:root {
  --ink: #1c1c1c;
  --muted: #6b6b6b;
  --line: #e0e0e0;
  --bg: #ffffff;
  --maxw: 820px;
  --serif: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

main, .site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

a { color: inherit; }

/* ---- Header ---- */
.site-header {
  text-align: center;
  padding-top: 64px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.site-header > p:first-child {
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 14px;
}

.site-header h1 {
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1.24;
  margin: 0 0 24px;
}

.authors {
  margin: 0 0 36px;
}

.authors .pi {
  display: inline-block;
  text-align: center;
  vertical-align: top;
  white-space: nowrap;
}
.authors .pi a {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.15s ease;
}
.authors .pi a:hover { border-bottom-color: var(--muted); }
.authors .affil {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 2px;
}
.authors .sep { color: var(--line); margin: 0 22px; vertical-align: top; }

/* ---- Sections ---- */
section { margin-bottom: 48px; }

h2 {
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0 0 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

p { margin: 0 0 16px; }

/* ---- Figures ---- */
.thrust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.thrust {
  margin: 0;
  text-align: center;
  background: #f7f8fa;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
}

.thrust img {
  width: 100%;
  height: auto;
  margin: auto 0;
}

.thrust figcaption {
  font-weight: 600;
  margin-top: 16px;
}

/* ---- Publications ---- */
.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pub {
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.pub:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.pub-title {
  display: block;
  font-weight: 700;
  line-height: 1.4;
}
.pub-title a { text-decoration: none; border-bottom: 1px solid var(--line); }
.pub-authors {
  display: block;
  margin-top: 2px;
}
.pub-venue {
  display: block;
  font-style: italic;
  color: var(--muted);
  margin-top: 2px;
}
.pub-venue a {
  font-style: normal;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  body { font-size: 17px; }
  .site-header { padding-top: 44px; }
  .site-header h1 { font-size: 1.55rem; }
  .authors .sep { display: none; }
  .authors .pi { display: block; margin: 4px 0; }
  .thrust-grid { grid-template-columns: 1fr; gap: 28px; max-width: 320px; margin: 0 auto; }
}