.header {
  position: absolute;
}

.main {
  margin: 0;
}

.main_1600 {
  width: 1516px;
  margin: 0 auto;
}

.tab_title {
  padding: 45px 0 60px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tab_title h2.title_header {
  color: #333333;
  font-size: 26px;
  font-weight: 600;
}

.tab_tit, .tab_con {
  float: left;
}

.tab_tit {
  width: 556px;
  height: 604px;
  position: relative;
  background: url('/Sites/Uploaded/UserUpLoad/20231106/20231106181618.png');
  background-size: cover;
}

.tab_tit {}

/* .tab_tit li.Li1.on {
  background: url('/Sites/Uploaded/UserUpLoad/20231106/20231106181933.png') no-repeat right center;
  margin-top: 80px;
  width: 313px;
  right: -58px;
  transition: all .5s ease-in-out;
} */


.tab_tit li.Li1, .tab_tit li.Li2 {
  background: url('/Sites/Uploaded/UserUpLoad/20231107/20231107101438.png') no-repeat right center;
  right: 20px;
  padding-right: 0;
  margin-top: 80px;
  width: 264px;
}

.tab_tit li.Li2 {
  background: url('/Sites/Uploaded/UserUpLoad/20231107/20231107101438.png') no-repeat right center;
  margin-top: 185px;
  right: 0;
}

/* .tab_tit li.Li2.on {
  width: 313px;
  right: -58px;
  background: url('/Sites/Uploaded/UserUpLoad/20231107/20231107103550.png') no-repeat right center;

} */
.tab_tit .Li1.on::after{
  content: "";
  background: url(/Sites/Uploaded/UserUpLoad/20231106/20231106181933.png);
}
.tab_tit .Li2.on::after {
  content: "";
  background: url(/Sites/Uploaded/UserUpLoad/20231107/20231107103550.png);
}

.tab_tit .Li1.on::after, .tab_tit .Li2.on::after{
  position: absolute;
  top: 0;
  z-index: -1;
  left: 0;
  width: 313px;
  height: 105px;
}

.tab_tit li {
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  text-align: center;
  height: 105px;
  line-height: 100px;
  position: absolute;
  z-index: 2;
  /* transition: all .5s ease-in-out; */
}

.tab_con {
  width: 960px;
  position: relative;
  background: url('/Sites/Uploaded/UserUpLoad/20231106/20231106180550.png') no-repeat;
  height: 610px;
  background-size: contain;
}

.tab_con .tab_con_item {
  opacity: 0;
  display: flex;
  position: absolute;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  transition: all .5s ease-in-out;
}

.tab_con .tab_con_item.on {
  opacity: 1;
  transition: all .5s ease-in-out;
}

.tab_con .tab_con_item img.img_tit {
  padding-top: 20px;
}
.img_tit.znjg{
  width: 100%;
}

.tab_con .tab_con_item img.img_con {
  /* width: 825px; */
  padding-top: 15px;
}

.tab_bg {
  position: relative;
  /* background:url('/Sites/Uploaded/UserUpLoad/20231107/20231107105044.png'); */
}

.tab_bg::after {
  content: '';
  position: absolute;
  background: url('/Sites/Uploaded/UserUpLoad/20231107/20231107105044.png');
  z-index: -1;
  width: 1488px;
  right: 0;
  top: 0;
  height: 100%;
}

@media only screen and (max-width: 1600px) {
  .main_1600 {
 width: 1450px;
  }

  .tab_tit {
 width: 500px;
  }

  .tab_con {
 width: 950px;
  }
}
@media screen and (min-width: 769px) and (max-width: 1280px) {
 .main {
 width: 100%;
}
 .main_1600 {
 width: 1000px;
  }
  .tab_tit {
 width: 320px;
 height: 433px;
}
  .tab_con {
 width: 679px;
}
}
@media only screen and (max-width: 768px) {
.tab_title{
  padding:15px 0;
}
  .tab_title h2.title_header{
 font-size:20px;
  }
  .main_1600{
 width:100%;
  }
  .tab_tit{
 display:none;
  }
  .tab_con{
 width:100%;
 height: auto;
 background: none;
  }
  .tab_con .tab_con_item{
 position:initial;
  }
  .tab_bg::after{
 display:none;
  }
}