ul, ol, dl, dd, dt {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

h1, h2, h3, h4, h5 {
  margin: 0;
}

a {
  text-decoration: none;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

*:focus {
  outline: 0;
}

body {
  font-family: "微软雅黑","Helvetica Neue",Helvetica,sans-serif;
}

.main:after {
  content: " ";
  clear: both;
  display: table;
}