.copyright {
    width: 84vw;
    /*height: 100vw;*/
    margin: 0 auto;
}

.copyright .copyrightTitle {
    text-align: center;
    margin: 50px 0;
    font-size: 40px;
}

.copyrightMain .mainTitle {
    position: relative;
    display: inline-block;
    font-size: 36px;
    padding-bottom: 20px;
}

.mainTitle::before {
    position: absolute;
    content: '';
    width: 100%;
    height: 4px;
    left: 0;
    bottom: 0;
    background: rgb(204, 0, 0);
}

.copyrightMain .mainCenter {
    margin: 50px 0;
    font-size: 20px;
    line-height: 44px;
}
@media (max-width: 860px) {

    .copyright .copyrightTitle{
        margin: 27px 0;
        font-size: 20px;
    }
    .copyrightMain .mainTitle{
        font-size: 16px;
        padding-bottom: 16px;
    }
    .copyrightMain .mainCenter {
        margin: 16px 0;
        font-size: 13px;
        line-height: 24px;
    }
}