.content-box {
    margin-top: 50px;
}

.aplay-box {
    float: right;
    margin-top: 0;
    position: relative;
    width: 40%;
}

    .aplay-box .price {
        font-size: 18px;
        color: #666;
        text-decoration: line-through;
        position: absolute;
        top: 35px;
        margin-left:40px;
    }

    .aplay-box .discount-price {
        color: #ff0000;
        font-size: 24px;
        display: inline-block;
        position: absolute;
        top: 55px;
        margin-left: 40px;
    }

    .aplay-box .quick_btn {
        width: 160px;
        height: 50px;
        background: #FF0000;
        color: #fff;
        font-size: 18px;
        text-align: center;
        line-height: 50px;
        display: inline-block;
        margin-top: 35px;
        margin-right: 40px;
        cursor: pointer;
        margin-left: 10px;
        border-radius: 5px;
        position: absolute;
        left: 55%;
    }

    .aplay-box .quick_btns {
        width: 160px;
        height: 50px;
        background: #999;
        color: #fff;
        font-size: 18px;
        text-align: center;
        line-height: 50px;
        display: inline-block;
        margin-top: 35px;
        margin-right: 40px;
        cursor: pointer;
        margin-left: 10px;
        border-radius: 5px;
        position: absolute;
        left: 55%;
    }

    .aplay-box span {
        font-size: 14px;
        color: #ff6600;
        display: block;
        float: right;
        margin-top: 78px;
        margin-right: 56px;
    }

        .aplay-box span .num {
            color: #ff6600;
            font-size: 14px;
        }

.course-infos-t .video-dark-box {
    width: 862px;
    height: 312px;
    box-sizing: border-box;
}

.course-infos-t .video-dark-box {
    width: 862px;
    height: 312px;
    box-sizing: border-box;
}

    .course-infos-t .video-dark-box #videoInfo {
        width: 564px;
        height: 100%;
        position: relative;
        overflow: hidden;
        box-sizing: border-box;
    }

        .course-infos-t .video-dark-box #videoInfo #content {
            position: relative;
            padding-right: 95px;
            display: table;
        }

            .course-infos-t .video-dark-box #videoInfo #content .con {
                display: table-cell;
                vertical-align: middle;
            }

            .course-infos-t .video-dark-box #videoInfo #content .info-name {
                font-weight: bold;
                font-size: 24px;
                color: #FFFFFF;
                line-height: 36px;
                margin-bottom: 16px;
            }

            .course-infos-t .video-dark-box #videoInfo #content .info-desc {
                font-size: 14px;
                color: #FFFFFF;
                line-height: 28px;
            }

.l {
    float: left;
}

.aplay-tc-box {
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.6);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999999999999;
    display: none;
}

.close-btn-tc {
    display: inline-block;
    width: 40px;
    height: 40px;
    float: right;
    margin-top: 20px;
    margin-right: 20px;
    cursor: pointer;
    transform: rotate(0deg);
    transition: .2s;
}

    .close-btn-tc:hover {
        transform: rotate(180deg)
    }

.aplay-tc-box .aplay-box {
    width: 800px;
    height: 450px;
    background: #000;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}

.buyed {
    background: #ccc !important;
    border: none !important;
}

.aplay-box .buyed {
    background: #ccc;
    border: none;
}

.part5 .main .contains1 ul li:hover a em {
    color: #ff6600;
}

.part5 .main .contains1 ul li:hover a i {
    color: #ff6600;
    border-bottom: 1px solid #ff6600;
}

.part5 .main .contains2 ul li:hover a em {
    color: #ff6600;
}

.part5 .main .contains2 ul li:hover a i {
    color: #ff6600;
    border-bottom: 1px solid #ff6600;
}

.coumDown {
    width: 320px;
    height: 56px;
    border: 2px solid #fff;
    line-height: 1.5;
    position: absolute;
    top: 75px;
    left: 67%;
}

.coumDown-left {
    color: #fff;
    font-size: 15px;
    width: 24%;
    padding-left: 10px;
    padding-top: 5px;
}

.coumDown p {
    color: #fff;
    font-size: 18px;
}

.coumDown-right {
    float: right;
    margin-top: -36px;
    margin-right: 5px;
}

    .coumDown-right p span {
        padding: 5px;
        background: #00184C;
    }


#chatBtn img {
    width: auto;
}