/*---------------------------------------------------------------------- /
大屏展示页-开始
----------------------------------------------------------------------- */


/* 大屏展示页-大盒子 */

.first_page {
    background: url("../images/index/bg-1-2.jpg") no-repeat;
    height: 840px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}


/* 大屏展示页-大盒子-内容页面 */

.first_page_box {
    min-height: 650px;
    display: flex;
    flex-direction: row;
    gap: 80px;
}


/* 大屏展示页-大盒子-内容页面-flex占位*/

.first_page_box div {
    flex: 1;
}


/* 大屏展示页-大盒子-内容页面-图片*/

.first_page_box div:nth-child(1) {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 450px;
}


/* 大屏展示页-大盒子-内容页面-文字*/

.first_page_box div:nth-child(2) {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}


/* 大屏展示页-大盒子-内容页面-文字-h1*/

.first_page_box div:nth-child(2) h1 {
    text-align: center;
    font-size: 40px;
    line-height: 65px;
    color: white;
    font-weight: bold;
    cursor: pointer;
}


/* 大屏展示页-大盒子-内容页面-文字-h3*/

.first_page_box div:nth-child(2) h2 {
    text-align: center;
    font-size: 30px;
    color: white;
    font-weight: bold;
    /* 间距20px */
    margin-top: 20px;
    cursor: pointer;
}


/* 响应式布局 */

@media screen and (max-width: 1279px) {
    /* 大屏展示页盒子 */
    .first_page {
        margin-top: -20px;
    }
    /* 大屏展示页-大盒子-内容页面 */
    .first_page_box {
        /* 取消flex布局 */
        display: block;
    }
    /* 大屏展示页-大盒子-内容页面-文字-h1-间距*/
    .first_page_box div:nth-child(2) h1:nth-child(1) {
        margin-top: 30px;
    }
    /* 大屏展示页-大盒子-内容页面-文字-h1*/
    .first_page_box div:nth-child(2) h1 {
        font-size: 30px;
    }
    /* 大屏展示页-大盒子-内容页面-文字-h3*/
    .first_page_box div:nth-child(2) h2 {
        font-size: 20px;
    }
}

@media screen and (max-width: 580px) {
    /* 大屏展示页-大盒子-内容页面-图片*/
    .first_page_box div:nth-child(1) {
        min-width: 300px;
    }
    /* 大屏展示页-大盒子-内容页面-文字-h1-间距*/
    .first_page_box div:nth-child(2) h1:nth-child(1) {
        margin-top: 60px;
    }
    /* 大屏展示页-大盒子-内容页面-文字-h1*/
    .first_page_box div:nth-child(2) h1 {
        font-size: 20px;
    }
}


/*---------------------------------------------------------------------- /
大屏展示页-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
title-开始
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
title-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
巨幕-开始
----------------------------------------------------------------------- */


/* 巨幕-1 */

.jm-1 {
    margin-top: 60px !important;
    background-position: center top;
    background: url("../images/index/banner-1-1.jpg") no-repeat;
    height: 356px;
    background-size: cover;
}


/* 巨幕-1 */

.jm-2 {
    margin-top: 90px !important;
    background-position: center top;
    background: url("../images/index/banner-1-2.jpg") no-repeat;
    height: 356px;
    background-size: cover;
}


/* 巨幕 1,2响应式 */

@media screen and (max-width: 1480px) {
    /* 巨幕-1 */
    .jm-1 {
        background-position: right;
        background-size: cover;
    }
    /* 巨幕-2 */
    .jm-2 {
        background-position: left;
        background-size: cover;
    }
}


/* 插图1,3响应式 */

@media screen and (max-width: 580px) {
    /* 巨幕-1 */
    .jm-1 {
        display: block;
        background-size: contain;
        height: 100px;
    }
    /* 巨幕-2 */
    .jm-2 {
        display: block;
        background-size: contain;
        height: 100px;
    }
}


/*---------------------------------------------------------------------- /
巨幕-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
公司介绍-开始
----------------------------------------------------------------------- */


/* 公司上边距 */

.company {
    /* 顶部间距 */
    margin-top: 90px;
}


/* 公司内容 */

.companybox {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    /* 间距 */
    gap: 30px;
}


/* 公司内容 div布局*/

.companybox>div {
    flex: 1;
    height: 100%;
}


/* 公司内容 div布局-标题 */

.companybox>div:nth-child(2) p.title {
    font-size: 18px;
    line-height: 28px;
    font-weight: 600;
    letter-spacing: 2px;
}

.companybox>div:nth-child(2) p.title .icon-zhuye2 {
    font-size: 22px !important;
    line-height: 30px;
}


/* 公司内容 div布局-文本p */

.companybox>div:nth-child(2) p.content {
    font-size: 15px;
    line-height: 22px;
    padding-top: 1px;
    font-weight: 500;
    letter-spacing: 0.5px;
}


/* 响应式布局 */

@media screen and (max-width: 1279px) {
    /* 公司内容 */
    .companybox {
        display: block;
    }
    /* 公司内容-div布局-img布局 */
    .companybox>div:nth-child(1) {
        /* 居中布局 */
        display: flex;
        flex-direction: row;
        justify-content: center;
    }
}


/*---------------------------------------------------------------------- /
公司介绍-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
history-start
----------------------------------------------------------------------- */


/* history-swiper大盒子 */

.bg-history {
    background: url("../video/video-bg.jpg") no-repeat center fixed;
    background-size: cover;
    height: 550px;
    opacity: 0.9;
    margin-top: 90px;
    position: relative;
}


/* history-title盒子 */

.bg-history .historytitlebox {
    display: flex;
    flex-direction: row;
    justify-content: center;
    color: white;
    align-items: center;
    height: 90px;
}


/* history-title盒子-h2*/

.bg-history .historytitlebox h2 {
    font-size: 20px;
    line-height: 30px;
    font-weight: 800;
    letter-spacing: 2px;
    padding-top: 20px;
}


/* history盒子 */

.historyswiper {
    position: relative;
    height: 400px;
}


/* history盒子-swiper */

.swiper {
    width: 100%;
    height: 100%;
}


/* history盒子-swiper */

.swiper-slide {
    background-color: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}


/* 中间线 */

.img-his {
    width: 100%;
    position: absolute;
    height: 2px;
    background-image: url("../images/index/history/productBase-features-model.png");
    background-repeat: repeat-x;
    /* 居中 */
    top: 148px;
}


/* history盒子-swiper-文本框 */

.swiper-slide .swiper-slider-word {
    height: 120px;
}


/* history盒子-swiper-文本框-h4 */

.swiper-slide .swiper-slider-word h4 {
    font-size: 22px;
    line-height: 30px;
    font-weight: 700;
    letter-spacing: 1px;
    padding-top: 20px;
    padding-left: 20px;
}


/* history盒子-swiper-文本框-p */

.swiper-slide .swiper-slider-word p {
    font-size: 13px;
    line-height: 25px;
    font-weight: 600;
    letter-spacing: 1px;
    padding-left: 20px;
    padding-right: 10px;
    padding-top: 5px;
}


/* history盒子-swiper-文本框-img */

.swiper-slide .swiper-slider-line {
    height: 40px;
    padding-top: 15px;
}


/* history盒子-swiper-文本框-img图片 */

.swiper-slide .swiper-slider-img {
    height: 210px;
    padding-left: 30px;
    padding-top: 30px;
}


/* 响应式布局 */

@media screen and (max-width: 1024px) {
    /* 中间线 */
    .img-his {
        width: 95%;
    }
}

@media screen and (max-width: 580px) {
    /* history-title盒子-h2*/
    .bg-history .historytitlebox h2 {
        font-size: 18px;
    }
}


/*---------------------------------------------------------------------- /
history-end
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
产品-开始
----------------------------------------------------------------------- */


/* 上边距 */

.product-box {
    margin-top: 35px;
}


/* 产品盒子 */

.product-box-line {
    display: flex;
    flex-direction: row;
    justify-content: center;
}


/* 产品盒子 box*/

.product-box-line div {
    flex: 1;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}


/* 产品盒子 box 图片*/

.product-box-line div img {
    max-height: 220px;
}


/* 产品盒子 box 超链接*/

.product-box-line div a {
    padding-top: 5px;
    /* 字体设置 */
    font-size: 12px;
    line-height: 28px;
    font-weight: 800;
    letter-spacing: 2px;
    text-align: center;
    color: black;
    text-decoration: none;
    /* 间距 */
    padding-top: 10px;
    padding-left: 10px;
}


/* 响应式布局 */

@media screen and (max-width: 1024px) {
    /* 产品盒子-取消flex */
    .product-box-line {
        display: block;
    }
}

@media screen and (max-width: 580px) {
    /* 产品盒子 box*/
    .product-box-line div {
        height: 260px;
    }
}


/*---------------------------------------------------------------------- /
产品-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
APP-开始
----------------------------------------------------------------------- */


/* APP布局-app上间距 */

.appbox {
    margin-top: 40px;
}


/* APP布局-titlebox */

.appboxtitle {
    height: 100px;
    /* border: 1px solid red; */
    display: flex;
    flex-direction: row;
    justify-content: center;
    padding-top: 10px;
    /* align-items: center; */
    font-size: 20px;
    line-height: 30px;
    font-weight: 800;
    letter-spacing: 1px;
}


/* APP布局 */

.appboxline {
    display: flex;
    justify-content: flex-start;
    flex-direction: row;
    gap: 40px;
}


/* APP布局-盒子 */

.app-box {
    position: relative;
    background-color: transparent;
    background-image: linear-gradient(#fff, #f5f5fa);
    box-shadow: rgba(37, 44, 97, 0.15) 0 4px 11px 0, rgba(93, 100, 148, 0.2) 0 1px 3px 0;
    box-sizing: border-box;
    height: 480px;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}


/*APP布局-隐藏背景 */

.app-box-content {
    background: url("../images/index/app-bg.jpg");
    position: absolute;
    left: 0;
    top: 0;
    z-index: 3;
    display: none;
    height: 100%;
    width: 100%;
}


/* APP布局-盒子-h2 */

.app-box-content h2 {
    color: white;
    letter-spacing: 2px;
    text-align: center;
}


/* APP布局-盒子-h2-超链接 */

.app-box-content h2 a {
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 18px;
    line-height: 28px;
    padding-left: 20px;
    padding-right: 20px;
}


/* APP布局-盒子-p文本 */

.app-box-content p {
    font-size: 18px;
    font-weight: 600;
    color: white;
    letter-spacing: 2px;
    padding-top: 40px;
}


/* APP布局-盒子-p文本-超链接 */

.app-box-content p a {
    color: white;
    text-decoration: none;
}


/* APP布局-盒子-hover动作 */


/* h5-ipad title */

.ipadapptitle {
    display: none;
}


/* 响应式布局 */

@media screen and (max-width: 1440px) {
    /* APP布局 */
    .appboxline {
        gap: 10px;
    }
}

@media screen and (min-width: 1280px) {
    .app-box:hover .app-box-content {
        cursor: pointer;
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
}

@media screen and (max-width: 1279px) {
    /* APP布局 */
    .appboxline {
        display: block;
    }
    /* ipad title */
    .ipadapptitle {
        display: block;
        text-align: center;
        font-size: 12px;
        line-height: 20px;
        padding-top: 30px;
        font-weight: 800;
        letter-spacing: 1px;
    }
    /* ipad title 超链接*/
    .ipadapptitle a {
        text-decoration: none;
        color: black;
        cursor: pointer;
    }
    /* 2. :active 伪类：触摸按下时触发（模拟 hover） */
    .app-box:active .app-box-content,
    /* 3. 兼容部分浏览器：点击后保持状态（可选） */
    .app-box.touched .app-box-content {
        cursor: pointer;
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    /* APP布局-盒子 */
    .appboxline div:nth-child(n+2) {
        margin-top: 20px;
    }
}


/*---------------------------------------------------------------------- /
APP-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
联系页-结束
----------------------------------------------------------------------- */


/* 联系页-布局 */

.contact {
    min-height: 600px;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}


/* 联系页-布局-图片 */

.contact .contactimgbox {
    flex: 2;
    /* 上下间距 */
    margin-top: 30px;
    margin-bottom: 30px;
}


/* 联系页-布局-图片-大小设置 */

.contact .contactimgbox .img-full {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* 联系页-布局-文字*/

.contact .contactwordbox {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    /* 上下间距 */
    margin-top: 30px;
    margin-bottom: 30px;
}


/* 联系页-布局-文字-div*/

.contact .contactwordbox .company_box {
    height: 120px;
    width: 90%;
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}


/* 联系页-布局-文字-div-flex-icon*/

.contact .contactwordbox .company_box div:nth-child(1) {
    min-width: 60px;
    min-height: 60px;
    background-color: #00aaaa;
    display: flex;
    justify-content: center;
    align-items: center;
}


/* 联系页-布局-文字-div-flex-文字部分*/

.contact .contactwordbox .company_box div:nth-child(2) {
    font-size: 12px;
    font-weight: 700;
    color: black;
    cursor: pointer;
    padding-left: 15px;
    line-height: 24px;
}


/* icon位置 */

.icon-weizhi2 {
    color: white;
    font-size: 30px !important;
    line-height: 38px;
}

.icon-gongyede-31 {
    color: white;
    font-size: 30px !important;
    line-height: 38px;
}

.icon-dianhua5 {
    color: white;
    font-size: 30px !important;
    line-height: 38px;
}

.icon-youxiang6 {
    color: white;
    font-size: 32px !important;
    line-height: 38px;
}

.icon-youxiang9 {
    color: white;
    font-size: 50px !important;
    line-height: 60px;
}


/* 响应式布局 */

@media screen and (max-width: 1279px) {
    /* 联系页-布局 */
    .contact {
        display: block;
    }
    /* 联系页-布局-文字*/
    .contact .contactwordbox {
        height: 600px;
    }
}

@media screen and (max-width: 580px) {
    /* 联系页-布局-文字-div*/
    .contact .contactwordbox .company_box {
        width: 100%;
    }
}


/*---------------------------------------------------------------------- /
联系页-结束
----------------------------------------------------------------------- */