header{
    width: 100%;
    height: 80px;
    background-color: rgb(58, 144, 241);
    border-bottom: 1px solid black; 
    display: flex;
    position: fixed;
    top: 0;
    z-index: 5;

}
.img_log{
   position: absolute;
    left: 10%;
    top: 3px;  
  
}
.lunbot{
    margin-top: 81px;
    height: 622px;
}
.lunbot img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.company_img img{
    width: 100%;
    height: 500px;
    object-fit: cover;
    margin: 0 auto;
}
.img_log>img{
    width:40%;
}
.text_logo{
    margin-left: 15%;
}
.about_list{
    width: 50%;
    height: 80px;
  /*   background-color: black; */
  
}
.about_list>ul>li{
    margin-left: 30px;
    line-height: 80px;
    color: #fff;
    float: left;
}

.about_list>ul>li>a{
    color: #fff;
}
 
 
 
 .about_list>ul>li>a::before{


    position: absolute;
    top: 76px;
    content: "";
    width: 0px;
    height: 5px;
    transition: all 0.3s linear;
    background-color: rgb(104, 250, 238);


 
}  
.about_list>ul>li>a:hover{
 color: rgb(240, 240, 240);
}
.about_list>ul>li>a:hover::before{
    transition: all 0.3s linear;
    width: 80px;
 /*    height: 5px; */
}  
/* 头部------------------------------------------------------------------样式 */






/* 轮播图-------------------------------------------------------------------- */

.ninye_lunbo{
    width: 100%;
    height: 400px;
    margin-top:80px;
}
.menu_list{
    width: 100%;
    height: 80px;
    background-color: rgb(245, 245, 245);
    padding-top: 1px;
}
.menu_list>ul>a{
    display: block;
    float: left;
    width: 100px;
    height: 40px;
    line-height: 40px;
    background-color: rgb(255, 255, 255);
    border: 1px solid #c6c6c6;;
    text-align:center;
    border-radius: 25px;
    font-size: 13px;
    margin-left: 20px;
    color: #333;

}
/* 浮动未定 */
.menu_list>ul>a:hover{
   color: rgb(28, 54, 78);
}
.menu_list>ul{
    margin-top: 25px;
    margin-left: 15%;
}

/* 公司简介部分 */
.Company_profile{
    width: 1400px;
    height: auto;
   /*  height: 800px; */
 /*    border: 1px solid black; */
    margin:  0 auto;
    margin-top: 20px;
}
.tite_h3{
    width: 100%;
    height: auto;
    border-bottom: 1px solid  #ccc;
    text-align: center;
    line-height: 80px;
}
.tite_h3>h3{
    font-size: 36px;
    font-family: inherit;
    font-weight: 500;
    color: #262626;
}
.Company_profile>p{
    font-size: 16px;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    color: #595959;
    line-height: 53px;
    text-align: left;
}
.company_img>ul{
    width: 100%;
    height: 200px;
    display: flex;
    justify-content: space-between;
    margin-top: 5%;
}
.company_img>ul>li{
    width: 341px;
    height: 200px;
    border: 1px solid #ccc;
    padding: 5px;
    position: relative;
    overflow: hidden;
    
}
.company_img>ul>li>div{
    
    width: 341px;
    height: 200px;
    text-align: center;
    line-height: 200px;
    color: #fff;
    font-size: 25px;
    background-color: rgba(0, 0, 0, 0.349);
    position: absolute;
    left: -400px; 
     transition: all 0.3s linear;
  /*   border-radius: 60px 0px 0px 60px; */
}
.company_img>ul>li>img{
    width: 100%;
    height: 100%;
  
}
.company_img>ul>li:hover div{
    transition: all 0.3s linear;
    left: 5px;
    cursor: pointer;
    
}