body, div, ol, ul, h1, h2, h3, h4, h5, h6, p, th, td, dl, dd, form, iframe, input, textarea, select, label, article, aside, footer, header, menu, nav, section, time, audio, video {margin: 0;padding: 0; }
article, aside, footer, header, hgroup, nav, section, audio, canvas, video, img {display: block; }
body, button, input, select, textarea {font-size: 14px;font-family: "microsoft yahei","Helvetica Neue", Helvetica, sans-serif; }
body{margin: 0 auto;height: 100%;}
iframe, img {border: 0; }
textarea {resize: none; }
em, i {font-style: normal; }
ul, ol, li {list-style: none; }
button, input, select, textarea {font-size: 100%; }
a, a:visited {text-decoration: none; }
table {border-collapse: collapse;border-spacing: 0; }
img {-ms-interpolation-mode: bicubic;width:100%; }

.bg_w {background-color: #fff; }
.clear {clear: both;display: block;overflow: hidden;visibility: hidden;width: 0;height: 0; }
.clearfix:after {content: " ";clear: both;display: block;height: 0;visibility: hidden; }

.dawang li{float:left;width:50%;}