fix: 调整主题定制器面板的透明度设置显示逻辑

src/layouts/components/UserProfile.vue

@@ -677,9 +677,10 @@ onUnmounted(() => {
                 </VListItem>
               </template>
 
+              <VDivider class="my-2" />
+
               <!-- 透明度调整 - 仅在透明主题下显示 -->
               <template v-if="isTransparentTheme">
-                <VDivider class="my-2" />
                 <VListItem @click="showTransparencySettingsDialog">
                   <template #prepend>
                     <VIcon icon="mdi-opacity" />
@@ -689,6 +690,7 @@ onUnmounted(() => {
                     <VIcon icon="mdi-chevron-right" size="small" />
                   </template>
                 </VListItem>
+              </template>
 
               <VListItem @click="showCustomCssDialog">
                 <template #prepend>
@@ -699,7 +701,6 @@ onUnmounted(() => {
                   <VIcon icon="mdi-chevron-right" size="small" />
                 </template>
               </VListItem>
-              </template>
             </VList>
           </VMenu>