:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --text: #1f2328;
  --muted: #667085;
  --line: #ded8cc;
  --accent: #0f766e;
  --accent-dark: #134e4a;
  --warm: #9a5b16;
  --shadow: 0 18px 45px rgba(31, 35, 40, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 241, 234, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 28px;
  width: min(1280px, calc(100% - 40px));
  min-height: 56px;
  margin: 0 auto;
}

.brand {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--muted);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--accent-dark);
}

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

.page-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 900px);
  gap: 42px;
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 24px;
  align-items: start;
}

.profile-card {
  position: sticky;
  top: 28px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.portrait {
  display: block;
  width: 86%;
  margin: 0 auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #e7e0d4;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.profile-card h1 {
  margin: 20px 0 16px;
  font-size: 1.22rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.chinese-name {
  color: var(--muted);
  display: inline-block;
  font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", SimKai, serif;
  font-size: 0.9em;
  font-weight: 400;
  margin-left: 0.5rem;
  white-space: nowrap;
}

.role {
  margin-bottom: 22px;
  color: var(--muted);
  font-weight: 650;
}

.contact-list {
  display: grid;
  gap: 10px;
  padding: 18px 0 0;
  margin: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.contact-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #4b5563;
  font-size: 0.95rem;
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--accent-dark);
}

.contact-list svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  fill: currentColor;
}

.content {
  display: grid;
  gap: 18px;
}

.block {
  scroll-margin-top: 92px;
  padding: 24px 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(31, 35, 40, 0.05);
}

.intro-block {
  padding-top: 26px;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--warm);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 14px;
  font-size: 1.38rem;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 4px;
  font-size: 1rem;
  line-height: 1.3;
}

.block p:last-child,
.compact-list p:last-child {
  margin-bottom: 0;
}

.item {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.item + .item {
  margin-top: 16px;
}

.item-date {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.item p {
  margin-bottom: 0;
  color: #3d444d;
}

.project-list {
  padding-left: 1.1rem;
  margin: 0;
  color: #3d444d;
}

.project-list li + li {
  margin-top: 6px;
}

.project-link-list {
  display: grid;
  gap: 12px;
  padding-left: 1.1rem;
  margin: 0;
}

.project-link-list a {
  color: #0645ad;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  text-decoration: none;
}

.project-link-list a:hover {
  text-decoration: underline;
}

.project-link-list p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.project-links {
  margin-left: 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.94rem;
}

.project-links a {
  color: #0645ad;
  text-decoration: none;
}

.project-links a:hover {
  text-decoration: underline;
}

.compact-list {
  display: grid;
  gap: 8px;
}

.education-list {
  display: grid;
  gap: 8px;
  margin: 0;
}

.education-list div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.education-list dt {
  font-weight: 800;
}

.education-list dd {
  margin: 0;
}

.simple-list {
  padding-left: 1.1rem;
  margin: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list li {
  padding: 7px 10px;
  background: #f7f5ef;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #394150;
  font-size: 0.94rem;
}

.publication-list {
  padding-left: 1.05rem;
  margin: 0;
}

.publication-section-title {
  margin: 18px 0 8px;
  color: var(--accent-dark);
  font-size: 1rem;
  line-height: 1.3;
}

.publication-section-title:first-of-type {
  margin-top: 0;
}

.publication-list + .publication-section-title {
  margin-top: 22px;
}

.publication-list li + li {
  margin-top: 14px;
}

.publication-title {
  color: #0645ad;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  text-decoration: none;
}

.publication-title:hover {
  text-decoration: underline;
}

.publication-authors,
.publication-venue {
  color: #000000;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.96rem;
  font-weight: 400;
  line-height: 1.35;
}

.publication-authors strong {
  font-weight: 700;
}

.publication-authors {
  margin-top: 2px;
}

.publication-links {
  margin-top: 2px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.94rem;
}

.publication-links a {
  color: #0645ad;
  text-decoration: none;
}

.publication-links a:hover {
  text-decoration: underline;
}

.publication-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.visitor-map-widget {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 14px;
  padding: 2px 0 10px;
}

.visitor-map-widget img {
  display: block;
  max-width: 100%;
  height: auto;
}

.visitor-map-placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.72)),
    radial-gradient(circle at 22% 42%, rgba(15, 118, 110, 0.22) 0 5%, transparent 5.5%),
    radial-gradient(circle at 48% 38%, rgba(15, 118, 110, 0.18) 0 8%, transparent 8.5%),
    radial-gradient(circle at 73% 52%, rgba(15, 118, 110, 0.2) 0 7%, transparent 7.5%),
    #eef3ef;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-weight: 700;
}

.visitor-map-widget p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 820px) {
  html {
    scroll-padding-top: 132px;
  }

  .nav {
    align-items: flex-start;
    gap: 14px;
    width: min(100% - 28px, 680px);
    min-height: auto;
    padding: 12px 0;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 12px 18px;
    font-size: 0.84rem;
  }

  .page-shell {
    grid-template-columns: 1fr;
    width: min(100% - 28px, 680px);
    padding-top: 18px;
  }

  .profile-card {
    position: static;
  }

  .portrait {
    max-width: 220px;
  }

  .item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .block {
    padding: 22px;
  }

}