.back-to-top[data-v-82933f23]{background:var(--surface);width:44px;height:44px;color:var(--text-secondary);border:1px solid var(--border);box-shadow:var(--shadow-md);cursor:pointer;z-index:55;border-radius:50%;justify-content:center;align-items:center;transition:background .15s,color .15s,box-shadow .18s,transform .12s,border-color .15s;display:inline-flex;position:fixed;bottom:24px;right:24px}.back-to-top[data-v-82933f23]:hover{background:var(--primary);color:var(--text-on-primary);border-color:var(--primary);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.back-to-top[data-v-82933f23]:active{transform:translateY(0)}.rise-enter-active[data-v-82933f23],.rise-leave-active[data-v-82933f23]{transition:opacity .2s,transform .2s}.rise-enter-from[data-v-82933f23],.rise-leave-to[data-v-82933f23]{opacity:0;transform:translateY(10px)}@media (width<=600px){.back-to-top[data-v-82933f23]{width:40px;height:40px;bottom:16px;right:16px}}