@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./assets/fonts/lato-400-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("./assets/fonts/lato-700-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("./assets/fonts/lato-400-italic-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --background: #fdfdfc;
  --surface: #ffffff;
  --text: #3f464e;
  --text-strong: #242b33;
  --muted: #626b76;
  --faint: #6d7680;
  --line: #e3e7ea;
  --paper-line: #e9ecef;
  --paper-highlight: #eef4f8;
  --link: #28638b;
  --link-hover: #9a563d;
  --title-link: #245678;
  --accent: #9a563d;
  --accent-soft: #f3e8df;
  --highlight: #a34836;
  --sans: "Lato", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --max-width: 940px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #191c20;
  --surface: #22262c;
  --text: #d3d8dd;
  --text-strong: #f1f3f5;
  --muted: #a8b1bc;
  --faint: #98a3af;
  --line: #343a42;
  --paper-line: #2e343c;
  --paper-highlight: #222a32;
  --link: #91bfe0;
  --link-hover: #e2b099;
  --title-link: #aad0eb;
  --accent: #dca78d;
  --accent-soft: #49372d;
  --highlight: #e4ad94;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color 200ms ease, color 200ms ease;
}

a {
  color: var(--link);
  text-decoration: none;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 150ms ease;
}
a:hover { color: var(--link-hover); text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 4px;
  border-radius: 3px;
}
::selection { background: var(--accent-soft); color: var(--text-strong); }
strong { color: var(--text-strong); font-weight: 700; }
sub { font-size: 0.7em; line-height: 0; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 30;
  padding: 8px 14px;
  border-radius: 6px;
  background: var(--surface);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.page { max-width: var(--max-width); margin: 0 auto; padding: 64px 40px 32px; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 244px;
  grid-template-areas: "name portrait" "intro portrait" "social portrait" "sections portrait";
  column-gap: 52px;
  align-items: start;
  margin-bottom: 46px;
}
.name {
  grid-area: name;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 13px;
  margin: 0 0 20px;
  color: var(--text-strong);
  font-size: 34px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
.name-divider { color: var(--faint); font-size: 0.55em; }
.name-cn {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.73em;
  font-weight: 400;
  letter-spacing: 0.07em;
}
.portrait-frame {
  grid-area: portrait;
  width: 100%;
  aspect-ratio: 4 / 5;
  align-self: center;
  overflow: hidden;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 0 0 1px rgb(32 58 77 / 0.07);
}
.portrait {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 50%;
  transform: scale(1.12);
  transform-origin: 67% 80%;
}
.intro { grid-area: intro; min-width: 0; }
.bio { margin: 0; text-wrap: pretty; }
.bio + .bio { margin-top: 12px; }
.personal-note { color: var(--muted); }
.social-links {
  grid-area: social;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  margin-top: 18px;
  font-size: 14px;
}
.social-links a { display: inline-flex; align-items: center; gap: 7px; min-height: 30px; }
.social-links svg { width: 17px; height: 17px; flex: none; fill: currentColor; }
.contact-line {
  grid-area: sections;
  display: flex;
  flex-wrap: wrap;
  gap: 3px 19px;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
}
.contact-line a { color: var(--muted); padding-block: 3px; }
.contact-line a:hover { color: var(--link); }

.theme-toggle {
  position: fixed;
  top: 20px;
  right: max(18px, calc((100vw - var(--max-width)) / 2));
  z-index: 20;
  display: grid;
  width: 36px;
  height: 36px;
  appearance: none;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
}
.theme-toggle:hover { color: var(--link); border-color: var(--link); }
.theme-icon {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle .theme-icon-sun { display: none; }
:root[data-theme="dark"] .theme-icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-icon-sun { display: block; }

.section { scroll-margin-top: 32px; margin: 42px 0 18px; }
.section h2 {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0;
  color: var(--text-strong);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.section h2::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.section > .news, .section > .papers, .section > .affiliation-list { margin-top: 18px; }
.research-section { margin-top: 0; }
.research-copy { margin-top: 16px; text-wrap: pretty; }
.research-copy p { margin: 0; }
.research-copy p + p { margin-top: 10px; }

.entry {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  padding: 5px 0;
  font-size: 14.5px;
}
.date { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.what { min-width: 0; line-height: 1.6; text-wrap: pretty; }
.news-highlight { color: var(--highlight); }
.awards-list { margin: 18px 0 0; padding: 0; list-style: none; }

.paper-list { margin: 0; padding: 0; list-style: none; }
.paper-list > li { margin: 0; padding: 0; }
.paper-list > li + li { border-top: 1px solid var(--paper-line); margin-top: 25px; padding-top: 25px; }
.paper-list > .paper-featured { margin-inline: -16px; padding: 16px; border-radius: 8px; background: var(--paper-highlight); }
.paper-list > .paper-featured + .paper-featured { margin-top: 18px; border-top: 0; }
.paper {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}
.meta { grid-column: 2; grid-row: 1; display: flex; min-width: 0; flex-direction: column; gap: 4px; }
.title { order: 1; margin: 0; font-size: 15.8px; font-weight: 700; line-height: 1.45; }
.title a { color: var(--title-link); }
.title a:hover { color: var(--link-hover); }
.authors { order: 2; color: var(--muted); font-size: 13.6px; line-height: 1.6; }
.authors > a:not(.me) { color: inherit; }
.authors > a:not(.me):hover { color: var(--link); }
.authors > a, .authors > span { white-space: nowrap; }
.contrib-mark { margin-left: 1px; font-size: 0.72em; line-height: 0; vertical-align: super; }
.authors .me { color: var(--text-strong); font-weight: 700; text-decoration: underline; text-decoration-color: var(--accent); }
.venue { order: 3; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; margin-top: 2px; font-size: 14px; font-style: italic; line-height: 1.5; }
.paper-award, .role-tag { color: var(--highlight); font-size: 12.5px; font-style: normal; }
.paper-award strong { color: inherit; }
.links { order: 4; display: flex; flex-wrap: wrap; gap: 2px 18px; font-size: 13.6px; line-height: 1.6; }
.links a { position: relative; text-transform: lowercase; }
.links a + a::before { content: "/"; position: absolute; left: -11px; color: var(--faint); font-weight: 400; pointer-events: none; }
.paper-summary { order: 5; margin: 5px 0 0; font-size: 14px; line-height: 1.6; text-wrap: pretty; }
.publication-note { margin: 20px 0 0 222px; color: var(--muted); font-size: 12.5px; }
.note-mark { color: var(--highlight); }

.thumb { grid-column: 1; grid-row: 1; width: 100%; line-height: 0; }
.demo-media { position: relative; isolation: isolate; display: block; width: 100%; overflow: hidden; border-radius: 5px; background: #fff; box-shadow: 0 0 0 1px rgb(20 30 40 / 0.045); }
.thumb-poster { position: relative; z-index: 2; display: block; width: 100%; height: auto; background: #fff; transition: opacity 180ms ease; }
.thumb-demo { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: contain; background: #111; }
.paper.demo-active .thumb-poster { opacity: 0; }
.demo-cue { position: absolute; right: 6px; bottom: 6px; z-index: 3; display: none; padding: 4px 6px; border-radius: 3px; background: rgb(25 34 42 / 0.8); color: #fff; font-size: 10px; line-height: 1; opacity: 0; transition: opacity 150ms ease; }
.demo-media:hover .demo-cue { opacity: 1; }
.paper.demo-active .demo-cue { opacity: 0; }

.affiliation-list { margin: 0; }
.affiliation { display: grid; grid-template-columns: 86px minmax(0, 1fr); gap: 26px; align-items: center; }
.affiliation + .affiliation { margin-top: 24px; }
.affiliation-logo { display: grid; width: 70px; height: 70px; place-items: center; justify-self: center; padding: 4px; }
.affiliation-logo-dark { border-radius: 6px; background: #151515; padding: 8px; }
.affiliation-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }
.affiliation-logo .theme-logo-dark { display: none; }
:root[data-theme="dark"] .affiliation-logo .theme-logo-light { display: none; }
:root[data-theme="dark"] .affiliation-logo .theme-logo-dark { display: block; }
.affiliation-content { min-width: 0; }
.affiliation-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 3px 16px; }
.affiliation-heading h3 { margin: 0; font-size: 16px; line-height: 1.4; font-weight: 700; }
.affiliation-heading h3 a { color: var(--text-strong); }
.affiliation-heading h3 a:hover { color: var(--link); }
.affiliation-date { color: var(--muted); font-size: 12.5px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.affiliation-content p { margin: 4px 0 0; font-size: 14px; line-height: 1.55; }
.affiliation-content p span { color: var(--muted); }
.affiliation-content .affiliation-detail, .affiliation-content .affiliation-advisor { margin-top: 2px; color: var(--muted); font-size: 13.5px; }

.visitor-section {
  --visitor-map-image: url("https://mapmyvisitors.com/generated_content/backs/bg-w_600-co_fdfdfc-cl_dce4ea.png");
}
:root[data-theme="dark"] .visitor-section {
  --visitor-map-image: url("https://mapmyvisitors.com/generated_content/backs/bg-w_600-co_191c20-cl_36434f.png");
}
.visitor-section[hidden], .visitor-section [hidden] { display: none !important; }
.visitor-map-mount { position: relative; width: min(100%, 600px); margin: 20px auto 0; }
.visitor-section[data-state="preview"] .visitor-map-mount::before,
.visitor-section[data-state="loading"] .visitor-map-mount::before {
  content: "";
  display: block;
  width: 100%;
  aspect-ratio: 2.04;
  background-image: linear-gradient(var(--background), var(--background)), var(--visitor-map-image);
  background-position: left bottom, center;
  background-size: 6% 23%, 100% 100%;
  background-repeat: no-repeat;
}
.visitor-section #mapmyvisitors-widget {
  display: block !important;
  position: absolute;
  inset: 0 auto auto 0;
  visibility: hidden;
  width: 100% !important;
  min-width: 0;
  min-height: 0;
  margin: 0 auto;
  color: var(--muted);
  text-decoration: none;
}
.visitor-section[data-state="ready"] #mapmyvisitors-widget { position: relative; visibility: visible; }
.visitor-section[data-state="error"] .visitor-map-mount { height: 0; margin-top: 0; }
.visitor-section #mapmyvisitors-widget .mapmyvisitors-map-container {
  background-color: var(--background) !important;
}
.visitor-section #mapmyvisitors-widget .mapmyvisitors-map {
  width: 100% !important;
  height: auto !important;
  aspect-ratio: 2.04;
  /* Cover the non-interactive zoom icons baked into the provider's base image. */
  background-image: linear-gradient(var(--background), var(--background)), var(--visitor-map-image) !important;
  background-position: left bottom, center;
  background-size: 6% 23%, 100% 100%;
  background-repeat: no-repeat;
}
.visitor-section .mapmyvisitors-map svg { display: block; width: 100%; height: 100%; }
.visitor-section .mapmyvisitors-map circle { fill: var(--accent) !important; }
.visitor-section .mapmyvisitors-map circle[fill="#F8A400"] { fill: var(--link) !important; }
.visitor-section #mapmyvisitors-widget .mapmyvisitors-visitors,
.visitor-section #mapmyvisitors-widget .mapmyvisitors-date,
.visitor-section #mapmyvisitors-widget .mapmyvisitors-bottom-text {
  color: var(--muted) !important;
  font-family: var(--sans) !important;
  font-variant-numeric: tabular-nums;
  text-shadow: none;
}
.visitor-section #mapmyvisitors-widget .mapmyvisitors-visitors { font-size: 14px !important; line-height: 1.6 !important; }
.visitor-section #mapmyvisitors-widget .mapmyvisitors-date { margin-top: 2px; font-size: 12px !important; line-height: 1.6 !important; }
.visitor-status { margin: 14px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
.visitor-caption { margin: 12px 0 0; color: var(--faint); font-size: 12px; text-align: center; text-wrap: pretty; }
.visitor-caption a { white-space: nowrap; }
.visitor-details::after { content: " · "; color: var(--faint); }

.site-footer { display: flex; justify-content: space-between; gap: 12px; margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }
.site-footer [lang="zh-CN"] { margin-left: 5px; font-size: 0.9em; }

@media (min-width: 701px) and (hover: hover) and (pointer: fine) {
  .demo-cue { display: block; }
}

@media (max-width: 800px) {
  .page { padding: 54px 28px 28px; }
  .hero { grid-template-columns: minmax(0, 1fr) 210px; column-gap: 32px; }
  .name { font-size: 32px; }
  .paper { grid-template-columns: 168px minmax(0, 1fr); gap: 24px; }
  .publication-note { margin-left: 192px; }
}

@media (max-width: 640px) {
  .page { padding: 42px 24px 26px; }
  .hero {
    grid-template-columns: 1fr;
    grid-template-areas: "name" "portrait" "intro" "social" "sections";
    margin-bottom: 34px;
  }
  .name { justify-content: center; gap: 0 11px; margin: 0 24px 24px; font-size: 32px; }
  .portrait-frame { width: 200px; justify-self: center; margin-bottom: 26px; border-radius: 15px; }
  .bio { font-size: 15px; }
  .social-links { justify-content: center; gap: 3px 18px; margin-top: 16px; font-size: 13px; }
  .social-links svg { width: 15px; height: 15px; }
  .contact-line { justify-content: center; gap: 2px 18px; margin-top: 10px; font-size: 12.5px; }
  .theme-toggle { top: 12px; right: 12px; }
  .section { margin-top: 34px; margin-bottom: 16px; }
  .section h2 { font-size: 22px; gap: 14px; }
  .research-section { margin-top: 0; }
  .entry { grid-template-columns: 56px minmax(0, 1fr); gap: 14px; padding: 6px 0; font-size: 14px; }
  .date { font-size: 12px; }
  .paper { grid-template-columns: 1fr; gap: 14px; }
  .meta { grid-column: 1; grid-row: 2; }
  .thumb { grid-column: 1; grid-row: 1; width: min(100%, 280px); justify-self: center; }
  .paper-list > li + li { margin-top: 26px; padding-top: 26px; }
  .paper-list > .paper-featured { margin-inline: -12px; padding: 12px; }
  .title { font-size: 16px; }
  .authors { font-size: 13.5px; }
  .publication-note { margin-left: 0; }
  .affiliation { grid-template-columns: 54px minmax(0, 1fr); gap: 16px; }
  .affiliation-logo { width: 52px; height: 52px; }
  .affiliation-heading { display: block; }
  .affiliation-heading h3 { font-size: 15.5px; }
  .affiliation-date { display: block; margin-top: 3px; }
  .affiliation-content p { font-size: 13.5px; }
  .affiliation-content p span { display: block; }
  .site-footer { margin-top: 34px; font-size: 11px; }
}

@media (max-width: 360px) {
  .page { padding-inline: 18px; }
  .name { font-size: 29px; margin-inline: 18px; gap: 0 8px; }
  .contact-line { column-gap: 13px; }
  .social-links { flex-direction: column; align-items: center; }
  .authors > a, .authors > span { white-space: normal; }
  .entry { gap: 10px; }
  .site-footer { flex-wrap: wrap; gap: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

@media print {
  :root, :root[data-theme="dark"] {
    --background: #fff; --surface: #fff; --text: #333; --text-strong: #111;
    --muted: #555; --faint: #666; --line: #ddd; --paper-line: #e8e8e8;
    --link: #245678; --title-link: #245678; --highlight: #8b3d2d;
  }
  .page { max-width: none; padding: 0; }
  .theme-toggle, .contact-line, .skip-link, .demo-cue { display: none; }
  .visitor-section { display: none !important; }
  .paper, .affiliation { break-inside: avoid; }
  .paper-list > .paper-featured { margin-inline: 0; padding: 0; border-radius: 0; background: none; }
  .section { break-after: avoid; }
  .thumb-demo { display: none; }
  .paper.demo-active .thumb-poster { opacity: 1; }
  :root[data-theme="dark"] .affiliation-logo .theme-logo-light { display: block; }
  :root[data-theme="dark"] .affiliation-logo .theme-logo-dark { display: none; }
}