body {
    font-size: 13px;
    background: #f4f6f8;
    font-family: 'Source Sans Pro','Helvetica Neue',Helvetica,'Microsoft Yahei',Arial,sans-serif;
}




.row {
    /*  margin-left: -15px;
    margin-right: -15px;*/
}

.box {
    background: #fff;
    border-radius: 3px;
    transition: all 0.5s ease;
    margin: 10px 0;
    padding-left: 30px;
    padding-right: 30px;
    padding-top: 50px;
    height: 300px;
    align-items: center;
}
.demo-box {
    background: #fff;
    border-radius: 3px;
    transition: all 0.5s ease;
    margin: 10px 0;
    padding-left: 30px;
    padding-right: 30px;
    padding-top: 20px;
    height: 300px;
    align-items: center;
}
.demo-box-top {
    width: 160px;
    height: 160px;
    padding: 10px;
    line-height: 100px;
    margin: 0 auto;
    vertical-align: middle;
}
.box-top {
    width: 120px;
    height: 120px;
    padding: 10px;
    line-height: 100px;
    margin: 0 auto;
    vertical-align: middle;
}
.demo-box-top > img {
    vertical-align: middle;
    width: 170px;
}
.box-top > img {
    vertical-align: middle;
    width: 100px;
}

.demo-box-title {
    font-size: 18px;
    padding: 15px 0;
    text-align: center;
    font-weight: bold;
}
.box-title {
    font-size: 18px;
    padding: 10px 0;
    text-align: center;
    font-weight: bold;
}

.box-info {
    margin-bottom: 20px;
    color: #919191;
    line-height: 22px;
    font-size: 14px;
}

.gongneng {
    position: relative;
    background-color: #46c37b;
    padding: 30px 0;
 
}




.anlie {
    max-width: 225px;
    padding: 0 20px;
    width: 100%;
    height: auto;
    display: block;
}