:root {
  --ink: #172036;
  --muted: #606a7d;
  --soft: #8b93a3;
  --line: #dfe3eb;
  --surface: #f7f7fa;
  --purple: #6f268f;
  --purple-dark: #4e176a;
  --purple-soft: #f4edf7;
  --paper: #ffffff;
  --serif: Georgia, "Times New Roman", "Noto Serif", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 2%, rgba(111, 38, 143, 0.045), transparent 30rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--purple);
  text-decoration-color: rgba(111, 38, 143, 0.32);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

a:hover,
a:focus-visible {
  color: var(--purple-dark);
  text-decoration-color: currentColor;
}

a:focus-visible {
  outline: 3px solid rgba(111, 38, 143, 0.2);
  outline-offset: 4px;
  border-radius: 2px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 8px 12px;
  color: #fff;
  background: var(--purple-dark);
  transform: translateY(-160%);
}

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

.page-shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 36px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 235px;
  gap: clamp(46px, 8vw, 92px);
  align-items: center;
  padding: 18px 14px 76px;
  border-bottom: 1px solid var(--line);
}

.section-index,
.publication-meta,
.visitor-kicker {
  margin: 0;
  color: var(--purple);
  font-size: 0.74rem;
  font-weight: 760;
  letter-spacing: 0.145em;
  text-transform: uppercase;
}

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

h1 {
  margin: 9px 0 2px;
  font-family: var(--serif);
  font-size: clamp(2.65rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

h1 span {
  margin-left: 0.28em;
  color: var(--soft);
  font-family: "Noto Serif CJK SC", "Songti SC", STSong, serif;
  font-size: 0.46em;
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
}

.role {
  margin: 14px 0 24px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
}

.bio {
  max-width: 670px;
}

.bio p {
  margin-bottom: 14px;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 27px;
  font-size: 0.96rem;
  font-weight: 650;
}

.profile-links span {
  color: #b0b5bf;
  font-weight: 400;
}

.portrait-wrap {
  position: relative;
  margin: 0;
}

.portrait-wrap::before {
  position: absolute;
  inset: 12px -13px -13px 12px;
  z-index: -1;
  border: 1px solid rgba(111, 38, 143, 0.3);
  border-radius: 4px;
  content: "";
}

.portrait {
  width: 100%;
  height: 294px;
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  object-fit: cover;
  object-position: center 25%;
  box-shadow: 0 18px 45px rgba(31, 24, 48, 0.13);
}

.section {
  padding: 68px 14px 12px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 1px 0 0;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.education-list {
  border-top: 1px solid var(--ink);
}

.education-item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 23px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.school-mark {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.education-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}

.education-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
}

.education-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.education-item .degree {
  margin-top: 4px;
  color: var(--ink);
  font-weight: 650;
}

.education-item .date {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.publication-heading {
  align-items: flex-end;
}

.contribution-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.publication-list {
  display: grid;
  gap: 34px;
}

.publication-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.3fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 30px rgba(27, 24, 37, 0.045);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.publication-card:hover {
  border-color: #c9bdd0;
  box-shadow: 0 18px 44px rgba(27, 24, 37, 0.075);
  transform: translateY(-2px);
}

.publication-visual {
  display: grid;
  place-items: center;
  min-height: 205px;
  padding: 12px;
  overflow: hidden;
  border-radius: 7px;
  background: var(--surface);
}

.publication-visual img {
  width: 100%;
  max-height: 245px;
  object-fit: contain;
  transition: transform 250ms ease;
}

.publication-card:hover .publication-visual img {
  transform: scale(1.012);
}

.publication-copy h3 {
  margin: 6px 0 10px;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.6vw, 1.55rem);
  line-height: 1.28;
}

.publication-copy h3 a {
  color: var(--ink);
  text-decoration: none;
}

.publication-copy h3 a:hover {
  color: var(--purple);
}

.authors {
  font-size: 0.92rem;
  line-height: 1.58;
}

.authors {
  margin-bottom: 10px;
  color: #4f586a;
}

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

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.paper-links a {
  padding: 4px 11px;
  border: 1px solid #d4c7da;
  border-radius: 999px;
  color: var(--purple-dark);
  font-size: 0.78rem;
  font-weight: 720;
  text-decoration: none;
}

.paper-links a:hover {
  border-color: var(--purple);
  background: var(--purple-soft);
}

.visitors {
  padding-bottom: 60px;
}

.visitor-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafafd;
}

.visitor-widget {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 285px;
  overflow: hidden;
}

.visitor-widget img,
.visitor-widget canvas {
  display: block;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 14px 0;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 0.78rem;
}

footer p {
  margin: 0;
}

.reveal-ready .section,
.reveal-ready .hero {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal-ready .is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 28px, 620px);
    padding-top: 36px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 12px 6px 54px;
  }

  .portrait-wrap {
    grid-row: 1;
    width: min(210px, 58vw);
    margin: 0 auto;
  }

  .portrait {
    height: min(262px, 72vw);
  }

  .hero-copy {
    text-align: center;
  }

  .bio {
    text-align: left;
  }

  .profile-links {
    justify-content: center;
  }

  .section {
    padding: 52px 6px 8px;
  }

  .publication-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .publication-visual {
    min-height: 180px;
  }

  footer {
    flex-direction: column;
    gap: 3px;
    padding-inline: 6px;
  }
}

@media (max-width: 500px) {
  body {
    font-size: 15px;
  }

  h1 span {
    display: block;
    margin: 10px 0 0;
  }

  .education-item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 15px;
    align-items: start;
  }

  .school-mark {
    width: 44px;
    height: 44px;
  }

  .education-title-row {
    display: block;
  }

  .education-item .date {
    margin-top: 3px;
  }

  .publication-heading {
    display: block;
  }

  .contribution-note {
    margin-top: 8px;
  }

}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}