:root {
  --text: #1f2933;
  --muted: #667085;
  --line: #d8dee8;
  --accent: #1f6f8b;
  --accent-soft: #e7f2f6;
  --paper: #ffffff;
  --bg: #f7f8fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 7vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 14px;
}

.nav a {
  color: #344054;
}

.page {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 760px);
  gap: 56px;
  width: min(1120px, calc(100% - 40px));
  margin: 56px auto 80px;
  align-items: start;
}

.profile {
  position: sticky;
  top: 96px;
  text-align: center;
}

.portrait {
  width: 176px;
  height: 176px;
  margin: 0 auto 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--paper);
}

.profile h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.role,
.affiliation {
  margin: 8px 0 0;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.links a {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: #344054;
  font-size: 14px;
}

.content {
  min-width: 0;
}

.section {
  padding: 0 0 34px;
  margin: 0 0 34px;
  border-bottom: 1px solid var(--line);
}

.section:last-child {
  border-bottom: 0;
}

.section h2 {
  margin: 0 0 14px;
  font-size: 25px;
  line-height: 1.25;
}

.section h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.section p {
  margin: 0 0 14px;
}

.muted {
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
}

.timeline time {
  color: var(--muted);
  font-size: 14px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list li {
  padding: 6px 11px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: #20566a;
}

.entry {
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}

.paper {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.paper:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.paper-image {
  display: block;
  align-self: start;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.paper-image img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.paper-body {
  min-width: 0;
}

.paper-body h3 {
  margin: 0 0 8px;
  color: #182230;
  font-size: 18px;
  line-height: 1.35;
}

.authors,
.venue {
  color: var(--muted);
  font-size: 14px;
}

.authors strong {
  color: var(--text);
}

.venue-highlight {
  color: #c1121f;
  font-weight: 700;
}

.publication-note {
  margin-top: -18px;
  color: var(--muted);
  font-size: 14px;
}

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.paper-links a,
.link-disabled {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  font-size: 14px;
}

.link-disabled {
  color: var(--muted);
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 14px 20px;
  }

  .nav {
    justify-content: flex-start;
    gap: 12px;
  }

  .page {
    display: block;
    width: min(100% - 32px, 720px);
    margin-top: 32px;
  }

  .profile {
    position: static;
    margin-bottom: 42px;
  }

  .portrait {
    width: 136px;
    height: 136px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .paper {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .paper-image img {
    aspect-ratio: 16 / 9;
  }
}