fix style

@@ -990,7 +990,6 @@
         height: 40px;
         line-height: 40px;
         background-color: #f0f0f0;
-        border-bottom: 1px solid #e0e0e0;
 
         .red {
             color: $red;
@@ -1244,10 +1243,6 @@
                     margin-bottom: 16px;
                 }
 
-                .desc {
-                    color: #444;
-                }
-
                 .explain-wrap {
                     width: calc(100% - 119px);
                     height: 98px;