/* banner */
    
    .banner {
        height: auto;
    }
    
    .banner img {
        max-height: 700px;
        display: block;
    }
    /* 产品中心 */
    
    .index_product {
        /* background-color: rgba(245, 245, 245, 1); */
        background-image: url(../images/.index_product_bg.jpg);
        background-repeat: no-repeat;
        padding-bottom: 65px;
    }
    
    .index_title_e {
        display: flex;
        padding-top: 65px;
    }
    
    .index_title_01 {
        font-family: Impact;
        text-align: left;
        line-height: 1;
        color: rgba(0, 0, 0, 0.2);
        margin-top: 0px;
        font-size: 45px;
    }
    
    .index_title_02 {
        font-family: Impact;
        text-align: left;
        line-height: 1;
        color: rgba(0, 0, 0, 0.1);
        margin-top: 0px;
        margin-bottom: 0px;
        font-size: 38px;
        padding-top: 12px;
        padding-left: 10px;
    }
    
    .index_hr {
        border-top-style: solid;
        border-top-width: 3px;
        border-top-color: rgba(204, 0, 0, 1);
        width: 68px;
        margin-left: 0px;
        margin-right: auto;
        height: 0px;
        margin-top: 8px;
    }
    
    .index_title_z {
        text-align: left;
        color: rgba(51, 51, 51, 1);
        font-weight: bold;
        font-size: 28px;
        margin-top: 0px;
        margin-bottom: 10px;
        line-height: 1;
        margin-top: 15px;
        position: relative;
    }
    
    .index_title_z a {
        float: right;
        border: 1px solid #999;
        color: #999;
        font-size: 16px;
        font-weight: normal;
        padding: 8px 20px;
        position: absolute;
        right: 0;
        top: -23px;
        transition: 1s;
    }
    
    .index_title_z a:hover {
        background: #0263b2;
        color: #fff;
        transition: 1s;
    }
    
    .swiper {
        width: 100%;
        height: 100%;
    }
    
    .swiper-slide {
        text-align: center;
        font-size: 18px;
        background: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .swiper-slide img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .index_product_box {
        margin-top: 40px;
    }
    
    .index_product_box a {
        display: block;
        padding: 6%;
    }
    
    .index_product_box h2 {
        font-size: 18px;
        color: rgba(0, 0, 0, 0.8);
        font-weight: bold;
        text-align: center;
        font-family: Microsoft YaHei;
        display-radio: -webkit-box;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .index_product_box p {
        font-size: 15px;
        color: rgba(0, 0, 0, 0.4);
        font-weight: normal;
        text-align: center;
        font-family: Microsoft YaHei;
        line-height: 1.5;
        margin-top: 10px;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .index_product_hr {
        border-top-style: solid;
        border-top-width: 1px;
        border-top-color: rgba(0, 0, 0, 0.1);
        height: 2px;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    
    .index_product_pic {
        width: 100%;
        max-height: 280px;
        overflow: hidden;
    }
    
    .index_product_pic img {
        transition: 0.6s;
        max-width: 280px;
        display: block;
        margin: 0 auto;
    }
    
    .index_product_box a:hover h2 {
        color: #0263b2;
    }
    
    .index_product_box a:hover .index_product_pic img {
        transform: scale(1.1);
        transition: 0.6s;
    }
    /* 关于我们 */
    
    .index_about {
        background-image: url(../images/index_about_bg.jpg);
        min-height: 300px;
        width: auto;
        background-repeat: no-repeat;
        background-position: center center;
        padding-top: 50px;
        padding-left: 10px;
        padding-right: 10px;
        padding-bottom: 0px;
        overflow: hidden;
        background-attachment: fixed;
    }
    
    .index_about span {
        line-height: normal;
        color: rgba(255, 255, 255, 1);
        font-size: 32px;
        font-weight: bold;
    }
    
    .index_about .index_about_hr {
        border-top-width: 1px;
        border-top-style: solid;
        border-top-color: rgba(255, 255, 255, 1);
        height: 1px;
        margin-top: 20px;
        margin-bottom: 10px;
        padding-bottom: 0px;
        padding-top: 0px;
    }
    
    .index_about .index_about_txt p {
        color: rgba(255, 255, 255, 1);
        line-height: 2;
    }
    
    .index_about_txt a {
        display: block;
        position: relative;
        overflow: hidden;
        text-align: center;
        box-sizing: border-box;
        width: 160px;
        padding: 8px;
        line-height: 1.8;
        font-family: Arial;
        font-size: 14px;
        transition-property: all;
        border-color: #e60012;
        border-style: solid;
        border-width: 1px;
        transition-duration: 0.6s;
        transition-timing-function: cubic-bezier(0, 0, 0.58, 1);
        background-color: #e60012;
        margin-top: 10px;
        color: #fff;
    }
    /* 关于我们下方模块 */
    
    .index_about_box {
        margin-top: 50px;
        /* margin-bottom: 30px; */
    }
    
    .index_about_box ul {
        display: flex;
    }
    
    .index_about_box ul li {
        border-right: 1px solid rgba(255, 255, 255, 0.1);
        width: 25%;
        position: relative;
        cursor: pointer;
        padding: 3% 0 2% 3%;
    }
    
    .index_about_box ul li:last-of-type {
        border: none;
    }
    
    .txt_two_pic img {
        width: 50px;
        height: 50px;
    }
    
    .txt_two_pic p {
        font-size: 18px;
        color: rgba(255, 255, 255, 1);
        margin-top: 20px;
        margin-bottom: 15px;
    }
    
    .txt_two_pic em {
        font-style: normal;
        font-size: 14px;
        color: rgba(222, 222, 222, 1);
    }
    
    .txt-two {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        /*  padding-top: 5%; */
        line-height: 45px;
        color: #fff;
        background: #0263b2;
        display: none;
    }
    
    .txt-two a {
        display: block;
        padding: 5% 5% 0 5%;
    }
    
    .txt-two p:first-of-type {
        font-size: 16px;
        display: block;
        line-height: 20px;
        color: #fff;
        padding: 0 5%;
    }
    
    .txt-two p:last-of-type {
        display: block;
        line-height: 28px;
        color: #fff;
        margin-top: 20px;
        font-size: 14px;
    }
    
    .txt-two em {
        font-style: normal;
        color: rgba(222, 222, 222, 1);
        font-size: 12px;
    }
    /* 核心技术 */
    
    .index_core_title {
        display: flex;
    }
    
    .index_core_title .index_core_R {
        padding-left: 4%;
        padding-top: 70px;
        width: 53%;
    }
    
    .index_core_title a {
        border: 1px solid #999;
        color: #999;
        font-size: 16px;
        font-weight: normal;
        padding: 8px 20px;
        position: absolute;
        right: 0;
        top: 112px;
        transition: 1s;
    }
    
    .index_core_title a:hover {
        background-color: #0263b2;
        color: #fff;
    }
    
    .index_core_title .index_core_R p:first-of-type {
        font-size: 18px;
        font-weight: 600;
        color: #0263b2;
        margin-bottom: 10px;
    }
    
    .content-title {
        margin-top: 50px;
        text-align: center;
    }
    
    .index_core_box ul {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        grid-gap: 90px;
        margin-top: 45px;
        margin-bottom: 75px;
    }
    
    .con {
        max-height: 270px;
        position: relative;
        cursor: pointer;
        border-radius: 10px;
        overflow: hidden;
    }
    
    .con img {
        width: 100%;
        max-height: 270px;
    }
    
    .txt {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 50px;
        line-height: 50px;
        text-align: center;
        color: #fff;
        background: rgba(2, 99, 178, 0.6);
        /* background: url(../images/yn713_img12.png); */
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
        overflow: hidden;
    }
    
    .txt h3 {
        font-weight: normal;
        font-size: 16px;
    }
    
    @media screen and (max-width:1600px) {
        .txt {
            height: 35px;
            line-height: 35px;
        }
        .txt h3 {
            font-size: 15px;
        }
    }
    
    .txt p {
        font-size: 14px;
        display: block;
        line-height: 20px;
        -webkit-margin-before: 1em;
        -webkit-margin-after: 1em;
        -webkit-margin-start: 0px;
        -webkit-margin-end: 0px;
        -moz-margin-before: 1em;
        -moz-margin-after: 1em;
        -moz-margin-start: 0px;
        -moz-margin-end: 0px;
    }
    /* 应用案例 */
    
    .index_case {
        display: flex;
        background-color: #f5f5f5;
        padding-bottom: 65px;
    }
    
    .index_case_L {
        width: 35%;
        float: left;
    }
    
    .index_case_L ul {
        display: flex;
        flex-wrap: wrap;
    }
    
    .index_case_L ul li {
        width: 49%;
        border-top: 1px solid #e4e4e4;
        border-left: 1px solid #e4e4e4;
        border-right: 1px solid #e4e4e4;
        border-bottom: 1px solid #e4e4e4;
        max-width: 100%;
        height: 10vh;
    }
    /* .index_case_L ul li:last-of-type {
  border-bottom: 1px solid #e4e4e4;
} */
    
    .index_case_L ul li a {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 10vh;
    }
    
    .index_case_L ul li a .index_case_ico {
        width: 0.6rem;
        height: 0.6rem;
        background-color: #0263b2;
        border-radius: 0.6rem;
    }
    
    .index_case_L ul li a .index_case_ico img {
        width: 40%;
        margin: 0 auto;
        vertical-align: middle;
        margin-top: 15px;
    }
    
    .index_case_L ul li a .index_case_txt {
        margin-left: 15px;
    }
    
    .index_case_L ul li a .index_case_txt p:first-of-type {
        font-size: 18px;
        font-weight: 700;
        color: #555;
    }
    
    .index_case_L ul li a .index_case_txt p:last-of-type {
        font-size: 14px;
        color: #999;
    }
    
    @media screen and (max-width:1600px) {
        .index_case_L ul li a .index_case_ico {
            width: 0.4rem;
            height: 0.4rem;
        }
        .index_case_L ul li a .index_case_ico img {
            margin-top: 8px;
            width: 45%;
        }
        .index_case_L ul li {
            height: 8vh;
        }
        .index_case_L ul li a {
            height: 8vh;
        }
        .index_case_R .hd ul li {
            font-size: 16px !important;
        }
        .index_case_L ul li a .index_case_txt p:first-of-type {
            font-size: 15px;
        }
        .index_case_L ul li a .index_case_txt p:last-of-type {
            font-size: 12px;
        }
        .index_case_R .hd {
            line-height: 66px !important;
            height: 66px !important;
        }
        .index_case_R .hd ul li.on {
            height: 66px !important;
        }
        .index_case_R .hd ul li {
            font-size: 16px;
        }
    }
    
    .index_case_R {
        width: 64%;
        border: 1px solid #ddd;
        float: right;
        margin-top: 50px;
    }
    
    .index_case_R .hd {
        height: 108px;
        line-height: 108px;
        background: #f4f4f4;
        position: relative;
    }
    
    .index_case_R .hd ul {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        position: absolute;
        margin-left: 1%;
        width: 98%;
    }
    
    .index_case_R .hd ul li {
        cursor: pointer;
        background-color: #ddd;
        font-size: 18px;
        letter-spacing: 1px;
        text-align: center;
        border-right: 1px solid #e4e4e4;
    }
    
    .index_case_R .hd ul li.on {
        height: 108px;
        background: #0263b2;
        color: #fff;
    }
    
    .index_case_R .hd ul li.on:first-of-type {
        border-left: 0;
    }
    
    .index_case_R .hd ul a {
        /* padding: 0 30px; */
        font-size: 18px;
        text-align: center;
        letter-spacing: 2px;
        background-color: #ddd;
        font-weight: normal;
        color: #777;
        color: #0263b2;
        font-weight: 600;
    }
    
    .index_case_R .bd ul {
        display: flex;
        zoom: 1;
        flex-wrap: wrap;
    }
    
    .index_case_R .bd li {
        width: 31.3%;
        padding: 1%;
        height: 40vh;
    }
    
    .index_case_R .bd li img {
        height: 100%;
        display: block;
    }
    
    .index_case_R .bd li .date {
        color: #999;
    }
    /* 新闻 */
    
    .index_news {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 1%;
        margin-bottom: 40px;
    }
    
    .index_news_box {
        padding-right: 8%;
    }
    
    .index_news_box:last-of-type {
        padding-right: 0;
        padding-left: 5%;
    }
    
    .index_news_title {
        padding: 20px 0;
    }
    
    .index_news_box dl {
        margin-top: 4%;
    }
    
    .index_news_box dl a {
        display: flex;
    }
    
    .index_news_box dl dt {
        width: 28%;
        max-height: 130px;
        border: 1px solid #f5f5f5;
        overflow: hidden;
    }
    
    .index_news_box dl a dt img {
        width: 100%;
        display: block;
        padding: 3%;
        box-sizing: border-box;
    }
    
    .index_news_box dl a dd {
        padding-left: 2%;
        width: 68%;
    }
    
    .index_news_box dl a dd span {
        font-size: 16px;
        font-weight: bold;
        color: #444;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-top: 10px;
    }
    
    .index_news_box dl a dd p {
        font-size: 16px;
        padding-top: 2%;
        line-height: 1.5;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        color: rgba(102, 102, 102, 1);
        text-indent: -2em;
    }
    
    .index_news_box dl a dd em {
        color: #333;
        font-style: normal;
        margin-top: 10px;
        display: inline-block;
    }
    
    .index_news_box ul li {
        margin-top: 20px;
        border-bottom: 1px dashed #ddd;
        padding-bottom: 15px;
    }
    
    .index_news_box ul li a {
        display: flex;
        align-items: center;
    }
    
    .index_news_box ul li a i {
        width: 1.2%;
    }
    
    .index_news_box ul li a p {
        font-size: 16px;
        color: #333;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        width: 70%;
        margin-left: 0.5%;
    }
    
    .index_news_box ul li a em {
        margin-left: auto;
        font-size: 16px;
        font-style: normal;
        color: #333;
        font-weight: normal;
    }
    /* 首页按钮 */
    
    .btn_more {
        text-align: center;
        padding-bottom: 45px;
    }
    
    .btn_more a {
        border: 1px solid #999;
        font-size: 18px;
        text-align: center;
        color: #999;
        display: inline-block;
        height: 35px;
        line-height: 35px;
        width: 200px;
        transition: 1s;
    }
    
    .btn_more a:hover {
        background: #0263b2;
        color: #fff;
        transition: 1s;
    }
    /* 视频 */
    
    .index_video {
        background-color: rgba(245, 245, 245, 1);
        padding-bottom: 65px;
    }
    
    .index_title_e {
        display: flex;
        padding-top: 65px;
    }
    
    .index_title_01 {
        font-family: Impact;
        text-align: left;
        line-height: 1;
        color: rgba(0, 0, 0, 0.2);
        margin-top: 0px;
        font-size: 45px;
    }
    
    .index_title_02 {
        font-family: Impact;
        text-align: left;
        line-height: 1;
        color: rgba(0, 0, 0, 0.1);
        margin-top: 0px;
        margin-bottom: 0px;
        font-size: 38px;
        padding-top: 12px;
        padding-left: 10px;
    }
    
    .index_hr {
        border-top-style: solid;
        border-top-width: 3px;
        border-top-color: rgba(204, 0, 0, 1);
        width: 68px;
        margin-left: 0px;
        margin-right: auto;
        height: 0px;
        margin-top: 8px;
    }
    
    .index_title_z {
        text-align: left;
        color: rgba(51, 51, 51, 1);
        font-weight: bold;
        font-size: 28px;
        margin-top: 0px;
        margin-bottom: 10px;
        line-height: 1;
        margin-top: 15px;
        position: relative;
    }
    
    .index_title_z a {
        float: right;
        border: 1px solid #999;
        color: #999;
        font-size: 16px;
        font-weight: normal;
        padding: 8px 20px;
        position: absolute;
        right: 0;
        top: -23px;
        transition: 1s;
    }
    
    .index_title_z a:hover {
        background: #0263b2;
        color: #fff;
        transition: 1s;
    }
    
    .swiper {
        width: 100%;
        height: 100%;
    }
    
    .swiper-slide {
        text-align: center;
        font-size: 18px;
        background: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .swiper-slide img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .index_video_box {
        margin-top: 40px;
    }
    
    .index_video_box a {
        display: block;
        padding: 3%;
        position: relative;
    }
    
    .video_nu {
        background-image: url(../images/video.png);
        background-repeat: no-repeat;
        background-size: 100%;
        z-index: 1;
        position: absolute;
        top: 50%;
        left: 50%;
        margin-left: -18px;
        width: 10%;
        height: 15%;
        margin-top: -30px;
    }
    
    .index_video_box a:hover .video_nu {
        background-image: url(../images/video_hover.png);
    }
    
    .index_video_box h2 {
        font-size: 18px;
        color: rgba(0, 0, 0, 0.8);
        font-weight: bold;
        text-align: left;
        font-family: Microsoft YaHei;
        display-radio: -webkit-box;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        padding-top: 3%;
        text-align: center;
    }
    
    .index_video_box p {
        font-size: 13px;
        color: rgba(0, 0, 0, 0.4);
        font-weight: normal;
        text-align: left;
        font-family: Microsoft YaHei;
        line-height: 1.5;
        margin-top: 10px;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .index_video_hr {
        border-top-style: solid;
        border-top-width: 1px;
        border-top-color: rgba(0, 0, 0, 0.1);
        height: 2px;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    
    .index_video_pic {
        width: 100%;
        max-height: 200px;
        overflow: hidden;
    }
    
    .index_video_box h2 {
        /* font-size: 16px; */
        font-weight: normal;
    }
    
    @media screen and (max-width:1600px) {
        .index_video_box h2 {
            font-size: 16px;
            font-weight: normal;
        }
    }
    
    .index_video_pic img {
        transition: 0.6s;
        /* max-width: 280px; */
        display: block;
        margin: 0 auto;
    }
    
    .index_video_box a:hover h2 {
        color: #0263b2;
    }
    
    .index_video_box a:hover .index_video_pic img {
        transform: scale(1.1);
        transition: 0.6s;
    }