:root {
  --text: #202124;
  --muted: #6f7277;
  --line: #dedfe2;
  --soft: #f6f7f8;
  --accent: #165f97;
  --max: 900px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont,
               "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 52px auto 64px;
}

.hero {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 34px;
  align-items: start;
  margin-bottom: 34px;
}

.portrait {
  position: relative;
  width: 168px;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: linear-gradient(145deg, #eef0f2, #dfe3e7);
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portrait.fallback::after {
  content: "JY";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 36px;
  color: #7c8187;
  letter-spacing: .05em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 7px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.02em;
}

.role {
  margin-bottom: 12px;
  color: #42454a;
}

.contact {
 margin-bottom: 12px;
  color: #42454a;
}

.bio { margin-bottom: 9px; }

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

section {
  margin-top: 30px;
}

h2 {
  margin-bottom: 12px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.3;
}

h3 {
  margin-bottom: 4px;
  font-size: 13.5px;
  font-weight: 650;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.research-grid article {
  min-height: 96px;
  padding: 14px 16px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.research-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12.75px;
}

.timeline,
.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  margin-bottom: 5px;
}

.timeline time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}

.section-heading h2 {
  border: 0;
  margin-bottom: 0;
}

.all-link { font-size: 12px; }

/* Publication list */
.publication-year {
  margin: 28px 0 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  font-weight: 500;
}

.papers {
  list-style: none;
  padding: 0;
  margin: 0;
}

.papers > li {
    display:block;
    padding:15px 0;
    border-bottom:1px solid #eceef0;
}

.paper-year {
  color: var(--muted);
  font-size: 12px;
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}

.paper-title {
  margin-bottom: 2px;
  font-weight: 650;
  line-height: 1.45;
}

.paper-title{
    margin:0 0 3px;
    line-height:1.45;
    font-weight:650;
}

.paper-title a{
    color:#165f97;
    text-decoration:none;
}

.paper-title a:hover{
    text-decoration:underline;
}

.paper-venue{
    margin:0 0 3px;
    color:#444;
    font-size:12.5px;
    font-weight:600;
}

.award{
    display:inline-block;
    margin-left:7px;
    padding:1px 7px;
    border-radius:999px;
    border:1px solid #c8d8e6;
    background:#f4f8fc;
    color:#165f97;
    font-size:10px;
    font-weight:600;
}

.paper-authors{
    margin:0 0 5px;
    color:#666;
    font-size:12.3px;
    line-height:1.5;
}

.paper-description{
    margin:0;
    color:#555;
    font-size:12.5px;
    line-height:1.55;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.plain-list li {
  position: relative;
  padding-left: 13px;
  margin-bottom: 4px;
}

.plain-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: #999;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 44px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: #96999d;
  font-size: 11.5px;
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 28px, var(--max));
    margin-top: 28px;
  }

  .hero {
    grid-template-columns: 112px 1fr;
    gap: 20px;
  }

  .portrait { width: 112px; }

  h1 { font-size: 25px; }

  .research-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    gap: 2px;
  }
}

@media (max-width: 470px) {
  body { font-size: 13px; }

  .hero {
    grid-template-columns: 1fr;
  }

  .portrait {
    width: 132px;
  }

  .timeline li {
    grid-template-columns: 58px 1fr;
  }

  .papers > li {
    grid-template-columns: 40px 1fr;
    gap: 10px;
  }
}