.zb { float:left;}
.yb { float:right;}
.pa{ position:absolute;}
.pr{ position:relative}


.w1{
	width: 1200px!important;
	position: relative;
	left: 50%!important;
	margin-left: -600px!important;
}
.ww{
    width: 960px;
    position: relative;
    left: 50%;
    margin-left: -480px;
}


/*6大理由*/
div.liyou {
    margin-top:30px;
    margin-bottom: 30px; }
div.liyou h2 {
    text-align: center;
    margin-bottom: 29px; }
div.liyou h2 img {
    margin: 0 auto; }
div.liyou dt {
    width: 53px;
    float: left;
    padding: 0 5px 0 0; }
div.liyou dt img {
    width: 53px;
    height: 50px; }
div.liyou dd {
    width: 410px;
    float: left;
    margin-left: 10px; }
div.liyou dd h5 a {
    font-size: 30px;
    color: #333333; }
div.liyou dd h5 em {
    display: block;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: normal;
    color: #747474;
    text-transform: uppercase; }
div.liyou dd p {
    font-size: 15px;
    color: #2c2c2c;
    line-height: 22px; }
div.liyou div.youshi1 .img {
    width: 618px;
    height: 411px; }
div.liyou div.youshi1 .con {
    width: 542px;
    height: 345px;
    padding-top: 66px;
    padding-left: 40px; }
div.liyou div.youshi1 .con dl {
    width: 480px;
    display: inline-block;
    margin-bottom: 32px;
    overflow: hidden; }
div.liyou div.youshi2 .con {
    width: 542px;
    height: 331px;
    padding-top: 80px; }
div.liyou div.youshi2 .con dl {
    width: 580px;
    display: inline-block;
    margin-bottom: 32px;
    overflow: hidden; }
div.liyou div.youshi2 .con dl dt {
    float: right; }
div.liyou div.youshi2 .img {
    width: 582px;
    height: 411px; }
div.liyou div.youshi3 .img {
    width: 618px;
    height: 411px; }
div.liyou div.youshi3 .con {
    width: 542px;
    height: 331px;
    padding-top: 80px;
    padding-left: 40px; }
div.liyou div.youshi3 .con dl {
    width: 480px;
    display: inline-block;
    margin-bottom: 50px;
    overflow: hidden; }