.control-box {
    width: 1444px;
    margin:0 auto; padding-bottom: 120px;
}
.control-box ul {
  list-style: none;
  position: relative;    width: 82px;
  margin: 0 auto;
}
.control-box ul li {
  position: absolute;
  top:55px;
  cursor: pointer;
}
.prev {
  left: 0;background: #014898; padding: 10px 15px;
}
.next {
  right: 0;padding: 10px 15px; background: #fff;
}

.bigbox {
  overflow: hidden;margin: 0 auto;
  width: 1444px;
  height: auto;   
}
#switcher {
  height:auto;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
display:block;
transition:all .7s ease 0s;
width: 24%;
height: auto;
float: left;
background:#fff;box-shadow:0px 0px 3px 1px rgba(17,17,17,0.2);
margin-left:22px; margin-right:22px; border-bottom:2px solid #014898}
.exhibition-header {
 padding:2% 5% 0;
  background-color: #fff;
  text-align: left;
  font-weight: bold;
  color: #014898; /* 蓝色时间文字 */
  font-size: 20px;
}
.exhibition-image {
  width: 90%;
  height: auau;
  object-fit: cover; padding:0 5%;
}
.exhibition-image  img{ width: 100%;}
.shadow img{width: auto;vertical-align: middle; padding:0 5%;}
.box:hover img{
 opacity:0.8;

}
.box:hover span{color: #014898;font-weight:bold;}
.shadow {
width: 100%;
display:block;
height: auto;
text-decoration: none; line-height:60px;   
/* position: relative;
bottom: 3px; */
}
.box span{ color: #014898; font-size: 16px; padding:0  0 5%;}
.box .box_jj{text-align: left; height: 70px; line-height: 30px; margin: 0 auto; padding:0 5%;
transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

@media screen and  (max-width:1400px) {
.control-box {
    width: 100%;
    margin-left: auto;
    margin-right: auto;padding-bottom: 100px;
}
#switcher {
  height:auto;
}
.box {
display:block;
transition:all .7s ease 0s;
height: auto;
}
.control-box ul li { top: 40px;}
.bigbox {
  overflow: hidden;
  width: 96%;
  height:auto;
}
.shadow {width: 100%;}
  
}
@media screen and  (max-width:1200px) {
  .control-box {padding-bottom: 90px;}
.control-box ul li { top: 30px;}


}
@media screen and  (max-width:1000px) {
  .exhibition-header{font-size: 18px;}
.box .box_jj{text-align: left; height: 50px; line-height: 22px;font-size: 16px;} 
}
@media screen and  (max-width:800px) {
.control-box ul li { top: 20px;}
.control-box {
width: 100%;
margin-left: auto;
margin-right: auto; height: auto; padding-bottom: 80px;}
.bigbox {
  overflow: hidden;
  width: 100%;
  margin-left:0%;}
.shadow { line-height:40px; }  
.box span{ color: #014898; font-size: 15px; padding:0  0 5%;}
}