* {
  box-sizing: border-box;
}
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
}
body,
button,
input,
select,
textarea {
  font-family: 'Microsoft YaHei', arial, SimSun, sans-serif, tahoma;
}
body {
  -webkit-text-size-adjust: none;
}
input,
select,
textarea {
  font-size: 100%;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
fieldset,
img {
  border: 0 none;
}
iframe {
  display: block;
}
abbr,
acronym {
  border: none;
  font-variant: normal;
}
del {
  text-decoration: line-through;
}
address,
caption,
cite,
code,
dfn,
em,
th,
var {
  font-style: normal;
  font-weight: 500;
}
ol,
ul {
  list-style: none;
}
caption,
th {
  text-align: left;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: 500;
}
q:before,
q:after {
  content: '';
}
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sup {
  top: -0.5em;
}
sub {
  bottom: -0.25em;
}
ins,
a {
  text-decoration: none;
}
.clearfix:before,
.clearfix:after {
  content: '';
  display: table;
}
.clearfix:after {
  clear: both;
  overflow: hidden;
}
.clearfix {
  zoom: 1;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.hidenone {
  display: none;
  visibility: hidden;
}
.hide {
  visibility: hidden;
}
.mt10 {
  margin-top: 10px;
}
.mt20 {
  margin-top: 20px;
}
.ml10 {
  margin-left: 10px;
}
.mr10 {
  margin-right: 10px;
}
.pt10 {
  padding-top: 10px;
}
.pl10 {
  padding-left: 10px;
}
.pr10 {
  padding-right: 10px;
}
.tc {
  text-align: center;
}

.wd-1200 {
  width: 1200px;
}
.wd-1200::after {
  clear: both;
  display: table;
  content: '';
}