.banner_content {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100vh;
}

.banner_swiper {
    position: absolute;
    right: 160px;
    bottom: 35px;
    z-index: 22;
    overflow: hidden;
    width: 480px;
}


.mySwiper2 .pic {
    position: relative;
    width: 100%;
    display: block;
}

.mySwiper2 .pic img {
    width: 100%;
    height: 100vh;
}

.mySwiper2 .pic .pic_po {
    position: absolute;
    top: 50%;
    width: 1600px;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.mySwiper2 .pic .pic_po .po_name {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    /* background: rgba(0, 0, 0, 0.2); */
    padding: 30px;
    border-radius: 20px;
}

.mySwiper2 .pic .pic_po .po_name h2 {
    font-size: 45px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #f9f9f9;
    line-height: 1.2;
    text-shadow: 1px 1px 1px #D71718;
    letter-spacing: 3px;
    /* letter-spacing: 10px; */
    /* margin-bottom: 20px; */
}

.mySwiper2 .pic .pic_po .po_name .po_name_h2 {
    padding-bottom: 25px;
    margin-bottom: 25px;
    position: relative;

}

.mySwiper2 .pic .pic_po .po_name .po_name_h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 110px;
    height: 5px;
    background: #D71718;
}

.mySwiper2 .pic .pic_po .po_name h4 {
    font-size: 24px;
    font-family: Arial;
    font-weight: 400;
    color: #f9f9f9;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 1px 1px 1px #D71718;
}


.mySwiper2 .swiper-pagination-bullet {
    background: #FFFFFF;
    opacity: 1;
}

.mySwiper2 .swiper-pagination-bullet-active {
    background: #D71718;
}



.mySwiper2 .swiper-button-next,
.mySwiper2 .swiper-button-prev {
    height: 80px;
    width: 40px;
    top: 50%;
    margin-top: -40px;
    opacity: 0.5;
    background: url(../images/index/kv-icon.png) transparent;
    transition: .5s;
}


.mySwiper2 .swiper-button-prev {
    left: 0;

}

.mySwiper2 .swiper-button-next {
    right: 0;
    background-position: -45px 0;
}

.mySwiper2 .swiper-button-prev:hover,
.mySwiper2 .swiper-button-next:hover {
    opacity: 1;
}


.b_about {
    margin-top: 100px;
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-between;
}

.b_about .about_left {
    width: 58%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.b_about .about_left .left_top {
    padding: 0 160px;
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
}

.b_about .about_left .left_top h2 {
    font-size: 48px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
}

.b_about .about_left .left_top .left_top_p {
    margin: 45px 0;
    width: 100%;
}

.b_about .about_left .left_top .left_top_p p,
.about_service .about_name h5 {
    font-size: 17px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    line-height: 25px;
    text-indent: 2em;
    margin-bottom: 20px;
}

.about_service .about_name h5 {
    margin-bottom: 0 !important
}

.b_about .about_left .left_top .left_top_p p:last-child {
    margin-bottom: 0;
}

.b_about .about_left .left_bootom {
    height: 180px;
    background: url(../images/welcome/left_bootom.png) no-repeat;
    background-size: cover;
    position: relative;
    padding: 0 70px 0 100px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.b_about .about_left .left_bootom .bootom_column {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.b_about .about_left .left_bootom .bootom_column p {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 1;
    display: flex;
    align-items: flex-end;
}

.b_about .about_left .left_bootom .bootom_column p sup {
    display: inline-block;
    line-height: initial;
    top: -1.0rem;
    padding: 0;
    font-size: 2.0rem;
}

.b_about .about_left .left_bootom .bootom_column p span {
    font-size: 48px;
    font-family: Arial;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1;
}

.b_about .about_left .left_bootom .bootom_column h3 {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 30px;
    margin-top: 8px;
}

.b_about .about_right {
    width: 42%;
    position: relative;
}

.b_about .about_right .swiper-pagination-bullet {
    width: 29px;
    height: 3px;
    background: #FFFFFF;
    border-radius: 2px;
    opacity: .8;
}

.b_about .about_right .swiper-pagination-bullet-active {
    background: #D71718;
}


.b_but {
    border: 1px solid #CCCCCC;
    /* border-radius: 25px; */
    padding: 10px 40px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    transition: .5s;
}

.b_but:hover {
    color: #D71718;
    border: 1px solid #D71718;
}

.b_business {
    padding: 70px 0;
    position: relative;
}

.b_business .business_row {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.b_business .business_row .business_left {
    width: 40%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.b_business .business_row .business_left .left_top {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-between;
    align-items: center;
}

.b_business .business_row .business_left .left_top h2 {
    font-size: 48px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
}

.b_business .business_row .business_left .left_top .top_row {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.b_business .business_row .business_left .left_top .top_row h4 {
    padding-left: 35px;
    padding-right: 30px;
    margin-right: 30px;
    font-size: 18px;
    line-height: 30px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #666666;
    border-right: 1px solid #DCDCDC;
    background: url(../images/welcome/business_left1.png) no-repeat left center;
    background-size: 22px 22px;
}

.b_business .business_row .business_left .left_top .top_row h4:hover {
    color: #D71718;
}

.b_business .business_row .business_left .left_top .top_row h4:last-child {
    padding-right: 0px;
    margin-right: 0px;
    border-right: none;
    background: url(../images/welcome/b2.png) no-repeat left center;
    background-size: 23px 23px;
}

.b_business .business_row .business_left .left_top .top_row h4:hover {
    color: #D71718;
    background: url(../images/welcome/b1.png) no-repeat left center;
    background-size: 22px 22px;
}

.b_business .business_row .business_left .left_top .top_row h4:last-child:hover {
    background: url(../images/welcome/business_left2.png) no-repeat left center;
    background-size: 23px 23px;
}

.b_business .business_row .business_left .left_p {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    line-height: 30px;
    margin: 70px 0 60px;
}

.b_business .business_row .business_right {
    position: relative;
    width: 56%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.b_business .business_row .business_swiper {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
}

.b_business .business_row .business_swiper .business_content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc((100% - 210px) / 4);
    margin-right: 70px;
    margin-bottom: 30px;
}

.b_business .business_row .business_swiper .business_content:nth-of-type(4n) {
    margin-right: 0;
}

.b_business .business_row .business_swiper .business_content .pic {
    overflow: hidden;
    margin-bottom: 40px;
}

.b_business .business_row .business_swiper .business_content .pic img {
    transition: .5s;
    width: 100%;
}

.b_business .business_row .business_swiper .business_content:hover .pic img {
    transform: scale(1.05);
    -moz-transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.b_business .business_row .business_swiper .business_content p {
    padding: 0 20px;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.b_business .business_row .business_swiper {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
}

.b_business .business_row .business_swiper .business_content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc((100% - 210px) / 4);
    margin-right: 70px;
    margin-bottom: 30px;
}

.b_business .business_row .business_swiper .business_content:nth-of-type(4n) {
    margin-right: 0;
}

.b_business .business_row .business_swiper .business_content .pic {
    overflow: hidden;
    margin-bottom: 40px;
}

.b_business .business_row .business_swiper .business_content .pic img {
    transition: .5s;
    width: 100%;
}

.b_business .business_row .business_swiper .business_content:hover .pic img {
    transform: scale(1.05);
    -moz-transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.b_business .business_row .business_swiper .business_content p {
    padding: 0 20px;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.b_business .business_row .business_bootom {
    display: flex;
    flex-direction: row;
    width: 100%;
    align-items: center;
    justify-content: flex-end;
}

.b_business .business_row .business_bootom .business-prev {
    background-image: url(../images/welcome/business_bootom.png);
    width: 52px;
    height: 52px;
    transform: rotateY(180deg);
    margin-right: 15px;
}

.b_business .business_row .business_bootom .business-next {
    background-image: url(../images/welcome/business_bootom.png);
    width: 52px;
    height: 52px;
}




.my_item {
    padding: 80px 0 90px;
    position: relative;
    overflow: hidden;
}

.my_item .my_item_content {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
}

.my_item .my_item_content h2,
.about_service .about_name h2 {
    font-size: 48px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
}

.my_item .my_item_content .item_min {
    position: relative;
    width: 100%;
    margin-top: 90px;
}

.my_item .my_item_content .item_min .item_swiper {
    position: relative;
    /* margin: 0 auto;
    width: 72%; */
}

.my_item .my_item_content .item_min .item_swiper .pic {
    position: relative;
    overflow: hidden;
    /* border-radius: 20px; */
    display: block;
}

.my_item .my_item_content .item_min .item_swiper .pic .po_name {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    line-height: 60px;
    background: rgb(0, 0, 0, 0.4);
    padding: 0 50px;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    text-align: center;

}

.my_item .my_item_content .item_min .item_swiper .pic img {
    /* border-radius: 20px; */
    width: 100%;
}

.my_item .my_item_content .item_min .item_swiper .swiper-container {
    overflow: inherit;
}


/* .my_item .my_item_content .item_min .item_swiper .swiper-slide-active {
    transform: scale(1.08);
    -moz-transform: scale(1.08);
    -webkit-transform: scale(1.08);
} */


.my_item .my_item_content .item_min .item_swiper .item-prev,
.my_item .my_item_content .item_min .item_swiper .item-next {
    position: absolute;
    top: 50%;
    width: 50px;
    height: 50px;
    margin-top: -25px;
    z-index: 10;
    cursor: pointer;
    background-size: 50px 50px;
    background-position: center;
    background-repeat: no-repeat;
}

.my_item .my_item_content .item_min .item_swiper .item-prev {
    left: 9%;
    background-image: url(../images/welcome/item-prev1.png);
}

.my_item .my_item_content .item_min .item_swiper .item-next {
    right: 9%;
    background-image: url(../images/welcome/item-prev1.png);
    transform: rotateY(180deg)
}

.my_item .my_item_content .item_min .item_swiper .item-prev:hover {
    background-image: url(../images/welcome/item-prev2.png);
    transform: rotateY(180deg)
}

.my_item .my_item_content .item_min .item_swiper .item-next:hover {
    background-image: url(../images/welcome/item-prev2.png);
    transform: rotateY(0deg)
}


.my_item .my_item_content .item_bootom {
    margin-top: 100px;
    position: relative;
    width: 100%;
}

.my_item .my_item_content .item_bootom .item_bootom_dian {
    width: 100%;
    text-align: center;
    margin-top: 30px;
}

.my_item .my_item_content .item_bootom .item_bootom_dian .swiper-pagination-bullet {
    width: 13px;
    height: 13px;
    background: #D4D4D4;
    opacity: 0.5;
    border-radius: 50%;
    margin: 0 10px;
}

.my_item .my_item_content .item_bootom .item_bootom_dian .swiper-pagination-bullet-active {
    background: #D71718;
    opacity: 1;
}




.b_news {
    padding: 44px 0 70px;
    background: url(../images/welcome/b_news.png) no-repeat;
    background-size: cover;
}

.b_news .news_content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.b_news .news_content .news_top {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-between;
    align-items: center;
}

.b_news .news_content .news_top h2 {
    font-size: 48px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
}

.b_news .news_content .news_top .top_row {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.b_news .news_content .news_top .top_row h4 {
    padding-left: 35px;
    padding-right: 30px;
    margin-right: 30px;
    font-size: 18px;
    line-height: 30px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #666666;
    border-right: 1px solid #DCDCDC;
    background: url(../images/welcome/b_3.png) no-repeat left center;
    background-size: 28px 21px;
}


.b_news .news_content .news_top .top_row h4:hover {
    color: #D71718;
    background: url(../images/welcome/b3.png) no-repeat left center;
    background-size: 28px 21px;
}

.b_news .news_content .news_top .top_row h4:last-child {
    padding-right: 0px;
    margin-right: 0px;
    border-right: none;
    background: url(../images/welcome/b4.png) no-repeat left center;
    background-size: 27px 23px;
}

.b_news .news_content .news_top .top_row h4:last-child:hover {
    background: url(../images/welcome/b_4.png) no-repeat left center;
    background-size: 27px 23px;
}

.b_news .news_content .news_min {
    margin: 40px 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
}

.b_news .news_content .news_min .news_column {

    display: flex;
    flex-direction: column;
    width: calc((100% - 200px) / 3);
    margin-right: 100px;
    margin-bottom: 0px;
    position: relative;
}

.b_news .news_content .news_min .news_column:nth-of-type(3n) {
    margin-right: 0;
}

.b_news .news_content .news_min .news_column .pic_but {
    padding: 50px 0;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.b_news .news_content .news_min .news_column .news_time {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.b_news .news_content .news_min .news_column .news_time h2 {
    font-size: 60px;
    font-family: Arial;
    font-weight: bold;
    color: #999999;
    line-height: 1;
}

.b_news .news_content .news_min .news_column .news_time h4 {
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #999999;
    line-height: 1;
}

.b_news .news_content .news_min .news_column .news_nr {
    margin: 0 0 70px;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.b_news .news_content .news_min .news_column .news_nr h2 {
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    margin-bottom: 25px;
    transition: .5s;
    line-height: 35px;
    height: 70px;

}

.b_news .news_content .news_min .news_column:hover .news_nr h2,
.b_news .news_content .news_min .news_column:hover .news_but .bx_news_time {
    color: #D71718;
}

.b_news .news_content .news_min .news_column .news_nr p {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.b_news .news_content .news_min .news_column .news_but {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.b_news .news_content .news_min .news_column .news_but .bx_news_time {
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #999999;
    line-height: 1;
    transition: .5s;
}

/* 
.b_news .news_content .news_min .news_column:hover .pic_but {
    display: none;
} */

.b_news .news_content .news_min .news_column .pic {
    position: relative;
    display: none;
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    height: 100%;
}

.b_news .news_content .news_min .news_column .pic img {
    height: 100%;
}

.b_news .news_content .news_min .news_column:hover .pic {
    display: block;
}

.b_news .news_content .news_min .news_column .pic .pic_time {
    width: 115px;
    height: 115px;
    background: #D71718;
    border-radius: 20px 0px 20px 0px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
}

.b_news .news_content .news_min .news_column .pic .pic_time h2 {
    font-size: 60px;
    font-family: Arial;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1;
}

.b_news .news_content .news_min .news_column .pic .pic_time h4 {
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #FFFFFF;
}






@media (max-width: 1701px) {
    .b_about .about_left .left_top {
        padding: 0 5%;
    }
}

@media (max-width: 1601px) {

    .mySwiper2 .pic .pic_po {
        width: 90%;
    }

    .mySwiper2 .pic .pic_po .po_name h2 {
        font-size: 40px;
    }

    .mySwiper2 .pic .pic_po .po_name .po_name_h2::after {
        height: 4px;
    }

    .mySwiper2 .pic .pic_po .po_name h4 {
        font-size: 20px;
    }

    .banner_swiper {
        right: 5%;
    }

    .b_about .about_left .left_top {
        padding: 0 10%;
    }

    .b_about .about_left .left_top h2,
    .b_business .business_row .business_left .left_top h2,
    .my_item .my_item_content h2,
    .b_news .news_content .news_top h2,
    .about_service .about_name h2 {
        font-size: 38px;
    }

    .b_about .about_left .left_top .left_top_p {
        margin: 35px 0;
    }

    .b_about .about_left .left_top .left_top_p p,
    .b_business .business_row .business_left .left_p,
    .about_service .about_name h5 {
        font-size: 14px;
        line-height: 28px;
    }

    .b_but {
        padding: 8px 30px;
        font-size: 14px;
    }

    .b_about .about_left .left_bootom {
        height: 143px;
    }

    .b_business .business_row .business_swiper .business_content .pic {
        margin-bottom: 30px;
    }

    .b_business .business_row .business_swiper .business_content p {
        font-size: 16px;
    }

    .b_news .news_content .news_min .news_column .news_time h2 {
        font-size: 50px;
    }

    .b_news .news_content .news_min .news_column .news_time h4 {
        font-size: 14px;
    }

    .b_news .news_content .news_min .news_column .news_nr {
        margin: 0 0 50px;
    }

    .b_news .news_content .news_min .news_column .news_nr h2 {
        font-size: 18px;
        margin-bottom: 22px;
        line-height: 30px;
        height: 60px;
        margin-bottom: 10px;
    }

    .b_news .news_content .news_min .news_column .news_nr p {
        font-size: 15px;
        line-height: 24px;
    }

    .b_news .news_content .news_min .news_column .news_but .bx_news_time {
        font-size: 14px;
    }
}



@media (max-width: 1501px) {
    .b_about .about_left .left_bootom {
        padding: 10px 70px 0 70px;
        height: 120px;
    }

    .b_about .about_left .left_bootom .bootom_column p {
        font-size: 16px;
    }

    .b_about .about_left .left_bootom .bootom_column p span {
        font-size: 40px;
    }

    .b_about .about_left .left_bootom .bootom_column h3 {
        font-size: 14px;
    }

    .b_business {
        padding: 70px 0 0;
    }



    .mySwiper2 .pic .pic_po .po_name h2 {
        font-size: 35px;

    }

    .mySwiper2 .pic .pic_po .po_name .po_name_h2 {
        padding-bottom: 20px;
        margin-bottom: 20px;
    }

    .mySwiper2 .pic .pic_po .po_name .po_name_h2::after {
        width: 80px;
    }

    .mySwiper2 .pic .pic_po .po_name h4 {
        font-size: 18px;
    }
}

@media (max-width: 1440px) {
    .mySwiper2 .pic .pic_po .po_name {
        padding: 25px;
        border-radius: 12px;
    }

    /* .mySwiper2 .pic .pic_po .po_name h2 {

    } */

    /* .mySwiper2 .pic .pic_po .po_name h4 {
        font-size: 16px;
    } */

    .b_about .about_left .left_top h2,
    .b_business .business_row .business_left .left_top h2,
    .my_item .my_item_content h2,
    .b_news .news_content .news_top h2,
    .about_service .about_name h2 {
        font-size: 34px;
    }

    .b_about .about_left .left_top .left_top_p {
        margin: 25px 0;
    }

    .b_news .news_content .news_min .news_column .pic .pic_time {
        width: 100px;
        height: 100px;
    }

    .b_news .news_content .news_min .news_column .pic .pic_time h2 {
        font-size: 45px;
    }

    .b_news .news_content .news_min .news_column .pic .pic_time h4 {
        font-size: 14px;
    }

    .b_news .news_content .news_min .news_column {
        width: calc((100% - 120px) / 3);
        margin-right: 60px;
    }
}


@media (max-width: 992px) {

    .banner_content,
    .mySwiper2 .pic img {
        height: auto;
    }


    .banner_content {
        padding-top: 80px;
    }

    .banner_swiper {
        width: 360px;
        bottom: 20px;
    }

    .b_about {
        margin-top: 60px;
        flex-direction: column;
    }

    .b_about .about_left {
        width: 100%;
    }

    .b_about .about_right {
        width: 100%;
    }

    .b_about .about_left .left_top {
        margin-bottom: 30px;
    }

    .b_business {
        padding: 20px 0 0;
    }

    .b_business .business_row {
        flex-direction: column;
    }

    .b_business .business_row .business_left {
        width: 100%;
        margin-bottom: 50px;
    }

    .b_business .business_row .business_right {
        width: 100%;
    }

    .my_item .my_item_content .item_min .item_swiper {
        width: 100%;
    }

    .b_news .news_content .news_min .news_column {
        width: calc((100% - 60px) / 3);
        margin-right: 30px;
    }



    .mySwiper2 .pic .pic_po .po_name {
        padding: 20px;
        border-radius: 12px;
    }

    .mySwiper2 .pic .pic_po .po_name h2 {
        font-size: 24px;
    }

    .mySwiper2 .pic .pic_po .po_name .po_name_h2 {
        padding-bottom: 15px;
        margin-bottom: 15px;
    }

    .mySwiper2 .pic .pic_po .po_name .po_name_h2::after {
        height: 2px;
        width: 40px;
    }


    .mySwiper2 .pic .pic_po .po_name h4 {
        font-size: 12px;
    }



    .my_item .my_item_content .item_min .item_swiper .pic .po_name {
        height: 46px;
        line-height: 46px;
        padding: 0 30px;
        font-size: 16px;
    }


    .mySwiper2 .swiper-button-next,
    .mySwiper2 .swiper-button-prev {
        display: none !important;
    }
}


@media (max-width: 600px) {




    .mySwiper2 .pic .pic_po {
        display: none;
    }

    .banner_content {
        padding-top: 64px;
    }

    .banner_swiper {
        width: 200px;
        bottom: 15px;
    }

    .b_about .about_left .left_top h2,
    .b_business .business_row .business_left .left_top h2,
    .my_item .my_item_content h2,
    .b_news .news_content .news_top h2,
    .about_service .about_name h2 {
        font-size: 26px;
    }

    .b_about {
        margin-top: 35px;
    }

    .b_about .about_left .left_top .left_top_p p,
    .b_business .business_row .business_left .left_p,
    .about_service .about_name h5 {
        font-size: 14px;
    }

    .b_about .about_left .left_bootom {
        padding: 20px;
        height: auto;
        flex-direction: column;
        align-items: flex-start;
    }

    .b_about .about_left .left_bootom .bootom_column {
        padding: 0;
        width: 100%;
        align-items: flex-start;
        margin-bottom: 15px;
    }

    .b_about .about_left .left_bootom .bootom_column:last-child {
        margin-bottom: 0;
    }

    .b_about .about_left .left_bootom .bootom_column p {
        /* font-size: 12px;
        padding: 0.5rem 0 0 0;
        flex-direction: column;
        align-items: center; */
    }

    .b_about .about_left .left_bootom .bootom_column p span {
        font-size: 38px;
    }

    .b_about .about_left .left_bootom .bootom_column p sup {
        top: 0;
        font-size: 2rem;
        padding: 0.5rem 0 0 0;
    }

    .b_about .about_left .left_bootom .bootom_column h3 {
        /* font-size: 12px;
        margin-top: 2px;
        line-height: 1.2;
        text-align: center; */
        font-size: 16px;
        line-height: 1.5;
    }

    .b_business {
        margin-top: 20px;
    }

    .b_business .business_row .business_left .left_p {
        margin: 40px 0 30px;
    }

    .b_business .business_row .business_swiper {
        flex-wrap: wrap;
    }

    .b_business .business_row .business_swiper .business_content {
        width: calc((100% - 40px) / 2);
        margin-right: 40px;
        margin-bottom: 40px;
    }

    .b_business .business_row .business_swiper .business_content:nth-of-type(2n) {
        margin-right: 0;
    }

    .b_business .business_row .business_swiper .business_content .pic {
        margin-bottom: 20px;
    }

    .b_business .business_row .business_swiper .business_content p {
        font-size: 14px;
    }

    .my_item {
        padding: 30px 0 40px;
    }

    .my_item .my_item_content .item_min {
        margin-top: 45px;
    }

    .my_item .my_item_content .item_min .item_swiper .item-prev,
    .my_item .my_item_content .item_min .item_swiper .item-next {
        width: 40px;
        height: 40px;
        margin-top: -20px;
        background-size: 40px 40px;
    }

    .b_news .news_content .news_top {
        flex-direction: column;
        align-items: flex-start;
    }

    .b_news .news_content .news_top .top_row {
        margin-top: 20px;
    }

    .b_news .news_content .news_min {
        flex-wrap: wrap;
    }

    .b_news .news_content .news_min .news_column {
        width: 100% !important;
        margin-right: 0 !important;
    }


    .my_item .my_item_content .item_min .item_swiper .pic,
    .my_item .my_item_content .item_min .item_swiper .pic img {
        /* border-radius: 8px; */
    }


    .my_item .my_item_content .item_min .item_swiper .pic .po_name {
        height: 30px;
        line-height: 30px;
        padding: 0 20px;
        font-size: 12px;
    }
}