.slider { width: 1200px; position: relative; }

.slider .num { height: 15px;margin-top: 50px;zoom:1; z-index:3 }
.slider .num ul{width: 1200px;text-align: center;}
.slider .num li { width: 25px; height: 25px; line-height: 25px; text-align: center; font-weight: 400; color: #FFFFFF; border: 1px solid #333; margin-right: 10px; cursor:pointer; display: inline-block; }
.slider .num li.on { background: #001E5F;border-color: #001E5F; color: #fff; }
.slider .num li.on>a {color: #fff; }

.slider .prev,
.slider .next { display: none; width: 40px; height: 100px;top: 50%;margin-top: -50px; background: url(../img/btn.png) no-repeat; position: absolute;}
.slider .prev { left: -60px; }
.slider .next { right: -60px; background-position: right }