/* 播放PDF转化成的图片 */
.slide{width:500px;height:763px;margin:0 auto 0 auto;overflow:hidden;position:relative;background-color:#000;z-index:10;}
.slide ul{height:763px;}
.slide ul li{width:500px;height:763px;float:left;}
.slide .bg{width:500px;height:34px;position:absolute;background-color:#000;bottom:0;left:0;border-top:1px solid #fff;filter:alpha(opacity=30);opacity:.3;z-index:5;}
.slide .num{overflow:hidden;zoom:1;position:absolute;right:20px;bottom:11px;z-index:10;}
.slide .num span{display:inline-block;width:12px;height:12px;background:url(../images/bg-slide.png) 0 -12px no-repeat;_background:url(../images/bg-slide.png) 0 -12px no-repeat;cursor:pointer;overflow:hidden;}
.slide .num span.on{background-position:0 0;}
.slide .skip{display:none;_display:block;width:23px;height:47px;background:url(../images/bg-slide.png) no-repeat;_background:url(../images/bg-slide.png) no-repeat;position:absolute;top:50%;margin-top:-24px;text-indent:-1000em;cursor:pointer;}
.slide .prev{background-position:0 -172px;left:10px;}
.slide .prev:hover{background-position:0 -219px;}
.slide .next{background-position:-23px -172px;right:10px;}
.slide .next:hover{background-position:-23px -219px;}
.slide:hover .prev,.slide:hover .next{display:block;}
.slide .num{bottom:11px;}