:root {
  color-scheme: light;
  --text: #252525;
  --secondary: #666;
  --link: #1768b3;
  --rule: #e5e5e5;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "Helvetica Neue", Arial, "Hiragino Sans", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.page { width: min(880px, calc(100% - 48px)); margin: 0 auto; }
a { color: var(--link); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; }
p { margin: 0 0 13px; }
h1, h2, h3 { line-height: 1.35; }
h1 { margin: 0 0 20px; font-size: 34px; font-weight: 500; letter-spacing: -.6px; }
h1 span { margin-left: 10px; font-size: 23px; font-weight: 400; letter-spacing: 0; white-space: nowrap; }
h2 { margin: 0 0 25px; font-size: 23px; font-weight: 500; }
h3 { margin: 0 0 5px; font-size: 15px; font-weight: 600; }
img { max-width: 100%; }
section[id], p[id] { scroll-margin-top: 24px; }
.secondary, .date { color: var(--secondary); font-size: 13px; }
.page-header { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-top: 26px; font-size: 12px; }
.section-nav, .lang-switch { display: flex; flex-wrap: wrap; gap: 15px; }
.section-nav a { color: #5c5c5c; }
.lang-switch { flex-shrink: 0; gap: 12px; }
.lang-switch button { padding: 0 0 2px; border: 0; border-bottom: 1px solid transparent; border-radius: 0; background: none; color: #777; font: inherit; cursor: pointer; }
.lang-switch button.active { color: #222; border-bottom-color: #222; }
.introduction { display: grid; grid-template-columns: minmax(0, 1fr) 195px; gap: 48px; align-items: center; padding: 47px 0 0; }
.bio { min-width: 0; }
.portrait { display: block; width: 195px; height: 244px; object-fit: cover; border-radius: 3px; }
.contact-links { display: flex; gap: 21px; margin-top: 17px; }
.section { margin-top: 48px; }
.publication-list { display: grid; gap: 31px; }
.publication { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 28px; align-items: center; }
.paper-image { display: block; }
.paper-image img { display: block; width: 100%; height: auto; max-height: 195px; object-fit: contain; }
.paper-text p { margin: 3px 0; }
.paper-role { color: #666; font-size: 13px; }
.venue { font-size: 13px; font-style: italic; }
.paper-text .paper-description { margin: 9px 0 6px; font-size: 14px; line-height: 1.55; }
.paper-links { display: flex; gap: 17px; font-size: 13px; }
.education-list { display: grid; gap: 25px; }
.education-entry { display: grid; grid-template-columns: 57px minmax(0, 1fr); gap: 21px; align-items: start; }
.university-logo { display: block; width: 52px; height: 56px; object-fit: contain; }
.entry-heading { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 3px 16px; }
.education-entry p { margin: 2px 0; }
.experience-list { display: grid; gap: 23px; }
.experience-entry { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 18px; }
.experience-entry p { margin: 3px 0; font-size: 14px; }
.experience-entry .date, .experience-entry .secondary { font-size: 13px; }
.award { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 28px; align-items: start; }
figure { margin: 0; }
figure img { display: block; width: 100%; height: auto; }
figcaption { margin-top: 7px; font-size: 11px; line-height: 1.5; color: #777; }
.award-text { font-size: 14px; }
.award-text p { margin: 8px 0; }
.award-result strong { display: block; font-weight: 600; }
.award-result span { display: block; font-size: 13px; }
.medal-evidence { margin: 17px 0 0 258px; font-size: 13px; }
.medal-evidence summary { width: fit-content; color: var(--link); cursor: pointer; }
.medal-evidence figure { margin-top: 14px; }
.medal-evidence[open] { margin-left: 0; }
.notes h2 { margin-bottom: 12px; }
.notes p { margin-bottom: 6px; }
footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 52px; padding: 20px 0 30px; border-top: 1px solid var(--rule); color: #888; font-size: 11px; }
footer a { color: #777; }
@media (max-width: 760px) {
  .page-header { align-items: flex-start; }
  .section-nav { gap: 7px 14px; }
  .introduction { grid-template-columns: minmax(0, 1fr) 156px; gap: 28px; }
  .portrait { width: 156px; height: 195px; }
  h1 { font-size: 29px; }
  h1 span { font-size: 20px; }
  .publication, .award { grid-template-columns: 190px minmax(0, 1fr); gap: 24px; }
  .medal-evidence { margin-left: 214px; }
}
@media (max-width: 580px) {
  .page { width: calc(100% - 36px); }
  .page-header { flex-direction: column-reverse; gap: 16px; padding-top: 18px; }
  .lang-switch { align-self: flex-end; }
  .section-nav { font-size: 12px; }
  .introduction { grid-template-columns: minmax(0, 1fr); gap: 23px; padding-top: 32px; }
  .portrait { grid-row: 1; width: 128px; height: 160px; }
  h1 { font-size: 30px; margin-bottom: 17px; }
  h1 span { font-size: 21px; }
  h2 { font-size: 22px; margin-bottom: 21px; }
  .section { margin-top: 38px; }
  .publication-list { gap: 30px; }
  .publication, .award { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .paper-image { width: min(100%, 330px); }
  .paper-image img { max-height: 220px; }
  .competition-figure { width: min(100%, 285px); }
  .education-entry { grid-template-columns: 44px minmax(0, 1fr); gap: 15px; }
  .university-logo { width: 42px; height: 48px; }
  .entry-heading { display: block; }
  .experience-entry { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .medal-evidence { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }