.part1 {
  display: flex;
  padding-bottom: 50px;
  padding-top: 50px;
}
.part1 .left {
  width: 50%;
}
.part1 .right {
  width: 50%;
}
.part1 h3,
.part3 h3 {
  font-size: 40px;
}
.part1 h4,
.part3 h4 {
  font-size: 40px;
  font-weight: 400;
}

.part1 .right p,
.part3 .right p {
  font-size: 18px;
  line-height: 2;
}
.part1 .right p .dot,
.part3 .right p .dot {
  margin-right: 10px;
  display: inline-block;
  font-weight: bold;
  color: #e30f1f;
}
.part2 {
  padding-bottom: 50px;
  padding-top: 50px;
}
.part2 .bigimg {
  overflow: hidden;
}
.part2 .bigimg:hover img {
  transform: scale(1.1);
}

.part2 img {
  width: 100%;
  transition: all 1s;
}
.part3 {
  background-color: #f6f6f6;
  padding-bottom: 50px;
  padding-top: 50px;
}

.part3 .weap {
  display: flex;
}
.part3 .left {
  width: 50%;
  background: url(/images/hdbg1.png) right no-repeat;
  padding-right: 50px;
  padding-top: 50px;
}
.part3 .right {
  width: 50%;
  padding-left: 50px;
  padding-top: 50px;
}

.part3 .right .imgs {
  position: relative;
  padding-bottom: 30px;
}
.part3 .right .imgs img {
  width: 100%;
}
.part3 .left .img {
  margin-top: 140px;
}

.part3 .right .swiper-button-next,
.part3 .right .swiper-button-prev {
  width: 50px;
  height: 50px;
  background-color: #fff;
  border-radius: 100%;
  color: #666;
  top: 94%;
}
.part3 .right .swiper-button-next {
  right: 0;
}
.part3 .right .swiper-button-prev {
  right: 100px;
}

.part3 .right .swiper-button-next:after,
.part3 .right .swiper-button-prev:after {
  font-size: 24px;
}
.part3 .right .swiper-wrapper {
  padding: 50px 0;
}
.part3 .right .swiper-button-next:hover,
.part3 .right .swiper-button-prev:hover {
  background-color: #e30f1f;
  color: #fff;
}
.swiper-button-prev,
.swiper-rtl .swiper-button-next {
  left: auto;
}

.part4 {
  padding-bottom: 100px;
  padding-top: 100px;
}
.part4 .weap {
  display: flex;
}
.part4 .left {
  width: 50%;
}
.part4 .left img {
  width: 100%;
}

.part4 .right {
  width: 50%;
}

.part4 .right .box {
  border: 1px solid #e1e1e1;
  padding: 40px;
  width: 48%;
}
.part4 .right .box .line {
  height: 1px;
  background-color: #e1e1e1;
}
.part4 .right .box p {
  color: #666;
}
.part4 .boxs {
  display: flex;
  justify-content: space-between;
}

.part4 .boxs .tit span {
  font-size: 18px;
  color: #333;
  margin-left: 20px;
  font-weight: 500;
}

.part4 .right {
  padding-left: 50px;
}
.part4 .right .maintit {
  font-size: 40px;
  margin-bottom: 34px;
}
.part4 .right .intro {
  font-size: 18px;
  color: #666;
  margin-bottom: 50px;
}
.part4 .right .line {
  margin-top: 20px;
  margin-bottom: 20px;
}

.part3 .left .img img {
  width: 100%;
}

@media (max-width: 766px) {
  .part1 {
    display: block;
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .part2 {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .part3 {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .part4 {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .part1 .left {
    width: 100%;
  }
  .part1 .right {
    width: 100%;
    margin-top: 30px;
  }

  .part3 .weap {
    display: block;
  }
  .part3 .left {
    width: 100%;
    padding-top: 20px;
  }
  .part3 .right {
    width: 100%;
    padding-left: 0;
  }
  .part4 .weap {
    display: block;
  }
  .part4 .left {
    width: 100%;
  }
  .part4 .right {
    width: 100%;
    padding-left: 0;
  }
  .part4 .boxs {
    display: block;
  }
  .part4 .right .box {
    width: 100%;
    margin-bottom: 30px;
    padding: 30px;
  }
  .part1 h4,
  .part3 h4 {
    font-size: 20px;
  }
  .part1 h3,
  .part3 h3 {
    font-size: 28px;
  }
  .part1 .right p,
  .part3 .right p {
    font-size: 16px;
  }
  .part3 .left .img {
    margin-top: 20px;
  }
  .part3 .right .swiper-wrapper {
    padding: 30px 0;
  }
  .part3 .right .swiper-button-next,
  .part3 .right .swiper-button-prev {
    top: 91%;
  }
  .part4 .right .maintit {
    font-size: 28px;

    margin-top: 30px;
    margin-bottom: 20px;
  }
  .part4 .right .intro {
    font-size: 16px;
    margin-bottom: 30px;
  }
}
<!--ºÄʱ1764440072.0261Ãë-->