* {
  margin: 0;
  padding: 0;
}
fieldset,
img,
input,
button {
  /*fieldset组合表单中的相关元素*/
  border: none;
  padding: 0;
  margin: 0;
  outline-style: none;
}
ul,
ol {
  list-style: none;
  /*清除列表风格*/
}
input {
  padding-top: 0;
  padding-bottom: 0;
  font-family: "SimSun", "宋体";
}
select,
input {
  vertical-align: middle;
}
select,
input,
textarea {
  font-size: 12px;
  margin: 0;
}
textarea {
  resize: none;
}
/*防止多行文本框拖动*/
img {
  border: 0;
  vertical-align: middle;
}
table {
  border-collapse: collapse;
  /*合并外边线*/
}
body {
  font-size: 16px ;
  font-family: "Microsoft Yahei";
  /*宋体，Unicode，统一码*/
  /*color: #666;*/
  background: #fff;
}
input[type="checkbox"] {
  display: none;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
.clearfix::after {
  content: "";
  display: block;
  width: 100%;
  height: 0;
  clear: both;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  text-decoration: none;
  font-weight: normal;
  font-size: 100%;
}
s,
i,
em {
  font-style: normal;
  text-decoration: none;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.al {
  text-align: left;
}
.ac {
  text-align: center;
}
.ar {
  text-align: right;
}
.hide {
  display: none;
}
.red {
  color: red;
}
.w{
  max-width: 1200px;
  margin: 0 auto;
}