.main{
    width:1200px;
    margin:auto;
    min-height: 462px;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.cf:after {
    display: block;
    content: '';
    height: 0;
    visibility: hidden;
    clear: both;
}

.cf {
    zoom: 1;
}

.hide {
    display: none;
}

.change{
    color: #ffffff !important;
    background-color: #bb2323 !important;
}

.main_item1{
    width:1200px;
    margin:auto;
    min-height: 462px;
}

.main_xzk{
    width:1200px;
    height: auto;
    margin-bottom: 20px;
}

.main_xzk_item{
    float: left;
    padding: 20px;
    margin-right: 15px;
    font-size: 18px;
    color: #333333;
    background-color: #f6f6f6;
    box-shadow: 0px 2px 24px 0px rgba(202, 202, 202, 0.9);
}