采用雪碧图

@@ -23,7 +23,7 @@
     .global-plane {
         width: 21px;
         height: 21px;
-        background-image: resolve("product/airplane.png");
+        background-image: url("/product/airplane.png");
         background-repeat: no-repeat;
         background-size: cover;
         margin-right: 10px;

@@ -213,12 +213,12 @@
     }
 
     .service-cont .service-prob:before {
-        background-image: url("http://cdn.yoho.cn/global/images/service-q.png");
+        background-image: url("/product/service-q.png");
         background-repeat: no-repeat;
     }
 
     .service-cont .service-answer:before {
-        background-image: url("http://cdn.yoho.cn/global/images/service-a.png");
+        background-image: url("/product/service-a.png");
         background-repeat: no-repeat;
     }
 
@@ -247,12 +247,12 @@
     }
 
     .shrink-btn-down {
-        background-image: url("http://cdn.yoho.cn/global/images/service_down.png");
+        background-image: url("/product/service_down.png");
         background-repeat: no-repeat;
     }
 
     .shrink-btn-up {
-        background-image: url("http://cdn.yoho.cn/global/images/service_up.png");
+        background-image: url("/product/service_up.png");
         background-repeat: no-repeat;
     }
 
@@ -263,6 +263,5 @@
         vertical-align: middle;
         margin-left: 10px;
         cursor: pointer;
-        background-size: contain;
     }
 }