@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/ibm-plex-sans-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/ibm-plex-sans-medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/ibm-plex-sans-semibold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  --color-paper: #ffffff;
  --color-surface: #f7f7f5;
  --color-ink: #181816;
  --color-muted: #66645f;
  --color-accent: #933f32;
  --color-line: #dedbd4;
  --color-focus: #2d5f85;
  --font-display: "Newsreader", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --page-width: 1040px;
}

html[data-theme="dark"] {
  --color-paper: #111210;
  --color-surface: #1b1c19;
  --color-ink: #f2f0ea;
  --color-muted: #b9b5ab;
  --color-accent: #ee9a86;
  --color-line: #3b3c37;
  --color-focus: #89b6d4;
  color-scheme: dark;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 0.975rem;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}

body, .site-control, .resource-links a {
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

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

p, h1, h2, h3, figure, ol, ul {
  margin-top: 0;
}

a {
  color: var(--color-accent);
  text-decoration-color: color-mix(in srgb, var(--color-accent), transparent 45%);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-color: currentColor;
}

a:focus-visible, button:focus-visible {
  border-radius: 2px;
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  transform: translateY(-160%);
  background: var(--color-ink);
  color: #ffffff;
}

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

.site-controls {
  position: absolute;
  z-index: 9;
  top: 1.1rem;
  right: max(1.125rem, calc((100vw - var(--page-width)) / 2));
  display: flex;
  gap: 0.45rem;
}

.site-control {
  display: inline-flex;
  width: 38px;
  height: 34px;
  padding: 0;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: 5px;
  background: var(--color-surface);
  color: var(--color-muted);
  cursor: pointer;
}

.site-control:hover {
  background: color-mix(in srgb, var(--color-surface), var(--color-ink) 7%);
  color: var(--color-ink);
}

.site-control__language {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
}

.site-control__icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

.site-control__icon--sun {
  display: none;
}

html[data-theme="dark"] .site-control__icon--moon {
  display: none;
}

html[data-theme="dark"] .site-control__icon--sun {
  display: block;
}

.page-shell {
  width: min(calc(100% - 64px), var(--page-width));
  margin-inline: auto;
}

.site-header {
  padding: 3.5rem 0 3.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

h1, h2 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.035em;
}

h1 {
  max-width: none;
  margin-bottom: 0;
  font-size: clamp(2.75rem, 4.4vw, 3.6rem);
  line-height: 0.94;
}

.hero__title {
  margin-bottom: 1.15rem;
}

.name-chinese {
  display: inline-block;
  color: inherit;
  font-family: inherit;
  font-size: 0.62em;
  font-weight: inherit;
  letter-spacing: 0.01em;
  vertical-align: 0.08em;
  white-space: nowrap;
}

.thesis {
  max-width: none;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  line-height: 1.38;
}

.thesis p {
  margin-bottom: 0.12rem;
}

.bio {
  max-width: 69ch;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.94rem;
  line-height: 1.62;
}

.bio p {
  margin-bottom: 0.7rem;
}

.bio p:last-child {
  margin-bottom: 0;
}

.contact-links, .resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
}

.contact-links {
  margin-top: 1.35rem;
}

.contact-links a, .resource-links a {
  font-weight: 600;
  text-decoration-thickness: 1px;
}

.contact-links a {
  font-size: 0.98rem;
}

.resource-links a {
  font-size: 0.9rem;
}

.hero__portrait {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0;
  justify-self: center;
}

.hero__portrait img {
  width: 210px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center center;
  border: 1px solid var(--color-line);
  border-radius: 3px;
}

.section {
  padding: 3rem 0 3.4rem;
  border-top: 1px solid var(--color-line);
}

.section-heading {
  width: 100%;
  margin-bottom: 1.25rem;
}

.section-number {
  display: none;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.85rem, 3.2vw, 2.25rem);
  line-height: 1.08;
}

.publication-status, time {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

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

.news-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 1rem;
  padding: 0.65rem 0;
  border-top: 1px solid color-mix(in srgb, var(--color-line), transparent 35%);
}

.news-item:first-child {
  border-top: 0;
}

.news-item p, .site-footer p {
  margin-bottom: 0;
}

.news-item p {
  font-size: 1.02rem;
  line-height: 1.58;
}

.publication-status {
  margin-bottom: 0;
  color: var(--color-ink);
  font-size: 0.9rem;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.publication-status--award {
  font-style: normal;
  font-weight: 600;
}

.publication-cards {
  display: grid;
}

.publication-card {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.125rem;
  align-items: start;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-line);
}

.publication-card:last-child {
  border-bottom: 0;
}

.publication-card__media {
  margin: 0;
  align-self: start;
}

.publication-card__media picture {
  display: block;
}

.publication-card__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-line);
  border-radius: 5px;
}

.publication-card__body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.3rem;
}

.publication-card h3 {
  margin-bottom: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
}

.publication-card h3 a {
  color: var(--color-ink);
  text-decoration-color: color-mix(in srgb, var(--color-accent), transparent 55%);
}

.authors, .publication-summary {
  margin-bottom: 0;
}

.authors {
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.authors strong {
  color: var(--color-ink);
}

.equal-contribution,
.corresponding-author {
  position: relative;
  top: -0.08em;
  color: var(--color-accent);
  font-size: 0.72em;
  font-weight: 600;
}

.publication-summary {
  max-width: 68ch;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.resource-links {
  gap: 0.375rem;
  margin-top: 0.25rem;
  margin-bottom: 0;
}

.resource-links a {
  padding: 0.1875rem 0.625rem;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: 0.72rem;
  line-height: 1.35;
  text-decoration: none;
}

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

.history-item {
  display: grid;
  grid-template-columns: 130px 220px minmax(0, 1fr);
  grid-template-areas: "period logo details";
  gap: 1rem;
  align-items: center;
  min-height: 104px;
  padding: 1.15rem 0;
  border-top: 1px solid color-mix(in srgb, var(--color-line), transparent 35%);
}

.history-item:first-child {
  border-top: 0;
}

.history-period {
  display: grid;
  grid-area: period;
  gap: 0.08rem;
  align-content: center;
  justify-items: start;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0.035em;
}

.history-period time {
  font: inherit;
  letter-spacing: inherit;
  text-transform: none;
}

.history-period__dash {
  line-height: 0.9;
}

.history-logo {
  display: flex;
  grid-area: logo;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  margin: 0;
}

.history-logo img {
  width: auto;
  max-width: none;
  height: 40px;
  object-fit: contain;
}

.history-logo--pair {
  gap: 1.2rem;
}

.history-logo--doctoral img:last-child {
  height: 46px;
}

.history-details {
  grid-area: details;
}

.history-institution {
  margin-bottom: 0.18rem;
  font-size: 1.08rem;
  font-weight: 600;
}

.history-school {
  margin-bottom: 0.12rem;
  color: var(--color-muted);
  font-size: 0.98rem;
}

.history-details > :last-child {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
}

.history-degree {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.45;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .page-shell {
    width: min(calc(100% - 48px), var(--page-width));
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 2.5rem;
  }

  .hero__portrait img {
    width: 185px;
  }

  .section {
    padding: 2.7rem 0 3rem;
  }

  .publication-card {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .history-item {
    grid-template-columns: 110px 210px minmax(0, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(calc(100% - 36px), var(--page-width));
  }

  .site-header {
    padding: 5rem 0 3rem;
  }

  .site-control {
    width: 44px;
    height: 44px;
  }

  .hero, .publication-card {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 2rem;
  }

  .hero__portrait {
    max-width: 210px;
  }

  .hero__portrait img {
    width: 100%;
  }

  .section {
    padding: 2.5rem 0;
  }

  .publication-card {
    gap: 1.15rem;
  }

  .publication-card__media img {
    width: 100%;
  }

  .history-item {
    grid-template-columns: 100px minmax(0, 1fr);
    grid-template-areas:
      "period logo"
      "period details";
    align-items: start;
  }

  .contact-links a, .resource-links a {
    display: inline-flex;
    min-inline-size: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 0.96rem;
  }

  h1 {
    font-size: clamp(2.15rem, 9.5vw, 2.7rem);
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .history-item {
    grid-template-columns: 1fr;
    grid-template-areas:
      "period"
      "logo"
      "details";
    gap: 0.7rem;
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html, *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  :root {
    --color-paper: #ffffff;
    --color-ink: #000000;
    --color-muted: #333333;
    --color-line: #b8b8b8;
  }

  body {
    font-size: 10.5pt;
  }

  .page-shell {
    width: 100%;
  }

  .site-header, .section {
    padding: 1.5rem 0;
  }

  .skip-link, .site-controls, .hero__portrait, .publication-card__media {
    display: none;
  }

  a {
    color: inherit;
    text-decoration: underline;
  }

  .contact-links a[href]::after, .resource-links a[href]::after {
    content: " (" attr(href) ")";
    overflow-wrap: anywhere;
  }

  .section, .publication-card {
    display: block;
  }

  .section-heading {
    page-break-after: avoid;
    break-after: avoid;
  }

  .publication-card, .history-item {
    break-inside: avoid;
    padding: 0.8rem 0;
  }
}