@media only screen and (max-width: 1199px) {
	#main{width: 100%;margin: 0;box-sizing: border-box;margin-bottom: 30px; overflow: hidden;margin-top: 98px;}	
	#main .main_left{width: 100%;float: none;box-sizing: border-box;margin: 0;}
	#main .main_left .aboutus .about{ width: 100%; overflow: hidden; margin: 0;}
	#main .main_left .aboutus .about ul li{ width: 100%; height: auto;}
	#main .main_left .aboutus .about p{float: left; text-align: left;}
	#main .main_left .aboutus .about img{ width: auto; max-width: 100%; height: auto; max-height: 100%;}

	#main .main_right{display: none;}
	#friend_lay{width: 100%;border-left: 0;border-right: 0;}
}