.body .head .head-box .top-title > ul > li:nth-of-type(2) {
  border-bottom: 5px solid #127bbf;
}
.body .page-con .about-con {
  font-size: 14px;
  color: #666666;
  line-height: 30px;
}
.body .page-con .about-con img {
  width: 100%;
  height: auto;
}
.body .page-con .about-history .history-con {
  overflow: hidden;
}
.body .page-con .about-history .history-con ul {
  margin: 0;
  transition: all 1.2s;
}
.body .page-con .about-history .history-con ul li {
  margin-right: 30px;
  float: left;
}
.body .page-con .about-history .history-con ul li .con-left {
  float: left;
  width: 50%;
  padding-right: 50px;
}
.body .page-con .about-history .history-con ul li .con-left span:nth-of-type(1) {
  font-size: 50px;
  color: #0072bc;
  display: block;
  margin-bottom: 20px;
}
.body .page-con .about-history .history-con ul li .con-left span:nth-of-type(2) {
  font-size: 18px;
  color: #505050;
}
.body .page-con .about-history .history-con ul li .con-right {
  float: right;
  width: 50%;
}
.body .page-con .about-history .history-con ul li .con-right img {
  width: 100%;
  height: auto;
}
.body .page-con .about-history .history-chese {
  position: relative;
  width: 100%;
  margin-top: 100px;
}
.body .page-con .about-history .history-chese .con-top {
  width: 90%;
  margin: 0 auto;
  overflow: hidden;
}
.body .page-con .about-history .history-chese .con-top ul {
  min-height: 100% !important;
  margin: 0;
  transition: all 1.2s;
}
.body .page-con .about-history .history-chese .con-top ul li {
  float: left;
  position: relative;
  cursor: pointer;
  width: 69px;
  height: 75px;
  font-size: 18px;
  color: #969696;
  text-align: center;
  margin-right: 14px;
}
.body .page-con .about-history .history-chese .con-top ul li span {
  font-size: 14px;
}
.body .page-con .about-history .history-chese .con-top ul li.active {
  color: #0072bc;
}
.body .page-con .about-history .history-chese .con-top ul li.active::after {
  content: '';
  position: absolute;
  border-style: solid;
  bottom: 0px;
  border-width: 0px 9px 12px 9px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-color: transparent  transparent  #0072bc transparent;
}
.body .page-con .about-history .history-chese .con-bottom {
  position: absolute;
  width: 100%;
  display: flex;
  top: 25px;
}
.body .page-con .about-history .history-chese .con-bottom span {
  font-size: 30px;
  color: #969696;
  cursor: pointer;
  z-index: 99;
}
.body .page-con .about-history .history-chese .con-bottom div:nth-of-type(1) {
  border-top: 1px solid #969696;
  flex-grow: 1;
  transform: translateY(50%);
}
.body .page-con .about-history .history-chese .con-bottom span:nth-of-type(1) {
  float: left;
}
.body .page-con .about-history .history-chese .con-bottom span:nth-of-type(2) {
  float: right;
}
.body .page-con .historys-con > div {
  margin-bottom: 20px;
  font-weight: bold;
  font-size: 20px;
}
.body .page-con .historys-con ul li {
  margin-bottom: 15px;
  display: flex;
}
.body .page-con .historys-con ul li span {
  line-height: 30px;
  font-size: 17px;
}
.body .page-con .historys-con ul li span:nth-of-type(1) {
  margin-right: 20px;
  width: 70px;
  flex-shrink: 0;
}
.body .page-con .about-list {
  width: 1200px;
  margin: 0 auto;
}
.body .page-con .about-list ul:nth-of-type(1) li {
  font-size: 16px;
  color: #323232;
}
.body .page-con .about-list ul {
  min-height: 50px;
  line-height: 50px;
  border-bottom: 1px solid #e5e5e5;
  margin: 0;
}
.body .page-con .about-list ul li {
  font-size: 14px;
  color: #787878;
  float: left;
  height: 100%;
}
.body .page-con .about-list ul li:nth-of-type(1) {
  width: 20%;
}
.body .page-con .about-list ul li:nth-of-type(2) {
  width: 27%;
}
.body .page-con .about-list ul li:nth-of-type(3) {
  width: 10%;
}
.body .page-con .about-list ul li:nth-of-type(4) {
  width: 40%;
}
.body .page-con .about-v ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.body .page-con .about-v ul li {
  width: 30%;
  margin-bottom: 40px;
  cursor: pointer;
}
.body .page-con .about-v ul li .video {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.body .page-con .about-v ul li .video img {
  width: 100%;
  height: auto;
}
.body .page-con .about-v ul li .video video {
  width: 100%;
}
.body .page-con .about-v ul li .video .bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 2;
  cursor: pointer;
}
.body .page-con .about-v ul li .video .bg img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
}
.body .page-con .about-v ul li .title {
  height: 50px;
  width: 100%;
  text-align: center;
  line-height: 50px;
}
.body .page-con .about-v ul li:hover .bg {
  background-color: rgba(0, 0, 0, 0.2);
}
@media (max-width: 1250px) {
  .body .page-con .about-list {
    width: 990px;
  }
}
@media (max-width: 1050px) {
  .body .page-con .about-list {
    width: 700px;
  }
  .body .page-con .about-list ul {
    display: inline-block;
    width: 100%;
  }
  .body .page-con .about-list ul li {
    font-size: 12px !important;
    padding-right: 10px;
  }
  .body .page-con .about-list ul:nth-of-type(1) li {
    padding: 0;
  }
  .body .page-con .about-list ul li:nth-of-type(4) {
    width: 35%;
  }
  .body .page-con .about-list ul li:nth-of-type(3) {
    width: 15%;
  }
}
@media (max-width: 600px) {
  .body .page-con .about-list {
    width: 90%;
  }
  .body .page-con .about-list ul li {
    width: 50% !important;
  }
  .body .page-con .about-history .history-con ul li .con-left {
    padding-right: 0;
    width: 100%;
    text-align: center;
  }
  .body .page-con .about-history .history-con ul li .con-right {
    width: 100%;
    margin-top: 30px;
  }
  .body .page-con .about-history .history-chese {
    margin-top: 50px;
  }
  .body .page-con .about-v ul li {
    width: 100%;
  }
}