diff --git a/resources/assets/less/metager/product.less b/resources/assets/less/metager/product.less
index 5b3ccd441ff6d1c2b115463f35e631c090e318dd..f9542808693aa6d4cda59e473def232eea2d3bc8 100644
--- a/resources/assets/less/metager/product.less
+++ b/resources/assets/less/metager/product.less
@@ -8,6 +8,7 @@
     .lSSlideOuter  {
         margin-top: 5px;
         border: 1px dotted @product-border-color;
+        z-index: -1;
     }
     a {
         color: @product-a-color;