@media only screen and (min-width: 320px) and (max-width: 740px) {
       .aboutus img{width: 100%;}
	   .aboutus{margin-top: 0.2rem;}
        			}					
        @media only screen and (min-width: 741px) and (max-width:1200px) {	
          .aboutus img{width: 45.3%;}
          .aboutus .miaoshu{width: 54.7%;}
        			}
        @media only screen and (min-width: 1200px)  {	
		.banner img{margin-bottom: 3.7rem;}
       .henan {position: absolute;left: 0;right: 0;top: 2.6rem;}
	   .aboutus img{width: 45.3%;}
	   .aboutus .miaoshu{width: 54.7%;}
        			}	
		.banner{position: relative;}
		.banner img{width: 100%;}
		.henan .bx{background: rgba(81,144,50,0.95) url(../images/bga.png) no-repeat;padding: 0.6rem 0 0.3rem 0; border-radius: 20px 20px 0px 0px;}
		.henan h3{font-size: 0.36rem;color: #fff;margin-bottom: 0.1rem;padding: 0 1rem}
		.henan p{font-size: 0.2rem;color: #fff;text-align: justify;padding: 0 1rem}
		.aboutus .bx{display: flex;align-items:center;flex-wrap: wrap;}
		.aboutus .miaoshu h2{font-size: 0.36rem;color: #333;padding: 0 0.5rem;margin-bottom: 0.2rem;}
		.aboutus .miaoshu P{font-size: 0.18rem;color: #666;text-align: justify;padding: 0 0.5rem;}
		.factory{margin: 0.6rem 0;}
		.factory h2{font-size: 0.36rem;color: #333;margin-bottom: 0.18rem;}
		.factory img{width: 100%;margin-bottom: 0.8rem;}