.back-top[data-v-1e72109a]{position:fixed;z-index:99;transition:all .5s;width:48px;height:48px;-webkit-border-radius:24px;-moz-border-radius:24px;border-radius:24px;color:var(--text-bk);background:var(--bg-gy);box-shadow:var(--box-shadow);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;cursor:pointer}.back-top .backtop-icon[data-v-1e72109a]{margin:0 auto}