diff --git a/css/style.css b/css/style.css
index 9887d36..b8d6261 100644
--- a/css/style.css
+++ b/css/style.css
@@ -1037,7 +1037,12 @@
 	background-size: 20px 22px;
 }
 .memorabili-swiper .swiper-button-disabled{
-	opacity: 1;
+	opacity: .5;
+	-webkit-filter: grayscale(100%);
+	-moz-filter: grayscale(100%);
+	-ms-filter: grayscale(100%);
+	-o-filter: grayscale(100%);
+	filter: grayscale(100%); 
 }
 
 .memorabili-txt .line{
@@ -1346,6 +1351,24 @@
 	background-image: url(../imgs/arrow-right2.png);
 }
 
+.preview-arrow .swiper-button-disabled{
+	opacity: .5;
+	-webkit-filter: grayscale(100%);
+	-moz-filter: grayscale(100%);
+	-ms-filter: grayscale(100%);
+	-o-filter: grayscale(100%);
+	filter: grayscale(100%); 
+}
+.preview-arrow .preview-arrow-prev.swiper-button-disabled:hover{
+	background-color: rgba(0,0,0,0);
+	background-image: url(../imgs/arrow-left.png);
+}
+.preview-arrow .preview-arrow-next.swiper-button-disabled:hover{
+	background-color: rgba(0,0,0,0);
+	background-image: url(../imgs/arrow-right.png);
+}
+
+
 /* 应用领域 */
 .area-list{
 	display: flex;