@media screen and (max-width:320px) {
.part1-banner2{width: 100%;height:100%;background-image:url("https://service.dulux.com.cn/wp-content/uploads/2019/09/mobile-chunling-banner-forest.jpg");background-repeat:no-repeat;background-position:center -100px;background-size: cover;position: relative;}
.part1-banner{width: 100%;height:100%;background-image:url("https://service.dulux.com.cn/wp-content/uploads/2019/09/mobile-chunling-banner-people.jpg");background-position:center -70px;background-size: cover;position: relative;}
#dzy .swiper-wrapper .swiper-slide>img{margin-top:56px}
}
@media screen and (min-width:321px) {
.part1-banner2{width: 100%;height:100%;background-image:url("https://service.dulux.com.cn/wp-content/uploads/2019/09/mobile-chunling-banner-forest.jpg");background-repeat:no-repeat;background-position:center -70px;background-size: cover;position: relative;}
.part1-banner{width: 100%;height:100%;background-image:url("https://service.dulux.com.cn/wp-content/uploads/2019/09/mobile-chunling-banner-people.jpg");background-repeat:no-repeat;background-position:center -70px;background-size: cover;position: relative;}

#dzy .swiper-wrapper .swiper-slide>img{margin-top:9px}
}