/* Nut goi / Zalo / Messenger noi */
.dhmk-fab{position:fixed;right:0;bottom:24px;z-index:9999;display:flex;flex-direction:column;padding-left:5px}
.dhmk-fab__btn{position:relative;display:block;width:54px;height:54px;margin:8px;border-radius:50%;animation:dhmk-pulse 2s infinite}
.dhmk-fab__btn img{display:block;width:100%;height:100%}
.dhmk-fab__btn::after{content:attr(data-tip);position:absolute;right:120%;top:50%;transform:translateY(-50%);padding:8px;border-radius:4px;background:linear-gradient(180deg,#1ec42d,#1da82a);color:#fff;font-size:14px;line-height:16px;white-space:nowrap;opacity:0;visibility:hidden;transition:opacity .3s}
.dhmk-fab__btn:hover::after{opacity:1;visibility:visible}
.dhmk-fab:hover .dhmk-fab__btn{box-shadow:0 5px 10px rgba(0,0,0,.15),0 4px 15px rgba(0,0,0,.13)}
@keyframes dhmk-pulse{
  0%{box-shadow:0 0 0 0 rgba(94,234,106,.5)}
  70%{box-shadow:0 0 0 20px rgba(94,234,106,0)}
  100%{box-shadow:0 0 0 0 rgba(94,234,106,0)}
}
@media(prefers-reduced-motion:reduce){.dhmk-fab__btn{animation:none}}