/* UI风格变体 8 - 布局变体 A */
body.ui-style-8 {
  font-size: 16px;
}

body.ui-style-8 h1 {
  color: #2563eb;
}

.video-card:hover {
  border-color: #ef4444;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem 0.75rem;
  }

  section {
    padding: 1.5rem 1rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .video-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}