/* Academic homepage. No external font, icon, or JavaScript dependencies. */
:root {
  color-scheme: light;
  --ink: #20293b;
  --muted: #606c80;
  --line: #e2e7ef;
  --blue: #335acb;
  --cyan: #147d8d;
  --soft: #f5f7fb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: #fff; color: var(--ink); font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
a { color: var(--blue); text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 3px solid #e49d24; outline-offset: 4px; }
[hidden] { display: none !important; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
section { scroll-margin-top: 90px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: -100px; z-index: 10; padding: .6rem 1rem; background: white; border: 2px solid var(--blue); }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.header-inner { max-width: 1272px; margin: auto; padding: 14px 36px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.wordmark { font-size: 26px; line-height: 1; font-weight: 800; letter-spacing: -1px; color: var(--ink); }
.wordmark span { color: var(--blue); }
.site-header nav { display: flex; flex-wrap: wrap; gap: 28px; }
.site-header nav a { color: #536074; font-size: 13px; font-weight: 600; }
.site-header nav a:hover { color: var(--blue); }
.site-shell { max-width: 1272px; margin: auto; padding: 48px 36px 60px; display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 56px; }
.profile { position: sticky; top: 102px; align-self: start; }
.profile-photo { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 18px; background: var(--soft); }
.profile h2 { margin: 21px 0 5px; font-size: 25px; line-height: 1.3; letter-spacing: -.7px; }
.profile h2 span { display: block; margin-top: 8px; font-size: 16px; font-weight: 400; letter-spacing: 2px; color: var(--muted); }
.profile-role { margin: 15px 0 6px; font-size: 13px; font-weight: 650; }
.profile-affiliation { color: var(--muted); font-size: 12px; line-height: 1.85; }
.profile-links { display: grid; gap: 4px; margin: 20px 0; }
.profile-links a { display: grid; grid-template-columns: 23px 1fr 15px; padding: 5px 0; align-items: center; font-size: 13px; color: var(--ink); }
.profile-links a span { color: var(--blue); }
.profile-current { display: flex; gap: 10px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.6; }
.profile-current strong { color: var(--ink); font-weight: 600; }
.status-dot { flex: 0 0 6px; height: 6px; border-radius: 50%; background: #20816f; margin-top: 7px; }
main { min-width: 0; }
.section-kicker { margin: 46px 0 7px; color: var(--cyan); font-size: 10px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.about-copy { padding-top: 2px; }
.about-copy .section-kicker { margin-top: 6px; font-size: 11px; letter-spacing: .13em; }
.about-copy h2 { margin-bottom: 14px; font-size: 29px; letter-spacing: -.8px; }
.about-copy .intro { max-width: 880px; font-size: 15px; line-height: 1.82; }
.home-modern h2 { margin: 0 0 19px; color: var(--ink); font-size: 25px; font-weight: 650; letter-spacing: -.7px; line-height: 1.3; }
.intro { margin-bottom: 14px; font-size: 14px; line-height: 1.85; color: #455269; }
.intro strong { font-weight: 650; color: var(--ink); }
.research-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 24px; }
.research-card { padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: #fafbfd; }
.research-number { color: #536d9f; font-size: 9px; font-weight: 750; letter-spacing: .1em; }
.research-card h3 { margin: 8px 0 4px; font-size: 13px; font-weight: 650; }
.research-card p { margin: 0; color: var(--muted); font-size: 11px; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; }
.section-heading h2 { margin-bottom: 8px; }
.section-heading > a { flex-shrink: 0; font-size: 12px; }
.section-note { font-size: 11px; color: var(--muted); margin-bottom: 15px; }
.pub-filters { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 19px; }
.pub-filters button { border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 6px 10px; color: #526078; font-size: 11px; cursor: pointer; }
.pub-filters button.active { border-color: #335acb; color: #fff; background: #335acb; }
.pub-filters button:hover:not(.active) { background: var(--soft); border-color: #a3b5d8; }
.pub-list { display: grid; gap: 13px; }
.pub { padding: 19px 21px; border: 1px solid var(--line); border-left: 3px solid #90a8dc; border-radius: 9px; background: #fff; }
.pub:hover { border-left-color: var(--blue); background: #fcfdff; }
.pub-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin-bottom: 8px; }
.venue { color: #a04c37; background: #fcf3ef; border-radius: 4px; padding: 2px 7px; font-size: 10px; font-weight: 700; }
.pub-topic { font-size: 10px; color: var(--muted); }
.pub h3 { margin: 0 0 8px; font-size: 15px; line-height: 1.5; font-weight: 650; }
.pub h3 a { color: #253f75; }
.pub .authors p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.authors strong { color: var(--ink); }
.pub .links { margin-top: 10px; font-size: 11px; font-weight: 650; }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.detail-section h3 { margin: 24px 0 10px; font-size: 15px; }
.detail-section ul { padding-left: 18px; color: #455269; font-size: 13px; }
.detail-section li { margin-bottom: 10px; padding-left: 3px; }
.detail-section li::marker { color: #879cc5; }
.detail-section li ul { margin-top: 4px; color: var(--muted); font-size: 12px; }
.detail-section li ul li { margin-bottom: 3px; }
.contact { margin-top: 45px; padding: 25px 28px; border-radius: 12px; background: #f0f6f9; border: 1px solid #dfecef; }
.contact .section-kicker { margin-top: 0; }
.contact h2 { margin-bottom: 6px; font-size: 21px; }
.contact p:last-child { margin: 0; font-size: 13px; }
.visitor-map { max-width: 620px; margin: 30px auto 0; padding: 22px 24px 24px; border: 1px solid var(--line); border-radius: 14px; background: #fafbfd; text-align: center; }
.visitor-map .section-kicker { margin: 0 0 4px; }
.visitor-map h2 { margin-bottom: 2px; font-size: 20px; }
.visitor-map .map-note { margin-bottom: 12px; color: var(--muted); font-size: 11px; }
.visitor-map-frame { width: min(100%, 520px); margin: 0 auto; overflow: hidden; }
.visitor-map-frame img, .visitor-map-frame iframe, .visitor-map-frame canvas { display: block; max-width: 100% !important; height: auto !important; margin: 0 auto; }
.site-footer { max-width: 1200px; margin: 0 auto; padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
@media (min-width: 1450px) { .site-shell { gap: 64px; } }
@media (max-width: 1100px) {
  .header-inner { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 11px 20px 9px; }
  .wordmark { font-size: 23px; letter-spacing: -.6px; }
  .site-header nav { width: 100%; flex-wrap: nowrap; gap: 17px; overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
  .site-header nav::-webkit-scrollbar { display: none; }
  .site-header nav a { flex: 0 0 auto; font-size: 11px; letter-spacing: .01em; }
  .site-shell { padding: 25px 20px 42px; grid-template-columns: 1fr; gap: 24px; }
  .profile { position: static; display: grid; grid-template-columns: 92px minmax(0,1fr); column-gap: 18px; align-items: start; }
  .profile-photo { width: 92px; height: 92px; border-radius: 12px; grid-row: 1 / 4; }
  .profile h2 { margin: 0; font-size: 22px; }
  .profile h2 span { display: inline; margin-left: 8px; font-size: 13px; }
  .profile-role { margin: 5px 0 0; font-size: 12px; }
  .profile-affiliation { margin: 3px 0 0; font-size: 10px; }
  .profile-links { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 18px; margin: 14px 0 0; }
  .profile-links a { display: flex; gap: 7px; font-size: 12px; }
  .profile-current { display: none; }
  .site-footer { margin: 0 20px; flex-wrap: wrap; }
  .site-footer > span:nth-child(2) { display: none; }
}
@media (max-width: 480px) {
  .header-inner { padding: 10px 16px 8px; gap: 5px; }
  .wordmark { font-size: 22px; }
  .site-header nav { gap: 15px; }
  .site-header nav a { font-size: 10px; }
  .site-shell { padding: 22px 16px 36px; }
  .about-copy .intro { font-size: 14px; line-height: 1.72; }
  .research-grid { grid-template-columns: 1fr; gap: 8px; }
  .research-card { padding: 12px 16px; }
  .research-card h3 { margin: 4px 0 2px; }
  .research-number { float: right; margin-top: 5px; font-size: 8px; }
  .section-heading { flex-wrap: wrap; gap: 0; margin-bottom: 10px; }
  .home-modern h2 { font-size: 23px; }
  .pub { padding: 16px; }
  .pub h3 { font-size: 14px; }
  .columns { grid-template-columns: 1fr; gap: 0; }
  .contact { padding: 23px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .site-header, .profile, .site-footer, .pub-filters { display: none; }
  .site-shell { display: block; padding: 0; }
  .pub { break-inside: avoid; }
}