#chatBox{z-index:9999;background:#fff;border-radius:12px;flex-direction:column;width:350px;height:550px;display:none;position:fixed;bottom:200px;right:25px}.chat-header{border-top-left-radius:12px;border-top-right-radius:12px;min-height:60px}#closeChat{box-shadow:none;outline:none}#chatMessages{background:#f8f9fa;flex:auto;overflow-y:auto}.msg{word-wrap:break-word;border-radius:12px;max-width:80%;margin-bottom:12px;padding:8px 12px;font-size:14px;line-height:1.5}.me{color:#fff;background:#007bff;border-bottom-left-radius:2px;margin-left:auto}.support{color:#333;background:#e9ecef;border-bottom-right-radius:2px;margin-right:auto}#chatFooter{border-top:1px solid #eef2f5;min-height:100px}#chatBtn{cursor:pointer;z-index:9999;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:75px;height:75px;padding:0;transition:transform .2s,box-shadow .2s;display:flex;position:fixed;bottom:100px;right:25px;box-shadow:0 6px 15px #00000040,0 0 10px #007bff66}#chatBtn:hover{transform:scale(1.08);box-shadow:0 8px 20px #0000004d,0 0 15px #007bff80}.chat-icon{object-fit:contain;border-radius:50%;width:100%;height:100%}.support-avatars{margin-left:5px}.support-avatar{object-fit:cover;border:2px solid #fff;border-radius:50%;width:32px;height:32px;margin-right:-10px;box-shadow:0 0 4px #00000026}#chatHint{color:#fff;opacity:0;z-index:9999;white-space:nowrap;background:#007bff;border-radius:10px;padding:8px 14px;font-size:13px;transition:all .4s;position:fixed;bottom:155px;right:25px;transform:translateY(10px);box-shadow:0 4px 12px #00000026}#chatHint.show{opacity:1;transform:translateY(0)}@keyframes chatShake{0%,to{transform:translate(0)}20%,60%{transform:translate(-3px,2px)}40%,80%{transform:translate(3px,-2px)}}.chat-shake{animation:.4s chatShake}@media (width<=576px){#chatBtn{width:65px;height:65px;bottom:30px;right:15px}#chatBox{width:100%;height:100%;border-radius:0!important;bottom:0!important;right:0!important}.chat-header{border-radius:0!important}#chatMessages{height:calc(100% - 165px)}#chatHint{font-size:12px;bottom:105px;right:15px}}.support-avatars{margin-right:10px}.support-avatar{object-fit:cover;border:2px solid #fff;border-radius:50%;width:40px;height:40px;margin-left:-8px;box-shadow:0 0 4px #0003}.support-avatar-img{object-fit:cover;border-radius:50%;width:32px;height:32px;margin-left:8px}