function mouwl() {
        if ($(window).width() > 1200) {
            $(".header1").mousewheel(function(event, delta, deltaX, deltaY){
                if(delta<0){
                   $(".part").addClass("showdiv");
                   $(".header1").removeClass("showdiv");
                }
            });
            
            $(".part").mousewheel(function(event, delta, deltaX, deltaY){
                if(delta>0 && $(".part").scrollTop()==0){
                    $(".header1").addClass("showdiv");
                    $(".part").removeClass("showdiv"); 
                }
            });
        } else {
            $(".header1").removeClass("showdiv");
        }
    }
    
    mouwl();
    $(window).on('resize', function(e) {
        mouwl();
    });
    /*
    $(".part").scroll(function(){
        console.log(1);
        $(".part1,.part2,.part3,.part4,.part5").each(function(index, element) {
            var e=$(this);
            var fix=parseInt(e.attr("fix"));
            if(!fix && fix!=0){fix=$(window).height()*6*0.1;}
            else{fix=$(window).height()*fix*0.1;}
            //var h=$(window).height()-$(e).height()>0?$(window).height()-$(e).height():0;
            console.log(fix)
            if($(window).scrollTop()>=$(e).offset().top-fix){
                if(!$(e).hasClass("showdiv")){
                    $(e).addClass("showdiv");
                    
                }
            }
            else{
            }
        });
    });
	function aClick() {
		$(".part").removeClass("showdiv");
		$(".header1").removeClass("showdiv");
		$(".part").animate({scrollTop: 0});
	}*/
	
//移动端导航	
    $(".selectBut").click(function() {
		$(".navm-box").toggleClass("act");
		$("body").toggleClass("navShow");
		if($(".selectBut").hasClass("hd1-aon1")) {
			$(this).removeClass("hd1-aon1");
			$(".masklayer").hide()
		} else {
			$(this).addClass("hd1-aon1");
			$(".masklayer").fadeIn("slow")
		}		
    })
	$(".nav-wrap .icon-jia").click(function(){
		if($(this).parent().find("dl").is(":hidden")){
			$(this).parent().find("dl").show(500);
			$(this).css("transform","rotate(180deg)")
		}else{
			$(this).parent().find("dl").hide(500);
			$(this).css("transform","rotate(0deg)")
			
		}
	});
		
//banner
	var mySwiper1 = new Swiper('.banner .swiper-container', {
		speed:1200,
		loop:true,
		effect:'fade',
		autoplay: {
		  delay: 5000,
		  disableOnInteraction: false,
		},
		pagination: {
		    el: '.banner .swiper-pagination',
		    clickable: true,
		}
	});
	
//工作动态
	var mySwiper2 = new Swiper('.news-scroll .swiper-container', {
		speed:1200,
		loop:true,
		autoplay: {
		  delay: 5000,
		  disableOnInteraction: false,
		},
		pagination: {
		    el: '.news-scroll .swiper-pagination',
		    clickable: true,
		}
	});
	
//学术活动
    var swiper3 = new Swiper('.p2list .swiper-container', {
    	loop:true,
        slidesPerView: 3,
		spaceBetween: 20,
    	autoplay: {
    	  delay: 3000,
    	  disableOnInteraction: false,
    	},
    	breakpoints: {
			980:{
				slidesPerView: 2,
				spaceBetween: 10,
			},
			660:{
				slidesPerView: 1,
			}
    	}
    });
	
//快捷导航
    var swiper3 = new Swiper('.p4list .swiper-container', {
    	loop:true,
        slidesPerView: 7,
    	autoplay: {
    	  delay: 3000,
    	  disableOnInteraction: false,
    	},
		navigation: {
		    prevEl: '.p4list .swiper-button-prev',
		    nextEl: '.p4list .swiper-button-next',
		},
    	breakpoints: {
			980:{
				slidesPerView: 6,
			},
			780:{
				slidesPerView: 5,
			},
			580:{
				slidesPerView: 4,
			},
			480:{
				slidesPerView: 3,
			},
			380:{
				slidesPerView: 2,
			}
    	}
    });