@media only screen and (min-width: 996px) {
    .ab1 {
        width: 100%;
        padding: 50px 0;
    }
    .ab1con {
        max-width: 1730px;
        padding: 0 65px;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }
    .ab1left {
        width: 48%;
    }
    .ab1right {
        width: 48%;
    }
    .ab1right img {
        width: 100%;
    }
    .ab1left strong {
        color: #111;
        font-size: 20px;
        display: block;
        margin-bottom: 15px;
    }
    .ab1left p {
        color: #444;
        margin-bottom: 30px;
        font-size: 16px;
        line-height: 25px;
    }
    .ab1left ul li {
        display: flex;
        margin-bottom: 20px;
    }
    .l_left {
        width: 32px;
    }
    .l_left img {
        width: 100%;
        margin-right: 15px;
    }
    .l_right h1 {
        font-size: 18px;
        color: #000;
        margin-bottom: 5px;
        font-weight: normal;
    }
    .l_right em {
        font-size: 16px;
        color: #444;
        font-style: normal;
    }
    .ab2 {
        width: 100%;
    }
    .ab2con {
        max-width: 1730px;
        margin: 0 auto;
        padding: 0 65px;
    }
    .ab2con ul {
        display: flex;
    }
    .ab2con ul li {
        flex: 1;
        text-align: center;
    }
    .ab2con ul li strong {
        font-weight: normal;
        color: #2e7eed;
        display: block;
        text-align: center;
        font-size: 32px;
    }
    .ab2con ul li p {
        text-align: center;
        color: #000;
        font-size: 16px;
    }
    .title2 {
        position: relative;
        margin-bottom: 30px;
        font-weight: bold;
        font-size: 20px;
        color: #000;
    }
    .title2::after {
        position: absolute;
        width: 250px;
        height: 1px;
        content: '';
        background-color: #e0e0e0;
        bottom: -10px;
        left: 0;
    }
    .title2::before {
        position: absolute;
        width: 80px;
        height: 3px;
        content: '';
        background-color: #2e7eed;
        bottom: -10px;
        left: 0;
    }
    .ab3 {
        padding: 50px 0;
    }
    .ab3con {
        max-width: 1730px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .ab3con ul {
        display: flex;
        flex-wrap: wrap;
    }
    .ab3con ul li {
        flex: 1;
        display: flex;
    }
    .ab3left {
        opacity: .5;
        color: #010102;
        margin-right: 20px;
        font-size: 36px;
    }
    .ab3icon {
        width: 60px;
        height: 60px;
        border-radius: 5px;
        background-color: #2e7eed;
        display: flex;
        align-items: center;
        transition: all ease .5s;
        justify-content: center;
    }
    .ab3right p {
        font-size: 18px;
        font-weight: bold;
        color: #111;
        margin: 15px 0;
    }
    .ab3right span {
        font-size: 16px;
        color: #444;
        line-height: 25px;
    }
    .ab3con ul li:hover .ab3icon {
        transform: translateY(-10px);
    }
    .picBox {
        max-width: 1730px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .picBox img {
        width: 100%;
    }
    .ab4 {
        padding: 80px 0;
    }
    .ab4con {
        max-width: 1730px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .ab4con ul {
        display: flex;
        flex-wrap: wrap;
        position: relative;
    }
    .ab4con ul li {
        width: calc((100% - 125px) / 6);
        margin-right: 25px;
        text-align: center;
        margin-bottom: 25px;
    }
    .ab4con ul li:nth-child(6n) {
        margin-right: 0;
    }
    .ab4con ul li img {
        width: 100%;
        transition: all ease .4s;
    }
    .m_box {
        overflow: hidden;
    }
    .ab4con ul li:hover img {
        transform: scale(1.04);
    }
    .ab4con ul li p {
        width: 100%;
        height: 38px;
        border: 1px solid #fff;
        border-radius: 30px;
        font-size: 18px;
        color: #fff;
        line-height: 38px;
        margin-top: 30px;
        text-align: center;
    }
    .ab4con ul::after {
        content: '';
        height: 55%;
        width: 103%;
        background-color: #2e7eed;
        position: absolute;
        border-radius: 20px;
        z-index: -1;
        left: -1.6%;
        bottom: 0;
    }
}

@media only screen and (max-width: 996px) {
    .ab4 {
        padding: 30px 15px;
    }
    .ab4con {
        margin: 0 auto;
    }
    .ab4con ul {
        display: flex;
        flex-wrap: wrap;
        position: relative;
        justify-content: space-between;
    }
    .ab4con ul li {
        width: 49%;
        text-align: center;
        margin-bottom: 25px;
    }
    .ab4con ul li img {
        width: 100%;
        transition: all ease .4s;
    }
    .m_box {
        overflow: hidden;
    }
    .ab4con ul li:hover img {
        transform: scale(1.04);
    }
    .ab4con ul li p {
        width: 100%;
        height: 38px;
        border: 1px solid #fff;
        border-radius: 30px;
        font-size: 18px;
        color: #fff;
        line-height: 38px;
        margin-top: 20px;
        background-color: #2e7eed;
        text-align: center;
    }
    .picBox {
        padding: 30px 15px;
        margin: 0 auto;
    }
    .picBox img {
        width: 100%;
    }
    .ab3 {
        padding: 30px 15px;
    }
    .ab3con {
        margin: 0 auto;
    }
    .ab3con ul {
        display: flex;
        flex-wrap: wrap;
    }
    .ab3con ul li {
        width: 100%;
        margin-bottom: 20px;
        display: flex;
    }
    .ab3left {
        opacity: .5;
        color: #010102;
        margin-right: 20px;
        font-size: 36px;
    }
    .ab3icon {
        width: 60px;
        height: 60px;
        border-radius: 5px;
        background-color: #2e7eed;
        display: flex;
        align-items: center;
        transition: all ease .5s;
        justify-content: center;
    }
    .ab3right p {
        font-size: 18px;
        font-weight: bold;
        color: #111;
        margin: 15px 0;
    }
    .ab3right span {
        font-size: 16px;
        color: #444;
        line-height: 25px;
    }
    .ab3con ul li:hover .ab3icon {
        transform: translateY(-10px);
    }
    .title2 {
        position: relative;
        margin-bottom: 30px;
        font-weight: bold;
        font-size: 20px;
        color: #000;
    }
    .title2::after {
        position: absolute;
        width: 250px;
        height: 1px;
        content: '';
        background-color: #e0e0e0;
        bottom: -10px;
        left: 0;
    }
    .title2::before {
        position: absolute;
        width: 80px;
        height: 3px;
        content: '';
        background-color: #2e7eed;
        bottom: -10px;
        left: 0;
    }
    .ab1 {
        width: 100%;
        padding: 30px 15px;
    }
    .ab1con {
        flex-direction: column-reverse;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }
    .ab1left {
        width: 100%;
        margin-top: 20px;
    }
    .ab1right {
        width: 100%;
    }
    .ab1right img {
        width: 100%;
    }
    .ab1left strong {
        color: #111;
        font-size: 20px;
        display: block;
        margin-bottom: 15px;
    }
    .ab1left p {
        color: #444;
        margin-bottom: 30px;
        font-size: 16px;
        line-height: 25px;
    }
    .ab1left ul li {
        display: flex;
        margin-bottom: 20px;
    }
    .l_left {
        width: 32px;
    }
    .l_left img {
        width: 100%;
        margin-right: 15px;
    }
    .l_right h1 {
        font-size: 18px;
        color: #000;
        margin-bottom: 5px;
        font-weight: normal;
    }
    .l_right em {
        font-size: 16px;
        color: #444;
        font-style: normal;
    }
    .ab2 {
        width: 100%;
        padding: 30px 15px;
    }
    .ab2con ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .ab2con ul li {
        width: 49%;
        padding: 0 15px;
        text-align: center;
        margin-bottom: 15px;
    }
    .ab2con ul li strong {
        font-weight: normal;
        color: #2e7eed;
        display: block;
        text-align: center;
        font-size: 15px;
    }
    .ab2con ul li p {
        text-align: center;
        color: #000;
        font-size: 12px;
    }
}