/* 设置公共基础样式，清除默认样式+设置通用样式 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

body {

    font: 14px/1.5 "Microsoft Yahei","Hiragino Sans GB","Heiti ","WenQuanYi Micro Hei",sans-serif ;
    color: #f9f9f9;
    
}

a {
    color: #333;
    text-decoration: none;
}

/* ----------------------------------- */

/* -------------------------------顶部导航------------------------- */
.header .gps-top {
    height: 40px;
    background-color: #181818;
}


.header .gps-top ul {
    display: flex;

}

.header .gps-top li {
    border-left: 1px solid #8b8b8b;

}

.header .gps-top li:last-child {
    border-right: 1px solid #8a8a8a;
}


.header .gps-top li a {
    margin-left: 15px;
    padding-right: 15px;
    font-size: 14px;
    line-height: 40px;
    font-weight: 700;
    color: #fff;
}


/* 广告区 */
.advertisement {  
    height: 100px;
    margin-top: 10px;
    padding-left: 10px;
    background-color: #ffffff;
}

.advertisement h5 {
    font-size: 40px;
    color: #ff0000;
}

.advertisement p {
    font-size: 20px;
    color: #ff0000;

}



/* ----------------------------------内容主体区------------------------- */

.bd {
    margin-top: 20px;
}



.bd .work ul {
    display: flex;
    flex-wrap: wrap;
    width: 1560px;
    /* background-color: #ec4a4a; */
    /* 测试颜色 */
}


.header .gps-top .zcbg {
    height: 500px;
}

.header .gps-top .ysdh {
    height: 500px;
}

.header .gps-top .pmsj {
    height: 500px;
}

.header .gps-top .sanwei {
    height: 500px;
}

.header .gps-top .jianzhusheji {
    height: 500px;
}

.header .gps-top .jixiesheji {
    height: 500px;
}

.header .gps-top .dianzidianlu {
    height: 500px;
} 


.work ul li {
    width: 243px;
    height: 355px;
    border-radius: 20px 20px 20px 20px;
    margin-right: 18px;
    margin-bottom: 18px;
    
    background-color:  rgb(77, 77, 77);
    /* 测试颜色 */

    border: 1px solid transparent; /* 可选，如果需要在无悬停时也有边框但不明显 */  
    transition: border-color 0.3s ease; /* 可选，添加过渡效果，使边框颜色变化更平滑 */ 

}

.work ul li:hover {  
    /* 鼠标悬停时添加边框 */  
    border: 1px solid #ff0000; /* 这里#000是黑色，你可以根据需要更改为其他颜色 */  
}


.work ul li:nth-child(6n) {
    margin-right: 0px;
}

.work ul li .upper {

    height: 30px;
    border-radius: 20px 20px 0px 0px;
    background-color:  rgb(77, 77, 77);
    /* 测试颜色 */
}

.work ul li .upper h4 {
    display: inline-block;
    font-size: 16px;
    font-weight: 400;
    line-height: 30px;
    margin-left: 90px;
    color: #ffffff;

}

.work ul li .middle {
    height: 243px;
}

.work ul li .middle img {
    width: 241px;
    height: 245px;
    background-size: contain;
}



.work ul li .below {
    height: 42px;
    padding: 8px;


    /* border-radius: 0px 0px 20px 20px; */
}

.work ul li a .below p {
    color: #ffffff 
}

.work ul li .ram {
    display: inline-block;
    margin: 15px 0px 0px 90px;
    padding: 1px 15px;
    background-color: rgb(62, 62, 62);
    border-radius: 10px;
    
}

.work ul li a .ram p {
    color: #ffffff 
}