:root {
  --ink: #17202a;
  --muted: #5d6875;
  --line: #dfe5ea;
  --paper: #ffffff;
  --wash: #f5f7f8;
  --accent: #2e6f73;
  --accent-dark: #1e4e52;
  --warm: #b47d38;
  --shadow: 0 24px 60px rgba(21, 35, 46, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(245, 247, 248, 0.98), rgba(255, 255, 255, 0.96) 360px),
    var(--wash);
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 111, 115, 0.25);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

a:hover {
  color: var(--warm);
  border-bottom-color: rgba(180, 125, 56, 0.45);
}

.anchor {
  position: absolute;
  top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(223, 229, 234, 0.88);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
  border-bottom: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  padding: 8px 10px;
  color: var(--muted);
  font-size: 14px;
  border-bottom: 0;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--accent-dark);
  background: rgba(46, 111, 115, 0.08);
}

.page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 38px auto 56px;
}

.profile-hero {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: 44px;
  align-items: center;
  padding: 34px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.portrait-wrap {
  position: relative;
}

.portrait-wrap::before {
  content: "";
  position: absolute;
  inset: 18px -14px -14px 18px;
  border: 1px solid rgba(46, 111, 115, 0.24);
  border-radius: 8px;
}

.portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #eef2f3;
}

.eyebrow,
.section-heading p {
  margin: 0 0 8px;
  color: var(--warm);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

h1 span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 24px;
  font-weight: 500;
}

.role {
  max-width: 760px;
  margin-bottom: 22px;
  color: #384554;
  font-size: 18px;
}

.profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.profile-meta span {
  padding: 6px 10px;
  color: var(--accent-dark);
  background: rgba(46, 111, 115, 0.08);
  border: 1px solid rgba(46, 111, 115, 0.14);
  border-radius: 6px;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.action-row a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  color: #ffffff;
  background: var(--accent-dark);
  border: 1px solid var(--accent-dark);
  border-radius: 6px;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.action-row a:hover {
  color: var(--accent-dark);
  background: #ffffff;
}

.content-section {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 42px;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.section-heading {
  position: sticky;
  top: 92px;
  align-self: start;
}

h2 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.18;
}

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

.section-body p {
  margin-bottom: 16px;
}

.note {
  padding: 14px 16px;
  color: var(--accent-dark);
  background: rgba(46, 111, 115, 0.08);
  border-left: 3px solid var(--accent);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 155px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline-item time {
  color: var(--accent-dark);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.timeline-item h3,
.publication h3 {
  margin-bottom: 6px;
  font-size: 19px;
  line-height: 1.35;
}

.timeline-item p,
.publication p {
  color: var(--muted);
  margin-bottom: 6px;
}

.publication-list {
  display: grid;
  gap: 18px;
}

.publication {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.pub-index {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--accent-dark);
  background: rgba(46, 111, 115, 0.08);
  border: 1px solid rgba(46, 111, 115, 0.16);
  border-radius: 50%;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.publication a {
  display: inline-flex;
  margin: 8px 10px 0 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.award-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.award-grid p {
  min-height: 100%;
  margin: 0;
  padding: 15px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.site-footer {
  padding: 28px 0 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.site-footer p {
  margin-bottom: 8px;
}

#clustrmaps {
  display: block;
  max-width: 320px;
  margin: 28px auto 0;
  opacity: 0.78;
}

@media (max-width: 820px) {
  body {
    font-size: 15px;
  }

  .nav {
    width: min(100% - 24px, 1120px);
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .page-shell {
    width: min(100% - 24px, 1120px);
    margin-top: 22px;
  }

  .profile-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 22px;
  }

  .portrait-wrap {
    max-width: 260px;
  }

  .content-section {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 34px 0;
  }

  .section-heading {
    position: static;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

@media (max-width: 520px) {
  .nav-links a {
    padding-left: 0;
    padding-right: 8px;
  }

  h1 {
    font-size: 36px;
  }

  .role {
    font-size: 16px;
  }

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

  .action-row a {
    flex: 1 1 120px;
  }
}