.head {
    width: 1920px;
    // background-color: red;
    height: 5.6875rem;
    margin: 0 auto;
    display: flex;
    padding: 0 4.875rem 0 6.375rem;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;

    h1 {
        overflow: hidden;

        img {
            display: block;
            height: 2.8125rem;
            margin: 0 30px;
            margin-top: 5px;
            cursor: pointer;
        }
    }
    .red_bold{
        color: #C70009;
        font-weight: bold;
    }
    ul {
        width: 1132px;
        // margin-left: 7.1875rem;    
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;

        li {
            cursor: pointer;

            a {
                font-size: 1rem;
                font-family: Source Han Sans, Source Han Sans;
                font-weight: 400;
                color: #3D3D3D;
                line-height: 1.4375rem;
            }
        }

        .to_li {
            position: absolute;
            display: block;
            width: 40px;
            height: 5px;
            background: #C70009;
            border-radius: 49px 21px 0px 0px;
            bottom: -34px;
            left: 62%;
        }
    }

    ol {
        display: flex;

        // margin-left: 6.8125rem;
        li {
            cursor: pointer;
            font-size: 1rem;
            font-family: Source Han Sans, Source Han Sans;
            font-weight: 400;
            color: #3D3D3D;
            line-height: 3.5rem;

            &:nth-child(1) {
                margin-right: 1.625rem;
            }

            &:nth-child(2) {
                margin-right: 1.125rem;
            }

            img {
                width: .925rem;
                vertical-align: middle;
            }

            &:last-child {
                width: 6.5625rem;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
        }
    }
}

// banner图区域
.banner {
    position: relative;
    width: 1920px;
    margin: 0 auto;
    background: linear-gradient(360deg, rgba(53, 76, 150, 0.17) 0%, #354C96 100%);
    background-blend-mode: multiply;

    img {
        display: block;
        width: 100%;
        height: 633px;
    }

    div {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translateX(-50%) translateY(-50%);

        p {
            text-align: center;
            font-size: 64px;
            font-family: Source Han Sans, Source Han Sans;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 93px;

            &:last-child {
                font-size: 16px;
                font-family: Source Han Sans, Source Han Sans;
                font-weight: 700;
                color: #FFFFFF;
                line-height: 23px;
            }
        }
    }
}


// 切换区域
.change {
    width: 100%;

    .tab-container {
        width: 100%;
        overflow: hidden;
        margin: 0 auto;
    }

    /* 设置标签页选项卡的样式 */
    .tab {
        padding: 8px 16px;
        cursor: pointer;
        font-size: 16px;
        font-family: Source Han Sans, Source Han Sans;
        font-weight: 400;
        color: #3D3D3D;
        line-height: 23px;
    }

    /* 设置选中的标签页样式 */
    .active {
        color: #C70009;
        font-weight: bold;
    }

    /* 设置标签页内容的样式 */
    .tab-content {
        display: none;
        padding: 16px;
        background-color: #fff;
    }

    .content {
        margin-top: 50px;
        width: 100%;
    }

    .tag {
        border-bottom: 1px solid #E5E5E5;

        .main {
            margin: 0 auto;
            width: 81.25rem;
            padding: 36px 0px;
            display: flex;
            justify-content: space-evenly;
            position: relative;

            .tab_to {
                transition: all linear 200ms;
                position: absolute;
                width: 40px;
                height: 5px;
                background-color: #C70009;
                border-radius: 49px 21px 0px 0px;
                bottom: 0;
                left: 127.5px;
            }
        }
    }
}

// R&D CENTERS 研发中心
#tab1 {
    width: 81.25rem;
    margin: 0 auto;

    .des {
        width: 100%;
        background-color: #F7F7F9;
        border-radius: 10px 10px 10px 10px;
        margin-top: 44px;

        p {
            text-align: justify;
            width: 90%;
            // background-color: red;
            margin: 0 auto;
            font-size: 18px;
            padding: 30px 0px;
        }
    }

    .center_cont {
        width: 100%;
        height: 1140px;
        margin-top: 48px;
        position: relative;

        .tong {
            position: absolute;
            width: 740px;
            height: 977px;
            background-color: #F7F7F9;
            overflow: hidden;
            border-radius: 32px 32px 32px 32px;
            opacity: .5;
            transition: all 500ms linear;
            

            img {
                margin: 0 auto;
                display: block;
                width: 651.23px;
                margin-top: 43px;
            }

            p {
                margin: 0 auto;
                // display: block;
                width: 651.23px;
                text-align: justify;

                // margin-top: 43px;
                &:nth-child(2) {
                    font-size: 24px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 700;
                    color: #C70009;
                    line-height: 40px;
                    margin-top: 15px;

                    &::after {
                        content: "";
                        display: block;
                        width: 73px;
                        height: 2px;
                        background-color: #C70009;
                        margin-top: 15px;
                    }
                }

                &:last-child {
                    height: 250px;
                    font-size: 18px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 400;
                    color: #787878;
                    line-height: 40px;
                    padding-bottom: 30px;
                    padding-right: 20px;
                    margin-top: 24px;
                    overflow-y: auto;

                    &::-webkit-scrollbar {
                        width: 6px;
                        // height: 10px;
                        border-radius: 171px 171px 171px 171px;
                    }

                    &::-webkit-scrollbar-thumb {
                        background-color: #bf464c;
                        border-radius: 10px;
                    }

                    &::-webkit-scrollbar-track {
                        background: linear-gradient(180deg, #F0F0F0 0%, rgba(240, 240, 240, 0) 100%);
                        border-radius: 171px 171px 171px 171px;
                    }
                }
            }
        }

        .now {
            box-shadow: 40px 12px 109px 0px rgba(24, 35, 80, 0.15);
            z-index: 2;
            opacity: 1;
        }

        .two {
            position: absolute;
            right: 0;
            top: 80px;
            // padding-bottom: 30px;
        }
    }
}


// 标题样式
.title {
    font-size: 30px;
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 900;
    color: #3D3D3D;
    line-height: 56px;
    display: flex;
    align-items: center;

    &::before {
        content: "";
        display: inline-block;
        width: 6px;
        height: 56px;
        margin-right: 20px;
        background-color: #C70009;
    }
}

// SERVICE TEAM 团队
#tab2 {
    width: 81.25rem;
    margin: 0 auto;
    .fen_cont{
        width: 100%;
    }
    .team_cont {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin-top: 42px;
        overflow: hidden;

        .team_type {
            position: relative;
            width: 33%;
            height: 617.69px;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                url(../../imgs/team_lab/team_pic1.jpg) center center no-repeat;
            background-size: 100%;
            transition: all linear 500s;
            border-radius: 10px 10px 10px 10px;

            p {
                left: 50%;
                transform: translateX(-50%);
                position: absolute;
                width: 369.3px;
                margin: 0 auto;
                text-align: justify;
                transition: all linear 600ms;

                &:nth-child(2) {
                    font-size: 22px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 700;
                    color: #FFFFFF;
                    line-height: 46px;
                    text-align: center;
                    bottom: 40px;
                }

                &:nth-child(3) {
                    font-size: 18px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 500;
                    color: #FFFFFF;
                    line-height: 40px;
                    text-align: center;
                    left: -4000px;
                }


            }

            .top {
                position: absolute;
                top: 124px;
                left: -4000px;
                transform: translateX(-50%);
                transition: all linear 600ms;

                &::after {
                    content: "";
                    width: 57.6px;
                    height: 50.4px;
                    display: block;
                    background: url(../../imgs/team_lab/top_logo.png) center center no-repeat;
                    background-size: 100%;
                }
            }

            .bot_logo {
                position: absolute;
                bottom: 45px;
                left: -4000px;
                transform: translateX(-50%);
                transition: all linear 600ms;

                &::after {
                    content: "";
                    width: 25px;
                    height: 12px;
                    display: block;
                    background: url(../../imgs/team_lab/info_to_yellow.png) center center no-repeat;
                    background-size: 100%;
                }
            }

            &:hover {
                background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                    url(../../imgs/team_lab/team_pic1.jpg) center center no-repeat;
                background-size: 100%;
                // background-color: rgba(58, 75, 125, 0.74);
                background-blend-mode: multiply;
                box-shadow: 27px 21px 44px 0px rgba(24, 35, 80, 0.18);

                p {
                    &:nth-child(2) {
                        top: 205px;
                        color: #FCD106;
                    }

                    &:nth-child(3) {
                        bottom: 137px;
                        left: 50%;
                    }
                }

                .top {
                    left: 50%;
                }

                .bot_logo {
                    left: 50%;
                }
            }
        }

        .two {
            background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                url(../../imgs/team_lab/team_pic2.jpg) center center no-repeat;
            background-size: 100%;

            &:hover {
                background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                    url(../../imgs/team_lab/team_pic2.jpg) center center no-repeat;
                background-size: 100%;
                // background-color: rgba(21, 31, 62, 0.74);
                background-blend-mode: multiply;
            }
        }

        .thr {
            background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                url(../../imgs/team_lab/team_pic3.jpg) center center no-repeat;
            background-size: 100%;

            &:hover {
                background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                    url(../../imgs/team_lab/team_pic3.jpg) center center no-repeat;
                background-size: 100%;
                // background-color: rgba(136, 150, 200, 0.74);
                background-blend-mode: multiply;
            }
        }
    }
}

.team_detail_cont {
    width: 100%;

    .team_pic {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin-top: 46px;

        img {
            display: block;
            border-radius: 10px 10px 10px 10px;
        }

        .lef {
            width: 880px;
        }

        .rig {
            width: 374.5px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;

            img {
                width: 100%;
            }
        }
    }

    .bot_swiper {
        width: 100%;
        position: relative;
        margin-top: 55px;
        overflow: hidden;

        .lef {
            width: 998.28px;
            // height: 641.31px;
            padding-bottom: 30px;
            background-color: #F7F7F9;
            border-radius: 10px 10px 10px 10px;
            overflow: hidden;

            span {
                position: absolute;
                width: 616.92px;
                backdrop-filter: blur(2px);
                height: 80px;
                bottom: 20px;
                left: 0;
            }

            p {
                margin-left: 42px;
                width: 650.92px;
                text-align: justify;

                &:nth-child(1) {
                    font-size: 24px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 700;
                    color: #C70009;
                    line-height: 56px;
                    margin-top: 20px;

                    &::after {
                        content: "";
                        display: block;
                        width: 73px;
                        height: 2px;
                        background-color: #C70009;
                    }
                }

                &:nth-child(2) {
                    position: relative;
                    font-size: 18px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 400;
                    color: #787878;
                    line-height: 40px;
                    margin-top: 15px;
                    height: 516px;
                    padding-right: 45px;
                    overflow-y: auto;

                    &::-webkit-scrollbar {
                        width: 6px;
                        // height: 10px;
                        border-radius: 171px 171px 171px 171px;
                    }

                    &::-webkit-scrollbar-thumb {
                        background-color: #bf464c;
                        border-radius: 10px;
                    }

                    &::-webkit-scrollbar-track {
                        background: linear-gradient(180deg, #F0F0F0 0%, rgba(240, 240, 240, 0) 100%);
                        border-radius: 171px 171px 171px 171px;
                    }

                }
            }
        }

        .rig_swiper {
            width: 531px;
            position: absolute;
            top: 74px;
            // bottom: 70px;
            right: 0;
            border-radius: 10px 10px 10px 10px;
        }
    }
}


// LABORATORY 实验室
#tab3 {
    width: 81.25rem;
    margin: 0 auto;

    .s {
        display: block !important;
        margin-top: 46px;
        margin-bottom: 70px;
    }

    .slide {
        height: 407px !important;
        padding-right: 20px;
        // height: 0;
        &::-webkit-scrollbar {
            width: 6px;
            // height: 10px;
            border-radius: 171px 171px 171px 171px;
        }

        &::-webkit-scrollbar-thumb {
            background-color: #bf464c;
            border-radius: 10px;
        }

        &::-webkit-scrollbar-track {
            background: linear-gradient(180deg, #F0F0F0 0%, rgba(240, 240, 240, 0) 100%);
            border-radius: 171px 171px 171px 171px;
        }
    }

    .slide_bot {
        width: 651.92px;
    }

    // 实验室下方分框区域
    .lab_six {
        width: 100%;
        margin-top: 33px;
        a{
            display: flex;
            justify-content: flex-start;
            align-items: center;
        }
        .img_a{
            display: block;
            height: 148px;
            margin-right: 10px;
            border-radius: 10px;
        //    position: relative;
        //     left: 0;
        }
        .lab_fen {
            width: 100%;
            height: 148px;
            border-radius: 10px 10px 10px 10px;
            opacity: 1;
            border: 1px solid rgba(53, 76, 150, 0.33);
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #FFFFFF;
            transition: all linear 500ms;
            margin-top: 3px;

            &:hover {
                background: url(../../imgs/team_lab/lab_pic2.jpg) center center no-repeat;
                background-size: 100% 100%;

                p {
                    color: #FFFFFF;
                }
            }

            p {
                font-size: 20px;
                font-family: Source Han Sans, Source Han Sans;
                font-weight: 700;
                color: #787878;
                line-height: 46px;
                text-align: center;
            }
        }
    }

    .lab_detail_cont {
        width: 100%;

        .team_pic {
            width: 100%;
            display: flex;
            justify-content: space-between;
            margin-top: 46px;

            img {
                display: block;
                border-radius: 10px 10px 10px 10px;
            }

            .lef {
                width: 880px;
            }

            .rig {
                width: 374.5px;
                display: flex;
                flex-direction: column;
                justify-content: space-between;

                img {
                    width: 100%;
                }
            }
        }

        .bot_swiper {
            width: 100%;
            position: relative;

            .lef {
                width: 100%;
                // height: 681.74px;
                background-color: #F7F7F9;
                border-radius: 10px 10px 10px 10px;

                p {
                    margin-left: 42px;
                    width: 1169.1px;
                    text-align: justify;
                    padding-bottom: 20px;

                    &:nth-child(1) {
                        font-size: 24px;
                        font-family: Source Han Sans, Source Han Sans;
                        font-weight: 700;
                        color: #C70009;
                        line-height: 56px;
                        margin-top: 20px;

                        &::after {
                            content: "";
                            display: block;
                            width: 73px;
                            height: 2px;
                            background-color: #C70009;
                        }
                    }

                    &:nth-child(2) {
                        position: relative;
                        font-size: 18px;
                        font-family: Source Han Sans, Source Han Sans;
                        font-weight: 400;
                        color: #787878;
                        line-height: 43px;
                        margin-top: 15px;
                        // padding-right: 20px;
                        height: 516px;
                    }
                }
            }
        }
    }
}

//   MULTIPILE MUD STATIONS 泥浆站
#tab4 {
    width: 81.25rem;
    margin: 0 auto;

    .stations_cont {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin-top: 42px;

        .stations_type {
            position: relative;
            width: 33%;
            height: 617.69px;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                url(../../imgs/team_lab/stations_pic1.jpg) center center no-repeat;
            background-size: 100%;
            transition: all linear 1s;
            border-radius: 10px 10px 10px 10px;

            p {
                left: 50%;
                transform: translateX(-50%);
                position: absolute;
                width: 369.3px;
                margin: 0 auto;
                text-align: justify;
                transition: all linear 800ms;

                &:nth-child(2) {
                    font-size: 22px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 700;
                    color: #FFFFFF;
                    line-height: 46px;
                    text-align: center;
                    bottom: 40px;
                }

                &:nth-child(3) {
                    font-size: 18px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 500;
                    color: #FFFFFF;
                    line-height: 40px;
                    text-align: center;
                    left: -4000px;
                }


            }

            .top {
                position: absolute;
                top: 124px;
                left: -4000px;
                transform: translateX(-50%);
                transition: all linear 800ms;

                &::after {
                    content: "";
                    width: 57.6px;
                    height: 50.4px;
                    display: block;
                    background: url(../../imgs/team_lab/stations_logo.png) center center no-repeat;
                    background-size: 100%;
                }
            }

            .bot_logo {
                position: absolute;
                bottom: 45px;
                left: -4000px;
                transform: translateX(-50%);
                transition: all linear 800ms;

                &::after {
                    content: "";
                    width: 25px;
                    height: 12px;
                    display: block;
                    background: url(../../imgs/team_lab/info_to_yellow.png) center center no-repeat;
                    background-size: 100%;
                }
            }

            &:hover {
                background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                    url(../../imgs/team_lab/stations_pic1.jpg) center center no-repeat;
                background-size: 100%;
                // background-color: rgba(21, 31, 62, 0.74);
                background-blend-mode: multiply;
                box-shadow: 27px 21px 44px 0px rgba(24, 35, 80, 0.18);

                p {
                    &:nth-child(2) {
                        top: 205px;
                        color: #FCD106;
                    }

                    &:nth-child(3) {
                        bottom: 137px;
                        left: 50%;
                    }
                }

                .top {
                    left: 50%;
                }

                .bot_logo {
                    left: 50%;
                }
            }
        }

        .two {
            background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                url(../../imgs/team_lab/stations_pic2.jpg) center center no-repeat;
            background-size: 100%;

            &:hover {
                background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                    url(../../imgs/team_lab/stations_pic2.jpg) center center no-repeat;
                background-size: 100%;
                // background-color: rgba(21, 31, 62, 0.74);
                background-blend-mode: multiply;
            }
        }

        .thr {
            background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                url(../../imgs/team_lab/stations_pic3.jpg) center center no-repeat;
            background-size: 100%;

            &:hover {
                background: linear-gradient(180deg, rgba(30, 43, 95, 0) 0%, rgba(30, 43, 95, 0.55) 100%),
                    url(../../imgs/team_lab/stations_pic3.jpg) center center no-repeat;
                background-size: 100%;
                // background-color: rgba(84, 85, 88, 0.74);
                background-blend-mode: multiply;
            }
        }
    }

    .stations_detail_cont {
        width: 100%;

        .team_pic {
            width: 100%;
            display: flex;
            justify-content: space-between;
            margin-top: 46px;

            img {
                display: block;
                border-radius: 10px 10px 10px 10px;
            }

            .lef {
                width: 880px;
            }

            .rig {
                width: 374.5px;
                display: flex;
                flex-direction: column;
                justify-content: space-between;

                img {
                    width: 100%;
                }
            }
        }

        .bot_swiper {
            width: 100%;
            position: relative;

            .lef {
                width: 100%;
                // height: 246.62px;
                background-color: #F7F7F9;
                border-radius: 10px 10px 10px 10px;
                overflow: hidden;
                margin-top: 20px;

                p {
                    margin-left: 42px;
                    width: 1170.88px;
                    text-align: justify;

                    &:nth-child(1) {
                        font-size: 24px;
                        font-family: Source Han Sans, Source Han Sans;
                        font-weight: 700;
                        color: #C70009;
                        line-height: 56px;
                        margin-top: 15px;

                        &::after {
                            content: "";
                            display: block;
                            width: 73px;
                            height: 2px;
                            background-color: #C70009;
                        }
                    }

                    &:nth-child(2) {
                        position: relative;
                        font-size: 18px;
                        font-family: Source Han Sans, Source Han Sans;
                        font-weight: 400;
                        color: #787878;
                        line-height: 43px;
                        padding-top: 15px;
                        padding-bottom: 15px;
                        // height: 600px;
                    }
                }
            }
        }
    }
}

// ACADEMIC EXCHANGE 学术交流
#tab5 {
    width: 81.25rem;
    margin: 0 auto;

    .aca_info {
        width: 100%;
        background-color: #F7F7F9;
        border-radius: 10px 10px 10px 10px;
        margin-top: 30px;
        overflow: hidden;

        p {
            width: 1162.3px;
            margin: 0 auto;

            &:nth-child(1) {
                font-size: 24px;
                font-family: Source Han Sans, Source Han Sans;
                font-weight: 700;
                color: #C70009;
                line-height: 56px;
                margin-top: 20px;

                &::after {
                    content: "";
                    display: block;
                    width: 73px;
                    height: 2px;
                    background-color: #C70009;
                }
            }

            &:nth-child(2) {
                font-size: 18px;
                font-family: Source Han Sans, Source Han Sans;
                font-weight: 400;
                color: #787878;
                line-height: 26px;
                margin-top: 18px;
                margin-bottom: 4px;
                text-align: justify;
            }

            &:nth-child(3) {
                font-size: 18px;
                font-family: Source Han Sans, Source Han Sans;
                font-weight: 400;
                color: #787878;
                line-height: 43px;
                position: relative;
                margin-bottom: 20px;

                span {
                    font-size: 18px;
                    font-family: Source Han Sans, Source Han Sans;
                    font-weight: 500;
                    color: #C70009;
                    line-height: 17px;

                    &:nth-child(2) {
                        font-size: 18px;
                        font-family: Source Han Sans, Source Han Sans;
                        font-weight: 400;
                        color: #787878;
                        line-height: 17px;
                        margin-left: 30px;
                    }
                }

                &::after {
                    cursor: pointer;
                    content: "";
                    display: inline-block;
                    width: 25px;
                    height: 12px;
                    background: url(../../imgs/team_lab/info_to.png) center center no-repeat;
                    background-size: 100%;
                    position: absolute;
                    right: 0;
                    top: 50%;
                    transform: translateY(-50%);
                }
            }
        }
    }
}