.page-top-button{width:40px;height:40px;border-radius:20px;background-color:#fff;box-shadow:0 0 10px 0 rgba(0,0,0,.12);position:fixed;bottom:82px;z-index:1000;cursor:pointer;border:none;display:flex;align-items:center;justify-content:center;left:50%;transform:translateX(calc(512px - 100%))}@media(max-width:1024px){.page-top-button{left:auto;transform:none;right:16px}}