html,
body,
section,
div,
dl,
dt,
dd,
ul,
li,
h2,
h4,
p {
  margin: 0;
  padding: 0;
}

html {
  font-family: "SourceHanSansCN-Regular", "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}

h2,
h4,
p {
  line-height: 1.5;
}

li {
  list-style-type: none;
}

a {
  text-decoration: none;
  color: white;
  font-size: 16px;
}

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

.clearfix {
  zoom: 1;
}