* {
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: 100%;
    position: relative;
    color: #333;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

input,
textarea {
    border: none;
    outline: none;
    width: 100%;
    height: 100%;
    resize: none;
    background-color: rgba(255, 255, 255, 0);
}

img {
    max-width: 100%;
}

.jiegou {
    max-width: 1500px;
    width: 100%;
    margin: 0 auto;
}

.duichen {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.fensan {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.chu {
    display: flex !important;
}

.xian {
    display: block !important;
}

.xiao {
    display: none !important;
}

.root {
    color: #595757;
}
/* 手机端导航 */
.mobileNav {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: 100%;
    display: none;
}

.yinying {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .7);
}

.mobileNav-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 100%;
    background-color: #fff;
    justify-content: flex-start;
    padding-top: 20px;
}

    .mobileNav-content ul {
        width: 100%;
        padding-top: 20px;
    }

    .mobileNav-content li {
        padding: 20px 0;
        width: 90%;
        text-align: center;
        border-bottom: 1px solid #f5f5f5;
    }

.up {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
}

/* 顶部 */
.top {
    width: 100%;
    /* max-height: 88px; */
    padding: 32px 0;
    background-color: #003e7a;
    font-size: 19px;
    color: #fff;
    position: relative;
}

.top-content {
    justify-content: flex-end;
}

.language {
    margin-right: 35px;
    position: relative;
}

    .language ul {
        position: absolute;
        top: 30px;
        display: none;
        width: 150px;
    }

        .language ul li {
            display: inline-block;
            margin-right: 10px;
        }

    .language p {
        margin-right: 4px;
        font-size: 19px;
    }

.search {
    width: 100%;
    max-width: 240px;
    border: 1px solid #fff;
    justify-content: flex-start;
    border-radius: 10px;
}

    .search img {
        margin-left: 14px;
        padding: 8px 0;
    }

    .search input {
        font-size: 19px;
        color: #fff;
        margin-left: 5px;
    }
/* 导航 加上这个时为了防止冲突用的  同名样式  .bootstarp_fangzhichongtu*/
.nav:not(.bootstarp_fangzhichongtu) {
    height: 100px;
    position: relative;
    width: 100%;
    z-index: 999;
    background-color: #fff;
}

.nav-content {
    justify-content: flex-start;
    height: 100%;
}

    .nav-content ul {
        max-width: 960px;
        width: 100%;
        height: 100%;
        margin-left: 77px;
    }

    .nav-content > ul > li {
        padding: 35px 0;
    }

    .nav-content li a {
        font-size: 22px;
        color: #595757;
    }

    .nav-content > ul > li:hover > a::before {
        content: '';
        width: 0;
        height: 0;
        border-left: 8px solid transparent;
        border-right: 8px solid transparent;
        border-bottom: 8px solid #0d4881;
        position: absolute;
        left: calc(50% - 8px);
        bottom: -35px;
    }

    .nav-content > ul > li:nth-child(1) > a::before {
        content: none;
    }
/* .nav-content>ul>li:hover .xiala {
	display: block;
} */
/* .nav-content li:nth-child(2) .xiala {
	height: 600px !important;
} */
.xiala > ul {
    height: 100%;
    overflow-y: auto;
}

.xiala {
    position: absolute;
    z-index: 9;
    width: 100%;
    max-height: 700px;
    top: 99px;
    left: 0;
    right: 0;
    margin: 0;
    padding: 40px 0;
    background: rgba(0, 62, 122, .95);
    overflow: hidden;
    display: none;
}

    .xiala > ul::-webkit-scrollbar {
        display: none
    }

    .xiala ul {
        max-width: 1280px;
        margin: 0 auto;
        color: #fff;
        align-items: flex-start;
    }

    .xiala a {
        width: 100%;
        font-size: 16px !important;
        color: #79d1ff !important;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        margin-bottom: 18px;
    }

    .xiala .pailie {
        align-items: flex-start;
    }

.stair > li {
    width: 20%;
}

.fuwu .stair > li {
    width: 17%;
}

    .fuwu .stair > li:nth-child(1) {
        width: 41%;
    }

        .fuwu .stair > li:nth-child(1) li {
            width: 48%;
        }

        .fuwu .stair > li:nth-child(1) .second {
            height: 900px;
            flex-direction: column;
            justify-content: flex-start;
        }

.stair > li > P {
    width: 100%;
    height: 42px;
    line-height: 42px;
    background: rgba(255, 255, 255, .2);
    box-sizing: border-box;
    padding: 0 15px;
    border-radius: 10px;
    font-size: 19px;
    color: #fff;
    margin-bottom: 20px;
}

.second > li {
    border-bottom: 1px solid #959595;
    padding-bottom: 12px;
    margin-bottom: 28px;
    margin-right: 20px;
}

    .second > li > p {
        position: relative;
        color: #fff;
        margin-bottom: 18px;
        font-size: 22px;
    }
/* 科研仪器 */
.keyanyiqi .stair > li {
    width: auto;
    margin: 0 20px;
}

    .keyanyiqi .stair > li:nth-child(1) .second {
        height: auto;
    }

.yaoqi .xiala .stair li:nth-child(1) {
    width: 50%;
}

.yaoqi .stair li:nth-child(1) .second li {
    width: 30% !important;
}

.yaoqi .stair li:nth-child(1) .second::after {
    content: '';
    width: 30%;
}
/* 横幅 */
.banner {
    position: relative;
    /*margin-top: 210px;*/
    margin-top: 125px;
    transition: all .3s;
}

    .banner img {
        width: 100%;
        /*max-height: 640px;*/
        height: 300px;
    }

    .banner .banner-nr {
        width: 100%;
        max-width: 1500px;
        margin: auto;
        height: 300px;
        margin-left:50px;
    }

        .banner .banner-nr .banner-nr-p1 {
            font-size: 60px;
            margin: auto;
            text-align: left;
            align-items: center;
            color: white;
            font-weight: 600;
            /*padding-top: 100px;*/
        }

        .banner .banner-nr .banner-nr-p2 {
            font-size: 20px;
            margin: auto;
            text-align: left;
            align-items: center;
            color: white;
            margin-top: 12px;
            font-weight: 500;
        }
        .banner .banner-nr .banner-nr-p2-1 {
            font-size: 20px;
            margin: auto;
            text-align: left;
            align-items: center;
            color: white;
            margin-top: 40px;
            font-weight: 500;
        }
.banner-intro {
    position: absolute;
    right: 0;
    bottom: 20px;
    max-width: 1035px;
    width: 100%;
    background-color: rgba(255, 255, 255, .8);
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

.banner-intro-content {
    max-width: 770px;
    margin-left: 75px;
    margin-top: 35px;
    margin-bottom: 38px;
}

.banner-intro h3 {
    font-size: 27px;
    color: #000;
    margin-bottom: 30px;
}

.banner-intro p {
    font-size: 14px;
    font-weight: lighter;
    line-height: 24px;
}
/* 链接 */
.linkurl {
    font-size: 14px;
    justify-content: flex-start;
    margin: 54px auto;
}
/*.linkurly {
    font-size: 16px;
    justify-content: flex-start;
    margin: 54px auto;
}
*/
    .linkurl>a {
        font-size: 14px !important;
        position: relative;
    }
    .linkurl > span {
        font-size: 14px !important;
    }
       /* .linkurl a:nth-child(1) {
            margin-left: 10px;
        }*/

            .linkurl a:nth-child(1)::before {
                content: '';
                position: absolute;
                top: 0;
                left: -10px;
                bottom: 0;
                margin: auto;
                width: 3px;
                height: 26px;
                border-radius: 10px;
                background-color: #003e7a;
            }
/* 底部 */
.bottom {
    background-color: #003e7a;
    color: #fff;
}

    .bottom a {
        color: #fff;
    }

.bottom-content {
    max-width: 1600px;
    align-items: flex-start;
}

.bottom-left {
    max-width: 220px;
    align-items: flex-start;
    font-size: 20px;
}

    .bottom-left img {
        width: 100%;
        margin-bottom: 38px;
    }

    .bottom-left p {
        margin-bottom: 10px;
    }

    .bottom-left > p {
        margin-top: 27px;
        margin-bottom: 30px;
    }

.bottom-right .pailie {
    align-items: flex-start;
}

.bottom-right {
    max-width: 1200px;
    width: 100%;
}

    .bottom-right ul {
        align-items: flex-start;
    }

    .bottom-right > ul > li > a {
        font-size: 21px;
        margin-bottom: 30px;
        /*font-weight: bold;*/
    }

    .bottom-right ul ul li {
        font-size: 16px;
        margin-bottom: 5px;
    }

.bottom-content {
    padding-top: 60px;
    padding-bottom: 75px;
}

.swiper-container-horizontal > .swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 0 !important;
}


@media screen and (min-width: 769px) {
    .caidan {
        display: none;
    }
}

    
@media screen and (max-width: 1980px) {

    .banner {
        height: 250px !important;
        /* padding-top: 10px; */
        background-size: cover;
    }
        .banner .banner-nr {
            width: 1100px;
            margin: 0 auto;
            height: 300px;
        }
    .banner.gynu_banner  {
        height: 552px !important;
    }
        .banner.gynu_banner >img{
            height: 100% !important;
        }
    .banner.gynu_banner .banner-intro {
        width: 900px !important;
        background-size: cover;
        bottom: 160px;
    }
    
    .jiegou {
        max-width: 1100px;
        width: 100%;
    }
    ul.advantageList.fensan, ul.advantageList.advantageList01 {
        flex-wrap: nowrap;
    }
    .banner .banner-nr .banner-nr-p1 {
        padding-top:1em;
    }
}

    @media screen and (min-width: 1280px) {
        .banner .banner-nr {
            /* padding-bottom: 1em;*/
            padding-top: 3em;
        }

        .banner .banner-nr {
            width: 1200px;
            margin: 0 auto;
            height: 300px;
        }

            .banner .banner-nr .banner-nr-p1 {
                padding-top: 0px;
            }
            .banner .banner-nr .banner-nr-p1-1 {
                padding-top: 25px;
                font-size: 60px;
                color: white;
                font-weight: bold;
                padding-left:4%;
            }

        .banner {
            background-repeat: inherit !important;
            background-size: cover;
            height: 403px;
        }

        .jiegou {
            max-width: 1094px;
            width: 100%;
        }

        .content-right {
            max-width: 1100px !important;
            width: 100%;
            padding-right: 0%;
        }

        .bottom-content {
            width: 90%;
            margin: auto;
        }

        .bottom-left {
            margin-bottom: 20px;
        }
        .linkurl_img{
            width:1100px;
            margin:0 auto;
        }
         .linkurl_img img {
                max-width: 40%;
                margin-left: 20px;
            }
        .linkurl_imgh {
            width: 1100px;
            margin: 0 auto;
        }

            .linkurl_imgh img {
                max-width: 40%;
            }

        .jiegou {
            width: 90%;
            margin: auto;
        }

        .linkurl {
            width:1076px;
            margin: 20px auto !important;
        }



        /*4级页面的横幅图*/


        .banner {
            height: 200px !important;
            /* padding-top: 10px; */
            background-size: cover;
        }
            /*4级页面的横幅图*/


            /*关于优惠活动大厅的横幅图*/
            .banner.gynu_banner .banner-intro {
                max-width: 900px;
                width: 900px;
                bottom: 150px;
            }

            .banner .banner-nr {
                /* padding-bottom: 1em;*/
                padding-top: 3em;
                width: 1100px;
                margin: 0 auto;
                height: 200px;
            }


            .banner.gynu_banner {
                height: 457px !important;
                /* padding-top: 10px; */
                background-size: cover;
            }
        /*关于优惠活动大厅的横幅图*/
    }



    @media screen and (max-width: 768px) {
        .root {
            font-size: 14px !important;
        }

        .top-content {
            justify-content: space-between;
        }

        .banner-intro h3, .content > div h3 {
            font-size: 30px !important;
        }

        .platform-text, .platform-swiper-text p, .researchResults-content .pailie, .thinkTank-content p {
            font-size: 20px !important;
        }

        .banner-intro p, .researchFields li p, .researchService li a, .researchResults-text p, .researchResults-text a, .researchResults-content-list li .pailie, .researchResults-content-list li a {
            font-size: 18px !important;
        }

        .language p, .linkurl a, .platform-swiper-text span, .researchResults-text span, .thinkTank-slide p {
            font-size: 16px !important;
        }

        .top {
            padding: 10px 0;
            position: fixed;
            top: 0;
            z-index: 9;
        }

        .language li {
            font-size: 12px;
        }
        /* 导航 */
        .nav {
            display: none;
        }
        /* 横幅 */
        .banner {
            margin-top: 65px;
        }

        .banner-intro h3 {
            margin-bottom: 10px;
        }

        .banner-intro p {
            line-height: 27px;
        }

        .banner-intro {
            border-radius: 10px;
            width: 90%;
            left: 0;
            margin: auto;
        }

        .banner-intro-content {
            width: 90%;
            margin: auto;
            padding: 20px 0;
        }

        /* 底部 */
        .bottom p, .bottom span, .bottom a {
            font-size: 16px !important;
        }

        .bottom-left > p {
            margin: 10px 0 !important;
        }

        .bottom-right {
            display: none;
        }

        .bottom-content {
            justify-content: center;
            padding-top: 30px;
            padding-bottom: 40px;
        }

        .banner {
            padding-top: 1px;
            overflow: hidden;
        }

            .banner img {
                width: auto;
                height: 100%;
                min-width: 100%;
                min-height: 100%;
                position: absolute;
                z-index: -1;
                left: 0;
                top: 0;
            }

        .banner-intro {
            position: static;
            margin: 15px auto;
            height: auto;
        }

        .banner.gynu_banner {
            height: 200px !important;
            /* padding-top: 10px; */
            background-size: cover;
        }

            .banner.gynu_banner .banner-intro {
                position: static;
                margin: 15px auto;
                height: auto;
                width: 90% !important;
            }
        .gynu_banner > .banner-intro > .banner-intro-content > p {
            font-weight:300;
        }
        .banner-intro h3, .content > div h3 {
            margin-bottom: 5px !important;
        }
    }

    @media screen and (max-width: 540px) {

        .banner-intro {
            top: 20px;
            bottom: 20px;
        }

        .banner-intro-content {
            padding: 5px 0;
        }

        .banner-intro h3 {
            font-size: 24px !important;
            margin-bottom: 5px;
        }

        .banner-intro p, .banner-intro p, .researchFields li p, .researchService li a, .researchResults-text p, .researchResults-text a, .researchResults-content-list li .pailie, .researchResults-content-list li a {
            font-size: 16px !important;
        }

        .researchResults-content-list ul {
            justify-content: center;
        }

        .mobileNav-content {
            width: 70%;
        }

        .top-content .caidan {
            width: 32px;
        }

        .top-content .fensan {
            width: calc(100% - 35px);
        }

        .top-content .language ul.fensan {
            width: 150px;
            left: 30px;
            top: 0px;
        }

        .search {
            max-width: 200px;
        }

        .language {
            margin: 0;
        }

        .banner {
            background-repeat: no-repeat !important;
            background-size: 100% 100% !important;
            margin-top: 120px;
            background-repeat: no-repeat;
            height: 200px !important;
        }

        .banner-intro h3 {
            font-size: 18px !important;
            margin-bottom: 0;
        }

        .banner .banner-nr {
            width: 100%;
            margin: auto;
            height: 250px;
        }

            .banner .banner-nr .banner-nr-p1 {
                font-size: 30px;
                margin: auto;
                text-align: left;
                align-items: center;
                color: white;
                font-weight: 600;
                padding-top: 50px;
                width: 90%;
            }

            .banner .banner-nr .banner-nr-p2 {
                font-size: 20px;
                margin: auto;
                text-align: left;
                align-items: center;
                color: white;
                margin-top: 12px;
                font-weight: 500;
                width: 90%;
            }
    }

    @media screen and (max-width: 375px) {
        .banner {
            margin-top: 65px;
        }

            .banner img {
                /*min-height: 190px;*/
            }

        .banner-intro p, .banner-intro p {
            font-size: 12px !important;
            line-height: normal;
        }

        .search {
            transform: scale(.8);
        }

        .language p, .linkurl a {
            font-size: 14px !important;
        }

        .top-content {
            flex-wrap: nowrap;
        }

            .top-content .fensan {
                flex-wrap: nowrap;
                justify-content: flex-end;
            }

        .language p {
            white-space: nowrap;
        }

        .search {
            width: 70%;
        }
    }

    @media screen and (max-width: 370px) {
        .banner-intro {
            top: 10px;
            bottom: 10px;
        }
    }
.fensanjj {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
}