.phone {
    width: 100%;
    overflow:auto!important
}
.phone body{
    /*height:100vh!important;*/
}
.pc .header {
    opacity: 1 !important;
}

.header.first {
    background-color: #191919;
    padding: 0 10.93%;
}

.header.first::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(40, 40, 40, .28);
    z-index: -1;
}

.header.first .header-nav>li>a,
.header.first .search>a,
.header.first .search input::-webkit-input-placeholder {
    color: #a9a9a9;
}

.header.first .header-nav>li:hover>a,
.header.first .header-nav>li.nav-active>a,
.header.first .search>a:hover,
.header.first .search>.search-main a,
.header.first .search input {
    color: #FFFFFF;
}

.header.first .search input:-ms-input-placeholder {
    color: #a9a9a9;
}

.header.first .search input::-moz-placeholder {
    color: #a9a9a9;
}

.header.first .search input:-moz-placeholder {
    color: #a9a9a9;
}

/* 虚拟课程播放器 */
.bread-wrap,
.player-container,
.player-operation {
    min-width: 1280px;
    width: 100%;
    padding-left: 10.93%;
    padding-right: 10.93%;
    margin: 0 auto;
}

/*.bread-wrap i,*/
/*.bread-wrap a,*/
/*.player-container i,*/
/*.player-container a,*/
/*.player-operation i,*/
/*.player-operation a {*/
/*    font-size: inherit;*/
/*    color: inherit;*/
/*    line-height: inherit;*/
/*}*/

/* 面包屑 */
.bread-wrap {
    background-color: #191919;
    line-height: .26rem;
    font-size: .16rem;
    color: #D3D3D3;
    margin: 0.8rem auto 0;
    padding-top: .25rem;
    padding-bottom: .25rem;
}

.bread-crumb {
    display: flex;
}

.bread-crumb>span,
.bread-crumb>a {
    font-size: inherit;
    color: inherit;
}

.bread-crumb>span.connect-mark,
.bread-crumb>span.connect-mark+a {
    margin-left: .1rem;
}

/* 播放器 */
.player-container {
    background-color: #191919;
    display: flex;
    padding-bottom: .3rem;
}

.player-main {
    width: 89%;
    height: auto;
}

/* 播放器主体 */
.player-main .player-iframe {
    width: 100%;
    background: #1E1E1E;
    box-shadow: 0 0 .27rem 0 rgba(0, 0, 0, 0.38);
    border-radius: .08rem;
    padding: .1rem;
}

/* 存放iframe及loading的容器 */
.player-main .player-iframe .content {
    position: relative;
    width: 100%;
    padding-bottom: 56.25% !important;
    margin: 0 auto;
}

.player-content {
    display: flex;
}

.player-iframe .progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, .3);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.player-iframe .progress>div {
    /* margin: auto 0 !important; */
}

/* 播放器主体右侧工具栏 */
.player-toolbar {
    width: 9.7%;
    margin-left: 1.3%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-size: .16rem;
    color: #838383;
    text-align: center;
    line-height: .2rem;
}

.player-toolbar .toolbar-tips {
    margin-top: .1rem;
}

.player-toolbar .toolbar-qrcode,
.player-toolbar .toolbar-vr,
.player-toolbar .toolbar-bottom {
    background: #1E1E1E;
    box-shadow: 0 0 .27rem 0 rgba(0, 0, 0, 0.38);
    border-radius: .08rem;
}

.player-toolbar .toolbar-qrcode,
.player-toolbar .toolbar-vr{
    width: 100%;
    padding: .23rem .18rem;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    transition: color .5s,background-color .5s;
    color: #666666;
    display: none;
}
.player-toolbar .toolbar-vr{
    padding-top: .35rem;
    padding-bottom: .35rem;
}
.player-toolbar .toolbar-qrcode.is-show,
.player-toolbar .toolbar-vr.is-show{
    display: block;
}
.player-toolbar .toolbar-vr i{
    font-size: .42rem;
    line-height: .42rem;
}
.player-toolbar .toolbar-qrcode .qrcode-pic {
    background: #FFFFFF;
    border-radius: .04rem;
    width: 100%;
    padding-top: 100%;
    position: relative;
}
.player-toolbar .toolbar-qrcode .qrcode-pic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 30, .46);
    transition: background-color .5s;
    z-index: 1;
}

.player-toolbar .toolbar-qrcode:hover {
    background-color: #FFFFFF;
}

/* .player-toolbar .toolbar-qrcode:hover .qrcode-pic{
  background: transparent;
} */

.player-toolbar .toolbar-qrcode:hover .qrcode-pic::before{
    background-color: rgba(30,30,30,0);
}

.toolbar-qrcode .qrcode-pic .qrcode-pic-img {
    padding: .05rem;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    background: #FFFFFF;
    border: 1px solid #DBDBDB;
    border-radius: 4px;
}

.toolbar-qrcode .qrcode-pic .qrcode-pic-img>canvas {
    width: 100%;
}

.player-toolbar .toolbar-bottom {
    flex: 1;
    margin-top: .1rem;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.player-toolbar .toolbar-item {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 25%;
    padding: .12rem;
    cursor: pointer;
    color: #fff;
}

.player-toolbar .toolbar-item+.toolbar-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: .02rem;
    /*background: url(../image/fictitiousCourse/tool-line.png) no-repeat center center;*/
    background-size: contain;
}
.star,.star1 {
    width: 145px;
    height: 23px;
    margin-top: 0px;
    display: inline-block;
    background: url(../images/asset-stara.png) no-repeat;
    background-size: contain;
}
.evaluate,.evaluate1 {
    width: 100%;
    position: relative;
    background: #fff;
    /*padding: 25px;*/
}
.evaluate .eva-top,.evaluate1 .eva-top {
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
}
.evaluate .eva-top .tit,.evaluate1 .eva-top .tit {
    float: left;
    /*width: 15%;*/
    text-align: center;
    min-width: 102px;
}
.star .score,.star1 .score1 {
    width: 0px;
    height: 23px;
    float: right;
    display: inline-block;
    background: url(../images/asset-starGreya.png) top right no-repeat;
    background-size: cover;
}
.star .score1 {
    width: 0px;
    height: 23px;
    float: right;
    display: inline-block;
    background: url(../images/asset-starGreya.png) top right no-repeat;
    background-size: cover;
}
#notes_list .notes-item{
    display: flex;
}
.evaluate .eva-top .star-score,.evaluate1 .eva-top .star-score1 {
    font-size: 14px;
    background: url(../images/asset-scorbg.png) no-repeat;
    color: #ff7c2d;
    position: relative;
    display: inline-block;
    text-align: center;
    top: -5px;
    left: 10px;
    width: 71px;
    height: 20px;
}
.star .score i,.star1 .score1 i {
    display: none;
}
.sidebar-bg {
    background-color: #fff;
    padding: .2rem;
}
.sidebar-bg h2 {
    font-size: 16px;
    margin-bottom: 15px;
}
.courses-tuijian{
    padding: .2rem;
    margin-top: .14rem;
    background-color: #fff;
}
.teacher-box{
    padding-top: .14rem;
}
.teacher-box li{
    display: flex;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}
.teacher-box li .teacher{
    /*width: 51.613%;*/
}
.teacher-box .teacher {
    position: relative;
    float: left
}

.teacher-box .teacher .teacher-radius {
    position: absolute;
    top: 0;
    left: 0;
    width: 77px;
    height: 77px;
    z-index: 10;
    /*background: url(../images/hollow_white_77.png)*/
}

.teacher-box .teacher a {
    display: block;
    width: 100%;
    height: 100%
}
.teacher-box .teacher img {
    width: 100%;
    height: 100%;
}
.teacher-box li h3 {
    font-size: .26rem;
    font-weight: 500;
    color: #222222;
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.teacher-box li em {
    font-style: normal;
    word-break: keep-all;
    font-size: 12px;
    color: #969b9e
}
.teacher-box li .teacher-right{
    flex: 1;
    padding-left: 0.22rem;
    width: 66%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.star-show {
    width: 109px;
    height: 19px;
    margin-top: 0px;
    display: inline-block;
    background: url(../img/asset-star-show.png) no-repeat;
    background-size: contain;
}

.star-show .score i {
    display: none;
}
.player-toolbar .toolbar-item i{
    font-size: .5rem;
    line-height: .5rem;
}
.player-operation .layui-tab-title li{
    font-size: .22rem;
    line-height: .3rem;
}
.player-operation .layui-tab-title li img{
    margin-right: .06rem;
}
.player-toolbar .toolbar-item:hover {
    background: linear-gradient(0deg, #007CD8, #2295EB);
    color: #FFFFFF;
}

.player-toolbar .toolbar-item:hover::before {
    z-index: -1;
}

/* 笔记评价、推荐 */
.player-operation {
    display: flex;
    justify-content: space-between;
    padding-top: .6rem;
    padding-bottom: .6rem;
    background: #F2F2F2;
}

.player-operation .operation-left {
    width: 73.765%;
    border-radius: .1rem;
}

.player-operation .courseware-infos,
.player-operation .record-wrapper {
    background: #FFFFFF;
    border-radius: .1rem;
    padding: .3rem;
}

.player-operation .record-wrapper {
    margin-top: .14rem;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* 课件信息 */
.player-operation .courseware-infos {
    display: flex;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* 课件缩略图 */
.courseware-infos .infos-img {
    width: 18.4%;
    padding-top: 10.35%;
    position: relative;
}

.courseware-infos .infos-img>img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: .04rem;
}

/* 课件信息 */
.courseware-infos .infos-right {
    flex: 1;
    padding-left: .22rem;
    width: 81.6%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

/* 课件名称 */
.courseware-infos .infos-title {
    font-size: .3rem;
    font-weight: 500;
    color: #222222;
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* 课件评分、访问量 */
.courseware-infos .infos-describe {
    color: #444444;
    font-size: .25rem;
    display: flex;
    align-items: center;
    line-height: 1em;
}

.courseware-infos .infos-item {
    position: relative;
    padding: 0 .14rem;
    display: flex;
    align-items: center;
}

.courseware-infos .infos-item+.infos-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    display: block;
    height: 0.9em;
    width: 1px;
    background-color: #444;
}

.courseware-infos .infos-item:first-child {
    padding-left: 0;
}

.courseware-infos .infos-item:last-child {
    padding-right: 0;
}

.courseware-infos .infos-item>span+span {
    margin-left: .08rem;
}

.courseware-infos .item-score>span {
    display: flex;
    align-items: center;
}

.courseware-infos .item-score>span>img {
    height: 0.8em;
    width: auto;
    vertical-align: middle;
    line-height: 0.8em;
}

.courseware-infos .item-score>span>img+img {
    margin-left: .04rem;
}

/* tab选项卡 */
.player-operation .tab-card {
    line-height: .3rem;
    font-size: .22rem;
    color: #222;
    padding-bottom: .15rem;
    border-bottom: 1px solid #EAEAEA;
}

.player-operation .tab-card i {
    margin-right: .08rem;
}

.player-operation .operation-left .tab-card {
    display: flex;
    align-items: center;
    padding-bottom: 0;
}

.player-operation .operation-left .tab-card>span {
    display: flex;
    padding-bottom: .15rem;
    position: relative;
    transition: all .3s;
    cursor: pointer;
}

.player-operation .operation-left .tab-card>span::before {
    display: block;
    width: 0;
    height: 2px;
    background-color: #007CD8;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all .3s;
}

.player-operation .operation-left .tab-card>span+span {
    margin-left: .5rem;
}

.player-operation .operation-left .tab-card>span.active {
    color: #007CD8;
}

.player-operation .operation-left .tab-card>span.active::before {
    content: '';
    width: 100%;
}

/* 笔记、评价主题内容 */
.player-operation .operation-left .record-panel,
.player-operation .operation-left .advice-panel {
    margin-top: .2rem;
}

/* 评价 课程标题、评分 */
.player-operation .operation-left .add-score {
    margin: 0;
    font-size: .16rem;
    line-height: .28rem;
    padding: .06rem 0;
    display: flex;
    align-items: center;
}

.player-operation .operation-left .add-score>div>img:first-of-type {
    margin-left: .1rem;
}

.player-operation .operation-left .add-score>div {
    display: flex;
    align-items: center;
}

.player-operation .operation-left .add-score>div>img {
    height: 60%;
    min-height: .16rem;
    width: auto;
    cursor: pointer;
}

.player-operation .operation-left .add-score>div>img+img {
    margin-left: .04rem;
}

.player-operation .operation-left .add-score .sum-score {
    margin-left: .1rem;
}

.player-operation .operation-left .add-score .sum-score>span {
    color: #FE6849;
}

/* 输入框 */
.player-operation .operation-left .add-area textarea {
    display: block;
    height: 1.78rem;
    width: 100%;
    padding: .15rem;
    font-size: .16rem;
    line-height: .2rem;
    background: #FBFBFB;
    border: 1px solid #DADADA;
    border-radius: .04rem;
    color: #222222;
}

/* 评价 输入框 */
.player-operation .operation-left .advice-panel .add-panel {
    margin-top: .12rem;
}

.player-operation .operation-left .add-panel textarea:focus {
    border-color: #007CD8;
}

/* 输入框按钮区 */
.player-operation .operation-left .form-btn {
    display: flex;
    justify-content: space-between;
    margin-top: .18rem;
    height: .4rem;
    line-height: .4rem;
}

/* 只有一个按钮时 居右 */
.player-operation .operation-left .record-panel .form-btn {
    justify-content: flex-end;
}

/* 评价 匿名按钮 */
.player-operation .operation-left .form-btn .checkbox-btn {
    cursor: pointer;
    display: flex;
    align-items: center;
    font-size: .16rem;
    margin-right: 10px;
}

/* 重置checkbox的选中效果 */
.player-operation .operation-left .form-btn .checkbox-btn input[type="checkbox"] {
    display: block;
    text-align: center;
    vertical-align: middle;
    width: .16rem;
    height: .16rem;
    line-height: .16rem;
    margin-right: .05rem;
    position: relative;
    cursor: pointer;
}

input[type="checkbox"]::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    background: #fff;
    width: 100%;
    height: 100%;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
}

input[type="checkbox"]:checked::before {
    content: "\2713";
    background-color: #007CD8;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    border: 1px solid #007CD8;
    border-radius: 4px;
    color: #fff;
    font-size: inherit;
    line-height: inherit;
    font-weight: bold;
}

/* 保存按钮 */
.player-operation .operation-left .submit-btn {
    width: 1.1rem;
    height: 100%;
    background: #007CD8;
    border-radius: .03rem;
    font-size: .18rem;
    color: #FFFFFF;
    letter-spacing: 1.5px;
    cursor: pointer;
    text-align: center;
}

.player-operation .operation-left .submit-btn:hover {
    background: #0059e8;
}

/* 评价、笔记列表 */
.player-operation .operation-left .record-text {
    margin-top: .4rem;
    border-top: 1px solid #EAEAEA;
    position: relative;
}

/* 有内容 列表 */
.player-operation .operation-left .record-main {
    padding: .2rem 0;
}

/* 列表item */
.player-operation .operation-left .item-cont {
    display: flex;
    width: 100%;
}

.player-operation .operation-left .notes-reply,
.player-operation .operation-left .reply-input-view {
    padding-left: .68rem;
}

/* 头像 */
.player-operation .operation-left .notes-item .item-user-pic {
    display: block;
    width: .5rem;
    height: .5rem;
    border-radius: 50%;
    overflow: hidden;
}

.player-operation .operation-left .notes-item .item-user-pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* item 内容 */
.player-operation .operation-left .notes-item .item-content {
    margin-left: .18rem;
    flex: 1;
}

.player-operation .operation-left .notes-item .content-main {
    background-color: #F9FAFB;
    border-radius: .04rem;
    padding: .15rem .2rem .28rem;
}

/* 用户信息 */
.player-operation .operation-left .notes-item .item-user-info {
    font-size: .18rem;
    line-height: .28rem;
    display: flex;
}

.player-operation .operation-left .notes-item .item-user-info>span+span {
    margin-left: .15rem;
    display: flex;
    align-items: center;
}

/* 星级 */
.player-operation .operation-left .notes-item .item-user-info>span:nth-child(2)>img {
    height: 60%;
    min-height: .16rem;
    width: auto;
}

.player-operation .operation-left .notes-item .item-user-info>span:nth-child(2)>img+img {
    margin-left: .04rem;
}

/* 评价、笔记内容 */
.player-operation .operation-left .notes-item .item-content-descri {
    font-size: .16rem;
    width: 100%;
    padding: .06rem .2rem;
    background: #FFFFFF;
    border-radius: 3px;
}

.player-operation .operation-left .notes-item .reply-user {
    color: #666;
    margin-right: .05rem
}

/* item的操作 */
.player-operation .operation-left .notes-item .item-operate {
    display: flex;
    justify-content: space-between;
    line-height: .48rem;
    font-size: .14rem;
    color: #AFAFAF;
}

/* item 右侧操作区 */
.player-operation .operation-left .notes-item .item-operate .operate {
    display: flex;
    align-items: center;
}

.player-operation .operation-left .notes-item .item-operate .operate>span {
    display: block;
    padding: 0 .06rem;
    cursor: pointer;
    color: #444444;
    font-size: .16rem;
}

.player-operation .operation-left .notes-item .item-operate .operate>span+span {
    margin-left: .1rem;
}

.player-operation .operation-left .record-panel .notes-item .item-operate i {
    font-size: .26rem;
    line-height: inherit;
    text-align: center;
}

/* 推荐课程 */
.player-operation .operation-right {
    flex: 1;
    width: 26.235%;
    margin-left: .2rem;
    background: #FFFFFF;
    border-radius: .1rem;
}

/* 课程item */
.player-operation .operation-right .course-item {
    width: 100%;
    padding-top: 29.355%;
    line-height: .32rem;
    position: relative;
}

.player-operation .operation-right .course-item:first-child {
    margin-top: .2rem;
}

.player-operation .operation-right .course-item+.course-item {
    margin-top: .32rem;
}

.player-operation .operation-right .course-item-cont {
    position: absolute;
    display: flex;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    color: #666666;
    line-height: .2rem;
    font-size: .16rem;
}

/* 课程缩略图 */
.player-operation .operation-right .course-item .picture-swarper {
    position: relative;
    width: 51.613%;
    height: 100%;
    top: 0;
    border-radius: .04rem;
    overflow: hidden;
}

.player-operation .operation-right .course-item .picture-swarper .item-picture {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 课程标题、用户 */
.player-operation .operation-right .course-item .item-describe {
    flex: 1;
    margin-left: .18rem;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.player-operation .operation-right .course-item .item-name {
    max-height: .4rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    padding-top: .2rem;
}

.player-operation .operation-right .course-item .item-creater {
    font-size: .16rem;
    line-height: .16rem;
    color: #7A7A7A;
}

.player-operation .operation-right .course-item .item-creater>i {
    margin-right: .08rem;
}


/* 回复问题 */
.player-operation .notes-item+.notes-item,
.player-operation .notes-reply .item-cont {
    border-top: 1px solid #EAEAEA;
}

/* .player-operation .notes-item{
  padding: .2rem 0;
} */
.player-operation .item-cont {
    padding: .2rem 0;
}

.player-operation .reply-input-view {
    display: none;
    width: 100%;
    margin-top: .1rem;
    padding-top: .15rem;
    /*height: .6rem;*/
    margin-bottom: .2rem;
}

.player-operation .reply-input-view.active {
    display: block;
    /*position: fixed;
    bottom: 8%;
    width: 60%;*/
}

.player-operation .reply-input-view .reply-input-textarea {
    width: 89.45%;
    box-sizing: border-box;
    float: left;
    height: 100%;
    padding-right: .1rem;
}

.player-operation .reply-input-view .reply-input-textarea textarea {
    width: 100%;
    height: 100%;
    background: #FAFAFA;
    border-radius: .04rem;
    padding: .05rem .1rem;
    box-sizing: border-box;
    font-size: .16rem;
    line-height: .3rem;
    color: #222222;
    font-weight: 500;
}

.player-operation .reply-input-view .reply-input-btn {
    width: 10.55%;
    height: 100%;
    background-color: #007CD8;
    border-radius: .04rem;
    color: #fff;
    font-size: .16rem;
}

.player-operation .reply-input-view .reply-input-btn:hover {
    background-color: #0059e8;
}



/* 无意见、笔记 */
.player-operation .record-wrapper .record-text .record-tips {
    position: relative;
    margin: .4rem auto;
    width: .71rem;
    height: 1.13rem;
}

.player-operation .record-wrapper .record-panel .record-text .record-tips {
    background: url('../images/noContent.png') center center no-repeat;
    background-size: 100% 100%;
}

.player-operation .record-wrapper .advice-panel .record-text .record-tips {
    background: url('../images/noAdvice.png') center center no-repeat;
    background-size: 100% 100%;
}

.player-operation .record-wrapper .record-text .notes_item {
    width: 100%;
    line-height: 2;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed #ebebeb
}

.cont-pages {
    width: 100%;
    text-align: center
}

.cont-pages .pre,
.cont-pages .next {
    cursor: pointer;
    margin: 0 .1rem;
    line-height: .18rem;
}


/* 移动端 */

/*手机端退出全屏  */
.phone #dragBack {
    position: fixed;
    display: none;
    text-align: center;
    cursor: pointer;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-user-select: none;
    user-select: none;
    box-shadow: 0 0 50px 0 rgba(255, 255, 255, 0.4);
    z-index: 9999;
    outline: 0 none;
    text-decoration: none;
}

.phone #dragBack {
    width: 60px;
    height: 60px;
    font-size: 14px;
    background-color: rgba(255, 255, 255, 0.7);
    left: 15px;
    bottom: 15px;
    opacity: .8;
    font-weight: bold;
    color: #f00;
}

.phone #dragBack:before {
    content: '退出学习';
    line-height: 1.2;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 2em;
    height: 32px;
    margin: auto;
}

.phone #dragBack:after {
    content: '';
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    border: 1px solid #f00;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.pc .mask-screen {
    display: none;
}

/* 移动端隐藏视频、课件外的元素 */
/*.phone header,
.phone .bread-wrap,
.phone .player-toolbar,
.phone .player-operation,*/
.phone .player-footer,
.phone .mask-search {
    display: block !important;
}
.phone .player-container,
.phone .player-main {
    padding: 0;
    width: 100%;
    min-height: 100%;
    display: flex;
    align-items: center;
}

.phone .mask-screen {
    position: fixed;
    display: flex;
    /* display: none; */
    width: 100vw;
    height: 100% !important;
    top: 0;
    left: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-size: .3rem;
    background-color: #000;
    z-index: 299;
}

.phone .mask-screen>img {
    display: block;
    max-width: 4.4rem;
    max-height: 40%;
    width: 4.4rem;
    object-fit: contain;
    margin: 0 auto;
}

.phone .mask-screen p {
    color: #fff;
    font-size: .36rem;
    line-height: 1.5;
    margin-top: .5rem;
}
.phone .player-operation .operation-left{
    width: 100%;
    margin-bottom: .2rem;
}
.phone .player-operation .operation-right {
    flex: 1;
    width: 100%;
    margin-left: 0;
    background: #FFFFFF;
    border-radius: 0.1rem;
}
.phone .player-operation .operation-left .notes-reply, .player-operation .operation-left .reply-input-view{
    padding-left: .24rem !important;
}
/* 移动端 课件兼容性问题 */
#content_frame {
    width: 1px;
    height: 1px;
    min-width: 100%;
    max-width: 100%;
    min-height: 100%;
    max-height: 100%;
    *width: 100%;
    *height: 100%;
}

.phone .player-main {
    /* height: 100%; */
}

.phone .player-iframe {
    padding: 0;
    height: 100%;
}

.phone .player-content {
    /* height: 100%; */
}

.phone .player-main .player-iframe .content {
    position: static;
    width: 100%;
    height: auto;
    padding-bottom: 0 !important;
    overflow: auto!important;
}

@-webkit-keyframes rotation {
    10% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    50%,
    60% {
        -webkit-transform: rotate(90deg);
        transform: rotate(90deg);
    }

    100%,
    90% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
}

@keyframes rotation {
    10% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    50%,
    60% {
        -webkit-transform: rotate(90deg);
        transform: rotate(90deg);
    }

    100%,
    90% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
}

/* .phone .mask-screen>img {
  animation: rotation infinite 1.5s ease-in-out;
} */

/* 媒体查询 */
@media screen and (max-width: 1600px) {
    html.pc {
        font-size: 90px;
    }
}

@media screen and (max-width: 1366px) {
    html.pc {
        font-size: 85px;
    }
}

/* @media screen and (min-width: 320px) and (max-width: 766px) {
  html {
    font-size: 60px;
  }
} */

@media screen and (max-width: 1460px) {

    .pc .header.first,
    .pc .bread-wrap,
    .pc .player-container,
    .pc .player-operation {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/*
.phone .bread-wrap,
.phone .player-container,
.phone .player-operation {
    min-width: auto;
    padding: 10px;
    !*display: none;*!
}
*/

.cont-footer {
    margin-top: 0;
}

/*兼容苹果手机横屏下全屏高度撑满屏幕*/
@media screen and (orientation:landscape) {
    .phone .ios-landscape-full{
        height: calc(100% + 100px) !important;
    }
}