/* A quiet editorial layout, built with local fonts and native browser features. */
:root {
  --page: #f8f7f4;
  --surface: #fffefd;
  --ink: #253746;
  --heading: #203e52;
  --body: #4d5962;
  --muted: #626d75;
  --line: #dedfda;
  --accent: #32627a;
  --tint: #edf1f1;
  --card-bg: #f0f3f2;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; background: var(--page); color: var(--body); font-family: var(--sans); font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
::selection { background: #dbe7ea; color: var(--heading); }
a { color: var(--accent); text-decoration: none; text-underline-offset: 4px; }
a:hover { color: var(--heading); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
button:disabled { cursor: default; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { color: var(--heading); }
svg { flex-shrink: 0; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.container { width: min(1140px, calc(100% - 96px)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 10px 18px; color: white; background: var(--heading); }
.skip-link:focus { top: 10px; }
.icon { vertical-align: middle; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(248, 247, 244, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { height: 85px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { display: flex; align-items: center; gap: 18px; color: var(--heading); white-space: nowrap; }
.monogram { font-family: var(--serif); font-size: 35px; letter-spacing: -3px; line-height: 1; }
.monogram > span { color: #698f9c; }
.wordmark-name { font-size: 13px; font-weight: 600; letter-spacing: .01em; padding-left: 19px; border-left: 1px solid #d0d5d4; }
.site-nav { display: flex; gap: 31px; align-items: center; }
.site-nav a { font-size: 13px; font-weight: 500; color: var(--body); position: relative; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--accent); }
.site-nav a[aria-current]::after { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); position: absolute; bottom: -11px; left: calc(50% - 2px); }
.site-nav .nav-contact { display: inline-flex; align-items: center; gap: 7px; margin-left: 3px; padding-left: 27px; border-left: 1px solid var(--line); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 264px; gap: 88px; align-items: center; padding: 77px 22px 72px 0; border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; display: flex; align-items: center; gap: 12px; }
.eyebrow-line { height: 1px; width: 28px; background: #7a9eaa; }
h1 { margin: 19px 0 6px; font-family: var(--serif); font-size: clamp(48px, 5.35vw, 72px); font-weight: 400; letter-spacing: -.052em; line-height: 1.1; }
.alternate-name { display: flex; align-items: center; gap: 16px; color: var(--muted); font-size: 15px; }
.alternate-name [lang='zh'] { font-size: 19px; letter-spacing: .13em; color: var(--body); }
.name-divider { color: #b4bcbd; font-size: 13px; }
.hero-affiliation { margin-top: 28px; font-size: 14px; line-height: 1.75; }
.hero-affiliation .role { color: var(--heading); font-weight: 600; font-size: 16px; margin-bottom: 2px; }
.profile-links { display: flex; gap: 23px; flex-wrap: wrap; align-items: center; margin-top: 27px; }
.profile-links > a { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 500; }
.profile-links > a:not(.button):hover { text-decoration: underline; }
.button { display: inline-flex; gap: 9px; align-items: center; justify-content: center; padding: 10px 17px; border: 1px solid transparent; border-radius: 4px; transition: background-color .2s; }
.button-primary { background: var(--heading); color: var(--page); }
.button-primary:hover { background: #355a6f; color: white; }
.portrait-block { position: relative; width: 264px; margin-top: 0; }
.portrait-frame { position: relative; isolation: isolate; }
.portrait-frame::before { content: ''; position: absolute; z-index: -1; inset: -13px -15px 13px 15px; background: #e4ebeb; border: 1px solid #d9e2e2; border-radius: 3px; }
.portrait-frame img { width: 264px; height: 294px; object-fit: cover; border-radius: 2px; }
.portrait-block figcaption { display: flex; align-items: center; gap: 9px; margin-top: 16px; color: var(--muted); font-size: 10px; letter-spacing: .045em; }
.location-dot { width: 5px; height: 5px; border-radius: 50%; background: #6d9397; }
.portrait-caption-line { height: 1px; flex: 1; background: var(--line); margin-left: 9px; }
.overview-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); align-items: start; gap: 68px; padding-top: 58px; }
.section-heading { display: flex; align-items: center; gap: 16px; }
.section-number { font-size: 10px; font-weight: 500; letter-spacing: .05em; color: #5f717b; white-space: nowrap; }
h2 { font-family: var(--serif); font-size: 32px; line-height: 1.3; font-weight: 400; letter-spacing: -.025em; }
.biography { margin-top: 24px; font-size: 14px; line-height: 1.9; }
.biography p + p { margin-top: 15px; }
.biography a { border-bottom: 1px solid #bccbd0; }
.biography a:hover { border-color: var(--accent); }
.research-summary { border-left: 2px solid #a5bac0; padding-left: 17px; margin: 23px 0 19px; font-size: 13px; line-height: 1.85; }
.text-link { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 500; }
.text-link:hover { text-decoration: underline; }
.news-panel { padding: 25px 27px 20px; background: #efefeb; border: 1px solid #e4e5de; border-radius: 5px; }
.news-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 19px; }
.news-heading h2 { font-size: 22px; }
.news-dot { height: 6px; width: 6px; background: #7b9797; border-radius: 50%; }
.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li + li { margin-top: 17px; padding-top: 16px; border-top: 1px solid #dadfd9; }
.news-list time { font-size: 10px; color: #576d79; font-variant-numeric: tabular-nums; letter-spacing: .045em; display: block; margin-bottom: 4px; }
.news-list li > div { font-size: 12px; line-height: 1.8; }
.news-list a { color: var(--heading); text-decoration: underline; text-decoration-color: #bfc8c8; text-decoration-thickness: 1px; }
.news-list a:hover { text-decoration-color: var(--heading); }
.news-archive { margin-top: 18px; padding-top: 13px; border-top: 1px solid #d9ded8; }
.news-archive summary { cursor: pointer; font-size: 11px; font-weight: 500; color: var(--accent); display: flex; align-items: center; justify-content: space-between; list-style: none; }
.news-archive summary::-webkit-details-marker { display: none; }
.news-archive summary .icon { width: 14px; height: 14px; }
.news-archive[open] summary .icon { transform: rotate(180deg); }
.news-archive .news-list { margin-top: 20px; }
.archive-open, .news-archive[open] .archive-closed { display: none; }
.news-archive[open] .archive-open { display: inline; }
.research-section { margin-top: 68px; }
.section-intro { margin-top: 11px; font-size: 13px; }
.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; margin-top: 25px; }
.research-card { --card-bg: #edf1f1; background: var(--card-bg); display: flex; flex-direction: column; padding: 20px 23px 21px; border: 1px solid #dce3e2; border-radius: 5px; transition: border-color .2s, transform .2s; color: #386178; }
.research-card:nth-child(2) { --card-bg: #f0f1eb; color: #627569; border-color: #e0e3d8; }
.research-card:nth-child(3) { --card-bg: #f2efea; color: #8a7260; border-color: #e5dfd6; }
.research-card:hover { color: inherit; transform: translateY(-3px); border-color: #9bafb2; }
.research-card-top { display: flex; align-items: center; justify-content: space-between; font-size: 10px; font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.research-card-top .icon { width: 17px; height: 17px; }
.research-graphic { display: block; width: min(100%, 240px); height: 72px; margin: 12px auto 18px; }
.research-card h3 { font-size: 16px; font-weight: 600; line-height: 1.45; letter-spacing: -.02em; }
.research-card p { font-size: 12px; line-height: 1.8; color: var(--body); margin-top: 7px; margin-bottom: 18px; }
.card-link { display: flex; align-items: center; gap: 8px; font-size: 10px; font-weight: 500; margin-top: auto; color: var(--accent); }
.card-link .icon { width: 14px; height: 14px; }
.interest-lines { margin-top: 19px; font-size: 11px; line-height: 1.9; color: var(--muted); }
.interest-lines p + p { margin-top: 3px; }
.interest-lines span { color: var(--body); font-weight: 600; margin-right: 11px; }
.publications-section { margin-top: 65px; padding-top: 43px; border-top: 1px solid var(--line); }
.section-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.scholar-link { font-size: 11px; }
.publication-toolbar { margin-top: 26px; }
.publication-filters { display: flex; gap: 7px; flex-wrap: wrap; }
.filter-button { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 4px; padding: 7px 14px; background: transparent; color: var(--body); font-size: 11px; cursor: pointer; transition: background-color .15s, border-color .15s, color .15s; }
.filter-button:hover { border-color: #9caeb6; color: var(--heading); }
.filter-button.is-active { color: white; background: var(--heading); border-color: var(--heading); }
.filter-button > span { font-size: 10px; opacity: .65; }
.publication-note { margin: 17px 0 16px; font-size: 10px; color: var(--muted); }
.publication-note > span:not(.visually-hidden) { margin-left: 6px; }
.publication-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.publication-card { display: flex; flex-direction: column; min-width: 0; background: var(--surface); border: 1px solid #e0e3df; border-radius: 5px; padding: 23px 25px 20px; transition: border-color .2s; }
.publication-card:hover { border-color: #afbec1; }
.publication-meta { display: flex; align-items: center; gap: 9px; font-size: 10px; line-height: 1.5; margin-bottom: 13px; }
.venue { background: #eaf0f3; color: #35586e; font-weight: 600; padding: 4px 8px; border-radius: 3px; letter-spacing: .01em; }
.publication-year { color: var(--muted); font-variant-numeric: tabular-nums; }
.publication-category { color: var(--muted); margin-left: auto; font-size: 9px; }
.publication-card h3 { font-family: var(--serif); font-size: 21px; font-weight: 400; line-height: 1.45; letter-spacing: -.012em; }
.authors { margin: 12px 0 21px; font-size: 11px; line-height: 1.9; color: var(--muted); }
.authors strong { color: #3e5260; font-weight: 600; }
.authors sup { font-size: 9px; line-height: 0; }
.publication-bottom { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid #edf0eb; padding-top: 13px; margin-top: auto; }
.publication-topic { font-size: 9px; color: var(--muted); }
.paper-links { display: flex; flex-wrap: wrap; gap: 14px; }
.paper-links a { display: inline-flex; gap: 5px; align-items: center; font-size: 10px; font-weight: 500; }
.paper-links a:hover { text-decoration: underline; }
.paper-links .icon { width: 13px; height: 13px; }
.paper-links .icon:last-child { width: 11px; height: 11px; color: #778f9a; }
.contact-section { background: #eaf0f0; border: 1px solid #dbe4e3; border-radius: 5px; padding: 31px 34px; margin-top: 52px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.contact-section .eyebrow { font-size: 9px; letter-spacing: .16em; margin-bottom: 5px; }
.contact-section h2 { font-size: 30px; }
.contact-section p:last-child { font-size: 12px; margin-top: 7px; }
.contact-email { display: inline-flex; align-items: center; gap: 17px; padding-bottom: 7px; border-bottom: 1px solid #a4bbc4; font-size: 15px; white-space: nowrap; }
.contact-email:hover { border-color: var(--accent); }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 33px 0; margin-top: 29px; }
.footer-name { font-size: 12px; font-weight: 500; color: var(--heading); }
.footer-name > span { margin-left: 9px; color: var(--muted); font-size: 10px; }
.site-footer p { font-size: 10px; color: var(--muted); margin-top: 2px; }
.footer-links { display: flex; align-items: center; gap: 23px; }
.footer-links a { font-size: 10px; color: var(--muted); }
.footer-links a:hover { color: var(--heading); }
.footer-links .icon { width: 12px; height: 12px; }

@media (min-width: 1500px) {
  .hero { padding-top: 90px; padding-bottom: 82px; }
}
@media (max-width: 1050px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 50px; grid-template-columns: minmax(0, 1fr) 225px; padding-top: 62px; padding-bottom: 58px; }
  .portrait-block, .portrait-frame img { width: 225px; }
  .portrait-frame img { height: 256px; }
  .profile-links { gap: 18px; }
  .overview-grid { gap: 36px; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .news-panel { padding: 23px 22px 20px; }
  .research-card { padding: 18px; }
  .research-card h3 { font-size: 15px; }
  .publication-card { padding: 21px; }
  .section-heading-row { align-items: baseline; }
  h2 { font-size: 29px; }
}
@media (max-width: 800px) {
  .wordmark-name { display: none; }
  .header-inner { height: 72px; }
  .site-nav { gap: 23px; }
  .hero { grid-template-columns: minmax(0, 1fr) 190px; gap: 28px; padding-right: 14px; }
  h1 { font-size: 47px; }
  .hero .eyebrow { font-size: 8px; gap: 8px; letter-spacing: .12em; }
  .eyebrow-line { width: 17px; }
  .hero-affiliation { font-size: 12px; margin-top: 23px; }
  .hero-affiliation .role { font-size: 15px; }
  .profile-links { gap: 15px; }
  .profile-links > a { font-size: 11px; }
  .profile-links .icon { width: 15px; height: 15px; }
  .button { padding: 9px 12px; }
  .portrait-block, .portrait-frame img { width: 190px; }
  .portrait-frame img { height: 226px; }
  .overview-grid { grid-template-columns: 1fr; padding-top: 40px; gap: 32px; }
  .news-panel > .news-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 25px; }
  .news-panel > .news-list li + li { margin: 0; padding: 0; border: 0; }
  .news-panel > .news-list li:nth-child(n+3) { border-top: 1px solid #dadfd9; padding-top: 14px; }
  .research-section { margin-top: 43px; }
  .research-grid { gap: 12px; }
  .research-card { padding: 16px; }
  .research-card h3 { font-size: 14px; }
  .research-card p { font-size: 11px; }
  .section-heading-row { flex-direction: column; gap: 10px; }
  .publications-section { margin-top: 40px; }
  .publication-card h3 { font-size: 19px; }
  .publication-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
  .contact-section { padding: 26px; gap: 20px; }
  .contact-email { font-size: 13px; gap: 8px; }
  .contact-section h2 { font-size: 27px; }
  .contact-section p:last-child { font-size: 11px; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 85px; }
  .container { width: calc(100% - 40px); }
  .header-inner { height: 65px; gap: 18px; }
  .monogram { font-size: 31px; }
  .site-nav { gap: 19px; }
  .site-nav a { font-size: 11px; }
  .site-nav .nav-contact { display: none; }
  .hero { display: grid; grid-template-columns: minmax(0, 1fr) 106px; gap: 20px 14px; padding: 39px 5px 34px 0; align-items: start; }
  .hero-copy { display: contents; }
  .hero .eyebrow { grid-column: 1 / -1; font-size: 8px; letter-spacing: .12em; margin-bottom: 3px; }
  h1 { grid-column: 1; grid-row: 2; font-size: clamp(36px, 8vw, 48px); margin: 0; line-height: 1.13; align-self: end; }
  .alternate-name { grid-column: 1; grid-row: 3; font-size: 12px; gap: 11px; margin-top: -12px; }
  .alternate-name [lang='zh'] { font-size: 16px; }
  .hero-affiliation { grid-column: 1 / -1; grid-row: 4; font-size: 12px; margin-top: 0; }
  .hero-affiliation .role { font-size: 14px; }
  .portrait-block { grid-column: 2; grid-row: 2 / 4; width: 106px; margin: 3px 0 0; }
  .portrait-frame img { width: 106px; height: 120px; }
  .portrait-frame::before { inset: -6px -6px 6px 6px; }
  .portrait-block figcaption { display: none; }
  .profile-links { grid-column: 1 / -1; grid-row: 5; gap: 20px; margin: 0; }
  .profile-links > a { font-size: 10px; gap: 5px; }
  .profile-links .icon { width: 14px; height: 14px; }
  .profile-links > .button { padding: 9px 12px; }
  .section-heading { gap: 12px; }
  .section-number { font-size: 9px; }
  h2 { font-size: 28px; }
  .biography { font-size: 13px; margin-top: 20px; }
  .research-summary { font-size: 12px; }
  .news-panel { padding: 22px; }
  .news-panel > .news-list { display: block; }
  .news-panel > .news-list li + li { margin-top: 15px; padding-top: 14px; border-top: 1px solid #dadfd9; }
  .research-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 20px; }
  .research-card { display: grid; grid-template-columns: minmax(0, 1fr) 99px; gap: 0 12px; padding: 21px; }
  .research-card-top { grid-column: 1; margin-bottom: 9px; justify-content: flex-start; }
  .research-card-top .icon { display: none; }
  .research-graphic { grid-column: 2; grid-row: 1 / 5; align-self: center; width: 130px; max-width: 100%; margin: 0; }
  .research-card h3 { font-size: 16px; grid-column: 1; }
  .research-card p { font-size: 12px; grid-column: 1; margin-bottom: 12px; }
  .card-link { grid-column: 1; }
  .interest-lines { font-size: 10px; line-height: 1.9; }
  .interest-lines p + p { margin-top: 7px; }
  .interest-lines span { display: block; }
  .publications-section { padding-top: 33px; }
  .publication-toolbar { margin-top: 21px; }
  .publication-filters { gap: 7px; }
  .filter-button { padding: 7px 11px; font-size: 10px; }
  .publication-grid { grid-template-columns: 1fr; gap: 12px; }
  .publication-card { padding: 22px; }
  .publication-card h3 { font-size: 21px; }
  .publication-bottom { flex-direction: row; align-items: center; }
  .publication-category { font-size: 9px; }
  .authors { font-size: 11px; }
  .contact-section { flex-direction: column; align-items: flex-start; padding: 25px; margin-top: 35px; }
  .contact-section h2 { font-size: 29px; }
  .contact-email { font-size: 15px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 15px; margin-top: 8px; padding-bottom: 28px; }
  .footer-links { gap: 25px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .hero { grid-template-columns: minmax(0, 1fr) 92px; }
  .portrait-block, .portrait-frame img { width: 92px; }
  .portrait-frame img { height: 109px; }
  .profile-links { gap: 12px; }
  .research-card { grid-template-columns: minmax(0, 1fr) 76px; padding: 18px; }
  .publication-card { padding: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  html { scroll-padding-top: 0; }
  body { background: white; color: #222; font-size: 10pt; }
  .container { width: 100%; }
  .site-header, .publication-toolbar, .contact-section, .site-footer, .skip-link, .text-link, .research-graphic, .card-link { display: none !important; }
  .hero { padding: 0 0 20px; grid-template-columns: 1fr 110px; gap: 30px; }
  .hero-copy { display: block; }
  h1 { font-size: 38pt; }
  h2 { font-size: 20pt; }
  .portrait-block, .portrait-frame img { width: 100px; height: auto; }
  .portrait-frame::before, .portrait-block figcaption { display: none; }
  .overview-grid { grid-template-columns: 1fr; gap: 20px; padding-top: 20px; }
  .news-panel { background: transparent; }
  .research-section, .publications-section { margin-top: 25px; padding-top: 15px; }
  .research-grid { grid-template-columns: repeat(3, 1fr); }
  .research-card { display: block; background: transparent; }
  .publication-grid { grid-template-columns: 1fr; }
  .publication-card, .publication-card[hidden] { display: flex !important; break-inside: avoid; }
  .publication-card h3 { font-size: 15pt; }
  .authors { font-size: 9pt; }
  .button-primary { color: var(--heading); background: transparent; border: 1px solid var(--line); }
}