.page-banner {
  margin-top: 122px;
  position: relative;
}

.page-banner img {
  height: 716px;
  width: 100%;
}

.banner-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1106px;
  color: #fff;
  font-size: 30px;
  text-align: center;
}

.banner-title {
  font-size: 48px;
  position: relative;
}

.banner-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -38px;
  width: 355px;
  height: 2px;
  transform: translateX(-50%);
  background-color: #e7e7e7;
}


.product-item {
  width: 100%;
  height: 615px;
}

.w {
  width: 1200px;
  margin: 0 auto;
}

.product-title {
  font-size: 48px;
  color: #3e6fb9;
  padding-top: 108px;
  box-sizing: border-box;
}

.product-list {
  margin-top: 40px;
  overflow: hidden;
  width: 536px;
}


.product-list li a {
  padding: 8px 6px;
  border: 2px solid #fff;
  float: left;
  font-size: 14px;
  color: #fff;
  margin-right: 16px;
  margin-bottom: 24px;
}

.product-list li a:hover{
  background-color: #3e6fb9;
  border: 2px solid #3e6fb9;
}

.product-btn{
  padding-top: 42px;
}

.product-btn a {
  
  box-sizing: border-box;
  border: 2px solid #fff;
  width: 100px;
  height: 35px;
  text-align: center;
  line-height: 35px;
  display: block;
}

.product-btn a:hover{
  background-color: #3e6fb9;
  border: 2px solid #3e6fb9;
  color: #fff !important;
}

.product-btn a {
  font-size: 14px;
  color: #fff;

}

.product-btn a:hover{
  color: #3e6fb9;
}

.product-wrap {
  position: relative;
  display: flex;

}

.product-right {
  position: absolute;

}



.product-item:nth-child(1) .product-right,.product-item:nth-child(3) .product-right {
  right: 0;
}

.product-item:nth-child(1) .product-right{
  top: 50%;
}

.product-item:nth-child(3) .product-right{
  top: 45%;
}


.product-item:nth-child(2) .product-wrap,.product-item:nth-child(4) .product-wrap {
  position: relative;

}

.product-item:nth-child(2) .product-wrap .product-left {
  position: absolute;
  right: -140px;
}

.product-item:nth-child(4) .product-wrap .product-left{
  position: absolute;
  right: -160px;
}

.product-one2 .product-wrap,
.product-one4 .product-wrap {
  justify-content: flex-end;
}

.product-one2 .product-right,
.product-one4 .product-right {
  left: 0;
  top: 54%;
}

.product-one3 .product-right {
  right: 0;
  top: 52%;
}

.product {
  /* padding-bottom: 150px; */
}




/* 自适应 */
@media screen and (max-width: 1000px) {
  .page-banner{
    margin-top: 0;
  }

  .page-banner img{
    height: 100%;
    width: 100%;
  }

  .banner-title{
    font-size: 26px;
    width: 300px;
    margin: 0 auto;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .banner-title::after{
    width: 155px;
  }

  .product-title{
    font-size: 26px;
    padding-left: 20px;
    box-sizing: border-box;
    padding-top: 20px;
  }

  .w{
    width: 100%;
  }

  .product-item{
    height: 100%;
  }

  .product-list{
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .product-right{
    display: none;
  }

  .product-btn{
    padding-left: 20px;
    padding-bottom: 20px;
    padding-top: 22px;
  }

  .product-item:nth-child(4),.product-item:nth-child(2){
    width: 100%;
    height: 400px;
  }


  .product-item:nth-child(2) .product-wrap .product-left,.product-item:nth-child(4) .product-wrap .product-left{
    left: 0;
    height: 100%;
  }

  .product-item:nth-child(4) .product-wrap .product-left .product-list{
    width: 80%;
  }
}


/* @media screen and (max-width: 500px) {
  .product-item:nth-child(4),.product-item:nth-child(2){
    width: 100%;
    height: 375px;
  }
} */