:root {
  --blue-50: #FAF8F4;
  --blue-100: #f0eae0;
  --blue-200: #dbd5cc;
  --blue-300: #c0bbb2;
  --blue-400: #a59f97;
  --blue-500: #8a847c;
  --blue-600: #6e6961;
  --blue-700: #5c5750;
  --blue-800: #47433c;
  --blue-900: #332f29;
  --blue-950: #1f1d18;
  --text: #47433C;
  --muted: #6E6961;
  --white: #fff;
  --content: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  scroll-padding-top: calc(var(--nav-height, 70px) + 16px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: "Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: var(--blue-600);
  text-decoration: none;
}

a:hover {
  color: var(--blue-700);
}

a:active {
  color: var(--blue-800);
}

a:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 5px;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  color: var(--blue-900);
  font-weight: 600;
  line-height: 1.4;
}

p + p {
  margin-top: 14px;
}

h3 {
  font-size: 22px;
}

p {
  overflow-wrap: anywhere;
}

.container {
  width: min(var(--content),calc(100% - 80px));
  margin-inline: auto;
}

.identity.container {
  width: min(1400px, calc(100% - 80px));
}

.skip-link {
  position: absolute;
  left: 20px;
  top: -100px;
  z-index: 101;
  background: white;
  padding: 12px 18px;
}

.skip-link:focus {
  top: 10px;
}

.site-header {
  position: sticky;
  top: calc(-1 * var(--identity-height, 125px));
  z-index: 100;
  border-top: 5px solid var(--blue-900);
  background: white;
}

.identity {
  height: 120px;
  display: flex;
  align-items: center;
  gap: 28px;
  z-index: 2;
}

.brand {
  width: 300px;
  flex-shrink: 0;
}

.brand img {
  width: 100%;
  height: auto;
}

.identity-text {
  border-left: 1px solid var(--blue-200);
  padding-left: 30px;
  
}

.identity-text strong {
  font-size: 50px;
  color: var(--blue-900);
  display: block;
  letter-spacing: 3px;
}

.identity-text span {
  display: block;
  font-size: 20px;
  letter-spacing: 1px;
  margin-top: -8px;
  color: var(--muted);
}

.school {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transform: translateY(5px);
}

.school img {
  width: 400px;
  height: auto;
  border: none;
  display: block;
}

.primary-nav {
  position: relative;
  background: white;
  border-top: 1px solid var(--blue-100);
  border-bottom: 1px solid var(--blue-200);
  z-index: 1;
}

.site-header.is-stuck .identity > :not(.language-switch) {
  visibility: hidden;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.nav-inner a {
  display: block;
  padding: 10px 16px 10px;
  border-bottom: 3px solid transparent;
  font-size: 20px;
  color: var(--blue-900);
  white-space: nowrap;
}

.nav-inner a:hover {
  color: var(--blue-700);
  background: var(--blue-50);
}

.nav-inner a[aria-current=page] {
  border-color: var(--blue-600);
  color: var(--blue-600);
  font-weight: 600;
}

.eyebrow {
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  line-height: 1.6;
}

.button {
  padding: 12px 21px;
  background: var(--blue-600);
  color: white;
  display: inline-flex;
  gap: 34px;
  align-items: center;
  font-size: 15px;
}

.button:hover {
  background: var(--blue-700);
  color: white;
}

.button:active {
  background: var(--blue-800);
}

.placeholder {
  background: white;
  border: 1px solid var(--blue-200);
  min-width: 0;
  position: relative;
}

.placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  aspect-ratio: 3/2;
}

.placeholder figcaption {
  font-size: 13px;
  line-height: 1.6;
  padding: 10px 15px;
  color: var(--muted);
  background: var(--blue-50);
  border-top: 1px solid var(--blue-200);
}

.page-heading {
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--blue-200);
}

.page-heading h1 {
  font-size: 44px;
  letter-spacing: 1px;
  margin-top: 12px;
}

.lede {
  margin-top: 14px;
  color: var(--muted);
}

.section {
  padding: 40px 0 8px;
}

.section:last-child {
  padding-bottom: 64px;
}

.section-title {
  display: flex;
  gap: 22px;
  align-items: baseline;
  margin-bottom: 25px;
}

.section-title h2 {
  font-size: 27px;
}

.section-title > span {
  font-size: 12px;
  color: var(--blue-600);
  letter-spacing: 1.5px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.overview > div {
  padding: 20px 0;
}

.overview h3 {
  margin-bottom: 18px;
}

.overview .placeholder img {
  max-height: 275px;
}

.research-row {
  display: grid;
  grid-template-columns: 45px .85fr 1.15fr;
  gap: 28px;
  padding: 30px 0;
  border-top: 1px solid var(--blue-200);
  align-items: start;
}

.row-index {
  font-size: 27px;
  color: var(--blue-500);
  font-weight: 300;
}

.research-row h3 {
  margin: 7px 0 14px;
}

.fields {
  margin-top: 10px;
}

.fields > div {
  display: grid;
  grid-template-columns: 95px 1fr;
  gap: 15px;
  padding: 8px 0;
  border-bottom: 1px solid var(--blue-100);
  font-size: 15px;
}

.fields > div:last-child {
  border-bottom: 0;
}

.fields dt {
  color: var(--muted);
}

.fields dd {
  color: var(--blue-900);
  overflow-wrap: anywhere;
}

.local-nav {
  display: flex;
  gap: 8px 20px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-bottom: 1px solid var(--blue-200);
}

.local-nav a {
  font-size: 14px;
  padding: 4px 10px;
  background: var(--blue-50);
}

.local-nav a:hover {
  background: var(--blue-100);
}

.pi-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 45px;
  padding: 30px;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
}

.portrait img {
  aspect-ratio: 4/5;
  object-fit: contain;
  height: auto;
}

.pi-card h3 {
  font-size: 30px;
  margin-top: 8px;
}

.pending-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 20px;
  font-size: 18px;
  color: var(--blue-200);
}

.people-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.person-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  border-top: 1px solid var(--blue-200);
  padding-top: 25px;
}

.person-card h3 {
  font-size: 19px;
}

.person-card .fields > div {
  grid-template-columns: 68px 1fr;
  gap: 8px;
  font-size: 14px;
  padding: 6px 0;
}

.publication {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 36px;
  border-top: 1px solid var(--blue-200);
  padding: 28px 0;
}

.publication h3 {
  margin: 10px 0 14px;
}

.pending {
  font-size: 14px;
  display: inline-block;
  color: var(--muted);
  border-bottom: 1px dashed var(--blue-300);
  margin-top: 18px;
}

.compact {
  grid-template-columns: 250px 1fr;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 28px;
  padding: 35px 0 64px;
}

.news-card {
  border: 1px solid var(--blue-200);
  background: white;
}

.news-card > .placeholder {
  border-width: 0 0 1px;
}

.news-body {
  padding: 22px;
}

.tag {
  display: inline-block;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: 13px;
  padding: 2px 10px;
  margin-bottom: 14px;
}

.news-card h2 {
  font-size: 21px;
  margin-bottom: 12px;
}

.news-card p {
  font-size: 15px;
  color: var(--muted);
}

.news-card .meta {
  font-size: 13px;
  padding-top: 14px;
  margin-top: 20px;
  border-top: 1px solid var(--blue-100);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 28px;
}

.equipment-card > div {
  padding: 22px 0 0;
}

.equipment-card h3 {
  margin-top: 8px;
}

.environment {
  border-top: 1px solid var(--blue-200);
  padding-top: 25px;
}

.environment h3 {
  margin-bottom: 18px;
}

.resource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.resource-card {
  padding: 30px;
  border: 1px solid var(--blue-200);
  border-top: 3px solid var(--blue-600);
}

.resource-card h3 {
  margin: 12px 0 18px;
}

.internal-resource {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 45px;
  padding: 36px;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
}

.internal-resource h3 {
  font-size: 27px;
  margin: 10px 0 18px;
}

.internal-resource p {
  font-size: 15px;
}

.resource-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--blue-200);
}

.resource-list li {
  padding: 10px 4px;
  border-bottom: 1px solid var(--blue-200);
  font-size: 15px;
}

.job-card {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 60px;
  border: 1px solid var(--blue-200);
  border-top: 4px solid var(--blue-600);
  padding: 40px;
  margin: 40px 0 80px;
  align-items: center;
}

.job-title h2 {
  font-size: 30px;
  margin: 20px 0 20px;
}

.job-card .fields {
  margin: 0;
}

.job-card .fields > div {
  padding: 18px 0;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--blue-200);
}

.timeline li {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  padding: 27px 0;
  border-bottom: 1px solid var(--blue-200);
}

.timeline h3 {
  font-size: 20px;
  margin-top: 8px;
}

.timeline li > p {
  align-self: center;
}

.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.text-panel {
  padding: 30px;
  background: var(--blue-50);
  border-left: 3px solid var(--blue-600);
}

.text-panel h3 {
  margin-bottom: 20px;
}

.partner .placeholder img {
  height: 170px;
}

.partner h3 {
  margin-top: 20px;
}

.partner p {
  margin-top: 10px;
}

.contact-panel {
  border-top: 1px solid var(--blue-200);
  padding-top: 25px;
}

.contact-panel .placeholder img {
  height: 250px;
}

.site-footer {
  background: var(--blue-900);
  color: var(--blue-200);
  padding: 42px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.1fr 1.15fr;
  gap: 35px;
}

.footer-wordmark {
  font-size: 31px;
  color: white;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
}

.footer-wordmark span {
  font-weight: 400;
}

.footer-brand > p:nth-child(2) {
  font-size: 11px;
  letter-spacing: 1.3px;
  line-height: 1.6;
  margin-top: 13px;
}

.footer-brand > p:last-child {
  font-size: 14px;
  margin-top: 15px;
}

.site-footer h2 {
  color: white;
  font-size: 18px;
  margin-bottom: 16px;
}

.site-footer dt {
  font-size: 16px;
  margin-top: 0px;
}

.site-footer dd {
  font-size: 13px;
  color: var(--blue-300);
}

.site-footer a {
  color: var(--blue-200);
  font-size: 13px;
  display: inline-block;
  margin: 0px 0;
}

.site-footer a:hover {
  color: white;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  margin-top: 35px;
  padding-top: 17px;
  border-top: 1px solid var(--blue-500);
  font-size: 12px;
  color: var(--blue-300);
}

@media print {
  .site-header,
  .site-footer,
  .local-nav,
  .skip-link {
    display: none;
  }

  .container {
    width: 100%;
  }

  body {
    font-size: 12pt;
  }

  .page-heading {
    padding-top: 0;
  }

  .section {
    padding-top: 20px;
  }

  .placeholder img {
    max-height: 220px;
  }

  .publication,
  .person-card,
  .research-row,
  .news-card,
  .equipment-card {
    break-inside: avoid;
  }

  h1,
  h2,
  h3 {
    break-after: avoid;
  }

}

.identity {
  position: relative;
}

.language-switch {
  position: relative;
  flex-shrink: 0;
  line-height: 1.4;
  transform: translateY(5px);
}

.language-switch details {
  position: relative;
}

.language-switch summary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  width: max-content;
  min-width: 0;
  padding: 4px 7px;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--blue-200);
  color: var(--blue-900);
  list-style: none;
  user-select: none;
}

.language-switch summary::-webkit-details-marker {
  display: none;
}

.language-switch summary::after {
  content: "▾";
  font-size: 15px;
  color: var(--muted);
}

.language-switch details[open] summary::after {
  content: "▴";
}

.language-switch summary:hover {
  border-color: var(--blue-400);
  color: var(--blue-600);
}

.language-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: max-content;
  min-width: 0;
  background-color: white;
  border: 1px solid var(--blue-200);
  z-index: 1000;
}

.language-menu a {
  display: block;
  text-align: center;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.2;
  color: var(--text);
  white-space: nowrap;
  border: 0;
}

.language-menu a:hover {
  background-color: var(--blue-50);
  color: var(--blue-700);
}

.language-menu a[aria-current="page"] {
  color: var(--blue-700);
  font-weight: 600;
}

.footer-links {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-links li {
  font-size: 16px;
}

html:lang(en) .identity-text strong {
  font-size: 32px;
  letter-spacing: 0;
  line-height: 1.3;
}

html:lang(en) .identity-text span {
  font-size: 15px;
  margin-top: 8px;
}

html:lang(en) .nav-inner {
  gap: 12px;
}

html:lang(en) .nav-inner a {
  font-size: 18px;
  padding-inline: 10px;
}

html:lang(en) .fields > div {
  grid-template-columns: 130px minmax(0, 1fr);
}

html:lang(en) .person-card .fields > div {
  grid-template-columns: 90px minmax(0, 1fr);
}

@media screen and (max-width: 1479px) {
  .identity {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr) minmax(0, 1.1fr) auto;
    height: auto;
    min-height: 120px;
    gap: clamp(12px, 1.5vw, 24px);
    padding-block: 16px;
  }

  .identity > * {
    min-width: 0;
  }

  .brand,
  .school,
  .school img {
    width: 100%;
  }

  .brand {
    max-width: 300px;
  }

  .school {
    margin-left: 0;
    max-width: 400px;
  }

  .identity-text {
    padding-left: clamp(12px, 1.5vw, 24px);
  }

  .identity-text strong {
    font-size: clamp(24px, 3vw, 40px);
    letter-spacing: 1px;
    line-height: 1.4;
  }

  .identity-text span {
    font-size: clamp(11px, 1.15vw, 16px);
    line-height: 1.5;
    margin-top: 4px;
  }

  html:lang(en) .identity-text strong {
    font-size: clamp(22px, 2.2vw, 30px);
  }

  html:lang(en) .identity-text span {
    font-size: clamp(11px, 1.05vw, 15px);
    margin-top: 4px;
  }

  .nav-inner,
  html:lang(en) .nav-inner {
    gap: 8px;
  }

  .nav-inner a,
  html:lang(en) .nav-inner a {
    font-size: clamp(14px, 1.3vw, 18px);
    padding-inline: 8px;
  }
}

@media screen and (max-width: 1100px) {
  .container,
  .identity.container {
    width: calc(100% - 48px);
  }

  .split,
  .people-grid,
  .resource-grid,
  .two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .people-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .research-row {
    grid-template-columns: 32px minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 20px;
  }

  .pi-card {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 28px;
  }

  .person-card {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .publication,
  .compact {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 24px;
  }

  .news-grid,
  .equipment-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .fields > div {
    grid-template-columns: 95px minmax(0, 1fr);
  }

  .person-card .fields > div {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .internal-resource,
  .job-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    padding: 28px;
  }

  .section-title {
    flex-wrap: wrap;
    gap: 10px 20px;
  }

  h1,
  h2,
  h3,
  .fields dt,
  .site-footer a {
    overflow-wrap: anywhere;
  }
}

@media screen and (max-width: 1000px) {
  .nav-inner,
  html:lang(en) .nav-inner {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 8px;
  }

  .nav-inner a,
  html:lang(en) .nav-inner a {
    display: grid;
    align-items: center;
    padding: 9px 4px 6px;
    font-size: 14px;
    line-height: 1.4;
    text-align: center;
    white-space: normal;
  }
}

@media screen and (max-width: 900px) {
  .identity {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr) auto;
    gap: 14px 20px;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .identity-text {
    grid-column: 2;
    grid-row: 1;
  }

  .language-switch {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    transform: none;
  }

  .school {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
    width: min(340px, 50%);
    transform: none;
  }
}

@media screen and (max-width: 760px) {
  .container,
  .identity.container {
    width: calc(100% - 36px);
  }

  .page-heading {
    padding: 30px 0 25px;
  }

  .page-heading h1 {
    font-size: 34px;
  }

  .section {
    padding-top: 30px;
  }

  .section-title h2 {
    font-size: 23px;
  }

  .split,
  .resource-grid,
  .internal-resource,
  .job-card,
  .two-columns,
  .publication,
  .compact,
  .pi-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .pi-card,
  .resource-card,
  .internal-resource,
  .job-card,
  .text-panel {
    padding: 22px;
  }

  .pi-card > .portrait {
    width: min(210px, 100%);
  }

  .research-row {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 16px;
  }

  .research-row > div:last-child {
    grid-column: 2;
  }

  .publication .placeholder img {
    max-height: 245px;
  }

  .news-body {
    padding: 18px;
  }

  .timeline li {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .job-card {
    margin: 30px 0 50px;
  }

  .local-nav {
    gap: 8px;
  }
}

@media screen and (max-width: 600px) {
  .identity {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: 14px 12px;
  }

  .brand {
    max-width: 150px;
  }

  .school {
    grid-column: 2 / 4;
    grid-row: 1;
    width: 100%;
    max-width: 240px;
    justify-self: end;
  }

  .identity-text {
    grid-column: 1 / 3;
    grid-row: 2;
    padding-left: 0;
    border-left: 0;
  }

  .identity-text strong,
  html:lang(en) .identity-text strong {
    font-size: clamp(20px, 5vw, 28px);
    letter-spacing: 0;
  }

  .identity-text span,
  html:lang(en) .identity-text span {
    font-size: 10px;
    letter-spacing: 0.4px;
  }

  .language-switch {
    grid-column: 3;
    grid-row: 2;
  }

  .language-switch summary {
    font-size: 13px;
    padding: 7px;
  }

  .nav-inner,
  html:lang(en) .nav-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .news-grid,
  .equipment-grid,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
  }

  .person-card {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 16px;
  }

  .person-card .fields > div,
  html:lang(en) .person-card .fields > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}

@media screen and (max-width: 400px) {
  .fields > div,
  html:lang(en) .fields > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-heading h1 {
    font-size: 30px;
  }
}