.banner {
    /* background-image: url(../img/introduce.png); */
    background-image: url(../img/page_top/22.jpg);
    width: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 500px;
    position: relative;
}

.banner h2 {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #FFFFFF;
    font-size: 4rem;
    text-align: center;
}

.banner p {
    position: absolute;
    left: 50%;
    top: 70%;
    transform: translate(-50%, -50%);
    color: #FFFFFF;
    font-size: 1.5rem;
    text-align: center;
}

.content-div {
    padding: 59px 0;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #666666;
    line-height: 36px;
}

.content-div p {
    text-indent: 2em;
    text-align: left;
}

.content-div .title {
    text-indent: 0 !important;
    font-weight: 800;
}