.centet{
    width: 700px;
    margin: 0 auto;
    border: 1px solid #000;
    border-right-width: 5px;
    overflow: hidden;
    background-color: #fff;
    min-height: 200px;
    padding: 50px;
    background: #fff;
    .title{
        text-align: center;
        .doctument_code{
            border-bottom: 3px solid #f00;
            padding: 10px;
            text-align: center;
            color: #000;
            width: 100%;
            margin-top: 24px;
            font: 16pt / 28pt 仿宋_GB2312;
        }
    }
    
    .centet_title{
        font: bold 17pt / 26pt 黑体;
        text-align: center;
        margin: 0;
        padding: 54px 10px;
    }
    .content_info{
        /* text-indent: 2em; */
        font: 16pt / 28pt 仿宋_GB2312;
    }
    .content_footer{
        min-height: 20px;
        border: 1px solid #000;
        border-right: 0;
        border-left: 0;
        font: 16pt / 28pt 仿宋_GB2312;
        margin-top: 50px;
        .send{
            padding: 20px;
            border-bottom: 1px solid #000;
        }
        .source{
            padding: 20px;
            display: flex;
            justify-content: space-between;
        }
    }
}