.footer-cols{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:32px 0;
}
.footer-cols h3{ font-size:16px; margin:0 0 12px; border-left:4px solid #D90000; padding-left:10px; }
.footer-cols ul{ list-style:none; padding:0; margin:0; }
.footer-cols li{ padding:4px 0; }
.footer-cols a{ color:#666; }
.footer-cols a:hover{ color:#D90000; }
.beian a{ color:#999; font-size:13px; }
@media(max-width:768px){
  .footer-cols{ grid-template-columns:1fr; gap:16px; }
}