.stm-toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:9999;background:#111;color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;line-height:1.2;box-shadow:0 18px 55px rgb(0 0 0 / .25);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease}.stm-toast.is-show{opacity:1;transform:translateX(-50%) translateY(0)}.stm-toast.is-hide{opacity:0;transform:translateX(-50%) translateY(8px)}