/* 增强样式 */
body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  margin: 20px auto;
}

.card {
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

h1 {
  color: #1a73e8;
  padding: 30px 0 20px;
  text-align: center;
  font-size: 28px;
}

h2 a {
  color: #1a73e8;
  transition: color 0.2s;
}

h2 a:hover {
  color: #0d47a1;
}

.tag {
  transition: all 0.2s;
}

.tag:hover {
  background: #1976d2;
  color: #fff;
  transform: scale(1.05);
}

@media (max-width: 768px) {
  h1 { font-size: 20px; padding: 20px 10px 10px; }
  .container { margin: 10px; padding: 10px; }
}