.swiper-hidden-group .swiper-slide{opacity:0;visibility:hidden;transition:opacity .5s}.swiper-hidden-group .swiper-slide-active{opacity:1;visibility:visible}.fix-down{width:7.5rem;position:fixed;z-index:99;bottom:0;padding:0;margin:0;transform:translateX(-50%);left:50%}.fix-down img{width:100%;display:block;margin:0}.fix-down button{width:2.2rem;height:.74rem;background:url(../img/button.png) center/contain no-repeat;position:absolute;right:.2rem;top:50%;margin-top:-.37rem;-webkit-animation:1s infinite myfirst;animation:1s infinite myfirst;border:none;outline:0;box-shadow:none;padding:0}@-webkit-keyframes myfirst{from,to{transform:scale(1)}50%{transform:scale(.9)}}@keyframes myfirst{from,to{transform:scale(1)}50%{transform:scale(.9)}}