.rwtx {
    width: 23%;
    padding: 2%;}
.zw{width: 77%;
   
    height: 294px;}
    .rwtx img {
        width: 100%;
        height: 250px;}

    .fl {
        float: left;}

    .clear {
        clear: both;}

    .bt {
        margin-top: 50px;
        font-size: 29px;
        font-weight: 900;
        font-family: 宋体;
        line-height: 50px;
        margin-left: 10px;}

    .zws {
        margin-top: 20px;
        font-size: 20px;
        font-weight: 900;
        margin-left: 10px;
        font-family: 宋体;}

.gz {
    font-size: 18px;
    font-family: 宋体;
    text-indent: 2em;

    padding: 10px 20px;
    line-height: 35px;}