.breadcrumb {
  padding: 20px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: #3b82f6;
}

.article-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-bottom: 80px;
}

.article-content {
  background: #fff;
  padding: 40px;
  border-radius: 15px;
  box-shadow: var(--shadow);
}

.article-header {
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.article-header h1 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 15px;
  line-height: 1.4;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.article-body {
  line-height: 1.8;
  color: #444;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body img {
  border-radius: 10px;
  margin: 20px 0;
  width: 100%;
}

.sidebar-card {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 30px;
}

.sidebar-card h3 {
  font-size: 18px;
  margin-bottom: 20px;
  border-bottom: 2px solid #3b82f6;
  display: inline-block;
  padding-bottom: 5px;
}

.related-news-item {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px dashed #eee;
}

.related-news-item:last-child {
  border-bottom: none;
}

.related-news-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 5px;
  line-height: 1.4;
}

.related-news-item span {
  font-size: 11px;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .article-container {
    grid-template-columns: 1fr;
  }
}