.about_center {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    margin: 30% 0;
    padding: 0 0.3rem;
    text-align: center;
}
.about_center img{
    width: 1.4rem;
    height: 1.4rem;
    margin-bottom: 0.4rem;
}
.about_center p{
    font-size: 0.34rem;
    margin-bottom: 0.18rem;
    font-weight: 400;
}
.about_center span {
    font-size: 0.3rem;
    color: #666;
    line-height: 0.42rem;
}