.back-to-top-btn[data-v-81966539]{align-items:center;background-color:var(--primary-color);border:none;border-radius:50%;bottom:80px;box-shadow:0 4px 20px #4a90e24d;color:#fff;cursor:pointer;display:flex;height:48px;justify-content:center;position:fixed;right:32px;transition:all .3s ease;width:48px;z-index:1000}.back-to-top-btn[data-v-81966539]:hover{background-color:var(--accent-color);box-shadow:0 8px 30px #58a6ff66;transform:translateY(-2px)}.back-to-top-btn[data-v-81966539]:active{transform:translateY(0)}.back-to-top-hidden[data-v-81966539]{opacity:0;pointer-events:none;transform:translateY(20px)}.back-to-top-visible[data-v-81966539]{opacity:1;pointer-events:auto;transform:translateY(0)}@media (max-width:768px){.back-to-top-btn[data-v-81966539]{bottom:60px;height:44px;right:20px;width:44px}}@media (max-width:480px){.back-to-top-btn[data-v-81966539]{bottom:40px;height:40px;right:16px;width:40px}}