/*顶部轮播图*/
#swiper_top {
    width: 100%;
}
#swiper_top .swiper-slide img{
    width: 100%;
    height: auto;
    display: block;
}
#swiper_top .swiper-slide .text_box{
    position: absolute;
    top: 50%;
    left: 193px;
    transform: translate(0, -50%);
}
#swiper_top .swiper-slide .text_box .title{
    width: 181px;
    font-size: 30px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 32px;
}
#swiper_top .swiper-slide .text_box .text{
    margin-top: 24px;
    font-size: 15px;
    font-family: OPPOSans-H, OPPOSans;
    font-weight: normal;
    color: #FFFFFF;
    opacity: 0.35;
}
#swiper_top .swiper-pagination.swiper-pagination-bullets{
    text-align: unset;
    padding-left: 193px;
    width: calc(100% - 193px);
}
#swiper_top .swiper-pagination-bullet {
    width: 81px;
    height: 2px;
    opacity: 0.68;
    background: #FFFFFF;
    border-radius: unset;
}

#swiper_top .swiper-pagination-bullet-active {
    opacity: 1;
    height: 5px;
}
#swiper_top .swiper-button-prev {
    width: 32px;
    height: 32px;
    left: 119px;
}
#swiper_top .swiper-button-next {
    width: 32px;
    height: 32px;
    right: 119px;
}

/*红色分割线样式*/
.head_line{
    width: 100%;
    height: 1px;
    background: #CDCDCD;
    position: relative;
}
.head_line:after{
    content: "";
    width: 110px;
    height: 2px;
    background: #C7272B;
    position: absolute;
    left: 0;
    bottom: 0;
}

/*介绍部分样式 ABOUT OUR ENTERPRISE*/
.introduction_box{
    width: 100%;
    height: 683px;
    background: #F8F5F5;
    overflow: hidden;
}
.introduction_box .headline{
    margin-top: 51px;
    margin-left: 5px;
    margin-bottom: 25px;
    font-size: 20px;
    font-family: OPPOSans-H, OPPOSans;
    font-weight: normal;
    color: #000000;
}
.introduction_content{
    display: flex;
    position: relative;
}
.introduction_content .white_bg{
    position: absolute;
    top: 51px;
    left: 220px;
    width: 100%;
    height: 462px;
    background: #FFFFFF;
    z-index: 0;
}
.introduction_content .introduction_img {
    display: flex;
    margin-top: 113px;
    z-index: 1;
}
.introduction_content .introduction_img img {
    width: 189px;
    height: 330px;
}
.introduction_content .introduction_text {
    margin-left: 59px;
    margin-top: 131px;
    z-index: 0;
}
.introduction_content .introduction_text .title{
    width: 249px;
    font-size: 23px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #272727;
    line-height: 24px;
}
.introduction_content .introduction_text .text{
    margin-top: 25px;
    width: 403px;
    height: 131px;
    font-size: 14px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #636363;
}
.introduction_content .introduction_text a.button_more{
    margin-top: 72px;
}


/*我们的产品*/
.product_box{
    width: 100%;
    padding-bottom: 79px;
}
.product_box .headline_box{
    display: flex;
    align-items: center;
    margin-top: 32px;
    margin-bottom: 14px;
}
.product_box .headline_box .headline{
    font-size: 23px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #000000;
    flex-shrink: 0;
}
.product_box .headline_box .button_head{
    width: 95px;
    height: 31px;
    line-height: 31px;
    text-align: center;
    margin-left: 38px;
    font-size: 14px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #000000;
    cursor: pointer;
}
.product_box .headline_box .button_head + .button_head{
    margin-left: 9px;
}
.product_box .headline_box .button_head.active{
    background: #1A538F;
    box-shadow: 0px 10px 19px 0px rgba(189,198,207,1);
    border-radius: 15px;
    color: #FFFFFF;
}
.product_box .product_list {
    display: flex;
    flex-wrap: wrap;
    margin-top: 25px;
}
.product_box .product_list .product_item {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 10px;
    width: 293px;
    height: 293px;
    background: #F4F4F4;
    border-radius: 5px;
    border: 1px solid #EAEAEA;
    overflow: hidden;
}
.product_box .product_list .product_item + .product_item {
    margin-left: 8px;
}
.product_box .product_list .product_item:nth-child(4n+1){
    margin-left: 3px;
}
.product_box .product_list .product_item>img {
    width: 236px;
    height: 236px;
}
.product_box .product_list .product_item .product_hover {
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(4, 23, 42, 0.63);
}
.product_box .product_list .product_item:hover .product_hover {
    display: block;
}
.product_box .product_list .product_item .product_hover .title{
    width: 170px;
    margin-top: 32px;
    margin-left: 30px;
    font-size: 17px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
}
.product_box .product_list .product_item .product_hover .split_line{
    margin-top: 24px;
    margin-left: 30px;
    width: 84px;
    height: 1px;
    background: #FFFFFF;
}
.product_box .product_list .product_item .product_hover .product_button{
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 71px;
    background: rgba(4, 23, 42, 0.63);
    border-radius: 0px 0px 5px 5px;
    padding: 0 23px 0 34px;
    font-size: 15px;
    font-family: SourceHanSansCN-Bold, SourceHanSansCN;
    font-weight: bold;
    color: #FFFFFF;
    cursor: pointer;
}
.product_box .product_list .product_item .product_hover .product_button>img{
    width: 8px;
    height: 12px;
}


/*微反应装置搭建*/
.reactor_box{

}
.reactor_box .reactor_head{
    display: flex;
    justify-content: center;
    width: 100%;
    height: 160px;
    background: rgba(248, 245, 245, 0.76);
}
.reactor_box .reactor_head .center_content{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.reactor_box .reactor_head .title{
    font-size: 23px;
    font-family: SourceHanSansCN-Bold, SourceHanSansCN;
    font-weight: bold;
    color: #272727;
}
.reactor_box .reactor_content{
    width: 100%;
    background: #ECECEC;
    border-radius: 0px 0px 12px 12px;
    padding-top: 51px;
    padding-bottom: 39px;
}
.reactor_box .reactor_content .swiper_box{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.reactor_box .reactor_content .swiper_button_prev{
    width: 32px;
    height: 32px;
    cursor: pointer;
}
.reactor_box .reactor_content .swiper_button_next{
    width: 32px;
    height: 32px;
    cursor: pointer;
}
.reactor_box .reactor_content .swiper_box #swiper_reactor{
    width: 1015px;
}
#swiper_reactor .swiper-slide>img{
    width: 242px;
    height: 304px;
    display: block;
}
#swiper_reactor .swiper-slide:hover .reactor_hover{
    display: flex;
}
#swiper_reactor .swiper-slide .reactor_hover{
    display: flex;
    align-items: center;
    justify-content: center;
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(4, 23, 42, 0.63);
}
#swiper_reactor .swiper-slide .reactor_hover>.title {
    font-size: 17px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
}
#swiper_reactor .swiper-slide .reactor_hover .product_button{
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 57px;
    background: rgba(4, 23, 42, 0.63);
    border-radius: 0px 0px 4px 4px;
    padding: 0 22px;
    font-size: 12px;
    font-family: SourceHanSansCN-Bold, SourceHanSansCN;
    font-weight: bold;
    color: #FFFFFF;
    cursor: pointer;
}
#swiper_reactor .swiper-slide .reactor_hover .product_button>img{
    width: 8px;
    height: 12px;
}

.reactor_box .reactor_content .reactor_text {
    margin-top: 39px;
    margin-left: 100px;
    display: none;
}
.reactor_box .reactor_content .reactor_text .title {
    font-size: 21px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #000000;
}
.reactor_box .reactor_content .reactor_text .text {
    margin-top: 15px;
    font-size: 14px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #484848;
    word-break: break-all;
    text-overflow: ellipsis;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2; /* 这里是超出几行省略 */
}
.reactor_box .reactor_content .reactor_text .text img {
    max-width: 100%;
}

/*技术服务*/
.technical_box{
    width: 100%;
    padding-top: 35px;
    height: calc(541px - 35px);
    background: url("../../images/web/technical_bg.png") no-repeat center center;
    background-size: cover;
}
.technical_box .technical_head{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 0;
    border-bottom: 1px solid #CDCDCD;
}
.technical_box .technical_head .title{
    font-size: 23px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #272727;
}
.technical_box .technical_content{
    margin-top: 89px;
    display: flex;
    justify-content: space-between;
}
.technical_box .technical_content .technical_list{

}
.technical_box .technical_content .technical_list .technical_item{
    display: flex;
    align-items: center;
    padding-left: 33px;
    padding-right: 17px;
    width: calc(389px - 33px - 17px);
    height: 69px;
    background: #FFFFFF;
    cursor: pointer;
}
.technical_box .technical_content .technical_list .technical_item + .technical_item{
    margin-top: 9px;
}
.technical_box .technical_content .technical_list .technical_item .technical_text{

}
.technical_box .technical_content .technical_list .technical_item .technical_text>.title{
    font-size: 14px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #000000;
}
.technical_box .technical_content .technical_list .technical_item .technical_text>.text{
    margin-top: 5px;
    font-size: 9px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #8D8D8D;
}
.technical_box .technical_content .technical_list .technical_item .right_arrow{
    margin-left: auto;
    width: 8px;
    height: 12px;
    background: url("../../images/web/common/right_blue.png") no-repeat center center;
    background-size: 100% 100%;
}
.technical_box .technical_content .technical_list .technical_item.active{
    background: url("../../images/web/technical_item_bg.png") no-repeat center center;
    background-size: 100% 100%;
}
.technical_box .technical_content .technical_list .technical_item.active .technical_text>.title{
    color: #FFFFFF;
}
.technical_box .technical_content .technical_list .technical_item.active .technical_text>.text{
    color: #FFFFFF;
    opacity: 0.58;
}
.technical_box .technical_content .technical_list .technical_item.active .right_arrow{
    background: url("../../images/web/common/right_white.png") no-repeat center center;
    background-size: 100% 100%;
}

.technical_box .technical_content .technical_file_box{
    width: calc(807px - 46px);
    height: calc(224px - 30px);
    padding: 35px 30px 0 16px;
    background: #FFFFFF;
    border: 1px solid #F2F2F2;
}
.technical_box .technical_content .technical_file_box #swiper_technical{
    width: 100%;
    height: 144px;
}
#swiper_technical .swiper-slide .file_item{
    display: flex;
    width: 247px;
    height: 142px;
    background: #FFFFFF;
    border: 1px solid #D7D7D7;
    position: relative;
}
#swiper_technical .swiper-slide .file_item .file_pic{
    margin-top: 6px;
    margin-left: 8px;
    width: 90px;
    height: 130px;
}
#swiper_technical .swiper-slide .file_item .title{
    margin-left: 19px;
    margin-top: 20px;
    width: 97px;
    font-size: 12px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #000000;
}
#swiper_technical .swiper-slide .file_item .file_download{
    position: absolute;
    right: 12px;
    bottom: 9px;
    width: 23px;
    height: 23px;
    display: block;
    cursor: pointer;
}
.technical_box .technical_content .technical_file_box .file_button_box{
    display: flex;
    align-items: center;
    height: 48px;
}
.technical_box .technical_content .technical_file_box .file_button_box img{
    width: 6px;
    height: 10px;
}
.technical_box .technical_content .technical_file_box .file_button_box .file_left_button{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    width: 26px;
    height: 26px;
    background: #1A538F;
    border-radius: 100%;
    cursor: pointer;
}
.technical_box .technical_content .technical_file_box .file_button_box .file_right_button{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 5px;
    margin-right: 8px;
    width: 26px;
    height: 26px;
    background: #000000;
    border-radius: 100%;
    cursor: pointer;
}


/*优信学堂*/
.school_box{
    background: #FFFFFF;
}
.school_box>.center_content{
    height: 122px;
    line-height: 122px;
    font-size: 23px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #272727;
}
.school_box .school_content{
    width: 100%;
    height: calc(440px - 63px);
    padding-top: 63px;
    background: url("../../images/web/school_box_bg.png") no-repeat center center;
    background-size: cover;
}
.school_box .school_content .school_blue{
    display: flex;
    width: 100%;
    height: 330px;
    background: url("../../images/web/school_blue_bg.png") no-repeat center center;
    background-size: 100% 100%;
}
.school_box .school_content .school_blue .school_text_box{
    margin-top: 73px;
    margin-left: 91px;
}
.school_box .school_content .school_blue .school_text_box .text_head{
    display: flex;
    align-items: center;
}
.school_box .school_content .school_blue .school_text_box .text_head>img{
    width: 42px;
    height: 42px;
}
.school_box .school_content .school_blue .school_text_box .text_head>.title{
    margin-left: 8px;
    font-size: 23px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
}
.school_box .school_content .school_blue .school_text_box>.text{
    margin-top: 10px;
    margin-left: 8px;
    width: 440px;
    font-size: 12px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #A9C0D2;
}
.school_box .school_content .school_blue .school_text_box>.look_teach{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
    margin-left: 8px;
    width: 106px;
    height: 36px;
    background: #275C95;
    border-radius: 21px;
    font-size: 12px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #FFFFFF;
    cursor: pointer;
}
.school_box .school_content .school_blue .school_video_box{
    margin-top: 60px;
    margin-left: auto;
    margin-right: 100px;
    width: 377px;
    height: 212px;
    background: url("../../images/web/school_video.jpg") no-repeat center center;
    background-size: 100% 100%;
    position: relative;
}
.school_box .school_content .school_blue .school_video_box video{
    width: 100%;
    height: 100%;
}
.school_box .school_content .school_blue .school_video_box img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 42px;
    height: 42px;
}


/*新闻资讯*/
.news_box {
    background: #FFFFFF;
}
.news_box .news_head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 150px;
}
.news_box .news_head>.title {
    font-size: 23px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #272727;
}
.news_box .news_content {
    display: flex;
    padding-bottom: 54px;
    flex-wrap: wrap;
}
.news_box .news_content .news_item {
    width: 264px;
}
.news_box .news_content .news_item + .news_item {
    margin-left: 51px;
}
.news_box .news_content .news_item:nth-child(4n+1){
    margin-left: 0px;
}
.news_box .news_content .news_item .news_pic {
    width: 264px;
    height: 198px;
    display: block;
}
.news_box .news_content .news_item .news_date {
    height: 35px;
    line-height: 35px;
    border-bottom: 1px solid #D8D8D8;
}
.news_box .news_content .news_item .news_date>.text {
    font-size: 11px;
    font-family: SourceHanSansCN-Bold, SourceHanSansCN;
    font-weight: bold;
    color: #000000;
}
.news_box .news_content .news_item .news_date>.date {
    margin-left: 6px;
    font-size: 11px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #636363;
}
.news_box .news_content .news_item .news_title {
    margin-top: 17px;
    font-size: 15px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #272727;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.news_box .news_content .news_item .news_text {
    margin-top: 9px;
    width: 227px;
    font-size: 12px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #636363;
    word-break: break-all;
    text-overflow: ellipsis;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    max-height: 52px;
}
.news_box .news_content .news_item .news_text img {
    max-width: 100%;
}


/*合作单位*/
.brand_box{
    width: 100%;
    height: 240px;
    background: #F1F3F4;
}
.brand_box>.center_content{
    display: flex;
    align-items: center;
}
.brand_box .swiper_box{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.brand_box .swiper_box .file_left_button{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: #1A538F;
    border-radius: 100%;
    cursor: pointer;
}
.brand_box .swiper_box .file_left_button>img{
    width: 6px;
    height: 10px;
}
.brand_box .swiper_box .file_right_button{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 5px;
    margin-right: 8px;
    width: 26px;
    height: 26px;
    background: #000000;
    border-radius: 100%;
    cursor: pointer;
}
.brand_box .swiper_box .file_right_button>img{
    width: 6px;
    height: 10px;
}
.brand_box .swiper_box #swiper_brand{
    width: 1120px;
}
#swiper_brand .swiper-slide>img{
    width: 153px;
    height: 78px;
}