/* AI Daily Page Styles */
.ai-daily-intro {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-radius: 20px;
  margin-bottom: 3rem;
}
.ai-daily-intro h2 { font-size: 2.5rem; color: #fff; margin-bottom: 0.5rem; }
.ai-daily-intro .subtitle { color: rgba(255,255,255,0.7); font-size: 1rem; }
.page-nav {
  display: flex; justify-content: center; gap: 1rem;
  margin-bottom: 2rem; flex-wrap: wrap;
}
.page-nav a {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff; padding: 10px 24px; border-radius: 30px;
  text-decoration: none; font-weight: 600; transition: transform 0.2s;
}
.page-nav a:hover { transform: translateY(-2px); }
.ai-articles { display: grid; gap: 1.5rem; }
.ai-article-item {
  background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid rgba(102,126,234,0.15);
  border-radius: 16px; padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.ai-article-item:hover { transform: translateX(8px); box-shadow: 0 8px 30px rgba(102,126,234,0.15); }
.ai-article-item h3 { margin: 0 0 0.8rem; font-size: 1.2rem; }
.ai-article-item h3 a { color: #fff; text-decoration: none; transition: color 0.2s; }
.ai-article-item h3 a:hover { color: #667eea; }
.article-meta { font-size: 0.85rem; color: #666; margin-bottom: 0.8rem; }
.article-meta .tag {
  background: rgba(102,126,234,0.15); padding: 3px 10px;
  border-radius: 12px; margin-left: 8px; color: #667eea;
}
.description { color: #888; font-size: 0.95rem; line-height: 1.6; margin: 0; }
.empty { text-align: center; color: #555; padding: 3rem 0; font-size: 1.1rem; }
.ai-footer {
  text-align: center; padding: 2rem 0; margin-top: 3rem;
  border-top: 1px solid rgba(102,126,234,0.1);
  color: #555; font-size: 0.9rem;
}
.lang-btn {
  background: rgba(102,126,234,0.1); border: 1px solid rgba(102,126,234,0.3);
  color: #667eea; padding: 4px 12px; border-radius: 12px;
  cursor: pointer; font-size: 0.85rem; transition: all 0.2s;
}
.lang-btn:hover { background: rgba(102,126,234,0.2); }
[data-lang="en"] [lang="zh"] { display: none !important; }
[data-lang="en"] [lang="en"] { display: initial !important; }