.clear {
    clear: both;
}
.menus {
    width:1200px;
 
}
.menus ul {
    width:1200px;
    position: relative;
    float: left;
}
.menus .qh_bq li {
    float: left;
	background:#ececec;
    width:220px;margin-left:15px;
    height: 46px;
    line-height: 46px;
    text-align: center;
    cursor: pointer;
    -webkit-transition: all 0.5s;
       -moz-transition: all 0.5s;
        -ms-transition: all 0.5s;
         -o-transition: all 0.5s;
            transition: all 0.5s;
}

.menus .qh_bq li a{
font-size:18px;color:#333;
}
.menus .qh_bq li.qh_bq_bj a{
font-size:18px;color:#fff;
}

.menus li:nth-child(2) {
    color: #fff;
}
.menus .qh_bq li.qh_bq_bj{
background:#f57300;
}
.menus .bg {
    width:0px;
    height: 0px;
    position: absolute;
    left: 0;
    top: 0;
    background: #f57300;
    z-index: -1;
    -webkit-transition: all 0.5s;
       -moz-transition: all 0.5s;
        -ms-transition: all 0.5s;
         -o-transition: all 0.5s;
            transition: all 0.5s;
}
 

.tab {
    width: 1200px;
    height: 422px;
    border: 0px solid #000;
 
 
 
 
    display: none;
}
.show {
    display: block;
}
.title {
    text-align: center;
    padding: 20px;
    background: #ccc;
}