.float-actions{position:fixed;right:18px;bottom:90px;z-index:999;display:flex;flex-direction:column;align-items:center;gap:12px;}.whatsapp img{width:70px;height:70px;cursor:pointer;}.back-to-top{width:42px;height:42px;background:#222;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;opacity:0;visibility:hidden;transition:all 0.3s ease;}.back-to-top:hover{background:#777;}.back-to-top.show{opacity:1;visibility:visible;}@media (max-width:1024px){.float-actions{right:16px;bottom:110px;}.whatsapp img{width:60px;height:60px;}}@media (max-width:768px){.float-actions{right:12px;bottom:120px;gap:10px;}.whatsapp img{width:55px;height:55px;}.back-to-top{width:38px;height:38px;font-size:16px;}}