.ktbsc-popup{position:fixed;z-index:99999;max-width:340px;padding:14px 16px;border-radius:16px;background:#111;color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.28);font-family:inherit}
.ktbsc-popup.top-left{top:16px;left:16px}
.ktbsc-popup.top-right{top:16px;right:16px}
.ktbsc-popup.bottom-left{bottom:16px;left:16px}
.ktbsc-popup.bottom-right{bottom:16px;right:16px}
.ktbsc-popup .close{position:absolute;inset:auto 10px 10px auto;cursor:pointer}