:root {
  --primary: #2c3e50;
  --secondary: #95a5a6;
  --success: #18bc9c;
}

body {
  font-family: 'Noto Sans SC', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  line-height: 1.8;
}

.navbar {
  border-bottom: 2px solid var(--primary);
}

h1, h2, h3 {
  color: var(--primary);
  font-weight: 600;
  margin-top: 2rem;
}

.sidebar {
  background-color: #f8f9fa;
  padding: 2rem;
  border-right: 1px solid #dee2e6;
}

.card {
  border: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.publication-list li {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background-color: #f8f9fa;
  border-radius: 4px;
}

footer {
  background-color: var(--primary);
  color: white;
  padding: 2rem 0;
  margin-top: 4rem;
}