#bookBox{
    position: relative;
    width: 900px;
    margin: 0 auto;
    max-width: 100%;
}
#bookBox .service-pic .slick-prev{
    z-index: 9;
    left: 12px;
}
#bookBox .service-pic .slick-prev:before,#bookBox .service-pic .slick-next:before{
    font-size: 24px;
}
#bookBox .service-pic .slick-next{
    right: 12px;
}

#bookBox li a{
    background-size: cover;
    display: block;
    background-position: 50% 50%;
}
#bookBox li a img{
    width: 100%;
}
#bookBox .ser-box{
    background-size: cover;
}
#bookBox .service-txt li{
    -webkit-filter:brightness(.5);
}
#bookBox .service-txt li:hover{
    -webkit-filter:brightness(1);
}
#bookBox .slick-slide img.fixedimg {display:none;}
#bookBox .service-txt li{
    margin: 30px 3px 0;
    transition: all linear 0.3s;
}
@media screen and (max-width: 480px) {

}