/* banner图 */

#banner{

    height: 350px;

}



/* 主体内容 */

#main{

    height: auto;

}

#main .tab{

    margin-top: 40px;

    margin-bottom: 20px;

    height: 60px;

    position: relative;

}

#main .tab .btn:nth-of-type(1){

    margin-right: 10px;

}

#main>ul>li{

    position: relative;

    float: left;

    width: 280px;

    height: 220px;

    cursor: pointer;

    margin-right: 20px;

    margin-bottom: 5px;

}

#main-img{

    margin-top: 60px;

}



#main>ul>li span{

    position: absolute;

    left: 0;

    bottom: 0;

    width: 100%;

    height: 30px;

    background: rgba(0,0,0,.5);

    color: #fff;

    line-height: 30px;

    text-align: center;

    font-size: 14px;

}

#main>ul>li img{

    width: 100%;

    height: 100%;

}

#main>ul>li:hover{

    box-shadow: 0 0 15px #ccc;

}

.page{

    margin-top: 110px;

    padding: 0 540px;

}