.library-index,.article-view{width:100%;max-width:var(--max-wide);margin:0 auto;padding-right:var(--page-gutter-right);padding-left:var(--page-gutter-left)}.library-index{padding-top:clamp(72px,10vw,132px);padding-bottom:clamp(104px,14vw,180px)}.library-intro{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);align-items:end;gap:clamp(48px,9vw,132px);min-height:min(52vh,540px);padding-bottom:clamp(64px,9vw,112px)}.library-kicker,.library-section-label,.article-header__format,.related-content__heading>p{margin:0;color:var(--color-subtle);font-size:12px;font-weight:650;letter-spacing:.08em;text-transform:uppercase}.library-intro h1{margin:18px 0 0;font-size:clamp(68px,12vw,148px);font-weight:700;letter-spacing:-.075em;line-height:.82}.library-intro__copy{display:grid;gap:22px;padding-bottom:2px}.library-intro__copy p{margin:0;color:var(--color-muted);font-size:clamp(17px,1.8vw,23px);letter-spacing:-.025em;line-height:1.45}.library-featured,.library-scope,.library-index-list{border-top:1px solid var(--color-border);padding-top:18px}.library-featured,.library-scope{margin-top:clamp(72px,10vw,128px)}.library-featured__link{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.38fr);gap:clamp(30px,5vw,72px);padding:clamp(42px,7vw,82px) 0;border-bottom:1px solid var(--color-border)}.library-featured__meta{display:flex;grid-column:1 / -1;justify-content:space-between;gap:24px;color:var(--color-subtle);font-size:13px}.library-featured h2{max-width:780px;margin:0;font-size:clamp(38px,5.8vw,72px);font-weight:680;letter-spacing:-.058em;line-height:.98;text-wrap:balance}.library-featured__summary{display:flex;flex-direction:column;justify-content:space-between;gap:36px}.library-featured__summary p{margin:0;color:var(--color-muted);font-size:clamp(16px,1.6vw,20px);line-height:1.5}.library-featured__summary>span{display:inline-flex;align-items:center;align-self:flex-start;gap:8px;border-bottom:1px solid var(--color-border);padding-bottom:4px;font-size:14px;font-weight:600}.library-featured__link:hover h2,.library-featured__link:focus-visible h2,.library-featured__link:hover .library-featured__summary>span,.library-featured__link:focus-visible .library-featured__summary>span{color:var(--color-accent)}.library-scope__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px;border-bottom:1px solid var(--color-border)}.library-scope__list article{display:grid;grid-template-columns:minmax(100px,.34fr) minmax(0,.66fr);gap:28px;padding:30px 0;border-top:1px solid var(--color-border)}.library-scope__list article:nth-child(odd){padding-right:clamp(28px,5vw,64px)}.library-scope__list article:nth-child(2n){border-left:1px solid var(--color-border);padding-left:clamp(28px,5vw,64px)}.library-scope__list article:nth-child(-n+2){border-top:0}.library-scope h2{margin:0;font-size:clamp(20px,2.1vw,28px);font-weight:650;letter-spacing:-.035em}.library-scope__list p{margin:0;color:var(--color-muted);font-size:15px;line-height:1.55}.library-index-list{margin-top:clamp(84px,12vw,152px)}.library-index-list>div{margin-top:30px;border-bottom:1px solid var(--color-border)}.library-index-list article{border-top:1px solid var(--color-border)}.library-index-list article:first-child{border-top:0}.library-index-list a{display:grid;grid-template-columns:120px minmax(0,1fr) auto;align-items:baseline;gap:32px;padding:28px 0}.library-index-list__format,.library-index-list time{color:var(--color-subtle);font-size:13px}.library-index-list h2{margin:0;font-size:clamp(22px,2.7vw,34px);font-weight:630;letter-spacing:-.04em;line-height:1.1}.library-index-list a:hover h2,.library-index-list a:focus-visible h2{color:var(--color-accent)}.library-index__empty{margin:80px 0 0;color:var(--color-muted)}.article-view{padding-top:clamp(48px,7vw,92px);padding-bottom:clamp(112px,15vw,190px)}.article-header{max-width:1040px}.article-breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(64px,10vw,124px);color:var(--color-subtle);font-size:13px}.article-breadcrumbs a:hover,.article-breadcrumbs a:focus-visible{color:var(--color-text)}.article-header h1{max-width:980px;margin:20px 0 0;font-size:clamp(46px,7.4vw,88px);font-weight:690;letter-spacing:-.063em;line-height:.98;text-wrap:balance}.article-header__description{max-width:760px;margin:34px 0 0;color:var(--color-muted);font-size:clamp(19px,2.1vw,26px);letter-spacing:-.025em;line-height:1.46}.article-header__meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:32px;color:var(--color-subtle);font-size:13px}.article-header__meta span{display:inline-flex;flex-wrap:wrap;gap:6px}.article-video{position:relative;width:100%;margin-top:clamp(64px,9vw,112px);background:#000;aspect-ratio:16 / 9}.article-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.article-layout{display:grid;grid-template-columns:minmax(0,720px) minmax(180px,240px);justify-content:space-between;gap:clamp(56px,9vw,120px);margin-top:clamp(76px,10vw,128px)}.article-prose{min-width:0;color:#242426;font-size:17px;line-height:1.78}.article-prose>:first-child{margin-top:0}.article-prose h2,.article-prose h3{scroll-margin-top:calc(var(--nav-height) + 28px);color:var(--color-text);line-height:1.15;text-wrap:balance}.article-prose h2{margin:3.3em 0 .85em;font-size:clamp(29px,3.3vw,41px);letter-spacing:-.045em}.article-prose h3{margin:2.4em 0 .72em;font-size:23px;letter-spacing:-.025em}.article-prose p,.article-prose ul,.article-prose ol,.article-prose pre,.article-prose table,.article-prose img{margin-top:1.4em;margin-bottom:1.4em}.article-prose ul,.article-prose ol{padding-left:1.3em}.article-prose li+li{margin-top:.48em}.article-prose a{color:var(--color-accent-strong);text-decoration:underline;text-decoration-color:#2d523557;text-underline-offset:.2em}.article-prose blockquote{margin:2em 0;border-left:2px solid var(--color-text);padding-left:22px;color:var(--color-muted);font-size:1.08em}.article-prose code{border-radius:4px;padding:.12em .34em;background:var(--color-surface-muted);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.88em}.article-prose pre{overflow-x:auto;border:1px solid rgba(255,255,255,.08);padding:22px;background:#17202c;color:#f5f5f7;line-height:1.6;tab-size:2}.article-prose pre code{padding:0;background:transparent;color:inherit}.article-prose img{width:100%;height:auto}.article-prose table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px}.article-prose th,.article-prose td{min-width:140px;border-bottom:1px solid var(--color-border);padding:13px 16px;text-align:left}.article-prose th{background:var(--color-surface-muted);font-weight:650}.article-toc{position:sticky;top:calc(var(--nav-height) + 36px);align-self:start;border-left:1px solid var(--color-border);padding-left:22px}.article-toc>p{margin:0 0 14px;font-size:13px;font-weight:650}.article-toc ol{display:grid;gap:10px;margin:0;padding:0;color:var(--color-subtle);font-size:13px;line-height:1.4;list-style:none}.article-toc__nested{padding-left:12px}.article-toc a:hover,.article-toc a:focus-visible,.article-toc a[aria-current=location]{color:var(--color-text)}.article-toc a[aria-current=location]{font-weight:650}.related-content{margin-top:clamp(104px,15vw,180px);border-top:1px solid var(--color-border)}.related-content>section{display:grid;grid-template-columns:minmax(170px,.28fr) minmax(0,.72fr);gap:clamp(32px,7vw,96px);padding:clamp(38px,6vw,70px) 0;border-bottom:1px solid var(--color-border)}.related-content__heading h2{margin:16px 0 0;font-size:clamp(24px,3vw,38px);font-weight:650;letter-spacing:-.045em;line-height:1.05}.related-content__links{display:grid}.related-content__links a{display:grid;grid-template-columns:100px minmax(0,1fr) auto;align-items:baseline;gap:26px;padding:20px 0;border-top:1px solid var(--color-border)}.related-content__links a:first-child{border-top:0}.related-content__links span{color:var(--color-subtle);font-size:12px}.related-content__links strong{font-size:clamp(18px,2vw,25px);font-weight:600;letter-spacing:-.03em;line-height:1.2}.related-content__links a:hover strong,.related-content__links a:focus-visible strong{color:var(--color-accent)}.related-content__links--compact strong{max-width:650px;color:var(--color-muted);font-size:15px;font-weight:400;letter-spacing:0;line-height:1.5}html:lang(zh-CN) .library-intro h1,html:lang(zh-CN) .article-header h1{letter-spacing:-.05em}@media(max-width:820px){.library-intro,.library-featured__link,.article-layout,.related-content>section{grid-template-columns:1fr}.library-intro{align-items:start;min-height:0}.library-intro__copy{max-width:650px}.library-featured__summary{gap:28px}.article-toc{position:static;grid-row:1;border-top:1px solid var(--color-border);border-left:0;padding-top:20px;padding-left:0}.article-toc ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px}}@media(max-width:620px){.library-index{padding-top:56px}.library-intro{gap:38px;padding-bottom:58px}.library-intro h1{font-size:clamp(62px,21vw,96px)}.library-featured,.library-scope{margin-top:70px}.library-featured__meta{display:grid;justify-content:start;gap:6px}.library-featured h2{font-size:clamp(36px,11vw,54px)}.library-scope__list{grid-template-columns:1fr}.library-scope__list article{grid-template-columns:92px minmax(0,1fr)}.library-scope__list article:nth-child(odd),.library-scope__list article:nth-child(2n){border-left:0;padding-right:0;padding-left:0}.library-scope__list article:nth-child(2){border-top:1px solid var(--color-border)}.library-index-list a{grid-template-columns:1fr auto;gap:10px 18px}.library-index-list__format{grid-column:1}.library-index-list h2{grid-column:1 / -1;grid-row:2}.library-index-list time{grid-column:2;grid-row:1}.article-view{padding-top:38px}.article-breadcrumbs{margin-bottom:48px}.article-header h1{font-size:clamp(41px,12.5vw,62px)}.article-layout{gap:52px}.article-toc ol{grid-template-columns:1fr}.article-prose{font-size:16px;line-height:1.74}.article-prose pre,.article-prose table{width:auto;margin-right:calc(var(--page-gutter-right) * -1);margin-left:calc(var(--page-gutter-left) * -1)}.article-prose pre{padding-right:var(--page-gutter-right);padding-left:var(--page-gutter-left)}.related-content__links a{grid-template-columns:1fr auto;gap:8px 18px}.related-content__links strong{grid-column:1 / -1;grid-row:2}}
