*{
    padding: 0;
    margin: 0;
    z-index: 1;
}
body{
    background-image: url(../ingest/beijing.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
}
header{
    position: fixed;
    width: 100%;
    height: 58px;
    z-index: 2;
    background: url(../ingest/daohang.png);
    
}
header h1{
    float: left;
    height: auto;
    width: 10%;
}
h1{
    text-indent: -99999em;
}
header nav{
    width: 80%;
    height: 58px;
    float: left;
}

header nav a{
    display: block;
    width: 25%;
    height: 100%;
    float: left;
    line-height: 58px;
    text-align: center;
    text-decoration: none;
    color: black;
    font-size: 20px;
    text-align: center;
}
header nav .a1{
    text-decoration: underline;
    color: blue;
}
header nav .a4{
    width: 100px;
    height: 34px;
    margin: 12px 0 0 10px;
    background: #38d774;
    border: 1px solid #3aca7a;
    border-radius:4px ;
    text-align: center;
    font-size: 15PX;
    line-height: 2em;
    color: #e2e4ed;
}
header nav a:hover{
    color:#ffffff;
    text-indent: 2px;
    font-size: 17px;
}
.content{
    width: 100%;
    height: 100%;
    padding-top: 10px;

}
.content .content1{
    width: 1000px;
    height: 500px;
    margin: 0 auto;
    padding-top: 30px;


}
.content .content1 ul{
    
    list-style-type: none;
    overflow: hidden;
    /* position: relative; */
    /* top: 10%; */
    height: 100%;
    width: 100%;
 
}
.content1 ul li
{
    position: relative;
    /* top: 10%; */
    animation: nansheng 16s infinite; 
}
.content .content1 ul img{
    display: block;
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
    object-fit: cover;
    /* position: relative; */
}

@keyframes nansheng{
    0%{
        top:0;
    }
    25%{
        top: -50%;
    }
    50%{
top:-150%
    }
    75%{
        top:-312%
        
    }
    100%{
        top:-412%;
    }
}
 .search-box {  
    width: 1000px; 
    height: 100px; 
    margin: 0 auto;
    padding-top: 100px;   
    border-radius: 5px;  
      
  }  
  .search-box input[type="text"] {  
    width: 800px;  
    padding: 10px;  
    border: 1px solid #000;  
    border-radius: 3px;
  }
.content .content2{
    width: 1000px;
    height: auto;
    margin: 0 auto; 
    padding-top: 30px;
}
.content .content2 h2{
    text-align: center;
    line-height: 3em;
}
.content .content2 p{
    font-size: 20px;
    text-indent: 2em;
}
.content .content2 img{
    border-radius: 10px;
}
.content .content2 .img1{
    float: right; 
    width: 200px;
    height: 200px;
}
.content .content2 .img2{
    float: left;
    width: 200px;
    height: 200px;

}
.content .content2:hover{
    background-color: white;
    border-radius: 15px;
    transition: 0.5s ease;

}
.content .content3{
    width: 1000px;
    height: auto;
    margin: 0 auto;
    padding-top: 50px;
}
.content .content3:hover{
    background-color: white;
    border-radius: 15px;
    transition: 0.5s ease;

}
.content .content3 h2{
    text-align: center;
    line-height: 3em;
}
.content .content3 p{
    font-size: 20px;
    text-indent: 2em;
}
.content .content3 .tu{
    overflow: hidden;
    width: 1000px;
    height: 300px;
    padding-top: 50px;
    padding-left: 50px;
    list-style: none;
}
.content .content3 .tu ul{
    width: auto;
    height: auto;
    margin: 0 auto;
    list-style: none;
}
.content .content3 .tu ul li{
    width: 220px;
    height: 220px;
    margin: 0 auto;
    float: left;
    background-color: #e2e4ed;
}
.content .content3 .tu img{
    width: 200px;
    height: 200px;
    margin: 0 auto;
    padding-top: 10px;
    padding-left: 10px;
}

.content .content4{
    width: 1000px;
    height: auto;
    margin: 0 auto;
    padding-top: 50px;
}
.content .content4:hover{
    background-color: white;
    border-radius: 15px;
    transition: 0.5s ease;

}
.content .content4 h2{
    text-align: center;
    line-height: 3em;
}
.content .content4 p{
    font-size: 20px;
    text-indent: 2em;
}
.content .content4 .img1{
    float: right; 
    width: 200px;
    height: 200px;
}
.content .content4 .img2{
    float: left;
    width: 200px;
    height: 200px;

}
.content .content4 img{
    border-radius: 10px;
}
.content .content4 .tu{
    overflow: hidden;
    width: 1000px;
    height: 300px;
    padding-top: 50px;
    list-style: none;
    margin-left: 50px;
}
.content .content4 .tu ul{
    width: auto;
    height: auto;
    margin: 0 auto;
    list-style: none;
}
.content .content4 .tu ul li{
    width: 220px;
    height: 220px;
    margin: 0 auto;
    float: left;
    background-color: #e2e4ed;
}
.content .content4 .tu img{
    width: 200px;
    height: 200px;
    margin: 0 auto;
    padding-top: 10px;
    padding-left: 10px;
}
.container{
    width: 100%;
    height: 30px;
    margin-top: 50px;
    color: #000;
    text-align: center;
    background-color: antiquewhite;
    bottom: 0;
    z-index: 3;
}
.container ul{
    padding-top: 5px;
}
.kong{
    width: 100%;
    height: 100px;
}