* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}
body {
  font-size: 14px;
  background-color: #f3f5f9;
  line-height: 1.5;
  color: #595757;
  font-family: "Microsoft YaHei", Arial, "Helvetica Neue", Helvetica, sans-serif;
}
a {
  text-decoration: none;
  color: #000;
  transition: all 0.2s linear;
}
a:hover {
  opacity: 0.7;
}
ul,
li {
  list-style: none;
}