/* 此处调节字体大小
.top .title font{
    font-size: 1em;
}
*/
.top .title span{
    transition: 0.5s;
}
.top .title:hover span:nth-child(1){
    margin-right: 10px;
}
.top .title:hover span:nth-child(2){
    margin-left: 10px;
}
.top .title:hover span{
    color: #fff;
    text-shadow: 0 0 10px #fff,
                 0 0 20px #fff,
                 0 0 40px #fff,
                 0 0 80px #fff,
                 0 0 120px #fff,
                 0 0 160px #fff;
}