.lb-call-btn{display:none;position:fixed;bottom:20px;right:20px;z-index:9999;background-color:red;color:#fff;padding:14px 22px;border-radius:50px;font-size:16px;font-weight:700;text-decoration:none;box-shadow:0 4px 15px rgba(0,0,0,.3);letter-spacing:.5px;animation:lb-pulse 2s infinite}.lb-call-btn:hover{background-color:#c00;color:#fff;text-decoration:none}@keyframes lb-pulse{0%{box-shadow:0 0 0 0 rgba(255,0,0,.5)}70%{box-shadow:0 0 0 12px rgba(255,0,0,0)}100%{box-shadow:0 0 0 0 rgba(255,0,0,0)}}@media (max-width:768px){.lb-call-btn{display:flex;align-items:center;gap:8px}}