/*幻灯片*/
.ppt {
    width: 100%;
    height: calc(100% - 20px);
    border: 1px solid #ccc;
    position: relative;
}

.ppt img {
    position: absolute;
    top: 10px;
    left: 7px;
    width: calc(100% - 15px);
    height: calc(100% - 20px);
    overflow: hidden;
}

.pptNum {
    position: absolute;
    height: 13px;
    line-height: 14px;
    bottom: 12px;
    right: 10px;
    /*display: none;*/
}

.pptNum span {
    font-size: 12px;
    font-weight: 400;
    color: #FFF;
    float: right;
    display: block;
    width: 24px;
    text-align: center;
    background: #000;
    border-left: solid 1px #FFF;
    cursor: pointer;
}

.pptNum .normal {
    color: #FFF;
    background: #000;
    filter: Alpha(opacity=50);
    opacity: .5;
}

.pptNum .cur {
    background: #ce0609;
    color: #FFF;
}