.topContent {
    height: 660px;
    background: #F6F6F6;
}

.topContent .layerContent {
    width: 1200px;
    height: 660px;
    margin: 0 auto;
    padding-top: 82px;
    box-sizing: border-box;
}

.topContent .layerContent h1 {
    height: 35px;
    font-size: 26px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    line-height: 30px;
    text-align: center;
    margin-bottom: 10px;
}

.topContent .layerContent .tetBg {
    width: 276px;
    height: 11px;
    display: block;
    margin: 0 auto 60px;
}

.topContent .imgText {
    display: flex;
    justify-content: space-between;
}

.topContent .imgText .layerBg {
    width: 550px;
    height: 350px;
}

.topContent .imgText .layerText {
    display: flex;
    flex-wrap: wrap;
    margin-left: 57px;
    align-items: self-start;
    margin-top: 50px;
    margin-bottom: 50px;
}

.topContent .imgText .layerText p {
    font-size: 16px;
    font-family: Source Han Sans CN;
    /* font-weight: 500; */
    color: #666666;
    line-height: 36px;
}

.layerList {
    width: 1200px;
    margin: 100px auto;
    padding: 0 100px 100px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
}

.layerList li {
    width: 216px;
    height: 320px;
}

.layerList li img {
    width: 216px;
    height: 320px;
}

.layerList li div {
    width: 216px;
    height: 100px;
    background: #F6F6F6;
    padding-top: 24px;
    box-sizing: border-box;
}

.layerList li h2 {
    font-size: 20px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #333333;
    margin-left: 30px;
    margin-bottom: 16px;
}

.layerList li p {
    margin-left: 30px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
}