body .demo-class {
    background-color: transparent !important;
    box-shadow: none !important;
}

#app {
    height: 100vh;
}

.black-top-box {
    height: 30vh;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.black-top-box .free-see-timer {
    color: #fff;
    position: absolute;
    top: 0;
    right: 20px;
    z-index: 999;
    font-size: 12px;
}

.gold-text {
    color: #e9be76;
}

.living-hd {
    background-color: #fff;
    padding: 4px 10px 0 10px;
    height: 10vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
}

.living-hd .live-title {
    font-size: 18px;
    color: #333;
    font-weight: bolder;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.living-hd .bottom-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.living-hd .bottom-info .count {
    color: #757f86;
}

.living-hd .bottom-info .menu-list {
    display: flex;
    align-items: center;
}

.living-hd .bottom-info .menu-list a {
    color: #020202;
    font-size: 16px;
}

.living-hd .bottom-info .menu-list a:nth-child(1) {
    margin-right: 10px;
}

.living-hd .bottom-info .menu-list a i {
    position: relative;
    top: -3px;
}

.living-bd {
    background-color: #fff;
    height: 70vh;
    position: relative;
}

.living-bd .ui.pointing.secondary.menu {
    height: 5vh;
    min-height: 1rem;
    margin: 0;
    position: relative;
}

.userTotalNums {
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(-50%, -50%);
}

.living-bd .ui.pointing.secondary.menu .item {
    width: 25%;
    justify-content: center;
    font-size: 14px !important;
    padding: 0.6em 1.1em;
}

.living-bd .ui.secondary.pointing.menu .active.item {
    border-color: #4d7198;
}

.living-bd .ui.pointing.secondary.menu .item[data-tab="first"]{
    display:none
}

.detail-bd .lecturer-info-box {
}

.online-user-box {
    height: 50vh;
    overflow-x: hidden;
    overflow-y: auto;
}

.online-user-list {
    height: 50vh;
    padding: 0 10px;
    overflow-x: hidden;
    overflow-y: auto;
}

.online-user-item {
    display: flex;
    margin: 10px 0;
    align-items: center;
    position: relative;
}

.user-menu a {
    display: inline-block;
    padding-left: 6px;
    cursor: pointer;
}

.online-user-item .hidden-menu {
    display: none;
    width: 100px;
    height: 100px;
    background-color: #fff;
}

.user-icon.administrator {
    border: 1px solid #5b75a6;
    padding: 0 5px;
    border-radius: 8px;
    background-color: rgba(91, 117, 166, 0.2);
    color: #5b75a6;
    font-size: 12px;
    margin-left: 5px;
}

.user-icon.teacher {
    border: 1px solid #88e18f;
    padding: 0 5px;
    border-radius: 8px;
    background-color: rgba(136, 225, 143, 0.2);
    color: #88e18f;
    margin-left: 5px;
    font-size: 12px;
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.user-name {
    font-size: 16px;
    color: #888;
    margin-left: 10px;
}

/* 聊天 */
.chat-list {
    width: 100vw;
    height: 57vh;
    background: #eee;
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    padding: 0 5px 0 5px;
}

.chat-post-box {
    position: fixed;
    bottom: 0;
    display: flex;
    background: #fff;
    border: 1px solid #eee;
    width: 100vw;
    height: 6vh;
    box-sizing: border-box;
}

.chat-post-box .mask {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
}

.chat-item.other {
    position: relative;
    color: #646c7a;
    line-height: 18px;
    word-wrap: break-word;
    white-space: normal;
    margin: 30px 4px 10px 4px;
}

.gift-item {
    margin: 20px 4px 20px 4px;
}

.chat-item.other .item-top {
    display: flex;
}

.chat-item.other .item-top .avatar img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 5px;
}

.chat-item.other.detail {
    position: absolute;
}

.chat-item.other .item-top .item-name {
    font-size: 14px;
    margin-right: 5px;
}

.chat-item.other .item-top .item-name.red {
    color: #db2828;
}

.chat-item.other .item-top .item-name.green {
    color: #21ba45;
}

.chat-item.other .item-top .item-date.red {
    color: #db2828;
}

.chat-item.other .item-top .item-date.green {
    color: #21ba45;
}

.chat-item.other .item-detail {
    padding: 4px 12px;
    border-radius: 10px;
    background-color: #fff;
    color: #333;
    margin-top: 6px;
    display: inline-block;
    position: relative;
    top: 10px;
    left: 20px;
    max-width: 260px;
}

.chat-item.other .item-detail.other:after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 0px;
    width: 15px;
    height: 8px;
    border-width: 0;
    border-style: solid;
    border-color: transparent;
    border-right-width: 6px;
    border-right-color: currentColor;
    border-radius: 0 30px 0 0;
    color: #fff;
}

.chat-item.self {
    position: relative;
    color: #646c7a;
    line-height: 18px;
    word-wrap: break-word;
    white-space: normal;
    margin: 30px 4px 10px 4px;
}

.chat-item.self .item-top {
    display: flex;
}

.chat-item.self .item-top .avatar img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 5px;
}

.chat-item.self.detail {
    position: absolute;
}

.chat-item.self .item-top .item-name {
    font-size: 16px;
    margin-right: 5px;
}

.chat-item.self .item-detail {
    padding: 4px 12px;
    border-radius: 10px;
    background-color: #fff;
    color: #333;
    margin-top: 6px;
    display: inline-block;
    position: relative;
    top: 10px;
    left: 20px;
    max-width: 260px;
}

.chat-item.self .item-detail.self:after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 0px;
    width: 15px;
    height: 8px;
    border-width: 0;
    border-style: solid;
    border-color: transparent;
    border-right-width: 6px;
    border-right-color: currentColor;
    border-radius: 0 30px 0 0;
    color: #fff;
}

.post-btn {
    position: absolute;
    right: 2vw;
    transform: scale(0.8);
    padding-right: 10px;
}

.gift-box-open-btn {
    position: absolute;
    right: 0;
    transform: scale(0.8);
    padding-right: 10px;
}

.el-drawer__header {
    margin-bottom: 10px;
    padding: 10px 10px 0;
}

.gift-list {
    display: flex;
    padding: 0 5vw;
}

.gift-list .gift-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 66px;
    height: 66px;
    border: 2px solid #fff;
    margin-left: 4px;
    padding: 4px;
    box-sizing: content-box;
}

.gift-list .gift-item.selected {
    border: 2px solid #f80;
}

.gift-list .gift-item .gift-name {
    font-size: 12px;
}

.gift-list .gift-item .gift-prize {
    font-size: 12px;
    color: #999;
}

.bottom-menu {
    display: flex;
    padding: 3vh 5vw 1vh 5vw;
    align-items: center;
    justify-content: space-between;
}

.bottom-menu .user-resource-info {
    display: flex;
}

.user-resource-info .qb {
    margin-right: 5px;
}

.user-resource-info .rmb {
}

.bottom-menu .user-resource-info span {
    font-size: 12px;
}

.right-buttons-menu {
    display: flex;
    border-radius: 16px;
    width: 120px;
}

.el-dropdown .el-dropdown-selfdefine:focus:active,
.el-dropdown .el-dropdown-selfdefine:focus:not(.focusing),
.el-message__closeBtn:focus,
.el-message__content:focus,
.el-popover:focus,
.el-popover:focus:active,
.el-popover__reference:focus:hover,
.el-popover__reference:focus:not(.focusing),
.el-rate:active,
.el-rate:focus,
.el-tooltip:focus:hover,
.el-tooltip:focus:not(.focusing),
.el-upload-list__item.is-success:active,
.el-upload-list__item.is-success:not(.focusing):focus {
    outline: none;
}

.send-number {
    padding: 5px 10px 5px 10px;
    cursor: pointer;
    color: #f80;
    border: 1px solid #f80;
    border-top-left-radius: 16px;
    border-bottom-left-radius: 16px;
    width: 60px;
}

.send-btn {
    padding: 5px 15px 5px 15px;
    border: 1px solid #f80;
    border-left: 1px solid #f80;
    background-color: #f80;
    cursor: pointer;
    border-top-right-radius: 16px;
    border-bottom-right-radius: 16px;
}

.chat-post-box textarea {
    width: 80vw;
    height: 34px;
    line-height: 34px;
    margin: 0;
    padding-left: 1rem;
    resize: none;
    outline: none;
    border: none;
    font-size: 14px;
}

.lecturer-info-box {
    padding-top: 0.2rem;
}

.lecturer-info-box .course-description {
    padding: 0 20px;
    font-size: 14px;
    color: #666;
}

.author-info-box {
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
}

.author-info-box .info {
    display: flex;
}

.author-info-box .info .avatar {
}

.author-info-box .avatar img {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
}

.author-info-box .right-info {
    margin-left: 10px;
    display: flex;
    flex-direction: column;
}

.author-info-box .right-info .name {
    font-size: 18px;
    margin-bottom: 8px;
    display: flex;
}

.author-info-box .right-info .user-badge {
    color: #666;
    line-height: 2em;
    display: flex;
}

.author-info-box .right-info .user-badge a img {
    width: 2.4rem;
    margin: 0 5px;
}

.author-info-box .right-info .user-more-info {
    display: flex;
}

.description-info {
    margin-top: 0.5rem;
}

.most-right-info {
    margin-left: 10px;
    display: flex;
    align-items: flex-end;
    position: relative;
    top: -10px;
}

.most-right-info .follow-btn {
    padding: 2px 16px;
    border-radius: 10px;
    border: 1px solid #4d7198;
    font-size: 12px;
}

.my-message {
    position: absolute !important;
    left: 0;
    width: 170px;
    line-height: 1em !important;
    top: -1px;
    padding: 8px 0px !important;
    margin: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent !important;
}

.ui.mini.message.my-message:before {
    position: absolute;
    content: '';
    width: 8px;
    height: 8px;
    background: #fff;
    transform: rotate(45deg);
    z-index: 2;
    bottom: -4px;
    left: 20px;
    margin-left: 0;
    border-bottom: 1px solid #22242638;
    border-right: 1px solid #22242638;
}

.setting-score {
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.setting-score-item {
    display: flex;
    align-items: center;
}

.submit-setting-score {
    font-size: 10px;
    color: #fff;
    background-color: #4d7198;
    padding: 1px 4px;
    border-radius: 6px;
}

.prism-player .prism-big-play-btn {
    left: 50% !important;
    bottom: 35% !important;
    transform: translate(-50%) !important;
}

.layui-layer {
    /* background-color: transparent !important; */
}

.poster-after {
    width: 66vw;
    text-align: center;
    color: #fff;
}

/* 排行榜 */
.rank-list {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    margin: 0 10px;
    border-bottom: 1px solid #eee;
    line-height: 40px;
}

.rank-info {
    display: flex;
    align-items: center;
}

.rank-num {
    background-color: #5b75a6;
    border-radius: 50%;
    color: #fff;
    height: 1rem;
    width: 1rem;
    line-height: 1rem;
    text-align: center;
    margin-right: 1rem;
}

.rank-score .currency-icon {
    width: 12px;
    margin-left: 4px;
}

.layui-layer-hui {
    background-color: rgba(0, 0, 0, 0.6) !important;
}

/* 直播公告 */
.live-notice {
    position: absolute;
    color: #fff;
    z-index: 999;
    top: 0.3rem;
    display: flex;
}

.live-notice-title {
    width: 5em;
}

.go-to-future {
    display: none;
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translate(-50%);
    color: rgb(255, 255, 255);
    background-color: rgba(0, 0, 0, 0.247);
    width: 4rem;
    line-height: 1rem;
    border-radius: 1rem;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    height: 1rem;
}


.qrcode-btn {
    position: absolute;
    right: 1rem;
    top: 4rem;
    z-index: 9;
    width: 2rem;
    height: 2rem;
    font-size: 19px;
    border-radius: 50%;
    background: linear-gradient(to bottom, #fec906, #fd7001, #fe5b01);
    border: 2px solid #fff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    animation-name: breath;
    animation-duration: 1s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}
/* 呼吸动画 */
@keyframes breath {
    from {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    to {
        transform: scale(1);
    }
}