/* 文化 */


@media screen and (max-width:1440px) {
    .search-btn{ display: none;}
    .nav ul{ width:850px; margin-right: 0;}
    
}

@media screen and (max-width:1200px) {}

@media screen and (max-width:1000px) {}

@media screen and (max-width:750px) {

   

}