:root {
  --text: #202124;
  --muted: #5f6368;
  --link: #1769aa;
  --border: #dadce0;
  --soft: #f7f8fa;
  --content-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--content-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 28px;
}

.site-name {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  white-space: nowrap;
}

.site-name:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #3c4043;
  border-radius: 4px;
  font-size: 0.95rem;
  line-height: 1;
  padding: 9px 10px;
}

.nav-links a:hover {
  background: var(--soft);
  text-decoration: none;
}

.page-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 58px;
  padding: 58px 0 72px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 94px;
}

.profile {
  padding: 4px 0 34px;
  scroll-margin-top: 92px;
}

.profile-photo {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--border);
}

.sidebar-info {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.sidebar-info p {
  margin-bottom: 8px;
}

.sidebar-info strong {
  color: var(--text);
  font-weight: 700;
}

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

h1,
h2,
h3 {
  font-family: inherit;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.1rem, 4vw, 2.7rem);
  font-weight: 700;
  line-height: 1.1;
}

.section {
  padding: 28px 0;
  scroll-margin-top: 92px;
}

h2 {
  margin-bottom: 14px;
  color: var(--link);
  font-size: 1.68rem;
  font-weight: 700;
  line-height: 1.25;
}

h3 {
  margin-bottom: 4px;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
}

.intro-research {
  margin: 24px 0 0;
  scroll-margin-top: 92px;
}

.publication-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-list li + li {
  margin-top: 28px;
}

.publication-list p {
  margin-bottom: 2px;
}

.publication-title {
  font-weight: 700;
}

.publication-authors,
.publication-venue {
  color: #3c4043;
}

.publication-venue {
  font-style: italic;
}

.ccf-rank {
  font-style: normal;
  font-weight: 700;
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 30px, var(--content-width));
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 4px;
    padding-bottom: 2px;
  }

  .site-name {
    font-size: 1rem;
  }

  .page-shell {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 34px 0 50px;
  }

  .sidebar {
    display: grid;
    grid-template-columns: minmax(120px, 165px) minmax(0, 1fr);
    gap: 22px;
    position: static;
  }

  .sidebar-info {
    margin-top: 0;
  }

  .profile {
    padding-top: 0;
  }

  .profile-photo {
    width: 100%;
  }

  .section {
    padding: 18px 0;
  }

}

@media print {
  .site-header {
    display: none;
  }

  .page-shell {
    display: block;
  }

  .sidebar {
    position: static;
    width: 220px;
  }

  .profile,
  .section {
    break-inside: avoid;
  }
}