*{padding: 0;margin: 0}
body{font: 14px/1.5 "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimSun, sans-serif;
-moz-osx-font-smoothing: grayscale;-webkit-font-smoothing: antialiased;word-break: break-all;}
.tip{text-align: center;display: table;width: 100%;height: 100%;position: absolute;top: 0;left:0;right: 0;bottom: 0}
.tip-con{display: table-cell;vertical-align: middle;}
.tip h3{font-size: 26px;margin-bottom: 14px;font-weight: normal;}
.tip p{font-size: 14px;color: #888}
.btn{margin-top:50px}
.btn a{display: inline-block;font-size: 16px;text-decoration: none;color: #444}
.icon{display: inline-block;width: 24px;vertical-align: middle; margin-top:-4px;margin-right: 10px;}
.icon404{-webkit-animation: twinkling .6s infinite ease-in-out;margin-bottom:30px}
.icon404 > svg { fill: currentColor;}
@-webkit-keyframes twinkling{
0%,100%{color: #ccc}
50%{color: #333}
}
@media only screen and (max-width: 640px){
.tip h3{font-size:20px;margin-bottom:10px;font-weight: normal;}
}