ul
{
    list-style: none;
}
img
{
    border: none;
}
a
{
    blr: expression(this.onFocus=this.blur());
    outline: none;
}
.banner
{
    width: 100%;
    height: 498px;
    position: relative;
    overflow: hidden;
}
.banner .num
{
    overflow: hidden;
    height: 25px;
    position: absolute;
    bottom: 12px;
    left: 48%;
    zoom: 1;
    z-index: 3;
}
.banner .num li
{
    width: 25px;
    height: 25px;
    line-height: 25px;
    text-align: center;
    font-weight: 400;
    font-family: "微软雅黑",Arial;
    color: #fff;
    background: #444;
    margin-right: 10px;
    border-radius: 50%;
    cursor: pointer;
    float: left;
}
.banner .num li.on
{
    background: #f70;
}
.banner .prev, .banner .next
{
    display: none;
    width: 40px;
    height: 100px;
    background: url(../image/btn.png) no-repeat;
    position: absolute;
    top: 200x;
}
.banner .prev
{
    left: 15%;
}
.banner .next
{
    right: 15%;
    background-position: right;
}