.img-res{
	max-width: 100%;
	display: block;
}
.center-block{
	display: block;
	margin: 0 auto;
}

.main-product .topbanner{
	margin: 20px 0;
}

.main-product .content{
	padding: 0;
}
.main-product .content img{
	display: block;
	border-radius: 4px;

}
.main-product .peisongtitle{
	font-size: 36px;
	text-align: center;
	color: #4d4d4d;
	margin-top: 40px;
	margin-bottom: 30px;
}
.main-product .content .fonttop{
	font-size: 18px;
	color: #4d4d4d;
	margin: 15px;
}

.phonebanner {
	width: 100%;
}	
.phonebanner img{
	width: 100%;
	margin-top: 80px;
}
	
@media only screen and (max-width: 765px) {
	
	.mainbanner {
	display: none;
	}	
}

@media only screen and (min-width: 765px) {
	
	.phonebanner {
	
	display: none;
	}	
}

@media screen and (max-width: 480px){
	.main-product .peisongtitle{font-size: 24px;margin-top: 0;}
}