#aiChatBtn{
position:fixed;
bottom:20px;
right:20px;
background:#ff4fa3;
color:#fff;
padding:14px 18px;
border-radius:30px;
cursor:pointer;
z-index:9999;
}

#aiChatBox{
position:fixed;
bottom:80px;
right:20px;
width:320px;
height:420px;
background:#fff;
border-radius:12px;
box-shadow:0 6px 20px rgba(0,0,0,.25);
display:none;
flex-direction:column;
overflow:hidden;
z-index:9999;
}