新增日志全局开关便于调试，优化部分机型可能出现的界面错乱或不显示等问题

(cherry picked from commit 5853ba7fe4e0cbe4f04b20c86e9fd84c5557139f)

lib/app/modules/kr_home/widgets/kr_subscription_card.dart

@@ -24,10 +24,25 @@ class KRSubscriptionCard extends StatelessWidget {
 
    // 构建订阅卡片
   Widget _kr_buildSubscriptionCard(BuildContext context) {
+    // 🔧 新增：订阅卡片渲染日志
+    print('🎴 [SubscriptionCard] 开始构建订阅卡片');
+    print('🎴 [SubscriptionCard] 卡片颜色: ${Theme.of(context).cardColor}');
+    print('🎴 [SubscriptionCard] 主题亮度: ${Theme.of(context).brightness}');
+    print('🎴 [SubscriptionCard] 文本颜色: ${Theme.of(context).textTheme.bodyMedium?.color}');
+    print('🎴 [SubscriptionCard] ScreenUtil - 12.w=${12.w}, 16.h=${16.h}, 44.w=${44.w}');
+
+    // 🔧 关键修复：添加最小高度约束和调试边框
     return Container(
+      // 添加最小高度，确保卡片可见
+      constraints: const BoxConstraints(minHeight: 180),
       decoration: BoxDecoration(
         color: Theme.of(context).cardColor,
         borderRadius: BorderRadius.circular(12.w),
+        // 🔧 添加边框用于调试可见性
+        border: Border.all(
+          color: Colors.blue.withOpacity(0.3),
+          width: 2,
+        ),
       ),
       child: Column(
         mainAxisSize: MainAxisSize.min,
@@ -55,7 +70,10 @@ class KRSubscriptionCard extends StatelessWidget {
               style: KrAppTextStyle(
                 fontSize: 14,
                 fontWeight: FontWeight.w400,
-                color: Theme.of(context).textTheme.bodyMedium?.color,
+                // 🔧 关键修复：确保文本颜色可见
+                color: Theme.of(context).brightness == Brightness.dark
+                    ? Colors.white
+                    : Colors.black87,
               ),
             ),
           ),