.control-box {
    width: 1170px;
    height: 350px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 68px;
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 110px;
  cursor: pointer;
}
.prev {
  width: 42px;
  height: 42px;
  left: -105px;
  background-image: url(../../image/arrow-left.png);
  background-repeat: no-repeat;
  background-size: 600%;
  background-position: -50px;
}
.next {
  right: -105px;
  width: 42px;
  height: 42px;
  background-image: url(../../image/arrow-left.png);
  background-repeat: no-repeat;
  background-size: 600%;
  background-position: -155px;
}
.bigbox {
  overflow: hidden;
  width: 1032px;
  height: 350px;
  margin: auto 70px auto;
}
#switcher {
  height: 190px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  width: 247px;
  height: 293px;
  float: left;
  border-left: 3px white solid;
  background: #666666;
}
.box:hover {
 /* opacity:0.5; */
}
.shadow {
  width: 100%;
  height: 60px;
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000);
  margin-top: 314px;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #666666;
  text-align: center;
}
.shadow a {
  display: inline-block;
  width: 225px;
  height: 60px;
  color: white;
  text-decoration: none;
  margin-left: 18px;
  margin-top: 10px;
}