.advert-bg[data-v-2ddda118]{margin:0 auto;width:100%;height:100%}.advert-bg .box[data-v-2ddda118]{width:100%;margin:0 auto;height:calc(100vh - 1px);background-image:url(../img/advertH5-bg.19071391.jpg);background-repeat:no-repeat;background-size:100% 100%;position:relative}.advert-bg .btn-advert[data-v-2ddda118]{width:80%;height:.8rem;position:absolute;left:.45rem;right:.1rem;bottom:.45rem}