.col-index-product .col-cont ul{width: 600px}
.col-index-product .col-cont ul li{width: 50%}
.col-index-product .col-cont ul li:nth-child(2n){width: 50%}


@media (max-width: 640px) {
  .col-index-product .col-cont ul{width: 100%}
  .col-index-product .col-cont ul li{width: 100% !important;padding-left: 0 !important;}
  
}