{if $offer.num>0} (добавленная строка)
<label {if $value@first}class="selected"{/if} for="mo_{$level.prop_id}_{$key}">{$value.val_str}</label>
{/if} (добавленная строка)

 {elseif $product->isOffersUse()}
    {* Простые комплектации *}
    <div class="product-offers">
        <span class="product-offers_pname">{$product.offer_caption|default:t('Комплектация')}</span>
        <div class="product-offers_values">
            {if count($product.offers.items)>5}
                {* Если комплектаций много, то отобразим их в виде списка *}
                <select class='select' name="offer">
                    {foreach from=$product.offers.items key=key item=offer name=offers}
                     {if $offer.num>0}{*EVENTUS*}
   <option value="{$key}" {if $offer.num <= 0}class="nullComplects"{/if}{if $smarty.foreach.offers.first}checked{/if} {if $check_quantity}data-num="{$offer.num}"{/if} {if $catalog_config.use_offer_unit}data-unit="{$offer->getUnit()->stitle}"{/if} data-change-cost='{ ".offerBarcode": "{$offer.barcode|default:$product.barcode}", ".myCost": "{$product->getCost(null, $key)}", ".lastPrice": "{$product->getOldCost($key)}"}' data-images='{$offer->getPhotosJson()}' data-offer-id='{$offer.id}' data-sticks='{$offer->getStickJson()}'>{$offer.title}</option>
                       {/if} {*EVENTUS*}
                    {/foreach}
                </select>
            {else}
                {* Если комплектаци мало, то отобразим их в виде радиокнопок *}
                {foreach $product.offers.items as $key => $offer}
                    <div class="product-offers_item">
 {if $offer.num>0}{*EVENTUS*}
                        <input value="{$key}" type="radio" name="offer" {if $offer@first}checked{/if} id="offer_{$key}" {if $check_quantity}data-num="{$offer.num}"{/if} {if $catalog_config.use_offer_unit}data-unit="{$offer->getUnit()->stitle}"{/if} data-change-cost='{ ".offerBarcode": "{$offer.barcode|default:$product.barcode}", ".myCost": "{$product->getCost(null, $key)}", ".lastPrice": "{$product->getOldCost($key)}"}' data-images='{$offer->getPhotosJson()}' data-offer-id='{$offer.id}' data-sticks='{$offer->getStickJson()}'>
                        <label {if $offer.num <= 0}class="nullComplects"{/if} for="offer_{$key}">{$offer.title}</label>
  {/if} {*EVENTUS*}
                    </div>
                {/foreach}
            {/if}
        </div>
    </div><br>
{/if}