/*banner_case*/
.banner_case{
    margin: 0 auto;
	position: relative;
	width: 100%;
	height: 400px;
	overflow: hidden;
	zoom: 1;
}
.banner_case img{
    width: 100%;
    height: 400px;
    display: block;
}

/*content*/
.channel_title p{
    font-size: 24px;
	font-weight: 600;
    color: #333333;
    padding: 50px 0;
}
.case_list{
    width: 1200px;
    display: inline-block;
    margin: 0 auto 24px;
}
.case_list .case_item{
    width: 400px;
    float: left;
    position: relative;
}
.case_list .case_item a{
    text-decoration: none;
}
.case_list .case_item .item_img{
    width: 100%;
    height: 300px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}
.case_list .case_item:hover .item_img{
    background-size: 120%;
    -webkit-transition: background-size .5s linear;
    transition: background-size .5s linear;
}
.case_list .case_item .item_title{
    padding: 24px;
}
.case_list .case_item .item_title span{
    font-size: 16px;
    line-height: 24px;
    color: #000000;
}
.case_list .case_item .item_title p{
    font-size: 14px;
    line-height: 24px;
    color: #939393;
    margin-bottom: 12px;
}
.case_list .case_item:hover{
    -moz-box-shadow:1px 1px 12px rgba(0,0,0,.2); 
    -webkit-box-shadow:1px 1px 12px rgba(0,0,0,.2); 
    box-shadow:1px 1px 12px rgba(0,0,0,.2);
    -webkit-transition: box-shadow .5s linear;
    transition: box-shadow .5s linear;
}