text:    $(function() {
         $('#page').fullpage({
             sectionsColor: ['', '#006072', '#BE4E00', '#CF4A60', '#2A1F00', '#060600'],
             navigation: true,
             navigationColor: '#543300',
             afterLoad: function(anchorLink, index) {
                 //所有的JS应该放在fullpage的入场或者出场动画中
                 if (index != 1) {
                     $('.wrapper').css('display', 'block');
                     $(".bg-video").prop('muted', true);
                 }
                 if (index == 2) {
                     //window.alert('Page 2!');
                     $('.phone').addClass('animated fadeInLeft');
                     $('.girl').addClass('animated fadeInRight');
                     $('.man1').addClass('animated bounceInUp');
                     $('.house').addClass('animated bounceInUp');
                     $('.man2').addClass('animated bounceInUp');
                     $('.express').addClass('animated bounceIn');
                 }
                 if (index == 3) {
                     $('.phone2').addClass('animated fadeInRight');
                     $('.boy').addClass('animated fadeInLeft');
                     $('.man3').addClass('animated bounceInUp');
                     $('.man4').addClass('animated bounceInUp');
                     $('.man5').addClass('animated bounceInUp');
                     $('.surprise').addClass('animated bounceIn');
                 }
                 if (index == 4) {
                     $('.phone3').addClass('animated fadeInLeft');
                     $('.girl2').addClass('animated fadeInRight');
                     $('.man6').addClass('animated bounceInUp');
                     $('.man7').addClass('animated bounceInUp');
                     $('.man8').addClass('animated bounceInUp');
                     $('.photo').addClass('animated bounceIn');
                 }
                 if (index == 5) {
                     $('.phone4').addClass('animated fadeInRight');
                     $('.boy2').addClass('animated fadeInLeft');
                     $('.man9').addClass('animated bounceInUp');
                     $('.man10').addClass('animated bounceInUp');
                     $('.shop').addClass('animated bounceIn');
                 }
             },
             onLeave: function(index, direction) {
                 if (index == '2') {
                     $('.phone').removeClass('animated fadeInLeft');
                     $('.girl').removeClass('animated fadeInRight');
                     $('.man1').removeClass('animated bounceInUp');
                     $('.house').removeClass('animated bounceInUp');
                     $('.man2').removeClass('animated bounceInUp');
                     $('.express').removeClass('animated bounceIn');
                 }
                 if (index == '3') {
                     $('.phone2').removeClass('animated fadeInRight');
                     $('.boy').removeClass('animated fadeInLeft');
                     $('.man3').removeClass('animated bounceInUp');
                     $('.man4').removeClass('animated bounceInUp');
                     $('.man5').removeClass('animated bounceInUp');
                     $('.surprise').removeClass('animated bounceIn');
                 }
                 if (index == 4) {
                     $('.phone3').removeClass('animated fadeInLeft');
                     $('.girl2').removeClass('animated fadeInRight');
                     $('.man6').removeClass('animated bounceInUp');
                     $('.man7').removeClass('animated bounceInUp');
                     $('.man8').removeClass('animated bounceInUp');
                     $('.photo').removeClass('animated bounceIn');
                 }
                 if (index == 5) {
                     $('.phone4').removeClass('animated fadeInRight');
                     $('.boy2').removeClass('animated fadeInLeft');
                     $('.man9').removeClass('animated bounceInUp');
                     $('.man10').removeClass('animated bounceInUp');
                     $('.shop').removeClass('animated bounceIn');
                 }
             }
  
         });
     });
  
     // start-->第一屏
     //点击播放按钮后，销毁蒙版，开启视频声音
  
     $('.fa-play-circle-o').click(function() {
         //    window.alert('ok!');
         $('.wrapper').css('display', 'none');
         $(".bg-video").prop('muted', false);
  
     });
     // end-->第一屏