\[\&\+\&\]\:before\:content-\[\'›\'\]:before{--tw-content:"›";content:var(--tw-content)}.\[\&\.is-active\]\:bg-brand-soft.is-active{background-color:var(--brand-soft)}.\[\&\.is-active\]\:text-primary.is-active{color:var(--primary)}.\[\&\.is-active\]\:before\:absolute.is-active:before{content:var(--tw-content);position:absolute}.\[\&\.is-active\]\:before\:left-\[-8px\].is-active:before{content:var(--tw-content);left:-8px}.\[\&\.is-active\]\:before\:hidden.is-active:before{content:var(--tw-content);display:none}.\[\&\.is-active\]\:before\:h-\[22px\].is-active:before{content:var(--tw-content);height:22px}.\[\&\.is-active\]\:before\:w-\[3px\].is-active:before{content:var(--tw-content);width:3px}.\[\&\.is-active\]\:before\:rounded-full.is-active:before{content:var(--tw-content);border-radius:2147483647px}.\[\&\.is-active\]\:before\:bg-brand.is-active:before{content:var(--tw-content);background-color:var(--brand)}.\[\&\>\.el-shell__topbar\]\:bg-surface>.el-shell topbar{background-color:var(--surface)}.\[\&\>dd\]\:m-0>dd{margin:0}.\[\&\>dd\]\:font-medium>dd{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.\[\&\>dd\]\:text-text-2>dd{color:var(--text-2)}.\[\&\>div\]\:grid>div{display:grid}.\[\&\>div\]\:gap-1>div{gap:4px}.\[\&\>dt\]\:text-muted>dt{color:var(--muted)}.\[\&\>li\]\:-ml-\[22px\]>li{margin-left:-22px}.\[\&\>li\]\:after\:w-\[44px\]>li:after{content:var(--tw-content);width:44px}@media not all and (width>=640px){.max-\[640px\]\:\[\&\>li\]\:ml-0>li{margin-left:0}}.\[\&\>pre\]\:m-0>pre{margin:0}.\[\&\>pre\]\:overflow-x-auto>pre{overflow-x:auto}.\[\&\>pre\]\:p-4>pre{padding:16px}.\[\&\>pre\]\:font-mono>pre{font-family:JetBrains 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