有2层less，删掉一层

src/components/other/cesium/index.vue

@@ -606,8 +606,6 @@ export default {
     position: relative;
   }
 }
-</style>
-<style lang="less">
 .menu {
   .el-dropdown-menu {
     background: rgba(0, 0, 0, 0.5) !important;
@@ -619,4 +617,4 @@ export default {
 .heatmap-canvas {
   pointer-events: none;
 }
-</style>
+</style>