#bann {
    height: 600px;
    color: #fff;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: 260px;
    position: relative;
}

#bann .t1 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
}

#bann .t2 {
    margin-bottom: 10px;
    text-align: center;
} 
.xwzx_fbl{ height:450px;}
.xwzx_fbl ul{ width:75%; margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    flex-wrap: wrap;
    justify-content: space-between;
    height: 100%;
}
.xwzx_fbl li{ float: left; list-style: none;
    width: 33.3%;
    background-color: #ffffff;
    position: relative;
}
.xwzx_fbl li .img{
    overflow: hidden;
}
.xwzx_fbl li img{
    width: 100%;
    transition:all 0.5s; -webkit-transition:all 0.5s; -moz-transition:all 0.5s; -o-transition:all 0.5s;
}
.xwzx_fbl li .xwwz{
    padding: 1.65rem 5.68% 2.3rem;
}
.xwzx_fbl li .xwwz h3{
    font-size: 1.9rem;
	font-weight: bold;
	line-height: 1.3333;
	color: #333333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.xwzx_fbr li:hover h3{
    color: #0070c0;
}
.xwzx_fbl li:hover .xwwz h3{
    color: #0070c0;
}
.xwzx_fbl li .xwwz h4{ height: 7rem;
    font-size: 16px;
	font-weight: normal;
	line-height: 1.714285;
	color: #666666;
    margin-top: 3.945%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.xwzx_fbl li .xwwz h5{
    font-size: 12px;
	font-weight: normal;
	line-height: 1;
	color: #999999;
    margin-top: 1.5rem;
}
.xwzx_fbl li:hover img{
    transform:scale(1.1); -webkit-transform:scale(1.1); -moz-transform:scale(1.1); -o-transform:scale(1.1);-ms-transform:scale(1.1);
}
.xwzx_fbl li .xwbtfl{
	background-image: linear-gradient(180deg, #58b525 0%, #2e946f 70%, #0473b9 100%), linear-gradient(#0070c0, #0070c0);
	background-blend-mode: normal, normal;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 9;
    font-size: 14px;
	line-height: 1;
	color: #ffffff;
    padding: .7rem 1.1rem;
}
/* 媒体查询：手机端样式 */
@media only screen and (max-width: 767px) {
    .xwwz {
        padding: 10px 20px;
    }
}
@media only screen and (max-width: 600px) {
    .xwzx_fbl li{ float: left;
    width: 100%;
    background-color: #ffffff;
    position: relative;
}
    
}