var slidesPerGroup = 5;

    if (S3JS.isMobile()) {

        slidesPerGroup = 1; // 很奇怪, Mobile 版時, 若是設定 slidesPerGroup = 5 時, 剛進入時會看到最後一組商品.

    }

    //beauty-coin-exchange-loading

    var swiperPreview = new Swiper('.beauty-coin-exchange-swiper', {

        slidesPerView: 5,

        slidesPerColumn: 1,

        slidesPerGroup: slidesPerGroup,

        spaceBetween: 0,

        loop: true,

        breakpoints: {

            768: {

                slidesPerView: 4.3,

                spaceBetween: 10,

            }

        },

        nextButton: '.beauty-coin-next',

        prevButton: '.beauty-coin-prev',

    });