.pictab {position:relative; margin:0 auto; width:1000px; height:460px; }
.pictab .pictabul{position:absolute; width:1440px; left:-236px;}
.pictab img{width:100%; height:460px;}
/*数字按钮样式*/
.pictab .num { overflow:hidden; height: 25px; position: absolute; bottom:6px; left:45%; zoom:1; z-index:3 }
.pictab .num li { width: 25px; height: 25px; line-height: 25px; text-align: center; font-weight: 400; font-family: "微软雅黑", Arial; color: #FFFFFF; background: #444444; margin-right: 10px; border-radius:50%; cursor:pointer; float: left; }
.pictab .num li.on { background: #FF7700; } /*当前项*/
/*上一个  下一个*/
.pictab .prev,
.pictab .next { display: none; width: 40px; height: 100px; background: url(../flash/0btn.png) no-repeat; position: absolute; top: 162px;}
.pictab .prev { left: 0; }
.pictab .next { right: 0; background-position: right }