@media screen and (max-width: 1280px) {
	.w {
		width: 100%;
	}
}

@media screen and (max-width: 1024px) {
	body .cover{
		position: relative;
		height: 180px;
	}
	.logo{
		position: absolute;
		left: 50%;
		transform: translate(-50%,-50%);
	}
	.logo img{
		width: 100%;
	}
	.search{
		position: absolute;
		top: 60%;
		left: 50%;
		transform: translate(-50%,-50%);
	}
}

@media screen and (max-width: 920px) {
	.search .s_input{
		width: 200px;
	}
	.search .b_input{
		width: 70px;
	}
	
}

@media screen and (max-width: 820px) {
	.m_ul li a div{
		font-size: 20px;
	}
	
	body .main .w{
		/* background-image: none; */
		background-color: white;
	}
}

@media screen and (max-width: 720px) {
	.search .s_input,
	.search .b_input{
		height: 30px;
	}
	.search .b_input{
		font-size: 14px;
	}
	
	/* 主体 */
	body .m_ul li{
		width: 45%;
	}
	.m_ul .m_li2{
		float: right;
	}
	.m_ul .m_li4{
		margin-bottom: 75px;
	}
	body .main .w{
		min-height: 100px;
	}

}

@media screen and (max-width: 540px) {
	.search .s_input{
		width: 220px;
	}
	.logo{
		width: 80%;
	}
	body .search{
		position: static;
		transform: translate(0,0);
		margin-top: 50px;
		margin-right: 20%;
	}
	
	body .m_ul li{
		width: 95%;
		float: left !important;
		margin: 0 0 24px 2.5% !important;
	}
	
}

@media screen and (max-width:450px) {
	body .cover{
		position: relative;
		height: 150px;
	}

	.search .b_input{
		width: 50px;
	}
	body .search{
		margin-top: 40px;
		margin-right: 15%;
	}

	m_ul li a div{
		font-size: 24px;
	}
}

@media screen and (max-width:375px) {

}

@media screen and (max-width: 360px) {}