.head{
    background: #fff;
    height: 0.88rem;
    line-height: 0.88rem;
    text-align: center;
    font-size: 0.32rem;
    font-weight: 500;
    color: #3D3D3D;

}
.ysdesc{
    width: 6.92rem;
    font-size: 0.28rem;

    text-align: justify;
    line-height: 0.56rem;
    color: #333333;
    margin: 0.3rem auto;
    margin-bottom: 0;
}
.ystit{
    width: 6.92rem;
    margin: 0.3rem auto;
    margin-bottom: 0;
    font-size: 0.36rem;
    font-weight: bold;
    color: #3D3D3D;
}