@media only screen and (min-width: 996px) {
    .aboutus1 {
        padding: 15px 0;
        padding-bottom: 50px;
    }
    .aboutus1con {
        max-width: 1430px;
        padding: 0 65px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .aboutus1left {
        width: 58%;
        text-align: justify;
        padding-right: 40px;
    }
    .aboutus1left strong {
        color: var(--main-color-333);
        font-size: 30px;
        font-weight: normal;
        display: block;
        margin-bottom: 30px;
    }
    .aboutus1left p {
        font-size: 14px;
        color: var(--main-color-888);
        font-size: 16px;
        line-height: 30px;
    }
    .aboutus1right {
        width: 40%;
    }
    .aboutus1right img {
        width: 100%;
    }
    .aboutus2 {
        padding: 50px 0;
    }
    .aboutus2con {
        max-width: 1430px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .num_scroll {
        width: 100%;
    }
    .mumping_mun {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .mumping_mun li {
        text-align: center;
        flex: 1;
        padding: 50px 20px;
        margin: 0 20px;
    }
    .mun_top {
        display: flex;
        justify-content: center;
    }
    .mun_top span {
        color: var(--main-color-666);
        display: block;
        margin-left: 5px;
    }
    .mun_top h2 {
        font-size: 40px;
        font-weight: normal;
        color: var(--main-color);
    }
    .mumping_mun li p {
        text-align: center;
        font-size: 15px;
        color: var(--main-color-666);
        margin-top: 10px;
    }
    .aboutus3 {
        padding: 80px 0;
        background-image: url(../images/bg3.jpg);
        background-repeat: no-repeat;
        background-size: cover;
    }
    .aboutus3con {
        max-width: 1430px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .ab_title {
        margin-bottom: 50px;
    }
    .ab_title strong {
        color: var(--main-color-white);
        font-size: 30px;
        text-align: center;
        display: block;
        margin-bottom: 20px;
        font-weight: normal;
    }
    .ab_title p {
        color: var(--main-color-white);
        font-size: 16px;
        text-align: center;
    }
    .layui-timeline-axis {
        color: var(--main-color) !important;
    }
    .layui-timeline-title {
        color: var(--main-color-white) !important;
    }
    .layui-timeline-content {
        color: var(--main-color-white) !important;
    }
    .layui-timeline-content p {
        color: var(--main-color-white) !important;
    }
    .aboutus4 {
        padding: 80px 0;
    }
    .aboutus4con {
        max-width: 1430px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .aboutus4con .ab_title strong {
        color: var(--main-color-222) !important;
    }
    .aboutus4con .ab_title p {
        color: var(--main-color-222) !important;
    }
    .aboutus4con ul li {
        display: flex;
        justify-content: space-between;
        box-shadow: var(--main-shadow);
        flex-wrap: wrap;
    }
    .aboutus4con ul li:nth-child(even) {
        flex-direction: row-reverse;
    }
    .ab4left {
        width: 50%;
    }
    .ab4left img {
        width: 100%;
        height: 230px;
        object-fit: cover;
    }
    .ab4right {
        width: 50%;
        padding: 35px;
        background-color: var(--main-color-white);
    }
    .ab4right strong {
        color: var(--main-color-222);
        font-size: 30px;
        font-weight: normal;
        display: block;
        padding-bottom: 10px;
        margin-bottom: 25px;
        border-bottom: 1px solid #eeeeee;
    }
    .ab4right p {
        font-size: 14px;
        color: #808080;
        line-height: 30px;
        width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
    }
    .aboutus5 {
        padding: 80px 0;
        background-image: url(../images/bg5.jpg);
        background-repeat: no-repeat;
        background-size: cover;
    }
    .aboutus5con {
        max-width: 1430px;
        padding: 0 65px;
        margin: 0 auto;
    }
    .aboutus5con ul {
        display: flex;
        flex-wrap: wrap;
    }
    .aboutus5con ul li img {
        width: 100%;
    }
    .aboutus5con ul li {
        width: calc((100% - 60px) / 4);
        margin-right: 20px;
        margin-bottom: 20px;
    }
    .aboutus5con ul li:nth-child(4n) {
        margin-right: 0;
    }
}

@media only screen and (max-width: 996px) {
    .aboutus5 {
        padding: 30px 15px;
        background-image: url(../images/bg5.jpg);
        background-repeat: no-repeat;
        background-size: cover;
    }
    .aboutus5con {
        margin: 0 auto;
    }
    .aboutus5con ul {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .aboutus5con ul li img {
        width: 100%;
    }
    .aboutus5con ul li {
        width: 48%;
        margin-bottom: 20px;
    }
    .aboutus4 {
        padding: 30px 15px;
    }
    .aboutus4con {
        margin: 0 auto;
    }
    .aboutus4con .ab_title strong {
        color: var(--main-color-222) !important;
    }
    .aboutus4con .ab_title p {
        color: var(--main-color-222) !important;
    }
    .aboutus4con ul li {
        display: flex;
        justify-content: space-between;
        box-shadow: var(--main-shadow);
        margin-bottom: 25px;
        flex-wrap: wrap;
    }
    .ab4left {
        width: 100%;
    }
    .ab4left img {
        width: 100%;
        object-fit: cover;
    }
    .ab4right {
        width: 100%;
        padding: 25px;
        background-color: var(--main-color-white);
    }
    .ab4right strong {
        color: var(--main-color-222);
        font-size: 20px;
        font-weight: normal;
        display: block;
        padding-bottom: 5px;
        margin-bottom: 15px;
        border-bottom: 1px solid #eeeeee;
    }
    .ab4right p {
        font-size: 14px;
        color: #808080;
        line-height: 30px;
        width: 100%;
    }
    .aboutus3 {
        padding: 30px 15px;
        background-image: url(../images/bg3.jpg);
        background-repeat: no-repeat;
        background-size: cover;
    }
    .aboutus3con {
        margin: 0 auto;
    }
    .ab_title {
        margin-bottom: 30px;
    }
    .ab_title strong {
        color: var(--main-color-white);
        font-size: 22px;
        text-align: center;
        display: block;
        margin-bottom: 10px;
        font-weight: normal;
    }
    .ab_title p {
        color: var(--main-color-white);
        font-size: 14px;
        text-align: center;
    }
    .layui-timeline-axis {
        color: var(--main-color) !important;
    }
    .layui-timeline-title {
        color: var(--main-color-white) !important;
    }
    .layui-timeline-content {
        color: var(--main-color-white) !important;
    }
    .layui-timeline-content p {
        color: var(--main-color-white) !important;
    }
    .aboutus2 {
        padding: 30px 15px;
    }
    .num_scroll {
        width: 100%;
    }
    .mumping_mun {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .mumping_mun li {
        text-align: center;
        width: 48%;
        margin-bottom: 25px;
    }
    .mun_top {
        display: flex;
        justify-content: center;
    }
    .mun_top span {
        color: var(--main-color-666);
        display: block;
        margin-left: 5px;
    }
    .mun_top h2 {
        font-size: 25px;
        font-weight: normal;
        color: var(--main-color);
    }
    .mumping_mun li p {
        text-align: center;
        font-size: 15px;
        color: var(--main-color-666);
        margin-top: 10px;
    }
    .aboutus1 {
        padding: 30px 15px;
    }
    .aboutus1con {
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        flex-direction: column-reverse;
    }
    .aboutus1left {
        width: 100%;
        margin-top: 30px;
    }
    .aboutus1left strong {
        color: var(--main-color-333);
        font-size: 22px;
        font-weight: normal;
        display: block;
        margin-bottom: 20px;
    }
    .aboutus1left p {
        font-size: 14px;
        color: var(--main-color-888);
        line-height: 30px;
    }
    .aboutus1right {
        width: 100%;
    }
    .aboutus1right img {
        width: 100%;
    }
}