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/* Revision 2: source-led editorial imagery and typography. */
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h1{font-size:clamp(55px,5.4vw,80px);line-height:1.04;letter-spacing:-.04em;max-width:680px;margin-bottom:28px}.hero-copy .lead{font-size:21px;max-width:540px;color:#40565d;text-wrap:pretty}.hero-copy .hero-note{font-size:13px;color:#40565d}.hero-copy .eyebrow{margin-bottom:30px;color:#086e78}.release-strip{display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line);padding-block:24px;margin-bottom:80px;font-size:15px}.release-strip a{display:flex;align-items:center;gap:9px}.release-strip a:last-child{margin-inline-start:auto}.release-strip strong{font-size:21px;font-weight:600}.release-strip>span{display:flex;align-items:center;gap:9px;color:var(--secondary)}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}.research-section{margin-bottom:86px}.section-heading h2{font-size:40px}.section-heading p{font-size:17px;max-width:710px}.paper-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.paper-card{min-width:0}.paper-cover{display:block;position:relative;aspect-ratio:1.55;overflow:hidden;border-radius:6px;background:var(--subtle)}.editorial-image{display:block;width:100%;height:100%;object-fit:cover}.paper-cover img{transition:transform 240ms ease}.paper-cover:hover img{transform:scale(1.025)}.cover-id{position:absolute;left:15px;bottom:15px;background:#f7f6f1e8;color:#142c38;border-radius:3px;padding:3px 9px;font:600 13px var(--sans)}.paper-content{padding-block:22px 12px}.paper-content .metadata{margin-bottom:13px;font-size:13px;justify-content:space-between}.paper-content h3,.paper-content h2{font:500 26px/1.22 var(--serif);letter-spacing:-.015em;margin-bottom:14px}.paper-content p{font-size:16px;line-height:1.5;color:var(--secondary);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.paper-content 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p{font-size:14px;margin-top:20px}.source-record .page-head{padding-bottom:40px}.source-record h1{max-width:1130px;font-size:clamp(40px,4.3vw,64px);margin-top:18px}.source-record .page-head .lead{max-width:1000px;font-size:20px;line-height:1.6}.source-record .provenance{padding-block:18px;border-block:1px solid var(--line);margin-block:25px}.source-record .actions{gap:20px}.article-cover{margin:0 0 60px}.article-cover>img{width:100%;height:410px;object-fit:cover;border-radius:6px}.article-cover figcaption,.scientific-figure figcaption{font:13px/1.5 var(--sans);color:var(--muted);margin-top:12px}.source-reading{display:grid;grid-template-columns:minmax(0,810px) 225px;gap:80px;justify-content:center;padding-bottom:80px}.source-reading article{min-width:0}.source-body h2{font:500 30px/1.25 var(--sans);margin-top:44px}.source-body h3{font-size:24px;margin-top:30px}.source-body p,.source-body li{font:400 19px/1.75 var(--serif);color:var(--ink);overflow-wrap:anywhere}.source-body 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p{font-size:13px;color:var(--secondary)}.article-aside hr{border:0;border-top:1px solid var(--line);margin-block:20px}.article-aside>span{color:var(--teal);font-size:13px}.attribution{border-top:1px solid var(--line);padding-top:22px;font-size:14px;color:var(--secondary);line-height:1.6;margin-top:40px}.publication-body{max-width:810px;margin-inline:auto;padding-bottom:90px}.publication-body p{font:400 19px/1.75 var(--serif);color:var(--ink);overflow-wrap:anywhere;white-space:pre-line}.publication-body h2{font:500 28px var(--sans);margin-top:40px}.publication-status{background:var(--subtle);padding:25px 30px;border-left:3px solid var(--teal);border-radius:4px}.publication-status h2{margin-top:0;font-size:23px}.publication-status p{font:16px/1.7 var(--sans);color:var(--secondary)}.scientific-figure{margin:40px 0}.scientific-figure img{display:block;width:100%;height:auto;background:white;border:1px solid var(--line);border-radius:5px}.repo-actions{margin-bottom:35px}.repo-actions .tag{margin-bottom:0}.repository-table{margin-bottom:80px}.repository-table table{min-width:800px}.repository-table td:first-child{min-width:330px;max-width:540px}.repository-table a{color:var(--teal)}.repository-table code{font-size:13px;white-space:nowrap}.docs-banner{background:var(--subtle);border-radius:7px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;align-items:center;margin-bottom:36px}.docs-banner>div{padding:35px}.docs-banner img{width:100%;height:280px;object-fit:cover}.docs-banner h2{font-size:32px}.docs-banner p{color:var(--secondary)}.spec-list{padding-bottom:70px}.spec-row{display:grid;grid-template-columns:44px 1fr 24px;gap:24px;align-items:center;padding-block:26px;border-bottom:1px solid var(--line)}.spec-row h2{font:500 24px/1.35 var(--sans);margin-bottom:10px}.spec-row .card-icon{margin:0}.endpoint-code{background:var(--subtle);color:var(--ink);border:1px solid var(--line);border-radius:5px;white-space:pre;font-size:12px}.ecosystem-link{font-size:14px;display:inline-flex;gap:10px;color:var(--teal)}.footer-bottom .icon{width:12px;height:12px}.footer-brand .wordmark{font-size:25px}.footer-brand .brand-v2{min-width:0}.breadcrumb{overflow-wrap:anywhere}.intro-note .text-link{font-size:14px}.filter-bar{gap:8px}.filter-button{padding-inline:12px;font-size:14px}.filter-bar .search-input{max-width:285px}
html[data-theme=dark] .hero-art-bg{background-image:linear-gradient(90deg,#111c22 0%,#111c22ed 22%,#111c2280 48%,#111c2230 75%),url('/assets/knowledge-landscape.webp');filter:brightness(.9)}html[data-theme=dark] .hero-copy .lead,html[data-theme=dark] .hero-copy .hero-note{color:var(--secondary)}html[data-theme=dark] .hero-copy .eyebrow{color:var(--teal)}
@media(min-width:1600px){.hero-layout{min-height:710px}.hero-copy h1{font-size:84px}}
@media(max-width:1279px){.hero-layout{min-height:620px;padding-block:65px}.hero-copy{width:62%}.hero-copy h1{font-size:66px}.hero-copy .lead{font-size:20px}.paper-grid{gap:24px}.paper-content h3,.paper-content h2{font-size:24px}.purpose-section{gap:40px}.purpose-copy h2{font-size:37px}.source-reading{grid-template-columns:minmax(0,810px);gap:0}.article-aside{display:none}.source-record .page-head .lead{font-size:19px}.access-section{gap:45px;padding:35px}.release-strip{gap:30px}.hero-art-bg{background-size:cover,auto 100%;background-repeat:no-repeat;background-position:center,right center}}
@media(max-width:767px){.hero-layout{min-height:760px;align-items:flex-start;padding-block:45px 300px}.hero-copy{width:100%}.hero-copy h1{font-size:57px;max-width:570px;line-height:1.08}.hero-copy .lead{font-size:20px;max-width:560px}.hero-copy .hero-note{font-size:12px}.hero-copy .eyebrow{font-size:13px;margin-bottom:24px}.hero-art-bg{background-image:linear-gradient(180deg,var(--bg) 0%,var(--bg) 48%,rgba(247,246,241,.85) 59%,transparent 78%),url('/assets/knowledge-landscape.webp');background-size:cover,auto 440px;background-position:center,right bottom;background-repeat:no-repeat}.release-strip{gap:18px;flex-wrap:wrap;padding-block:20px;margin-bottom:55px;font-size:14px}.release-strip>span{width:100%}.release-strip a:last-child{margin-inline-start:auto}.release-strip strong{font-size:18px}.section-heading h2{font-size:32px}.section-heading{flex-wrap:wrap;gap:12px}.section-heading p{font-size:16px}.section-heading .text-link{white-space:normal}.paper-grid{grid-template-columns:1fr 1fr;gap:26px 20px}.paper-content h3,.paper-content h2{font-size:23px}.paper-content .metadata{font-size:11px;gap:5px}.paper-content p{font-size:15px}.research-section{margin-bottom:55px}.purpose-section{grid-template-columns:1fr;gap:28px;margin-bottom:60px}.purpose-art img{aspect-ratio:1.6}.purpose-copy h2{font-size:34px}.purpose-copy p{font-size:18px}.journal-grid{grid-template-columns:1fr;gap:40px}.journal-copy h3,.journal-copy h2{margin-bottom:12px}.journal-copy h3,.journal-copy h2{font-size:27px}.journal-section{margin-bottom:55px}.access-section{grid-template-columns:1fr;gap:25px;padding:28px;margin-bottom:50px}.access-section h2{font-size:32px}.source-record .page-head{padding-bottom:32px}.source-record h1{font-size:40px;line-height:1.15}.source-record .page-head .lead{font-size:18px}.article-cover{margin-bottom:30px}.article-cover>img{height:280px}.source-body p,.source-body li,.publication-body p{font-size:18px}.source-body h2{font-size:25px}.publication-status{padding:20px}.publication-status p{font-size:15px}.docs-banner{grid-template-columns:1fr}.docs-banner img{height:200px}.docs-banner>div{padding:25px}.spec-row{grid-template-columns:32px 1fr 18px;gap:16px}.spec-row h2{font-size:21px}.spec-row .card-icon{width:32px;height:36px}.journal-index{padding-bottom:60px}.catalog-grid{padding-bottom:55px}html[data-theme=dark] .hero-art-bg{background-image:linear-gradient(180deg,#111c22 0%,#111c22 48%,#111c22c0 62%,#111c2255 85%),url('/assets/knowledge-landscape.webp')}}
@media(max-width:479px){.header-inner .wordmark{font-size:23px;letter-spacing:-1.1px}.header-inner .brand-v2{min-width:0;gap:8px}.header-inner .brand-symbol{width:26px;height:31px}.header-inner{gap:10px}.hero-layout{min-height:800px;padding-block:34px 280px}.hero-copy h1{font-size:48px;letter-spacing:-.035em}.hero-copy .lead{font-size:18px;line-height:1.6}.hero-copy .eyebrow{max-width:270px;align-items:flex-start;font-size:12px}.hero-copy .eyebrow .tiny-diamond{flex-shrink:0;margin-top:6px}.hero-art-bg{background-size:cover,auto 330px}.hero-copy .actions{gap:10px 18px}.hero-copy .button{font-size:15px;padding:12px 16px;gap:15px}.hero-copy .text-link{font-size:15px}.hero-note{max-width:270px}.release-strip{gap:14px;font-size:12px}.release-strip strong{font-size:17px}.paper-grid{grid-template-columns:1fr}.paper-cover{aspect-ratio:1.6}.paper-content h3,.paper-content h2{font-size:27px}.paper-content .metadata{font-size:13px}.paper-content p{font-size:16px}.section-heading h2{font-size:30px}.section-heading .text-link{font-size:14px}.section-heading .text-link .icon{display:block}.purpose-copy h2{font-size:33px}.purpose-art img{aspect-ratio:1.35}.source-record h1{font-size:35px;overflow-wrap:anywhere}.source-record .page-head .lead{font-size:17px}.source-record .actions{align-items:flex-start;gap:10px}.source-record .button{font-size:14px;padding-inline:15px}.source-record .provenance{font-size:12px;overflow-wrap:anywhere}.article-cover>img{height:210px}.source-reading{padding-bottom:50px}.source-body p,.source-body li{font-size:17px;line-height:1.75}.source-body h2{font-size:24px}.source-body .table-scroll{margin-inline:0}.source-body th,.source-body td{padding:12px;font-size:13px}.publication-body p{font-size:17px}.publication-status p{font-size:14px}.spec-row h2{font-size:19px}.spec-row{gap:12px}.spec-row .metadata{font-size:12px}.filter-bar .search-input{max-width:none}.release-strip a:last-child .icon{width:13px}.footer-brand .wordmark{font-size:26px}.footer-brand .brand-symbol{width:32px}.footer-brand .brand-v2{gap:10px}}
@media(max-width:359px){.header-inner .wordmark{font-size:20px;letter-spacing:-.9px}.header-inner .brand-symbol{width:24px}.header-inner .brand-v2{gap:6px}.hero-copy h1{font-size:44px}.hero-layout{min-height:850px}.hero-copy .lead{font-size:17px}.release-strip{font-size:11px}.release-strip>span{font-size:13px}}
@media(prefers-reduced-motion:reduce){.paper-cover:hover img{transform:none}}
@media(min-width:1280px){.hero-copy h1{max-width:620px}.hero-copy{width:58%}.hero-art-bg{background-image:linear-gradient(90deg,var(--bg) 2%,rgba(247,246,241,.96) 24%,rgba(247,246,241,.65) 42%,transparent 65%),url('/assets/knowledge-landscape.webp')}}
.status-row>div{min-width:0}.status-row code{overflow-wrap:anywhere;word-break:break-word;font-size:14px}.endpoint-code{max-width:100%}
@media(max-width:767px){.hero-art-bg{mask-image:linear-gradient(180deg,transparent 0%,transparent 57%,#000 82%);-webkit-mask-image:linear-gradient(180deg,transparent 0%,transparent 57%,#000 82%)}}
/* Language controls and consistent control spacing. */
:root{--control-height:48px;--control-pad-inline:16px;--menu-inset:8px;--menu-item-inset:12px}
.language-picker{position:relative;flex-shrink:0}.locale-trigger{display:flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:9px 11px;list-style:none;border:1px solid var(--line);border-radius:5px;cursor:pointer;background:var(--bg);font:400 15px/24px var(--sans);white-space:nowrap}.locale-trigger::-webkit-details-marker{display:none}.locale-trigger>.icon{width:14px;height:14px;color:var(--secondary)}.locale-trigger:hover,.language-picker[open]>.locale-trigger{border-color:var(--teal);color:var(--teal)}.locale-trigger:focus-visible{outline:2px solid var(--teal);outline-offset:4px}.language-flag{display:block;flex:none;width:24px;height:16px;border-radius:2px;box-shadow:0 0 0 1px #52676f35}.locale-panel{position:absolute;inset-inline-end:0;top:calc(100% + 9px);width:216px;padding:6px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 12px 32px #142c3820;z-index:15}.locale-option{width:100%;min-height:48px;display:grid;grid-template-columns:24px 1fr 18px;align-items:center;gap:12px;padding:12px;text-align:start;border-radius:4px;font:400 16px/24px var(--sans);background:transparent}.locale-option:hover{background:var(--subtle)}.locale-option[aria-pressed=true]{color:var(--teal);background:var(--teal-soft)}.locale-option:focus-visible{outline-offset:-2px}.locale-check{display:flex;align-items:center;justify-content:center;width:18px;height:24px}.locale-check .icon{width:17px;height:17px}.drawer-settings .locale-trigger{justify-content:flex-start;min-width:170px}.drawer-settings .locale-panel{top:auto;bottom:calc(100% + 8px);inset-inline-start:0;inset-inline-end:auto}.drawer-settings{gap:16px;align-items:center}
.search-input{box-sizing:border-box;min-height:var(--control-height);height:var(--control-height);padding:11px 15px;font-size:16px;line-height:24px;border-radius:5px;appearance:none}.search-input::placeholder{color:var(--muted);opacity:1}.search-trigger{min-height:44px;height:44px;padding:10px 12px;font-size:15px;line-height:22px;gap:10px}.search-trigger kbd{line-height:18px}.filter-button{min-height:44px;padding:10px 14px;line-height:22px;border-radius:5px}.popover{padding:var(--menu-inset);width:304px;top:calc(100% + 10px);left:-12px}.popover a{min-height:44px;padding:12px;line-height:24px}.popover small{margin-top:4px;font-size:14px;line-height:20px}.nav-item{padding-inline:8px;line-height:24px;gap:8px}.desktop-nav{gap:16px}.dialog-result{padding:14px 16px;line-height:24px}.dialog-result small{margin-top:4px;line-height:20px}.drawer-links a{min-height:48px;padding:14px 12px;font-size:20px;line-height:28px}.dialog-head{padding:16px 24px}.dialog-content{padding:24px}.header-inner{gap:24px}.utilities{gap:8px}.header-inner .icon-btn{flex-shrink:0}
@media(max-width:1279px){.header-inner .language-picker .locale-name,.header-inner .language-picker .locale-trigger>.icon{display:none}.header-inner .locale-trigger{width:44px;height:44px;min-height:44px;padding:8px;gap:0}.header-inner .language-picker{display:block}.header-inner .search-trigger{min-width:44px}.popover{max-width:calc(100vw - 40px)}}
@media(max-width:767px){.dialog-head{padding:16px 20px}.dialog-content{padding:20px}.drawer-settings .locale-panel{max-width:calc(100vw - 40px)}.filter-bar .search-input{max-width:none}.header-inner{gap:12px}}
@media(max-width:479px){.search-trigger{width:44px;min-width:44px;height:44px;padding:10px}.utilities{gap:4px}.header-inner{gap:8px}.header-inner .wordmark{font-size:20px;letter-spacing:-.9px}.header-inner .brand-symbol{width:24px}.header-inner .brand-v2{gap:6px}.drawer-links a{padding:12px;line-height:28px}.drawer-settings .locale-trigger{min-width:170px}}
@media(max-width:359px){.header-inner .wordmark{display:none}.header-inner .brand-symbol{width:28px;height:34px}.header-inner .brand-v2{min-width:28px}.header-inner{gap:10px}}
.doc-search{padding-block:20px 80px;border-top:1px solid var(--line)}.doc-search h2{margin:0 0 8px}.doc-search>p{color:var(--secondary);max-width:70ch}#search-form{display:flex;gap:12px;align-items:stretch;margin-block:20px}#search-form[hidden]{display:none}#search-form .search-input{max-width:none;margin:0;flex:1}#search-status{min-height:1.5em;color:var(--secondary);font-size:15px}#search-status[data-state=error]{color:var(--ink);background:var(--subtle);border-left:3px solid var(--teal);padding:10px 14px}.doc-results{list-style:none;margin:0 0 24px;padding:0}.doc-results .result{padding:20px 0;border-top:1px solid var(--line)}.result-title{margin:0 0 6px;font:600 20px/1.3 var(--serif)}.result-title a{overflow-wrap:anywhere}.result-snippet{margin:0 0 8px;overflow-wrap:anywhere}.result-meta,.result-note{margin:0 0 4px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.footer-credit{margin:0;padding-bottom:24px;font-size:13px;color:var(--muted)}.footer-credit a{text-decoration:underline;text-underline-offset:3px}.ecosystem-note{margin:12px 0 4px;font-size:14px;color:var(--secondary)}
@media(max-width:640px){#search-form{flex-direction:column}}
#page-search-form .button{margin-block:20px}.zh-notice{padding-top:0}
[hidden]{display:none!important}