diff --git a/src/assets/styles/sidebar.scss b/src/assets/styles/sidebar.scss
index 862e343..f0a94d0 100644
--- a/src/assets/styles/sidebar.scss
+++ b/src/assets/styles/sidebar.scss
@@ -15,7 +15,7 @@
     -webkit-transition: width .28s ease-in-out;
     transition: width 0.28s ease-in-out, box-shadow 0.3s ease;
     width: $base-sidebar-width !important;
-    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
+    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
     height: 100vh;
     position: fixed;
     top: 0;
@@ -375,7 +375,7 @@
 
 // 弹出菜单样式优化
 .el-menu--popup {
-  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
+  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%) !important;
   border-radius: 12px !important;
   box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2) !important;
   backdrop-filter: blur(10px);