轮播图更换

src/main/resources/static/police/css/crj_head.css

@@ -16,124 +16,124 @@ div.header{
 
 @keyframes changeBg {
     0%{
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
     25% {
 
-        background: url(../images/cbs/bj_cbs_summer@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_summer.png) no-repeat center;
         background-size: cover;
     }
     50% {
 
-        background: url(../images/cbs/bj_cbs_autumn@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_autumn.png) no-repeat center;
         background-size: cover;
     }
     75% {
-        background: url(../images/cbs/bj_cbs_winter@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_winter.png) no-repeat center;
         background-size: cover;
     }
     100% {
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
 }
 
 @-moz-keyframes changeBg {
     0%{
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
     25% {
 
-        background: url(../images/cbs/bj_cbs_summer@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_summer.png) no-repeat center;
         background-size: cover;
     }
     50% {
 
-        background: url(../images/cbs/bj_cbs_autumn@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_autumn.png) no-repeat center;
         background-size: cover;
     }
     75% {
-        background: url(../images/cbs/bj_cbs_winter@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_winter.png) no-repeat center;
         background-size: cover;
     }
     100% {
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
 }
 
 @-ms-keyframes changeBg {
     0%{
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
     25% {
 
-        background: url(../images/cbs/bj_cbs_summer@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_summer.png) no-repeat center;
         background-size: cover;
     }
     50% {
 
-        background: url(../images/cbs/bj_cbs_autumn@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_autumn.png) no-repeat center;
         background-size: cover;
     }
     75% {
-        background: url(../images/cbs/bj_cbs_winter@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_winter.png) no-repeat center;
         background-size: cover;
     }
     100% {
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
 }
 
 @-o-keyframes changeBg {
     0%{
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
     25% {
 
-        background: url(../images/cbs/bj_cbs_summer@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_summer.png) no-repeat center;
         background-size: cover;
     }
     50% {
 
-        background: url(../images/cbs/bj_cbs_autumn@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_autumn.png) no-repeat center;
         background-size: cover;
     }
     75% {
-        background: url(../images/cbs/bj_cbs_winter@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_winter.png) no-repeat center;
         background-size: cover;
     }
     100% {
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
 }
 @-webkit-keyframes changeBg {
     0%{
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
     25% {
 
-        background: url(../images/cbs/bj_cbs_summer@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_summer.png) no-repeat center;
         background-size: cover;
     }
     50% {
 
-        background: url(../images/cbs/bj_cbs_autumn@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_autumn.png) no-repeat center;
         background-size: cover;
     }
     75% {
-        background: url(../images/cbs/bj_cbs_winter@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_winter.png) no-repeat center;
         background-size: cover;
     }
     100% {
-        background: url(../images/cbs/bj_cbs_spring@2x.png) no-repeat center;
+        background: url(../images/cbs/bj_cbs_spring.png) no-repeat center;
         background-size: cover;
     }
 }
@@ -237,7 +237,7 @@ div.header_menu{
     -o-animation: changeBg 12s infinite;
     -webkit-animation:changeBg 12s infinite;
     background-size: cover;
-    background: url(../images/cbs/bj_cbs_autumn@2x.png) no-repeat center;
+    background: url(../images/cbs/bj_cbs_autumn.png) no-repeat center;
     position: relative;
 }
 .data_header_box>div{