html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  min-height: 720px;
  background-color: #090e12;
  color: #fff;
  font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif;
  font-size: 12px;
  overflow: hidden auto;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

* {
  margin: 0;
  padding: 0;
}

div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
blockquote,
p {
  padding: 0;
  margin: 0;
}

li {
  list-style-type: none;
}

ol,
ul {
  list-style: none;
}

a:active,
a:visited,
a:hover,
a:link {
  outline: 0;
  text-decoration: none;
}

span,
input,
label,
textarea,
a {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

ul,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}

textarea {
  overflow: auto;
}

iframe {
  overflow: hidden;
}

.hidden {
  display: none;
  opacity: 0;
}

.hidden-important {
  display: none !important;
}

.clamp {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  max-width: 100%;
}

::-webkit-scrollbar {
  width: 8px;
  height: 6px;
  background-color: transparent;
}
::-webkit-scrollbar-track {
  background-color: transparent;
}
::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background-clip: padding-box;
  border: 1px solid rgba(255, 255, 255, 0);
}
::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.28);
}
::-webkit-scrollbar-thumb:active {
  background-color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
::-webkit-scrollbar-corner {
  display: none;
}
::-webkit-scrollbar-button {
  display: none;
}