@media (min-width: 760px) and (max-width: 1600px) {

.logo_img{margin: 10px auto 0;height: 90px;background-size:220px auto;}
.main_img{padding-bottom: 0;}
.search{margin-bottom: 0;}
.yc_main{left: 27%;}
.search_input_con{height:29px;}
.search_button{height:39px;}
.item ul li img{width:122px;height:180px;}
}