:root {
  --text: #24313b;
  --secondary: #52606b;
  --muted: #65727c;
  --primary: #285979;
  --line: #e5e9ec;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 96px; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 5px; border-radius: 2px; }
.biography p a, #experiences .clean-list a {
  text-decoration: underline;
  text-decoration-color: #9aabb6;
  text-decoration-thickness: 1px;
}
.biography p a:hover, #experiences .clean-list a:hover { text-decoration-color: currentColor; }
img { display: block; max-width: 100%; }
.container { width: min(1000px, calc(100% - 64px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: flex-end; gap: 20px; }

.nav-links { display: flex; gap: 30px; align-self: stretch; }
.nav-links a { display: flex; align-items: center; color: var(--secondary); font-size: 15px; border-bottom: 2px solid transparent; }
.nav-links a[aria-current="page"] { border-bottom-color: var(--primary); color: var(--primary); font-weight: 600; }
.skip-link { position: fixed; left: 16px; top: -100px; background: #fff; padding: 10px 16px; z-index: 20; }
.skip-link:focus { top: 8px; }
main { padding: 54px 0 64px; }
.stack { display: grid; gap: 44px; }
.profile { padding-bottom: 38px; border-bottom: 1px solid var(--line); }
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 144px;
  grid-template-areas: "name portrait" "affiliation portrait" "contact portrait";
  column-gap: 48px;
  align-items: start;
}
.portrait { grid-area: portrait; width: 144px; height: 183px; object-fit: cover; border-radius: 8px; margin-top: 3px; }
.name-row { grid-area: name; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.name-en { margin: 0; font-size: 38px; letter-spacing: -.035em; line-height: 1.2; font-weight: 700; }
.name-cn { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.4; letter-spacing: .16em; color: var(--muted); font-weight: 400; }
.affiliation-block { grid-area: affiliation; min-width: 0; margin-top: 18px; }
.meta { font-size: 16px; line-height: 1.65; color: var(--secondary); text-wrap: balance; }
.role { color: var(--text); font-weight: 600; }
.lab-affiliation { margin-top: 4px; font-size: 14px; line-height: 1.65; color: var(--secondary); text-wrap: balance; }
.lab-acronym, .lab-unit { white-space: nowrap; }
.info-block { grid-area: contact; min-width: 0; display: grid; gap: 4px; margin-top: 18px; }
.info-content { font-size: 14px; color: var(--secondary); }
.profile-links { display: flex; gap: 6px 20px; flex-wrap: wrap; }
.profile-links a { display: inline-flex; align-items: center; min-height: 28px; font-weight: 500; }
.biography { margin-top: 30px; }
p { margin: 0; color: var(--secondary); font-size: 16px; }
p + p { margin-top: 16px; }
.text-link { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 600; }
.content-section { min-width: 0; }
.section-head { margin-bottom: 22px; }
.section-title { margin: 0; font-size: 22px; line-height: 1.3; letter-spacing: -.02em; font-weight: 650; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 64px; }
.clean-list { list-style: none; margin: 0; padding: 0; }
.clean-list li { padding: 0 0 20px; font-size: 15px; color: var(--secondary); }
.clean-list li:last-child { padding-bottom: 0; }
.clean-list strong { color: var(--text); font-weight: 600; }
.experience-date { display: block; margin: 3px 0; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
#awards .clean-list li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; font-size: 14px; padding-bottom: 16px; }
.award-date { color: var(--muted); font-size: 12px; line-height: 2.04; font-variant-numeric: tabular-nums; }
#services { padding-top: 34px; border-top: 1px solid var(--line); }
.service-grid { display: grid; grid-template-columns: 1fr 2.2fr 1fr; gap: 36px; }
.subsection-title { font-weight: 600; font-size: 14px; margin: 0 0 8px; }
.service-item .clean-list li { font-size: 14px; }
.site-footer { padding: 22px 0 30px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
.publication-page { max-width: 960px; }
.page-heading { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.page-heading h1 { margin: 0; font-size: 36px; font-weight: 700; letter-spacing: -.035em; line-height: 1.25; }
.publication-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; margin-top: 16px; font-size: 13px; color: var(--muted); }

.publication-group { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 30px; padding-top: 34px; }
.publication-group h2 { position: sticky; top: 98px; align-self: start; margin: 0; font-size: 18px; color: var(--muted); line-height: 1.5; font-weight: 550; }
.pub-list { list-style: none; padding: 0; margin: 0; min-width: 0; }
.pub-list li { padding: 0 0 24px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.pub-list li:last-child { margin-bottom: 0; }
.pub-title { margin: 0; font-size: 17px; line-height: 1.5; font-weight: 600; }
.pub-title a { color: var(--primary); }
.pub-authors { margin-top: 7px; font-size: 14px; line-height: 1.75; color: var(--secondary); }
.pub-authors strong { color: var(--text); font-weight: 650; }
.pub-authors sup { position: relative; top: -.4em; vertical-align: baseline; font-size: .75em; line-height: 0; }
.pub-venue { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 10px; margin-top: 9px; font-size: 13px; color: var(--secondary); font-weight: 500; }
.venue-name { color: var(--secondary); }
.rank-tag, .metric-tag { display: inline-block; padding: 1px 7px; border: 1px solid #e4e8eb; border-radius: 4px; font-size: 12px; line-height: 1.7; font-weight: 500; color: #58636c; background: #f8f9fa; }
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 36px; }
  #awards { border-top: 1px solid var(--line); padding-top: 32px; }
}
@media (max-width: 760px) {
  main { padding-top: 36px; }
  .service-grid { grid-template-columns: 1fr; gap: 22px; }
  .publication-group { grid-template-columns: 1fr; gap: 18px; }
  .publication-group h2 { position: static; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .intro-grid {
    grid-template-columns: minmax(0, 1fr) 96px;
    grid-template-areas: "name portrait" "affiliation affiliation" "contact contact";
    column-gap: 24px;
  }
  .portrait { width: 96px; height: 122px; margin-top: 0; }
  .name-row { align-self: center; }
  .affiliation-block { margin-top: 22px; }
  .meta { font-size: 15px; }
  .lab-affiliation { font-size: 14px; margin-top: 6px; }
  .info-block { margin-top: 16px; }
}
@media (max-width: 480px) {
  .container { width: calc(100% - 40px); }
  .nav { min-height: 62px; gap: 12px; }

  .nav-links { gap: 20px; }
  .nav-links a { font-size: 14px; }
  main { padding: 30px 0 40px; }
  .stack { gap: 32px; }
  .profile { padding-bottom: 28px; }
  .intro-grid { grid-template-columns: minmax(0, 1fr) 80px; column-gap: 20px; }
  .portrait { width: 80px; height: 102px; }
  .name-row { gap: 7px; }
  .name-en { font-size: clamp(26px, 7.2vw, 32px); }
  .name-cn { font-size: 14px; }
  .meta { font-size: 14px; }
  .info-content { font-size: 13px; overflow-wrap: anywhere; }
  .profile-links { gap: 4px 12px; }
  .biography { margin-top: 26px; }
  .section-title { font-size: 21px; }
  .page-heading h1 { font-size: 32px; }
  .publication-meta { font-size: 12px; }

}
@media print {
  .site-header, .skip-link, .site-footer { display: none; }
  main { padding: 0; }
  .container { width: 100%; }
  .publication-group h2 { position: static; }
  .pub-list li, .clean-list li { break-inside: avoid; }
}