.getcode{
      border:none;
      height: 40px;
      width: 120px;
      border:1px solid #ccc;
      background-color: #fff;
      color: #666;
      cursor: pointer;
    }
    .mm{
         width: 100%;
         height: 100%;
         position: fixed;
         top:0;
         left: 0;
         z-index: 9999999;
         display: none;
    }
    .mmbox{
        width: 350px;
        height: 250px;
        background-color: #fff;
        margin: 0 auto;
        margin-top: 20%;
        padding: 10px;
        border:5px solid #ccc;
        position: relative;
    }
    .mmbox01{
         width:100px;
         float: left;
         height: 100px;
    }
      .mmbox02{
         width:130px;
           height: 100px;
         float: left;
           margin-left: 5px;
    }
    .mmbox03{
          width:70px;
           height: 100px;
         float: left;
         margin-left: 5px;
    }
    #yan_code{
         width: 100%;

            height: 30px;
            padding: 0 5px;
            font-family: "微软雅黑","Microsoft Yahei";
            font-size: 16px;
            border: 1px solid #e5e5e5;
            
    }
    #subcode{
          width: 100%;
          background-color: #fff;
          border:1px solid #009999;
           height: 30px;
           color: #009999;
    }
    #cha{
          display: block;
          width: 25px;
          height: 25px;
          position: absolute;
          right: -25px;
          top: -25px;
    }
     #cha img{
          width: 100%;
          height: 100%;
     }
               .cover{
                width:100%;
                height:100%;
                position: fixed;
                top:0;
                left:0;
                background: rgba(0, 0, 0, .4);
                z-index: 99999;
                display: none;
                overflow-y:hidden;
            }