body{
	
	/*height: 1000px;*/
	width: 100%;
	max-width: 640px;
	min-width: 300px;
	margin: 0 auto;
	
	font-family: 微软雅黑;
}
.clear{
    clear: both;
}

.top{
	height:60px;
}
.swiper-container {
    width: 100%;
    height: 12rem;
    overflow: hidden;
} 
.swiper-slide img{
	width: 100%;
	display: block;
    min-height:12rem;

	
}

.dao{
    font-size: 13px;
    margin-bottom: 10px;
    text-align:center;
}
.dao li, span,ul{
                margin: 0;
                border: 0;
                padding: 0;
                font-style: normal;
                color: #000000;
                box-sizing: border-box;
                -moz-box-sizing:border-box; /* Firefox */
                -webkit-box-sizing:border-box; /* Safari */
            }
           
.dao ul{
                text-decoration: none;
                list-style-type: none;
            }
.video_list li{
                float: left;
                width: 23.5%;
                text-align: center;
                padding-top: 5%;
                margin-left: 1%;
                margin-top: 1%;
                position: relative;
            }
.video_list>li>div{
                position: absolute;
                left: 0;
                top: 0;
                width: 100%;
                height: 100%;
               
            }
 .video_list>li>div>span{
                display: inline-block;
                margin-top: 10%;
                -webkit-transform: translateY(-50%);
                transform: translateY(-50%);
            }
.video_list img{
                width: 60%;
                margin-left: 20%;
                display: block;
            }

.product_list li{
                float: left;
                width: 31.5%;
                text-align: center;
                padding-top: 5%;
                margin-left: 1%;
                margin-top: 1%;
                position: relative;
            }
.product_list>li>div{
                position: absolute;
                left: 0;
                top: 0;
                width: 100%;
                height: 100%;
               
            }
 .product_list>li>div>span{
                display: inline-block;
                margin-top: 50%;
                -webkit-transform: translateY(-50%);
                transform: translateY(-50%);
            }
.product_list img{
                width: 65%;
                margin-left: 15%;
                display: block;
            }