.content {
  width: 100%;
  height: 100%;
  zoom: 1;
  overflow: hidden;
  background: #1D1D1D; }
  .content .fl-video {
    width: calc(100% - 60px);
    height: 100%;
    zoom: 1;
    padding: 0 20px;
    overflow: hidden;
    box-sizing: border-box; }
    .content .fl-video .title {
      width: 100%;
      height: 50px; }
      .content .fl-video .title a {
        display: block;
        font-size: 18px;
        color: #aaa;
        line-height: 50px; }
        .content .fl-video .title a i {
          background: url(../images/back.png) no-repeat;
          width: 11px;
          height: 16px;
          display: inline-block; }
      .content .fl-video .title p {
        font-size: 18px;
        color: #aaa;
        line-height: 50px; }
    .content .fl-video .video {
      width: 100%;
      height: calc(100% - 100px);
      background: #000; }
    .content .fl-video .chose {
      width: 100%;
      height: 50px;
      zoom: 1; }
      .content .fl-video .chose a {
        background: #404040;
        color: #fff;
        font-size: 14px;
        line-height: 30px;
        margin-right: 10px;
        padding: 0 10px;
        border-radius: 5px;
        border: none;
        display: inline-block;
        margin-top: 10px; }
  .content .list-fr {
    width: 60px;
    height: 100%;
    box-sizing: border-box;
    overflow: hidden;
    position: relative; }
    .content .list-fr .list {
      width: 360px;
      height: 100%;
      background: #333;
      float: left;
      display: none; }
      .content .list-fr .list .class-list {
        width: 100%;
        height: calc(100% - 50px);
        overflow-y: auto; }
        .content .list-fr .list .class-list::-webkit-scrollbar {
          width: 6px;
          height: 6px;
          background-color: #333; }
        .content .list-fr .list .class-list::-webkit-scrollbar-track {
          border-radius: 3px;
          background-color: #333; }
        .content .list-fr .list .class-list::-webkit-scrollbar-thumb {
          border-radius: 3px;
          background-color: #919191; }
        .content .list-fr .list .class-list .headline {
          width: 100%;
          height: 50px;
          position: relative;
          border-bottom: 1px #020202 solid; }
          .content .list-fr .list .class-list .headline i {
            background: url(../images/list-icon.png) no-repeat;
            display: block;
            width: 10px;
            height: 9px;
            position: absolute;
            left: 15px;
            top: 20px;
            padding: 0 35px; }
          .content .list-fr .list .class-list .headline span {
            color: #fff;
            line-height: 50px;
            padding: 0 30px 0 35px;
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            word-wrap: normal; }
        .content .list-fr .list .class-list .section {
          color: #ccc;
          padding: 0 0 0 15px;
          margin-top: 22px;
          margin-bottom: 15px; }
        .content .list-fr .list .class-list .period {
          width: 100%;
          height: auto;
          zoom: 1;
          overflow: hidden;
          padding: 0px 15px;
          margin-bottom: 15px; }
          .content .list-fr .list .class-list .period .title {
            width: 281px;
            font-size: 14px;
            line-height: 14px;
            color: #8f8f8f;
            display: flex;
            align-items: center; }
            .content .list-fr .list .class-list .period .title .mr {
              margin-right: 5px; }
            .content .list-fr .list .class-list .period .title .i {
              display: inline-block;
              width: 14px;
              height: 14px;
              float: left; }
            .content .list-fr .list .class-list .period .title .period-lock {
              background: url(../images/lock.png) no-repeat; }
            .content .list-fr .list .class-list .period .title .lesson-item {
              background: url(../images/icon-bf.png) no-repeat; }
            .content .list-fr .list .class-list .period .title .try {
              display: inline-block;
              width: 30px;
              height: 18px;
              font-size: 12px;
              color: #FF671B;
              border: 1px solid #FF671B;
              text-align: center; }
          .content .list-fr .list .class-list .period .time {
            font-size: 14px;
            color: #8f8f8f; }
          .content .list-fr .list .class-list .period:hover .title {
            color: #188EEE; }
            .content .list-fr .list .class-list .period:hover .title .period-lock {
              background: url(../images/lock-hover.png) no-repeat; }
            .content .list-fr .list .class-list .period:hover .title .lesson-item {
              background: url(../images/icon-bf-hover.png) no-repeat; }
            .content .list-fr .list .class-list .period:hover .title .try {
              color: #188EEE;
              border: 1px solid #188EEE; }
          .content .list-fr .list .class-list .period:hover .time {
            color: #188EEE; }
        .content .list-fr .list .class-list .active .title {
          color: #188EEE; }
          .content .list-fr .list .class-list .active .title .period-lock {
            background: url(../images/lock-hover.png) no-repeat; }
          .content .list-fr .list .class-list .active .title .lesson-item {
            background: url(../images/live.gif) no-repeat; }
          .content .list-fr .list .class-list .active .title .try {
            color: #188EEE;
            border: 1px solid #188EEE; }
        .content .list-fr .list .class-list .active .time {
          color: #188EEE; }
      .content .list-fr .list .consultation-btn {
        width: 359px;
        height: 50px; }
        .content .list-fr .list .consultation-btn a {
          display: block;
          width: 50%;
          line-height: 50px;
          text-align: center;
          font-size: 16px;
          float: left; }
        .content .list-fr .list .consultation-btn .zx {
          background: #434343;
          color: #FF9D1E; }
        .content .list-fr .list .consultation-btn .buy {
          background: #188EEE;
          color: #fff; }
    .content .list-fr .editor {
      font-size: 14px;
      color: #fff; }
    .content .list-fr .reveal {
      display: block; }
    .content .list-fr .course {
      width: 60px;
      height: 100%;
      float: right;
      position: relative; }
      .content .list-fr .course .tabs li {
        width: 60px;
        height: 62px;
        position: relative; }
        .content .list-fr .course .tabs li a {
          padding: 8px 0px;
          margin-bottom: 5px;
          text-align: center;
          display: inline-block;
          width: 100%;
          color: #ccc;
          text-decoration: none; }
          .content .list-fr .course .tabs li a span {
            margin: 0 auto;
            display: block;
            margin-bottom: 5px; }
          .content .list-fr .course .tabs li a .catalo {
            width: 18px;
            height: 16px;
            background: url(../images/mulu.png) no-repeat; }
          .content .list-fr .course .tabs li a .note {
            width: 20px;
            height: 22px;
            background: url(../images/note.png) no-repeat; }
          .content .list-fr .course .tabs li a .scan {
            width: 21px;
            height: 18px;
            background: url(../images/saoyisao.png) no-repeat; }
        .content .list-fr .course .tabs li:hover .catalo, .content .list-fr .course .tabs li.active .catalo {
          background: url(../images/mulu-select.png) no-repeat; }
        .content .list-fr .course .tabs li:hover .note, .content .list-fr .course .tabs li.active .note {
          background: url(../images/note-select.png) no-repeat; }
      .content .list-fr .course .tabs .current a {
        color: #188EEE; }
        .content .list-fr .course .tabs .current a .catalo {
          background: url(../images/mulu-select.png) no-repeat; }
        .content .list-fr .course .tabs .current a .note {
          background: url(../images/note-select.png) no-repeat; }
      .content .list-fr .course .fanhui {
        width: 60px;
        position: fixed;
        bottom: 10px;
        padding: 10px 0px;
        display: none; }
        .content .list-fr .course .fanhui img {
          width: 14px;
          height: 16px;
          display: block;
          margin: 0 auto; }
    .content .list-fr .cont {
      display: inline-block;
      width: 360px;
      height: 100%;
      position: absolute;
      top: 0;
      right: 60px; }
  .content .erweima {
    width: 130px;
    position: fixed;
    right: 80px;
    top: 130px;
    padding: 5px 10px;
    font-size: 12px;
    background: #fff;
    color: #313131;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
    display: none;
    text-align: center; }
    .content .erweima img {
      margin-bottom: 10px;
      width: 110px;
      height: 110px;
      display: block; }
  .content.active .fl-video {
    width: calc(100% - 420px); }
  .content.active .list-fr {
    width: 420px; }
    .content.active .list-fr .course .fanhui {
      display: block; }