bnb shadow offset fixed

lib/views/widgets/didvan/bnb.dart

@@ -40,7 +40,14 @@ class DidvanBNB extends StatelessWidget {
               color: Theme.of(context).colorScheme.surface,
               borderRadius:
                   const BorderRadius.vertical(top: Radius.circular(16)),
-              boxShadow: DesignConfig.defaultShadow,
+              boxShadow: [
+                BoxShadow(
+                  color: const Color(0XFF1B3C59).withOpacity(0.15),
+                  blurRadius: 8,
+                  spreadRadius: 0,
+                  offset: const Offset(0, -8),
+                )
+              ],
             ),
             padding: const EdgeInsets.symmetric(horizontal: 12),
             child: Row(