body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td { margin:0; padding:0; }
    body { background:#fff; color:#555; font-size:14px; font-family: Verdana, Arial, Helvetica, sans-serif; }
    td,th,caption { font-size:14px; }
    h1, h2, h3, h4, h5, h6 { font-weight:normal; font-size:100%; }
    i{
         font-style:normal;
    }
    address, caption, cite, code, dfn, em, strong, th, var { font-style:normal; font-weight:normal;}
    a { color:#555; text-decoration:none; }
    a:hover { text-decoration:underline; }
    img { border:none; }
    ol,ul,li { list-style:none; }
    input, textarea, select, button { font:14px Verdana,Helvetica,Arial,sans-serif; }
    table { border-collapse:collapse; }
    html {overflow-y: scroll;}
    a:hover{
        text-decoration: none;
    }
    .clearfix:after {content: "."; display: block; height:0; clear:both; visibility: hidden;}
    .clearfix { *zoom:1; }


    .mid{
        width: 1200px;
        margin: 0 auto;
    }
    body{
        background: #f4f4f4;    
    }

    /*<!-- 头部start -->*/
    
    .header{
        width: 100%;
        height: 70px;
        background: #242424;
    }
    .header .logo{
        width: 140px;
        height: 30px;
        /*background-color: skyblue;*/  
        margin-top: 20px;
        float: left;
    }
    .header .head_img{
        width: 30px;
        height: 30px;
        margin-top: 21px;
        border-radius: 50%;
        position: relative;
        float: right;
    }
    .header .head_img img{
        border-radius: 50%;
        width: 100%;
        height: 100%;
    }
    .header .head_img i{
        position: absolute;
        top: -7px;
        right: -5px;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        background: #FF2444;
        color: #fff;
        font-size: 13px;
        line-height: 13px;
        text-align: center;
        font-style: normal;
    }
    /*<!-- 头部end -->*/


    /*主体*/

    .oa_con {
        margin-top: 20px;
    }

  /*  .oa_con  .con_nav{
        width: 180px;
        background-color: #fff;
        float: left;
        min-height: 400px;
    }*/
    .oa_con .con_content{
        width: 1000px;
        /*float: right;*/
    }



    .middle{
        width: 1000px;
        background-color: #fff;
        min-height: 729px;
    }
    .oa_content{
        width: 1200px;
        margin: 0 auto;
    }