.tab_coal {
    font-family: "宋体";
    width: 630px;
    border: 1px solid #D8D8D8;
    margin: 15px auto;
    margin-bottom: 45px;
    text-align: -webkit-center;
}
.tab_coal th {
    font-family: "宋体";
    height: 45px;
    vertical-align: central;
    line-height: 45px;
    background: #dd1019;
    text-align: center;
    color: #fff;
    font-size: 14px;
    font-weight: bold;
    border-bottom: 1px solid #E8E8E8;
}
.tab_coal td {
    font-family: "宋体";
    font-weight: bold;
    height: 30px;
    line-height: 30px;
    color: #666;
    text-align: center;
    border-bottom: 1px solid #E8E8E8;
}
.line_height22 {
    line-height: 22px;
}
.tc {
    text-align: center;
}
.mt40 {
    margin-top: 40px;
}
.yahei {
    font-family: Microsoft yahei;
}
.f22 {
    font-size: 22px;
}
.darkgray {
    color: #333;
}
.channeldes{
    margin-bottom: 30px;
    line-height: 30px;
}