.help-body {
    width: 1090px;
    margin: 0 auto;
}
.content-center {
    margin: 40px 0 auto;
}

.help-menu-box{
    float: left;
}

.help-menu {
    position: relative;
    width: 270px;
    background-color: #f7f7f7;
    padding: 20px 0;
}

.help-menu ul {
    list-style: none;
}

.help-content {
    width: 810px;
    float: left;
    position: relative;
    padding-left: 30px;
    padding-bottom: 40px;
}

.help-content-time {
    font-size: 12px;
    color: #999;
    font-weight: 400;
    line-height: 24px;
}