.sub-content>h2{
    text-align: center;
    font-size:18px;
    color:#333;
}
.sub-content>h2>span{
    font-size:12px;
    color:#999;
}



.product-list{
    width:830px;
    margin:20px 0;
    overflow:hidden;
}
.product-list>ul{
    width:918px;
    overflow:hidden;
}
.product-list>ul>li{
    float:left;
    width:258px;
    margin-right:27px;
    margin-bottom:27px;
}
.product-list>ul>li>a{
    display:block;
    height:180px;
    overflow:hidden;
    width:258px;
    position:relative;
    transition:0.5s;
    -webkit-transition:0.5s;
    -moz-transition:0.5s;
    -ms-transition:0.5s;
    -o-transition:0.5s;
}
.product-list>ul>li>a>img{
    width:100%;
    transition: 0.5s;
    -moz-transition:0.5s;
    -ms-transition:0.5s;
    -o-transition:0.5s;
}
.product-list>ul>li>a>span{
    display:block;
    width:258px;
    height:40px;
    position:absolute;
    bottom:0;
    left:0;
    background:rgba(0,0,0,.8);
    line-height:40px;
    color:#f0f0f0;
    text-align:center;
}
.product-list>ul>li>a:hover{
    box-shadow:0 5px 20px 0 rgba(0,0,0,.8);
    -webkit-box-shadow:0 5px 20px 0 rgba(0,0,0,.8);
    -moz-box-shadow:0 5px 20px 0 rgba(0,0,0,.8);
    -ms-box-shadow:0 5px 20px 0 rgba(0,0,0,.8);
    -o-box-shadow:0 5px 20px 0 rgba(0,0,0,.8);
}
.product-list>ul>li>a:hover img{
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -o-transform: scale(1.1);
}
.product-list>ul>li>a:hover span{
    color:#fff;
}