diff --git a/CLAUDE.md b/CLAUDE.md
index 15b587e..4baf0c0 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -383,6 +383,25 @@ fun toggleAllExpand() {
 }
 ```
 
+4. **子列表项 checkbox 样式**（必须使用 `_style` 系列，禁止使用 `_gray` 系列）:
+```xml
+<!-- 子列表项 item_xxx_sub.xml 中的 iv_checkbox -->
+<ImageView
+    android:id="@+id/iv_checkbox"
+    android:layout_width="0dp"
+    android:layout_height="20dp"
+    android:layout_gravity="center_vertical"
+    android:layout_weight="0.5"
+    loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_style : @drawable/radiobtn_unchecked_style}"
+    android:src="@drawable/radiobtn_unchecked_style" />
+```
+
+| 资源 | 含义 | 外观 |
+|------|------|------|
+| `radiobtn_checked_style` | 选中 | colorPrimary 蓝色实心圆 + 白色内环 |
+| `radiobtn_unchecked_style` | 未选中 | 透明 + 黑色边框圆 |
+| ~~`radiobtn_checked_gray`~~ | ❌ 禁用 | 灰色实心圆（错误样式） |
+
 **参考文件**: `module_gjc/.../IntExpStorageUseActivity.kt`、`IntExpStorageUseViewModel.kt`
 
 ---
diff --git a/module_gjj/src/main/res/layout/item_int_arr_air_manifest_sub.xml b/module_gjj/src/main/res/layout/item_int_arr_air_manifest_sub.xml
index 8ffdc49..a0c6b29 100644
--- a/module_gjj/src/main/res/layout/item_int_arr_air_manifest_sub.xml
+++ b/module_gjj/src/main/res/layout/item_int_arr_air_manifest_sub.xml
@@ -27,8 +27,8 @@
             android:layout_height="20dp"
             android:layout_gravity="center_vertical"
             android:layout_weight="0.5"
-            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_gray : @drawable/radiobtn_unchecked_gray}"
-            android:src="@drawable/radiobtn_unchecked_gray" />
+            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_style : @drawable/radiobtn_unchecked_style}"
+            android:src="@drawable/radiobtn_unchecked_style" />
 
         <!-- 分单号 -->
         <TextView
diff --git a/module_gjj/src/main/res/layout/item_int_imp_manifest_sub.xml b/module_gjj/src/main/res/layout/item_int_imp_manifest_sub.xml
index 11f89b1..3428afd 100644
--- a/module_gjj/src/main/res/layout/item_int_imp_manifest_sub.xml
+++ b/module_gjj/src/main/res/layout/item_int_imp_manifest_sub.xml
@@ -27,8 +27,8 @@
             android:layout_height="20dp"
             android:layout_gravity="center_vertical"
             android:layout_weight="0.5"
-            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_gray : @drawable/radiobtn_unchecked_gray}"
-            android:src="@drawable/radiobtn_unchecked_gray" />
+            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_style : @drawable/radiobtn_unchecked_style}"
+            android:src="@drawable/radiobtn_unchecked_style" />
 
         <!-- 运单号 -->
         <TextView
diff --git a/module_gjj/src/main/res/layout/item_int_imp_storage_use_sub.xml b/module_gjj/src/main/res/layout/item_int_imp_storage_use_sub.xml
index 21e5f28..e139817 100644
--- a/module_gjj/src/main/res/layout/item_int_imp_storage_use_sub.xml
+++ b/module_gjj/src/main/res/layout/item_int_imp_storage_use_sub.xml
@@ -27,7 +27,7 @@
             android:layout_height="20dp"
             android:layout_gravity="center_vertical"
             android:layout_weight="0.5"
-            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_gray : @drawable/radiobtn_unchecked_gray}"
+            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_style : @drawable/radiobtn_unchecked_style}"
             android:src="@drawable/radiobtn_unchecked_style" />
 
         <!-- 库位号 -->
diff --git a/module_gjj/src/main/res/layout/item_int_imp_tally_sub.xml b/module_gjj/src/main/res/layout/item_int_imp_tally_sub.xml
index f1743d3..483cd15 100644
--- a/module_gjj/src/main/res/layout/item_int_imp_tally_sub.xml
+++ b/module_gjj/src/main/res/layout/item_int_imp_tally_sub.xml
@@ -27,7 +27,7 @@
             android:layout_height="20dp"
             android:layout_gravity="center_vertical"
             android:layout_weight="0.5"
-            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_gray : @drawable/radiobtn_unchecked_gray}"
+            loadImage="@{bean.checked.get() ? @drawable/radiobtn_checked_style : @drawable/radiobtn_unchecked_style}"
             android:src="@drawable/radiobtn_unchecked_style" />
 
         <!-- 分单号 -->