.crumb {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  background: #f5f7fa;
}
.crumb .crumb_flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.crumb .crumb_column {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.crumb .crumb_column a:hover{
    color: #13388d;
}
.crumb .crumb_column div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 78px;
  margin-right: 95px;
}
.crumb .crumb_column div:last-child {
  margin-right: 0;
}
.crumb .crumb_act {
  position: relative;
}
.crumb .crumb_act a {
  color: #13388d;
}
.crumb .crumb_act::after {
  content: "";
  display: block;
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: #13388d;
}
.crumb .crumb_nav {
  color: #777777;
}
.crumb .crumb_nav a {
  color: #777777;
}

.con {
  background: #f5f7fa;
  padding-top: 40px;
  padding-bottom: 77px;
}
.con .con_title {
  margin-bottom: 25px;
}
.con ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.con ul li {
  margin-right: 30px;
  width: calc((100% - 60px) / 3);
}
.con ul li:nth-child(3n) {
  margin-right: 0;
}
.con ul li:nth-child(n+4) {
  margin-top: 55px;
}
.con .img {
  position: relative;
  height: 0;
  padding-bottom: 56.5%;
  overflow: hidden;
  margin-bottom: 25px;
  display: block;
}
.con .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.con .img:hover img {
  -webkit-transform: scale(1.03);
      -ms-transform: scale(1.03);
          transform: scale(1.03);
}
.con a:hover {
  color: #13388d;
}
.con_more{
    color: #595a5a;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 80px auto 0;
    border:1px solid #d6d8da;
    height: 50px;
    width: 220px;
    cursor: pointer;
    transition: all 0.5s;
}
.con .con_more:hover{
    color: white!important;
    background: #13388d;
    border-color: #13388d;
}
@media screen and (max-width: 1600px) {
  .crumb .crumb_column div {
    height: 60px;
  }
  .con .img {
    margin-bottom: 10px;
  }
  .con ul li:nth-child(n+4) {
    margin-top: 30px;
  }
  .con ul li {
    margin-right: 20px;
    width: calc((100% - 40px) / 3);
  }
  .crumb .crumb_column div {
    margin-right: 60px;
  }
}
@media screen and (max-width: 768px){
    
}
@media screen and (max-width: 768px) {
  .con ul li {
    margin-right: 0px;
    width: 100%;
    margin-top: 20px !important;
  }
  .con ul li:first-child {
    margin-top: 0 !important;
  }
  .con {
    padding-top: 35px;
    padding-bottom: 40px;
  }
  .crumb .crumb_column div {
    margin-right: 30px;
  }
  .crumb_nav {
    display: none;
  }
  .con .con_title {
    margin-bottom: 20px;
  }
  .crumb .crumb_flx {
      
      flex-wrap: wrap;
  }
  .crumb .crumb_nav {
      
          width: 100%;
    height: 50px;
    line-height: 50px;
  }
  .con_more  {
          height: 40px;
          width: 120px;
          margin: 20px auto 0;
  }
}