.section1 .wrap {
  padding: 250px 0 90px;
  width: 1360px;
  margin: 0 auto;
}
.section1 .wrap .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section1 .wrap .top .crumb {
  color: #666666;
  font-size: 16px;
}
.section1 .wrap .top .crumb a {
  color: #666666;
  transition: all 0.6s;
}
.section1 .wrap .top .crumb a:hover {
  color: #107FF6;
}
.section1 .wrap .top .return {
  width: 140px;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50px;
  border-radius: 25px;
  transition: all 0.6s;
}
.section1 .wrap .top .return .icon {
  margin-right: 10px;
  transition: all 0.6s;
  transform: rotate(180deg);
}
.section1 .wrap .top .return p {
  color: #666666;
  font-size: 18px;
}
.section1 .wrap .top .return:hover {
  background-color: #107FF6;
}
.section1 .wrap .top .return:hover .icon {
  filter: brightness(0) invert(1);
}
.section1 .wrap .top .return:hover p .fist:nth-child(2) {
  color: #fff;
}
.section1 .wrap .content .t {
  padding-bottom: 40px;
  border-bottom: 1px solid #AFB6C1;
}
.section1 .wrap .content .t .title {
  width: 1180px;
  margin: 70px auto 30px;
  text-align: center;
}
.section1 .wrap .content .t .title h3 {
  color: #1B7EE8;
  /* text-transform: uppercase; */
  font-size: 48px;
  line-height: 1.4;
}
.section1 .wrap .content .t .num {
  color: #999;
  font-size: 18px;
  text-align: center;
}
.section1 .wrap .content .b {
  padding: 60px 0 80px;
  border-bottom: 1px solid #AFB6C1;
}
.section1 .wrap .content .b p {
  color: #707070;
  font-size: 18px;
  line-height: 40px;
}
.section1 .wrap .content .b p img {
  margin: 60px 0;
}
.section1 .wrap .content .tab {
  display: flex;
  font-size: 18px;
  color: #111;
  margin-top: 50px;
  justify-content: space-between;
}
.section1 .wrap .content .tab .prev,
.section1 .wrap .content .tab .next {
  max-width: 49%;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.section1 .wrap .content .tab a {
  color: #111;
  transition: all 0.6s;
}
.section1 .wrap .content .tab a:hover {
  color: #107FF6;
}

.section1 .wrap .content .b p img{
  height: auto;
}
@media screen and (max-width: 1919px) {
.section1 .wrap{
padding: 13.0208333333vw 0px 4.6875vw;
 width: 70.8333333333vw;
}
.section1 .wrap .top .crumb{
font-size: 0.8333333333vw;
}
.section1 .wrap .top .return{
width: 7.2916666667vw;
 height: 2.6041666667vw;
 border-radius: 1.3020833333vw;
}
.section1 .wrap .top .return .icon{
margin-right: 0.5208333333vw;
width: 1.40625vw;
}
.section1 .wrap .top .return p{
font-size: 0.9375vw;
}
.section1 .wrap .content .t{
padding-bottom: 2.0833333333vw;
}
.section1 .wrap .content .t .title{
width: 61.4583333333vw;
 margin: 3.6458333333vw auto 1.5625vw;
}
.section1 .wrap .content .t .title h3{
font-size: 2.5vw;
}
.section1 .wrap .content .t .num{
font-size: 0.9375vw;
}
.section1 .wrap .content .b{
padding: 3.125vw 0px 4.1666666667vw;
}
.section1 .wrap .content .b p{
font-size: 0.9375vw;
 line-height: 2.0833333333vw;
}
.section1 .wrap .content .b p img{
margin: 3.125vw 0px;
}
.section1 .wrap .content .tab{
font-size: 0.9375vw;
 margin-top: 2.6041666667vw;
}

}
@media screen and (max-width: 1024px) {
  .section1 .wrap{
    padding: 120px 0 60px;
    width: 90vw;
  }
  .section1 .wrap .top .crumb{
    font-size: 14px;
  }
  .section1 .wrap .top .return{
    width: 120px;
    height: 40px;
    border-radius: 20px;
  }
  .section1 .wrap .top .return p{
    font-size: 14px;
  }
  .section1 .wrap .top .return .icon{
    width: 20px;
    margin-right: 10px;
  }
  .section1 .wrap .content .t .title h3{
    font-size: 24px;
  }
  .section1 .wrap .content .t .num{
    font-size: 14px;
  }
  .section1 .wrap .content .t .title{
    width: 100%;
    margin: 30px auto 20px;
  }
  .section1 .wrap .content .t{
    padding-bottom: 20px;
  }
  .section1 .wrap .content .b{
    padding: 40px 0;
  }
  .section1 .wrap .content .b p{
    font-size: 14px;
    line-height: 2;
  }
  .section1 .wrap .content .tab{
    font-size: 14px;
    flex-direction: column;
    margin-top: 20px;
    gap: 10px;
  }
  
  .section1 .wrap .content .tab .prev, .section1 .wrap .content .tab .next{
    width: 100%;
    max-width: 100%;
  }
  .section1 .wrap .content .b p img{
    margin: 20px 0;
  }
  
}
@media screen and (max-width: 767px) {
  .section1 .wrap .content .t .title h3 {
    font-size: 20px;
  }
  .section1 .wrap{
    padding-top: 110px;
  }
      /* .section1 .wrap .top{
      flex-direction: column;
      gap: 20px;
      align-items: start;
    } */
}