.banners-pc {
	clear: both;
	height: 500px;
}
.banners-pc .frame {
	height: 500px;
	background: no-repeat center center;
	background-size: cover;
}
.banners-mb {
	display: none;
	clear: both;
	height: 700px;
}
.banners-mb div {
	height: 100%;
}
.banners-mb .frame {
	height: 100%;
	background: no-repeat center center;
	background-size: cover;
}
 @media (max-width: 1024px) {
.banners-pc {
	display: none;
}
.banners-mb {
	display: block;
}
}
 @media (max-width: 1024px) {
.c_nav .list > li {
	width: 20%;
}
}
 @media (max-width: 750px) {
.c_nav .list > li {
	width: 33.33%;
}
}
.product {
	margin-top: 40px;
}