.lianxi {

    background: #f7f7f7;
    padding: 120px 0 0;
}

.lianxi .container {
    display: flex;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
}

.lianxi_div {
    width: calc((100% - 100px) / 3);
    width: -moz-calc((100% - 100px) / 3);
    width: -webkit-calc((100% - 100px) / 3);
    margin-right: 50px;
    padding: 50px 90px;
    background-color: #fff;
    position: relative;
    margin-bottom: 50px;
    transition: .4s;
    overflow: hidden;
}

.lianxi_div p {
    transition: .4s;
}

.lianxi .lianxi_div:nth-child(3n) {
    margin-right: 0;
}

.lianxi .lianxi_div:nth-child(3) ~ .lianxi_div {
    margin-bottom: 100px;
}

.lianxi_div p:nth-child(1) {
    color: #333333;
    font-weight: bold;
    font-size: 20px;
    line-height: 1;
    position: relative;
    margin-bottom: 25px;
}

.lianxi_div p:nth-child(1):after {
    content: '';
    position: absolute;
    top: 50%;
    left: -50px;
    width: 30px;
    height: 2px;
    background: #c80000;
    transform: translateY(-50%);
    transition: .4s;
}

.lianxi_div p:nth-child(2) {
    font-size: 14px;
    line-height: 30px;
    color: #333333;
}

.lianxi_div i:nth-child(3) {
    position: absolute;
    right: 30px;
    bottom: 30px;
    color: #c80000;
    font-size: 30px;
    transition: .4s;
}

.my-map {
    width: 100%;
    height: 600px;
}

.amap-container {
    height: 100%;
}

.my-map .icon {
    background: url(http://lbs.amap.com/console/public/show/marker.png) no-repeat;
}

.my-map .icon-cir {
    height: 31px;
    width: 28px;
}

.my-map .icon-cir-red {
    background-position: -11px -5px;
}

.lianxi_div:hover {
    background: #c80000;
}

.lianxi_div:hover p {
    color: #fff;
}

.lianxi_div:hover p:after {
    background: #fff;
}

.lianxi_div:hover i {
    color: #fff;
    font-size: 100px;
    opacity: 0.5;
}