:root {
  --text: #222;
  --muted: #666;
  --line: #ddd;
  --link: #1b6ca8;
  --bg: #fff;
  --soft: #f7f7f7;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(calc(100% - 44px), var(--max)); margin: 0 auto; }

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.96);
}
.nav {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.name { color: var(--text); font-weight: 650; }
.name:hover { text-decoration: none; }
nav { display: flex; gap: 22px; font-size: .93rem; }
nav a { color: var(--muted); }

.layout {
  display: grid;
  grid-template-columns: 245px minmax(0, 700px);
  gap: 70px;
  padding-top: 65px;
  padding-bottom: 70px;
}
.sidebar { position: sticky; top: 30px; align-self: start; }
.portrait {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 20px;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sidebar h1 { font-size: 1.55rem; line-height: 1.25; margin: 0 0 7px; font-weight: 650; }
.role, .place { margin: 0 0 12px; color: var(--muted); font-size: .94rem; }
.links { border-top: 1px solid var(--line); padding-top: 14px; display: grid; gap: 5px; font-size: .9rem; }

.content section { margin-bottom: 58px; }
.label {
  font-size: .98rem;
  font-weight: 650;
  margin: 0 0 15px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}
.intro { font-size: 1.08rem; max-width: 680px; }
.content p { margin-top: 0; }
.research-list { margin: 0; padding-left: 22px; }
.research-list li { margin: 7px 0; }
.item {
  padding: 0 0 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid #eee;
}
.item:last-child { border-bottom: 0; margin-bottom: 0; }
.item-head { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; }
.item h3 { margin: 0; font-size: 1rem; font-weight: 650; }
.period { color: var(--muted); white-space: nowrap; font-size: .88rem; }
.institution { margin: 2px 0 7px; color: var(--muted); }
.description { margin: 0; color: #444; }
.publication h3 { font-size: 1rem; font-weight: 650; margin: 0 0 4px; }
.publication p { margin: 2px 0; color: var(--muted); font-size: .93rem; }
footer { border-top: 1px solid var(--line); padding-top: 22px; color: var(--muted); font-size: .85rem; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; padding: 17px 0; }
  nav { display: none; }
  .layout { grid-template-columns: 1fr; gap: 35px; padding-top: 40px; }
  .sidebar { position: static; }
  .portrait { width: 82px; height: 82px; }
  .item-head { display: block; }
  .period { display: block; margin-top: 2px; }
}