* {
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  margin: 0;
}

body,
ul,
ol,
li,
p,
h1,
h2,
h3,
h4,
h5,
h6,
form,
table,
td,
img,
div {
  margin: 0;
  padding: 0;
  border: 0;
}

ul,
ol,
li {
  list-style-type: none;
}

select,
input,
img,
select {
  vertical-align: middle;
}

a {
  text-decoration: none;
}

.fl {
  float: left;
}

.fr {
  float: right;
}