.banner {
  overflow: hidden;
  position: relative;
}
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner .banner_txt {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  color: white;
  text-align: center;
  width: 992px;
}
.banner .banner_tit {
  font-weight: bold;
}
.banner .banner_des {
  font-weight: 500;
  margin-top: 22px;
}

.all {
  padding: 78px 0 133px;
}

.intro {
  padding: 78px 0 162px;
}
.intro .intro_img {
  text-align: center;
  margin-top: 78px;
}
.intro .intro_img img {
  max-width: 100%;
}

.list > div:nth-child(n+2) {
  margin-top: 200px;
}
.list .list_flx {
  margin-top: 80px;
  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;
}
.list .list_l {
  width: 41%;
}
.list .list_r {
  width: 52%;
  overflow: hidden;
}
.list .list_r .swiper-slide{
    display: flex;
    justify-content: center;
}
.point{
    display: flex;
    justify-content: center;
    margin-top: 20px;
}
.point span{
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 3px;
    background: white;
}
.list .list_r img {
  max-width: 100%;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  border-radius: 20px;
}
.list .list_r img:hover {
  /*-webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);*/
}
.list .list_tit {
  color: white;
  margin-bottom: 26px;
}
.list .rep_tit {
  color: white;
  line-height: 1.5;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.list .rep_tit::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
  background: white;
}
.list .rep_des {
  margin-top: 16px;
  color: #A6A6A6;
}
.list .list_repeat {
  margin-bottom: 36px;
}
.list .list_repeat:last-child {
  margin-bottom: 0;
}

@media screen and (max-width: 1600px) {
  .banner .banner_txt {
    width: 70%;
  }
  .all {
    padding: 4% 0 6.92%;
  }
  .intro .intro_img {
    margin-top: 5.41%;
  }
  .intro {
    padding:4.0625% 0 11.25%;
  }
  .list .list_flx {
    margin-top: 5.55%;
  }
  .list .rep_des {
    margin-top: 6px;
  }
  .list .list_repeat {
    margin-bottom: 25px;
  }
  .list > div:nth-child(n+2) {
    margin-top: 13.88%;
  }
}
@media screen and (max-width: 1100px) {
  .banner {
    margin-top: 60px;
  }
}
@media screen and (max-width: 700px) {
  .banner img {
    width: auto;
    height: 300px;
  }
  .banner .banner_txt {
    width: 90%;
  }
  .banner .banner_des {
    margin-top: 10px;
    font-size: 10px;
  }
  .all {
    padding: 40px 0;
  }
  .intro{
      padding: 0px 0 30px;
  }
  .intro .intro_img {
    margin-top: 25px;
  }
  .list .list_flx {
    margin-top: 25px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
  .list .list_l {
    width: 100%;
    margin-top: 25px;
  }
  .list .list_tit {
    margin-bottom: 15px;
  }
  .list > div:nth-child(n+2) {
    margin-top: 35px;
  }
    .list .list_r img{
      border-radius: 10px;
  }
  .list .list_r{
      width: 100%;
  }
}