@media screen and (max-width:1640px) {
	.f_con {
		width: 1400px;
	}
	.f_item {
		padding: 0 20px;
	}
}
@media screen and (max-width:1440px) {
	.f_con {
		width: 1200px;
	}
	.ntitle a,.f_contact .f_ct1 {
		font-size: 14px;
	}
	.f_list ul li a ,.f_contact .txt p{
		font-size: 12px;
	}
	.f_item {
		padding: 0 16px;
	}
	.f_contact {
		margin-left: 40px;
	}
}