.kakao-chat-button{position:fixed;bottom:2rem;right:2rem;z-index:999;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;filter:drop-shadow(0 4px 12px rgba(0,0,0,.15))}.kakao-chat-button:hover{transform:translateY(-4px) scale(1.05);filter:drop-shadow(0 6px 16px rgba(0,0,0,.2))}.kakao-chat-image{width:80px;height:60px;object-fit:contain}@media (max-width:768px){.kakao-chat-button{bottom:1.5rem;right:1.5rem}.kakao-chat-image{width:80px;height:56px}}@media (max-width:480px){.kakao-chat-button{bottom:1rem;right:1rem}.kakao-chat-image{width:80px;height:52px}}