diff --git a/app/src/main/res/drawable/bg_btn_save.xml b/app/src/main/res/drawable/bg_btn_save.xml
index 05736a9..7c37d1a 100644
--- a/app/src/main/res/drawable/bg_btn_save.xml
+++ b/app/src/main/res/drawable/bg_btn_save.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <solid android:color="#FFFF3232"/>
+<!--    <solid android:color="#FFFF3232"/>-->
+    <solid android:color="@color/dish_green"/>
     <corners android:radius="12dp"/>
 </shape>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/bg_take_photo.xml b/app/src/main/res/drawable/bg_take_photo.xml
new file mode 100644
index 0000000..633849b
--- /dev/null
+++ b/app/src/main/res/drawable/bg_take_photo.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 拍照按钮背景：圆角矩形，填充色 #00BC71 -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="#00BC71" />
+    <corners android:radius="12dp" />
+</shape>
diff --git a/app/src/main/res/drawable/ic_camera_white.xml b/app/src/main/res/drawable/ic_camera_white.xml
new file mode 100644
index 0000000..59345c3
--- /dev/null
+++ b/app/src/main/res/drawable/ic_camera_white.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 白色相机图标：外圆环 evenOdd 镂空，机身实心，镜头白色小圆 -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="56dp"
+    android:height="56dp"
+    android:viewportWidth="56"
+    android:viewportHeight="56">
+
+    <!-- 外圆环：大圆 + 小圆 evenOdd，中间透明 -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="evenOdd"
+        android:pathData="
+            M28,4
+            A24,24 0 1,1 27.9999,4 Z
+            M28,10
+            A18,18 0 1,0 28.0001,10 Z" />
+
+    <!-- 相机机身：evenOdd 在镜头位置挖透明圆孔 -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="evenOdd"
+        android:pathData="
+            M20,22 L22.5,18 L33.5,18 L36,22 L38,22
+            A2,2 0 0,1 40,24 L40,36
+            A2,2 0 0,1 38,38 L18,38
+            A2,2 0 0,1 16,36 L16,24
+            A2,2 0 0,1 18,22 Z
+            M28,23
+            A6,6 0 1,0 28.0001,23 Z" />
+
+    <!-- 镜头中心：白色小圆点 -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M28,25.5 A3.5,3.5 0 1,0 28.0001,25.5 Z" />
+
+</vector>
diff --git a/app/src/main/res/drawable/ic_delete_green.xml b/app/src/main/res/drawable/ic_delete_green.xml
new file mode 100644
index 0000000..b1c7b31
--- /dev/null
+++ b/app/src/main/res/drawable/ic_delete_green.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 绿色圆角背景 + 白色垃圾桶图标，替代红色的 ic_delete_red.png -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- 绿色圆角背景 -->
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="#00BC71" />
+            <corners android:radius="10dp" />
+        </shape>
+    </item>
+
+    <!-- 白色垃圾桶图标，居中显示 -->
+    <item
+        android:drawable="@drawable/ic_trash_white"
+        android:gravity="center" />
+
+</layer-list>
diff --git a/app/src/main/res/drawable/ic_trash_white.xml b/app/src/main/res/drawable/ic_trash_white.xml
new file mode 100644
index 0000000..9566771
--- /dev/null
+++ b/app/src/main/res/drawable/ic_trash_white.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 白色垃圾桶图标：使用 evenOdd 填充规则实现条纹镂空，无硬编码背景色依赖 -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="40dp"
+    android:viewportWidth="40"
+    android:viewportHeight="40">
+
+    <!-- 桶盖 -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="evenOdd"
+        android:pathData="
+            M10,13 A1,1 0 0,1 10,11 L14,11 L14,9
+            A2,2 0 0,1 16,7 L24,7
+            A2,2 0 0,1 26,9 L26,11 L30,11
+            A1,1 0 0,1 30,13 Z
+            M16,9 L16,11 L24,11 L24,9 Z" />
+
+    <!-- 桶身：外轮廓 + 三条竖槽镂空，evenOdd 使竖槽透明 -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="evenOdd"
+        android:pathData="
+            M12,15 L13.5,33
+            A2,2 0 0,0 15.5,35 L24.5,35
+            A2,2 0 0,0 26.5,33 L28,15 Z
+            M17,18 L17,32 L19,32 L19,18 Z
+            M19.5,18 L19.5,32 L21.5,32 L21.5,18 Z
+            M22,18 L22,32 L24,32 L24,18 Z" />
+
+</vector>
diff --git a/app/src/main/res/drawable/line_shape.xml b/app/src/main/res/drawable/line_shape.xml
index 7a0315c..f47d824 100644
--- a/app/src/main/res/drawable/line_shape.xml
+++ b/app/src/main/res/drawable/line_shape.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <solid android:color="#FFFF3232"/>
+    <solid android:color="@color/dish_green"/>
     <size android:width="10dp" android:height="40dp"/>
     <corners android:radius="5dp"/>
 </shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_collect.xml b/app/src/main/res/layout/fragment_collect.xml
index a223a5f..2051362 100644
--- a/app/src/main/res/layout/fragment_collect.xml
+++ b/app/src/main/res/layout/fragment_collect.xml
@@ -98,15 +98,33 @@
             android:foreground="@drawable/ripple_effect"/>
 <!--        android:background="?android:attr/selectableItemBackgroundBorderless"-->
 
-        <ImageView
+        <!-- 拍照按钮：绿色圆角背景 + 相机图标 + 文字 -->
+        <LinearLayout
             android:id="@+id/btnTakePhoto"
             android:layout_width="212dp"
             android:layout_height="155dp"
-            android:src="@drawable/ic_take_photo"
+            android:background="@drawable/bg_take_photo"
+            android:foreground="@drawable/ripple_effect"
+            android:gravity="center"
+            android:orientation="vertical"
             app:layout_constraintBottom_toBottomOf="@id/flPreview"
-            app:layout_constraintEnd_toEndOf="@id/btnCollectedFood"
-            tools:ignore="ContentDescription"
-            android:foreground="@drawable/ripple_effect"/>
+            app:layout_constraintEnd_toEndOf="@id/btnCollectedFood">
+
+            <ImageView
+                android:layout_width="72dp"
+                android:layout_height="72dp"
+                android:src="@drawable/ic_camera_white"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="6dp"
+                android:text="拍照"
+                android:textColor="@color/white"
+                android:textSize="30sp"
+                android:textStyle="bold" />
+        </LinearLayout>
 
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/rvFoodList"
diff --git a/app/src/main/res/layout/list_item_food_collection.xml b/app/src/main/res/layout/list_item_food_collection.xml
index 1f53c86..8142089 100644
--- a/app/src/main/res/layout/list_item_food_collection.xml
+++ b/app/src/main/res/layout/list_item_food_collection.xml
@@ -19,7 +19,7 @@
         android:layout_height="52dp"
         android:layout_gravity="end|top"
         android:padding="6dp"
-        android:src="@drawable/ic_delete_red" />
+        android:src="@drawable/ic_delete_green" />
 
     <ImageView
         android:id="@+id/ivFinish"