body{
position: relative;
}
.tjtbul li{
    width: 260px;
    float: left;
    margin: 15px;
    height: 165px;
    cursor: pointer;
}
.tjtbul li img{
    width: 240px;
    height: 145px;
}
.tjtbul  li  p{
    width: 80%;
    margin: 0 auto;
    display: block;
    height: 40px;
    line-height: 40px;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.wrapbox{
	width:100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.12);
	position: absolute;
	top: 0;
	left: 0;
	z-index: 999 !important;
}
.wrapbox img{
	display: block;
	margin: 260px auto;
	/* position:fixed; */
/* 	top:center; */
}
@media (max-width: 1200px) {
    .tjtbul  li{
        width: 22%;
        margin: 10px 1%;
    }
     .wrapbox img{
    	margin: 300px auto;
    }
}
@media (max-width: 767px) {
    .tjtbul  li{
        width: 48%;
    }
    .wrapbox img{
    	margin: 400px auto;
    }
}