.control-box {
    width: 1200px;
    height: 230px;
    
   
    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: 1050px;
  height: 190px;
  margin: auto 73px auto;
}
#switcher {
  height: 190px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  width: 248px;
  height: 240px;
  float: left;
  border-left: 3px white solid;
  
}
.box:hover {
 opacity:0.5;
}
.shadow {
 
  height: 35px;
  /* opacity: 1; */
  background-color: rgba(83, 132, 188, 0.45);
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000);
  margin-top: 155px;
  color: #333333;
  font-size: 16px;
  text-align: center;
}
.shadow a {
  display: inline-block;
  
 
  color: #333333;
  text-decoration: none;

  margin-top: 10px;
}

/* 第二遍 */
.control-box2 {
    width: 1200px;
    height: 230px;
    
   margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
	
}
.control-box2 ul {
  list-style: none;
  position: relative;
}
.control-box2 ul li {
  position: absolute;
  top: 50px;
  cursor: pointer;
}
.prev2 {
  left: 0;
}
.next2 {
  right: 0;
}
.bigbox2 {
  overflow: hidden;
  width: 1050px;
  height: 190px;
  margin: auto 73px auto;
}
#switcher2 {
  height: 190px;
  left: 0px;
}
.content_12.content_22 {
  width: 100%;
  float: left;
}
.box2 {
  transition:all .7s ease 0s;
  width: 248px;
  height: 240px;
  float: left;
  border-left: 3px white solid;
  
}
.box2:hover {
 opacity:0.5;
}
.shadow2 {
 
  height: 35px;
  /* opacity: 1; */
  background-color: rgba(83, 132, 188, 0.45);
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000);
  margin-top: 155px;
  color: #333333;
  font-size: 16px;
  text-align: center;
}
.shadow2 a {
  display: inline-block;
  
 
  color: #333333;
  text-decoration: none;

  margin-top: 10px;
}