.hw{width:1440px;margin:0 auto;}
/* 通用title */
.box .title{
    text-align: center;
    
}
.box .title h3{   
    font-size:50px;
    font-weight: 800;
    color:rgba(17,17,17,1);
    line-height:72px;
    margin-bottom:10px;
    letter-spacing: 2px;
}
.box .title p{   
    font-size:18px;
    color:rgba(51,51,51,1);
    line-height:30px;
    /* letter-spacing: 4px; */
}

.sy_box{
    background:url(/assets/imgs/home/shiyong_bg.png) no-repeat;
    background-size: cover;
    padding: 114px 0 185px;
    position: relative;
    margin-bottom:-1px;
}
.sy_box .title p{
    opacity: 0.7;
    color:#fff!important;
}
.sy_box .title h3{
    color:#fff!important;
    letter-spacing: 5px;
    font-weight: 800;
}
.sy_box .free_btn{
    display: block;
    width:148px;
    height:46px;
    border-radius: 24px;
    color:#fff;
    font-size: 14px;
    position: absolute;
    left:50%;
    margin-left:-74px;
    bottom: 88px;
    text-align: center;
    line-height: 46px;
    border: 1px solid #fff;
    cursor: pointer;
}

.sy_box .free_btn:hover{
    background:#fff;
    color:#017EFF;
}