.hm-page-about--index .about {
    display: flex;
    flex-direction: column;
    justify-items: center;
    position: relative;
    height: 42.85714rem;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: cover;
    overflow: hidden;
    box-sizing: border-box;
    color: #fff;
}
.hm-page-about--index .about .head {
    font-size: 3.42857rem;
    line-height: 1;
}
.hm-page-about--index .about .desc {
    width: 36%;
    margin-top: 2.14286rem;
    font-size: 1.28571rem;
    line-height: 2.28571rem;
}
.hm-page-about--index .about .ctrl {
    margin-top: 4.28571rem;
}

@media screen and (max-width: 768px) {
	.hm-page-about--index .about {
        text-align: center;
    }
    .hm-page-about--index .about .desc {
     	 width: auto;
  	}
}