:root {
  --paper: #faf9f6;
  --white: #fff;
  --ink: #202728;
  --muted: #626a6c;
  --blue: #2658a5;
  --blue-light: #edf2f9;
  --line: #dedfdc;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
::selection { background: #d9e5f6; }
a { color: var(--blue); text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
.hero-text a, .about-section p a, .news-list a { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 2px; }
button { font: inherit; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.container { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: 20; background: var(--white); padding: 10px 18px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(250, 249, 246, .96); backdrop-filter: blur(16px); }
.header-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 13px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.monogram { font-family: var(--serif); font-size: 24px; line-height: 1; letter-spacing: -2px; border: 1px solid #b8bfbd; padding: 10px 11px 11px 9px; }
.brand-name { font-size: 12px; letter-spacing: 1.5px; font-weight: 600; }
.nav { display: flex; align-items: center; gap: 29px; }
.nav a { font-size: 13px; color: var(--muted); padding-block: 6px; }
.nav a.active { color: var(--blue); }
.nav .contact-link { color: var(--blue); }
.menu-toggle { display: none; background: transparent; border: 1px solid var(--line); padding: 5px 11px; color: var(--ink); cursor: pointer; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 100px; padding-block: 76px 60px; align-items: center; }
.eyebrow { margin: 0 0 17px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.6px; color: var(--blue); }
h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(42px, 4.8vw, 64px); letter-spacing: -2px; line-height: 1.12; margin: 0 0 15px; }
.chinese-name { display: inline-block; font-family: var(--sans); font-size: 27px; letter-spacing: 3px; color: var(--muted); margin-left: 16px; vertical-align: 5px; white-space: nowrap; }
.hero-subtitle { font-family: var(--serif); font-size: 25px; line-height: 1.4; letter-spacing: -.3px; margin: 0 0 21px; }
.hero-text { max-width: 675px; color: #51595b; margin: 0 0 12px; font-size: 15px; line-height: 1.85; }
.hero-text strong { color: var(--ink); font-weight: 600; }
.profile-links { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 23px; margin-top: 26px; }
.profile-links a { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; }
.icon { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.portrait { margin: 0; position: relative; }
.portrait::before { content: ""; position: absolute; top: -12px; right: -12px; width: 82px; height: 82px; border-top: 1px solid #98adc9; border-right: 1px solid #98adc9; }
.portrait img { width: 230px; height: 286px; object-fit: cover; object-position: center 44%; border-radius: 3px; border: 1px solid var(--line); }
.portrait figcaption { font-size: 11px; display: flex; justify-content: space-between; margin-top: 13px; color: var(--muted); }
.availability { display: inline-flex; align-items: center; gap: 6px; }
.availability::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
.section { padding-block: 44px 48px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-bottom: 26px; }
.section-title { display: flex; gap: 18px; align-items: baseline; }
.section-number { color: var(--blue); font-size: 11px; letter-spacing: 1px; font-variant-numeric: tabular-nums; }
h2 { font-family: var(--serif); font-size: 30px; font-weight: 400; line-height: 1.25; margin: 0; letter-spacing: -.5px; }
.section-note { font-size: 12px; color: var(--muted); }
.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.research-item { padding-right: 25px; border-right: 1px solid var(--line); }
.research-item:last-child { border-right: 0; padding-right: 0; }
.research-symbol { font-family: var(--serif); font-size: 28px; line-height: 1; color: var(--blue); margin: 0 0 18px; }
h3 { font-size: 16px; line-height: 1.5; margin: 0 0 9px; font-weight: 600; }
.research-item p { font-size: 13px; line-height: 1.8; color: var(--muted); margin: 0; }
.research-keywords { display: block; margin-top: 15px; font-size: 10px; font-weight: 500; letter-spacing: .7px; color: var(--blue); text-transform: uppercase; }
.news-section { padding-block: 32px 34px; }
.news-section .section-heading { margin-bottom: 17px; }
.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li { display: grid; grid-template-columns: 86px 1fr; gap: 16px; padding-block: 5px; font-size: 13px; }
.news-list time { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 2px; }
.news-list strong { font-weight: 600; }
.news-archive { margin-top: 14px; }
summary { cursor: pointer; width: fit-content; font-size: 12px; color: var(--blue); }
details[open] > summary { margin-bottom: 20px; }
.filter-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 4px 0 22px; }
.filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filter { border: 1px solid var(--line); border-radius: 4px; padding: 6px 13px; font-size: 11px; line-height: 1.6; background: transparent; color: var(--muted); cursor: pointer; }
.filter:hover { color: var(--blue); border-color: #a8b9d1; }
.filter[aria-pressed="true"] { color: var(--white); background: var(--blue); border-color: var(--blue); }
.filter-count { color: var(--muted); font-size: 11px; white-space: nowrap; }
.paper { display: grid; grid-template-columns: 218px minmax(0, 1fr); gap: 30px; padding-block: 25px; border-top: 1px solid var(--line); }
.paper:first-child { border-top: 0; padding-top: 4px; }
.paper-figure { border: 1px solid #e2e4e2; border-radius: 4px; background: var(--white); width: 218px; height: 140px; padding: 10px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.paper-figure img { max-height: 100%; width: 100%; height: 100%; object-fit: contain; }
.paper-graphic { width: 100%; height: 100%; }
.paper-cover { width: 100%; height: 100%; background: var(--blue-light); padding: 17px 15px; color: var(--blue); display: flex; flex-direction: column; justify-content: center; }
.paper-cover span { font-size: 7px; letter-spacing: 1px; }
.paper-cover b { font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.6; }
.paper-cover small { font-size: 9px; }
.paper-meta { display: flex; gap: 9px; flex-wrap: wrap; font-size: 10px; line-height: 1.5; margin-bottom: 7px; text-transform: uppercase; letter-spacing: .5px; }
.venue { color: var(--blue); font-weight: 650; }
.preprint { color: #6c716f; }
.paper-topic { color: var(--muted); border-left: 1px solid #cfd3d1; padding-left: 9px; }
.paper h3 { font-size: 16px; font-weight: 600; line-height: 1.55; margin-bottom: 5px; }
.paper h3 a { color: var(--ink); }
.paper h3 a:hover { color: var(--blue); }
.authors { font-size: 11px; line-height: 1.8; color: var(--muted); margin: 0 0 7px; }
.authors strong { font-weight: 650; color: var(--ink); }
.paper-summary { font-size: 12px; line-height: 1.7; color: #61686a; margin: 0 0 9px; }
.paper-links { display: flex; flex-wrap: wrap; gap: 17px; }
.paper-links a { font-size: 11px; font-weight: 500; }
.paper-links a::after { content: " ↗"; font-size: 10px; }
.earlier-papers { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 21px; }
.earlier-papers > summary { font-size: 13px; }
.earlier-papers .paper:first-child { padding-top: 12px; }
.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.subsection-title { font-size: 11px; text-transform: uppercase; letter-spacing: 1.3px; margin: 0 0 25px; color: var(--muted); }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { position: relative; padding: 0 0 24px 22px; border-left: 1px solid #d4d9d8; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { position: absolute; content: ""; top: 6px; left: -4px; width: 7px; height: 7px; background: var(--paper); border: 1px solid var(--blue); border-radius: 50%; }
.timeline time { font-size: 10px; color: var(--muted); display: block; margin-bottom: 5px; letter-spacing: .3px; }
.timeline h3 { font-size: 14px; margin: 0 0 4px; }
.timeline p { font-size: 12px; line-height: 1.75; margin: 0; color: var(--muted); }
.timeline a { color: inherit; }
.honors-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.honors-list { list-style: none; padding: 0; margin: 0; }
.honors-list li { display: grid; grid-template-columns: 48px 1fr; gap: 16px; font-size: 13px; padding: 9px 0; border-bottom: 1px solid #e8e8e3; }
.honors-list li:first-child { padding-top: 0; }
.honors-list time { font-size: 11px; color: var(--muted); padding-top: 2px; }
.honors-list strong { font-weight: 500; }
.service-block { margin-bottom: 22px; }
.service-block h3 { font-size: 13px; }
.service-block p { font-size: 12px; line-height: 1.9; color: var(--muted); margin: 0; }
.about-section { display: grid; grid-template-columns: 1.25fr 1fr; gap: 70px; }
.about-section h2 { margin-bottom: 20px; }
.about-section p { font-size: 13px; line-height: 1.9; color: var(--muted); margin: 0 0 12px; }
.contact-card { align-self: start; background: var(--blue-light); border-left: 2px solid var(--blue); padding: 24px 27px; }
.contact-card h3 { font-family: var(--serif); font-weight: 400; font-size: 23px; margin-bottom: 10px; }
.contact-card p { font-size: 12px; margin-bottom: 15px; }
.contact-card > a { font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 28px 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; letter-spacing: .2px; }
.footer a { color: var(--muted); }
@media (min-width: 1450px) { .hero { padding-top: 90px; } }
@media (max-width: 1020px) {
  .container { width: min(1120px, calc(100% - 64px)); }
  .hero { gap: 45px; grid-template-columns: 1fr 200px; padding-top: 55px; }
  h1 { font-size: 48px; }
  .chinese-name { font-size: 22px; margin-left: 8px; }
  .portrait img { width: 200px; height: 255px; }
  .hero-subtitle { font-size: 22px; }
  .nav { gap: 19px; }
  .experience-grid, .honors-grid, .about-section { gap: 40px; }
}
@media (max-width: 740px) {
  html { scroll-padding-top: 82px; }
  .container { width: calc(100% - 40px); }
  .header-inner { height: auto; min-height: 65px; flex-wrap: wrap; padding-block: 13px; }
  .js .header-inner { height: 65px; flex-wrap: nowrap; padding-block: 0; }
  .brand-name { font-size: 10px; letter-spacing: 1.1px; }
  .monogram { font-size: 22px; padding: 8px 9px 9px 7px; }
  .menu-toggle { display: block; font-size: 12px; }
  .nav { position: static; width: 100%; flex-basis: 100%; background: var(--paper); padding: 14px 0 0; flex-wrap: wrap; gap: 8px 24px; }
  .js .nav { position: absolute; inset: 65px 0 auto; width: auto; padding: 18px 20px 23px; border-bottom: 1px solid var(--line); gap: 14px 24px; }
  .nav a { font-size: 13px; }
  .nav.mobile-closed { display: none; }
  .hero { padding-block: 41px 35px; grid-template-columns: 1fr 100px; gap: 22px; align-items: start; }
  .hero-copy { display: contents; }
  .hero-intro { grid-column: 1; grid-row: 1; }
  .eyebrow { font-size: 9px; letter-spacing: 1px; margin-bottom: 13px; }
  h1 { font-size: 37px; letter-spacing: -1.6px; margin-bottom: 12px; }
  .chinese-name { font-size: 20px; display: block; margin: 10px 0 0; letter-spacing: 2px; }
  .hero-subtitle { font-size: 20px; margin: 0; }
  .hero-body { grid-column: 1 / -1; }
  .hero-text { font-size: 13px; line-height: 1.85; }
  .profile-links { margin-top: 19px; gap: 11px 19px; }
  .profile-links a { font-size: 12px; }
  .portrait { grid-column: 2; grid-row: 1; margin-top: 8px; }
  .portrait img { width: 100px; height: 130px; }
  .portrait::before { top: -7px; right: -7px; width: 37px; height: 37px; }
  .portrait figcaption { font-size: 9px; margin-top: 9px; justify-content: center; }
  .portrait figcaption .availability { display: none; }
  .section { padding-block: 32px 35px; }
  .section-heading { margin-bottom: 22px; gap: 12px; flex-wrap: wrap; }
  .section-title { gap: 12px; }
  h2 { font-size: 26px; }
  .section-note { font-size: 10px; }
  .research-grid { grid-template-columns: 1fr; gap: 22px; }
  .research-item { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 20px; }
  .research-item:last-child { border-bottom: 0; padding-bottom: 0; }
  .research-symbol { display: none; }
  .research-item h3 { font-size: 15px; }
  .research-keywords { margin-top: 10px; font-size: 9px; }
  .news-list li { grid-template-columns: 63px 1fr; gap: 10px; font-size: 12px; padding-block: 7px; }
  .news-list time { font-size: 10px; }
  .filter-toolbar { align-items: flex-start; flex-direction: column; gap: 9px; margin-bottom: 22px; }
  .filter { font-size: 10px; padding: 5px 10px; }
  .filter-count { font-size: 10px; }
  .paper { grid-template-columns: 108px minmax(0, 1fr); gap: 17px; padding-block: 22px; }
  .paper-figure { width: 108px; height: 83px; padding: 5px; margin-top: 2px; }
  .paper-cover { padding: 8px; }
  .paper-cover span { font-size: 5px; letter-spacing: .3px; }
  .paper-cover b { font-size: 18px; }
  .paper-cover small { font-size: 6px; line-height: 1.4; }
  .paper-meta { font-size: 9px; gap: 5px; margin-bottom: 6px; }
  .paper-topic { display: none; }
  .paper h3 { font-size: 13px; line-height: 1.55; }
  .authors { font-size: 10px; }
  .paper-summary { font-size: 11px; }
  .paper-links { gap: 14px; }
  .paper-links a { font-size: 10px; }
  .experience-grid, .honors-grid, .about-section { grid-template-columns: 1fr; gap: 33px; }
  .subsection-title { margin-bottom: 20px; }
  .contact-card { padding: 23px; }
  .footer { align-items: start; font-size: 9px; gap: 12px; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .hero { grid-template-columns: 1fr 85px; gap: 17px; }
  h1 { font-size: 32px; }
  .portrait img { width: 85px; height: 112px; }
  .hero-subtitle { font-size: 18px; }
  .paper { grid-template-columns: 85px 1fr; gap: 13px; }
  .paper-figure { width: 85px; height: 72px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .site-header, .filter-toolbar, .contact-card, .skip-link { display: none !important; }
  body { background: #fff; font-size: 11px; }
  .container { width: 100%; }
  .hero { padding-block: 0 20px; }
  .section { padding-block: 20px; }
  .paper { break-inside: avoid; }
  .earlier-papers:not([open]) { display: none; }
}