.body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.banner {
    width: 100%;
    height: 63vw;
    background: url('../images/banner2_2021_cn_m.jpg?20200814') center 0/100% 100% no-repeat;
}
.banner_en {
    width: 100%;
    height: 63vw;
    min-width: 375px;
    min-height: 236px;
    background: url('../images/banner2_2021_en_m.jpg?20200814') center 0/100% 100% no-repeat;
}

.main_box {
    width: 100%;
    height: fit-content;
}

.aboutus {
    width: 100%;
    height: fit-content;
}

.aboutus_wrap {
    width: 100%;
    height: fit-content;
}

.aboutus_title {
    width: 100%;
    height: fit-content;
    font-size: 18px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: left;
    color: #000000;
    line-height: 25px;
    margin: 18px 0;
    box-sizing: border-box;
    padding: 0 19px;
}

.aboutus_part_1 {
    width: 100%;
    height: fit-content;
    font-size: 15px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: left;
    color: #333333;
    line-height: 24px;
    box-sizing: border-box;
    padding: 0 19px;
}

.aboutus_part_2 {
    width: 100%;
    height: fit-content;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 40px;
    background-color: #F8F8F8;
}

.aboutus_part_2_top {
    width: 97%;
    height: 49vw;
    background: url('../images/aboutus_map.png?20200814') center 0/100% 100% no-repeat;
}

.aboutus_part_2_bottom {
    width: 100%;
    height: fit-content;
    overflow: hidden;
    position: relative;
}

.aboutus_part_2_bottom_content {
    width: 100%;
    height: fit-content;
    padding-bottom: 30px;
}

.aboutus_part_2_bottom_item {
    width: 100%;
    height: fit-content;
    box-sizing: border-box;
    padding: 0 19px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.aboutus_part_2_bottom_item_title {
    font-size: 18px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: center;
    line-height: 10px;
    box-sizing: border-box;
    padding: 19px 0;
}

.about_item__title-308ce4 {
    color: #308ce4;
}

.about_item__title-aa50c1 {
    color: #aa50c1;
}

.about_item__title-31aaab {
    color: #31aaab;
}

.aboutus_part_2_bottom_item_text {
    font-size: 15px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: justify;
    color: #333333;
    line-height: 22px;
    margin-bottom: 4px;
}

.culture {
    width: 100%;
    height: fit-content;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.culture_wrap {
    width: 100%;
    font-size: 15px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: justify;
    color: #000000;
    line-height: 22px;
}

.culture_title {
    font-size: 18px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: left;
    color: #000000;
    line-height: 25px;
    padding: 0 19px;
    margin: 19px 0;
    box-sizing: border-box;
}

.culture_part_1 {
    width: 100%;
    box-sizing: border-box;
    padding: 0 19px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.culture_part_1_right {
    width: 100%;
    height: fit-content;
}

.culture_part_1_right_cont {
    width: 100% !important;
    height: fit-content !important;
    padding-bottom: 40px;
}

.culture_part_1_right_slide {
    width: 100%;
    height: 67.8vw;
}

.culture_part_1_right_slide_1 {
    background: url('../images/culture2021_1.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_2 {
    background: url('../images/culture2021_2.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_3 {
    background: url('../images/culture2021_3.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_4 {
    background: url('../images/culture2021_4.jpg?20210301') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_5 {
    background: url('../images/culture2021_5.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_6 {
    background: url('../images/culture6.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_7 {
    background: url('../images/culture7.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_8 {
    background: url('../images/culture8.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_1_right_slide_9 {
    background: url('../images/culture9.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2 {
    width: 100%;
    box-sizing: border-box;
    padding: 0 19px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.culture_part_2_right_content {
    width: 100%;
    height: fit-content;
    padding: 19px 0;
    box-sizing: border-box;
}

.culture_part_2_left {
    width: 100%;
    height: fit-content;
}

.culture_part_2_left_cont {
    width: 100% !important;
    height: fit-content !important;
    padding-bottom: 40px;
}

.culture_part_2_left_slide {
    width: 100%;
    height: 67.8vw;
}

.culture_part_2_left_slide_1 {
    background: url('../images/env2021_1.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_2 {
    background: url('../images/env2021_2.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_3 {
    background: url('../images/env2021_3.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_4 {
    background: url('../images/env2021_4.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_5 {
    background: url('../images/env2021_5.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_6 {
    background: url('../images/env2021_6.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_7 {
    background: url('../images/env7.jpg?20200814') left 0/100% 100% no-repeat;
}

.culture_part_2_left_slide_8 {
    background: url('../images/env8.jpg?20200814') left 0/100% 100% no-repeat;
}

.welfare {
    width: 100%;
    height: fit-content;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.welfare_wrap {
    width: 100%;
    height: fit-content;
}

.welfare_title {
    font-size: 18px;
    font-family: Source Han Sans CN Regular, Source Han Sans CN Regular-Regular;
    font-weight: 400;
    text-align: left;
    color: #000000;
    line-height: 25px;
    padding: 0 19px;
    margin: 19px 0;
    box-sizing: border-box;
}

.welfare_content {
    width: 100%;
    height: fit-content;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.welfare_item {
    width: 45vw;
    height: 30vw;
}

.welfare_item_1 {
    background: url('../images/web_welfare_1.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_2 {
    background: url('../images/web_welfare_2.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_3 {
    background: url('../images/web_welfare_3.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_4 {
    background: url('../images/web_welfare_4.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_5 {
    background: url('../images/web_welfare_5.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_6 {
    background: url('../images/web_welfare_6.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_7 {
    background: url('../images/web_welfare_7.png?20200814') left 0/100% 100% no-repeat;
}

.welfare_item_8 {
    background: url('../images/web_welfare_8.png?20200814') left 0/100% 100% no-repeat;
}

.footer {
    background-color: #f8f8f8;
    min-height: 109px;
    height: fit-content;
    width: 100%;
    font-size: 7px;
    color: #999999;
    text-align: center;
    padding: 42px 10px 10px 10px;
    box-sizing: border-box;
}