:root { --wafl-bg:#25D366; --wafl-fg:#ffffff; --wafl-bottom:22px; }
.wafl-wrap{position:fixed;z-index:99999;bottom:var(--wafl-bottom);}
.wafl-right{right:18px;}
.wafl-left{left:18px;}
.wafl-btn{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:999px;
  background:var(--wafl-bg);color:var(--wafl-fg);text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(2,12,27,.18);
  transition:transform .2s ease, box-shadow .2s ease;}
.wafl-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(2,12,27,.24)}
.wafl-icon{width:22px;height:22px;fill:currentColor}
.wafl-label{line-height:1;}
@media (max-width:480px){
  .wafl-label{font-size:14px}
  .wafl-btn{padding:12px 14px}
}