:root {
  color-scheme: light;
  --ink: #24292e;
  --body: #48515b;
  --muted: #69717c;
  --accent: #166653;
  --accent-hover: #104a3d;
  --line: #e7e9ec;
  --soft: #f5f7f7;
  --review: #8a642d;
  --width: 1080px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
  border-radius: 2px;
}

::selection {
  color: #123f34;
  background: #dcece5;
}

h1, h2, h3, h4, p {
  margin: 0;
}

h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.4;
}

h2 {
  font-size: 25px;
  font-weight: 650;
  line-height: 1.35;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 100;
  padding: 8px 16px;
  background: #fff;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--width), calc(100% - 80px));
  min-height: 72px;
  margin-inline: auto;
}

.brand {
  flex-shrink: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 650;
}

.brand-dot {
  color: var(--accent);
}

.brand:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-self: stretch;
  font-size: 14px;
}

.nav-links a {
  display: flex;
  align-items: center;
  position: relative;
  min-height: 44px;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a[aria-current] {
  color: var(--ink);
  text-decoration: none;
}

.nav-links a[aria-current]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--accent);
}

.academic-shell {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: 72px;
  width: min(var(--width), calc(100% - 80px));
  margin-inline: auto;
  padding-top: 56px;
}

.profile-sidebar {
  position: sticky;
  top: 112px;
  align-self: start;
}

.profile-avatar {
  width: 144px;
  height: 144px;
  aspect-ratio: 1;
  border-radius: 8px;
  object-fit: cover;
  margin-bottom: 24px;
}

.profile-identity h1 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
}

.name-cn {
  margin-top: 7px;
  color: var(--muted);
  font-size: 18px;
}

.profile-role {
  margin-top: 21px;
  font-size: 15px;
  font-weight: 600;
}

.profile-affiliation {
  margin-top: 3px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.profile-contact {
  margin-top: 21px;
  font-size: 14px;
}

.email-link {
  display: inline-block;
  padding-block: 5px;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 17px;
  margin-top: 5px;
  font-size: 13px;
}

.profile-links a {
  padding-block: 6px;
}

.profile-links span,
.section-link span,
.contact-links span {
  margin-left: 2px;
  color: var(--muted);
}

.profile-focus {
  margin-top: 27px;
  padding-top: 19px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.content-flow {
  min-width: 0;
}

.prose {
  margin-top: 19px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.8;
}

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

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

.research-section {
  margin-top: 36px;
}

.research-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 21px 30px;
  margin: 22px 0 0;
}

.research-list div {
  padding-left: 14px;
  border-left: 2px solid #bfd3c9;
}

.research-list div:nth-child(2) {
  border-color: #bdcddd;
}

.research-list div:nth-child(3) {
  border-color: #d8c5b5;
}

.research-list div:nth-child(4) {
  border-color: #cfc9d6;
}

.research-list dt {
  font-size: 14px;
  font-weight: 650;
  line-height: 1.5;
}

.research-list dd {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.publications-section {
  margin-top: 47px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.section-link {
  flex-shrink: 0;
  font-size: 12px;
}

.publication-group {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  margin-top: 25px;
}

.group-label {
  padding-top: 1px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.publication-list {
  display: grid;
  gap: 24px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.publication {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  align-items: start;
  column-gap: 14px;
}

.publication-body {
  min-width: 0;
}

.publication h4,
.publication-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.publication-title {
  color: var(--ink);
}

a.publication-title:hover {
  color: var(--accent);
}

.authors {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.authors strong {
  color: var(--body);
  font-weight: 650;
}

.venue {
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.7;
}

.journal {
  color: var(--accent);
  font-weight: 700;
}

.citation {
  color: var(--muted);
}

.publication-resource {
  position: relative;
  display: grid;
  grid-column: 2;
  grid-row: 1;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-top: -5px;
  border-radius: 6px;
  color: var(--muted);
}

.publication-resource svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.publication-resource:hover,
.publication-resource:focus-visible {
  color: var(--ink);
  background: var(--soft);
  text-decoration: none;
}

.resource-tooltip {
  position: absolute;
  right: 0;
  bottom: calc(100% + 5px);
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--ink);
  color: #fff;
  font-size: 11px;
  line-height: 1.6;
  white-space: nowrap;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.publication-resource:hover .resource-tooltip,
.publication-resource:focus-visible .resource-tooltip {
  visibility: visible;
  opacity: 1;
}

.under-review {
  margin-top: 33px;
  padding-top: 23px;
  border-top: 1px solid var(--line);
}

.under-review h3 {
  color: var(--review);
  font-size: 14px;
  font-weight: 600;
}

.under-review .publication-list {
  margin-top: 20px;
  margin-left: 66px;
}

.under-review .journal {
  color: var(--body);
}

.background-section,
.education-section {
  margin-top: 46px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.timeline {
  display: grid;
  gap: 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 147px minmax(0, 1fr);
  gap: 20px;
}

.timeline-date {
  padding-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.timeline h3 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.timeline li > div > p {
  margin-top: 3px;
  color: var(--body);
  font-size: 13px;
}

.timeline li > div > .timeline-detail {
  color: var(--muted);
  font-size: 12px;
}

.contact-section {
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.contact-section h2 {
  font-size: 21px;
}

.contact-section > p {
  margin-top: 13px;
  color: var(--body);
  font-size: 14px;
}

.contact-section > p > a {
  overflow-wrap: anywhere;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 12px;
  font-size: 13px;
}

.contact-links a {
  padding-block: 6px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 46px;
  padding-block: 21px 29px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 1050px) {
  .academic-shell {
    grid-template-columns: 195px minmax(0, 1fr);
    gap: 42px;
  }

  .header-inner,
  .academic-shell {
    width: calc(100% - 64px);
  }

  .profile-identity h1 {
    font-size: 28px;
  }

  .research-list {
    gap: 20px;
  }

  .timeline li {
    grid-template-columns: 129px minmax(0, 1fr);
    gap: 16px;
  }
}

@media (max-width: 780px) {
  .header-inner,
  .academic-shell {
    width: min(620px, calc(100% - 48px));
  }

  .header-inner {
    min-height: 64px;
    gap: 16px;
  }

  .brand {
    font-size: 15px;
  }

  .nav-links {
    gap: 18px;
    font-size: 12px;
  }

  .academic-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
    padding-top: 32px;
  }

  .profile-sidebar {
    position: static;
    padding-bottom: 27px;
    border-bottom: 1px solid var(--line);
  }

  .profile-intro {
    display: flex;
    gap: 25px;
    align-items: center;
  }

  .profile-avatar {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    margin: 0;
  }

  .profile-identity h1 {
    font-size: 28px;
  }

  .name-cn {
    margin-top: 3px;
    font-size: 16px;
  }

  .profile-role {
    margin-top: 10px;
    font-size: 13px;
  }

  .profile-affiliation {
    font-size: 12px;
    line-height: 1.6;
  }

  .profile-contact {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 3px 22px;
    margin-top: 16px;
    font-size: 13px;
  }

  .profile-links {
    margin-top: 0;
  }

  .profile-focus {
    display: none;
  }

  h2 {
    font-size: 23px;
  }

  .prose {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  html {
    scroll-padding-top: 119px;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding-top: 13px;
  }

  .nav-links {
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    font-size: 13px;
  }

  .nav-links a {
    min-height: 45px;
  }

  .academic-shell {
    padding-top: 27px;
  }

  .profile-intro {
    gap: 20px;
  }

  .profile-avatar {
    width: 102px;
    height: 120px;
    aspect-ratio: auto;
  }

  .profile-identity h1 {
    font-size: 26px;
  }

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

  .research-section {
    margin-top: 28px;
  }

  .research-list dd {
    margin-top: 3px;
  }

  .publications-section {
    margin-top: 36px;
  }

  .publication-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 15px;
    margin-top: 21px;
  }

  .group-label {
    color: var(--accent);
  }

  .publication {
    gap: 10px;
  }

  .publication.has-resource {
    grid-template-columns: minmax(0, 1fr) 36px;
  }

  .publication:not(.has-resource) {
    grid-template-columns: minmax(0, 1fr);
  }

  .publication h4,
  .publication-title {
    font-size: 16px;
  }

  .authors {
    font-size: 13px;
  }

  .publication-list {
    gap: 27px;
  }

  .under-review .publication-list {
    margin-left: 0;
  }

  .timeline li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .background-section,
  .education-section {
    margin-top: 36px;
    padding-top: 27px;
  }
}

@media (min-width: 781px) and (max-height: 720px) {
  .profile-sidebar {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

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

  .academic-shell {
    display: block;
    width: 100%;
    padding: 0;
  }

  .profile-sidebar {
    position: static;
    margin-bottom: 24px;
  }

  .profile-avatar,
  .profile-focus {
    display: none;
  }

  .profile-identity h1 {
    font-size: 28px;
  }

  .publication,
  .timeline li {
    break-inside: avoid;
  }

  a,
  .journal {
    color: #24292e;
  }
}