:root {
  --blue: #003f88;
  --blue-dark: #082d57;
  --blue-soft: #eaf1f8;
  --ink: #17202b;
  --muted: #5e6875;
  --faint: #87919d;
  --line: #dce3ea;
  --line-strong: #c8d2dc;
  --paper: #f6f8fa;
  --surface: #ffffff;
  --max: 1120px;
  --serif: Georgia, "Times New Roman", "Songti SC", "Noto Serif CJK SC", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:focus-visible {
  outline: 3px solid rgba(0, 63, 136, .22);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: -70px;
  left: 20px;
  padding: .65rem 1rem;
  color: #fff;
  background: var(--blue);
}

.skip-link:focus { top: 16px; }

/* Navigation */

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav-container {
  width: min(100%, var(--max));
  min-height: 72px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.site-name {
  flex: 0 0 auto;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.015em;
}

.site-name::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 8px;
  background: var(--blue);
  border-radius: 50%;
  vertical-align: .12em;
}

nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
}

nav a {
  flex: 0 0 auto;
  color: #485360;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .015em;
}

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

nav .language {
  padding: .28rem .65rem;
  color: var(--blue);
  border: 1px solid #aebfd1;
  border-radius: 3px;
}

nav .language:hover {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

/* Page frame and hero */

.container {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 30px;
}

.container > section {
  padding: 44px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero {
  min-height: 530px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: center;
  gap: 76px;
  border-bottom: 0 !important;
}

.portrait {
  position: relative;
  width: 220px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--blue-soft);
  border: 1px solid var(--line-strong);
}

.portrait::after {
  content: "";
  position: absolute;
  inset: auto -1px -1px auto;
  width: 58px;
  height: 5px;
  background: var(--blue);
}

.portrait img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.portrait span {
  height: 100%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--blue);
  font-family: var(--serif);
  font-size: 4rem;
}

.hero-info { min-width: 0; }

.eyebrow {
  margin: 0 0 17px;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .22em;
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.25rem, 6vw, 4.8rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.045em;
}

.hero h1 span {
  margin-left: .55rem;
  color: var(--faint);
  font-family: var(--serif);
  font-size: .34em;
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
}

.position {
  margin: 28px 0 0;
  color: var(--blue);
  font-size: 1.07rem;
  font-weight: 750;
}

.affiliation {
  margin: 3px 0 0;
  color: #46515d;
  font-size: .95rem;
}

.research-summary {
  max-width: 720px;
  margin: 22px 0 0;
  color: #46515d;
  font-size: .96rem;
}

.research-summary i {
  padding: 0 .3rem;
  color: #9cb2c8;
  font-style: normal;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 23px;
}

.profile-links a {
  min-width: 76px;
  padding: .42rem .82rem;
  color: var(--blue);
  background: #fff;
  border: 1px solid #b8c7d6;
  border-radius: 3px;
  font-size: .82rem;
  font-weight: 700;
  text-align: center;
}

.profile-links a:hover {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
  text-decoration: none;
}

.hero-facts {
  max-width: 720px;
  margin: 33px 0 0;
  padding: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  min-width: 0;
  padding: 0 22px;
  border-left: 1px solid var(--line);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  color: var(--blue-dark);
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
}

.hero-facts dd {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .73rem;
  line-height: 1.45;
}

/* Section hierarchy */

.section-heading {
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 36px max-content 1fr;
  align-items: center;
  gap: 15px;
}

.section-heading::after {
  content: "";
  height: 1px;
  margin-left: 7px;
  background: var(--line);
}

.section-heading > p,
.publication-heading > div > p {
  margin: 0;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3vw, 2.35rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -.025em;
}

.prose {
  max-width: 850px;
  margin-left: 51px;
  color: #36414d;
  font-family: var(--serif);
  font-size: 1.03rem;
  line-height: 1.85;
}

.prose p { margin: 0 0 18px; }

/* Research */

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.research-grid article {
  min-height: 190px;
  padding: 23px 23px 25px;
  border-left: 1px solid var(--line);
}

.research-grid article:first-child { border-left: 0; }

.research-grid span {
  color: var(--blue);
  font-family: var(--serif);
  font-size: .8rem;
}

.research-grid h3,
.theme-list h3 {
  margin: 27px 0 8px;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.35;
}

.research-grid p,
.theme-list p {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.62;
}

/* News and timelines */

.news-list,
.award-list {
  border-top: 1px solid var(--line-strong);
}

.news-list article,
.award-list article,
.experience {
  display: grid;
  grid-template-columns: 155px 1fr;
  gap: 28px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.news-list time,
.award-list time,
.experience time {
  color: var(--blue);
  font-size: .8rem;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.news-list p,
.award-list p,
.experience h3,
.experience p { margin: 0; }

.news-list p { color: #37424e; }

.award-list p {
  color: var(--muted);
  font-size: .92rem;
}

.award-list p strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
}

.experience h3 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
}

.experience p {
  margin-top: 2px;
  color: var(--muted);
  font-size: .9rem;
}

/* Publication highlights */

.publication-heading {
  grid-template-columns: 1fr max-content;
  align-items: end;
}

.publication-heading::after { display: none; }

.publication-heading > div {
  display: grid;
  grid-template-columns: 36px max-content;
  align-items: center;
  gap: 15px;
}

.publication-heading > a {
  padding-bottom: 3px;
  font-size: .77rem;
  font-weight: 750;
}

.list-heading {
  margin: 0 0 13px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.publication-list {
  border-top: 1px solid var(--line-strong);
}

.publication {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 28px;
  padding: 25px 0 26px;
  border-bottom: 1px solid var(--line);
}

.publication:hover { background: rgba(234, 241, 248, .32); }

.pub-index {
  color: var(--faint);
  font-size: .72rem;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}

.pub-index b {
  color: var(--blue);
  font-family: var(--serif);
  font-size: 1.36rem;
}

.publication h3 {
  max-width: 830px;
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: -.01em;
}

.authors,
.venue {
  margin: 2px 0;
  color: #4d5864;
  font-size: .9rem;
  line-height: 1.55;
}

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

.tags,
.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.tags span {
  padding: .13rem .5rem;
  color: #536171;
  background: var(--paper);
  border: 1px solid #e0e6ec;
  border-radius: 2px;
  font-size: .68rem;
  line-height: 1.35;
}

.pub-links { gap: 18px; }

.pub-links a {
  font-size: .77rem;
  font-weight: 750;
}

/* Complete compact bibliography */

.complete-publications {
  margin-top: 52px;
  padding: 35px 40px 40px;
  background: var(--paper);
  border-top: 4px solid var(--blue);
}

.list-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.list-title-row h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 500;
}

.list-title-row span,
.publication-note {
  color: var(--muted);
  font-size: .76rem;
}

.publication-note { margin: 4px 0 31px; }

.complete-publications h4 {
  margin: 29px 0 9px;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.complete-publications ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: papers;
}

.complete-publications ol[start="15"] { counter-reset: papers 14; }

.complete-publications li {
  counter-increment: papers;
  display: grid;
  grid-template-columns: 30px 50px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid #d8dfe6;
}

.complete-publications li::before {
  content: counter(papers) ".";
  color: var(--faint);
  font-family: var(--serif);
  font-size: .76rem;
  font-variant-numeric: tabular-nums;
}

.complete-publications li:last-child { border-bottom: 1px solid #d8dfe6; }

.complete-publications li p {
  margin: 0;
  color: #4a5561;
  font-size: .84rem;
  line-height: 1.58;
}

.paper-year {
  color: var(--blue);
  font-size: .73rem;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

/* Classification badges */

.tags .ccf,
.tags .quartile,
.ccf-mark,
.quartile-mark {
  font-weight: 800;
  letter-spacing: .025em;
}

.tags .ccf-a,
.ccf-mark.ccf-a {
  color: #92243a;
  background: #fff1f3;
  border-color: #ebc7cf;
}

.tags .ccf-b,
.ccf-mark.ccf-b {
  color: #77520a;
  background: #fff8e7;
  border-color: #e8d5a4;
}

.tags .cas-q1,
.quartile-mark.cas-q1 {
  color: #176046;
  background: #edf8f3;
  border-color: #b9ddcf;
}

.tags .jcr-q1,
.quartile-mark.jcr-q1 {
  color: #654597;
  background: #f5f1fb;
  border-color: #d6c9e7;
}

.ccf-mark,
.quartile-mark {
  display: inline-block;
  margin-left: .35rem;
  padding: .02rem .38rem;
  border: 1px solid;
  border-radius: 2px;
  font-size: .64rem;
  line-height: 1.45;
  vertical-align: .08em;
}

/* Footer */

footer {
  width: 100%;
  margin: 0;
  padding: 48px max(30px, calc((100vw - var(--max)) / 2 + 30px));
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  color: #aebdcb;
  background: var(--blue-dark);
  font-size: .76rem;
}

footer strong {
  color: #fff;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
}

footer p { margin: 4px 0 0; }

/* Responsive */

@media (max-width: 960px) {
  .nav-container {
    min-height: 66px;
    gap: 22px;
  }

  nav { gap: 15px; }
  nav a { font-size: .76rem; }

  .hero {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 52px;
  }

  .portrait { width: 190px; }

  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .research-grid article:nth-child(3) { border-left: 0; }
  .research-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 112px; }

  .topbar { position: sticky; }

  .nav-container {
    min-height: 0;
    padding: 12px 20px 10px;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px 18px;
  }

  .site-name { line-height: 28px; }

  nav {
    order: 3;
    width: 100%;
    padding: 3px 0 1px;
    justify-content: flex-start;
    gap: 19px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  nav::-webkit-scrollbar { display: none; }
  nav .language { order: -1; }

  .container { padding: 0 20px; }
  .container > section { padding: 36px 0 46px; }

  .hero {
    min-height: auto;
    grid-template-columns: 122px minmax(0, 1fr);
    align-items: start;
    gap: 28px;
    padding-top: 44px !important;
  }

  .portrait { width: 122px; }
  .hero-info { display: contents; }
  .portrait { grid-row: 1 / span 4; }

  .eyebrow,
  .hero h1,
  .position,
  .affiliation { grid-column: 2; }

  .eyebrow { margin-top: 2px; }
  .hero h1 { font-size: clamp(2.2rem, 10vw, 3.2rem); }

  .hero h1 span {
    display: block;
    margin: 9px 0 0;
    font-size: .35em;
  }

  .position { margin-top: 16px; }
  .affiliation { font-size: .82rem; }

  .research-summary,
  .profile-links,
  .hero-facts {
    grid-column: 1 / -1;
  }

  .research-summary { margin-top: 0; }

  .hero-facts div { padding: 0 14px; }

  .section-heading {
    grid-template-columns: 25px max-content 1fr;
    gap: 11px;
  }

  .publication-heading { grid-template-columns: 1fr max-content; }
  .publication-heading > div { grid-template-columns: 25px max-content; gap: 11px; }
  .prose { margin-left: 36px; }

  .complete-publications {
    margin-top: 43px;
    padding: 30px 24px 34px;
  }

  footer {
    padding: 40px 20px;
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 520px) {
  .hero {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 22px;
  }

  .portrait { width: 96px; }
  .eyebrow { font-size: .58rem; letter-spacing: .16em; }
  .hero h1 { font-size: 2.12rem; }
  .position { font-size: .92rem; }

  .research-summary i { padding: 0 .15rem; }

  .profile-links a {
    flex: 1 1 30%;
    min-width: 0;
  }

  .hero-facts { gap: 0; }
  .hero-facts div { padding: 0 10px; }
  .hero-facts dt { font-size: 1.3rem; }
  .hero-facts dd { font-size: .66rem; }

  .section-heading h2 { font-size: 1.75rem; }
  .section-heading::after { margin-left: 0; }
  .prose { margin-left: 0; font-size: .98rem; }

  .research-grid { grid-template-columns: 1fr; }
  .research-grid article {
    min-height: auto;
    padding: 22px 20px 24px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
  .research-grid article:first-child { border-top: 0; }
  .research-grid h3 { margin-top: 18px; }

  .news-list article,
  .award-list article,
  .experience {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 25px 0;
  }

  .pub-index br { display: none; }
  .pub-index b { margin-left: 7px; font-size: .9rem; }
  .publication h3 { font-size: 1.1rem; }

  .publication-heading { align-items: end; }
  .publication-heading > a { white-space: nowrap; }

  .complete-publications { padding: 29px 15px 32px; }
  .list-title-row { align-items: flex-start; flex-direction: column; gap: 0; }
  .complete-publications li { grid-template-columns: 25px 42px minmax(0, 1fr); gap: 6px; }
  .complete-publications li p { font-size: .78rem; }
}

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