.black-container {
    width: 100%;
    background-color: #1C1F21;
    box-sizing: content-box;
}

.center-box {
    width: 1200px;
    margin: 0 auto;
}

.player-center {
    display: flex;
}

/*左边*/
.player-container {
    height: 760px;
    width: 870px;
}


.player-container .course-base-info {
    height: 130px;
    width: 870px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    position: relative;
}

.player-container .course-base-info .free-see-timer {
    color: #fff;
    position: absolute;
    bottom: -28px;
    right: 20px;
    z-index: 999;
    font-size: 16px;
}

.gold-text {
    color: #e9be76;
    cursor: pointer;
}

.gold-text:hover {
    color: #e9be76;
}

.player-container .course-base-info .title {
    font-size: 24px;
    color: #fff;
    line-height: 24px;
}

.player-container .course-base-info .course-base {
    display: flex;
    color: #fff;
    justify-content: space-between;
    align-items: center;
}

.my-buttons {
    position: relative;
}

.my-buttons .ui.mini.message.my-message {
    background: #000;
    color: rgb(255, 255, 255);
    border: none;
    padding: 8px 20px;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 45px;
    left: -175%;
    z-index: 9999;
    margin: 0;
}

.my-buttons .ui.mini.message.my-message:before {
    position: absolute;
    content: '';
    width: 8px;
    height: 8px;
    background: #000;
    transform: rotate(45deg);
    z-index: 2;
    top: -4px;
    right: 20px;
    margin-left: 0;
}

.player-container .course-base-info .course-base .teacher-avatar {
    display: flex;
    color: #fff;
    align-items: center;
}

.player-container .course-base-info .course-base .teacher-avatar img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.player-container .course-base-info .course-base .teacher-avatar .name {
    margin-left: 10px;
    margin-right: 10px;
}

.player-container .course-base-info .course-base .course-base-info-item {
    display: flex;
    justify-content: space-between;
}

.player-container .course-base-info .course-base .course-base-info-item .share {
    color: #fff;
    font-size: 16px;
}

.player-container .course-base-info .course-base .course-base-info-item .share i {
    color: #37AC3D;
}

.course-base-info-item .divider {
    width: 20px;
    text-align: center;
}

.player-container .video-box {
    width: 870px;
    height: 550px;
    position: relative;
}

.sign-button-box {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.live-announcement {
    position: absolute;
    left: 50%;
    transform: translate(-50%);
    width: 800px;
    text-align: center;
    color: #fff;
    background-color: rgba(255, 255, 255, .1);
    padding: 7px 0;
}

.player-container .video-box .video-player {
    height: 550px;
}

/*右边*/
.course-right-layout {
    width: 330px;
    height: 760px;
}

.course-right-layout .top-box {
    height: 130px;
    position: relative;
}

.course-right-layout .top-box .my-add-btn {
    position: absolute;
    bottom: 16px;
    left: 10px;
}

/*付费通知*/
.paid-video-notice {
    width: 870px;
    height: 550px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.vipNotice_text {
    line-height: 22px;
    margin-bottom: 20px;
    font-size: 16px;
    color: #fff;
    margin-top: 1em;
}

.vipNotice_btn {
    display: block;
    cursor: pointer;
    width: 180px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-image: linear-gradient(139deg, #e9be76 0%, #bf8b44 100%);
    border-radius: 20px;
    margin: 0 auto;
    color: #fff;
}

.vipNotice_btn:hover {
    color: #fff;
}

#seeFree {
    position: relative;
    top: 18px;
    cursor: pointer;
}

iframe {
    width: 870px;
    height: 550px;
    border: none;
}

.fake-btn {
    background: rgba(255, 255, 255, .3);
    border-radius: 50%;
    width: 60px;
    height: 70px;
    border: none;
    cursor: pointer;
    outline: none;
}

.prism-info-display.prism-info-top-center {
    display: none !important;
}

.prism-auto-stream-selector {
    display: none !important;
}

#timeOut {
    display: none;
    padding: 30px;
    line-height: 22px;
    background-color: #4d7198;
    color: #fff;
    font-weight: 300;
}