.case216 .ico216 {
    background: url(../images/ico216.png) no-repeat;
    display: inline-block;
    vertical-align: middle;
}
.case216 .item216 .bg {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: url(../images/bj216.png) repeat 0 0;
    opacity: 0;
    filter: alpha(opacity=0);
    transition: all .5s;
}
.case216 .item216 .t1 {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 56px;
    line-height: 56px;
    background: url(../images/t216.png) repeat-x 0 0;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.4);
    color: #fff;
    transition: all .5s;
}
.case216 {
    width: 100%;
    overflow: hidden;
}
.case216 .item216 {
    width: 20%;
    float: left;
    text-align: center;
}
.case216 .item216 a {
    width: 100%;
    overflow: hidden;
    display: block;
    position: relative;
}
.case216 .item216 .img {
    width: 100%;
    padding-top: 112.66%;
    position: relative;
    overflow: hidden;
}
.case216 .item216 .img img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    min-height: 100%;
    display: block;
}
.case216 .item216 .txtcon {
    opacity: 0;
    filter: alpha(opacity=0);
    text-align: center;
    position: absolute;
    left: 50%;
    top: 80%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(0%, 0%);
    color: #fff;
    transition: all .5s;
}
.case216 .item216 .txtcon .t2 {
    width: 100%;
    font-size: 28px;
    font-weight: bold;
}
.case216 .item216 .txtcon span {
    font-size: 12px;
    margin: 5px 0 15px;
    display: block;
}
.case216 .item216 .txtcon s {
    width: 58px;
    height: 58px;
    display: block;
    margin: 0 auto;
    background-position: 0 -42px;
}
.case216 .item216 a:before {
    opacity: 0;
    width: 94%;
    height: 94%;
    position: absolute;
    display: block;
    border: 1px solid #fff;
    content: '';
    left: 3%;
    top: 3%;
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
    z-index: 11;
    filter: alpha(opacity=0);
    transition: all .5s;
}
.case216 .item216:hover .bg, .case216 .item216:hover .txtcon {
    opacity: 1;
    filter: alpha(opacity=100);
}
.case216 .item216:hover .txtcon {
    top: 50%;
}
.case216 .item216:hover .t1 {
    opacity: 0;
    filter: alpha(opacity=0);
}
.case216 .item216:hover a {
    color: #000;
}
.case216 .item216:hover a:before {
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
}