/* 文化 */





@media screen and (max-width:1520px) {



    .main{ width:1300px;  position: relative;   }



}



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



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



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



   





}



@keyframes warnwap {



    0% {



        



        opacity:0.3;

     



    }

 



    50% {



       

        opacity:1;



    }



   

    100% {



      



        opacity:0.3;

       



    }



}