fix：导航栏交互和UI

lib/widgets/institution_card.dart

@@ -23,14 +23,14 @@ class InstitutionCard extends StatelessWidget {
         : institution.nameCn.characters.take(2).toString();
     return AppCard(
       onTap: onTap,
-      padding: const EdgeInsets.all(16),
+      padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 14),
       child: Row(
-        crossAxisAlignment: CrossAxisAlignment.start,
+        crossAxisAlignment: CrossAxisAlignment.center,
         children: [
           InstitutionLogo(
             logoUrl: institution.logoUrl,
             initials: initials,
-            size: 52,
+            size: 48,
           ),
           const SizedBox(width: 14),
           Expanded(
@@ -54,10 +54,10 @@ class InstitutionCard extends StatelessWidget {
                     style: YantingText.meta,
                   ),
                 ],
-                const SizedBox(height: 11),
+                const SizedBox(height: 8),
                 Wrap(
-                  spacing: 8,
-                  runSpacing: 8,
+                  spacing: 7,
+                  runSpacing: 7,
                   children: [
                     if (institution.institutionType.isNotEmpty)
                       AppBadge(
@@ -71,14 +71,14 @@ class InstitutionCard extends StatelessWidget {
               ],
             ),
           ),
-          const SizedBox(width: 8),
+          const SizedBox(width: 10),
           Column(
             crossAxisAlignment: CrossAxisAlignment.end,
             children: [
               Text(
                 '${institution.reportCount}',
                 style: YantingText.sectionTitle.copyWith(
-                  fontSize: 21,
+                  fontSize: 20,
                   fontFeatures: YantingTypographyFeatures.tabularNums,
                 ),
               ),