:root {
  --academic-ink: #22252a;
  --academic-muted: #5f6672;
  --academic-line: #d9dee7;
  --academic-soft: #f6f8fb;
  --academic-accent: #165a92;
  --academic-accent-2: #8a3c3c;
  --academic-link: #155c9c;
  --academic-max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.academic-page {
  margin: 0;
  color: var(--academic-ink);
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.62;
}

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

.academic-page a:hover,
.academic-page a:focus {
  color: var(--academic-accent-2);
  text-decoration: underline;
}

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

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--academic-max);
  min-height: 58px;
  margin: 0 auto;
  padding: 0 26px;
}

.site-title {
  color: var(--academic-ink);
  font-size: 19px;
  font-weight: 700;
  white-space: nowrap;
}

.site-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  font-size: 14px;
}

.site-links a {
  color: #333942;
  font-weight: 600;
}

.academic-shell {
  max-width: var(--academic-max);
  margin: 0 auto;
  padding: 34px 26px 60px;
}

.profile-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.profile-card {
  position: sticky;
  top: 88px;
  padding-bottom: 24px;
}

.profile-photo {
  display: block;
  width: 210px;
  aspect-ratio: 1 / 1.24;
  margin: 0 auto 18px;
  object-fit: cover;
  object-position: center top;
  border-radius: 4px;
  border: 1px solid var(--academic-line);
  box-shadow: 0 8px 22px rgba(22, 35, 52, 0.10);
}

.profile-name {
  margin: 0;
  color: var(--academic-ink);
  font-size: 25px;
  line-height: 1.2;
  text-align: center;
}

.profile-title {
  margin: 8px 0 18px;
  color: var(--academic-muted);
  font-size: 15px;
  text-align: center;
}

.profile-meta {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  color: #3f4650;
  font-size: 14px;
}

.profile-meta li {
  margin: 8px 0;
}

.profile-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.profile-links a {
  display: block;
  padding: 8px 10px;
  color: var(--academic-ink);
  background: var(--academic-soft);
  border: 1px solid var(--academic-line);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.profile-links a:hover,
.profile-links a:focus {
  color: #ffffff;
  background: var(--academic-accent);
  border-color: var(--academic-accent);
  text-decoration: none;
}

.content-panel {
  min-width: 0;
}

.hero-block {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--academic-line);
}

.hero-block h1 {
  margin: 0 0 12px;
  color: var(--academic-ink);
  font-size: 36px;
  line-height: 1.18;
}

.hero-block p {
  max-width: 820px;
  margin: 0 0 12px;
  color: #333942;
}

.highlight-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0 4px;
}

.metric {
  padding: 13px 14px;
  background: var(--academic-soft);
  border: 1px solid var(--academic-line);
  border-radius: 4px;
}

.metric strong {
  display: block;
  color: var(--academic-accent);
  font-size: 20px;
  line-height: 1.1;
}

.metric span {
  color: var(--academic-muted);
  font-size: 13px;
}

.section {
  padding-top: 28px;
}

.section h2 {
  margin: 0 0 13px;
  padding-bottom: 7px;
  color: var(--academic-ink);
  border-bottom: 1px solid var(--academic-line);
  font-size: 23px;
  line-height: 1.25;
}

.section h3 {
  margin: 22px 0 10px;
  color: #2d333c;
  font-size: 18px;
}

.section p {
  margin: 0 0 12px;
}

.compact-list {
  margin: 0;
  padding-left: 20px;
}

.compact-list li {
  margin: 8px 0;
}

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

.news-list li {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dotted #d7dce4;
}

.news-date {
  color: var(--academic-accent);
  font-weight: 700;
}

.research-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.research-item,
.project-item {
  min-height: 100%;
  padding: 16px;
  background: var(--academic-soft);
  border: 1px solid var(--academic-line);
  border-radius: 4px;
}

.research-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  margin: 0 0 14px;
  padding: 8px;
  background: #ffffff;
  border: 1px solid var(--academic-line);
  border-radius: 4px;
}

.research-item h3,
.project-item h3 {
  margin-top: 0;
}

.representative-work {
  color: #3f4650;
  font-size: 14px;
}

.publication-list {
  margin: 0;
  padding-left: 22px;
}

.publication-list li {
  margin: 13px 0;
  padding-left: 4px;
}

.venue {
  color: var(--academic-accent-2);
  font-weight: 700;
}

.tag {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  color: #4d5662;
  background: #eef2f6;
  border: 1px solid #dbe1e9;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  vertical-align: 1px;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 8px;
}

.link-row a {
  font-weight: 600;
}

.note {
  color: var(--academic-muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-links {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .profile-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .profile-card {
    position: static;
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .profile-photo {
    width: 140px;
    margin: 0;
  }

  .profile-name,
  .profile-title {
    text-align: left;
  }

  .profile-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .highlight-strip,
  .research-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body.academic-page {
    font-size: 15px;
  }

  .academic-shell {
    padding: 22px 18px 42px;
  }

  .site-nav {
    padding-left: 18px;
    padding-right: 18px;
  }

  .profile-card {
    grid-template-columns: 1fr;
  }

  .profile-photo {
    width: 180px;
    margin: 0 auto;
  }

  .profile-name,
  .profile-title {
    text-align: center;
  }

  .profile-links {
    grid-template-columns: 1fr;
  }

  .hero-block h1 {
    font-size: 28px;
  }

  .news-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}