fix(工具箱): 优化“保持亮屏”工具界面样式，背景添加圆角

src/views/ToolboxView/Other/KeepScreenOn.vue

@@ -3,6 +3,7 @@
     ref="selfRef"
     class="tool-detail-page"
     :class="{
+      'has-radius': !fullscreen.isFullscreen.value,
       'is-dark-color': isDarkColor,
       'is-faded': isFaded,
       'is-on': wakeLock.isActive.value,

src/views/ToolboxView/ToolboxView.vue

@@ -192,6 +192,10 @@ function handleOpenTool(data) {
     height: 100%;
     overflow-y: auto;
 
+    &.has-radius {
+      border-radius: 8px;
+    }
+
     > .n-card:not(:first-child) {
       margin-top: 20px;
     }