.page_404{background-position:center center;background-repeat:no-repeat;background-size:cover;position:relative}
.page_404:before{top:0;left:0;right:0;bottom:0;background:#000;opacity:.68;content:''}
.page_404 .wrap_float{position:relative;height:100vh;display:flex;align-items:center;min-height:600px}
.page_404 .logo{font-size:43px;font-weight:300;color:#fff;width:auto;display:block;position:absolute;top:80px}
.center-text .title{font-size:40px;color:#fff;font-weight:900;margin-bottom:10px}
.center-text .subtitle{color:#fff}
.center-text .btn{color:#fff;margin-top:42px;height:50px;font-size:18px;font-weight:500;line-height:48px}
.footer{display:none;}
@media screen and (max-height: 550px) {
.page_404 .logo{top:45px}
}
@media screen and (max-width: 686px) {
.page_404 .logo{font-size:34px;top:25px}
.center-text .title{font-size:30px}
.center-text .btn{margin-top:28px;height:50px;line-height:50px;font-size:15px;padding:0 30px}
.page_404 .wrap_float{min-height:466px}
}