.scrollDiv {
        width: 100%;
        position: relative;
        background-color: #fdfaed;
        display: flex;
        justify-content: center;
        text-align: center;
        align-items: center;
        padding: 40px 0px;
    }
    
    .fentu {
        width: 100%;
        max-width: 1400px;
    }
    
    .fentuBg {
        width: 100%;
        height: 100%;
        position: absolute;
        z-index: 2;
    }
    
    .div-span {
        font-size: 36px;
        position: absolute;
        color: #fff;
        z-index: 3;
        width: 60vw;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    @media screen and (max-width: 1200px) {
        .div-span {
            font-size: 3.6vw;
        }
    }
@media screen and (max-width: 500px) {
        .div-span {
            font-size: 18px;
        }
    }