clickVideo($(".wel-banner .items .welbtns .wel-anniu"));
		var video = document.getElementById("pcvideo");
			function vdieoresize(){
			    var W1= $(window).width();
			    var H1= $(window).height();
			    if ((W1/H1)>(16/9)) {
			        $(".banner .videoboxs video").height(W1*9/16);
			    }else{
			        $(".banner .videoboxs video").width(H1*16/9);
			    }
			}
			vdieoresize();
			$(window).on("resize",function(){
			    vdieoresize();
			})

			var banner = new Swiper('.wel-banner .swiper-container',{
				prevButton:'.wel-banner .swiper-button-prev',
				nextButton:'.wel-banner .swiper-button-next',
				pagination : '.wel-banner .banbtns',
		        paginationClickable: true,
		        centeredSlides: true,
		        slidesPerView: 1,
		        spaceBetween: 0,
		        initialSlide:0,
		        speed:600,
		        autoplay : 6000,
		        // effect:"fade",
		        loop:true,
		        slideToClickedSlide:true,
		        autoplayDisableOnInteraction: false,
				lazyLoading : true,
				lazyLoadingInPrevNext : true,
				roundLengths : true,
				uniqueNavElements :false,
				paginationBulletRender: function (swiper, index, className) {
					return '<span class="' + className + '">' + 
					'<div class="ui-loop">'+ 
					'<svg viewBox="0 0 54 54">'+
					'<path class="path-loop-bg" d="M27,2A25,25,0,1,1,2,27,25,25,0,0,1,27,2"></path>'+
					'<path class="path-loop" d="M27,2A25,25,0,1,1,2,27,25,25,0,0,1,27,2" ></path>'
					+'</svg>'
					+'</div>'
					+ '</span>';
				},
	    		onTransitionEnd: function() {
	    			delay = 4000; 
	                anime({//用animejs画圈
	                	targets: '.path-loop',
	                	delay: 300,
	                	strokeDashoffset: function(el) {
	                		var svgLength = anime.setDashoffset(el);
	                		return [svgLength, 0];
	                	},
	                	easing: 'linear',
	                	duration: delay,
	                });
	            },
				onInit:function(swiper){
					$(".wel-banner .secwen").removeClass('animate');
					setTimeout(function(){
						$(".wel-banner .swiper-slide-active .secwen").addClass('animate');
					},100)
					var index = swiper.activeIndex + 1;
					var len = $(".wel-banner .swiper-slide").length;
					setTimeout(function(){
						if($(".wel-banner .swiper-slide-active").hasClass('videoboxs') && $(window).innerWidth() >= 1024){
							swiper.stopAutoplay();
							// video.load();
							video.play();
							video.addEventListener("ended",function () {
								swiper.slideNext();
							});
						}else{
							swiper.startAutoplay();
							swiper.params.autoplay = 6000;
						}
					},200);

				},
				onImagesReady:function(){
					$(".wel-banner .secwen").removeClass('animate');
					setTimeout(function(){
						$(".wel-banner .swiper-slide-active .secwen").addClass('animate');
					},100)
					setTimeout(function(){
						if($(".wel-banner .swiper-slide-active").hasClass('videoboxs') && $(window).innerWidth() >= 1024){
							swiper.stopAutoplay();
							// video.load();
							video.play();
							video.addEventListener("ended",function () {
								swiper.slideNext();
							});
						}else{
							swiper.startAutoplay();
							swiper.params.autoplay = 6000;
						}
					},200);
				},
				onSlideChangeStart: function(swiper){
					$(".wel-banner .secwen").removeClass('animate');
					$(".wel-banner .swiper-slide-active .secwen").addClass('animate');
					var index = swiper.activeIndex + 1;
					var len = $(".wel-banner .swiper-slide").length;
					setTimeout(function(){
						if($(".wel-banner .swiper-slide-active").hasClass('videoboxs') && $(window).innerWidth() >= 1024){
								swiper.stopAutoplay();
								// video.load();
								video.play();
								video.addEventListener("ended",function () {
								swiper.slideNext();
						});
						}else{
							swiper.startAutoplay();
							swiper.params.autoplay = 6000;
						}
						},200);

		    	},
			})