.lb-back-to-top[data-v-29aa7833]{--cyan:#00cded;--cyan-dim:#00cded26;--cyan-glow:#00cded66;--bg-card:#131921;--border:#ffffff0f;--border-accent:#00cded40;z-index:100;background:var(--bg-card);border:1px solid var(--border-accent);width:48px;height:48px;color:var(--cyan);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:background .3s,border-color .3s,transform .3s,box-shadow .3s;display:flex;position:fixed;bottom:32px;right:32px;box-shadow:0 8px 32px #0006}.lb-back-to-top[data-v-29aa7833]:hover{background:var(--cyan-dim);border-color:var(--cyan);box-shadow:0 12px 40px #00000080,0 0 20px var(--cyan-glow);transform:translateY(-4px)}.lb-back-to-top[data-v-29aa7833]:active{transform:translateY(-2px)}.lb-back-to-top svg[data-v-29aa7833]{transition:transform .2s}.lb-back-to-top:hover svg[data-v-29aa7833]{transform:translateY(-2px)}.fade-enter-active[data-v-29aa7833],.fade-leave-active[data-v-29aa7833]{transition:opacity .3s,transform .3s}.fade-enter-from[data-v-29aa7833],.fade-leave-to[data-v-29aa7833]{opacity:0;transform:translateY(16px)}@media (width<=768px){.lb-back-to-top[data-v-29aa7833]{width:44px;height:44px;bottom:24px;right:24px}.lb-back-to-top svg[data-v-29aa7833]{width:20px;height:20px}}@media (width<=480px){.lb-back-to-top[data-v-29aa7833]{width:40px;height:40px;bottom:16px;right:16px}}@media (prefers-reduced-motion:reduce){.lb-back-to-top[data-v-29aa7833]{transition:none}.fade-enter-active[data-v-29aa7833],.fade-leave-active[data-v-29aa7833]{transition:opacity .2s}.fade-enter-from[data-v-29aa7833],.fade-leave-to[data-v-29aa7833]{transform:none}}