/* Author: Jialei.He | Editor: Jialei.He */
:root {
  color-scheme: light;
  --ink: #202124;
  --secondary: #565b61;
  --link: #24577b;
  --line: #dedfe1;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main { width: min(100%, 1000px); margin: 0 auto; padding: 64px 40px 32px; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #15364f; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; border-radius: 2px; }
p { margin: 0; }
strong { font-weight: 600; }
h1, h2, h3 { margin: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h1 { margin-bottom: 18px; font-size: 45px; line-height: 1.15; letter-spacing: -0.035em; }
h2 { margin-bottom: 22px; font-size: 25px; line-height: 1.25; letter-spacing: -0.02em; }
h3 { font-size: 17px; line-height: 1.5; font-weight: 600; }
h3 a { text-decoration: none; }
h3 a:hover { text-decoration: underline; }

.profile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 58px;
  align-items: start;
  margin-bottom: 38px;
}

.introduction { max-width: 650px; }
.avatar { display: block; width: 160px; height: 160px; margin-top: 4px; border-radius: 12px; object-fit: cover; }
.contact-list { display: flex; flex-wrap: wrap; gap: 7px 18px; margin: 18px 0 0; padding: 0; list-style: none; color: var(--secondary); font-size: 14px; }
.contact-list li { white-space: nowrap; }
section { border-top: 1px solid var(--line); padding: 28px 0 32px; }
.coursework { padding-bottom: 26px; }
.coursework h2 { margin-bottom: 17px; }
.course-list { margin: 0; font-size: 14px; line-height: 1.8; }
.course-list div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 12px; }
.course-list div + div { margin-top: 8px; }
.course-list dt { color: var(--secondary); }
.course-list dd { margin: 0; }
.research-entry + .research-entry { margin-top: 27px; }
.research-entry p { margin-top: 9px; }
.research-entry .research-byline { margin-top: 7px; font-size: 14px; }
.research-entry .research-status { margin-top: 3px; color: var(--secondary); font-size: 14px; }
.research-status cite { font-style: italic; }
.paper-link { display: inline-block; margin-top: 9px; font-size: 14px; }
.research-interests { margin-top: 26px; color: var(--secondary); font-size: 14px; line-height: 1.8; }
.research-interests strong { color: var(--ink); }
.entry { display: grid; grid-template-columns: minmax(0, 1fr) 172px; gap: 28px; align-items: start; }
.entry + .entry { margin-top: 27px; }
.entry-body > p { margin-top: 6px; }
.entry-body .role { margin-top: 3px; font-size: 14px; }
.entry-body .affiliation { margin-top: 1px; color: var(--secondary); font-size: 13px; }
.entry-body .award { margin-top: 15px; font-size: 14px; }
.entry-date { padding-top: 3px; color: var(--secondary); font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.entry-date span { display: block; font-size: 12px; }
footer { padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; text-align: right; }
.skip-link { position: absolute; top: 12px; left: 20px; transform: translateY(-200%); padding: 7px 12px; background: #fff; z-index: 1; }
.skip-link:focus { transform: translateY(0); }

@media (max-width: 700px) {
  main { padding: 44px 26px 28px; }
  .profile { grid-template-columns: minmax(0, 1fr) 112px; gap: 25px; margin-bottom: 34px; }
  .avatar { width: 112px; height: 112px; border-radius: 10px; }
  h1 { font-size: 38px; }
  h2 { font-size: 24px; }
  .entry { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .entry-date { grid-row: 1; padding: 0; text-align: left; }
  .entry-date span { display: inline; margin-left: 8px; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  main { padding: 34px 22px 26px; }
  .profile { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .avatar { grid-row: 1; width: 108px; height: 108px; margin: 0; }
  h1 { margin-bottom: 14px; }
  .contact-list { gap: 7px 16px; margin-top: 16px; }
  section { padding: 26px 0 29px; }
  .course-list div { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .course-list dt { font-weight: 600; color: var(--ink); }
  .course-list div + div { margin-top: 11px; }
  h2 { margin-bottom: 20px; }
  h3 { font-size: 16px; }
  .research-entry + .research-entry, .entry + .entry { margin-top: 25px; }
}

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

@media print {
  main { width: 100%; padding: 0; }
  body { font-size: 10pt; line-height: 1.5; }
  h1 { font-size: 26pt; }
  h2 { font-size: 16pt; }
  h3 { font-size: 11pt; }
  .profile { margin-bottom: 20px; }
  .avatar { width: 120px; height: 120px; }
  section { padding: 18px 0; }
  .entry, .research-entry { break-inside: avoid; }
  a { color: inherit; }
  footer, .skip-link { display: none; }
}