.containter-w {
    width: 900px;
    margin: 0 auto;
}

.items>.item {
    width: 300px;
}

.items>.item h4 {
    font-size: 25px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #333333;
}

.items>.item span {
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #333333;
    line-height: 26px;
}

.containter {
    background: #EEEEEE;
}