fix：详情弹窗的功能弹窗背景颜色优化

src/dialog/asset-details/index.scss

@@ -696,13 +696,17 @@
 
 /* Dropdown 挂在 body 下时，仍能命中这些全局类 */
 .assetDetails__floatMenu {
+  position: relative;
+  z-index: 1;
   width: 144px;
   padding: 5px;
   border-radius: 9px;
+  background: #ffffff;
   box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
   display: flex;
   flex-direction: column;
   gap: 0;
+  isolation: isolate;
 }
 
 .assetDetails__floatRow {
@@ -714,6 +718,7 @@
   padding: 0 11px;
   border: none;
   border-radius: 5px;
+  background: transparent;
   font-size: 14px;
   font-weight: 400;
   line-height: normal;