.back-to-top[data-v-741db20c]{z-index:100;border:1px solid var(--border-subtle);background:var(--bg-secondary);width:44px;height:44px;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;font-size:20px;font-weight:700;transition:all .2s;display:flex;position:fixed;bottom:32px;right:32px;box-shadow:0 2px 12px #0000001a}.back-to-top[data-v-741db20c]:hover{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);box-shadow:0 4px 20px var(--accent-glow);transform:translateY(-2px)}.btt-fade-enter-active[data-v-741db20c],.btt-fade-leave-active[data-v-741db20c]{transition:opacity .3s,transform .3s}.btt-fade-enter-from[data-v-741db20c],.btt-fade-leave-to[data-v-741db20c]{opacity:0;transform:translateY(12px)}@media (width<=768px){.back-to-top[data-v-741db20c]{width:40px;height:40px;font-size:18px;bottom:24px;right:16px}}