#lunbobox {
    width:100%;
    /*height:400px;*/
    height:0;
    padding-bottom:20.8%;
    position:relative;
}
.lunbo {
    width:100%;
    /*height:400px;*/
    height:0;
    padding-bottom:20.8%;
}
.lunbo img {
    width:100%;
    /*height:400px;*/
    height:100%;
    position:absolute;
    top:0px;
    left:0px;
}
#lunbobox ul {
    position:absolute;
    bottom:10px;
    left:45%;
}
#lunbobox ul li {
    cursor:pointer;
    width:10px;
    height:4px;
    border:1px solid #cccccc;
    float:left;
    list-style:none;
    background:#cccccc;
    text-align:center;
    margin:0px 5px 0px 0px;
}
#toleft {
    display:none;
    width:30px;
    height:100px;
    font-size:40px;
    line-height:100px;
    text-align:center;
    color:#f4f4f4;
    position:absolute;
    top:90px;
    left:12px;
    cursor:pointer;
    /*z-index:99;*/
    opacity:0.4;
}
#toright {
    display:none;
    width:30px;
    height:100px;
    font-size:40px;
    line-height:100px;
    text-align:center;
    color:#f4f4f4;
    position:absolute;
    top:90px;
    right:0px;
    cursor:pointer;
    /*z-index:99;*/
    opacity:0.4;
}