.kh-about-main{
    width: 100%;
    max-width: 1220px;
    margin: auto;
    padding-top: 14.6rem;
}
.kh-about-main-bg{
    left: -49.8rem;
    z-index: 1;
}
.kh-about{
    position: relative;
    overflow: hidden;
    z-index: 2;
    margin-top: -3.8rem;
}
.kh-about-title{
    display: block;
    padding-bottom: 3.5rem;
    border-bottom: 1px solid #DCDCDC;
}
.kh-about-title > dt {
    font-size: 2.8rem;
    font-weight: bold;
    line-height: 3.8rem;
    color: #797DFF;
    text-align: center;
}
.kh-about-title > dd{
    text-align: center;
    font-size: 4rem;
    line-height: 6.5rem;
    color: #333333;
    font-weight: bold;
}
.kh-about-content{
    overflow: hidden;
    width: 100%;
    padding: 0 1rem;
}
.kh-about-content > dl{
    width: 50%;
    float: left;
    padding: 1.8rem 5.8rem;
}
.kh-about-content > dl > dt{
    font-size: 2rem;
    color: #666666;
    line-height: 3.8rem;
    font-weight: bold;
}
.kh-about-content > dl > dd{
    font-size: 1.6rem;
    line-height: 3.2rem;
    color: #666666;
}

.kh-about-attr{
    width: 100%;
    overflow: hidden;
    padding: 6rem 1rem;
}
.kh-about-attr > dl{
    float: left;
    margin-right: 3.5%;
    margin-bottom: 4.2rem;
    width: 31%;
    text-align: center;
    background-color: #FFFFFF;
    box-shadow: 0 0.3rem 0.6rem rgba(1, 38, 102, 0.16);
    border-radius: 0.8rem;
    height: 26rem;
}
.kh-about-attr > dl:nth-of-type(3n){
    margin-right: 0;
}
.kh-about-attr > dl > dt{
    font-size: 5.9rem;
    font-weight: bold;
    line-height: 13.8rem;
    color: #797DFF;
}
.kh-about-attr > dl > dt > span{
    font-size: 2rem;
}
.kh-about-attr > dl > dd{
    font-size: 2rem;
    line-height: 4rem;
    color: #666666;
    padding: 0 2rem;
}

/*自适应调节*/
@media only screen and (max-width: 1700px){
    .kh-about-img{ right: 0;}
}
@media only screen and (max-width: 1560px){
}
@media only screen and (max-width: 1420px){
}
/*小于等于1200px时*/
@media only screen and (max-width: 1200px){
}
/*sm屏幕以下（小于等于576px时）*/
@media only screen and (max-width: 720px) {
    .kh-about-main{ padding-top: 2rem;}
    .kh-about{ margin-top: unset;}
    .kh-about-title{ padding-bottom: 2rem;}
    .kh-about-title > dt{ font-size: 1.8rem; line-height: 2.8rem;}
    .kh-about-title > dd{ font-size: 2.4rem; line-height: 4.8rem;}
    .kh-about-content{ padding: 0 2%;}
    .kh-about-content > dl{ width: 100%; padding: 1rem 2.4rem;}
    .kh-about-attr{ padding: 2rem 2%;}
    .kh-about-attr > dl{ width: 48%; margin-right: 4%; height: 20rem;}
    .kh-about-attr > dl:nth-of-type(3n){ margin-right: 4%;}
    .kh-about-attr > dl:nth-of-type(2n){ margin-right: 0;}
    .kh-about-attr > dl > dt{ font-size: 4.6rem; line-height: 4.6rem; padding-top: 4.6rem;}
    .kh-about-attr > dl > dd{ font-size: 1.4rem; line-height: 2.8rem;}
}
@media only screen and (max-width: 414px){
}
@media only screen and (max-width: 366px){
}
/*sm屏幕以上*/
@media only screen and (min-width: 576px) {
}