/*- public css--------------------------- */
html {font-family: Arial, Helvetica, sans-serif;font-size:12px;}
body {margin:0;text-align:center; background:url(../images/mainbg.jpg) center 6px no-repeat;background-color:#D9F3FB;}
img { border:0;margin:0; padding:0;}

.mainbg{ margin-top:87px;}
.mainban{text-align:center;margin:auto auto 20px auto;}
.wenjiao{ margin-right:160px;}