$(function () {
    if($(document).width < 415){

    }else{
        $(".products .item").hover(function () {
            $(this).find("p:nth-of-type(3)").addClass("selected");
            $(this).find("p:nth-of-type(3)").html("查看详情");
        },function () {
            $(this).find("p:nth-of-type(3)").removeClass("selected");
            $(this).find("p:nth-of-type(3)").html("进一步了解 >");
        })
    }

    scrollfun();
    $(window).scroll(function () {
        scrollfun();
    });


});

function scrollnumber(element, cssname, offset) {
    var a, b, c, d;
    d = $(element).offset().top;
    a = eval(d + offset);
    b = $(window).scrollTop();
    c = $(window).height();
    if (b + c > a) {
        $((element)).addClass((cssname));
    }
}
function scrollfun() {
    scrollnumber(".container", 'ani', 150);
}