let w = document.body.offsetwidth || document.body.clientwidth,
    h = window.innerheight || document.documentelement.clientheight || document.body.clientheight,
    _ = function (select) {
        return document.queryselector(select)
    },
    _$ = function (select) {
        return document.queryselectorall(select)
    },
    clickevent = (function () {
        if ('ontouchstart' in document.documentelement === true) {
            return 'touchstart';
        } else {
            return 'click';
        }
    })(),
    active = function (node, active) {
        return node.classlist.add(active); //添加类
    },
    inactive = function (node, active) { //移除类
        return node.classlist.remove(active);
    },
    getscrollbarwidth = function () { // 得到滚动条宽度
        const container = document.createelement('div');
        container.style.visibility = 'hidden';
        container.style.position = 'absolute';
        container.style.left = '-9999px';
        container.style.width = '100px';
        container.style.overflow = 'scroll';

        let fragment = document.createdocumentfragment();
        fragment.appendchild(container);
        document.body.appendchild(fragment);

        const containerwidth = container.offsetwidth;
        const inner = document.createelement('div');
        inner.style.width = '100%';

        let fragment1 = document.createdocumentfragment();
        fragment1.appendchild(inner);
        container.appendchild(fragment1);

        const innerwidth = inner.offsetwidth;
        container.parentnode.removechild(container);
        return containerwidth - innerwidth;
    },
    hasscrollbar = function() {
        return document.body.scrollheight > window.innerheight;
    },
    scrollmarginrighttruefun = function(arrays){
        array.prototype.foreach.call(arrays, function (item) {
            if(item){
                item.style.boxsizing = 'border-box';
                item.style.paddingright = getscrollbarwidth() + 'px';
            }
        });
    },
    scrollmarginrightfalsefun = function(arrays){
        array.prototype.foreach.call(arrays, function (item) {
            if(item){
                item.style.paddingright = '0';
            }
        });
    },
    scrollmarginrighttrue = function () { // 禁止滚动
        if ('ontouchstart' in document.documentelement === false && hasscrollbar()) {
            scrollmarginrighttruefun([_('html'),_('header'),_('.subnavhead .subnavbody')]);
            document.documentelement.style.overflowy = 'hidden';
        }
    },
    scrollmarginrightfalse = function () { // 开启滚动
        if ('ontouchstart' in document.documentelement === false && hasscrollbar()) {
            scrollmarginrightfalsefun([_('html'),_('header'),_('.subnavhead .subnavbody')]);
            document.documentelement.style.overflowy = 'auto';
        }
    },
    calculatedanage = function (min, max) {
        return math.max(math.floor(math.random() * max) + 1, min);
    },
    xmlhttp = function () { // 封装  xmlhttprequest
        let request = new xmlhttprequest(),
            _url = "";
        return {
            requestfun: function (method, url, data, success) {
                request.open(method, _url + url);
                if (method == 'get') {
                    request.send();
                } else {
                    request.setrequestheader('content-type', 'application/json');
                    request.send(data);
                }
                request.onload = function () {
                    if (this.status >= 200 && this.status < 400) {
                        success(request.responsetext)
                    } else {
                        console.log('error');
                    }
                };
            }
        }
    },
    debounce = function (func, delay) { // 防抖
        var timeout;
        return function () {
            cleartimeout(timeout);
            timeout = settimeout(function () {
                func.apply(this, arguments);
            }, delay);
        }
    };

const chin = (function () {
    const itemanimates = function () { 
        let itemanimates = _$(".itemanimates");
        for (let i = 0; i < itemanimates.length; i++) {
            let itemanimate = itemanimates[i].queryselectorall('.itemanimate'),
                delay = 0,
                delaycount = parseint(itemanimates[i].getattribute('delay'));
            if (!delaycount) {
                delaycount = 300;
            }
            for (let j = 0; j < itemanimate.length; j++) {
                if (itemanimates[i].getattribute('random') == '1') {
                    delay = math.random() * itemanimates[i].getattribute('randommax');
                } else {
                    delay += delaycount;
                }
                itemanimate[j].style.animationdelay = delay + "ms";
            }
        }
    };
    const newspapertable = function () { 
        array.prototype.foreach.call(_$('.newspaper table'), function (el) {
            let section = document.createelement('section');
            section.classname = 'tablebox';
           
            el.parentnode.replacechild(section, el);
            section.appendchild(el);

            // let fragment = document.createdocumentfragment();
            // fragment.appendchild(rootsection);
        });
    };
    const splitlist = function (splitlist, bool) {
        array.prototype.foreach.call(_$(splitlist), function (item) {
            let flag = false,
                israndom = bool,
                delays = parseint(item.getattribute('delay')),
                speeds = parseint(item.getattribute('speed')),
                arrays = item.innerhtml.replace(/<br>/g, "\n").replace(/<i>/g, "\\").replace(/<\/i>/g, "\t").replace(/&amp;/g, "&").split("");
            item.innerhtml = '';
            if (!delays) {
                delays = 200
            }
            if (!speeds) {
                speeds = 50
            }
            array.prototype.foreach.call(arrays, function (letter, i) {
                let span = document.createelement("span"),
                    br = document.createelement("br"),
                    random = 1;
                if (letter.indexof("\n") >= 0) {
                    let fragment = document.createdocumentfragment();
                    fragment.appendchild(br);
                    item.appendchild(fragment);
                    return
                }
                if (letter.indexof("\\") >= 0) {
                    flag = true;
                    return
                }
                if (letter.indexof("\t") >= 0) {
                    flag = false;
                    return
                }
                if (flag) {
                    span.classname = 'letters';
                }
                if (israndom) {
                    random = math.random();
                }
                delays += speeds;
                span.style.animationdelay = delays * random + 'ms';
                span.innerhtml = letter;

                let fragments = document.createdocumentfragment();
                fragments.appendchild(span);
                item.appendchild(fragments);
            });
        });
    };
    const haschild = function (item) {
        if (item) {
            array.prototype.foreach.call(item, function (slider) {
                if (slider.haschildnodes()) {
                    active(slider, 'haschildactive');
                }
            });
        }
    };
    const mobilemenu = function () {
        let menu = _('.mobilemenu_box'),
            nav = _('.mobilenav'),
            header = _('header');
        if (menu && nav) {
            nav.style.display = 'block';
            menu.addeventlistener(clickevent, function () {
                if (menu.classlist.contains('active')) {
                    inactive(menu, 'active');
                    inactive(nav, 'active');
                    inactive(header, 'moblienavactive');
                    scrollmarginrightfalse();
                } else {
                    active(menu, 'active');
                    active(nav, 'active');
                    active(header, 'moblienavactive');
                    scrollmarginrighttrue();
                }
            });

            if (_$('.mobilenavitem .list a')) {
                let link = _$('.mobilenavitem .list a');
                for (let i = 0; i < link.length; i++) {
                    link[i].addeventlistener('click', function () {
                        if (link[i].href.match('#')) {
                            inactive(menu, 'active');
                            inactive(nav, 'active');
                            inactive(header, 'moblienavactive');
                            scrollmarginrightfalse();
                        };
                    });
                };
            }
        }
    };
    const isautoheight = function (event, items, item, istrue) {
        let height = [],
            flag = istrue,
            nodefather;

        function publicif(index) {
            if (items[index].classlist.contains('active')) {
                item[index].style.height = height[index];
                items[index].classlist.add('active');
            }
        };

        function public(index) {
            for (let i = 0; i < item.length; i++) {
                nodefather[i] = items[i].parentnode;
                item[i].style.height = 0;
                items[i].classlist.remove('active');
                nodefather[i].classlist.remove('active');
            }
            item[index].style.height = height[index];
            items[index].classlist.add('active');
            nodefather.classlist.add('active');
        };
        for (let j = 0; j < item.length; j++) {
            item[j].style.height = 'auto';
            // console.log(getcomputedstyle(item[j], null)['height'])
            height.push(getcomputedstyle(item[j]).height);
            item[j].style.height = '0px';
        }
        if (event == 'mouseover') {
            for (let i = 0; i < items.length; i++) {
                items[i].index = i;
                publicif(i);
                items[i].addeventlistener(event, function () {
                    nodefather = items[this.index].parentnode;
                    public(this.index);
                });
                if (flag == true) {
                    items[i].addeventlistener('mouseout', function () {
                        item[this.index].style.height = 0;
                        items[this.index].classlist.remove('active');
                    });
                };
            };
        };
        if (event == 'click') {
            for (let i = 0; i < items.length; i++) {
                items[i].index = i;
                publicif(i);
                items[i].addeventlistener(event, function (e) {  
                    if (!!window.activexobject || "activexobject" in window){
           
                    }else{
                        if(item[i].haschildnodes()){
                            e.preventdefault();
                        }
                    }
                    nodefather = items[this.index].parentnode;
                    if (item[this.index].style.height == '0px') {
                        public(this.index);
                    } else {
                        item[this.index].style.height = 0;
                        items[this.index].classlist.remove('active');
                        nodefather.classlist.remove('active');
                    }
                });
            }
        };
    };
    const needvideo = function () {
        function need() {
            let root = document.body,
                rootsection = document.createelement('section'),
                rootdiv = document.createelement('div'),
                rootdom = document.createelement('div'),
                rootvideo = document.createelement('video'),
                rootremove = document.createelement('i');

            rootsection.classname = 'videobox';
            rootdiv.classname = 'bg';
            rootdom.classname = 'videodom';
            rootremove.classname = 'close';
            rootvideo.controls = true;
            rootvideo.loop = true;
            rootvideo.oncontextmenu = "return false";
            rootvideo.setattribute('x5-video-player-type', 'h5');
            rootvideo.setattribute('playsinline', 'true');
            rootvideo.setattribute('webkit-playsinline', 'true');
            rootvideo.setattribute('x5-video-player-fullscreen', 'true');
            rootvideo.setattribute('x-webkit-airplay', 'true');

            rootdom.appendchild(rootvideo);
            rootdom.appendchild(rootremove);

            rootsection.appendchild(rootdiv);
            rootsection.appendchild(rootdom);
            
            let fragment = document.createdocumentfragment();
            fragment.appendchild(rootsection);

            root.appendchild(fragment);
        };
        let needs = _$('.needvideo');
        if (needs.length > 0) {
            need();
            let videobox = _('.videobox'),
                videobg = _('.videobox .bg'),
                video = _('.videobox video'),
                videoicon = _('.videobox .close');
            

            for (let i = 0; i < needs.length; i++) {
                needs[i].addeventlistener('click', function () {
                    if(!needs[i].getattribute('data-src')){
                        return
                    }
                    video.src = needs[i].getattribute('data-src');
                    videoicon.innerhtml = needs[i].getattribute('data-icon');
                    active(videobox,'active');
                    video.play();
                    scrollmarginrighttrue();
                });

                function videofun(){
                    video.load();
                    inactive(videobox,'active');
                    scrollmarginrightfalse();
                };

                videobg.addeventlistener('click', videofun);
                videoicon.addeventlistener('click', videofun);
            }
        }
    };
    const needwechat = function () {
        function need() {
            let root = document.body,
                rootsection = document.createelement('section'),
                rootdiv = document.createelement('div'),
                rootp = document.createelement('p'),
                rootimg = document.createelement('img');
            rootsection.classname = 'wechat';

            rootsection.appendchild(rootdiv);
            rootdiv.appendchild(rootimg);
            rootdiv.appendchild(rootp);

            let fragment = document.createdocumentfragment();
            fragment.appendchild(rootsection);

            root.appendchild(fragment);
        };
        let needs = _$('.needwechat');
        if (needs.length > 0) {
            need();
            let wechat = _('.wechat'),
                wechatimg = _('.wechat img'),
                wechattext = _('.wechat p');
            for (let i = 0; i < needs.length; i++) {
                needs[i].addeventlistener(clickevent, function (e) {
                    e.preventdefault();
                    wechatimg.src = needs[i].getattribute('data-src');
                    wechattext.innertext = needs[i].getattribute('data-text');
                    active(wechat,'active');
                    scrollmarginrighttrue();
                });
                wechat.addeventlistener(clickevent, function () {
                    inactive(wechat,'active');
                    scrollmarginrightfalse();
                });
            }
        }
    };
    const popup = function () {
        function init() {
            let root = document.body,
                rootsection = document.createelement('section'),
                rootbg = document.createelement('div'),
                rootbox = document.createelement('div');
            rootsection.classname = 'popup';
            rootbg.classname = 'popupbg';
            rootbox.classname = 'popupbox';

            rootsection.appendchild(rootbg);
            rootsection.appendchild(rootbox);

            let fragment = document.createdocumentfragment();
            fragment.appendchild(rootsection);

            root.appendchild(fragment);
        }
        let need = _$('.xmlbox');
        if (need.length > 0) {
            init();
            array.prototype.foreach.call(need, function (items) {
                let item = items.queryselectorall('.xml');
                for (let i = 0; i < item.length; i++) {
                    item[i].addeventlistener('click', function () {
                        scrollmarginrighttrue();
                        active(_('.popup'),'active');
                        xmlhttp().requestfun(
                            'get',
                            item[i].getattribute('data-url'),
                            '',
                            function (res) {
                                if (res) {
                                    _('.popupbox').innerhtml = res;
                                }
                            }
                        )
                    });
                };
            });
          
            _('.popupbg').addeventlistener('click', function () {
                _('.popup').classlist.remove('active');
                scrollmarginrightfalse();
                if (_(".calendar-wrap")) {
                    document.body.removechild(_(".calendar-wrap"));
                }
            });
        }
    };
    const nodeobserver = function (node, fn) {
        let mutationobserver = window.mutationobserver || window.webkitmutationobserver || window.mozmutationobserver,
            target = node,
            observer = new mutationobserver(function (mutation) {
                mutation.foreach(function (mutation) {
                    if (mutation.type === 'childlist') {
                        fn();
                    } else {
                        return
                    }
                });
            }),
            config = {
                childlist: true, //子节点的变动
                // attributes : true,//属性的变动
                // characterdata : true,//节点内容或节点文本的变动
                // subtree : true,//所有后代节点的变动
                // attributeoldvalue : true,//表示观察attributes变动时，是否需要记录变动前的属性
                // characterdataoldvalue : true//表示观察characterdata变动时，是否需要记录变动前的值
            };
        observer.observe(target, config);
    };
    const bannerimg = function () {
        array.prototype.foreach.call(_$('.bannerimg .imgs'), function (slider) {
            let scrolly = window.scrolly || window.pageyoffset;
            slider.style.transform = 'translate3d(0,' + scrolly / 2.3 + 'px,0)';
        });
    };
    const bindraf = function (fn, throttle) {
        var isrunning;
        var that;
        var args;
        var run = function () {
            isrunning = false;
            fn.apply(that, args);
        };
        return function () {
            that = this;
            args = arguments;
            if (isrunning && throttle) {
                return;
            }
            isrunning = true;
            requestanimationframe(run);
        };
    };
    const onlyactive = function (item, itemactive) {
        for (let i = 0; i < item.length; i++) {
            item[i].index = i;
            item[i].addeventlistener('mouseover', function (e) {
                for (let i = 0; i < item.length; i++) {
                    item[i].classlist.remove('active');
                }
                item[this.index].classlist.add('active');
            });
            item[i].addeventlistener('mouseout', function (e) {
                for (let i = 0; i < item.length; i++) {
                    item[i].classlist.remove('active');
                }
                if (itemactive) {
                    itemactive.classlist.add('active');
                }
            });
        }
    };
    const mousecursorgradienttracking = function () {
        let btn = _('.mousegradient');
        btn.addeventlistener('mousemove', function (e) {
            let rect = e.target.getboundingclientrect();
            let x = (e.clientx - rect.left) / e.target.offsetwidth * 100;
            btn.style.setproperty('--x', x + '%');
        });
    };
    const headerscroll = function () {
        // let header = _('header');
        // if (w <= 1024) {
        //     active(header, 'scroll');
        // }else{
        //     if (header.classlist.contains('noscroll')) {
        //         active(header,'scroll')
        //     } else {
        //         if (window.pageyoffset > 0) {
        //             active(header, 'scroll');
        //         } else {
        //             inactive(header, 'scroll');
        //         }
        //     }
        // }
    };
    const swiperslider = function (itemclick, items, item, swiper, swipers) {
        for (let i = 0; i < itemclick.length; i++) {
            itemclick[0].classlist.add('active');
            itemclick[i].addeventlistener(clickevent, function () {
                for (let i = 0; i < itemclick.length; i++) {
                    itemclick[i].classlist.remove('active');
                }
                itemclick[i].classlist.add('active');
                updatesliders(i);
            });
        };

        function updatesliders(i) {
            let index = i;
            let arr = array.prototype.slice.call(item).filter(function (item) {
                return item.getattribute('data-index') == index;
            });
            for (let i = 0; i < item.length; i++) {
                items.appendchild(item[i]);
                items.removechild(item[i]);
            };
            arr.foreach(function (item) {
                items.appendchild(item);
                items.classlist.remove('active');
                settimeout(function () {
                    items.classlist.add('active');

                    swiper.update();
                    swiper.slideto(0, 0, true);
                }, 30);
            });
        };
        updatesliders(0);
    };
    const ifscroll = function (items, scrollleft) {
        let parentnode, nodeact;
        array.prototype.foreach.call(items, function (item) {
            if (item.classlist.contains('active')) {
                nodeact = item;
                parentnode = item.parentnode;
                if (!scrollleft) {
                    parentnode.scrollleft = nodeact.offsetleft;
                } else {
                    parentnode.scrolltop = nodeact.offsettop;
                }
            }
        });
    };
    const intersectionobserversimg = function (node) {
        const config = {
            rootmargin: '0px',
            threshold: 0,
        };
        let observer = new intersectionobserver(function (entries, self) {
            array.prototype.foreach.call(entries, function (entry) {
                if (entry.isintersecting) {
                    let img = entry.target;
                    let src = img.dataset.src;
                    if (src) {
                        img.src = src;
                        img.removeattribute('data-src');
                    }

                    // 解除观察
                    self.unobserve(entry.target);
                }
            });
        }, config)

        array.prototype.foreach.call(node, function (el) {
            observer.observe(el)
        });
    };
    const intersectionobserversnode = function (node, flag) {
        const config = {
            rootmargin: '0px',
            threshold: 0,
        };
        let observer = new intersectionobserver(function (entries, self) {
            array.prototype.foreach.call(entries, function (entry) {
                if (entry.isintersecting) {
                    entry.target.classlist.add(flag);

                    // 解除观察
                    self.unobserve(entry.target);
                }
            });
        }, config)

        array.prototype.foreach.call(node, function (el) {
            observer.observe(el)
        });
    };
    const pohtosliders = function () {
        if (!!window.activexobject || "activexobject" in window){
            array.prototype.foreach.call(_$('.photoslides'), function (item) {
                active(item,'ifie');
                return
            });
        }
        var parsecolor = function (hexstr) {
            return hexstr.length === 4 ? hexstr.substr(1).split('').map(function (s) {
                return 0x11 * parseint(s, 16);
            }) : [hexstr.substr(1, 2), hexstr.substr(3, 2), hexstr.substr(5, 2)].map(function (s) {
                return parseint(s, 16);
            })
        };
        var pad = function (s) {
            return (s.length === 1) ? '0' + s : s;
        };
        var gradientcolors = function (start, end, steps, gamma) {
            var i, j, ms, me, output = [],
                so = [];
            gamma = gamma || 1;
            var normalize = function (channel) {
                return math.pow(channel / 255, gamma);
            };
            start = parsecolor(start).map(normalize);
            end = parsecolor(end).map(normalize);
            for (i = 0; i < steps; i++) {
                ms = i / (steps - 1);
                me = 1 - ms;
                for (j = 0; j < 3; j++) {
                    so[j] = pad(math.round(math.pow(start[j] * me + end[j] * ms, 1 / gamma) * 255).tostring(16));
                }
                output.push('#' + so.join(''));
            }
            return output;
        };
        const nodeobserverslide = function (node, fn) {
            array.prototype.foreach.call(node, function (item) {
                item.style.setproperty('--bg', gradientcolors('#28a7e1', '#f4a153', 100)[calculatedanage(0, 99)]);
                let mutationobserver = window.mutationobserver || window.webkitmutationobserver || window.mozmutationobserver,
                    target = item,
                    observer = new mutationobserver(function (mutation) {
                        mutation.foreach(function (mutation) {
                            if (mutation.type === 'attributes') {
                                fn(mutation.target);
                            } else {
                                return
                            }
                        });
                    }),
                    config = {
                        attributes: true, //属性的变动
                    };
                observer.observe(target, config);
            });
        };
        nodeobserverslide(_$('.photoslides'), function (dom) {
            let photoflag = true;
            dom.addeventlistener('transitionend', function (e) {
                if (e.target === e.currenttarget && photoflag) {
                    dom.queryselector('img').style.opacity = '1';
                    dom.classlist.add('reset');
                }
            });
        });
    };
    const scrollnum = function() {
        let scrollnumitem = _$('.scrollnumitem'),
            scrollnumarr = [];
      
        if (!!window.activexobject || "activexobject" in window){
            return
        }
      
        // <span class="scrollnumitem" delay=".8">999</span>
      
        if (scrollnumitem.length > 0) {
            let fragment = document.createdocumentfragment();
            let svg = document.createelement('div');
            svg.style.display = 'none';
            svg.innerhtml = "<svg width='0' height='0'>" +
                                " <filter id='blur'> " +
                                    " <fegaussianblur in='sourcegraphic' stddeviation='0 3' /> " +
                                "</filter>" +
                            "</svg>"
            
            fragment.appendchild(svg);
            document.body.appendchild(fragment);
        }else{
            return
        };
      
        const splitnum =function() {
            for (let i = 0; i < scrollnumitem.length; i++) {
                scrollnumarr.push(scrollnumitem[i].innerhtml);
            };
      
            for (let i = 0; i < scrollnumarr.length; i++) {
                let newarr = [];
                for (let j = 0; j < scrollnumarr[i].length; j++) {
                    newarr.push(scrollnumarr[i][j]);
                }
                for (let k = 0; k < newarr.length; k++) {
                    if (!isnan(newarr[k])) {
                        let li = '';
                        for (let i = 0; i < 10; i++) {
                            if (i == newarr[k]) {
                                li += "<li class='active'>"+ i +"</li>"
                            } else {
                                li += "<li>" + i + "</li>"
                            }
                        }
                        newarr[k] = "<section class='scrollnumbox'><ul class='scrollnumul'> " + li + "</ul></section>"
                    }
                }
                scrollnumarr[i] = newarr;
            };
      
            for (let i = 0; i < scrollnumarr.length; i++) {
                scrollnumitem[i].innerhtml = scrollnumarr[i].join().replace(/,/g, '');
            };
        };
      
        const delaycom = function() {
            for (let i = 0; i < scrollnumitem.length; i++) {
                let scrollnumbox = scrollnumitem[i].queryselectorall('.scrollnumbox');
                for (let j = 0; j < scrollnumbox.length; j++) {
                    scrollnumbox[j].setattribute('delay', number(scrollnumitem[i].getattribute('delay')) + (j * 0.1));
                }
            };
        };
      
        const renderingnum = function(){
            let scrollnumbox = _$('.scrollnumbox'),
                scrollnumul = _$('.scrollnumul'),
                scrollnumliactive = _$('.scrollnumul li.active');
      
            for (let i = 0; i < scrollnumul.length; i++) {
      
                scrollnumbox[i].style.setproperty('--i', scrollnumliactive[i].innertext);
                scrollnumbox[i].style.setproperty('--delay', scrollnumbox[i].getattribute('delay'));
      
                settimeout(function(i){
                    scrollnumbox[i].style.width = getcomputedstyle(scrollnumliactive[i]).width;
                    scrollnumbox[i].style.height = getcomputedstyle(scrollnumliactive[i]).height;
                },30,i)

                const intersectionobserversnode = function (node) {
                    const config = {
                        rootmargin: '-10px',
                        threshold: 0,
                    };
                    let observer = new intersectionobserver(function(entries, self){
                        array.prototype.foreach.call(entries, function (entry) {
                            if (entry.isintersecting) {
                                if(equipmentclient() == 'ios'){
                                    entry.target.setattribute('style', "animation: move .3s linear infinite")
                                    settimeout(function() {
                                        entry.target.setattribute('style', "animation: bounce-in-down 1s  forwards")
                                    }, 1000);
                                }else{
                                    entry.target.setattribute('style', "animation: move .3s linear infinite,bounce-in-down 1s calc(var(--delay) * 1s) forwards;")
                                };
                                
                                self.unobserve(entry.target);
                            }
                        });
                    }, config)
                
                    array.prototype.foreach.call(node, function (el) {
                        observer.observe(el)
                    });
                };
                intersectionobserversnode(_$('.scrollnumul'));
            };
        };
      
        splitnum();
        delaycom();
        renderingnum();
    };
    const backtotop = function(node){
        if(node){
            node.addeventlistener(clickevent,function(){
                if (userbrowser.userbrowsertype() == 'wechat') {
                    document.body.scrolltop = 0;
                }else if (userbrowser.userbrowsertype() == 'uc') {
                    document.body.scrolltop = 0;
                }else{
                    window.scrollto({ 
                        top: 0, 
                        behavior: "smooth" 
                    }); 
                }
            });

        }
    };

    return {
        itemanimates: itemanimates, //对多个项目进行动画延迟处理
        newspapertable: newspapertable, // 对出现table标签进行父节点100%处理
        mobilemenu: mobilemenu, // 移动端按钮
        split: splitlist, // 分割文字  //true 开始随机速度
        haschild: haschild, // 判断元素是否有子节点
        isautoheight: isautoheight, // 用于'click'/'mouseover'事件时动画填充高度 true默认离开时高度归零
        needvideo: needvideo, // 弹出视频
        needwechat: needwechat, // 弹出图片
        popup: popup, // xmlhttprequest请求弹出层
        nodeobserver: nodeobserver, // 监听dom变化
        bannerimg: bannerimg, // 顶部banner滚动模拟定位
        bindraf: bindraf, // 回调 requestanimationframe
        onlyactive: onlyactive, // 仅允许出现一个激活块
        mousecursorgradienttracking: mousecursorgradienttracking, // 渐变色按钮根据鼠标移动
        headerscroll: headerscroll, // 滚动时增加导航样式
        swiperslider: swiperslider, // swiper配合分页
        ifscroll: ifscroll, // 自适应滚动距离
        intersectionobserversimg: intersectionobserversimg, //懒加载图片
        intersectionobserversnode: intersectionobserversnode, //dom节点进入可视区域执行
        pohtosliders: pohtosliders, //生成蒙版 图片出现效果
        scrollnum: scrollnum, //数字出现效果
        backtotop: backtotop  // 点击按钮网页回到顶部
    }
})();


chin.itemanimates();
chin.mobilemenu();
chin.split('.splitlist', true);
chin.haschild(_$('.mobilelinkitems'));
chin.needvideo();
chin.needwechat();
chin.bannerimg();

// chin.newspapertable();
// chin.intersectionobserversimg(_$('img[data-src]'));
// chin.popup();
// chin.scrollnum();
// chin.backtotop(_('.backtotop'));
// chin.swiperslider(
//     _$('item'),
//     _( '.swiper .swiper-wrapper'),
//     _$('.swiper .swiper-wrapper .swiper-slide'),
//     myswiper
// );
// chin.ifscroll(_$('.subnavbody  a'));
// chin.mousecursorgradienttracking();

chin.onlyactive(_$('.subnavbody .w1720 a'),_('.subnavbody .w1720 a.active')); 
chin.headerscroll();

if(w <= 1024){
    chin.isautoheight('click',_$('.mobilenavitem .head'),_$('.mobilenavitem .list'),'true')
}

// window.onload = function () {

// };

const yqlj = function(){
    let yqlj = _('.yqlj'),
        ul = _('.yqlj ul');

    if(!yqlj){return}
    
    yqlj.addeventlistener('click',function(e){
        active(yqlj,'active'); 

        if(_('.last')){
            _('.last').style.overflow = 'visible';
        }
    });
    document.addeventlistener(clickevent,function(e) {
        if(e.target == yqlj || yqlj.contains(e.target)){
        }else{
            inactive(yqlj,'active');

            if(_('.last')){
                _('.last').style.overflow = 'hidden';
            }
        }
    });
};


const fixednav = function(){
    if(!_('.subnavbody')) {return};
    let dom = _('.subnavbody'),
        domy = dom.getboundingclientrect().top,
        domh = dom.offsetheight,
        head = _('header'),
        headh = head.offsetheight,
        subnavhead = _('.subnavhead'),
        subnavheadh = subnavhead.offsetheight;

    if(w > 1024){
        if(domy <= 0){
            active(dom,'isfixed');
            dom.style.top = 0 + 'px';
            dom.style.bottom = 'auto';
            dom.style.zindex = 6;
        }
    
        if(window.scrolly  <= subnavheadh  - domh){
            inactive(dom,'isfixed');
            dom.style.top = 'auto';
            dom.style.bottom = '0';
            dom.style.zindex = 3;
        }
    }else{
        if(domy <= headh){
            active(dom,'isfixed');
            dom.style.top = headh + 'px';
            dom.style.bottom = 'auto';
            dom.style.zindex = 6;
        }
    
        if(window.scrolly  <= subnavheadh - headh - domh){
            inactive(dom,'isfixed');
            dom.style.top = 'auto';
            dom.style.bottom = '0';
            dom.style.zindex = 3;
        }
    }
};


window.onload = function(){
    chin.intersectionobserversnode(_$('.flags'), 'flag');
    chin.pohtosliders();
    fixednav();
};


window.addeventlistener('scroll', function () {
    chin.bindraf(chin.bannerimg());
    chin.headerscroll();
    fixednav();
});
window.addeventlistener('resize', function () {
    fixednav();
    w = document.body.offsetwidth || document.body.clientwidth;
    h = window.innerheight || document.documentelement.clientheight || document.body.clientheight;
});