.title p:nth-of-type(1){
    font-family: OPPOSans-M;
    font-weight: normal;
    font-size: calc(6px + 2rem);
    color: #1E2737;
}
.title p:nth-of-type(2){
    font-family: OPPOSans-R;
    font-weight: normal;
    font-size: calc(2px + 1rem);
    color: #1E2737;
    margin-top: calc(10px + 0.5rem);
}

@media (max-width: 800px) {
    .title p:nth-of-type(1){
        font-size: calc(14px + 1rem);
    }
    .title p:nth-of-type(2){
        font-size: calc(10px + 1rem);
        margin-top: calc(2px + 0.5rem);
    }
}