/*
Theme Name: yzc
Author: Eddy Liu
Version: 1.0
*/
@media (max-width: 1200px) {

    .three-introduction{

        flex:1;
    }
}

@media (max-width: 900px) {
    .nav {
        display: none !important; /* 或者使用 visibility: hidden; */
    }
    .nav-mobile{
        display:inline-block !important;
    }
    .introduction-container{
        max-width: 350px;
    }
}




body{
    background: #fff;
    margin: 0px;
}

a{
    text-decoration: none;
}

ul {
    list-style-type: none; /* 去掉项目符号 */
    padding: 0;            /* 去掉内边距 */
    margin: 0;             /* 去掉外边距 */
}
/* header */

/* 滚动导航栏隐藏 */
.scrolled{
    background-color: #fff;
}
.normal img:nth-of-type(2){
    display: none;
}
.scrolled img:nth-of-type(1){
  display: none;
}
.scrolled .container{
    background: #fff;
}
.scrolled #nav-bar .navbar-nav li a{

    color: black;
    
}
.scrolled #nav-bar .navbar-nav li a::before {
    background-color: #0000002d;
}

/* 隐藏菜单 */
.nav-mobile{
    width: 40px;
    height: 40px;
    background-color:rgb(15, 88, 136);  
    margin-right: 10px;
    font-size: 50px;
    line-height: 40px;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.80);
    display: none;
    user-select: none;
    -webkit-user-select: none; /* 对 Safari */
    -moz-user-select: none; /* 对 Firefox */
    -ms-user-select: none; /* 对 Internet Explorer/Edge */
}
#mn{
    display: none;
}

#mn:checked ~ .hidden-nav{
    right: 0;
}
#mn:checked ~ .black{
    display: block;
}

.hidden-nav{
    width: 100px;
    height: 300px;
    position: fixed;
    background-color: rgb(15, 88, 136);
    right:-100px;
    top:65px;
    display: flex;
    justify-content: center;
    transition: 0.5s;
    z-index: 20;
    
}

.hidden-nav .menu-item{
    padding: 5px;
}

.hidden-nav .menu-item a{
    color: rgba(255, 255, 255, 0.80);
}

.black {
    display: none;
    width: 100vw;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 12;
    cursor: pointer;
}

header{
    width: 100%;
    /* margin-bottom: 20px; */
    /* height: 50px; */
    
}
#menu{
    width: 100%;
    position: fixed;
    z-index: 20;
    /* top:15px; */
    
}
.container{
    justify-content: space-between;
    position: relative;
    display: flex;
    width: 80%;
    margin: 0 auto;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.container h1{
    margin: 5px 0 5px 10px;
    width: 100px;
}

.container img{
    width: 100%;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}



header #nav-bar .navbar-nav{
    display: flex;
    justify-content: flex-end;
}

header #nav-bar .navbar-nav li{
    position: relative;
    /* height: 40px; */
    margin-left: 5px;
    

}

header #nav-bar .navbar-nav li:hover,.current-menu-item,.current-menu-parent{
    background: #ffffff8b;
    
    
}
header #nav-bar .navbar-nav li a{
    display: inline-block;
    line-height: 40px;
    padding: 8px 15px;
    color: rgba(255, 255, 255, 0.80);
    
}
header #nav-bar .navbar-nav li:hover a,.current-menu-item a,.current-menu-parent a{
    color: #2050a8e1 !important;

}



header #nav-bar .navbar-nav li a::before {
    content: ' ';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: #ffffff6f;
    width: 1px;
    height: 15px;
    /* display: none; */
}

#menu-item-40 a::before {
    content: ' ';
    width:0px !important;  /* 首页 */
}
/* 搜索框 */
.nav{
    display: flex;
    justify-content: flex-end;
    align-items: center;

}

#searchform .screen-reader-text{
    display: none;
}

#searchform #s{
    padding: 5px 10px;
    border-radius: 10px;
    border: 1px solid #ddd;
}

#searchform #searchsubmit{
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #000;
    color: #fff;
    cursor: pointer;
}
/* 背景图 */
.big-container{
    /* height: 640px; */
    /* width: 1226px;
     */
    width: 100%;
    margin: 0 auto 0;
    position: relative;
    overflow: hidden;
}



.big-container .big-img{
    display: flex;
    position: relative;
    top: 0;
    left: 0;
    width: 400%; /*图片数量+1*/
    height: 100%;
    transition: 0.5s ease;
}

.small-img{
    display: inline-block;
    position: relative;
    width: 100%;
}
.big-img img{  
    width:100vw;
    height: 100vh;
    object-fit: cover;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}

.img-text{
    position: absolute;
    top: 30%;
    left: 12%;
    right:12%;
    
}

.img-text0{
    font-size: 72px; 
    color: #fff;
}
.img-text1{
    width: 100%;
    font-size: 37px; 
    color: #ffffffe1;
    margin-top: 30px;
}

.img-text0::after {
    content: '';
    display: block; /* 使其成为行内块元素 */
    width: 200px; /* 设置线段的宽度 */
    height: 4px; /* 设置线段的高度 */
    background-color:#fff;
    margin: 10px 10px 0 0; 
}
/* 箭头 */
.img-arrow a{
    position: absolute;
    top: 50%;
    transform: translate(0,-50%);
    width: 40px;
    height: 40px;
    border-radius: 5px;
    background: rgba(128, 128, 128, 0.5);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: background 0.3s, box-shadow 0.3s;
    color: #ffffff8f;
    font-size: 25px;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    user-select: none;
}
.img-arrow a:hover {
            background: rgba(128, 128, 128, 0.7);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
        }
        
.img-arrow a.left{ 
    left: 5px;
}
.img-arrow a.right{ 
    right: 5px;
}
/* 进度条 */
.img-bar{
    display: flex;
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translate(-50%,0);
    width: 200px;
    /* height: 40px; */
    justify-content: center;
    /* z-index: 8; */
}
.img-bar .bar{
    margin: 0 5px;
    width: 40px;
    height: 5px;
    border: 0.5px solid #fff; 
    cursor: pointer;
}
.img-bar .bar.active{
    background: #fff;
}




/* 内容 */

.news_list{
    background: #fff;
    margin: 20px 0;

}

/* 4大中心 */

.four-centers-title{
    margin-top: 20px;
    text-align: center;
}

.centers-title1{
    font-size: 30px;
}

.centers-title2{
    font-size: 38px;
}
.centers-line {
    width: 120px; /* 调整线段的宽度 */
    height: 3px; /* 调整线段的高度 */
    background-color: rgb(15, 88, 136); /* 线段的颜色 */
    margin: 2px auto; /* 上下外边距20px，左右自动 */
}
.four-centers{
    /*margin-top: 20px;*/
    margin: 20px auto;
    padding: 10px;
    /*margin-left: 10%;*/
    /*margin-right: 10%;*/
    width: 1400px;
    display: flex;
    justify-content: space-between;
    text-align: center;
    flex-wrap: wrap;
    
}
.four-center{
    display: inline-block;
    /* margin: 10px 60px; */
    /* text-align: center; */
}
.center-text1{
    font-size: 25px;
}
.center-text2{
    font-size: 25px;
}
.center-text1::after {
    content: '';
    display: flex; /* 使其成为行内块元素 */
    width: 40px; /* 设置线段的宽度 */
    height: 4px; /* 设置线段的高度 */
    background-color: rgb(15, 88, 136); /* 设置线段的颜色 */
    margin: 5px auto; /* 线段与文本的间距 */
}

.center-circle{
    width: 140px;
    height: 140px;
    line-height: 140px;
    border: 4px solid rgb(15, 88, 136);
    border-radius: 50%;
    margin:1vw auto ;
    font-size: 40px;
    color: rgb(15, 88, 136);
}

/* 简介 */
.introduction{
    /*margin-left: 10%;*/
    /*margin-right: 10%;*/
    text-align: center;
    /*margin-top: 40px;*/
    margin: 20px auto;
    padding: 10px;
    width: 1400px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    /* height: 400px; */
}
.project-introduction{
    display: inline-block;
    vertical-align: top;
    width: 500px;
    /* height: 400px; */
    text-align: left;
    /* margin-top: 20px; */

}

.introduction-title{
    font-size: 40px;
    margin-bottom: 20px;
}
.introduction-content{
    font-size: 22px;
}
.three-introduction{
    position: relative;
    display: inline-block;
     width:800px; 
    /* height: 400px; */
    /* margin-left: 10px; */
}
.introduction-container{
    /* width: 100vw; */
    /* max-width: 350px; */
    display: flex;
    /* flex-wrap: wrap; */
    margin-top: 10px;
    
}
.introduction1{
    /* flex:1 1 300px; */
    text-align: left;
    padding: 10px 10px 0 30px;
    font-size: 15px;
    width: 550px;
    height: 130px;
    margin: 2px;
    background-color: #dddddd66;
}
.introduction-box{
    display: flex;
    justify-content: center; 
    align-items: center; 
    width: 200px;
    height: 140px;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.2);
    
}
.introduction-box::after {
    content: ''; 
    width: 0;
    height: 0;
    position: absolute; 
    left: 200px; 
    border-top:10px solid transparent;
    border-bottom:10px solid transparent;
    border-left:17.32px solid #fff;
 
}
.box-line{
    font-size: 20px;
}
.box-line::after {
    content: '';
    display: flex; /* 使其成为行内块元素 */
    width: 100%; /* 设置线段的宽度 */
    height: 4px; /* 设置线段的高度 */
    background-color: rgb(15, 88, 136); /* 设置线段的颜色 */
    margin: 5px auto; /* 线段与文本的间距 */
}

.box3{
    background-color: rgb(15, 88, 136);
    color: #fff;
}
.box3::after {
    border-left:17.32px solid rgb(15, 88, 136);
}
.box3 .box-line::after {
    background-color: #fff;
}

/* 两个按钮 */
.two-buttons{
    text-align: center;
}

.two-btn{
    width: 160px;
    height: 50px;
    margin: 0 40px 40px 40px;
    text-align: center;
    font-size: 25px;
    color: #fff;
    border-radius: 5px;
    border:none;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.2);
    background: #d84b0f;
    cursor: pointer;
	text-decoration: none;
    }

.two-btn:hover{
    background: #ee723d;
}
.two-btn:active{
    /* top:1px; */
    box-shadow: 0 1px 3px #5b0505 inset,0 3px 0 #fff;
    background: #d84b0f;
}

/* 简介图片 */
.introduction-img{
    width: 100%;
    height: 800px;
    position: relative;

}
.introduction-img img{  
    width:100%;
    height: 100%;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}
.intro-img-text{
    width:1400px;
    margin: 0 auto;
    padding: 10px;
    
}
.intro-img-text0{
    font-size: 30px;
    color: #ffffff9b;
    margin-top: 10px;
}
.intro-img-text1{
    font-size: 40px; 
    color: #fff;
    margin-top: 10px;
}
.intro-img-text2{
    width: 500px;
    font-size: 20px;
    line-height: 30px;
    color: #ffffff9b;
    margin-top: 10px;
}
.intro-detail{
    margin-top: 10px;
    width: 150px;
    padding: 0 2px 0 2px;
    font-size: 30px;
    text-align: center;
    color: #ffffff9b;
    border: 1px solid #fff;
    cursor: pointer;
}
.intro-lists{
    width:1420px;
    margin: 20px auto;
    padding: 0 10px 10px;
    display: flex;
    justify-content: space-between;
}
.intro-li{
    position: relative;
    display: inline-block;
    /* margin-right: 10vw; */
}
.intro-big-li{
    text-align: center;
    font-size: 40px;
    color: #fff;
}
.intro-small-li{
    text-align: center;
    font-size: 15px;
    color: #fff;
}


.intro-big-li::before {
    content: ' ';
    position: absolute;
    left: -5vw;
    top: 50%;
    transform: translateY(-50%);
    background-color: #ffffff6f;
    width: 1px;
    height: 100%;
    /* display: none; */
}
.intro-big-li0::before {
    content: ' ';
    width:0 !important;
}
/* 云平台 */

.cloud{
    width: 1400px;
    margin: 0 auto;
    margin-top: 40px;
}
.cloud2{
    display: flex;
    justify-content: center;
    background-color: #dddddd66;
}
.cloud-box{
    width: 450px;
    height: 600px;
    background-color: rgb(15, 88, 136);

}

.cloud-title1{
    margin-top: 10px;
    text-align: center;
    color: #fff;
    font-size: 30px;
}

.cloud-title2{
    text-align: center;
    color: #fff;
    font-size: 25px;
}

.cloud-text1 {
    margin-top: 40px;
    margin-left:30px;
    width: 150px;
    text-align: center;
    background-color: #fff;
    color: rgb(15, 88, 136);
    font-size: 16px;
    
}
.cloud-text2{
    margin: 10px auto;
    width: 80%;
    color: #ffffffc2;
    font-size: 16px;
}

.cloud1{
    display: flex;
    justify-content: center;
}
.cloud1-fill1{
    width: 450px;
    height: 30px;
    background-color: rgb(15, 88, 136);
}
.cloud1-fill2{
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-bottom-color: rgb(7, 60, 95);
    border-left-color: rgb(7, 60, 95);

}
.cloud1-fill4{
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-top-color: rgb(7, 60, 95);
    border-left-color: rgb(7, 60, 95);

}
.cloud1-fill3{
    width:920px;
}

.cloud1-fill5{
    width: 450px;
    height: 10px;
    background-color: rgb(15, 88, 136);
    border-bottom: 2px solid rgb(15, 88, 136);
}
.cloud1-fill6{
    width: 750px;
    height: 10px;
    border-bottom: 2px solid rgb(15, 88, 136);
}
.cloud1-fill7{
    width: 200px; 
}


.cloud-img{
    position: relative;
    display: flex;
}
.cloud-img img{  
    /* width:100%; */
    width: 950px;
    height: 600px;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}

.cloud-btn{
    position: absolute;
    bottom: 10px;
    right:10px;
    width: 160px;
    height: 50px;
    text-align: center;
    font-size: 25px;
    color: #fff;
    border-radius: 5px;
    border:none;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.2);
    background: #d84b0f;
    cursor: pointer;
}
.cloud-btn:hover{
    background: #ee723d;
}
.cloud-btn:active{
    /* top:1px; */
    box-shadow: 0 1px 3px #5b0505 inset,0 3px 0 #fff;
    background: #d84b0f;
}


/* 7大功能 */
.seven-functions{
    display: flex;
    width: 1400px;;
    /* justify-content: center; */
    margin: 10px auto;
    color: rgb(15, 88, 136);
}
.seven-func-text{
    width: 1069px;
    display: flex;
    flex-direction: column;
    justify-content: center;

    
}
.seven-func-text1{
    display: flex;
    justify-content: flex-start;
    align-content: center;
    position: relative;
    
}
.seven-func-line{
    height: 1px;
    background-color: rgb(15, 88, 136);
}
.seven-func-content{
    font-size: 25px;
    margin-right: 20px;
    width: 200px;
    padding-left: 20px;
}
.seven-func-content::before{
    content: ' ';
    position: absolute;
    background-color: #f95f0ce3;
    width: 8px;
    height: 8px;
    top:16px;
    margin-left: -16px;
}
.seven-func-title{
    position: relative;
    width: 400px;
    height: 127px;
}
.seven-func-title-graph{
    position: absolute;
    left:0;
    top:50%;
    transform: translate(-50%, -50%);
    height: 200px;
    width: 200px;
    /* transform: rotateZ(45deg) skew(-15deg,-5deg); */
    transform: translateY(-50%) rotateZ(45deg) skew(-15deg, -15deg);
    border: 2px solid rgb(15, 88, 136);
    margin-left: 80px;
}
.seven-func-title-graph-text1{
    position: absolute;
    font-size: 30px;
    left: 120px;
    /* top:0.5vw */
}
.seven-func-title-graph-text2{
    position: absolute;
    font-size: 30px;
    left: 60px;
    top: 50px;
}
.seven-func-title-graph-text3{
    position: absolute;
    font-size: 160px;
    left: 140px;
    top: -30px;
    color: #2f72ad5b;
      
}

/* 文化 */
.culture-title1{
    /* margin-top: 40px; */
    padding-top: 40px;
    text-align: center;
    font-size: 42px;
}
.culture-title3{
    text-align: center;
    font-size: 22px;
    color: #00000070;
}
.culture-title2{
    margin: 5px auto;
    width: 160px;
    height: 2px;
    background-color: rgb(15, 88, 136);

}

.culture-content{
    margin-top: 40px;
    background-color: #dddddd66;
}

.culture-container{
    display: flex;
    justify-content: center;
}


.culture-img{
    width: 700px;
    height: 350px;
}

.culture-img img{
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.culture-text{
    width: 700px;
    height: 350px;
}

.culture-text1{
    margin-top: 10px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.culture-text1-1{
    margin-left: 20px;
    width: 5px;
    height: 30px;
    background-color: #2f72ad;
    /* font-size: 2vw; */
}
.culture-text1-2{
    margin: 10px;
    color: #2f72ad;
    font-size: 32px;
}

.culture-text2{
    margin: 0 10px 0 20px;
    font-size: 20px;
    color: #000000a3;
    line-height: 40px;
}


/* 业务分布 */
.business-img{
    margin-top: 40px;
    background-color: #000;
}
.business-img img{
    display: block;
    margin: 0 auto;
    width: 1400px;
    height: 100%;
    background-size: cover;
    background-position: center;
}
.business-lines{
    height: 10px;
    background-color: #2f72ad;
}


/* footer */

.foot{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    position: relative;
    margin-top: 10px;
    padding: 10px;
    background-color: #dddddd66;;
}
.foot-infos{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.foot-img{
    /* display: inline-block; */
    /* margin-left: 20vw; */
    height: 80px;
   
}
.foot-img img{
    /* width:100%; */
    height: 100%;
    background-size: cover; 
    background-position: center; /* 背景图居中 */
}
.foot-info{
    /* display: inline-block; */
    /* vertical-align: top; */
    margin-left: 60px;
    line-height: 40px;
    /* width: 200px; */
    height: 80px;
    font-size: 16px;
}
.foot-info::before {
    margin-left: -30px;
    content: ' ';
    position: absolute;
    
    background-color: #00000094;
    width: 1px;
    height: 80px;
    /* display: none; */
}
.foot-qr{
    display: inline-block;
    /* position: absolute; */
    /*margin-left: 20vw;*/
    height: 80px;
   
}
.foot-qr img{
    /* width:100%; */
    height: 100%;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}
.copyright{
    padding-bottom: 5px;
    background-color: #dddddd66;
    text-align: center;
    font-size: 14px;
}

/* -------- 关于我们 -----*/

.big-img-us img{
    width:100%;
    height: 100vh;
    object-fit: cover;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}

.four-options-lists{
    width: 1400px;
    margin: 0 auto;
    padding: 10px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.four-options-lists li:hover{
    background: #ffffff8b;
    
    
}
.four-options-lists li a{
    display: inline-block;
    font-size: 32px;
    /*line-height: 3vw;*/
    padding: 8px 15px;
    color: #00000070;
    
}
.four-options-lists li:hover a{
    color: #2050a8e1;

}
.four-options-line{
    height: 1px;
    background-color: #00000070;
}

/* 企业简介 */
.intro-us{
    width: 1400px;
    margin: 0 auto;
    padding: 10px;
    display: flex;
}
.intro-us-img img{
    margin-top: 20px;
    width: 600px;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */

}
.intro-us-text{
    width: 800px;
    position: relative;
    margin-right: 10px;
}
.intro-us-text1{
    font-size: 42px; 
    color: #000000a2;
    
}
.intro-us-text2{
    font-size: 16px; 
    color: #000000a2;
    margin-top: 10px;
}
.intro-us-lists{
    margin-top: 10px;
    display: flex;
    justify-content: space-around;
    
}
.intro-sm{
    color: #000;
}
.intro-bg{
    font-size: 32px;
    color: #000;
}
.intro-bg::before{
    background-color: #000;
    left: -20px;
}


/* 发展历程 */
.big-container .big-us-img {
    display: flex;
    position: relative;
    top: 0;
    left: 0;
    width: 400%;
    height: 100%;
    transition: 0.5s ease;
    padding-bottom: 20px;
}
.big-us{
    margin-top: 30px;
    background-color: #f5f5f5a3;
}
.img-us{
    max-width: 700px;
}
.img-us img {
    width: 100%;
    background-size: cover;
    background-position: center;
}
.small-img-us {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 220px auto 0;
    padding: 10px;
}

.img-text-us{
    max-width: 700px;
    padding-left: 40px;
}
.img-text0-us{
    font-size: 48px;
}

.img-text0-us::after {
    content: '';
    display: flex; /* 使其成为行内块元素 */
    width: 60px; /* 设置线段的宽度 */
    height: 5px; /* 设置线段的高度 */
    background-color: rgb(15, 88, 136); /* 设置线段的颜色 */
    margin-top: 10px ;
}
.img-text1-us{
    font-size: 32px;
    color: #00000078;
    margin-top: 10px;
    /*padding-right: 5vw;*/
}
.img-bar-us {
    display: flex;
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translate(-50%,0);
    width: 1400px;
    /* height: 40px; */
    justify-content: space-around;
    z-index: 8;
}

.img-title-us {
    display: flex;
    position: absolute;
    font-size: 42px;
    top: 10px;
    left: 50%;
    transform: translate(-50%,0);
    width: 80%;
    justify-content: space-around;
}
.img-title2-us {
    display: flex;
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translate(-50%,0);
    width: 80px;
    height: 6px;
    background-color: rgb(15, 88, 136);
    justify-content: space-around;
}

.img-year-us {
    display: flex;
    position: absolute;
    font-size: 26px;
    top: 140px;
    left: 50%;
    transform: translate(-50%,0);
    width: 1400px;
    justify-content: space-around;
}

.img-year2-us {
    display: flex;
    position: absolute;
    top: 128px;
    left: 50%;
    transform: translate(-50%,0);
    width: 1400px;
    background-color: #c7c7c7;
    height: 2px;
    justify-content: space-around;

}

.img-bar-us .bar {
    margin: 0 5px;
    width: 16px;
    height: 16px;
    border: 0.5px solid #c7c7c7;
    cursor: pointer;
    border-radius: 50%;
    background-color: #c7c7c7;
}
.img-bar-us .bar.active {
    background: rgb(15, 88, 136);
}

/* 资质证书 */
.certi-contianer{
    position: relative;
}
.title-us {
    text-align: center;
    font-size: 42px;
    
}
.title2-us {
    width: 80px;
    height: 6px;
    background-color: rgb(15, 88, 136);
    margin: 5px auto;
    justify-content: space-around;

}

.certi{

    width: 1400px;
    margin: 30px auto;
    padding: 10px;
    white-space: nowrap;
    overflow-x: auto;
}
/* 强制显示滚动条 */
.certi::-webkit-scrollbar {
    display: block; /* 显示滚动条 */
    height: 5px; /* 设置滚动条高度 */
}

.certi::-webkit-scrollbar-thumb {
    background-color: rgb(15, 88, 136);; /* 滚动条颜色 */
    border-radius: 5px; /* 滚动条圆角 */
}

.certi::-webkit-scrollbar-thumb:hover {
    background-color: rgb(15, 88, 136);; /* 滚动条悬停颜色 */
}


.img-certi{
    width: 350px;
    display: inline-block;
    vertical-align: top;
}
.img-certi img{
    
    width: 100%;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
    cursor: pointer;
}
.img-certi-btn{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    line-height: 40px;
    background: rgba(128, 128, 128, 0.5);
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: background 0.3s, box-shadow 0.3s;
}
.img-certi-btn:hover {
            background: rgba(128, 128, 128, 0.7);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}
.left-button {
    left: 10px;
}
.right-button {
    right: 10px;
}
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
}
.modal img {
    max-width: 90%;
    max-height: 90%;
}
.modal:target {
    display: flex;
}
/* 企业文化 */

.cult-container{
    margin-top: 30px;
    background-color: #f5f5f5a3;
    padding-bottom: 20px;
    padding-top: 20px;
    height: 100%;
    background-size: cover; 
    /* background-position: center;  */
}

.culture-us{
    width:1400px;
    margin: 30px auto;
}
.culture-us-list{
    display: flex;
    margin-bottom: 80px;
    height: 80px;
    
}
.culture-us-list1{
    width: 250px;
    font-size: 42px;
    line-height: 70px;
    text-align: center;
    color: #fff;
    background-color: rgb(15, 88, 136);
    border-radius: 5px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 2;
}
.culture-us-list2{
    flex: 1;
    display: flex;
    align-items: center;
    font-size: 24px;
    line-height: 30px;
    color: #0000009c;
    background-color: #fff;
    margin-left: -32px;
    padding-left: 80px;
    padding-right: 40px;
    border: 1px solid #00000030;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);
}
/* 定位 */
#devp-us{
    height: 20px;
}
#certi-us{
    height: 20px;
}
#culture-us{
    height: 20px;
}


/* 新闻资讯 */

.news-lists{
    display: flex;
    flex-wrap: wrap;
    width: 1400px;
    margin:20px auto;
    padding: 10px;
    /*justify-content: space-between;*/

}
.news-list-nav {
    width: 1400px;
    margin:20px auto 0;
    padding: 10px;
    display: flex;
    /* justify-content: center; */
}
.news-list-nav a {
    display: inline-block;
    width: 180px;
    margin-right: 36px;
    line-height: 58px;
    text-align: center;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    transition: all .3s;
    color: #000;
}

a.news-active,
.news-list-nav  a:hover {
    color: #fff;
    background-image: linear-gradient(to right, #014098 , #2466c2);
}
.list-news{
    position: relative;
    width: 448px;
    margin-right: 28px; 
    margin-top: 20px;
    margin-bottom: 45px;
    /* display: inline-block; */
}
.list-news:nth-child(3n) {
    margin-right: 0; /* 每三项的最后一个元素去掉右边距 */
}

.news-img{
    width: 100%;
    height: 300px;
    background-color: #f5f5f5; /* 背景颜色为灰色 */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden; /* 隐藏超出部分 */
}
.news-img img{
    max-width: 100%; /* 最大宽度为100% */
    max-height: 100%; /* 最大高度为100% */
    object-fit: contain; /* 按比例缩放并保持内容完整 */
    transition: transform 0.3s ease; /* 添加平滑过渡效果 */
    cursor: pointer;
}


.news-img :hover img {
    transform: scale(1.2); /* 鼠标悬浮时放大比例 */
}

.news-date{
    color: #000000a4;
    margin-bottom: 10px;
}

.news-title{
    font-size: 20px;
    margin-top: 0;
}

.news-btn {
    position: absolute;
    bottom: -30px;
    width: 140px;
    height: 40px;
    margin: 0;
    text-align: center;
    font-size: 18px;
    color: #fff;
    border-radius: 5px;
    border: none;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);
    background: #d84b0f;
    cursor: pointer;
}

.news-btn:hover{
    background: #ee723d;
}
.news-btn:active{
    /* top:1px; */
    box-shadow: 0 1px 3px #5b0505 inset,0 3px 0 #fff;
    background: #d84b0f;
}
@media (max-width: 900px) {
    .list-news{
        width: 100%;
    }
    .news-img{
        height: 45vw;
    }
    .news-list-nav a {
        width: 24%;
        margin-right: 20px;
    }
}
/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    border-radius: 5px;
    color: #000;  /* 字体颜色 */
    line-height: 15px;
    text-decoration: none; /* 去掉下划线 */
    transition: background-color 0.3s ease; /* 添加过渡效果 */
}

.pagination a:hover {
    background-color: #0056b3; /* 悬停时的背景颜色 */
}

.pagination .current {
    background-color: #0056b3; /* 当前页的背景颜色 */
    color: #fff; /* 当前页的字体颜色 */
    pointer-events: none; /* 禁用当前页的点击 */
}

.pagination a:active {
    background-color: #004085; /* 按下时的背景颜色 */
}

/* 添加响应式设计 */
@media (max-width: 600px) {
    .pagination a,
    .pagination span {
        padding: 8px 10px;
        font-size: 14px;
    }
}

/* 专家团队 */


.big-img-expert {
    position: relative;

}
.big-img-expert img{
    width:100%;
     height: 100vh; 
     object-fit: cover;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}
.big-img-expert2 {
    position: relative;

}

.big-img-expert2 img{
    width:100%;
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
}
.expert-title{
    position: absolute;
    top:50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
}
.expert-title-line{
    height: 2px;
    background-color: #fff;
}
.expert-title-zh{
    font-size: 42px;
}
.expert-title-en{
    font-size: 25px;
}
.expert-intro{
    width: 1400px;
    display: flex;
    justify-content: space-around;
    position: absolute;
    /* top: 1px; */
    top:50%;
    left: 50%;
    transform: translate(-50%, -50%);

}
.expert-intro-1{
    display: flex;
    align-items: center;
    width: 25%;
    font-size: 32px;
    color: #fff;

}
.expert-intro-2{
    width: 40%;
    display: flex;
    align-items: center;
    font-size: 16px;
    line-height: 30px;
    color: #fff;
}

.expert-intro-2 p::first-letter {
    font-size: 42px; /* 设置字体大小 */
    font-weight: bold; /* 可选：将字母加粗 */
    color: #eab54b;
    margin-right: 2px; /* 可选：设置右边距 */
}
.expert-intro-3{
    width: 20%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
}
.expert-intro-3-1{
    width: 45%;
    text-align: center;
}
.expert-intro-3-1 h1{
    font-size: 32px;
    color: #eab54b;
    margin: 0;
}
.expert-intro-3-1 p{
    font-size: 16px;
    color: #fff;
    margin: 0;
}
.expert-intro-line{
    width: 1px;
    background-color: #fff;
}
.expert-bg{
    margin-top: -10px;
    background-size: cover;
}
.expert-card-lists{
    display: flex;
    flex-wrap: wrap;
    width: 1400px;
    justify-content: space-between;
    margin: 10px auto;
    padding: 10px;


}
.expert-card-card{
    width: 18%;
    margin-top: 40px;
    margin-right: 4%;
}

.expert-card-card:nth-child(4n) {
    margin-right: 0; /* 每三项的最后一个元素去掉右边距 */
}

.expert-card-img{
    width: 100%;
    /* height: 16vw; */
    background-color: #f5f5f5; /* 背景颜色为灰色 */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden; /* 隐藏超出部分 */
    cursor: pointer;
}
.expert-card-img img{
   
    width:100%;
    /* height: 100%; */
    background-size: cover; /* 确保背景图覆盖整个div */
    background-position: center; /* 背景图居中 */
    transition: transform 0.3s ease; /* 添加平滑过渡效果 */
}
.expert-card-img:hover img {
    transform: scale(1.2); /* 鼠标悬浮时放大比例 */
}

.expert-card-text{
    text-align: center;
    background-color: #fff;
    padding-top: 5px;
    padding-bottom: 5px;
    
}
.expert-card-text h1{
    margin: 0;
    font-size: 25px;
    color: #014098;

}
.expert-card-text p{
    margin: 0;
    font-size: 20px;
    color: #000;
}

.expert-card-btn a {
    display: inline-block;
    width: 100%;
    margin-top: 5px;
    /* margin-right: 36px; */
    line-height: 40px;
    text-align: center;
    font-size: 20px;
    background-image: linear-gradient(to right, #014098 , #2466c2);
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    transition: all .3s;
    color: #fff;
    cursor: pointer;
}

.expert-card-btn a:hover {
    /* color: #000; */
    background-image: linear-gradient(to right, #2466c2, #4a8ae0);
}
.expert-card-hidden{
    visibility: hidden;
}
.expert-big-img{
    display: none;
    position: fixed;
    height: 340px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #dabd95;
    padding: 50px;
    z-index: 20;
}


.expert-big-close {
    position: absolute;
    right: 20px;
    top: 10px;
    display: block;
    width: 40px;
    height: 40px;
    cursor: pointer;
    /* 使元素透明以便只显示斜杠 */
    background: transparent; 
}

.expert-big-close::before,
.expert-big-close::after {
    content: '';
    position: absolute;
    width: 2px; /* 斜杠的宽度 */
    height: 40px; /* 斜杠的高度 */
    background-color: #014098;; /* 斜杠的颜色 */
    top: 0;
}

.expert-big-close::before {
    transform: rotate(45deg); /* 第一个斜杠，旋转45度 */
    left: 50%; /* 让它从中心开始 */
    transform-origin: center; /* 设置旋转中心 */
}

.expert-big-close::after {
    transform: rotate(-45deg); /* 第二个斜杠，旋转-45度 */
    left: 50%; /* 让它从中心开始 */
    transform-origin: center; /* 设置旋转中心 */
}

.expert-big-container{
    display: flex;
    justify-content: center;
    /* padding-top: 60px; */
}
.expert-big-left{
    width: 220px;
    /* line-height: 220px; */
    /* padding-top: 5px; */
    float: left;
}
.expert-big-right{
    width: 475px;
    margin-left: 40px;
}
.expert-big-right h3 {
    font-size: 36px;
    color: #014098;
    line-height: 40px;
    display: inline-block;
    margin: 0;
}
.expert-big-right h4 {
    font-size: 22px;
    color: #fff;
    line-height: 40px;
    display: inline-block;
    /* padding-left: 20px; */
    margin: 0;
}
.expert-big-right h5 {
    font-size: 22px;
    color: #fff;
    line-height: 40px;
    display: block;
    margin: 0;
}
.expert-big-right p {
    color: #fff;
    font-size: 16px;
    /* line-height: 30px; */
    word-break: break-all;
    margin: 0;
}
.expert-black {
    display: none;
    width: 100vw;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 12;
    cursor: pointer;
}

#cd1,
#cd2,
#cd3, 
#cd4, 
#cd5, 
#cd6, 
#cd7,
#cd8, 
#cd9, 
#cd10, 
#cd11, 
#cd12, 
#cd13,
#cd14  
 {
    display: none;
}

#cd1:checked ~ .expert-big-img,
#cd1:checked ~ .expert-black,
#cd2:checked ~ .expert-big-img,
#cd2:checked ~ .expert-black,
#cd3:checked ~ .expert-big-img,
#cd3:checked ~ .expert-black,
#cd4:checked ~ .expert-big-img,
#cd4:checked ~ .expert-black,
#cd5:checked ~ .expert-big-img,
#cd5:checked ~ .expert-black,
#cd6:checked ~ .expert-big-img,
#cd6:checked ~ .expert-black,
#cd7:checked ~ .expert-big-img,
#cd7:checked ~ .expert-black,
#cd8:checked ~ .expert-big-img,
#cd8:checked ~ .expert-black,
#cd9:checked ~ .expert-big-img,
#cd9:checked ~ .expert-black,
#cd10:checked ~ .expert-big-img,
#cd10:checked ~ .expert-black,
#cd11:checked ~ .expert-big-img,
#cd11:checked ~ .expert-black,
#cd12:checked ~ .expert-big-img,
#cd12:checked ~ .expert-black,
#cd13:checked ~ .expert-big-img,
#cd13:checked ~ .expert-black,
#cd14:checked ~ .expert-big-img,
#cd14:checked ~ .expert-black{
    display: block;
}

/* 项目概况 */

.project-intro{
    position: absolute;
    top: 50%;
    left: 50vw;
    width: 35vw;
    transform: translate(0, -50%);
}
.project-intro p{
    font-size: 1.4vw;
    color: #fff;
    margin: 0;
}
.project-arrow1{
    position: absolute;
    
    left: -0.5vw;
    height: 1vw;
    width: 1vw;
}

.project-arrow2{
    position: absolute;
    bottom: 0;
    right: 0;
    width: 1vw;
}
.project-intro img{
    display: block;
}

.proj-contianer{
    width: 1400px;
    margin: 80px auto 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.proj-list{
    display: flex;
    /* margin-left: 5%;
    margin-right: 5%; */
    margin-bottom: 85px;
    width: 650px;
    height: 85px;
    
}
.proj-list1{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 220px;
    font-size: 18px;
    padding-left: 5px;
    padding-right: 5px;
    /* line-height: 4.5vw; */
    text-align: center;
    color: #fff;
    background-color: rgb(15, 88, 136);
    border-radius: 8px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 2;
}
.proj-list2{
    flex: 1;
    display: flex;
    align-items: center;
    font-size: 16px;
    line-height: 20px;
    color: #0000009c;
    margin-left: -32px;
    padding-left: 45px;
    padding-right: 10px;
    border: 1px solid #00000030;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);
}

/*联系我们*/

.contact-title{
    margin-top: 20px;
    padding: 5px;
}

.contact-title1{

    text-align: center;
    font-size: 42px;
}

.contact-title2{
    margin: 5px auto;
    width: 100px;
    height: 5px;
    background-color: rgb(15, 88, 136);

}
.contact-title3{
    margin: 10px auto;
    text-align: center;
    font-size: 22px;
    color: #000000c7;
}
.contact-number{
    text-align: center;
    font-size: 32px;
}

.contact-method{
    width: 1400px;
    margin: 20px auto;
    display: flex;
    justify-content: space-between;

}
.contact-container{
    border: 1px solid #00000070;
    display: flex;
    
    padding: 5px 2vw;
}
.contact-icon{
    display: flex;
    align-items: center;
}
.contact-icon img{
    width: 60px;
    height: 60px;
}
.contact-details{
    width: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: 20px;
    color:#00000070;
}
.contact-details1{
    font-size: 22px;
    color:#000000c7;
}

.contact-details2{
    font-size: 22px;
    color:#00000070;
}

.contact-details3{
    font-size: 13px;
    color:#00000070;
}

.contact-line{
    
    width: 1400px;
    margin: 80px auto;
    background-color: #000;
    height: 1px;
}

#map{
    width: 1400px;
    margin: 30px auto;
    height: 600px;
}

.contact-last{
    width:1400px;
    margin:10px auto;
    padding: 10px;
}
.contact-last-line{
    width: 50px;
    height: 2px;
    margin-top: 5px;
    background-color: rgb(15, 88, 136);

}
.contact-last-p{
    margin-top: 10px;
}