html,
body,
#app {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  color: #333;
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
}

div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

a {
  text-decoration: none;
  color: #409eff;
}

.yh-loader-box {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}
.yh-loader-wrapper {
  height: 100%;
  width: 100%;
}

.yh-loader {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -150px 0 0 -90px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #3498db;

  -webkit-animation: yh-loader-spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  animation: yh-loader-spin 2s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */
}

.yh-loader:before {
  content: '';
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #e74c3c;

  -webkit-animation: yh-loader-spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  animation: yh-loader-spin 3s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */
}

.yh-loader:after {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #f9c922;

  -webkit-animation: yh-loader-spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  animation: yh-loader-spin 1.5s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */
}

.yh-loader-footer {
  position: absolute;
  bottom: 25px;
  width: 100%;
  text-align: center;
}
.yh-progress {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 50px;
  margin: -87px 0 0 -36px;
  color: #fff;
  font-size: 30px;
}
.yh-loader-title {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 400px;
  color: #fff;
  text-align: center;
  margin: 30px -200px;
  font-size: 14px;
}
.yh-loader-copyright {
  color: #909399;
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  font-size: 13px;
}
.yh-loader-box #particles-background,
.yh-loader-box #particles-foreground {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  left: 100%;
  left: -51%;
  top: -51%;
  width: 202%;
  height: 202%;
  -webkit-transform: scale3d(0.5, 0.5, 1);
  -moz-transform: scale3d(0.5, 0.5, 1);
  -ms-transform: scale3d(0.5, 0.5, 1);
  -o-transform: scale3d(0.5, 0.5, 1);
  transform: scale3d(0.5, 0.5, 1);
}

.yh-loader-box #particles-background {
  background: mix(#3f3251, #002025, 70%);
  background-image: -moz-linear-gradient(45deg, #3f3251 2%, #002025 100%);
  background-image: -webkit-linear-gradient(45deg, #3f3251 2%, #002025 100%);
  background-image: linear-gradient(45deg, #3f3251 2%, #002025 100%);
}

@-webkit-keyframes yh-loader-spin {
  0% {
    -webkit-transform: rotate(0deg); /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: rotate(0deg); /* IE 9 */
    transform: rotate(0deg); /* Firefox 16+, IE 10+, Opera */
  }
  100% {
    -webkit-transform: rotate(360deg); /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: rotate(360deg); /* IE 9 */
    transform: rotate(360deg); /* Firefox 16+, IE 10+, Opera */
  }
}
@keyframes yh-loader-spin {
  0% {
    -webkit-transform: rotate(0deg); /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: rotate(0deg); /* IE 9 */
    transform: rotate(0deg); /* Firefox 16+, IE 10+, Opera */
  }
  100% {
    -webkit-transform: rotate(360deg); /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: rotate(360deg); /* IE 9 */
    transform: rotate(360deg); /* Firefox 16+, IE 10+, Opera */
  }
}