解决冲突

src/assets/styles/index.scss

@@ -16,7 +16,16 @@ a {
 html, body, #app, .el-container, .el-aside, .el-main {
   height: 100%;
 }
-
+.tunnel-title {
+  width: 2330px;
+  height: 156px;
+  z-index: 2;
+  position: absolute;
+  top: 0;
+  left: 50%;
+  margin-left: -1165px;
+  background-image: url('../images/topAndDown/sp_tb.png');
+}
 .box-top {
   .manage-btn {
     display: flex;
@@ -49,17 +58,6 @@ html, body, #app, .el-container, .el-aside, .el-main {
     }
   }
 
-  .tunnel-title {
-    width: 2330px;
-    height: 156px;
-    z-index: 2;
-    position: absolute;
-    top: 0;
-    left: 50%;
-    margin-left: -1165px;
-    background-image: url('../images/topAndDown/sp_tb.png');
-  }
-
   .top-right {
     z-index: 2;
     position: absolute;
@@ -113,6 +111,7 @@ html, body, #app, .el-container, .el-aside, .el-main {
   .el-drawer {
     width: 900px !important;
     background-color: transparent;
+    box-shadow: none;
   }
 }