#wpf-floating { position: fixed; z-index:99999; }
#wpf-floating.bottom-right { right:20px; bottom:20px; }
#wpf-floating.bottom-left { left:20px; bottom:20px; }
#wpf-open-btn { background:#25D366; border-radius:50%; width:56px; height:56px; border:none; box-shadow:0 4px 12px rgba(0,0,0,.2); cursor:pointer; }
#wpf-open-btn img{ width:34px; height:34px; }
#wpf-popup { position:fixed; z-index:99998; right:20px; bottom:90px; width:320px; background:#fff; border-radius:8px; box-shadow:0 6px 24px rgba(0,0,0,.15); display:block; }
.wpf-hidden{ display:none; }
.wpf-popup-inner{ padding:12px; }
#wpf-popup-close{ float:right; border:none; background:transparent; font-size:20px; cursor:pointer; }