.footer {
    width: 100%;
    background-color: #ffffff;
    background-image: url(../images/technology-network-bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.correlation {
    width: 1400px;
    margin: 0 auto;
    padding: 16px 0;
    border-top: 1px solid #ffffff1a;
    /* border-bottom: 1px solid #ffffff1a; */
    display: flex;
    justify-content: space-between;
}

.correlation-img {
    /* width: 117px; */
    /* aspect-ratio: 939/256; */
    height: 50px;
}

.foot-nav {
    /* margin-left: 108px; */
}

.foot-nav-item {
    list-style: none;
    margin-bottom: 12px;
    
}

.foot-nav-item>a {
    color: #4e5969;
    font-family: "OPPOSans";
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    text-decoration: none;
}

.foot-nav-item>span,
.contact-information-qrcode-title {
    color: #4e5969;
    font-family: "OPPOSans";
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    text-decoration: none;
}

.previous-menu{
    margin-bottom: 25px;
}

.previous-menu > a{
    color: #1D2129;
    font-size: 18px;
}

.qrCodes {
    width: 1200px;
    margin: 0 auto;
    padding-bottom: 16px;
    border-bottom: 1px solid #ffffff1a;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.qrCodes-item {
    text-align: center;
    margin: 0 24px;

    color: #1d2129;
    text-align: center;
    font-family: "OPPOSans";
    font-size: 12px;
    font-style: normal;
    font-weight: 400;
}

.qrCodes-item>img {
    width: 88px;
    height: 88px;
}


.copyright {
    padding-top: 23px;
    padding-bottom: 24px;
    color: #86909C;
    text-align: center;
}

.copyright .text-color {
    color: #86909C;
}

/* 768以下 */
@media (max-width: 768px) {
    .ops {
        width: calc(100% - 48px);
        padding: 0 24px;
        flex-direction: column;
    }

    .ops-item {
        padding: 13px 0;
        margin: 6px 0;
    }


    .ops-item-title {
        color: #1d2129;
        font-family: "OPPOSans";
        font-size: 14px;
        font-style: normal;
        font-weight: 500;
    }

    .ops-item-font {
        font-size: 12px;
    }

    .correlation {
        width: 100%;
    }

    .qrCodes {
        width: calc(100% - 48px);
        margin: 0 auto;
    }

}