/* 童话影视 - UI风格 0 - 布局 B */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
  line-height: 1.6;
  min-height: 100vh;
}

.ui-style-0 {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --accent-color: #e74c3c;
}

nav {
  background: var(--secondary-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  transition: all 0.3s ease;
  border-radius: 4px;
}

nav a:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.logo {
  font-weight: bold;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

.container {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.video-card, .video-item {
  transition: all 0.3s ease;
  cursor: pointer;
}

.video-card:hover, .video-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15) !important;
}

h1, h2, h3 {
  color: var(--secondary-color);
  font-weight: 600;
}

a {
  color: var(--primary-color);
  transition: color 0.3s ease;
}

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

.intro {
  border-left: 4px solid var(--primary-color);
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  nav a {
    font-size: 0.8rem;
    padding: 0.5rem 0.2rem;
  }

  .logo {
    font-size: 1rem;
  }

  .video-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  nav a {
    font-size: 0.7rem;
    padding: 0.4rem 0.1rem;
  }
}