.back-to-top-enter-active[data-v-860418af],.back-to-top-leave-active[data-v-860418af]{transition:opacity .2s,transform .2s}.back-to-top-enter-from[data-v-860418af],.back-to-top-leave-to[data-v-860418af]{opacity:0;transform:translateY(8px)}