.hxzz_zzct{
position: fixed;
top: 0;
left: 0;
display: none;
width: 100%;
height: 100%;
background: rgba(0,0,0,.7);
z-index: 999999999999999999;
}
.hxzz_zzct .zzct{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}
<div class="hxzz_zzct">
<div class="container">
<div class="zzct"></div>
</div>
</div>
$(document).ready(function (){
$('.hxzz_lb .hxzz_fm .hxzz_tp ').click(function (){
$('.hxzz_zzct').slideDown();
$('.zzct').empty().append($(this).html());
});
$('.hxzz_zzct').click(function (){
$(this).slideUp();
})
})