/*特效容器*/
#banner{width: 450px;height: 265px;position: relative;overflow: hidden;}
/*大图片*/
#banner .pic{width: 450px;height: 265px;position: relative;}
#banner .pic ul li{list-style: none;width: 450px;height: 265px;position: absolute;left: 0;top: 0;display: none;}
#banner .pic ul li.first{display: block;}
#banner .pic ul li img{    width: 450px;height: 265px;}

/*按钮*/
#banner .but{width:104px;height: 10px;position: absolute;bottom: 10px;left: 50%;margin-left: -10px;}
#banner .but ul li{list-style: none;width: 10px;height: 10px;float: left;margin: 0 5px;background-color: white;border-radius: 50%;}
#banner .but ul li.first{background-color: red;}
/*图片导航*/
#banner .picnav{width: 450px;height: 69px;padding-left:5px;background-color: rgba(0,0,0,0.1);position: absolute;bottom: 0;}
#banner .picnav ul li{list-style: none;width: 100px;height: 59px;float: left;margin: 5px;}
#banner .picnav ul li.first{border-bottom: 4px solid red;}
#banner .picnav ul li img{width: 100px;height: 59px;}