/* 初始化css */
body,
ul,
li,
p,
h1,
h2,
h3,
h4,
dl,
dd,
form,
input,
textarea,
select {
  padding: 0;
  margin: 0;
}
body {
  font-size: 18px;
  font-family: "Arial","Microsoft YaHei","黑体","宋体",sans-serif;
  line-height: 1;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}