function roll() {
	var swiper = new Swiper('.dt', {
		pagination: {
			el: '.anchor',
			clickable: true,
			/*dynamicBullets: true,*/
		},
		autoplay: {
			delay: 4000,
			disableOnInteraction: false
		},
		speed: 1000,
		//		effect : 'fade',
		loop: true,
		breakpoints: {
			767: {
				speed: 500,
			},
		},
	});
	/*轮播大图*/
	//slidesPerColumnFill : 'row',

	var swiper = new Swiper('.case', {
		slidesPerColumn: 1,
		autoplay: {
			delay: 3000,
			disableOnInteraction: false
		},
		speed: 1000,
		//loop: true,
		/*navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },*/
		slidesPerView: 4,
		spaceBetween: 18,
		breakpoints: {
			991: {
				slidesPerView: 3,
				spaceBetween: 16,
			},
			767: {
				slidesPerView: 2,
				spaceBetween: 10,
			},
		},
	});

	var swiper = new Swiper('.product', {
		slidesPerColumn: 2,
		autoplay: {
			delay: 3000,
			disableOnInteraction: false
		},
		speed: 1000,
		//loop: true,
		slidesPerColumnFill: 'row',
		slidesPerView: 4,
		observer: true,
		observeParents: true,
		spaceBetween: 20,
		breakpoints: {
			991: {
				slidesPerView: 3,
				spaceBetween: 20,
			},
			767: {
				slidesPerView: 2,
				spaceBetween: 15,
			},
		},
	});


	var swiper = new Swiper('.xwctn', {
		slidesPerColumn: 1,
		autoplay: {
			delay: 3000,
			disableOnInteraction: false
		},
		speed: 1000,
		//loop: true,
		slidesPerColumnFill: 'row',
		slidesPerView: 3,
		spaceBetween: 42,
		breakpoints: {
			991: {
				slidesPerView: 3,
				spaceBetween: 24,
			},
			767: {
				slidesPerView: 1,
				spaceBetween: 10,
			},
		},
	});


}
roll();