.idea_lun{
    width: 50%;
    overflow: hidden;
}
.idea_lun .slideBox {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.idea_lun .slideBox .hd {
    overflow: hidden;
    position: absolute;
    right: 5px;
    bottom: 38px;
    z-index: 1;
    width: 100%;
    font-size: 0;
}

.idea_lun .slideBox .hd ul {
    overflow: hidden;
    zoom: 1;
    width: 100%;
    text-align: center;
}

.idea_lun .slideBox .hd ul li {
    display: inline-block;
    margin-right: 15px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    text-align: center;
    background: rgba(0,0,0,0.3);
    cursor: pointer;
}
.idea_lun .slideBox .hd ul li:last-child{
    margin-right: 0;
}

.idea_lun .slideBox .hd ul li.on {
    border: 2px solid #be0000;
    background: rgba(0,0,0,0);
}

.idea_lun .slideBox .bd {
    position: relative;
    height: 100%;
    z-index: 0;
}

.idea_lun .slideBox .bd li {
    zoom: 1;
    vertical-align: middle;
}

.idea_lun .slideBox .bd img {
    width: 100%;
    height: 100%;
    display: block;
}