/* 头部广告 */
.advImg{
    background: url(../imgs/productAdv.jpg) no-repeat center;
    background-size: cover;
}
.productHead,.productDiv{
    overflow: hidden;
}
.productHead >img{
    width: 335px;
    height: 319px;
    float: left;
}
.retract{
    margin-left: 65px;
    text-indent: -65px;
}
.productHead >div{
    margin-left: 389px;
    line-height: 41px;
    font-size: 14px;
}
.productContent >p{
    line-height: 50px;
    background: #f4f4f4;
    padding-left: 40px;
    font-size: 16px;
    letter-spacing: 2px;
    margin: 48px 0;
}
.productDiv{
    margin: 0 0 20px 0;
}
.productDiv >li{
    float: left;
    margin-right: 61px;
}
.productDiv >li:last-child{
    margin-right: 0;
}
.productDiv >li >img{
    width: 335px;
    height: 245px;
}
.productContent .txt{
    line-height: 40px;
    text-indent: 50px;
    font-size: 14px;
}