.support-btn{position:fixed;bottom:70px;left:30px;width:50px;height:50px;z-index:99999;transition:transform 0.3s ease}.support-btn:hover{transform:scale(1.1)}.support-panel{width:300px;border-top-right-radius:10px;border-bottom-right-radius:10px;animation:slideInLeft 0.4s ease-out}@keyframes slideInLeft{from{transform:translateX(-100%);opacity:0}to{transform:translateX(0%);opacity:1}}