body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, label, button, input, select, option, textarea, optgroup, table, thead, tbody, tfoot, tr, th, td, div, span, img, a, em, i, iframe, :before, :after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0; }

body, button, input, select, option, textarea, optgroup, img {
  font: 16px/1 "Microsoft YaHei", 'Adobe 黑体 Std',Helvetica, Arial, sans-serif;
  outline: none;
  border: none; }
body{
  -webkit-font-smoothing: antialiased; /*chrome��safari*/
  -moz-osx-font-smoothing: grayscale;/*firefox*/
}
textarea {
  resize: none;
  overflow: auto; }

ul, ol {
  list-style: none; }

a {
  text-decoration: none;
  background-color: transparent;
  color: #000; }

table {
  border-collapse: collapse;
  border-spacing: 0; }

h1, h2, h3, h4, h5, h6 {
  font-size: 100%;
  font-weight: normal; }

article, aside, footer, header, nav, section, figcaption, figure, main, details, menu {
  display: block;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0; }

.clearfix:after {
  content: "";
  display: table;
  clear: both; }

.lf{
  float:left;
}
.rt{
  float:right;
}

a, a:hover, a:active, a:visited, a:link, a:focus {
  -webkit-tap-highlight-color: transparent;
  outline: none;
  /*background: none;*/
  text-decoration: none; }

strong, b {
  font-weight: normal;
}