body{
    background: #FAFAFA;
    margin: 0;
    padding: 0;
}
ul{
    margin: 0;
    padding: 0;
    list-style: none;
}
p{
    margin: 0;
    padding: 0;
}
.bt_content{
    /*width: 1400px;*/
    width: 100%;
    background: #ffffff;
    height: 80px;
    line-height: 100px;
    margin: 0 auto;
    text-align: center;
    border-bottom: 2px solid #dedede;
    font-size: 20px;
    letter-spacing:2px;
    font-weight: bold;
    /*cursor: pointer;*/
}
.bt_content div{
    position: relative;
    width: 1400px;
    margin: 0 auto;
}
.bt_content a{
    cursor: pointer;
    font-size: 30px;
    letter-spacing: 5px;
    line-height: 80px;
    position: absolute;
    left: 0;
    color: #058ecd;
}
.title_content{
    width: 1400px;
    height: 40px;
    line-height: 40px;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: bold;
}
.menu_list{
    width: 1400px;
    margin: 0 auto;
}
.menu_list ul li{
    list-style: none;
    width: 180px;
    height: 60px;
    line-height: 60px;
    background: #ffffff;
    border-radius: 8px;
    float: left;
    margin-right: 15px;
    margin-bottom: 15px;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    box-shadow:2px 2px 2px 2px #dedede;
}
.menu_list ul li:hover{
    box-shadow:2px 2px 2px 2px #999999;
}



.menu{
    width: 1400px;
    margin: 0 auto;
    border-bottom: 1px solid #4192E7;
    height: 41px;
    margin-top: 20px;
}
.menu a{
    height: 40px ;
    line-height: 40px;
    padding: 0 30px;
    color: #333333;
    text-decoration: none;
    display: inline-block;
    border-top: 2px solid #ffffff;
    float: left;
    background: #ffffff;
    margin-top: -1px;
}
.menu a.cover{
    color: #4192E7;
    border-top: 2px solid #4192E7;
    border-left: 1px solid #4192E7;
    border-right: 1px solid #4192E7;
    margin-top: 0;
}
.btn{
    cursor: pointer; border: 1px solid #666; border-radius: 10px;
    padding: 3px 6px; font-size: 14px; background: #f1f1f1;
    margin-left: 80px;
}
.info_content{
    width: 1300px;
    background: #ffffff;
    margin: 0 auto;
    padding:50px;
}


.hide{
    display: none;
}

#menu2{
    width:150px;
    height: 100%;
    border-right: 2px solid #282C34;
    float: left;
}
#menu2 ul{
    list-style: none;
}
#menu2 ul li{
    cursor: pointer;
    height: 50px;
    line-height: 50px;
    text-indent: 15px;
    font-size: 16px;
    border-bottom: 2px solid #282C34;
}
#menu2 ul li:nth-child(1){
    margin-top: 50px;
}
#menu2 ul li.over{
    background:#282C34 ;
    color: #98c379;
}
#content2{
    margin-left: 150px;
    height: 100%;
    overflow-y: scroll;
}
#content2 pre{

    all:initial;             /*清除继承样式*/

    background: #282C34;
    color: #98c379;
    padding:20px;
    line-height: 25px;
    display:block;           /*设置布局流，避免换行导致的错误布局*/
    white-space:pre-line;    /*保留换行符，设置溢出换行*/
    font-size:14px;
}
#content2 b{
    width: 100%;
    display: block;
    font-size: 16px;
    line-height: 40px;
    text-indent: 20px;
    margin-top: 10px;
}
#content2 textarea{
    width: 100%;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 14px;
}