.banner{height:380px;width:100%;overflow:hidden;min-width:1200px;overflow-x:hidden;position:relative;}

/*本例css*/
.banner .j-banner { height:380px;width:1920px;text-align:center;position:relative;left:50%;margin-left:-960px;overflow:hidden;overflow-x:hidden;}

/*数字按钮样式*/
.banner .j-banner .num { overflow:hidden;width:200px;height:20px;text-align:center;height: 25px; position: absolute; bottom:12px; left: 50%;margin-left:-100px; zoom:1; z-index:3 }
.banner .j-banner .num li { width:12px; height:12px;display:inline-block; line-height: 12px;text-indent:100px;overflow:hidden;background-color:#fff; margin-right:15px; border-radius:50%; cursor:pointer; }
.banner .j-banner .num li.on { background-color:#084481; } /*当前项*/

/*上一个  下一个*/
.banner .prev,
.banner .next { display: none; width: 40px; height: 100px; background: url(../img/btn.png) no-repeat; position: absolute; top:120px;}
.banner .prev { left:50%;margin-left:-575px;}
.banner .next { right:50%; background-position: right ;margin-right:-575px;}