/* Generated from src/styles.css. Run npm run build. */
/* A shared, dependency-free design system for the academic website. */
:root { color-scheme: light; --ink: #1d1d1f; --secondary: #6e6e73; --blue: #0071e3; --link: #0066cc; --surface: #f5f5f7; --line: #dedee3; --content: 1080px; --radius: 28px; --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: #fff; font: 17px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
button, input { font: inherit; }
button, a, input, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: var(--link); text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
a, button, summary { touch-action: manipulation; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
svg { display: block; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.045em; }
h1, h2 { font-weight: 650; }
strong, b { font-weight: 600; }
::selection { color: #002b56; background: #cce5ff; }
[hidden] { display: none !important; }
.container { width: min(var(--content), calc(100% - 80px)); margin-inline: auto; }
.section { padding-block: 104px; }
.section-gray { background: var(--surface); }
.eyebrow { margin-bottom: 22px; color: var(--secondary); font-size: 11px; line-height: 1.4; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.section-title { font-size: clamp(36px, 4.3vw, 56px); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; }
.section-heading .eyebrow { margin-bottom: 16px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; white-space: nowrap; }
.text-link svg { width: 16px; height: 16px; transition: transform .2s ease; }
.text-link:hover svg { transform: translateX(3px); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 11px 24px; border: 0; border-radius: 100px; background: var(--blue); color: #fff; font-size: 14px; line-height: 1.5; font-weight: 500; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.button:hover { background: #0077ed; text-decoration: none; transform: translateY(-1px); }
.button svg { width: 16px; height: 16px; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 20px; border-radius: 8px; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Translucent navigation. */
.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid rgb(0 0 0 / 7%); background: rgb(255 255 255 / 86%); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); }
.navigation { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.wordmark { color: var(--ink); font-size: 19px; font-weight: 650; letter-spacing: -.045em; }
.wordmark:hover { text-decoration: none; }
.wordmark span { color: var(--secondary); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { position: relative; padding-block: 23px; color: var(--secondary); font-size: 12px; line-height: 22px; transition: color .2s ease; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--ink); text-decoration: none; }
.nav-link[aria-current="page"]::after { position: absolute; right: 0; bottom: 15px; left: 0; height: 2px; border-radius: 2px; background: var(--ink); content: ""; }
.nav-contact { min-height: 32px; padding: 6px 16px; font-size: 12px; }
.language-switch { display: inline-flex; align-items: center; flex-shrink: 0; gap: 2px; padding: 3px; border-radius: 100px; background: var(--surface); }
.language-link { display: inline-flex; align-items: center; justify-content: center; min-width: 35px; min-height: 27px; padding: 4px 8px; border-radius: 100px; color: var(--secondary); font-size: 10px; line-height: 1.5; }
.language-link:hover { color: var(--ink); text-decoration: none; }
.language-link[aria-current="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 4px rgb(0 0 0 / 7%); }
html[lang="zh-CN"] { --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; }
html[lang="zh-CN"] h2, html[lang="zh-CN"] h3, html[lang="zh-CN"] .hero-statement { letter-spacing: -.02em; line-height: 1.25; }
html[lang="zh-CN"] .eyebrow { letter-spacing: .1em; }
.menu-toggle { display: none; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 11px; border: 0; background: transparent; cursor: pointer; }
.menu-bars { position: relative; width: 19px; height: 12px; }
.menu-bars::before, .menu-bars::after { position: absolute; right: 0; left: 0; height: 1.5px; border-radius: 1px; background: var(--ink); content: ""; transition: transform .2s ease, top .2s ease; }
.menu-bars::before { top: 2px; }
.menu-bars::after { top: 10px; }
.menu-toggle[aria-expanded="true"] .menu-bars::before { top: 6px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bars::after { top: 6px; transform: rotate(-45deg); }
.announcement { padding: 12px 24px; background: var(--surface); color: #55555b; text-align: center; font-size: 12px; line-height: 1.6; }
.announcement a { margin-left: 8px; white-space: nowrap; }

/* Introduction. The original portrait remains the visual focal point. */
.hero { position: relative; overflow: hidden; padding-block: 92px 78px; }
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; align-items: center; gap: 72px; }
.hero .eyebrow { margin-bottom: 22px; color: #595960; font-size: 11px; }
.hero h1 { margin-left: -5px; font-size: clamp(48px, 5.6vw, 76px); line-height: 1.03; letter-spacing: -.065em; }
.hero-statement { margin-top: 22px; font-size: clamp(25px, 3vw, 36px); line-height: 1.18; letter-spacing: -.04em; font-weight: 500; }
.gradient-text { color: #2167ba; background: linear-gradient(105deg, #0071e3 5%, #5b59d4 70%, #9664bf); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-description { max-width: 420px; margin-top: 22px; color: var(--secondary); font-size: 16px; line-height: 1.7; }
.hero-description strong { color: #515158; font-weight: 500; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 30px; }
.portrait-wrap { position: relative; padding: 13px 13px 0; border: 1px solid #e8e8ed; border-radius: 34px; background: #f5f5f7; box-shadow: 0 16px 40px -28px rgb(0 0 0 / 30%); }
.portrait-wrap::before { position: absolute; z-index: -1; inset: -50px; border-radius: 50%; background: radial-gradient(ellipse, rgb(142 191 247 / 12%), transparent 68%); content: ""; }
.portrait { width: 100%; height: auto; aspect-ratio: 1 / 1.05; border-radius: 23px; object-fit: cover; }
.portrait-caption { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 9px 20px; font-size: 11px; line-height: 1.5; }
.portrait-caption strong { display: block; font-size: 12px; }
.portrait-caption span { color: var(--secondary); }
.location { display: flex; align-items: center; gap: 5px; color: var(--secondary); }
.location svg { width: 13px; height: 13px; }
.affiliations { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 66px; padding-top: 28px; border-top: 1px solid #e9e9ed; }
.affiliations-label { color: #86868b; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.affiliation { color: #6e6e73; font-size: 17px; font-weight: 600; letter-spacing: -.035em; }
.affiliation:first-of-type { font-size: 18px; }
.affiliation small { margin-left: 7px; font-size: 11px; font-weight: 400; letter-spacing: 0; }
.affiliation:hover { color: var(--ink); text-decoration: none; }

/* Research cards with custom, code-native vector artwork. */
.research-intro { max-width: 650px; margin-top: 22px; color: var(--secondary); font-size: 18px; line-height: 1.6; }
.research-grid { display: grid; grid-template-columns: 1.12fr 1fr 1fr; gap: 20px; margin-top: 42px; }
.research-card { position: relative; display: flex; flex-direction: column; min-height: 390px; overflow: hidden; padding: 30px 28px 26px; border-radius: var(--radius); background: #fff; }
.research-card .eyebrow { position: relative; z-index: 1; margin-bottom: 16px; font-size: 9px; letter-spacing: .11em; }
.research-card h3 { position: relative; z-index: 1; max-width: 260px; font-size: 29px; line-height: 1.12; letter-spacing: -.04em; }
.research-card p { position: relative; z-index: 1; max-width: 250px; margin-top: auto; color: var(--secondary); font-size: 13px; line-height: 1.65; }
.card-art { width: calc(100% + 24px); height: 170px; margin: 8px -12px 12px; overflow: visible; }
.research-card-blue { background: #eaf2ff; }
.research-card-blue h3 { color: #16365a; }
.research-card-blue .eyebrow { color: #50749e; }
.research-card-blue p { color: #526c89; }
.research-card-dark { background: #1d1d23; color: #f5f5f7; }
.research-card-dark .eyebrow, .research-card-dark p { color: #b4b4bf; }
.research-card-lilac { background: #efedf7; }
.research-card-lilac h3 { color: #383048; }
.research-card-lilac .eyebrow, .research-card-lilac p { color: #756c85; }
.research-detail { margin-top: 30px; color: var(--secondary); font-size: 14px; line-height: 1.8; }
.research-detail summary { display: inline-flex; align-items: center; gap: 8px; color: var(--link); cursor: pointer; list-style: none; }
.research-detail summary::-webkit-details-marker { display: none; }
.research-detail summary::after { content: "+"; font-size: 20px; line-height: 1; transition: transform .2s ease; }
.research-detail[open] summary::after { transform: rotate(45deg); }
.research-detail p { max-width: 820px; margin-top: 18px; }
.research-detail strong { color: #515158; }

/* Selected work. */
.featured-list { border-top: 1px solid var(--line); }
.featured-paper { display: grid; grid-template-columns: 150px 1fr 32px; align-items: start; gap: 28px; padding-block: 30px; border-bottom: 1px solid var(--line); color: inherit; }
.featured-paper:hover { text-decoration: none; }
.paper-tag { display: inline-flex; justify-self: start; padding: 5px 10px; border-radius: 6px; background: var(--surface); color: #63636b; font-size: 10px; line-height: 1.5; font-weight: 600; letter-spacing: .03em; }
.paper-tag-blue { background: #eaf3ff; color: #0066cc; }
.featured-paper h3 { max-width: 700px; font-size: 22px; line-height: 1.32; letter-spacing: -.025em; font-weight: 550; transition: color .2s ease; }
.featured-paper:hover h3 { color: var(--link); }
.featured-paper p { margin-top: 9px; color: var(--secondary); font-size: 13px; }
.paper-arrow { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 1px solid #dedee3; border-radius: 50%; color: var(--secondary); transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.paper-arrow svg { width: 14px; height: 14px; }
.featured-paper:hover .paper-arrow { color: var(--link); border-color: var(--link); transform: translate(2px, -2px); }
.featured-paper-with-demo { grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr); align-items: center; gap: 42px; padding-block: 36px; }
.featured-paper-info { min-width: 0; }
.featured-paper-info h3 { margin-top: 18px; font-size: 25px; line-height: 1.25; }
.featured-paper-info > p { margin-top: 16px; font-size: 14px; line-height: 1.75; }
.featured-title-link { color: inherit; }
.featured-paper-with-demo:hover h3 { color: inherit; }
.featured-title-link:hover { color: var(--link); text-decoration: none; }
.featured-read-link { margin-top: 22px; font-size: 13px; }
.featured-read-link svg { width: 14px; height: 14px; }
.paper-demo { min-width: 0; margin: 0; }
.paper-demo-frame { position: relative; overflow: hidden; border: 1px solid rgb(29 29 31 / 6%); border-radius: 20px; background: var(--surface); }
.paper-demo-image { display: block; width: 100%; height: auto; aspect-ratio: 5 / 3; object-fit: cover; }
.paper-demo-caption { margin-top: 10px; color: var(--secondary); font-size: 10px; line-height: 1.6; letter-spacing: .015em; }
.demo-toggle { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 5px; min-width: 70px; min-height: 34px; justify-content: center; padding: 7px 12px; border: 1px solid rgb(255 255 255 / 70%); border-radius: 100px; background: rgb(255 255 255 / 90%); color: #41414a; font-size: 10px; font-weight: 500; box-shadow: 0 2px 12px rgb(0 0 0 / 5%); cursor: pointer; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.demo-toggle:hover { background: #fff; }
.demo-toggle svg { width: 11px; height: 11px; }
.demo-icon-pause { display: none; }
[data-playing="true"] .demo-icon-play { display: none; }
[data-playing="true"] .demo-icon-pause { display: block; }
.publication-demo { width: 160px; }
.publication-demo .paper-demo-frame { border-radius: 12px; }
.publication-demo .demo-toggle { right: 5px; bottom: 5px; min-width: 28px; min-height: 28px; padding: 7px; }
.publication-demo [data-demo-label] { display: none; }
.publication-demo .paper-demo-caption { margin-top: 6px; font-size: 9px; }
.about-grid { display: grid; grid-template-columns: .85fr 1.3fr; gap: 90px; }
.biography { color: var(--secondary); font-size: 16px; line-height: 1.9; }
.biography strong { color: #515158; font-weight: 500; }
.education { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; padding-top: 28px; border-top: 1px solid var(--line); }
.education span { color: var(--secondary); font-size: 11px; }
.education h3 { margin-top: 8px; font-size: 17px; font-weight: 550; letter-spacing: -.025em; }
.education p { margin-top: 5px; color: var(--secondary); font-size: 12px; }

/* All original news and people are retained in native disclosures. */
.news-list, .talks-list, .people-list, .publication-list { margin: 0; padding: 0; list-style: none; }
.news-item { display: grid; grid-template-columns: 128px 1fr; gap: 30px; padding: 26px 0; border-top: 1px solid var(--line); }
.news-date { padding-top: 2px; color: var(--secondary); font-size: 11px; font-weight: 500; }
.news-content { color: var(--secondary); font-size: 14px; line-height: 1.8; }
.news-content > b { display: inline-block; margin-block: 4px; color: var(--ink); font-size: 16px; line-height: 1.5; letter-spacing: -.015em; font-weight: 550; }
.news-content em { font-size: 12px; line-height: 1.7; font-style: normal; }
.news-content em b { font-weight: 500; }
.news-content a { overflow-wrap: anywhere; }
.news-content strong { color: #515158; }
.archive { border-top: 1px solid var(--line); }
.archive > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 65px; color: var(--link); font-size: 13px; cursor: pointer; list-style: none; }
.archive > summary::-webkit-details-marker { display: none; }
.archive > summary::after { content: "+"; color: var(--secondary); font-size: 23px; font-weight: 300; }
.archive[open] > summary::after { content: "−"; }
.archive-count { margin-left: 8px; color: var(--secondary); font-size: 11px; }
.talks-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 44px; }
.talk-item { padding: 24px 0; border-top: 1px solid var(--line); color: var(--secondary); font-size: 14px; line-height: 1.8; }
.talk-item strong { color: var(--ink); font-weight: 500; }
.service-copy { max-width: 810px; margin-block: 32px; color: var(--secondary); font-size: 14px; line-height: 1.9; }
.service-copy strong { font-weight: 500; }
.people-group > summary { color: var(--ink); font-size: 16px; font-weight: 500; }
.people-group:last-child { border-bottom: 1px solid var(--line); }
.people-list { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 48px; padding-block: 15px 32px; color: var(--secondary); font-size: 12px; line-height: 1.8; }
.people-list strong { color: var(--ink); font-size: 14px; font-weight: 500; }
.contact-section { padding-block: 96px 80px; }
.contact-card { position: relative; overflow: hidden; padding: 64px 72px; border-radius: 32px; background: var(--surface); }
.contact-card .eyebrow { color: var(--link); }
.contact-card h2 { max-width: 700px; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.1; }
.contact-description { max-width: 720px; margin-top: 25px; color: var(--secondary); font-size: 15px; line-height: 1.85; }
.contact-description strong { font-weight: 500; }
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 30px; }
.contact-wechat { display: inline-flex; align-items: center; gap: 8px; color: var(--secondary); font-size: 15px; }
.contact-wechat strong { color: var(--ink); font-weight: 500; user-select: all; }
.quote { max-width: 620px; margin: 64px auto 0; color: var(--secondary); font-size: 18px; line-height: 1.6; text-align: center; letter-spacing: -.02em; }
.quote cite { display: block; margin-top: 14px; color: #86868b; font-size: 11px; font-style: normal; letter-spacing: 0; }
.site-footer { padding-block: 26px; border-top: 1px solid #e5e5ea; background: #fafafa; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-name { color: #6e6e73; font-size: 11px; }
.footer-name strong { color: #515158; font-weight: 500; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.footer-links a { color: #6e6e73; font-size: 11px; }
.footer-links a:hover { color: var(--ink); }

/* Searchable bibliography. */
.publications-hero { padding-block: 82px 52px; }
.publications-hero h1 { font-size: clamp(52px, 7.2vw, 88px); line-height: 1.04; letter-spacing: -.06em; }
.publications-intro { max-width: 580px; margin-top: 24px; color: var(--secondary); font-size: 18px; }
.publication-tools { padding-top: 12px; }
.publication-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.filter-group { display: flex; gap: 3px; padding: 4px; border-radius: 100px; background: var(--surface); }
.filter-button { min-width: 62px; min-height: 36px; padding: 6px 17px; border: 0; border-radius: 100px; background: transparent; color: var(--secondary); font-size: 12px; cursor: pointer; transition: background .2s ease, color .2s ease, box-shadow .2s ease; }
.filter-button:hover { color: var(--ink); }
.filter-button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 5px rgb(0 0 0 / 10%); }
.search-field { position: relative; display: flex; align-items: center; width: 285px; max-width: 100%; }
.search-field > svg { position: absolute; left: 15px; width: 16px; height: 16px; color: #86868b; pointer-events: none; }
.search-field input { width: 100%; height: 44px; padding: 11px 14px 11px 41px; border: 1px solid #dedee3; border-radius: 12px; background: #fff; color: var(--ink); font-size: 13px; }
.search-field input::placeholder { color: #86868b; }
.results-count { padding-block: 22px 6px; color: var(--secondary); font-size: 11px; }
.publication-list { padding-bottom: 60px; }
.publication-entry { display: grid; grid-template-columns: 78px 1fr; gap: 28px; padding-block: 31px; border-bottom: 1px solid #e8e8ed; }
.publication-year { padding-top: 4px; color: #86868b; font-size: 14px; letter-spacing: -.02em; }
.publication-title { max-width: 820px; font-size: 21px; line-height: 1.35; font-weight: 550; letter-spacing: -.025em; }
.publication-title a { color: inherit; }
.publication-title a:hover { color: var(--link); }
.publication-authors { margin-top: 11px; color: var(--secondary); font-size: 13px; line-height: 1.8; }
.publication-authors b { color: #515158; font-weight: 500; }
.publication-venue { margin-top: 12px; color: #6e6e73; font-size: 12px; }
.publication-venue em { font-style: normal; }
.publication-note { padding-bottom: 72px; color: var(--secondary); font-size: 11px; }
.publication-note a { margin-left: 8px; }
.section-label { margin-bottom: 4px; }
.publications-scholar { margin-top: 24px; }
.filter-group { max-width: 100%; overflow-x: auto; }
.filter-button { flex: 0 0 auto; }
.publication-entry > article { min-width: 0; }
.publication-with-cover { grid-template-columns: 78px 160px 1fr; }
.publication-cover { width: 160px; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border: 1px solid #e8e8ed; border-radius: 12px; }
.publication-summary { margin-top: 12px; color: var(--secondary); font-size: 13px; line-height: 1.8; }
.paper-original-title { margin-top: 10px; color: var(--secondary); font-size: 12px; line-height: 1.65; }
.featured-paper-info > .paper-original-title { margin-top: 10px; font-size: 12px; line-height: 1.65; }
.publication-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 14px; font-size: 12px; }
.publication-bibtex { margin-top: 14px; font-size: 12px; }
.publication-bibtex summary { width: fit-content; color: var(--link); cursor: pointer; }
.publication-bibtex pre { max-width: 100%; overflow-x: auto; margin-top: 12px; padding: 16px; border-radius: 12px; background: var(--surface); font: 11px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; }
.empty-results { padding: 64px 20px; text-align: center; }
.empty-results h2 { font-size: 26px; }
.empty-results p { margin-block: 12px 24px; color: var(--secondary); font-size: 14px; }

@media (min-width: 1500px) { .hero { padding-block: 112px 92px; } .hero-grid { gap: 100px; } }
@media (max-width: 1050px) {
  .container { width: calc(100% - 64px); }
  .hero-grid { grid-template-columns: 1.4fr 1fr; gap: 40px; }
  .hero h1 { font-size: clamp(44px, 5.8vw, 64px); }
  .hero-statement { font-size: 30px; }
  .research-card { padding: 26px 22px; }
  .research-card h3 { min-width: 0; font-size: 25px; }
  .about-grid { gap: 54px; }
  .affiliation small { display: none; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 48px); }
  .section { padding-block: 72px; }
  .section-heading { gap: 20px; margin-bottom: 32px; }
  .section-title { font-size: 38px; }
  .section-heading .text-link { font-size: 12px; }
  .navigation { min-height: 60px; }
  .nav-links { gap: 14px; }
  .nav-link { padding-block: 19px; }
  .nav-link[aria-current="page"]::after { bottom: 12px; }
  .nav-contact { padding: 6px 13px; }
  .hero { padding-block: 62px 45px; }
  .hero-grid { grid-template-columns: 1.2fr .85fr; gap: 28px; }
  .hero h1 { margin-left: -3px; font-size: clamp(34px, 5.8vw, 44px); }
  .hero .eyebrow { font-size: 9px; letter-spacing: .1em; }
  .hero-statement { font-size: 26px; }
  .hero-description { font-size: 13px; }
  .hero-actions { gap: 14px; margin-top: 24px; }
  .hero-actions .button { padding: 10px 17px; font-size: 12px; }
  .hero-actions .text-link { font-size: 12px; }
  .portrait-wrap { padding: 9px 9px 0; border-radius: 26px; }
  .portrait { border-radius: 17px; }
  .portrait-caption { padding: 12px 4px 14px; }
  .location { display: none; }
  .affiliations { margin-top: 46px; gap: 16px; padding-top: 23px; }
  .affiliations-label { max-width: 70px; font-size: 8px; }
  .affiliation, .affiliation:first-of-type { font-size: 13px; }
  .research-intro { font-size: 16px; }
  .research-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 30px; }
  .research-card { display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: 220px; padding: 30px; }
  .research-card .eyebrow { align-self: end; grid-column: 1; margin-bottom: 12px; }
  .research-card h3 { grid-column: 1; align-self: start; font-size: 28px; }
  .research-card .card-art { grid-column: 2; grid-row: 1 / 4; width: 100%; height: 160px; margin: 0; }
  .research-card p { grid-column: 1; margin-top: 17px; font-size: 12px; }
  .featured-paper { grid-template-columns: 100px 1fr 28px; gap: 20px; padding-block: 26px; }
  .featured-paper h3 { font-size: 18px; }
  .featured-paper-with-demo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 26px; }
  .featured-paper-info h3 { font-size: 20px; }
  .featured-paper-info > p { font-size: 12px; }
  .paper-tag { padding: 5px 8px; font-size: 9px; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-grid .section-title br { display: none; }
  .biography { font-size: 15px; }
  .education { margin-top: 36px; }
  .education h3 { font-size: 15px; }
  .news-item { grid-template-columns: 100px 1fr; gap: 24px; }
  .news-date { font-size: 10px; }
  .talks-list { gap: 0 30px; }
  .contact-section { padding-block: 64px; }
  .contact-card { padding: 42px 36px; border-radius: 26px; }
  .contact-description { font-size: 14px; }
  .quote { max-width: 440px; font-size: 16px; }
  .footer-links { gap: 18px; }
  .publications-hero { padding-block: 60px 36px; }
  .publications-hero h1 { font-size: 64px; }
  .publications-intro { font-size: 16px; }
  .publication-entry { grid-template-columns: 58px 1fr; gap: 18px; }
  .publication-with-cover { grid-template-columns: 58px 120px 1fr; }
  .publication-cover { width: 120px; }
  .publication-demo { width: 120px; }
  .publication-title { font-size: 19px; }
}
@media (max-width: 560px) {
  .container { width: calc(100% - 40px); }
  html { scroll-padding-top: 76px; }
  .wordmark { font-size: 18px; }
  .navigation { position: relative; }
  .menu-toggle { display: flex; margin-right: -10px; }
  .nav-links { position: absolute; top: 60px; right: -20px; left: -20px; display: flex; align-items: stretch; flex-direction: column; gap: 0; padding: 10px 24px 24px; border-bottom: 1px solid var(--line); background: #fff; }
  .js-enabled .nav-links { display: none; }
  .js-enabled .nav-links.is-open { display: flex; }
  .nav-link { padding: 15px 0; font-size: 19px; }
  .nav-link[aria-current="page"]::after { display: none; }
  .nav-contact { align-self: flex-start; min-height: 38px; margin-top: 14px; padding: 8px 18px; font-size: 13px; }
  .language-switch { align-self: flex-start; margin-block: 12px 4px; }
  .language-link { min-width: 45px; min-height: 32px; font-size: 12px; }
  html:not(.js-enabled) .site-header { position: relative; }
  html:not(.js-enabled) .navigation { align-items: flex-start; padding-top: 18px; }
  html:not(.js-enabled) .nav-links { position: static; padding: 0 0 18px 14px; border: 0; }
  html:not(.js-enabled) .nav-link { padding: 5px 0; font-size: 13px; }
  html:not(.js-enabled) .menu-toggle { display: none; }
  .announcement { padding: 11px 18px; font-size: 11px; }
  .announcement a { margin-left: 4px; }
  .hero { padding-block: 48px 36px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-copy { text-align: center; }
  .hero .eyebrow { margin-bottom: 18px; font-size: 9px; }
  .hero h1 { margin-left: 0; font-size: clamp(32px, 9.5vw, 48px); }
  .hero-statement { margin-top: 20px; font-size: 29px; }
  .hero-description { max-width: 320px; margin: 20px auto 0; font-size: 14px; }
  .hero-actions { justify-content: center; gap: 22px; margin-top: 26px; }
  .hero-actions .button { min-height: 44px; padding: 11px 20px; font-size: 13px; }
  .hero-actions .text-link { font-size: 13px; }
  .portrait-wrap { width: min(100%, 290px); margin-inline: auto; padding: 10px 10px 0; border-radius: 28px; }
  .portrait { aspect-ratio: 1.14 / 1; border-radius: 18px; }
  .portrait-caption { padding: 14px 7px 16px; }
  .location { display: flex; font-size: 10px; }
  .affiliations { flex-wrap: wrap; justify-content: center; gap: 17px 23px; margin-top: 35px; padding-top: 22px; text-align: center; }
  .affiliations-label { flex-basis: 100%; max-width: none; font-size: 9px; }
  .affiliation, .affiliation:first-of-type { font-size: 13px; }
  .section { padding-block: 60px; }
  .eyebrow { margin-bottom: 16px; font-size: 10px; }
  .section-title { font-size: 35px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 16px; margin-bottom: 28px; }
  .section-heading .text-link { font-size: 13px; }
  .research-intro { margin-top: 18px; font-size: 15px; }
  .research-card { min-height: 230px; padding: 25px 23px; border-radius: 24px; }
  .research-card h3 { font-size: 25px; }
  .research-card .eyebrow { font-size: 8px; }
  .research-card .card-art { width: 112%; margin-left: -2px; }
  .research-card p { font-size: 11px; line-height: 1.7; }
  .research-detail { font-size: 13px; }
  .featured-paper { grid-template-columns: 1fr 28px; gap: 12px; padding-block: 24px; }
  .featured-paper > .paper-tag { grid-column: 1; }
  .featured-paper > .paper-copy { grid-column: 1; }
  .featured-paper > .paper-arrow { grid-column: 2; grid-row: 2; }
  .featured-paper h3 { font-size: 19px; }
  .featured-paper p { font-size: 12px; }
  .featured-paper-with-demo { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-block: 28px; }
  .featured-paper-info h3 { margin-top: 13px; font-size: 22px; }
  .featured-paper-info > p { margin-top: 12px; font-size: 13px; }
  .featured-read-link { margin-top: 16px; }
  .paper-demo-frame { border-radius: 16px; }
  .demo-toggle { min-height: 36px; }
  .education { grid-template-columns: 1fr; gap: 20px; margin-top: 30px; }
  .education > div { padding-left: 17px; border-left: 2px solid #d7d7df; }
  .education h3 { margin-top: 3px; }
  .education p { margin-top: 2px; }
  .news-item { grid-template-columns: 1fr; gap: 9px; padding-block: 22px; }
  .news-date { font-size: 11px; }
  .news-content { font-size: 13px; }
  .news-content > b { font-size: 15px; }
  .talks-list, .people-list { grid-template-columns: 1fr; }
  .talk-item { padding-block: 20px; font-size: 13px; }
  .service-copy { font-size: 13px; }
  .people-list { gap: 20px; }
  .people-group > summary { font-size: 14px; }
  .contact-section { padding-block: 52px; }
  .contact-card { padding: 34px 26px; border-radius: 24px; }
  .contact-card h2 { font-size: 33px; }
  .contact-description { margin-top: 22px; font-size: 13px; }
  .contact-actions { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 24px; }
  .contact-actions .text-link, .contact-wechat { font-size: 12px; }
  .quote { margin-top: 40px; font-size: 16px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 15px; }
  .footer-links { gap: 23px; }
  .publications-hero { padding-block: 48px 32px; }
  .publications-hero h1 { font-size: 56px; }
  .publications-intro { margin-top: 20px; font-size: 15px; }
  .publication-toolbar { align-items: stretch; flex-direction: column; gap: 16px; }
  .filter-group { align-self: flex-start; }
  .filter-button { min-width: 60px; padding-inline: 15px; }
  .search-field { width: 100%; }
  .publication-entry { grid-template-columns: 1fr; gap: 10px; padding-block: 26px; }
  .publication-with-cover { grid-template-columns: 1fr; }
  .publication-cover { width: min(100%, 240px); margin-block: 4px 12px; }
  .publication-demo { width: min(100%, 300px); margin-block: 4px 12px; }
  .publication-year { font-size: 11px; }
  .publication-title { font-size: 19px; }
  .publication-authors { font-size: 12px; }
  .publication-list { padding-bottom: 36px; }
  .publication-note { padding-bottom: 48px; line-height: 1.8; }
}
@media (max-width: 360px) {
  .research-card { grid-template-columns: 1.2fr .8fr; }
  .research-card h3 { font-size: 23px; }
  .research-card .card-art { min-width: 0; }
  .hero-actions { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
@media print {
  .demo-toggle { display: none; }
  .site-header, .announcement, .hero-actions, .publication-toolbar, .contact-section, .footer-links, .skip-link { display: none; }
  body { font-size: 11pt; }
  .container { width: 100%; }
  .section { padding-block: 24px; }
  .section-gray, .research-card, .contact-card { background: #fff; }
  .hero { padding-block: 20px; }
  .hero-grid { grid-template-columns: 2fr 1fr; gap: 30px; }
  .hero h1 { font-size: 48px; }
  .portrait-wrap { max-width: 180px; }
  .featured-paper, .publication-entry, .research-card, .news-item { break-inside: avoid; }
  .publication-title { font-size: 14pt; }
  .publication-list { padding-bottom: 0; }
}