@charset "utf-8";.system {
    width: 1100px;
    margin: 0 auto;
    text-align: center;
    padding-top: 140px
}

.system img {
    text-align: center;
    width: 500px
}

.title h2 {
    color: #fff;
    font-size: 36px;
    letter-spacing: 4px;
    text-align: center;
    line-height: 120px
}

.title h4 {
    color: #fff;
    font-size: 18px;
    line-height: 38px;
    text-align: center
}