*,
body,
p {
  padding: 0;
  margin: 0;
  font-family: 'helvetica neue', 'microsoft yahei', 'pingfang sc', 'hiragino sans gb', 'stheiti', tahoma, sans-serif;
}
a {
  text-decoration: none;
}
h1,
h2,
h3,
h4,
h5,
h6,
i,
em,
b {
  font-style: normal;
}
html {
    width: 100%;
    min-width: 1440px;
}