@font-face {
  font-family: "LXGW WenKai";
  src: url("../fonts/lxgw-wenkai-site.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
:root {
  --text: #273331;
  --muted: #566662;
  --link: #315f73;
  --line: rgba(69, 91, 84, .16);
  --glass: rgba(255, 255, 255, .46);
  --glass-shadow: inset 0 1px 0 rgba(255, 255, 255, .88),
    inset 1px 0 0 rgba(255, 255, 255, .48),
    0 1px 2px rgba(37, 55, 48, .04), 0 8px 28px rgba(37, 55, 48, .045);
  --ease: cubic-bezier(.32, .72, 0, 1);
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #edf1f0;
  background-image:
    radial-gradient(ellipse at 91% 4%, rgba(204, 223, 216, .64), transparent 52%),
    linear-gradient(125deg, #f3f4f2 8%, #edf1f0 54%, #e8eeec);
  color: var(--text);
  font: 16px/1.7 "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, "LXGW WenKai", "KaiTi", "STKaiti", serif;
  -webkit-font-smoothing: antialiased;
}
:lang(zh) { font-family: "LXGW WenKai", "KaiTi", "STKaiti", serif; letter-spacing: 0; }
::selection { background: #d4e3dc; color: #213d35; }
main { flex: 1; }
a { color: var(--link); text-decoration: none; text-underline-offset: 4px; transition: color 150ms var(--ease); }
a:hover { text-decoration: underline; }
p a { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; border-radius: 3px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.35; }
h1 { font-size: 30px; letter-spacing: -.7px; }
h2 { font-size: 22px; margin-bottom: 14px; letter-spacing: -.3px; }
h3 { font-size: 17px; }
p + p { margin-top: 14px; }
.wrap { width: min(960px, calc(100% - 64px)); margin-inline: auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  width: min(1008px, calc(100% - 40px));
  margin-top: 24px;
  padding: 9px 24px;
  border-radius: 16px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(115%);
  backdrop-filter: blur(18px) saturate(115%);
  box-shadow: var(--glass-shadow);
}
.brand { font-size: 20px; font-weight: 600; color: var(--text); min-height: 44px; display: inline-flex; align-items: center; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 0 4px; }
.site-header nav a {
  color: var(--muted);
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 0 11px;
  border-radius: 8px;
  font-size: 14px;
  transition: color 150ms var(--ease), background-color 150ms var(--ease);
}
.site-header nav a:lang(zh) { font-size: 19px; padding-right: 0; padding-left: 15px; }
.site-header nav a:hover, .site-header nav a[aria-current] { color: var(--text); background-color: rgba(45, 65, 56, .065); text-decoration: none; }
.skip-link { position: absolute; left: 12px; top: 8px; padding: 8px 14px; background: white; transform: translateY(-160%); z-index: 5; }
.skip-link:focus { transform: none; }
.page-body { padding-top: 44px; padding-bottom: 42px; }
.page-heading { margin-bottom: 30px; }
.page-heading p { margin-top: 18px; max-width: 850px; }
.profile { display: grid; grid-template-columns: minmax(0, 1fr) 194px; gap: 52px; align-items: start; }
.profile-copy { grid-column: 1; grid-row: 1; }
.profile h1 { margin-bottom: 5px; font-size: 32px; }
.profile h1 span { display: inline-block; font-size: 28px; margin-left: 14px; font-weight: 400; }
.position { color: var(--muted); margin-bottom: 21px; font-size: 15px; }
.profile-photo {
  grid-column: 2;
  grid-row: 1;
  width: 194px;
  height: 194px;
  object-fit: cover;
  margin-top: 8px;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, .65);
  box-shadow: 0 2px 4px rgba(35, 55, 45, .07), 0 14px 35px rgba(35, 55, 45, .08);
}
.profile-links, .project-links { display: flex; flex-wrap: wrap; gap: 0 20px; margin-top: 14px; }
.profile-links {
  width: fit-content;
  max-width: 100%;
  gap: 0 4px;
  margin-top: 21px;
  padding: 3px 6px;
  border-radius: 11px;
  background: rgba(255, 255, 255, .38);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.profile-links a, .project-links a { display: inline-flex; min-height: 44px; align-items: center; font-size: 14px; }
.profile-links a {
  padding: 0 10px;
  border-radius: 7px;
  transition: color 150ms var(--ease), background-color 150ms var(--ease);
}
.profile-links a:hover { background: rgba(45, 65, 56, .06); text-decoration: none; }
.profile-links a:active { background: rgba(45, 65, 56, .10); }
.project-links { gap: 8px; margin-top: 17px; }
.project-links a { min-height: 36px; padding: 3px 11px; border: 1px solid rgba(49, 95, 115, .32); border-radius: 6px; background: rgba(255, 255, 255, .38); transition: background-color 150ms var(--ease), border-color 150ms var(--ease); }
.project-links a:hover { background: rgba(255, 255, 255, .8); border-color: var(--link); text-decoration: none; }
.home-section { margin-top: 32px; }
.home-section h2 { margin-bottom: 12px; }
.home-section > p { font-size: 15px; }
.home-news {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  align-items: baseline;
  gap: 22px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, .28);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), 0 1px 0 rgba(69, 91, 84, .07);
}
.home-news h2 { font-size: 19px; margin: 0; }
.news-items p { font-size: 15px; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-top: 25px; border-top: 1px solid var(--line); }
.section-title > a { font-size: 14px; min-height: 44px; display: flex; align-items: center; }
.publication-list { list-style: none; margin: 0; padding: 0; }
.publication { margin: 0 0 25px; }
.publication:last-child { margin-bottom: 0; }
.pub-title { font-size: 16px; line-height: 1.5; font-weight: 600; color: var(--text); }
.pub-title:hover { color: var(--link); }
.pub-authors { font-size: 14px; color: var(--muted); margin-top: 5px; }
.pub-authors strong { font-weight: 600; color: var(--text); }
.pub-journal { font-size: 14px; margin-top: 3px; }
.pub-journal a { margin-left: 4px; }
.patent-group + .patent-group { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.patent-group > h2 { margin-bottom: 26px; }
.patent { padding-bottom: 23px; border-bottom: 1px solid var(--line); }
.patent:last-child { padding-bottom: 0; border-bottom: 0; }
.patent h3 { margin: 0; }
.patent h3:lang(zh) { font-size: 21px; font-weight: 400; line-height: 1.5; }
.patent .pub-authors:lang(zh) { font-size: 17px; }
.patent-detail { font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.patent .project-links { margin-top: 10px; }
.cv-downloads { margin-top: 18px; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 21px 0 27px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.site-footer a { overflow-wrap: anywhere; }
.research-group { margin-top: 36px; }
.research-group > h2 { margin-bottom: 20px; }
.project-detail { display: grid; grid-template-columns: minmax(0, 1fr) 410px; grid-template-rows: auto 1fr; align-items: start; column-gap: 38px; padding: 32px 0; border-top: 1px solid var(--line); }
.project-heading { grid-column: 1; grid-row: 1; margin-bottom: 16px; }
.project-description { grid-column: 1; grid-row: 2; }
.project-detail h3 { font-size: 20px; margin-bottom: 6px; }
.project-number { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; }
.project-status { color: var(--muted); font-size: 14px; }
.project-context { margin-top: 12px; font-size: 14px; }
.project-context span:lang(zh) { font-size: 17px; }
.project-detail p:not(.project-status) { font-size: 15px; }
.project-figures { grid-column: 2; grid-row: 1 / span 2; display: grid; gap: 22px; }
.research-image-link { display: block; border-radius: 10px; background: rgba(255, 255, 255, .58); overflow: hidden; }
.research-image-link:focus-visible { outline-offset: 5px; }
.project-detail img { width: 100%; max-height: 410px; object-fit: contain; border-radius: 10px; }
.project-detail video { display: block; width: 100%; height: auto; border-radius: 10px; background: #141b19; }
.illustrated-project .research-image-link { box-shadow: 0 3px 14px rgba(37, 55, 48, .055); }
.research-image-link picture { display: block; }
.project-detail figcaption a { text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
figcaption { color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 9px; }
.funding, .chinese-profile { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.funding p { font-size: 15px; }
.funding p + p { margin-top: 8px; }
.muted { color: var(--muted); }
.cv-profile h2 span, .contact-details h2 span { margin-left: 10px; font-weight: 400; font-size: 25px; }
.experience { margin-top: 30px; }
.experience-row { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 26px; margin-bottom: 22px; }
.experience-row .date { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.experience-row h3 { margin-bottom: 3px; }
.experience-row p { font-size: 15px; }
.experience-row p + p { margin-top: 5px; }
.chinese-profile h2 { font-size: 26px; font-weight: 400; }
.chinese-profile p { font-size: 18px; line-height: 1.9; max-width: 46em; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.gallery-grid img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 8px; box-shadow: 0 3px 12px rgba(37, 55, 48, .06); }
.contact-details { max-width: 700px; }
.contact-details p { margin-top: 16px; }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header, .profile-links { background: rgba(248, 250, 248, .94); }
}
@media (min-width: 761px) and (max-width: 1000px) {
  .project-detail { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { display: block; padding: 10px 16px 8px; margin-top: 16px; }
  .brand { padding-left: 6px; font-size: 19px; }
  .site-header nav { gap: 0 2px; margin-top: 2px; }
  .site-header nav a { padding: 0 9px; }
  .site-header nav a:lang(zh) { padding-left: 12px; }
  .profile { grid-template-columns: minmax(0, 1fr) 150px; gap: 28px; }
  .profile-photo { width: 150px; height: 150px; }
  h1 { font-size: 28px; }
  .profile h1 { font-size: 30px; }
  .profile h1 span { font-size: 26px; margin-left: 9px; }
  .project-detail { display: flex; flex-direction: column; gap: 20px; }
  .project-heading { order: 0; margin-bottom: 0; }
  .project-description { order: 2; }
  .project-figures { order: 1; }
  .project-figures { width: 100%; max-width: 520px; }
  .experience-row { grid-template-columns: 145px minmax(0, 1fr); gap: 20px; }
  .home-news { grid-template-columns: 60px minmax(0, 1fr); gap: 16px; padding: 18px 20px; }
}
@media (max-width: 520px) {
  body { font-size: 15px; }
  .site-header { width: calc(100% - 24px); padding: 6px 8px 5px; border-radius: 13px; margin-top: 12px; }
  .brand { padding-left: 8px; }
  .site-header nav { column-gap: 0; justify-content: space-between; }
  .site-header nav a { font-size: 13px; padding: 0 4px; }
  .site-header nav a:lang(zh) { font-size: 17px; padding: 0 4px; }
  .page-body { padding-top: 29px; padding-bottom: 32px; }
  .profile { display: flow-root; }
  .profile-copy { display: contents; }
  .profile-photo { float: right; width: 100px; height: 100px; margin: 2px 0 14px 18px; border-width: 3px; }
  .profile h1 { font-size: 27px; }
  .profile h1 span { font-size: 25px; margin-left: 0; margin-right: 5px; }
  .position { margin-bottom: 18px; margin-top: 8px; font-size: 14px; }
  h2 { font-size: 21px; }
  .home-section { margin-top: 28px; }
  .home-news { display: block; padding: 16px 18px; }
  .home-news h2 { margin-bottom: 8px; font-size: 18px; }
  .profile-links { gap: 0; padding: 2px 4px; margin-top: 18px; }
  .profile-links a { font-size: 13px; padding: 0 3px; }
  .pub-title { font-size: 15px; }
  .pub-authors, .pub-journal { font-size: 13px; }
  .project-detail { grid-template-columns: 1fr; gap: 20px; }
  .experience-row { grid-template-columns: 1fr; gap: 5px; margin-bottom: 24px; }
  .gallery-grid { grid-template-columns: 1fr; gap: 25px; }
  .chinese-profile p { font-size: 18px; }
  .site-footer { font-size: 12px; gap: 12px; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}
@media (forced-colors: active) {
  .site-header, .profile-links, .home-news { border: 1px solid CanvasText; }
  a:focus-visible { outline-color: Highlight; }
}
@media print {
  body { background: #fff; font-size: 12pt; }
  .site-header nav, .site-footer, .skip-link { display: none; }
  .wrap { width: 100%; }
  .page-body { padding-top: 20px; }
  .site-header, .profile-links, .home-news, .profile-photo { background: none; box-shadow: none; backdrop-filter: none; }
  .publication, .experience-row { break-inside: avoid; }
  a { color: var(--text); }
}