.mhv-chat-dock,.mhv-chat-notice{display:none}
@media(max-width:768px){
 .mhv-chat-dock{position:fixed;right:12px;bottom:var(--mhv-chat-bottom,88px);z-index:990;display:flex;gap:6px;padding:6px;background:#fff;border-radius:28px;box-shadow:0 3px 14px #0003;max-width:calc(100vw - 24px)}
 .mhv-chat-dock a{display:flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border-radius:22px;color:#fff!important;text-decoration:none;font:600 13px/1.2 Arial,sans-serif;white-space:nowrap}
 .mhv-chat-dock .mhv-chat-messenger{background:#0866ff}.mhv-chat-dock .mhv-chat-zalo-button{background:#0068ff}
 .mhv-chat-dock a:focus-visible{outline:3px solid #222;outline-offset:2px}
 .mhv-chat-notice{display:block;position:fixed;left:12px;right:12px;bottom:calc(var(--mhv-chat-bottom,88px) + 66px);background:#202124;color:#fff;padding:12px;border-radius:10px;z-index:991;font:14px/1.5 Arial,sans-serif;box-shadow:0 2px 12px #0003}
 .mhv-chat-notice[hidden]{display:none}
 .mhv-chat-dock[hidden]{display:none}
}