@media only screen and (min-width: 996px) {
    .AB_inner {
        margin-top: -70px;
        position: relative;
    }
    .AB_inner img {
        width: 100%;
    }
    .AB_pos {
        position: absolute;
        width: 100%;
        left: 0;
        top: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        height: 100%;
    }
    .AB_pos strong {
        color: var(--main-color-white);
        font-size: 30px;
        font-weight: normal;
        display: block;
        margin-bottom: 10px;
    }
    .AB_pos span {
        display: block;
        text-align: center;
        color: var(--main-color-white);
        font-size: 16px;
        line-height: 25px;
    }
    .AB_bread {
        width: 100%;
        height: 50px;
        border-bottom: 1px solid #efefef;
    }
    .AB_breadCon {
        max-width: 1750px;
        height: 50px;
        margin: 0 auto;
        padding: 0 75px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .AB_breadLeft a {
        position: relative;
        display: block;
        height: 50px;
        line-height: 50px;
        font-size: 14px;
        padding: 0 15px;
        color: var(--main-color-555);
    }
    .AB_breadLeft a:hover {
        color: var(--main-color);
    }
    .AB_active {
        position: relative;
    }
    .AB_active::after {
        position: absolute;
        width: 80%;
        height: 3px;
        background-color: var(--main-color);
        content: '';
        bottom: 0px;
        left: 50%;
        transform: translateX(-50%);
    }
    .AB_breadLeft {
        display: flex;
        align-items: center;
    }
    .AB_breadRight {
        display: flex;
        align-items: center;
    }
    .AB_breadRight i {
        color: var(--main-color-666);
        font-size: 20px;
        margin-right: 5px;
    }
    .AB_breadRight a {
        color: var(--main-color-666);
        font-size: 14px;
    }
    .AB_breadRight span {
        color: var(--main-color-666);
        display: block;
        margin: 0 5px;
    }
    .AB_con1 {
        width: 100%;
        padding: 50px 0;
    }
    .AB_con1con {
        max-width: 1750px;
        padding: 0 75px;
        margin: 0 auto;
    }
    .AB_title strong {
        display: block;
        text-align: center;
        color: var(--main-color-333);
        font-weight: normal;
        position: relative;
        font-size: 30px;
        margin-bottom: 25px;
    }
    .AB_title strong::after {
        position: absolute;
        width: 70px;
        height: 3px;
        background-color: var(--main-color);
        content: '';
        left: 50%;
        transform: translateX(-50%);
        bottom: -15px;
    }
    .AB_title p {
        text-align: center;
        max-width: 800px;
        margin: 0 auto;
        line-height: 25px;
        font-size: 14px;
        color: var(--main-color-666);
    }
    .AB_con1Box {
        display: flex;
        margin-top: 50px;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .AB_con1left {
        width: 48%;
    }
    .AB_con1right {
        width: 48%;
    }
    .AB_con1right img {
        width: 100%;
    }
    .fadeInLeft strong {
        display: block;
        color: var(--main-color-555);
        font-size: 25px;
        margin-bottom: 20px;
        font-weight: normal;
    }
    .fadeInLeft p {
        font-size: 15px;
        color: var(--main-color-666);
        line-height: 25px;
        margin-bottom: 20px;
    }
    .AB_con2 {
        width: 100%;
        padding: 50px 0;
    }
    .AB_con2con {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        max-width: 1750px;
        margin: 0 auto;
        padding: 0 75px;
    }
    .AB_con2left {
        width: 40%;
    }
    .AB_con2left img {
        width: 100%;
        height: 300px;
        object-fit: cover;
    }
    .AB_con2right {
        width: 55%;
    }
    .AB_con2right strong {
        display: block;
        color: var(--main-color-333);
        font-weight: normal;
        position: relative;
        font-size: 30px;
        margin-bottom: 85px;
    }
    .AB_con2right strong::after {
        position: absolute;
        width: 70px;
        height: 3px;
        background-color: var(--main-color);
        content: '';
        left: 0;
        bottom: -15px;
    }
    .AB_con2right ul {
        display: flex;
        flex-wrap: wrap;
    }
    .AB_con2right ul li {
        width: calc((100% - 60px) / 3);
        margin-right: 30px;
        margin-bottom: 30px;
    }
    .AB_con2right ul li:nth-child(3n) {
        margin-right: 0;
    }
    .AB_con2right ul li p {
        color: var(--main-color);
        font-weight: bold;
        font-size: 20px;
    }
    .AB_con2right ul li span {
        display: block;
        margin-top: 10px;
        font-size: 15px;
        color: var(--main-color-666);
    }
    .AB_con3 {
        padding: 50px 0;
        background-color: #f2f2f2;
    }
    .AB_con3con {
        max-width: 1750px;
        padding: 0 75px;
        margin: 0 auto;
    }
    .history_big {
        margin-top: 60px;
        width: 100%;
    }
    .his_bigBox {
        width: 100%;
        display: flex;
        background-color: var(--main-color-white);
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        padding: 15px;
    }
    .his_bigBoxleft {
        width: 47%;
        padding: 15px;
        box-shadow: var(--main-shadow);
        background-color: var(--main-color-white);
        position: relative;
        height: 500px;
    }
    .his_bigBoxleft img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .his_bigBoxright {
        width: 53%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 30px;
    }
    .his_bigBoxright strong {
        color: var(--main-color-333);
        font-size: 20px;
        display: block;
        margin-bottom: 20px;
    }
    .his_bigBoxright span {
        display: block;
        color: var(--main-color-666);
        font-size: 16px;
        margin-bottom: 50px;
    }
    .his_bigBoxright p {
        font-size: 14px;
        color: var(--main-color-888);
        font-size: 15px;
        line-height: 30px;
    }
    .history_small {
        margin-top: 20px;
    }
    .history_small .small_box {
        background-color: var(--main-color-white);
        padding: 20px;
        transition: var(--main-transition);
    }
    .history_small .small_box strong {
        display: block;
        font-size: 20px;
        transition: var(--main-transition);
        margin-bottom: 10px;
    }
    .history_small .small_box p {
        color: var(--main-color-555);
        font-size: 14px;
        transition: var(--main-transition);
    }
    .history_small_out {
        position: relative;
    }
    .qh_his {
        position: absolute;
        display: flex;
        align-items: center;
        bottom: 0;
        z-index: 99;
        right: 0;
    }
    .h_ss_btn {
        width: 50px;
        font-size: 20px;
        height: 50px;
        text-align: center;
        line-height: 50px;
        color: var(--main-color-white);
        background-color: var(--main-color);
    }
    .h_ss_btn_left {
        margin-right: 1px;
    }
    .history_small_out .swiper-slide-thumb-active .small_box {
        background-color: var(--main-color);
    }
    .history_small_out .swiper-slide-thumb-active .small_box strong {
        color: var(--main-color-white) !important;
    }
    .history_small_out .swiper-slide-thumb-active .small_box p {
        color: var(--main-color-white) !important;
    }
}

@media only screen and (max-width: 996px) {
    .AB_con3 {
        padding: 30px 15px;
        background-color: #f2f2f2;
    }
    .AB_con3con {
        margin: 0 auto;
    }
    .history_big {
        margin-top: 30px;
        width: 100%;
    }
    .his_bigBox {
        width: 100%;
        display: flex;
        background-color: var(--main-color-white);
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        padding: 15px;
    }
    .his_bigBoxleft {
        width: 100%;
        padding: 15px;
        box-shadow: var(--main-shadow);
        background-color: var(--main-color-white);
        position: relative;
    }
    .his_bigBoxleft img {
        width: 100%;
        object-fit: cover;
    }
    .his_bigBoxright {
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 15px;
        margin-top: 10px;
    }
    .his_bigBoxright strong {
        color: var(--main-color-333);
        font-size: 16px;
        display: block;
        margin-bottom: 10px;
    }
    .his_bigBoxright span {
        display: block;
        color: var(--main-color-666);
        font-size: 14px;
        margin-bottom: 20px;
    }
    .his_bigBoxright p {
        font-size: 12px;
        color: var(--main-color-888);
        line-height: 30px;
    }
    .history_small {
        margin-top: 20px;
    }
    .history_small .small_box {
        background-color: var(--main-color-white);
        padding: 20px;
        transition: var(--main-transition);
    }
    .history_small .small_box strong {
        display: block;
        font-size: 20px;
        transition: var(--main-transition);
        margin-bottom: 10px;
    }
    .history_small .small_box p {
        color: var(--main-color-555);
        font-size: 14px;
        transition: var(--main-transition);
    }
    .history_small_out {
        position: relative;
    }
    .qh_his {
        position: absolute;
        display: flex;
        align-items: center;
        bottom: 0;
        z-index: 99;
        right: 0;
    }
    .h_ss_btn {
        width: 50px;
        font-size: 20px;
        height: 50px;
        text-align: center;
        line-height: 50px;
        color: var(--main-color-white);
        background-color: var(--main-color);
    }
    .h_ss_btn_left {
        margin-right: 1px;
    }
    .history_small_out .swiper-slide-thumb-active .small_box {
        background-color: var(--main-color);
    }
    .history_small_out .swiper-slide-thumb-active .small_box strong {
        color: var(--main-color-white) !important;
    }
    .history_small_out .swiper-slide-thumb-active .small_box p {
        color: var(--main-color-white) !important;
    }
    .AB_con2 {
        width: 100%;
        padding: 30px 15px;
    }
    .AB_con2con {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        margin: 0 auto;
    }
    .AB_con2left {
        width: 100%;
        margin-bottom: 20px;
    }
    .AB_con2left img {
        width: 100%;
        object-fit: cover;
    }
    .AB_con2right {
        width: 100%;
    }
    .AB_con2right strong {
        display: block;
        color: var(--main-color-333);
        font-weight: normal;
        position: relative;
        font-size: 20px;
        margin-bottom: 25px;
    }
    .AB_con2right strong::after {
        position: absolute;
        width: 40px;
        height: 2px;
        background-color: var(--main-color);
        content: '';
        left: 0;
        bottom: -15px;
    }
    .AB_con2right ul {
        display: flex;
        flex-wrap: wrap;
    }
    .AB_con2right ul li {
        width: 48%;
        margin-bottom: 30px;
    }
    .AB_con2right ul li p {
        color: var(--main-color);
        font-weight: bold;
        font-size: 16px;
    }
    .AB_con2right ul li span {
        display: block;
        margin-top: 5px;
        font-size: 14px;
        color: var(--main-color-666);
    }
    .AB_con1 {
        width: 100%;
        padding: 30px 15px;
    }
    .AB_con1con {
        margin: 0 auto;
    }
    .AB_title strong {
        display: block;
        text-align: center;
        color: var(--main-color-333);
        font-weight: normal;
        position: relative;
        font-size: 20px;
        margin-bottom: 15px;
    }
    .AB_title strong::after {
        position: absolute;
        width: 40px;
        height: 2px;
        background-color: var(--main-color);
        content: '';
        left: 50%;
        transform: translateX(-50%);
        bottom: -10px;
    }
    .AB_title p {
        text-align: center;
        width: 100%;
        margin: 0 auto;
        line-height: 20px;
        font-size: 12px;
        color: var(--main-color-666);
    }
    .AB_con1Box {
        display: flex;
        margin-top: 20px;
        flex-wrap: wrap;
        flex-direction: column-reverse;
        justify-content: space-between;
    }
    .AB_con1left {
        width: 100%;
    }
    .AB_con1right {
        width: 100%;
        margin-bottom: 20px;
    }
    .AB_con1right img {
        width: 100%;
    }
    .fadeInLeft strong {
        display: block;
        color: var(--main-color-555);
        font-size: 20px;
        margin-bottom: 15px;
        font-weight: normal;
    }
    .fadeInLeft p {
        font-size: 13px;
        color: var(--main-color-666);
        line-height: 25px;
        margin-bottom: 10px;
    }
    .AB_bread {
        width: 100%;
    }
    .AB_breadCon {
        width: 100%;
        margin: 0 auto;
        padding: 30px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .AB_breadLeft {
        display: none;
    }
    .AB_breadRight {
        display: flex;
        width: 100%;
        align-items: center;
    }
    .AB_breadRight i {
        color: var(--main-color-666);
        font-size: 15px;
        margin-right: 5px;
    }
    .AB_breadRight a {
        color: var(--main-color-666);
        font-size: 12px;
    }
    .AB_breadRight span {
        color: var(--main-color-666);
        display: block;
        margin: 0 3px;
    }
    .AB_inner {
        position: relative;
        margin-top: 60px;
    }
    .AB_inner img {
        width: 100%;
        min-height: 300px;
        object-fit: cover;
    }
    .AB_pos {
        position: absolute;
        padding: 0 25px;
        width: 100%;
        left: 0;
        top: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        height: 100%;
    }
    .AB_pos strong {
        color: var(--main-color-white);
        font-size: 25px;
        font-weight: normal;
        display: block;
        margin-bottom: 10px;
    }
    .AB_pos span {
        display: block;
        text-align: center;
        color: var(--main-color-white);
        font-size: 14px;
        line-height: 25px;
    }
}