.title-df {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.title-df .t1 {
    height: 28px;
    padding-left: 10px;
    line-height: 28px;
    border-left: 5px solid #006ab7;
}

.title-df .t1 a {
    font-size: 24px;
    font-weight: bold;
    color: #006ab7;
}

.title-df .t2 {
    height: 28px;
    padding: 0 10px;
    line-height: 28px;
    background-color: #006ab7;
}

.title-df .t2 a {
    color: #fff;
}

.list-df {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

@media (min-width:992px) {


    .list-df .item-df {
        width: calc(25% - 22.5px);
        margin-right: 30px;
    }

    .list-df .item-df:nth-child(4n) {
        margin-right: 0;
    }


    .list-df .item-df a {
        display: block;
        padding: 5px;
        border: 1px solid #ccc;
        position: relative;
    }

    .list-df .item-df a img {
        display: block;
        width: 100%;
        height: 240px;
    }

    .list-df .item-df .info {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        padding: 15px;
        color: #000;
        font-size: 18px;
        text-align: center;
        box-sizing: border-box;
    }

    .list-df .item-df a:hover .info {
        background-color: #006ab7;
        color: #fff;
    }

}


@media (max-width:991.98px) {


    .list-df .item-df {
        width: 100%;
        margin-bottom: 20px;
    }


    .list-df .item-df a {
        display: block;
        padding: 5px;
        border: 1px solid #ccc;
        position: relative;
    }

    .list-df .item-df a img {
        display: block;
        width: 100%;
    }

    .list-df .item-df .info {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        padding: 15px;
        color: #000;
        font-size: 18px;
        text-align: center;
        box-sizing: border-box;
    }

    .list-df .item-df a:hover .info {
        background-color: #006ab7;
        color: #fff;
    }

}


.pro-3ul-2 {
    width: 75%;
    margin: 0 auto;
    padding: 20px 0 160px;
}

.pro-3li-2 {
    margin-bottom: 20px;
    padding: 20px;
    box-shadow: 0px 0px 12px 4px rgba(0, 0, 0, 0.06);
    font-size: 20px;
    color: #353535;
}

@media (max-width:991.98px) {
    .pro-3ul-2 {
        width: 90%;
    }
    .pro-3li-2 {
       font-size: 14px;
    }
}



@media (min-width:992px) {
    .pro-6content {
        width: 75%;
        overflow: hidden;
        margin: 90px auto 160px;
        display: flex;
        justify-content: space-between;
    }

    .pro-6item {
        flex: 1;
        height: 530px;
        padding: 20px;
        overflow: hidden;
        position: relative;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        margin-right: 1px;
    }

    .pro-6item.active {
        flex: 2.49;
    }

    .pro-6center {
        width: 100%;
        overflow: hidden;
    }

    .pro-6title {
        width: 100%;
        overflow: hidden;
        display: block;
        text-align: center;
        font-size: 24px;
        color: #006ab7;
    }

    .pro-6desc {
        width: 100%;
        max-height: 440px;
        margin-top: 20px;
        overflow: hidden;
        line-height: 28px;
        font-size: 16px;
        color: #353535;
    }

    .pro-6item.active .pro-6center {
        width: 86%;
    }

    .pro-6item.active .pro-6title {
        text-align: left;
        font-size: 36px;
        color: #006ab7;
    }

}




@media (max-width:991.98px) {
    .pro-6content {
        width: 90%;
        overflow: hidden;
        margin: 30px auto;
    }

    .pro-6item {
        margin-bottom: 20px;
        padding: 20px;
        overflow: hidden;
        position: relative;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        margin-right: 1px;
    }

    .pro-6center {
        width: 100%;
        overflow: hidden;
    }

    .pro-6title {
        width: 100%;
        overflow: hidden;
        display: block;
        text-align: center;
        font-size: 24px;
        color: #006ab7;
    }

    .pro-6desc {
        width: 100%;
        max-height: 440px;
        margin-top: 20px;
        overflow: hidden;
        line-height: 28px;
        font-size: 14px;
        color: #353535;
    }

}