@font-face{font-family:Source Sans;src:url('fonts/source-sans-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Source Sans;src:url('fonts/source-sans-semibold.ttf') format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:Source Serif;src:url('fonts/source-serif-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:SHALL Sans SC;src:url('fonts/noto-sans-sc-regular.woff2?v=20261106-once') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:SHALL Sans SC;src:url('fonts/noto-sans-sc-semibold.woff2?v=20261106-once') format('woff2');font-weight:600;font-display:swap}
:root{--paper:#f7f6f2;--ink:#222820;--muted:#5c6258;--rule:#d8dbd1;--sage:#e9ece3;--accent:#355747;--inverse:#f7f6f2;--sans:'Source Sans','PingFang SC','Microsoft YaHei',sans-serif;--serif:'Source Serif','Songti SC','STSong',serif;--gutter:clamp(24px,4.5vw,72px);--max:1248px;--motion:180ms;--header-layer:10}
*{box-sizing:border-box}
html{scroll-padding-top:120px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:5px}
a:hover{color:var(--accent)}
a,button,summary{touch-action:manipulation}
button,summary{cursor:pointer}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
img{display:block;max-width:100%;height:auto}
svg{flex-shrink:0;vertical-align:middle}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-weight:600;line-height:1.2;text-wrap:balance}
.site-header,.site-main,.footer-inner{width:min(calc(100% - var(--gutter)*2),var(--max));margin-inline:auto}
.site-header{min-height:110px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:var(--header-layer)}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.wordmark{font-family:'Source Sans',sans-serif;font-size:34px;font-weight:600;letter-spacing:-.025em}
.brand-name{font-size:12px;letter-spacing:.025em;margin-top:5px}
.header-controls{display:flex;align-items:center;gap:25px}
.primary-nav{display:flex;align-items:center;gap:26px}
.primary-nav a,.language-link{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;text-decoration:none;font-size:16px}
.primary-nav a{position:relative}
.primary-nav a::after{content:'';height:1px;position:absolute;bottom:8px;inset-inline:0;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform var(--motion) ease-out}
.primary-nav a:hover::after,.primary-nav a[aria-current]::after{transform:scaleX(1)}
.language-link{border-left:1px solid var(--rule);padding-left:24px;min-width:64px}
.menu-toggle{display:none;border:0;background:transparent;min-height:44px;padding:0;gap:10px;align-items:center}
.skip-link{position:absolute;top:8px;left:20px;padding:12px 20px;background:var(--ink);color:var(--inverse);z-index:30;transform:translateY(-180%)}
.skip-link:focus{transform:translateY(0);color:var(--inverse)}
.site-main{padding-bottom:112px;min-height:calc(100vh - 350px)}
.intro{padding-top:55px}
.vision{font-family:var(--serif);font-weight:400;font-size:clamp(32px,3.05vw,44px);line-height:1.24;letter-spacing:-.025em;max-width:1210px;text-wrap:pretty}
.vision strong{font-family:var(--sans);font-weight:600}
.vision span{font-weight:400}
html[lang=zh-CN] .vision{font-size:clamp(29px,3vw,43px);line-height:1.55;letter-spacing:0}
.hero-art{margin-top:48px;border-radius:2px;overflow:hidden}
.hero-art img{width:100%;aspect-ratio:1672/941;object-fit:cover}
.section-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-bar h2{font-family:var(--serif);font-weight:400;font-size:34px}
.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:16px;text-decoration:none}
.text-link:hover{text-decoration:underline}
.home-research{margin-top:90px}
.selected-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}
.art-link{display:block;overflow:hidden;border-radius:2px;background:var(--sage)}
.art-link img{width:100%;aspect-ratio:1;object-fit:cover;transition:transform 350ms ease-out}
.art-link:hover img{transform:scale(1.025)}
.meta{font-size:14px;color:var(--muted);margin:24px 0 10px;line-height:1.5}
.research-copy h2,.research-copy h3{font-size:27px;letter-spacing:-.015em;line-height:1.22}
.research-copy h2 a,.research-copy h3 a{text-decoration:none;display:inline-block;min-height:44px}
.research-copy h2 a:hover,.research-copy h3 a:hover{text-decoration:underline}
.research-copy h2 svg,.research-copy h3 svg{margin-left:4px}
.abstract{color:var(--muted);margin-top:15px;font-size:17px;line-height:1.6;text-wrap:pretty}
.selected-grid .text-link{margin-top:14px}
.home-news{margin-top:96px}
.news-list{border-top:1px solid var(--rule)}
.news-item{display:grid;grid-template-columns:150px minmax(0,1fr);gap:36px;padding:33px 0;border-bottom:1px solid var(--rule);scroll-margin-top:32px}
.news-item time{font-size:15px;color:var(--muted);padding-top:4px;font-variant-numeric:tabular-nums}
.news-item h2,.news-item h3{font-size:25px;line-height:1.3;font-weight:600}
.news-item h2 a,.news-item h3 a{text-decoration:none;display:inline-block;min-height:44px;padding-block:5px}
.news-item h2 a:hover,.news-item h3 a:hover{text-decoration:underline}
.news-item p{max-width:74ch;margin-top:14px;color:var(--muted);font-size:17px;overflow-wrap:anywhere}
.page-heading{padding-top:45px;padding-bottom:53px}
.page-heading h1{font-size:64px;font-family:var(--serif);font-weight:400;letter-spacing:-.025em}
.research-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px;row-gap:76px}
.research-grid .research-card{min-width:0;scroll-margin-top:30px}
.research-grid .art-link img{aspect-ratio:1.35;object-fit:cover}
.research-grid .research-copy h2{font-size:30px}
.research-feature{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;padding-bottom:48px;border-bottom:1px solid var(--rule)}
.research-feature .art-link img{aspect-ratio:1;object-fit:contain}
.research-feature .meta{margin-top:0}
.research-feature .research-copy h2{font-size:37px}
.paper-links{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:20px}
.paper-links a{display:inline-flex;align-items:center;gap:6px;min-height:44px;min-width:44px;font-size:16px}
.citation{margin-top:10px;border-top:1px solid var(--rule);font-size:15px;color:var(--muted)}
.citation summary{min-height:44px;padding:10px 0;list-style-position:inside;width:fit-content}
.citation>div{padding:8px 0 16px;overflow-wrap:anywhere}
.citation .paper-title{color:var(--ink);font-weight:600;margin-bottom:10px}
.people-list{min-height:400px}
.person{display:block;width:min(330px,100%);text-decoration:none}
.person img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:2px}
.person h2{margin-top:22px;font-size:29px;display:flex;align-items:center;justify-content:space-between}
.person:hover h2{text-decoration:underline}
.empty-state{min-height:300px;border-top:1px solid var(--rule);padding-top:36px;color:var(--muted);font-family:var(--serif);font-size:26px}
.site-footer{background:var(--sage);padding:54px 0 45px}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:35px}
.footer-brand{font-size:32px;font-weight:600;text-decoration:none;line-height:1.15}
.footer-brand span{display:block;font-size:14px;font-weight:400;margin-top:10px}
.footer-inner nav{display:flex;flex-wrap:wrap;align-items:start;gap:14px 30px}
.footer-inner nav a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;font-size:16px;text-decoration:none}
.footer-inner nav a:hover{text-decoration:underline}
.back-top{grid-column:2;justify-self:end;display:flex;align-items:center;min-height:44px;gap:10px;text-decoration:none;font-size:14px}
.back-top svg{transform:rotate(-90deg)}
@media(min-width:1600px){.intro{padding-top:65px}.hero-art{margin-top:56px}}
@media(max-width:1000px){.header-controls{gap:16px}.primary-nav{gap:18px}.research-grid{column-gap:32px}.research-feature{gap:32px}.research-feature .research-copy h2{font-size:31px}.selected-grid{gap:24px}.research-copy h3{font-size:23px}.vision{font-size:38px}.news-item{grid-template-columns:120px 1fr;gap:24px}}
@media(max-width:700px){
 :root{--gutter:20px}
 .site-header{min-height:92px;gap:16px;flex-wrap:wrap;padding-block:18px}
 .wordmark{font-size:29px}.brand-name{font-size:10px}
 .header-controls{gap:18px}.language-link{border:0;padding:0;min-width:44px}
 .menu-toggle{display:inline-flex;font-size:15px;min-width:60px}
 .primary-nav{position:absolute;left:0;right:0;top:100%;padding:16px 20px 22px;background:var(--paper);border-bottom:1px solid var(--rule);gap:5px;flex-direction:column;align-items:stretch}
 .primary-nav a{justify-content:flex-start;font-size:20px;min-height:48px}.primary-nav a::after{display:none}.primary-nav a[aria-current]{text-decoration:underline}
 .js .primary-nav{display:none}.js .primary-nav[data-open=true]{display:flex}
 html:not(.js) .site-header{padding-bottom:0}html:not(.js) .primary-nav{position:static;flex-direction:row;flex-wrap:wrap;padding:12px 0;gap:20px}html:not(.js) .header-controls{flex-wrap:wrap}html:not(.js) .menu-toggle{display:none}
 .intro{padding-top:30px}.vision{font-size:31px;line-height:1.3;letter-spacing:-.02em}html[lang=zh-CN] .vision{font-size:29px;line-height:1.5}
 .hero-art{margin-top:32px}.hero-art img{aspect-ratio:1.5;object-fit:cover}
 .home-research{margin-top:55px}.section-bar{margin-bottom:24px;gap:12px}.section-bar h2{font-size:29px}.text-link{font-size:15px;gap:6px}
 .selected-grid{grid-template-columns:1fr;gap:42px}.selected-grid .art-link img{aspect-ratio:1.3}.research-copy h3{font-size:27px}.meta{margin-top:18px}
 .home-news{margin-top:64px}.news-item{grid-template-columns:1fr;gap:10px;padding:25px 0}.news-item h2,.news-item h3{font-size:23px}.news-item time{padding:0}
 .site-main{padding-bottom:64px}.page-heading{padding-top:31px;padding-bottom:34px}.page-heading h1{font-size:46px}
 .research-grid{grid-template-columns:1fr;gap:48px}.research-feature{display:block;grid-column:auto;border:0;padding:0}.research-feature .meta{margin-top:18px}.research-grid .art-link img{aspect-ratio:1.2}.research-grid .research-copy h2,.research-feature .research-copy h2{font-size:28px}
 .abstract{font-size:17px}.people-list{min-height:360px}.person{width:min(310px,100%)}.empty-state{min-height:220px;font-size:24px}
 .site-footer{padding:38px 0}.footer-inner{grid-template-columns:1fr;gap:26px}.footer-inner nav{gap:12px 28px}.back-top{grid-column:1;justify-self:start}
}
@media(prefers-reduced-motion:reduce){.art-link img,.primary-nav a::after{transition:none}.art-link:hover img{transform:none}}
html[lang=zh-CN]{--sans:'SHALL Sans SC','PingFang SC','Microsoft YaHei',sans-serif;--serif:var(--sans)}
html[lang=zh-CN] .brand-name,html[lang=zh-CN] .footer-brand{font-family:'Source Sans',sans-serif}
html[lang=zh-CN] .research-copy h2,html[lang=zh-CN] .research-copy h3,html[lang=zh-CN] .news-item h2,html[lang=zh-CN] .news-item h3{letter-spacing:0;line-height:1.4}
html[lang=zh-CN] .page-heading h1,html[lang=zh-CN] .section-bar h2{font-weight:600;letter-spacing:0;line-height:1.3}
html[lang=zh-CN] .abstract,html[lang=zh-CN] .news-item p{line-height:1.75}

/* The image field is the sole animated focal sequence. */
.page-index .intro{padding-top:48px}
.mission{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(36px,6vw,96px);align-items:center;margin-bottom:46px}
.page-index .vision{font-family:var(--sans);font-size:clamp(36px,4.1vw,57px);font-weight:600;line-height:1.09;letter-spacing:-.035em;text-wrap:balance}
.vision-detail{font-family:var(--serif);font-size:clamp(19px,1.7vw,23px);line-height:1.5;text-wrap:pretty}
html[lang=zh-CN] .page-index .vision{font-size:clamp(32px,3.5vw,49px);line-height:1.3;letter-spacing:0}
html[lang=zh-CN] .vision-detail{font-size:19px;line-height:1.85}
.page-index .vision-statement{display:block;font-weight:inherit}
.art-gallery{margin-inline:calc(var(--gutter) * -.55)}
.art-stage{display:grid;grid-template-columns:repeat(8,1fr);gap:18px;overflow:hidden}
.art-tile{min-width:0}
.art-tile img{width:100%;height:100%;aspect-ratio:1;object-fit:cover}
.is-ready .art-stage{position:relative;display:block;height:clamp(620px,55vw,780px);contain:layout paint}
.is-ready .art-tile{position:absolute;left:0;top:0;width:640px;height:640px;transform-origin:0 0;pointer-events:none}
.art-controls{display:flex;justify-content:flex-end;padding:14px 0 0;margin-inline:calc(var(--gutter) * .55)}
.art-controls[hidden]{display:none}
.art-controls [hidden]{display:none}
.art-controls button{height:44px;width:44px;padding:10px;border:1px solid var(--rule);background:var(--paper);border-radius:12px;display:inline-flex;align-items:center;justify-content:center}
.art-controls button:hover{background:var(--sage)}
.page-index .home-research{margin-top:92px}
.page-index .research-copy h3{font-size:25px}
@media(max-width:1000px){.mission{gap:35px}.page-index .vision{font-size:42px}.vision-detail{font-size:19px}}
@media(max-width:700px){
 .page-index .intro{padding-top:25px}.mission{display:block;margin-bottom:26px}
 .page-index .vision{font-size:36px;line-height:1.13;max-width:580px}
 .vision-detail{font-size:18px;line-height:1.55;margin-top:22px;max-width:58ch}
 html[lang=zh-CN] .page-index .vision{font-size:32px;line-height:1.35}
 html[lang=zh-CN] .vision-detail{font-size:16px;line-height:1.8}
 .art-gallery{margin-inline:0}.art-stage{grid-template-columns:repeat(3,1fr);gap:10px}
 .art-tile:nth-child(n+25){display:none}.is-ready .art-stage{height:650px}
 .art-controls{margin-inline:0}
 .page-index .home-research{margin-top:60px}.page-index .research-copy h3{font-size:25px}
}
@media(max-width:360px){.page-index .vision{font-size:32px}.is-ready .art-stage{height:600px}}