body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
dl,
dt,
dd,
ul,
ol,
li,
button,
input,
textarea,
th,
td {
  margin: 0;
  padding: 0
}

html,
body {
  height: 100%;
}

body {
  font-family: "Microsoft YaHei", "微软雅黑","Arial", "黑体", "宋体", sans-serif;
}

body::-webkit-scrollbar {
  display: none;
  width: 0px;
}

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

a {
  text-decoration: none;
}

ol,
ul,
li {
  list-style: none;
}

img {
  vertical-align: top;
  border: none;
}

input,
select,
button,img,div{
  outline: none;
  border: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.clearfix {
  display: block;
}

.none {
  display: none;
}
.cover.block{
  display: block;
}
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
  font-size: 0;
}