.banner {
    height: 100px;
    overflow: hidden;
    position: relative;
}

    .banner img {
        margin: 0 auto 20px;
        display: block;
        width: 100%;
        height: auto;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
    }

.content-title {
    font-family: MicrosoftYaHei-Bold;
    font-size: 18px;
    color: #262626;
    letter-spacing: 0;
    text-align: center;
    margin: 20px 0 5px;
}

.content-sub-title {
    font-family: MicrosoftYaHei;
    font-size: 12px;
    color: #999999;
    letter-spacing: 0;
    text-align: center;
    margin: 0 0 20px;
}

.content {
    width: 1200px;
    margin: 50px auto;
}
.content img {

}