@media screen and (min-width:1500px){
body,html{font-size:12px}
.swiper-main-box{width:1300px;height:650px;position:absolute;left:50%;margin-left:-645px;top:50%;margin-top:-400px}
.bottom-enlish{width:1300px;position:absolute;bottom:44px;left:50%;margin-left:-650px}
}
@media screen and (max-width:1500px){
body,html{font-size:8px}
.swiper-main-box{width:1000px;height:500px;position:absolute;left:50%;margin-left:-500px;top:50%;margin-top:-250px}
.bottom-enlish{width:1000px;position:absolute;bottom:33px;left:50%;margin-left:-500px}
}