.control-box {
    width: 1270px;
    height: 230px;
    background-image: url(/style/hots_bg.png);
    background-size: 1155px;
    background-repeat: no-repeat;
    background-position: 60px 165px;
    margin-left: auto;
    margin-right: auto;
	margin-top:250px;  float:left
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 50px;
  cursor: pointer;
}
.prev {
  left: 0;
}
.next {
  right: 0;
}
.bigbox {
  overflow: hidden;
  width: 1132px;
  height: 190px;
  margin: auto 70px auto;
}
#switcher {
  height: 190px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  width: 280px;
  height: 190px;
  float: left;
  border-left: 3px white solid;
}
.box:hover {
 opacity:0.5;
}
.box img{
  width:280px;
  height:190px;
}