fix：导航栏交互和UI

lib/widgets/app_card.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:shadcn_ui/shadcn_ui.dart';
 
 import '../theme/yanting_tokens.dart';
 
@@ -21,29 +20,31 @@ class AppCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final theme = ShadTheme.of(context);
     final radius = BorderRadius.circular(YantingRadius.xl);
-    final content = ShadCard(
-      padding: padding,
-      backgroundColor: color,
-      radius: radius,
-      border: ShadBorder.all(color: borderColor),
-      shadows: const [],
-      child: child,
+    final decoration = BoxDecoration(
+      color: color,
+      borderRadius: radius,
+      border: Border.all(color: borderColor),
     );
-    if (onTap == null) return content;
+    if (onTap == null) {
+      return DecoratedBox(
+        decoration: decoration,
+        child: Padding(padding: padding, child: child),
+      );
+    }
 
     return Material(
       color: Colors.transparent,
       borderRadius: radius,
-      child: InkWell(
-        borderRadius: radius,
-        splashColor: theme.colorScheme.mutedForeground.withValues(alpha: 0.08),
-        highlightColor: theme.colorScheme.mutedForeground.withValues(
-          alpha: 0.04,
+      child: Ink(
+        decoration: decoration,
+        child: InkWell(
+          borderRadius: radius,
+          splashColor: YantingColors.mutedForeground.withValues(alpha: 0.08),
+          highlightColor: YantingColors.mutedForeground.withValues(alpha: 0.04),
+          onTap: onTap,
+          child: Padding(padding: padding, child: child),
         ),
-        onTap: onTap,
-        child: content,
       ),
     );
   }