        @media only screen and (min-width: 320px) and (max-width: 740px) {
        .product ul{flex-direction: column;}
        			}					
        @media only screen and (min-width: 741px) and (max-width:1200px) {	
          
        			}
        @media only screen and (min-width: 1200px)  {					
       
        			}	
		.swiper-container1 .swiper-button-next,.swiper-container1 .swiper-button-prev{width: 0.6rem;height: 0.6rem;line-height: 100%;
		text-align: center;background-image: none;color: #000;font-size: 0.5rem;background: #f5f5f5;}
		.swiper-container1 .swiper-button-prev{left: 14.2%;}
		.swiper-container1 .swiper-button-next{right: 14.2%;}
		.swiper-container .swiper-slide img{width: 100%;height: auto;display: block;}
		.product{padding: 0.63rem 0 0.91rem 0;}
		.product h2{font-size: 0.48rem;color: #222;text-align: center;font-weight: 100;}
		.product .heng{height: 4px;width: 57px;background: #b88c18;margin: 0.14rem auto 0.11rem auto;}
		.product p{font-size: 0.16rem;color: #888;width: 5rem;margin: 0 auto;text-align: center;}
		.product ul{display: flex;margin-top: 0.39rem;}
		.product ul li img{width: 100%;}
		.product ul li .title{font-size: 0.14rem;color: #5b5b5b;text-align: center;}
		.about{background: url(../images/abbg.jpg) no-repeat;background-size: cover;padding: 0.73rem 0;}
		.about h2{font-size: 0.48rem;color: #222;text-align: center;font-weight: 100;}
		.about .heng{height: 4px;width: 57px;background: #b88c18;margin: 0.14rem auto 0.11rem auto;}
		.about p{font-size: 0.18rem;color: #222222;}