.duty-box {
    padding-top: 78px;
    padding-bottom: 69px;
}

.duty-l {
    width: 47%;
    flex-shrink: 0;
    -webkit-flex-shrink: 0;
    margin-right: 3vw;
}

.duty-box h3 {
    font-family: SourceHanSansSC-Bold, SourceHanSansSC-Bold;
    font-weight: normal;
    font-size: 38px;
    color: #30803A;
    margin-bottom: 30px;
}

.duty-l p {
    font-family: Source Han Sans SC, Source Han Sans SC;
    font-weight: 400;
    font-size: 22px;
    color: #30803A;
    line-height: 35px;
}

.duty-r {
    border-radius: 24px;
    overflow: hidden;
}

.duty-banner {
    width: 100%;
    /* height: 611px; */
    margin-bottom: 69px;
}

.duty-banner img {
    width: 100%;
height: auto;
}

.duty-case {

}

.case-item {
    align-items: stretch;
    margin-bottom: 72px;
}

.case-l {
    width: 41%;
    flex-shrink: 0;
    -webkit-flex-shrink: 0;
    border-radius: 28px;
    overflow: hidden;
    margin-right: 24px;
}

.case-l-re {
    margin-right: 0;
    margin-left: 24px;
}

.case-l .img-box {
    height: 100%;
}

.case-l img {
    height: 100%;
    object-fit: cover;
}

.case-r h5 {
    font-family: SourceHanSansSC-Bold, SourceHanSansSC-Bold;
font-weight: normal;
font-size: 34px;
color: #30803A;
line-height: 33px;
margin-bottom: 12px;
}
.case-r{
    box-shadow: 1px 2px 6px 1px rgba(0,0,0,0.22);
border-radius: 36px 36px 36px 36px;
padding: 25px 37px;
}
.case-r p{
    font-family: SourceHanSansSC-Regular, SourceHanSansSC-Regular;
font-weight: normal;
font-size: 20px;
color: #30803A;
line-height: 30px;
text-indent: 2em;
}

@media screen and (max-width: 768px) {
    .duty-box {
    padding-top: 0.61rem;
    padding-bottom:0.61rem;
}
  .duty-box .flex{
    flex-direction: column;
  }
.duty-l {
    width:100%;
    margin-right: unset;
    margin-bottom: 0.3rem;
}

.duty-box h3 {
  font-size: 0.38rem;
    margin-bottom: 0.32rem;
    font-weight: bold;
}

.duty-l p {
font-size: 0.3rem;
line-height: 0.55rem;
}

.duty-r {
    border-radius: 0;
}

.duty-banner {
   
    margin-bottom: 0.75rem;
}


.duty-case .flex{
    flex-direction: column;
}
.case-item {
  
    margin-bottom: 0.42rem;
}

.case-l {
    width: 100%;
    border-radius: 0;
    overflow: hidden;
    margin-right: unset;
    margin-bottom: 0.2rem;
}

.case-l-re {
    margin-left:0;
    
}
.duty-case  .case-reverse{
    flex-direction: column-reverse;
}
.case-r h5 {
   font-size: 0.38rem;
line-height: 0.33rem;
margin-bottom: 0.15rem;
font-weight: bold;
}
.case-r{
box-shadow: 0.01rem 0.02rem 0.06rem 0.01rem rgba(0,0,0,0.22);
border-radius: 0.36rem 0.36rem 0.36rem 0.36rem;
padding: 0.5rem 0.4rem;
}
.case-r p{
font-size: 0.32rem;
color: #30803A;
line-height: 0.55rem;

}
}