.control-box {
    width: 1362px;
    height: 270px;
	margin: 0 auto;
	position: relative;
}
.control-box ul {
	width: 100%;
	height: 314px;
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 50%;
  margin-top: -45px;
  cursor: pointer;
}
.prev {
  left: 0;
}
.prev img{
	/* transform:rotate(180deg); */
}
.next {
  right: 0;
}
.next  img{
  transform:rotate(180deg);
}
.bigbox-x{
	width: 1198px;
	height:312px;
	position: absolute;
	left: 80px;
	border: 1px solid #616cfa;
}
.bigbox {
  position: absolute;
  top: 20px;
  left:20px;
  overflow: hidden;
  width: 1162px;
  height: 270px;
}
#switcher {
  height: 270px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
 transition:all .7s ease 0s;
  width: 420px;
  height: 270px;
  float: left;
  margin-right:20px;
  position: relative;
  overflow: hidden;
}
.box img{
	width: 100%;
	height: 270px;
}
.box:hover {
 opacity:0.5;
}