.header .content .center .nav li a{
   padding: 0 10px;
    
}
.header .content .center{
    width: 80%;
}
.header .content .right .search .search-input{
    display: none;
}
.header .content .right .search .icon{
    right: -10px;
}
.foot_ul1{
    width:100%;
}


.contact_item1{
    width:70%;
}

@media screen and (max-width:1440px) {
    .header .content .center .nav li a{
        font-size: 14px;
       
    }
    .nav_tit2 a{
        margin: 0 10px;
    }
}

@media screen and (max-width:768px) {
    .contact_item1{
        width:100%;
    }
       .sliditem{
        height: 220px;
    }

}