:root {
  color-scheme: light;
  --ink: #202a36;
  --muted: #647183;
  --blue: #1765aa;
  --line: #e6eaf0;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: #f8f9fb;
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid #7db3e9; outline-offset: 4px; }
h1, h2, h3, p { margin: 0; }
h2 { font-size: 23px; font-weight: 650; letter-spacing: -.45px; margin-bottom: 15px; }
section { scroll-margin-top: 22px; }
.site-header { border-bottom: 1px solid var(--line); }
.navigation { max-width: 1000px; margin: auto; padding: 19px 38px; display: flex; align-items: center; justify-content: space-between; }
.wordmark { color: var(--ink); font-weight: 700; font-size: 17px; letter-spacing: -.4px; }
.wordmark span { color: var(--blue); }
.nav-links { display: flex; gap: 27px; font-size: 13px; }
.nav-links a { color: #4c596a; }
.page { max-width: 1000px; margin: 32px auto; padding: 48px 54px 0; background: #fff; border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 4px 24px #1a2f4806; }
.profile { display: grid; grid-template-columns: 1fr 158px; gap: 40px; align-items: center; padding-bottom: 28px; }
.eyebrow { color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: 2px; margin-bottom: 9px; }
h1 { font-size: 35px; line-height: 1.3; letter-spacing: -1.3px; font-weight: 700; }
h1 span { display: inline-block; font-size: 25px; font-weight: 400; letter-spacing: 1px; margin-left: 10px; }
.affiliation { margin-top: 10px; color: #4f5c6a; font-size: 13px; }
#introduction { margin-top: 20px; }
.profile-links { display: flex; gap: 21px; flex-wrap: wrap; margin-top: 18px; font-weight: 600; font-size: 13px; }
.profile-links a::after { content: " ↗"; font-size: 11px; color: #7895b1; }
.portrait { margin: 0; align-self: start; padding-top: 16px; }
.portrait img { display: block; width: 158px; height: 158px; border-radius: 50%; object-fit: cover; border: 5px solid #f1f4f7; }
.portrait figcaption { text-align: center; font-size: 11px; color: var(--muted); margin-top: 10px; letter-spacing: .4px; }
.research-section { border-top: 1px solid var(--line); padding-top: 25px; }
.research-topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.research-topics span { font-size: 11px; border-radius: 4px; padding: 3px 10px; background: #f0f5fa; color: #476782; }
.news-section { margin: 30px 0 36px; padding: 22px 24px; background: #f8fafc; border-left: 3px solid #b5cce3; border-radius: 0 4px 4px 0; }
.news-section h2 { font-size: 18px; margin-bottom: 11px; }
.news-list, .awards-list { list-style: none; padding: 0; margin: 0; }
.news-list li { display: grid; grid-template-columns: 45px 1fr; gap: 14px; font-size: 13px; margin-top: 7px; }
.news-list time, .awards-list time { color: var(--muted); font-variant-numeric: tabular-nums; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.section-heading h2 { margin-bottom: 4px; }
.subtle-link { font-size: 12px; white-space: nowrap; }
.section-note { color: var(--muted); font-size: 12px; }
.publication-controls { margin-top: 20px; display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.filters { display: flex; flex-wrap: wrap; gap: 4px; }
.filter { border: none; background: transparent; color: var(--muted); padding: 5px 11px; font-size: 12px; border-radius: 5px; cursor: pointer; white-space: nowrap; }
.filter.active { background: #eaf2fa; color: #125c9f; font-weight: 650; }
.filter:hover { background: #f0f4f8; }
#paper-search { width: 150px; padding: 6px 9px; font-size: 12px; border: 1px solid var(--line); border-radius: 5px; color: var(--ink); background: #fff; }
.paper-count { color: #8490a0; font-size: 11px; margin: 10px 0 0; }
.role-tabs { display: flex; gap: 26px; margin-top: 20px; border-bottom: 1px solid var(--line); }
.role-tabs[hidden] { display: none; }
.role-tabs button { border: 0; border-bottom: 2px solid transparent; padding: 10px 2px; margin-bottom: -1px; background: transparent; color: var(--muted); cursor: pointer; font-size: 13px; white-space: nowrap; }
.role-tabs button[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); font-weight: 650; }
.role-tabs button:hover { color: var(--blue); }
.role-tabs span { margin-left: 5px; font-size: 10px; padding: 1px 5px; border-radius: 4px; background: #f0f4f8; }
.publication { display: grid; grid-template-columns: 195px 1fr; gap: 25px; border-bottom: 1px solid var(--line); padding: 26px 0; }
.paper-visual { display: flex; align-items: center; justify-content: center; min-height: 130px; align-self: center; background: #fff; border: 1px solid #edf0f3; border-radius: 5px; padding: 6px; overflow: hidden; }
.paper-visual img { display: block; width: 100%; height: 138px; object-fit: contain; }
.paper-cover { width: 100%; min-height: 126px; display: flex; flex-direction: column; justify-content: center; padding: 16px; background: linear-gradient(140deg, #f0f5fa, #e7eff6); }
.paper-cover strong { color: #325b7d; font-size: 23px; font-weight: 650; letter-spacing: -.5px; line-height: 1.25; overflow-wrap: anywhere; }
.paper-cover span { margin-top: 14px; font-size: 9px; letter-spacing: 1.3px; text-transform: uppercase; color: #6a869f; }
.paper-cover.perception { background: linear-gradient(140deg, #f0f5f2, #e6efea); }
.paper-cover.robotics { background: linear-gradient(140deg, #f1f0f8, #e9e8f3); }
.publication h3 { font-size: 15px; line-height: 1.5; font-weight: 650; letter-spacing: -.15px; }
.publication h3 a { color: #1f527f; }
.authors { font-size: 12px; color: #697584; margin: 6px 0; line-height: 1.65; }
.authors strong { color: #263d51; font-weight: 650; }
.author-details { display: inline; }
.author-details summary { display: inline; cursor: pointer; color: var(--blue); list-style: none; font-size: 11px; }
.author-details summary::-webkit-details-marker { display: none; }
.full-authors { display: block; margin-top: 5px; }
.venue-line { display: flex; gap: 7px; align-items: baseline; flex-wrap: wrap; margin: 6px 0; font-size: 12px; }
.venue { font-weight: 700; color: #384658; }
.status { color: #578061; font-size: 10px; background: #f0f6f0; padding: 0 6px; border-radius: 3px; }
.status.preprint { color: #7a6f8b; background: #f4f1f8; }
.status.conditional { color: #9a7338; background: #fbf5e9; }
.role { color: #7a8490; font-size: 10px; }
.description { color: #576475; font-size: 12px; line-height: 1.7; margin-top: 7px; }
.paper-links { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 9px; font-size: 11px; font-weight: 600; }
.paper-highlight { display: inline-block; color: #9b421c; background: #fff1e8; border-radius: 4px; padding: 2px 8px; margin-bottom: 8px; font-size: 11px; font-weight: 700; }
.publication-highlight .role { color: #9b421c; font-size: 12px; font-weight: 700; }
.publication-highlight .paper-visual img { height: auto; }
.benchmark-results { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 14px; margin: 14px 0 10px; }
.benchmark-results dt { font-size: 10px; color: var(--muted); }
.benchmark-results dd { margin: 0; color: #244c6c; font-size: 17px; font-weight: 650; font-variant-numeric: tabular-nums; }
.results-note { color: var(--muted); font-size: 10px; line-height: 1.6; }
.empty-state { padding: 30px 0; color: var(--muted); }
.awards-section { padding: 35px 0 28px; }
.awards-list li { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 9px 0; font-size: 13px; }
.award-title { font-weight: 550; }
.award-detail { font-size: 12px; color: var(--muted); margin-left: 8px; }
footer { border-top: 1px solid var(--line); padding: 23px 0; display: flex; justify-content: space-between; gap: 20px; font-size: 11px; color: #8993a1; }
footer a { color: #6e8195; white-space: nowrap; }
.footer-divider { padding: 0 8px; color: #c4cbd4; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { display: block; padding: 10px; }
@media (max-width: 760px) {
  .navigation { padding: 17px 22px; }
  .nav-links { gap: 16px; font-size: 12px; }
  .page { margin: 0; border: 0; padding: 34px 24px 0; }
  .profile { grid-template-columns: 1fr 100px; gap: 20px; }
  h1 { font-size: 28px; }
  h1 span { font-size: 21px; margin-left: 0; display: block; margin-top: 3px; }
  .portrait img { width: 100px; height: 100px; border-width: 3px; }
  .portrait figcaption { font-size: 9px; }
  .affiliation { font-size: 12px; }
  #introduction { font-size: 14px; }
  .publication-controls { flex-wrap: wrap; }
  .section-heading { flex-wrap: wrap; gap: 2px; margin-bottom: 7px; }
  .publication { grid-template-columns: 150px 1fr; gap: 18px; }
  .paper-visual img { height: 115px; }
  .award-detail { display: block; margin: 2px 0 0; }
}
@media (max-width: 480px) {
  .role-tabs { gap: 16px; }
  .role-tabs button { font-size: 12px; }
  body { font-size: 14px; }
  .navigation { padding: 16px 20px; }
  .wordmark { font-size: 15px; }
  .nav-links { gap: 12px; font-size: 11px; }
  .page { padding: 30px 20px 0; }
  .profile { display: block; position: relative; }
  .profile h1, .profile .affiliation { padding-right: 94px; }
  .portrait { position: absolute; right: 0; top: 0; }
  .portrait img { width: 80px; height: 80px; }
  .portrait figcaption { display: none; }
  .eyebrow { font-size: 8px; letter-spacing: 1.4px; }
  h1 { font-size: 25px; }
  h1 span { font-size: 19px; }
  .profile-links { gap: 17px; }
  .news-section { padding: 18px 16px; margin-top: 25px; }
  .news-list li { gap: 8px; grid-template-columns: 36px 1fr; }
  .publication { grid-template-columns: 1fr; gap: 15px; padding: 25px 0; }
  .paper-visual { width: 100%; min-height: 0; padding: 9px; background: #fcfcfd; }
  .paper-visual img { height: 155px; }
  .paper-cover { min-height: 94px; }
  .paper-cover strong { font-size: 21px; }
  .paper-cover span { margin-top: 8px; }
  .filter { padding: 5px 9px; }
  .publication-controls { gap: 10px; }
  .search-label, #paper-search { width: 100%; }
  footer { font-size: 10px; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
