body {
    margin: 0;
    font-size: 1.2em;
    font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
    -webkit-font-smoothing: antialiased;
    background:  #EDEAEA ;
    color: #333;
    height: 500px;
}

#header {
    background-color:#e5f8e4;
    color:rgb(13, 15, 13);
    text-align:left;
    text-indent:50px;
    padding:5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0px 10px 10px rgb(0 0 0 / 10%);
}

#topnav {
    background-color:#7bab79;
    color:white;
    text-align:center;
    padding:5px;
    height: 50px;

}
#nav1 {
    line-height:30px;
    background-color:#b6d4b5;
    height:100%;
    width:100px;
    float:left;
    padding:5px;
    border-top-right-radius: 5px; 
    border-bottom-right-radius: 5px; 
}
#nav2 {
    line-height:30px;
    background-color:#c4d4c3;
    height:100%;
    width:175px;
    float:right;
    padding:5px;	      
}
#section {
    width: 100%;
    float:left;
    padding:10px;
    text-indent:50px;	
    height: 84%; 	
    background-image:url(../image/home-background.jpg)  ; 
}
#footer {
    background-color:#7bab79;
    color:white;
    clear:both;
    text-align:center;
    padding: 20px;	
    height: auto;  
}

   .dirc li{
       list-style-type: none;/* 去掉li前的点 */
       float: left;/*将li设置成做浮动，变为联动*/
       margin-right: 50px;
   }
   .dirc a{
       display: block;/*将a变成块状*/
       width: 100px;/*设置块的宽度*/
       height: 50px;/*设置块的长度*/
       font-family: Microsoft Yahei;
       line-height: 50px;/*设置字体在块中的高度*/
       background-color: #7bab79;
       margin: 0px 0px;/*块里的高宽通过margin设置*/
       color: #fff;
       text-align: center;/*字体居中*/
       text-decoration: none;/*去掉下划线*/
       font-size: 15px;
       border-radius: 5px;
   }

   .left a{
    color: #0f0f0fb9;
    background-color:#b6d4b5 ;
   }

   .dirc a:hover{
       background-color: #2f6f4f;
   }

   .title{
        display: block;
        width:60%;
   }

   .search-input input {
    /* position: absolute; */
    /* right: 50px;
    top: 40px; */
    display: block;
    float: right;
    height: 55px;
    width: 500px;
    outline: none;
    border: none;
    border-radius: 5px;
    padding: 0 3% 0 3%;
    font-size: 18px;
    box-shadow: 0px 1px 5px rgb(0 0 0 / 10%);
    margin-right: 20px;
    }

    .search input {
        line-height: 34px;
        left: 9px;
        top: 0;
        text-align: initial;
        white-space: nowrap;
        right: 9px;
        height: 35px;
        width: 94%;
        padding: 0 3% 0 3%;
        background-color: #fff;
        border: 1px solid #c8c8c8;
        border-radius: 3px;
        color: #ccc;
        font-weight: 400;
        font-size: 1.2em;
    }

    #banzou h3{
        display: block;
        margin-left: 150px;
    }

    #banzou h4{
        display: block;
        margin-left: 175px;
    }

    #banzou a{
       display: block;/*将a变成块状*/
       width: 800px;/*设置块的宽度*/
       height: 50px;/*设置块的长度*/
       font-family: Microsoft Yahei;
       line-height: 50px;/*设置字体在块中的高度*/
       background-color: rgb(166, 189, 166);
       margin: 0px 0px;/*块里的高宽通过margin设置*/
       color: #fff;
       text-align: center;/*字体居中*/
       text-decoration: none;/*去掉下划线*/
       font-size: 15px;
       border-radius: 5px;
        margin-top: 10px;
        margin-bottom: 10px;
        padding-left: 0px;
        margin-left: 145px;
        box-shadow: 0px 1px 5px rgb(0 0 0 / 10%);
    }

    .signbox {
        display: block;
        float: right;
        height: 20px;
        width: 155px; 
        outline: none;
        border: none;
        border-radius: 5px;
        padding: 0 3% 0 3%;
        font-size: 18px;
        box-shadow: 0px 1px 5px rgb(0 0 0 / 10%);
        margin-right: 7px;
    }



    


    .dropdown {
        display: inline-block;
    }
    
    .dropdown-content {
        /* 默认隐藏 */
        display: none;
        position: absolute;
        margin-left: 100px;
        
    }
    
    .dropdown-content a {
        color: black;
        text-decoration: none;
        display: block;
    }
    
    .dropdown-content a:hover {background-color: #f1f1f1}
    
    .dropdown:hover .dropdown-content {
        display: block;
        background-color: #b6d4b5;
    }