* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  min-width: 1400px;
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
}

dl, dd, h1, h2, h3, h4, h5, h6, p, form {
  margin: 0;
}

ol, ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  display: inline-block;
}

a, a:active, a:hover {
  text-decoration: none;
}

/* 清除浮动 */
.clearfix:after {
  content: "";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}