.ban{ background:#eae9e9; width:100%;}
#banner { position: relative; z-index: 1; width:1100px; height:472px; margin:0 auto;}
#banner ul li { position: absolute; z-index: 2; }
#banner ul li img { width:1100px; height:472px;}

#banner .arrow-l { cursor: pointer; position: absolute; top: 45%; left: 1%; z-index: 999; display: inline-block; width:40px; height:40px; }
#banner .arrow-r { cursor: pointer; position: absolute; top: 45%; right: 1%; z-index: 999; display: inline-block; width:40px; height: 40px;  }
#banner .arrow-r:hover,#banner .arrow-l:hover { opacity: 0.8; }
#banner .slider-btn { display:none; }
#banner .banner-pageing { width: 100%; position:absolute; z-index: 222; top:440px; text-align:center; right:1px;}
#banner .banner-pageing a { margin-right:5px; width:16px; height:16px; display:inline-block; background:url(../images/dd1.png) no-repeat center; }
#banner .banner-pageing a.on,#banner .banner-pageing a:hover { background:url(../images/dd.png) no-repeat center; }