.back-to-top[data-v-228a5bc6]{position:fixed;display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:#409eff;color:#fff;border-radius:50%;cursor:pointer;transition:all .3s;box-shadow:0 2px 12px rgba(0,0,0,.1);z-index:var(--z-page-top)}.back-to-top[data-v-228a5bc6]:hover{background:#66b1ff;transform:translateY(-2px)}.fade-enter-active[data-v-228a5bc6],.fade-leave-active[data-v-228a5bc6]{transition:opacity .3s}.fade-enter[data-v-228a5bc6],.fade-leave-to[data-v-228a5bc6]{opacity:0}.clearance[data-v-228a5bc6]{display:flex;align-items:center;justify-content:center;font-size:24px}