/*首页*/
.m_banner{ background:#fff; position:relative; width:100%; float:left; overflow:hidden;}
.m_banner .banner{width:100%;  background-position:center top;}
.banner_ctrl{ width:100%; height:100px; position:absolute;top:360px; left:0px; z-index:2; text-align:center;}
.banner_ctrl a{ display:block;width:30px;height:100px; background:url(../image/banner_ctrl.png) no-repeat; position:absolute; opacity:.1;filter: alpha(opacity=10);
-moz-opacity:0.1;}
.banner_ctrl a.prev{ left:80px;}
.banner_ctrl a.next{ right:80px; background-position:-30px 0;}