var time;
$(function() {
    scrollFun();
    $(window).scroll(scrollFun)
})

function menuClk(type, isClk = true) {
    if (isClk) time = +new Date();
    $('.menu-lists').find('.'+type).addClass('active').siblings().removeClass('active');

    if (isClk) {
        setTimeout(() => {
            let top = document.documentElement.scrollTop || document.body.scrollTop;
            let headerHei = $('.ys_hd_pc') && $('.ys_hd_pc').height() ? $('.ys_hd_pc').height() : 0;
            let ele_top = $('.iow-page').offset().top, ele_hei = $('.iow-page').height(), 
                menu_hei = $('.menu-lists').height() + 44*2;
            let ele = document.documentElement || document.body;
            let window_hei = $(window).height();
            if (ele_hei+headerHei - top < menu_hei && ele) ele.scrollTo({ top: ele_hei + ele_top - window_hei });
            if (isClk) time = +new Date();
        }, 0);
    }
}
function scrollFun() {
    let window_wid = $(window).width(), window_hei = $(window).height();
    if (window_wid < 1200) return;
    let headerHei = $('.ys_hd_pc') && $('.ys_hd_pc').height() ? $('.ys_hd_pc').height() : 0;
    if (headerHei) $('.module-anchor').css({top: -(headerHei - 40 > 0 ? headerHei - 40 : 0)+'px'})
    let top = document.documentElement.scrollTop || document.body.scrollTop;
    let ele_top = $('.iow-page').offset().top, ele_hei = $('.iow-page').height(), 
        menu_hei = $('.menu-lists').height() + 44*2;
    $('.menu-lists').css({'position': top >= ele_top - headerHei && ele_hei+ele_top-top >= menu_hei+headerHei ? 'fixed' : 'static', 'top': headerHei});
    if (headerHei && top >= ele_top - headerHei) $('.page-modules').css({'padding-top': (headerHei - 50 > 0 ? headerHei - 50 : 0)+'px'});
    if (+new Date() - time < 1000) return;
    var wst = $(window).scrollTop();
    let menus = ['all', 'gsxc', 'zhsw', 'ecgs', 'zhsc', 'wljl', 'zys', 'zhsl', 'yljy', 'hyzl'];
    for (i = 0; i < menus.length; i++) {
        if ($("#module-" + menus[i]).offset().top <= wst) {
            menuClk(menus[i], false);
        }
    }
}