:root {
  --text: #20242a;
  --muted: #626b75;
  --border: #d9dee4;
  --accent: #174f7a;
  --max-width: 920px;
  --font-sans: "Avenir Next", Avenir, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-serif: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #0e3656; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--text); color: #fff; padding: .5rem 1rem; }

.site-header {
  max-width: var(--max-width);
  height: 68px;
  margin: auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.wordmark { color: var(--text); font-size: 15px; font-weight: 600; text-decoration: none; }
nav { display: flex; gap: 25px; }
nav a { color: var(--muted); font-size: 13px; text-decoration: none; }
nav a:hover { color: var(--accent); }

.hero {
  max-width: var(--max-width);
  margin: auto;
  padding: 58px 20px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 145px;
  gap: 48px;
  align-items: start;
}
.hero h1 {
  margin: 0;
  color: #171b20;
  font: 600 43px/1.2 var(--font-serif);
  letter-spacing: -.015em;
}
.hero h1 span {
  margin-left: 10px;
  color: var(--muted);
  font-family: "Songti SC", "Noto Serif CJK SC", serif;
  font-size: .56em;
  font-weight: 400;
}
.role { margin: 13px 0 0; color: var(--accent); font-size: 15px; font-weight: 600; }
.lead { max-width: 590px; margin: 18px 0 0; color: #424a53; font-size: 17px; line-height: 1.65; }
.hero-links { display: flex; gap: 22px; margin-top: 22px; font-size: 14px; }
.portrait-wrap { padding: 4px; border: 1px solid var(--border); background: #fff; }
.portrait { display: block; width: 100%; height: auto; }

.section-grid {
  max-width: var(--max-width);
  margin: auto;
  padding: 64px 20px;
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  gap: 48px;
  border-top: 1px solid var(--border);
}
.section-label {
  padding-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .035em;
  text-transform: uppercase;
}
.bio-list { margin: 0; padding-left: 1.15rem; font-size: 15px; }
.bio-list li { margin-bottom: 9px; padding-left: 3px; }
.bio-list li::marker { color: var(--muted); }

.section-heading { margin-bottom: 28px; }
.section-heading h2 { margin: 0 0 6px; font: 600 26px/1.3 var(--font-serif); }
.section-heading p { margin: 0; color: var(--muted); font-size: 14px; }
.publication-list { margin: 0; padding: 0; list-style: none; }
.publication-list li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}
.publication-list li:last-child { border-bottom: 1px solid var(--border); }
.pub-meta { display: flex; flex-wrap: wrap; gap: 4px 8px; align-content: flex-start; padding-top: 2px; color: var(--muted); font-size: 12px; }
.venue { color: var(--text); font-weight: 700; }
.award { width: 100%; color: #805514; font-size: 11px; font-weight: 600; }
.publication-list h3 { max-width: 620px; margin: 0 0 5px; font: 600 17px/1.45 var(--font-serif); }
.publication-list h3 a { color: var(--text); text-decoration: none; }
.publication-list h3 a:hover { color: var(--accent); text-decoration: underline; }
.publication-list h3 span { display: none; }
.publication-list p { margin: 0; color: var(--muted); font-size: 13px; }
.publication-list strong { color: var(--text); }
.pub-note { margin-top: 2px !important; font-size: 11px !important; }
.featured { background: transparent; }
.preprints { margin-top: 30px; }
.preprints summary { padding-bottom: 9px; border-bottom: 1px solid var(--border); cursor: pointer; font: 600 17px var(--font-serif); }
.preprints summary span { float: right; color: var(--muted); font: 11px var(--font-sans); }
.preprints ul { margin: 0; padding: 0; list-style: none; }
.preprints li { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.preprints li a { color: var(--text); text-decoration: none; }
.preprints li a:hover { color: var(--accent); text-decoration: underline; }
.preprints li span { color: var(--muted); font-size: 12px; }

.service { padding-bottom: 76px; }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.service h2 { margin: 0 0 18px; font: 600 20px var(--font-serif); }
.service article p { color: var(--muted); font-size: 14px; }
.service article p strong { color: var(--text); }
.service ul { margin: 0; padding: 0; list-style: none; }
.service li { display: flex; justify-content: space-between; gap: 18px; padding: 8px 0; border-top: 1px solid var(--border); font-size: 14px; }
.service small { color: var(--muted); text-align: right; }

footer {
  max-width: var(--max-width);
  margin: auto;
  padding: 34px 20px 48px;
  display: flex;
  justify-content: space-between;
  gap: 36px;
  border-top: 1px solid var(--border);
}
.footer-kicker { margin: 0 0 3px; font: 600 15px var(--font-serif); }
.footer-email { font-size: 13px; }
.footer-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }

@media (max-width: 700px) {
  nav a:not(:last-child) { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr) 115px; gap: 28px; }
  .section-grid { grid-template-columns: 1fr; gap: 24px; padding-top: 52px; padding-bottom: 52px; }
  .service-grid { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 480px) {
  .site-header { height: 62px; padding: 0 16px; }
  .hero { grid-template-columns: 1fr; gap: 26px; padding: 40px 16px 52px; }
  .hero h1 { font-size: 38px; }
  .hero h1 span { display: block; margin: 5px 0 0; }
  .portrait-wrap { width: 110px; }
  .section-grid { padding-right: 16px; padding-left: 16px; }
  .publication-list li { grid-template-columns: 1fr; gap: 5px; }
  .award { width: auto; }
  footer { display: block; padding-right: 16px; padding-left: 16px; }
  .footer-meta { align-items: flex-start; margin-top: 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }