优惠券点击背景变色

@@ -70,6 +70,16 @@ $('#coupon-list').on('touchend', '.employ-main', function() {
 
     orderInfo('couponCode', $this.data('coupon-code'));
     orderInfo('couponName', $this.data('coupon-name'));
+}).on('touchstart', '.employ-main', function() {
+    var $this = $(this);
+
+    $this.siblings().removeClass('focus');
+    $this.addClass('focus');
+}).on('touchend touchcancel', '.employ-main', function() {
+    var $this = $(this);
+
+    $this.siblings().removeClass('focus');
+    $this.removeClass('focus');
 });
 
 $('body').on('touchend', '.not-use', function() {

@@ -40,6 +40,9 @@
     		background-size: 100% 100%;
     		color: #fff;
     		position: relative;
+            &.focus {
+                background-image: image-url('me/employ/employ-red.jpg');
+            }
     		span{
     			width: 34.482759%;
     			height: 100%;