update keep alive filter

lib/features/news/presentation/pages/news_detail_page.dart

@@ -154,33 +154,8 @@ class _NewsDetailPageState extends ConsumerState<NewsDetailPage> {
                   ),
                 ),
 
-                const SizedBox(height: 16),
+                const SizedBox(height: 8),
 
-                // Excerpt
-                Container(
-                  padding: const EdgeInsets.all(16),
-                  decoration: BoxDecoration(
-                    color: const Color(0xFFF8FAFC),
-                    border: const Border(
-                      left: BorderSide(color: AppColors.primaryBlue, width: 4),
-                    ),
-                    borderRadius: const BorderRadius.only(
-                      topRight: Radius.circular(8),
-                      bottomRight: Radius.circular(8),
-                    ),
-                  ),
-                  child: Text(
-                    article.excerpt,
-                    style: const TextStyle(
-                      fontSize: 16,
-                      color: Color(0xFF64748B),
-                      fontStyle: FontStyle.italic,
-                      height: 1.5,
-                    ),
-                  ),
-                ),
-
-                const SizedBox(height: 24),
 
                 // Article Body - Render HTML content
                 if (article.content != null && article.content!.isNotEmpty)