.float{position:fixed;bottom:48px;right:20px;z-index:100;display:flex;align-items:center;gap:8px;padding:6px 14px;background:#25d366;border-radius:50px;box-shadow:1px 2px 4px rgba(0,0,0,.25);color:#fff;font-weight:600;font-size:14px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.float img{width:28px;height:28px;display:block}.float:hover{transform:scale(1.05);box-shadow:2px 4px 6px rgba(0,0,0,.3)}.float:active{transform:scale(.95)}@media (min-width:768px){.float{bottom:48px;right:40px;font-size:15px;padding:12px 18px}.float img{width:32px;height:32px}}