//大图
var bannerswiper = new Swiper('.banner-imgbox', {
    autoplay: {
        delay: 5000,
        disableOnInteraction: false,
    },
    loop: true,
    autoHeight: true,
    navigation: {
        nextEl: '.next',
        prevEl: '.prev',
    },
    slidesPerView: 1,
    pagination: {
        el: '.swiper-pagination',
        clickable: true,
    }
});

$(document).ready(function () {
    //导航on效果
    $(".nav>li>a").each(function () {
        if ($(this)[0].href="=" String(window.location)) {
            $(this).addClass("on").siblings().removeClass("on");
        }
    });

    // 导航下拉
    $(".nav>li").hover(function () {
        $(".nav>li>dl").slideUp(600);
        if ($(this).find("dl").is(":hidden")) {
            $(this).find("dl").slideDown(600)
        } else {
            $(this).find("dl").slideUp(600)
        }
    })

    //导航定位
    $(window).scroll(function () {
        var topheight = $(".topbox").outerHeight();
        var headerheight = $(".header").outerHeight();
        var scrollTopheight = topheight + headerheight;

        if ($(this).scrollTop() > scrollTopheight) {
            $("nav").css("position", "fixed");
        } else {
            $("nav").css("position", "relative");
        }
    })

    // 产品两层下拉
    $(".about_ul>li").click(function () {
        $(".about_ul>li>dl").slideUp(600);
        if ($(this).find("dl").is(":hidden")) {
            $(this).find("dl").slideDown(600)
        } else {
            $(this).find("dl").slideUp(600)
        }
    })

    //案例展示
    var caseswiper = new Swiper('.case-imgbox', {
        autoplay: {
            delay: 5000,
            disableOnInteraction: false,
        },//自动滚动
        loop: true, //循环滚动
        navigation: {
            nextEl: '.case-next',
            prevEl: '.case-prev',
        },//箭头
        slidesPerView: 4, //个数
        spaceBetween: 14, //间距
    });







});