.product_banner{
	width: 100%;
	height: 380px;
	overflow: hidden;
	background: url(../image/contact.jpg) no-repeat center center;
	text-align: center;
	position: relative;
}
.product_banner h1{
	font-size: 195px;
	line-height: 310px;
	margin: 70px 0 0;
	color: rgba(0,0,0,0.14);
	font-family: "Roboto-Black_0";
}
.product_banner h2{
	width: 100%;
	line-height: 310px;
	position: absolute;
	top: 70px;
	font-size: 48px;
	color: #FFFFFF;
}

@media only screen and (max-width:767px ) {
	.product_banner{
		height: 280px;
		background-size: auto 100%;
	}
	.product_banner h1{
		font-size: 81px;
		line-height: 230px;
		margin: 50px 0 0;
		color: rgba(0,0,0,0.14);
		font-family: "Roboto-Black_0";
	}
	.product_banner h2{
		line-height: 230px;
		top: 50px;
		font-size: 36px;
	}
}
.product-nav-section{
    background-color: #f2f2f2;   
}
.product-nav-section .nav-item{
    padding: 20px 0;
    font-size: 16px;
    color: #858585;
    text-align: center;
    display: inline-block;
    width: 100%;
}
.product-nav-section .active{
    background-color: #da251d;
	color: #fff;
}
.product-list-section{
	padding: 27px 0;
	box-sizing: border-box;
	min-height: 450px;
}
.product-list-section .product-item{
	text-align: center;
	display: inline-block;
}
.product-list-section .product-item .img{ 
	border: 2px solid #fff;
	transition: all 0.5s;
	position: relative;
	margin:  0 8px;
}
.product-list-section .product-item:hover .img{
	border-color: #da251d;
}
.product-list-section .product-item .img img{
	width: 100%;
	height: 100%;
}
.product-list-section .product-item .name{
	padding: 19px 0;
	font-size: 20px;
	color: #363636;
	font-family: MicrosoftYaHei;
}
.product-list-section .product-item .img .product-brand{ 
	position: absolute;
	top: 10px;
	left: 10px;
	width: 60px;
}