.banner{height:500px; position:relative; z-index:1}
.banner .ban_c img{position:absolute;width:1920px;left:50%;margin-left:-960px;top:0;}
.banner .ban_nav{display:block;}
.banner .Left,.banner .Right{position:absolute;width:42px;height:42px;right:50%;bottom:280px;}
.slide{position:relative;width:100%;}
.ban_c{display:none;position:absolute;left:0;top:0;width:100%;height:100%;overflow:hidden;}
.ban_c img{width:100%;height:100%;}
.ban_t{position:absolute;left:0;bottom:0;width:100%;padding:4px 0;text-indent:10px;white-space:nowrap;overflow:hidden;color:#fff;background:rgba(0,0,0,.5);filter:progid:DXImageTransform.Microsoft.gradient(startcolorstr=#88000000,endcolorstr=#88000000);z-index:3;}
.ban_nav{position:absolute;bottom:30px;left:0;width:53%;text-align:right;z-index:4;}
.ban_nav a{display:inline-block;vertical-align:middle;width:20px;height:20px;line-height:20px;overflow:hidden;text-align:center;margin-right:6px;cursor:pointer;text-decoration:none;font-size:12px;-webkit-text-size-adjust:none; background:rgba(255,255,255,0.5); color:#000;}
.ban_nav .on{background:#224B97;color:#fff;}
.Left,.Right{cursor:pointer;}
.banner .Left{left:0px;background-position:5px 0; background:url(../images/left_02.png) no-repeat; width:44px; height:43px;}
.banner .Right{right:0px;background-position:-33px 0;background-color:#e6292f;background:url(../images/right_03.png) no-repeat; width:44px; height:43px;}