body{
  margin: 0;
}
* {
  box-sizing: border-box;
}
html {
  -webkit-tap-highlight-color: transparent;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  font-family: "microsoft yahei";
}
body {
  -webkit-overflow-scrolling: touch;
  font-family: "microsoft yahei";
  -webkit-transition: ease;
  -o-transition: ease;
  transition: ease;
}
img {
  border: 0;
  vertical-align: middle;
}
input,
select {
  outline: 0;
}
a {
  text-decoration: none;
  color: inherit;
}
ol,
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.clearfix:after {
  display: block;
  content: "";
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
a,
img {
  -webkit-touch-callout: none;
}