.group-product li.group-product_after{
    display: flex;
    align-items: center;
    &::after {
    content: "،";
    display: inline-block;
    margin: 0 5px;
    vertical-align: middle;
    }
    
}

.group-product li:last-child.group-product_after::after {
    display: none;
}