.logo{
    position: relative;}
.logo70xq {
    position: absolute;width: 42%;height: 80%;top: 0;left:60%;display:block;}
@media screen and (max-width: 1200px){
.logo70xq {
   left:30%;}
}

@media screen and (max-width: 800px){
.header.fixed .logo, .header.fixed .so {
   line-height: 50px;}
}
.m-detailsx1 .txt{border:0px;padding-top:0px;}
.m-detailsx1 .txt a{color:#609;}
.m-detailsx1 .txt video{
    max-width:100%;
    height:auto;}
.erweima0204{float:right;}
@media screen and (max-width: 494px)
{
.erweima0204{float:inherit;}
}