body {
    font-family: 'FZLT_S';
    margin: 0;
    padding: 0;
    background-color: #fff;
}

.container {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 80px;
}

/* banner */
.ny_banner {
    background-image: url("/template/default/img/about_banner.jpg");
    position: relative;
}

.ny_banner .img img {
    width: 100%;
    vertical-align: top;
}

.ny_banner .banner_txt {
    position: absolute;
    top: 0;
    left: 0;
    color: white;
    width: 100%;
}

.ny_banner .banner_txt h1 {
    font-size: 50px;
    margin-top: 220px;
    line-height: 1;
}

.ny_banner .banner_txt p {
    font-size: 18px;
    max-width: 633px;
    margin-top: 30px;
    line-height: 30px;
    padding-left: 3px;
}

/* ny_tit */
.ny-tit h1 {
    font-size: 50px;
    color: #ae0002;
    line-height: 1;
}

/* video */
.develop_video {
    padding-top: 165px;
    padding-bottom: 198px;
}

.develop_video .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    /* 添加换行属性 */
}

.develop_video .container .img {
    width: calc(100% - 1150px);
    margin-top: 6px;
    /* 添加间距 */
}

.develop_video .container .img img {
    max-width: 100%;
}

.develop_video .container .video {
    width: 1150px;
    padding-right: 30px;
}

.video-overlay {
    position: relative;
    width: 100%;
    height: 100%;
}

.video-controls {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
}

.play-button {
    background-color: #ae0002;
    border: none;
    color: white;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 24px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 0;
    width: 78px;
    height: 78px;
    transition: all .3s;
}

.play-button:hover {
    opacity: 0.8;
}

.video-text {
    margin-top: 10px;
}

/* 模态框样式 */
.modal {
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0; /* 初始透明度为0 */
    transition: opacity 0.5s ease; /* 添加过渡效果 */
    visibility: hidden; /* 初始不可见 */
}

.modal.show {
    opacity: 1; /* 显示时透明度为1 */
    visibility: visible; /* 显示时可见 */
}

.modal .modal-content {
    margin: 15% auto;
    padding: 20px;
    width: 80%;
    max-width: 800px;
    background-color: #fff;
    position: relative;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transform: translateY(-50px); /* 初始位置 */
    transition: transform 0.5s ease; /* 添加过渡效果 */
}

.modal.show .modal-content {
    transform: translateY(0); /* 显示时位置 */
}

/* 关闭按钮旋转动画 */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(180deg);
    }
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    /* 添加鼠标指针效果 */
    transition: color 0.3s;
    /* 添加过渡效果 */
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    animation: rotate 0.5s linear forwards;
    /* 修改为 forwards 以确保动画结束后保持最终状态 */
}

/* topics */
.develop_topics {
    background-color: #f3f3f3;
    padding: 70px 0px 73px 0px;
}

.develop_topics .topics_lib {
    margin-top: 85px;
    position: relative;
}

/* Swiper样式 */
.topics_lib .swiper-container {
    width: calc(100% + 12px);
    height: 100%;
    position: relative;
    /* 添加相对定位 */
    display: inline-block;
    padding: 6px;
    margin-left: -6px;
}

.topics_lib .swiper-slide {
    background-color: white;
    border-radius: 40px;
    box-shadow: 2px 2px 6px rgb(0, 0, 0, .2);
    padding: 70px 0px 75px;
    text-align: center;
    overflow: hidden;
    position: relative; /* 添加相对定位 */
    cursor: pointer;
}

.topics_lib .swiper-slide img {
    max-width: 100%;
    max-height: 210px;
    transition: opacity 0.3s; /* 添加过渡效果 */
}



.topics_lib .swiper-slide .slide-info {
    position: absolute; /* 绝对定位 */
    top: 50%; /* 初始状态位于swiper-slide的中间 */
    left: 50%;
    transform: translate(-50%, -50%) scale(0); /* 初始状态缩小到中间一点 */
    width: 0%; /* 设置初始宽度 */
    height: 0%; /* 设置初始高度 */
    background-color: #2b9a47; /* 半透明背景 */
    color: white;
    border-radius: 40px;
    padding: 50px;
    box-sizing: border-box;
    opacity: 0; /* 初始状态透明 */
    transition: transform 0.3s, opacity 0.3s; /* 添加过渡效果 */
    display: flex;
    flex-direction: column;
}
.topics_lib .swiper-slide.topics2 .slide-info{
    background-color: #ef4129; 
}
.topics_lib .swiper-slide.topics3 .slide-info{
    background-color: #8f1737; 
}
.topics_lib .swiper-slide.topics4 .slide-info{
    background-color: #f36e23; 
}
.topics_lib .swiper-slide.topics5 .slide-info{
    background-color: #cd8b29; 
}
.topics_lib .swiper-slide.topics6 .slide-info{
    background-color: #00548a; 
}
.topics_lib .swiper-slide .slide-info h2{
    font-size: 24px;
    line-height: 1;
}
.topics_lib .swiper-slide .slide-info p{
    font-size: 14px;
    margin-top: 20px;
    line-height: 1.5em;
}
.topics_lib .swiper-slide:hover .slide-info {
    transform: translate(-50%, -50%) scale(1); /* 鼠标经过时放大到整个项目 */
    opacity: .9; /* 鼠标经过时显示 */
    width: 100%; /* 设置宽度为100% */
    height: 100%; /* 设置高度为100% */
}

/* 新增上下页按钮样式 */
.topics_lib .swiper-button-prev,
.topics_lib .swiper-button-next {
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
    z-index: 10;
    /* 确保按钮在最上层 */
    position: absolute;
    /* 添加绝对定位 */
    top: 50%;
    /* 垂直居中 */
    transform: translateY(-50%);
    /* 垂直居中 */
    margin-top: 0px;
    opacity: 1 !important;
}

.topics_lib .swiper-button-prev {
    left: -20px !important;
    /* 调整左侧按钮的位置 */
    background: url("/template/default/images/left1.png") no-repeat center center #000;
}

.topics_lib .swiper-button-next {
    right: -20px !important;
    /* 调整右侧按钮的位置 */
    background: url("/template/default/images/right1.png") no-repeat center center #000;
}

/* news */
.develop_news {
    padding: 180px 0px 160px;
}

.develop_news .container {
    display: flex;
    justify-content: space-between;
}
.develop_news .container .ny-tit {
    width:calc(100% - 1153px);
}
.develop_news .container .news_list {
    width: 1153px;
}

/*.develop_news .container .news_list .news_item {*/
/*    background-color: #f2f2f2;*/
/*    border-radius: 40px;*/
/*    padding: 54px 72px 13px 44px;*/
/*    margin-bottom: 40px;*/
    transition: opacity 0.5s ease; /* 添加过渡效果 */
    opacity: 0; /* 初始状态为隐藏 */
/*}*/

/*.develop_news .container .news_list .news_item.show {*/
    opacity: 1; /* 显示状态 */
/*}*/

/*.news_item a {*/
/*    display: block;*/
/*}*/

/*.news_item .txt {*/
/*    display: flex;*/
/*    justify-content: space-between;*/
/*    align-items: center;*/
/*}*/

/*.news_item .txt .time {*/
/*    width: 100px;*/
/*    padding-right: 20px;*/
/*    border-right: 1px solid #c7c7c7;*/
/*    text-align: center;*/
/*}*/

/*.news_item .txt .time p {*/
/*    color: #1a1a1a;*/
/*    font-family: 'FZLT_M';*/
/*    font-size: 60px;*/
/*    line-height: 1;*/
/*    display: inline-block;*/
/*}*/

/*.news_item .txt .time span {*/
/*    font-size: 16px;*/
/*    color: #666666;*/
/*    line-height: 1;*/
/*    margin-top: 15px;*/
/*    display: inline-block;*/
/*}*/

/*.news_item .txt .intro {*/
/*    width: calc(100% - 120px);*/
/*}*/

/*.news_item .txt .intro h2 {*/
/*    font-size: 30px;*/
/*    white-space: nowrap;*/
/*    overflow: hidden;*/
/*    text-overflow: ellipsis;*/
/*    line-height: 1em;*/
/*    color: #1a1a1a;*/
/*}*/

/*.news_item .txt .intro p {*/
/*    font-size: 16px;*/
/*    color: #666666;*/
/*    line-height: 1.5;*/
/*    margin-top: 20px;*/
/*    display: -webkit-box;*/
/*    -webkit-box-orient: vertical;*/
/*    -webkit-line-clamp: 2;*/
/*    overflow: hidden;*/
/*    text-overflow: ellipsis;*/
/*    line-height: 1.5em;*/
/*    max-height: 3em;*/
/*}*/

/*.news_more {*/
/*    margin-top: 8px;*/
/*    display: flex;*/
/*    justify-content: end;*/
/*}*/

/*.news_more span {*/
/*    width: 150px;*/
/*    height: 48px;*/
/*    line-height: 48px;*/
/*    text-decoration: none;*/
/*    color: #ae0002;*/
/*    border-radius: 24px;*/
/*    font-size: 14px;*/
/*    font-family: 'FZLT_M';*/
/*    text-align: center;*/
/*    border: 1px solid #ae0002;*/
/*    display: block;*/
/*    transition: all 0.3s;*/
/*}*/

/*.news_item a:hover .txt .intro h2 {*/
/*    color: #ae0002;*/
/*}*/

/*.news_item a:hover .news_more span {*/
/*    color: #fff;*/
/*    background-color: #ae0002;*/
/*}*/

/*.news_page {*/
/*    display: flex;*/
/*    justify-content: center;*/
/*}*/
/*.news_page .pagination-container{*/
/*    display: flex;*/
/*}*/
/*.news_page a {*/
/*    width: 40px;*/
/*    height: 40px;*/
/*    display: block;*/
/*    background-color: #a7a7a7;*/
/*    color: #fff;*/
/*    font-size: 24px;*/
/*    display: flex;*/
/*    align-items: center;*/
/*    justify-content: center;*/
/*    border-radius: 20px;*/
/*    margin: 0px 8px;*/
/*    transition: all 0.3s;*/
/*}*/

/*.news_page a.disabled {*/
/*    pointer-events: none;*/
/*    background-color: #ccc;*/
/*}*/

/*.news_page a.page_prev{*/
/*    background: url("/template/default/images/left1.png") no-repeat center center #a7a7a7;*/
/*}*/
/*.news_page a.page_next{*/
/*    background: url("/template/default/images/right1.png") no-repeat center center #a7a7a7;*/
/*}*/
/*.news_page a.on,*/
/*.news_page a:hover{*/
/*    background-color: #ae0002;*/
/*}*/

/* bottom */
/*.page_bottom {*/
/*    background-color: #f3f3f3;*/
/*    padding: 175px 0px;*/
/*}*/
/*.page_bottom .container{*/
/*    display: flex;*/
/*    flex-direction: column;*/
/*    align-items: center;*/
/*}*/
/*.page_bottom h1{*/
/*    color: #ae0002;*/
/*    font-size: 50px;*/
/*    line-height: 1em;*/
/*}*/
/*.page_bottom  p{*/
/*    margin-top: 35px;*/
/*    font-size: 18px;*/
/*    line-height: 1em;*/
/*}*/
/*.page_bottom a{*/
/*    margin-top: 58px;*/
/*    color: #fff;*/
/*    background-color: #ae0002;*/
/*    width: 150px;*/
/*    height: 48px;*/
/*    line-height: 48px;*/
/*    text-align: center;*/
/*    font-size: 14px;*/
/*    font-family: 'FZLT_M';*/
/*    border-radius: 24px;*/
/*    transition: all 0.3s;*/
/*}*/
/*.page_bottom a:hover{*/
/*    background-color: #f3f3f3;*/
/*    color: #ae0002;*/
/*    border: 1px solid #ae0002;*/
/*}*/
/* 响应式设计 */
@media (max-width: 1400px) {
    .develop_video .container .video{
        width: 65%;
    }
    .develop_video .container .img{
        width: 35%;
    }
    .develop_news .container .news_list{
        width: 65%;
    }
    .develop_news .container .ny-tit{
        width: 35%;
    }
}
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    .ny_banner .banner_txt {
        width: 100%;
        height: 100%;
    }
    .ny_banner .banner_txt .container{
        display: flex;
        justify-content: center;
        flex-direction: column;
        height: 100%;
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
    }
    .ny_banner .banner_txt h1 {
        font-size: 40px;
        margin-top: 0px;
    }
    .ny_banner .banner_txt p{
        font-size: 14px;
    }
    .ny-tit h1{
        font-size: 40px;
    }

    .develop_video{
        padding: 80px 0;
    }
    .develop_video .container .img {
        width: 45%;
    }

    .develop_video .container .video {
        width: 55%;
    }
    .develop_news .container {
        flex-direction: column;
    }


    .develop_news .container .ny-tit {
        width: 100%;
        margin-bottom: 20px;
    }

    .develop_news .container .news_list {
        width: 100%;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }
    .ny-tit h1{
        font-size: 32px;
    }
    .develop_video .container .img {
        width: 100%;
        text-align: center;
    }

    .develop_video .container .video {
        width: 100%;
        margin-top: 20px;
        padding: 0px;
    }
    .develop_video .container .video img{
        width: 100%;
    }
    .develop_news{
        padding: 80px 0px;
    }

    .develop_news .container .ny-tit {
        width: 100%;
        margin-bottom: 40px;
    }

    .develop_news .container .news_list {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .ny_banner .banner_txt p{
        display: none;
    }
    .ny-tit h1{
        font-size: 24px;
    }
    .develop_video,.develop_topics{
        padding: 50px 0px;
    }

    .play-button {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    .develop_topics .topics_lib{
        margin-top: 50px;
    }
    .topics_lib .swiper-slide{
        padding: 20px 0px
    }
    .develop_news{
        padding: 50px 0px;
    }
    .develop_news .container .ny-tit {
        width: 100%;
        margin-bottom: 40px;
    }

    .develop_news .container .news_list {
        width: 100%;
    }

    /*.develop_news .container .news_list .news_item{*/
    /*    padding: 30px 20px 15px 20px;*/
    /*    border-radius: 20px;*/
    /*    margin-bottom: 20px;*/
    /*}*/
    /*.news_item .txt .time{*/
    /*    width: 70px;*/
    /*}*/
    /*.news_item .txt .time p{*/
    /*    font-size: 40px;*/
    /*}*/
    /*.news_item .txt .time span{*/
    /*    font-size: 12px;*/
    /*}*/
    /*.news_item .txt .intro{*/
    /*    width: calc(100% - 90px);*/
    /*}*/
    /*.news_item .txt .intro h2{*/
    /*    font-size: 18px;*/
    /*}*/
    /*.news_item .txt .intro p{*/
    /*    font-size: 12px;*/
    /*}*/
    /*.news_more span{*/
    /*    width: 100px;*/
    /*    height: 30px;*/
    /*    line-height: 30px;*/
    /*}*/
    /*.news_page a{*/
    /*    width: 30px;*/
    /*    height: 30px;*/
    /*    font-size: 16px;*/
    /*    margin: 0px 5px;*/
    /*}*/
    /*.news_page a.page_prev,.news_page a.page_next{*/
    /*    background-size: 18px 16px;*/

    /*}*/
    /*.page_bottom{*/
    /*    padding: 50px 0px;*/
    /*    text-align: center;*/
    /*}*/
    /*.page_bottom h1{*/
    /*    font-size: 24px;*/
    /*}*/
    /*.page_bottom p{*/
    /*    font-size: 16px;*/
    /*}*/
    /*.page_bottom a{*/
    /*    width: 120px;*/
    /*    height: 35px;*/
    /*    line-height: 35px;*/
    /*}*/
}

@media (max-width: 576px) {
    .ny_banner .banner_txt h1 {
        font-size: 24px;
    }

   

    .play-button {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

 

   
}<!--0.00010490417480469-->