.st-whatsapp-float{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#22c55e;display:flex;align-items:center;justify-content:center;text-decoration:none;z-index:9999;box-shadow:0 8px 20px rgb(0 0 0 / .18);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;backface-visibility:hidden;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity 0.3s ease,visibility 0.3s ease,transform 0.3s ease}.st-whatsapp-float.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.st-whatsapp-float:hover{transform:translateY(-2px)}.st-whatsapp-float svg{width:26px;height:26px;display:block}@media (max-width:768px){.st-whatsapp-float{right:16px;bottom:16px;width:52px;height:52px}.st-whatsapp-float svg{width:24px;height:24px}}