:root {
  --bg-color: #fff;
  --text-color: #2d3748;
  --text-secondary: #4a5568;
  --accent-color: #4a74b9;
  --accent-hover: #3a5c9e;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --animation-offset: 3px;
  --transition-time: 0.3s;
}

body {
  font-family: 'Merriweather', Georgia, 'Times New Roman', serif;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--text-color);
  background-color: var(--bg-color);
  font-weight: 300;
}

header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-content {
  flex: 1;
}

.affiliation {
  color: var(--text-secondary);
  margin: 0.25rem 0 0;
  font-weight: 400;
}

.header-image {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-image img {
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  transition: transform var(--transition-time) ease, box-shadow var(--transition-time) ease;
}

.header-image img:hover {
  transform: scale(1.02);
  box-shadow: 0 5px 15px var(--shadow-color);
}

.header-photo {
  width: 130px;
  height: 130px;
  object-position: center 62%;
}

.header-icon {
  width: 80px;
  height: 80px;
}

h1 {
  font-size: 2.2rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.4rem;
  font-weight: 500;
  margin: 1.75rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: -0.01em;
}

nav {
  margin-top: 1.5rem;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

nav a,
.social-links-header a {
  text-decoration: none;
  color: var(--text-secondary);
  transition: all var(--transition-time) ease;
  font-weight: 400;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

nav a:hover,
.social-links-header a:hover {
  color: var(--accent-color);
  background-color: rgba(74, 116, 185, 0.08);
  transform: translateX(var(--animation-offset));
}

.social-links-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 1.2rem 0 0;
}

.social-links-header a i {
  margin-right: 0.4rem;
}

.publication-item,
.award-item,
.service-category,
.misc-item,
.news-list li {
  transition: transform var(--transition-time) ease;
}

.publication-item:hover,
.award-item:hover,
.service-category:hover,
.misc-item:hover,
.news-list li:hover {
  transform: translateX(var(--animation-offset));
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(var(--animation-offset));
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

section {
  margin-bottom: 2rem;
  scroll-margin-top: 1rem;
  animation: fadeIn 0.8s ease-out;
  width: 100%;
}

.publications-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.toggle-publications {
  background-color: rgba(74, 116, 185, 0.08);
  color: var(--accent-color);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: all var(--transition-time) ease;
}

.toggle-publications:hover {
  background-color: var(--accent-color);
  color: white;
}

.publication-item {
  margin-bottom: 1.25rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.pub-title {
  font-weight: 500;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.pub-authors {
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.highlight-name {
  font-weight: 600;
  color: var(--accent-color);
}

.pub-venue-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.pub-venue {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-secondary);
}

.pub-award {
  font-size: 0.85rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--accent-color);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(74, 116, 185, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(74, 116, 185, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(74, 116, 185, 0);
  }
}

.pub-links {
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pub-links a {
  color: var(--accent-color);
  transition: all var(--transition-time) ease;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background-color: rgba(74, 116, 185, 0.08);
}

.pub-links a:hover {
  color: #fff;
  background-color: var(--accent-color);
  transform: translateX(3px);
  box-shadow: 0 2px 5px rgba(74, 116, 185, 0.2);
}

.news-container {
  max-height: 280px;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.news-container::-webkit-scrollbar {
  display: none;
}

.news-list {
  padding-left: 0;
  list-style-type: none;
  margin: 0.5rem 0;
}

.news-list li {
  margin-bottom: 0.9rem;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(74, 116, 185, 0.2);
  padding-bottom: 0.2rem;
}

.news-list li:hover {
  border-left-color: var(--accent-color);
}

.news-date {
  font-weight: 500;
  color: var(--accent-color);
  margin-right: 0.5rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-time) ease;
}

a:hover {
  color: var(--accent-hover);
}

em {
  font-style: italic;
  color: var(--text-secondary);
}

ul {
  padding-left: 1.25rem;
}

p {
  margin: 0.5rem 0 0.75rem;
}

strong {
  font-weight: 600;
  color: var(--accent-color);
}

@media (max-width: 768px) {
  header {
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 1rem;
  }

  .social-links-header {
    flex-wrap: wrap;
    justify-content: center;
  }

  .publication-item:hover,
  .award-item:hover,
  .service-category:hover,
  .misc-item:hover,
  .news-list li:hover,
  nav a:hover,
  .social-links-header a:hover,
  .pub-links a:hover {
    transform: none !important;
  }
}