.control-box {
        width: 1170px;
        height: 200px;
        margin-left: auto;
        margin-right: auto;
}
.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: 1032px;
  height: 190px;
  margin: auto 70px auto;
}
.bigbox1 {
  overflow: hidden;
  width: 1032px;
  height: 190px;
  margin: auto 70px auto;
}
#switcher {
  height: 190px;
  left: 0px;
}
#switcher1 {
  height: 190px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.content_11.content_21 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  width: 255px;
  height: 190px;
  float: left;
  margin-left: 1.5px;
    margin-right: 1.5px;

}
.box strong{ display: block;margin: auto;margin-top: 150px;line-height: 40px;font-size: 16px; color: #fff; line-height: 40px; text-align: center; background: rgba(0,0,0,0.8); font-weight: normal; width: 100%;}
.box:hover {
 opacity:0.5;
}
.shadow {
  width: 255px;
  height: 60px;
  /* 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;
}
.shadow a {
  display: inline-block;
  width: 225px;
  height: 60px;
  color: white;
  text-decoration: none;
  margin-left: 18px;
  margin-top: 10px;
}