style: 优化图例、工具箱小部件的样式效果

src/components/Map/Widgets/Legend/src/Legend.vue

@@ -162,7 +162,7 @@
         padding: 12rpx 20rpx;
         background-color: #fff;
         border-radius: 10rpx;
-        box-shadow: 0 0 15rpx rgba(0, 0, 0, 0.3);
+        box-shadow: 0 0 15rpx rgba(0, 0, 0, 0.2);
 
         .expand-action {
             font-size: 26rpx;

src/components/Map/Widgets/ToolBox/src/ToolBox.vue

@@ -285,7 +285,7 @@
             padding: 12rpx 20rpx;
             background-color: #fff;
             border-radius: 10rpx;
-            box-shadow: 0 0 15rpx rgba(0, 0, 0, 0.3);
+            box-shadow: 0 0 15rpx rgba(0, 0, 0, 0.2);
             margin-top: 30rpx;
 
             .text {
@@ -327,7 +327,7 @@
 
         .button-group {
             flex-direction: column;
-            box-shadow: 0 0 15rpx rgba(0, 0, 0, 0.3);
+            box-shadow: 0 0 15rpx rgba(0, 0, 0, 0.2);
             background-color: white;
             border-radius: 10rpx;
             padding: 5rpx 0;