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

body {
  font: normal 14px/1.5 "Microsoft Yahei";
  background: #fff;
}

img {
  display: block;
  margin: 0;
  border: none;
}

a {
  text-decoration: none;
  color: #fff;
}

ul,
ol {
  list-style: none;
}

button, input {
  outline: none;
  -webkit-appearance: none;
  border: none;
}

button {
  cursor: pointer;
}

button:active{
  opacity: 0.8;
}

.wrap {
  width: 1200px;
  margin: 0 auto;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.hide {
  display: none;
}

.show {
  display: block;
}

.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  visibility: hidden;
  height: 0;
}

.clearfix {
  zoom: 1;
}