.banner img{height:664px;}
@media (max-width: 1600px){
.banner img{height:590px;}
}
@media (max-width: 1400px){
.banner img{height:540px;}
}
@media (max-width: 1200px){
.banner img{height:500px;}
}
@media (max-width: 1000px){
.banner img{height:480px;}
}
@media (max-width: 760px){
.banner img{height:160px;}
}