.video_box {
    width: 100%;
    background-color: #000;
    /*height: calc(100vh - 3.8rem);*/
    position: relative;
    font-size: 0;
}
/*课程*/
.video_box .course_video {
    position: relative;
    width: 100%;
    min-height: 20rem;
    vertical-align: top;
    display: inline-block;
}
/*展示隐藏右侧菜单*/
.video_box .menu_switch {
    display: none;
}
/*右侧课程菜单*/
.video_box .video_menu {
    background-color: #fff;
    width: 100%;
    vertical-align: top;
    display: inline-block;
    height: 100%;
    /*position: relative;*/
    /*overflow: hidden;*/
}
.video_box .video_menu .tag_menu {
    background-color: #DADADA;
    color: #fff;
    line-height: 3.2rem;
    height: 3.2rem;
    font-size: 1.067rem;
    width: auto;
    text-align: center;
    cursor: pointer;
    white-space: normal;
    text-overflow: clip;
    font-family: Helvetica, 宋体;
}
.video_box .video_menu .current_click {
    background-color: #898989;
}
.video_box .video_menu .list_menu {
    color: white;
    font-family: 宋体;
    /*line-height: 0;*/
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 1.067rem;
    line-height: 3.2rem;
    border-bottom: 1px solid #dedede;
    text-align: center;
}
.video_box .menu_hide {
    display: none;
    height: auto !important;
}
/*播放器提示*/
.video_box .default_notice {
    position: absolute;
    width: 100%;top: 50%;left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.4rem;color: #fff;
    padding: 0 2rem;
    box-sizing: border-box;text-align: center;
    font-family: 宋体;
}
.video_box .default_notice .pc {
    display: none;
}
.video_box .default_notice_arr {
    display: none;
}
/*播放logo*/
.video_box .xh_logo {
    position: absolute;
    width: 12.5%;
    max-width: 280px;
    top: 3%;
    right: 5%;
    display: none;
    z-index: 1;
}
/*播放器*/
.video_box .video_show {
    display: none;
    width: 100%;
    height: 100%;
}
.video_box #player-container-id {
    width: 100%;
    height: 100%;
    min-height: 20rem;
}
/*加载中*/
.video_box .loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28rem;
    display: none;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 2rem 4rem;
    font-family: '宋体';
    border-radius: 1rem;
}
.video_box .loading .loading_text1 {
    font-size: 1.333333rem;
    font-weight: bold;
    line-height: 3rem;
}
.video_box .loading .loading_text1 img {
    width: 2.3333rem;
    margin-left: 0.3rem;
}
.video_box .loading .loading_text2 {
    font-size: 1.066667rem;
    text-align: center;
}
.video_box .loading img {
    width: 100%;
}
/*暂停*/
.video_box .pause_notice {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 25rem;
    width: 65%;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 0.5rem 1.5rem 0;
    display: none;
}
.video_box .pause_notice img {
    width: 12rem;
    height: 12rem;
    margin: 0 auto;
    display: block;
}
.video_box .pause_notice .btnbox {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.video_box .pause_notice .btn {
    display: inline-block;
    font-size: 1.066667rem;
    border: 1px solid #a2a0a0;
    /*width: 30%;*/
    text-align: center;
    cursor: pointer;
    color: #a2a0a0;
    padding: 0 0.5rem;
    min-width: 4rem;
}
.video_box .pause_notice .share {
    float: right;
}
.video_box .pause_notice p {
    line-height: 3rem;
    font-size: 1.0667rem;
}
.video_box .pause_notice .notice_again {
    text-align: right;
    font-size: 1.06669rem;
}
.video_box .pause_notice .close {
    width: 2rem;
    height: 2rem;
    color: #fff;
    background: #000;
    border-radius: 100%;
    transform: rotate(45deg);
    position: absolute;
    font-size: 2.5rem;
    line-height: 1.5rem;
    right: -1rem;
    top: -1rem;
    cursor: pointer;
}
.video_box .pause_notice .close:hover path {
    fill: #ccc;
}
.video_box .pause_notice .btn.width56 {
    width: 56%;
}
.video_box .pause_notice .notice_again.align_center {
    text-align: center;
}
.video_box .pause_notice .pc_pause_notice {
    display: none;
}
.video_box .video_menu .img_span {
    display: inline-block;
    width: 1rem;
    height: 2rem;
    cursor: pointer;
    vertical-align: middle;
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
    font-family: '宋体';
}

.video_box .menu_page {
    display: none;
}
/*富文本*/
.main_info_box {
    width: 100%;
    background-color: #F1F9FF;
    padding-bottom: 40px;
}
.main_info_box .main_info {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.main_info_box .play_notice {
    color: #333;
    padding: 1em;
    font-family: 宋体;
    font-size: 1rem;
    line-height: 2rem;
}
.main_info_box .current_tag {
    background-color: #D9EBFE !important;
    color: #fff !important;
    font-weight: bolder !important;
}
.main_info_box .info_tag {
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 3.8rem;
    background-color: #f1f9ff;
    display: flex;
    justify-content: space-between;
}
.main_info_box .course_intro,
.main_info_box .test_intro {
    width: 49.5%;
    background-color: #A7D3FF;
    font-size: 1.5rem;
    color: #adadad;
    text-align: center;
    display: inline-block;
    line-height: 3.3rem;
    cursor: pointer;
}
.main_info_box .card_body {
    font-family: '宋体';
    background-color: #D9EBFE;
    width: 100%;
}
.main_info_box .rich_html {
    display: none;
}
.main_info_box .rich_fix_style {
    font-family: 宋体;
}

/*播放反馈*/
.video_box .play_suggest {
    line-height: 1.5rem;
    width: 1.5rem;
    font-size: 1rem;
    color: #fff;
    writing-mode: vertical-lr;
    background-color: #000;
    cursor: pointer;
    padding: 0.5rem 0rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
    font-family: '宋体';
}
/*课程帮助*/
.course_help_detail {
    display: none;
    position: fixed;
    bottom: 0;
    left:0;
    width: 90%;
    height: 34.3rem;
    background: #d9ebff;
    overflow: auto;
}
.course_help_detail .big_or_small{
    display: none;
}
/*播放反馈*/
.play_suggest_popup {
    width: 90%;
}
.play_suggest_popup table {
    padding: 0.5rem .6rem 0;
}
.buy_notice_popup {
    padding: 0 ;
}
.buy_notice_popup p {
    padding: .3em 1em;
    line-height: 1.5em;
    /*text-indent: 2rem;*/
}