#aisa2-toggle{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border:0;border-radius:50%;background:#111;color:#fff;font-size:25px;z-index:999999;box-shadow:0 8px 28px rgba(0,0,0,.25);cursor:pointer}
#aisa2-box{position:fixed;right:20px;bottom:88px;width:350px;max-width:calc(100vw - 30px);height:500px;background:#fff;border-radius:16px;box-shadow:0 12px 45px rgba(0,0,0,.22);z-index:999999;overflow:hidden;font-family:Arial,sans-serif}
.aisa2-head{height:52px;background:#111;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 15px}
.aisa2-head button{border:0;background:transparent;color:#fff;font-size:25px;cursor:pointer}
#aisa2-messages{height:350px;overflow:auto;padding:14px;background:#f6f7f9}
.aisa2-msg{padding:10px 12px;margin:8px 0;border-radius:12px;max-width:85%;line-height:1.45;white-space:pre-wrap}
.aisa2-msg.bot{background:#fff}
.aisa2-msg.user{background:#111;color:#fff;margin-left:auto}
.aisa2-quick{display:flex;gap:6px;padding:7px;overflow:auto;border-top:1px solid #eee}
.aisa2-quick button{border:1px solid #ddd;background:#fff;border-radius:18px;padding:7px 10px;white-space:nowrap;cursor:pointer}
.aisa2-input{display:flex;border-top:1px solid #ddd}
#aisa2-input{flex:1;border:0;padding:12px;outline:none}
#aisa2-send{border:0;background:#111;color:#fff;padding:0 15px;cursor:pointer}
@media(max-width:480px){#aisa2-box{right:10px;bottom:78px;width:calc(100vw - 20px);height:70vh}#aisa2-messages{height:calc(70vh - 150px)}}