.icon-zhuanxian:before{content:'';display: block;width: 40px;height: 40px;background-image: url(../images/icon-dengbao-40_40.png);margin: 0 auto}

.icon-zhuanxian01:before{background-position: 0 -40px}
.icon-zhuanxian02:before{background-position: -40px -40px}
.icon-zhuanxian03:before{background-position: -80px -40px}
.icon-zhuanxian04:before{background-position: -120px -40px}


.scene:after{content:'';display: table;clear: both;}

.section-typical{padding-bottom: 0}
.section-typical .section-body{background-color: #1e1f24}
.typical{width: 100%}
.typical-item{width: 25%;text-align: center;padding: 175px 0;cursor: pointer;position: relative;z-index: 2;transition: all .3s;background-position: center center;background-size: 100%}
.typical-item .title{color: #fff;margin-top: 10px}
.typical-item p{color: #fff;opacity: 0;transition: all .3s;padding:0 25px}
.typical-item:before{content:'';display: block;width: 100%;height: 100%;position: absolute;top: 0;left: 0;background-color: rgba(34,36,40,0.8);z-index: -1}
.typical-item:hover{background-size: 120%;padding: 160px 0;}
.typical-item:hover p{opacity: 1;margin-top: 30px;}