@media screen and (min-width: 1180px) {

    .mini {
        display: none;
        position: absolute;
    }

    .banner img {
        width: auto;
        max-width: 100%;
    }

    .navigate {
        position: relative;
        font-size: 16px;
        margin-top: 27px;
        margin-bottom: 35px;
        width: 980px;
    }

    .content {
        display: -webkit-flex;
        display: flex;
        flex-direction: row;
        width: 1180px;
        line-height: 24px;
    }

    .content .left {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        width: 700px;
        margin-left: 100px;
        margin-right: 130px;
    }

    .content .left .title {
        text-align: center;
        font-size: 22px;
        color: #000000;
        font-weight: bold;
        margin-bottom: 20px;
    }

    .content .left .left-2 {
        text-align: center;
        font-size: 14px;
        color: #000000;
        margin-bottom: 35px;
    }

    .content .left .left-2-item {
        margin-right: 20px;
    }

    .content .right {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        width: 250px;
    }

}

@media screen and (min-width: 480px) and (max-width: 1180px) {
    body {
        font-size: 12px;
    }

    .big,
    body .content .left .list-item .big {
        display: none;
        position: absolute;
    }

    .navigate {
        margin-top: 2rem;
        font-size: 1.5rem;
        width: 95%;
        margin-left: 5%;
        margin-bottom: 2rem;
    }

    .content {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    .content .left {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        width: 90%;
    }

    .content .left img {
        width: auto;
        max-width: 100%;
        display: inline;
    }

    .content .left .title {
        font-size: 1.8rem;
        text-align: center;
        font-weight: bold;
    }

    .content .left .left-2 {
        font-size: 1.4rem;
        text-align: center;
        margin-top: 1rem;
    }

    .content .left .con {
        font-size: 1.4rem;
        line-height: 2.4rem;
        margin-top: 2rem;
    }

    .content .right {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        width: 94%;
    }
}

@media screen and (max-width: 460px) {

    body {
        font-size: 12px;
    }

    .big,
    body .content .left .list-item .big {
        display: none;
        position: absolute;
    }

    .navigate {
        margin-top: 2rem;
        font-size: 1.5rem;
        width: 95%;
        margin-left: 5%;
        margin-bottom: 2rem;
    }

    .content {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    .content .left {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        width: 90%;
    }

    .content .left img {
        width: auto;
        max-width: 100%;
        display: inline;
    }

    .content .left .title {
        font-size: 1.8rem;
        text-align: center;
        font-weight: bold;
    }

    .content .left .left-2 {
        font-size: 1.4rem;
        text-align: center;
        margin-top: 1rem;
    }

    .content .left .con {
        font-size: 1.4rem;
        line-height: 2.4rem;
        margin-top: 2rem;
    }

    .content .right {
        display: -webkit-flex;
        display: flex;
        flex-direction: column;
        width: 94%;
    }
}