html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, dialog, figure, header, footer, hgroup, menu, nav, section, time, mark, audio, video { margin: 0; padding: 0; border: 0; outline: 0; font-weight: inherit; font-style: inherit; font-size: 100%; font-family: "Microsoft Yahei"; }
article, aside, nav, section, dialog, figure, header, footer, hgroup { display: block; }
legend,.hide { display: none; }
:focus { outline: 0; }
table { border-collapse: collapse; border-spacing: 0; }
caption, th, td { text-align: left; font-weight: normal; }
a { color: #333; text-decoration: none; }
a img, iframe { border: none; }
ul { list-style: none; }
input, textarea, select, button { font-size: 100%; font-family: inherit; }
input, select { vertical-align: middle; }
select { margin: inherit; }
button { border: 0; padding: 0; background: transparent; cursor: pointer; }
body { min-width: 1200px; }
/* Fixes incorrect placement of numbers in ol's in IE6/7 */ 
ol { margin-left: 2em; }
/* ========================================= clearfix == */ 
.clearfix:after { content: "."; display: block; height: 0; clear: both; visibility: hidden; }
.clearfix { display: inline-block; }
* html .clearfix { height: 1%; }
.clearfix { display: block; }
.g-doc { margin: 0 auto; }
.fl { float: left; }
.fr { float: right; }
.mb20{margin-bottom:20px;}