.adv_box{
    width: 100%;
}

.adv{
    max-width: 1400px;
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: calc(5px + 3rem);
}
.adv:nth-of-type(2){
    flex-flow: row-reverse;
}
.adv_pic{
    width: 48.5714%;
    height: calc(18px + 20rem);
}

.adv_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.adv_text{
    width: 44.5%;
}

.adv_text .adv_title{
    font-family: OPPOSans-B;
    font-weight: normal;
    font-size: calc(2px + 1rem);
    color: #333333;
    line-height: 1;
    text-transform: uppercase;
    margin-bottom: calc(7px + 1.5rem);
}

.adv_intro p{
font-family: OPPOSans-R;
font-weight: normal;
font-size: calc(6px + 0.5rem);
color: #333333;
line-height: calc(10px + 1rem);
}

.adv_intro p:nth-of-type(2){
    margin-top: calc(10px + 0.5rem);
}