body{
	background-color: #f7f7f7;
	
}
#tf-home{
    background: url(../image/serve_img_header.png);
}
#tf-home .overlay{
    height:500px;
}
#tf-footer{
    margin-top: 0;
}
#tf-title .second-title{
    font-size:38px;
}
.tab{
    margin:0 auto;
    background-color: #f7f7f7;
    text-align: center;
    width:1102px;
    padding-bottom:30px;

}
.tab li{
    float: left;
    width:30%;
    height:550px;
    background-color: #fff;
    padding:40px;
    outline-style: none;
    list-style: none;
    margin-left: 26px;
    margin-top: 20px;
    box-shadow: 0 3px 3px #ddd;
    text-align: center;
    position: relative;
}
.tab li h2{
    font-size:24px;
    font-weight: 400;
    color:#333;
    margin-top:50px;
}
.tab li p{
    font-size:14px;
    color:#485e73;
    margin:20px 0 25px 0;
}
.tab li .price{
    font-size:20px;
    color:#ed6900;
    font-weight: 700;
    margin-bottom:30px;
}
.tab li .price del{
    font-size:12px;
    color:#999;
    font-weight:100;
}
.tab li span{
    font-size:15px;
    color:#aab5c1;

}
.tab li .button{
    width:138px;
    height:45px;
    border-radius: 45px;
    border:2px solid #143f66;
    background-color: #fff;
    line-height: 45px;
    color: #143f66;
    position: absolute;
    bottom:40px;
    left:50%;
    margin-left:-69px;
    cursor:pointer;
}