.mar {  margin: 20px auto;}
.title_main {
  text-align: center;
  max-height: 300px;
}
.title_main strong {
  font-size: 36px;
  color: #0370d5;
}


.zxbtn {
  display: block;
  width: 600px;
  height: 60px;
  line-height: 60px;
  background: #0370d5;
  color: #fff;
  text-align: center;
  border-radius: 10px;
  font-size: 20px;
}

.bz {
  width: 700px;
  padding: 10px 0;
  position: relative;
}
.bz img {
  width: 250px;
  height: 160px;
  position: absolute;
  top: 0;
}
.bz:nth-child(odd) img {left: 0;}
.bz:nth-child(even) img {right: 0;}
.bz p {
  border: 1px solid #ccc;
  padding: 20px;
  line-height: 1.8em;
  border-radius: 10px;
}
.bz p strong {font-size: 26px;}
.bz:nth-child(odd) p {padding-left: 350px;}
.bz:nth-child(even) p {padding-left: 70px;}

.jy {
  width: 700px;
  text-align: center;
}
.jy .swiper-pagination {
  position: relative;
  bottom: 0;
  border-bottom: 1px solid #ccc;
  margin-bottom: 20px;
}
.jy .swiper-pagination-bullet {
  width: 120px;
  height: 40px;
  border-radius: 0;
  margin: 0;
  background: transparent;

  opacity: 1;
  font-size: 24px;
}
.jy .swiper-pagination-bullet hr {
  width: 80px;
  border-bottom: 2px solid transparent;
  margin: 8px auto 0;
}
.jy .swiper-pagination-bullet-active hr{
  border-bottom: 2px solid #ff9000;
}

.video {
  width: 700px;
  height: 350px;
  overflow: hidden;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid #666;
}

.xz p {
  line-height: 1.5em;
  margin-top: 15px;
}
.wrap {width: 700px;}
.cooperative {
  color: #0370d5;
  text-align: center;
}
.cooperative strong {font-size: 42px;}