.content .title {
    padding: 0 15px;
}
.content .pic {
    padding-top: 10px;
    background: url("../images/online_bg.png") right center/contain no-repeat;
}
.content .flex-box {
    margin-bottom: 22px;
}
.content .flex-box img {
    width: 50%;
    height: auto;
}