.control-box {
    width: 100%;
    height: 220px;
    background-size: 1055px;
    background-repeat: no-repeat;
    background-position: 60px 165px;
    margin-left: auto;
    margin-right: auto;
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 70px;
  cursor: pointer;
  z-index: 99;
}
.prev {
  left: 0;
}
.next {
  right: 0;
}
.bigbox {
  overflow: hidden;
  width: 100%;
  height: 100%;
}
#switcher {
  height: 100%;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.lb_img_box {
  transition:all .7s ease 0s;
  width: 340px;
  height: 100%;
  float: left;
  border-left: 0px white solid;
  border-right: 0px white solid;
  background:no-repeat;
  /*margin:0px 20px;*/
}
.lb_img_box img{
  max-width:100%;
  height: 100%;
}
.lb_img_box a{
  display:block;
  width:330px;
  height:100%;
  overflow:hidden;
}
.lb_img_box:hover {
 opacity:1;
}
.bigbox .shadow {
  width: 360px;
  height: 85px;
  /* opacity: 1; */
  background-color: rgba(0, 0, 0, 0.45);
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000);
  margin-top: 130px;
  color: white;
  font-size: 14px;
}
.bigbox .shadow a {
  display: inline-block;
  width: 225px;
  height: 60px;
  color: white;
  text-decoration: none;
  margin-left: 18px;
  margin-top: 10px;
}