/* 
html{
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
} */

::selection{
    background-color: #2e5789;
    color: white;
}

/* 全局 */
body{
    padding: 0;
    margin: 0;
    font-size: 14px;
    background-color: #eceef0;
}

a{
    transition: color .2s;
}

a:hover{
    text-decoration: none;
}

ul{
    margin: 0;
    padding: 0;
    list-style: none;
}

.nowrap {
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.ellipsis{
    max-width: 100%;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.block{
    padding: 50px 0 0;
}

.main{
    background: white;
    padding: 0;
}

/* 导航栏 */
.header{
    position: absolute;
    z-index: 99;
    width: 100%;
}
.header-flex{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
}
.header-flex > .logo img{
    width: 118px;
}
.header-flex > .logo i{
    font-size: 26px;
    vertical-align: middle;
    color: white;
    margin-right: 10px;
    cursor: pointer;
}
.header-flex > .logo i.icon-black{
    color: black;
}
.nav{
    display: none;
}
.nav a{
    color: white;
    font-size: 18px;
    margin: 0 20px;
    position: relative;
    text-shadow: 0 2px 2px rgba(0, 0, 0, .2);
}
.nav a::after{
    position: absolute;
    content: " ";
    bottom: -14px;
    left: 50%;
    height: 3px;
    background: white;
    width: 0%;
    transition: all .2s;
}
.nav a:hover::after{
    left: 0%;
    width: 100%;
}
.lang{
    font-size: 16px;
}
.lang a{
    color: white;
}
.lang i{
    margin-right: 5px;
    font-size: 16px;
}

/* 导航弹出层 */
.lay-content{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    background-color: rgba(0, 0, 0, .5);
    z-index: 999;
    display: none;
}
.lay-nav{
    width: calc(100vw - 60px);
    position: fixed;
    left: -100vw;
    top: 30px;
    bottom: 30px;
    z-index: 1000;
    transition: left .5s;
}
.lay-nav.lay-nav-show{
    left: 30px;
}

.lay-nav-logo{
    text-align: center;
}
.lay-nav-logo img{
    height: 28px;
}
.lay-nav-logo{
    font-weight: bold;
    font-size: 24px;
    height: 70px;
}
.lay-nav-content{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 0 5px 5px rgba(0, 0, 0, .04);
    box-sizing: border-box;
    z-index: 3;
}
.lay-nav-content{
    padding: 40px;
    position: relative;
}
.lay-nav-icon{
    position: absolute;
    left: 40px;
    top: 40px;
    height: 38px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.lay-nav-icon > img {
    width: 24px;
    height: 24px;
}
.lay-nav-content ul{
    position: relative;
    height: calc(100% - 100px);
    overflow-y: auto;
}
.lay-nav-content li{
    border-bottom: solid 1px #c2c2c2;
    line-height: 70px;
    font-size: 16px;
    font-weight: bold;
}
.lay-nav-content li > a{
    color: #000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lay-nav-content li > a:hover,
.lay-nav-content li > a.active{
    color: #2e5789;
}

/* 子页面主导航 */
.child-header{
    position: relative;
}

.child-header a{
    color: #000;
    text-shadow: none;
    position: relative;
}

.child-header .nav a::after{
    position: absolute;
    content: " ";
    bottom: -14px;
    left: 50%;
    height: 3px;
    background: #2e5789;
    width: 0%;
    transition: all .2s;
}

.child-header a:hover{
    color: #2e5789;
}

.child-header .nav a:hover::after{
    left: 0%;
    width: 100%;
}

/* 子页面副导航 */
.child-nav{
    margin-bottom: 20px;
}
.child-nav-item{
    background: white;
    border-radius: 8px;
    padding: 20px;
    display: block;
    color: #000;
    margin-bottom: 30px;
}
.child-nav-item > h4{
    margin: 0 0 15px;
    font-size: 20px;
    line-height: 40px;
    font-weight: 600;
}
.child-nav-icon{
    margin-right: 10px;
    color: #2e5789;
}
.child-nav-text{
    font-weight: 400;
    line-height: 25px;
    margin: 0;
    height: 100px;
    font-size: 15px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}
.child-nav-item:hover{
    background: #2e5789;
    color: white;
}

.child-nav-item:hover .child-nav-icon{
    color: red;
}

/* 子页面banner */
.child-banner{
    width: 100%;
    padding-top: 40%;
    background-position: center;
    background-size: cover;
    border-radius: 8px;
    margin-bottom: 50px;
}

/* banner */
.banner{
    height: 70vh;
    /* height: 90vh; */
    overflow: hidden;
    position: relative;
}
.banner-video{
    vertical-align: top;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}
.banner-content{
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
}
.banner-flex{
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    flex-direction: column;
    height: 70vh;
    /* height: 90vh; */
}
.banner-block{
    color: white;
    margin-bottom: 5vh;
    /* margin-bottom: 10vh; */
    border-bottom: solid 1px white;
    /* padding-bottom: 30px; */
    padding-bottom: 50px;
    text-shadow: 0 2px 2px rgba(0, 0, 0, .2);
}
.banner-title{
    font-size: 40px;
    font-weight: 400;
}
.banner-submit{
    padding-top: 20px;
    font-size: 16px;
    width: 100%;
    /* width: 50%; */
}

/* 子页面位置导航 */
.child-position{
    border-top: solid 1px #c2c2c2;
    padding-top: 30px;
}
.child-position a{
    color: #333;
    font-size: 15px;
}
.child-position a:hover{
    color: #2e5789;
}
.child-position span{
    margin-right: 8px;
}
.child-position span> i{
    margin-left: 8px;
}
.child-position span:last-child i{
    display: none;
}

/* 关于我们 */
.about-cover{
    background: #eceef0;
    padding-top: 60%;
    background-position: center;
    background-size: cover;
    border-radius: 8px;
    margin-top: 30px;
}
.about-content-title{
    font-size: 30px;
    margin: 0;
}
.about-content-rich{
    line-height: 30px;
    font-size: 15px;
    padding: 30px 0;
    text-align: justify;
}
.about-content-more{
    color: #000;
    font-weight: bold;
    font-size: 16px;
    color: #2e5789;
}
.about-content-more i{
    margin-left: 5px;
}
.about-content-more:hover{
    color: #1e4472;
}

/* 案例 */
.case-block{
    padding: 35px 0;
}
.case-item{
    background: #eceef0;
    border-radius: 8px;
    overflow: hidden;
    margin: 15px 0;
    display: block;
    cursor: pointer;
}
.case-item-cover{
    width: 100%;
    padding-top: 50%;
    background-position: center;
    background-size: 100%;
    transition: all 1s;
    position: relative;
}
.case-item-cover > .case-tag{
    border:solid 1px white;
    border-radius: 4px;
    position: absolute;
    bottom: 30px;
    left: 30px;
    color: white;
    line-height: 34px;
    padding: 0 20px;
}
.case-item-main{
    padding: 30px;
}
.case-item-title{
    font-weight: bold;
    font-size: 24px;
    line-height: 40px;
    color: #333;
    transition: all .5s;
}
.case-item-rich{
    margin: 15px 0;
    line-height: 25px;
    text-align: justify;
    color: gray;
    height: 75px;
    font-size: 15px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.case-item-more{
    text-align: right;
}
.case-item-more > i{
    font-size: 22px;
    color: #2e5789;
}
.case-item:hover > .case-item-cover{
    background-size: 110%;
}
.case-item:hover .case-item-title{
    color: #2e5789;
}

/* 友情链接 */
.hrefs{
    padding: 30px 0 0 0;
    border-top: solid 1px #c2c2c2;
    margin-bottom: 50px;
}
.hrefs h4{
    margin: 0;
    font-size: 20px;
    font-weight: bold;
}
.hrefs-a{
    margin-top: 15px;
}
.hrefs-a a{
    font-size: 15px;
    color: #000;
    display: inline-block;
    line-height: 40px;
    margin-right: 20px;
}
.hrefs-a a:hover{
    color: #2e5789;
}

/* 关于我们 - 企业介绍 */
.about-company{
    padding: 50px 0 30px 0;
}

/* 关于我们 - 技术概况 */
.about-technology{
    background: #eceef0;
    margin: 30px 0;
    padding: 40px 0;
}
.about-technology-item{
    text-align: center;
}
.about-technology-item p,
.about-technology-item h4{
    margin: 0;
    line-height: 40px;
}
.about-technology-item h4{
    font-size: 30px;
}
.about-technology-item h4 > span{
    font-size: 70%;
    font-weight: normal;
    margin-left: 5px;
}
.about-technology-item p{
    color: gray;
    font-size: 15px;
}

/* 关于我们 - 创新与愿景 */
.about-innovation{
    padding: 30px 0;
}
.about-innovation-title{
    font-size: 30px;
}
.about-innovation-subtitle{
    font-size: 15px;
    line-height: 30px;
    margin: 30px 0;
}
.about-innovation-block{
    background: #eceef0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}
.about-innovation-cover{
    width: 100%;
    padding-top: 60%;
    background-size: cover;
    background-position: center;
}
.about-innovation-text{
    padding: 20px;
}
.about-innovation-text-title{
    font-size: 20px;
    font-weight: bold;
    height: 40px;
    line-height: 40px;
}
.about-innovation-text-introduce{
    line-height: 25px;
    padding-top: 15px;
    color: gray;
    height: 115px;
    font-size: 15px;
}
.about-innovation-text-ellipsis{
    max-height: 100px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}
.about-innovation-more{
    margin-top: 20px;
    text-align: right;
}
.about-innovation-more i{
    font-size: 16px;
}
.about-innovation-block a{
    color: #333;
}
.about-innovation-block a:hover .about-innovation-text-title{
    color: #2e5789;
}

/* 关于我们 - 联系我们 */
.contact{
    background: white;
    border-radius: 8px;
    padding: 20px;
}
.contact-title{
    font-size: 30px;
    font-weight: bold;
}
.contact-block{
    background-color: #eceef0;
    border-radius: 8px;
    margin-top: 30px;
    padding: 20px;
}
.contact-block h4{
    font-size: 18px;
    font-weight: bold;
}
.contact-p{
    margin-top: 15px;
    position: relative;
    padding-bottom: 120px;
}
.contact-p p{
    margin: 0;
    line-height: 25px;
    font-size: 15px;
}

.contact-p > img{
    position: absolute;
    right: 100%;
    margin-right: -100px;
    bottom: 0;
    width: 100px;
    height: 100px;
}

/* 公司历程 */
.course{
    padding: 30px 0;
}

.course-swiper{
    padding: 0 50px;
    position: relative;
}
.course-btn{
    top: 50%;
}
.course-title{
    font-size: 30px;
    margin-bottom: 30px;
    font-weight: bold;
}
.course-time{
    text-align: center;
    border-bottom: solid 4px #2e5789;
    font-size: 20px;
    padding-bottom: 20px;
    position: relative;
}
.course-time::after{
    position: absolute;
    bottom: -9px;
    left: 50%;
    background: #2e5789;
    content: " ";
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border:solid 2px white;
    margin-left: -7px;
}
.course-block{
    background: #eceef0;
    margin-top: 30px;
    padding: 8px;
    box-sizing: border-box;
}
.course-cover{
    width: 100%;
    padding-top: 70%;
    background-position: center;
    background-size: cover;
}
.course-text{
    margin: 20px 0 10px;
    padding: 0 10px;
    font-size: 15px;
    line-height: 25px;
    height: 100px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

/* 资质证书 */
.honor-block{
    background: #eceef0;
    margin: 15px 0;
    border-radius: 8px;
    overflow: hidden;
}
.honor-cover{
    width: 100%;
    padding-top: 70%;
    background-position: center;
    background-size: cover;
    cursor: pointer;
}
.honor-content{
    padding: 20px;
}
.honor-content-title{
    font-size: 20px;
    font-weight: bold;
    line-height: 40px;
}
.honor-content-text{
    padding-top: 15px;
    min-height: 90px;
}
.honor-content-text p{
    margin: 0;
    line-height: 25px;
    font-size: 14px;
    color: gray;
}

.honor-dialog{
    margin-top: 24vh;
    text-align: center;
}

.honor-dialog > img{
    width: 100%;
}

.honor-dialog > p{
    text-align: center;
    color: white;
    margin: 0;
    margin-top: 20px;
}

.honor-dialog > p i{
    font-size: 30px;
    cursor: pointer;
}

/* 方案案例 */
.child-case-title{
    padding-bottom: 0;
    font-weight: bold;
    font-size: 30px;
    position: relative;
}
.child-case-title::after{
    position: absolute;
    top: 0;
    left: 0;
    right: 10%;
    height: 140px;
    background:linear-gradient(to right, rgba(0, 0, 0, .0), rgba(0, 0, 0, .04));
    content: " ";
    border-radius: 70px;
    z-index: -1;
}
.about-case-block{
    background: white;
    border-radius: 8px;
    overflow: hidden;
}
.case-cover{
    padding-top: 50%;
    width: 100%;
    background-position: center;
    background-size: cover;
}
.case-more{
    padding: 0 20px 20px;
    text-align: right;
}
.case-more i{
    font-size: 20px;
}
.case-content-text{
    height: 115px;
}
.case-text{
    line-height: 25px;
    font-size: 15px;
    color: gray;
    max-height: 100px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}
.about-case-block a{
    color: #333;
}
.case-block a:hover{
    color: #2e5789;
}
.child-case-nav{
    margin-bottom: 30px;
}
.child-case-nav-item{
    line-height: 40px;
    margin-top: 15px;
    border-bottom: solid 1px #c2c2c2;
    font-size: 15px;
}
.child-case-nav-item a{
    color: #333;
    display: block;
}
.child-case-nav-item a > i{
    margin-right: 10px;
    color: #1e4472;
    transition: all .2s;
}
.child-case-nav-item a.active
.child-case-nav-item a:hover{
    color: #2e5789;
}
.child-case-nav-item a.active > i,
.child-case-nav-item a:hover > i{
    margin-right: 15px;
}
/* 子页面标题以及分类 */
.child-title{
    font-size: 30px;
    margin-bottom: 15px;
    font-weight: bold;
}
.child-class{
    margin-bottom: 30px;
    font-size: 16px;
}
.child-class a{
    margin-right: 20px;
    line-height: 40px;
    background: #eceef0;
    display: inline-block;
    padding: 0 30px;
    font-size: 15px;
    color: gray;
    border-radius: 8px;
}
.child-class a:hover,
.child-class a.active{
    background: #2e5789;
    color: white;
}

/* 资料下载 */
.file-ul{
    margin-bottom: 30px;
}
.file-ul li{
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
}
.file-ul h4,
.file-ul p{
    margin: 0;
}
.file-ul a{
    color: #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.file-ul i{
    font-size: 20px;
    color: #2e5789;
}
.file-info{
    width: calc(100% - 30px);
}
.file-info-title{
    font-size: 18px;
    font-weight: bold;
    line-height: 30px;
}
.file-info-subtitle{
    color: gray;
    font-size: 14px;
}
.file-ul a:hover .file-info-title{
    color: #2e5789;
}
/* 新闻资讯 */
.child-next-title{
    padding-bottom: 30px;
}
.news-titme{
    color: gray;
    font-size: 15px;
    padding-bottom: 15px;
}
.news-title{
    line-height: 30px;
    font-size: 20px;
    font-weight: bold;
    height: 60px;
}

/* 新闻资讯详情 */
.news-details{
    position: relative;
    background: white;
    padding: 30px 30px;
    border-radius: 8px;
}
.news-details-content::after{
    border:solid 1px #2e5789;
}
.news-details-title{
    padding-bottom: 20px;
    text-align: center;
    font-size: 30px;
}
.news-details-time{
    text-align: center;
    padding-bottom: 50px;
    color: gray;
}
.news-details-content{
    font-size: 16px;
    line-height: 25px;
}
.news-details-content img{
    max-width: 100%;
}

/* 产品中心 */
.product-child-class{
    margin-top: 30px;
    margin-bottom: 15px;
}
.product-child-class a{
    margin-bottom: 10px;
    margin-right: 10px;
    padding: 0 15px;
}

/* 分页 */
.pages{
    text-align: center;
    margin-top: 30px;
}
.pages a{
    color: #333;
    font-size: 15px;
    line-height: 30px;
    display: inline-block;
    padding: 0 10px;
    font-weight: 500;
}
.pages a:hover{
    /*color: #2e5789;*/
    background: #2e5789b3;
    color: white;
    border-radius: 8px;
}
.pages a.active{
    /*color: gray;*/
    background: #2e5789;
    color: white;
    border-radius: 8px;
}
.pages-previous{
    /* margin-right: 30px; */
    margin-right: 15px;
}
.pages-next{
    /* margin-left: 30px; */
    margin-left: 15px;
}
.pages-number{
    /* margin: 0 10px; */
    margin: 0 5px;
}

/* footer */
footer{
    background: #eceef0;
    padding: 50px 0;
}
.footer-tool{
    padding-bottom: 30px;
}
.footer-logo{
    text-align: center;
}
.footer-logo > img{
    width: 120px;
    vertical-align: top;
}
.footer-nav{
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    /* justify-content: space-between; */
    margin-top: 40px;
}
.footer-item{
    width: 50%;
    margin-bottom: 30px;
}
.footer-item h4{
    font-size: 20px;
    margin: 0 0 10px;
}
.footer-item a{
    display: block;
    color: #000;
    line-height: 40px;
    font-size: 15px;
}
.footer-item a:hover{
    color: #2e5789;
}
.footer-copyright{
    border-top: solid 1px #c2c2c2;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    color: #616161;
    font-size: 14px;
    align-items: center;
}
.footer-copyright a{
    color: #616161;
}
.footer-href a{
    margin-left: 10px;
    color: #616161;
}
.footer-href a > span{
    font-size: 20px;
}
.footer-href a:hover{
    color: #2e5789;
}

.footer-href a.footer-href-wechat{
    position: relative;
}

.footer-href a.footer-href-wechat > .wechat-qrcode{
    position: absolute;
    width: 120px;
    border-radius: 10px;
    overflow: hidden;
    right: 0;
    bottom: 30px;
    display: none;
    background-color: white;
    padding: 10px;
}

.footer-href a.footer-href-wechat > .wechat-qrcode p{
    color: gray;
    margin-top: 5px;
    margin-bottom: 0;
    text-align: center;
}

.footer-href a.footer-href-wechat > .wechat-qrcode img{
    width: 100px;
    height: 100px;
}

.footer-href a.footer-href-wechat:hover > .wechat-qrcode{
    display: block;
}


/* 768 */
@media (min-width: 768px) {
    .main{
        padding: 30px 0;
    }
    /* 导航栏 */
    .lay-nav{
        width: 300px;
        left: -330px;
    }
    /* 子页面副导航 */
    .child-nav-item{
        padding: 30px;
    }
    /* 产品中心 */
    .product-child-class a{
        margin-bottom: 15px;
        margin-right: 15px;
        padding: 0 20px;
    }
    /* 关于我们 - 联系我们 */
    .contact{
        padding: 30px;
    }
    /* footer */
    .footer-logo{
        text-align: left;
    }
    .footer-nav{
        justify-content: flex-start;
    }
    .footer-item{
        width: 20%;
        margin-bottom: 0;
    }
    /* 分页 */
    .pages-previous{
        margin-right: 20px;
    }
    .pages-next{
        margin-left: 20px;
    }
    .pages-number{
        margin: 0 10px;
    }
    /* 新闻资讯详情 */
    .news-details{
        padding: 50px 80px;
    }
    /* 联系我们 */
    .contact-p{
        padding-bottom: 0;
        padding-right: 120px;
    }
    .contact-p > img{
        position: absolute;
        right: 0%;
        margin-right: 0;
    }
}

/* 992 */
@media (min-width: 992px){
    /* 导航栏 */
    .nav{
        display: block;
    }
    .banner{
        height: 90vh;
    }
    .banner-flex{
        height: 90vh;
    }
    .banner-block{
        margin-bottom: 10vh;
        padding-bottom: 50px;
    }
    .banner-submit{
        width: 80%;
    }
    /* 产品中心 */
    .product-child-class{
        margin-top: 0;
    }
    /* 方案案例 */
    .child-case-title{
        padding-bottom: 30px;
    }
    .child-case-nav{
        margin-bottom: 0;
    }
    /* footer */
    footer{
        margin-top: 30px;
    }
    .footer-nav{
        margin-top: 0;
    }
    /* 分页 */
    .pages-previous{
        margin-right: 30px;
    }
    .pages-next{
        margin-left: 30px;
    }
    /* 新闻资讯详情 */
    .news-details{
        padding: 60px 90px;
    }
}

/* 1200 */
@media (min-width: 1200px){
    /* 新闻资讯详情 */
    .news-details{
        padding: 80px 100px;
    }
}

@media (min-width: 1440px){
    .container {
        width: 1280px;
    }
}