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

body {
  padding: 0;
  margin: 0;
  font-family: "microsoft yahei";
  font: normal 12px/180% \5FAE\8F6F\96C5\9ED1;
  color: #333;
  text-align: center;
  background: #fff;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
button,
input,
textarea,
th,
td {
  margin: 0;
  padding: 0;
}

input {
  border: 0;
  outline: none;
}

div {
  text-align: left;
  font: normal 14px/180% \5FAE\8F6F\96C5\9ED1;
}

a,
a:link,
a:visited {
  color: #333;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

img {
  border: none;
}

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

em {
  font-style: normal;
}

/*clear*/

.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}

.clearfix:after {
  clear: both;
  overflow: hidden;
}

.clearfix {
  zoom: 1;
}

/*other*/

h1,
h2,
h3,
h4,
h5,
h6 {
  text-align: left;
  font: normal 12px/200% Microsoft YaHei;
}

.mt10 {
  margin-top: 10px;
}

.mb10 {
  margin-bottom: 10px;
}

.m10 {
  margin: 10px auto;
}

.w1200 {
  width: 1200px;
  margin: 0 auto;
}

/* ÊÊÅäÒƶ¯¶Ë */

@media screen and (max-width: 850px) {
  .w1200 {
    width: 95%;
    margin: 0 auto;
  }
  .header-con {
    height: auto;
  }
  .header-con img {
    width: 90%;
    margin: 0 auto;
  }
  .smalltitle {
    font-size: 24px;
  }
}