@media only screen and (max-width: 1365px) {

main .topTitle{
height: 280px;
background-image: url(../img/cover.png);
background-position: top center;
background-attachment: fixed;
background-size: 1300px;
}


main .topTitle .bw{
top: 280px;
height: 280px;
background-image: url(../img/cover.png);
background-repeat: no-repeat;
background-position: center -280px;
background-attachment: fixed;
background-size: 1300px;
}



main .topTitle > div{
top: 140px;
width: 966px;
}


main .content{
width: 966px;
font-size: 16px;
line-height: 30px;
padding: 60px 82px 60px 82px;
}

}