.swiper-container {
      width: 100%;
	  overflow:hidden;
      height: 100%;
    }
	.swiper-wrapper{
	  /* 通过改变animation-timing-function 制作弹性切换效果 */
		    transition: 2s cubic-bezier(0.68, -0.4, 0.27, 1.34) 0.2s;
		}
    .swiper-slide {
      text-align: center;
      font-size: 18px;
      background: #fff;

      /* Center slide text vertically */
      display: -webkit-box;
      display: -ms-flexbox;
      display: -webkit-flex;
      display: flex;
      -webkit-box-pack: center;
      -ms-flex-pack: center;
      -webkit-justify-content: center;
      justify-content: center;
      -webkit-box-align: center;
      -ms-flex-align: center;
      -webkit-align-items: center;
      align-items: center;
    }
.product,.about,.news{
    overflow: hidden;
    padding: 30px 0;
}
.product{
    background-color: white;
}
.about{
    background-color:white;
    margin: 0;
}
.news{
    background-color: #efeff1;
}
.product h3,.about h3,.news h3{
    text-align: center;
    font-weight: normal;
    color: #333;
    margin: 30px 0;
    font-size: 1.75rem;
}
.product h3 span,.about h3 span,.news h3 span{
    display: block;
}
.product h3 i,.about h3 i,.news h3 i{
    display: inline-block;
    width: 50px;
    height: 1px;
    border-bottom: 2px solid #ccc;
}
.product img{
	height:25vh;
}
.news a{
    text-decoration: none;
    color: #333;
    height: 150px;
    background-color: white;
}
.news .triangle{
    width: 0;
    height: 0;
    border-top: 75px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 75px solid #dfdfdf;
    border-left: 50px solid #dfdfdf;0
}
.news h4{
    font-size: 20px;
}
.news .date{
    width: 30%;
    height: 150px;
    background-color: #dfdfdf;
    display: table;
    text-align: center;
}
.news .date p{
    display: table-cell;
    vertical-align: middle;
}
.news .date b{
    width: 100%;
    vertical-align: middle;
    font-size: 36px;
}
.news .info{
    padding: 10px;
    box-sizing: border-box;
}
.about .img{
    margin-right: 40px;
    margin-bottom: 60px;
    height: 400px;
    box-shadow: 40px 40px #0d6efd;
}
.about h4{
    margin-bottom: 40px;
}
.about p{
    line-height: 2;
}