.gf-btn{ padding:10px 14px; border-radius:6px; cursor:pointer }
.gf-modal{ position:fixed; right:20px; bottom:80px; width:360px; box-shadow:0 4px 20px rgba(0,0,0,.2); background:#fff; z-index:9999; }
.gf-modal-inner{ padding:16px }
.gf-product{ border-top:1px solid #eee; padding:8px 0 }
.gf-error{ color:#c00 }