body {
  background: #f4f4f4; }

.layout {
  width: 1200px;
  margin: 0 auto; }

.play-img > .layout {
  position: relative; }
.play-img .slider_item {
  float: left;
  width: 1200px;
  height: 512px;
  overflow: hidden;
  position: relative; }
  .play-img .slider_item .switch-tips {
    position: absolute;
    bottom: 20px;
    left: 50%;
    z-index: 1;
    margin: 0 0 0 -32px; }
    .play-img .slider_item .switch-tips li {
      cursor: pointer;
      text-indent: 99999px;
      float: left;
      width: 8px;
      height: 8px;
      background: #fff;
      background: rgba(255, 255, 255, 0.5);
      border-radius: 50%;
      margin-right: 11px; }
      .play-img .slider_item .switch-tips li.on {
        background: #fff; }
      .play-img .slider_item .switch-tips li.last-switch-tips {
        margin-right: 0; }
  .play-img .slider_item .img-group ul li {
    float: left;
    position: relative;
    width: 1200px;
    height: 512px; }
    .play-img .slider_item .img-group ul li img {
      width: 1200px;
      height: 512px; }
    .play-img .slider_item .img-group ul li p {
      position: absolute;
      bottom: 0;
      width: 100%; }
      .play-img .slider_item .img-group ul li p a {
        display: block;
        height: 50px;
        line-height: 50px;
        color: #fff;
        font-size: 22px;
        padding: 0 200px 0 20px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        background: rgba(0, 0, 0, 0.3);
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#55000000, endColorstr=#55000000);
        -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#55000000, endColorstr=#55000000)"; }
.play-img ul.nav {
  position: absolute;
  left: 0;
  top: 0;
  width: 253px;
  height: 512px;
  padding: 21px 0 0 0;
  background: #333333;
  background: rgba(51, 51, 51, 0.9);
  background: transparent\8;
  zoom: 1;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#E6333333, endColorstr=#E6333333);
  -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#E6333333, endColorstr=#E6333333)"; }
  .play-img ul.nav li.item {
    line-height: 47px;
    padding-left: 23px; }
    .play-img ul.nav li.item .main dl dt {
      float: left;
      margin: 0 12px 0 0; }
      .play-img ul.nav li.item .main dl dt a {
        display: inline-block;
        line-height: 19px;
        color: #fff;
        font-size: 15px; }
    .play-img ul.nav li.item .main dl dd {
      float: left; }
      .play-img ul.nav li.item .main dl dd a {
        display: inline-block;
        line-height: 19px;
        color: #fff;
        font-size: 13px;
        margin: 0 12px 0 0; }
      .play-img ul.nav li.item .main dl dd i {
        color: #fff;
        font-size: 13px; }
    .play-img ul.nav li.item .pop {
      display: none;
      position: absolute;
      z-index: 10;
      top: 0;
      left: 253px;
      background: #fff;
      width: 947px;
      border: 2px solid #4286f5;
      padding: 21px 0 21px 30px;
      min-height: 512px; }
      .play-img ul.nav li.item .pop dl {
        padding: 6px 0;
        color: #666;
        line-height: 35px; }
        .play-img ul.nav li.item .pop dl dt {
          float: left;
          width: 72px;
          margin-right: 12px; }
          .play-img ul.nav li.item .pop dl dt a {
            display: inline-block;
            font-size: 15px;
            color: #4286f5; }
        .play-img ul.nav li.item .pop dl dd {
          float: left;
          width: 800px; }
          .play-img ul.nav li.item .pop dl dd a {
            display: inline-block;
            font-size: 13px;
            color: #333;
            margin: 0 0 0 12px;
            line-height: 35px; }
            .play-img ul.nav li.item .pop dl dd a:after {
              color: #CCC;
              content: "| ";
              margin-left: 12px; }
            .play-img ul.nav li.item .pop dl dd a:last-child:after {
              content: ""; }
    .play-img ul.nav li.item:hover {
      background: white;
      background: rgba(255, 255, 255, 0.9);
      background: transparent\8;
      zoom: 1;
      filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#E6FFFFFF, endColorstr=#E6FFFFFF);
      -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#E6FFFFFF, endColorstr=#E6FFFFFF)"; }
      .play-img ul.nav li.item:hover .main dl dt a, .play-img ul.nav li.item:hover .main dl dd a, .play-img ul.nav li.item:hover .main dl dd i {
        color: #4286f5; }
      .play-img ul.nav li.item:hover .pop {
        display: block; }

.column-one {
  width: 100%;
  height: 270px;
  background: #fff;
  margin-top: 10px;
  padding: 10px; }
  .column-one .list-one {
    float: left; }
    .column-one .list-one img {
      width: 450px;
      height: 250px; }
  .column-one .list-two {
    float: left;
    margin-left: 10px; }
    .column-one .list-two img {
      width: 320px;
      height: 120px; }
    .column-one .list-two .bottom-img {
      margin-top: 10px; }
  .column-one .list-three {
    float: right; }
    .column-one .list-three img {
      width: 390px;
      height: 250px; }

.column {
  padding: 35px 0 47px 28px;
  background: #fff;
  margin: 10px 0 0 0; }
  .column.column-three {
    padding: 35px 0 38px 28px; }
  .column .sideNav {
    float: left;
    width: 180px; }
    .column .sideNav .columnTitle {
      margin-bottom: 20px;
      font-size: 20px;
      color: #4286f5;
      font-weight: bold;
      line-height: 30px; }
      .column .sideNav .columnTitle i {
        display: inline-block;
        width: 10px;
        height: 20px;
        vertical-align: -3px;
        border-left: 3px solid #4286f5; }
    .column .sideNav ul li {
      height: 24px;
      margin-bottom: 6px; }
      .column .sideNav ul li a {
        display: inline-block;
        font-size: 14px;
        font-weight: normal;
        color: #333;
        line-height: 24px;
        max-width: 180px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis; }
        .column .sideNav ul li a.more, .column .sideNav ul li a:hover {
          color: #4286f5; }
  .column .content {
    margin: 25px 0 0 10px; }

.column-two .content {
  float: left;
  width: 953px; }
  .column-two .content .list-one {
    float: left;
    width: 703px;
    height: 446px; }
    .column-two .content .list-one td {
      width: 233px;
      height: 148px;
      border: 1px solid #ededed; }
      .column-two .content .list-one td .img-item {
        float: left;
        height: 147px;
        margin: 0 0 0 12px; }
        .column-two .content .list-one td .img-item .top-img {
          margin-top: 9px; }
          .column-two .content .list-one td .img-item .top-img img {
            width: 210px;
            height: 100px;
            margin-bottom: 10px; }
        .column-two .content .list-one td .img-item:hover .bottom-text p a {
          color: #4286f5; }
        .column-two .content .list-one td .img-item .bottom-text {
          border-top: 1px solid #ededed; }
          .column-two .content .list-one td .img-item .bottom-text p {
            height: 26px; }
            .column-two .content .list-one td .img-item .bottom-text p a {
              display: inline-block;
              width: 210px;
              white-space: nowrap;
              overflow: hidden;
              text-overflow: ellipsis;
              line-height: 26px;
              font-size: 12px;
              color: #333; }
  .column-two .content .list-two {
    float: left;
    width: 233px;
    height: 445px;
    margin-left: 17px; }
    .column-two .content .list-two img {
      width: 233px;
      height: 445px; }

.column-three .content {
  float: left;
  width: 954px; }
.column-three .content-wrapper {
  width: 970px;
  margin-top: -31px; }
  .column-three .content-wrapper .img-item {
    float: left;
    width: 228px;
    height: 189px;
    margin: 31px 14px 0 0; }
    .column-three .content-wrapper .img-item .top-img img {
      width: 228px;
      height: 131px; }
    .column-three .content-wrapper .img-item .bottom-text {
      margin: 9px 0 0 0;
      padding: 0 9px; }
      .column-three .content-wrapper .img-item .bottom-text .course-title {
        height: 22px; }
        .column-three .content-wrapper .img-item .bottom-text .course-title a {
          display: inline-block;
          width: 100%;
          white-space: nowrap;
          overflow: hidden;
          text-overflow: ellipsis;
          line-height: 22px;
          font-size: 14px;
          color: #000033; }
          .column-three .content-wrapper .img-item .bottom-text .course-title a:hover {
            color: #4286f5; }
      .column-three .content-wrapper .img-item .bottom-text .course-info {
        font-size: 12px;
        color: #999;
        line-height: 18px;
        width: 100%;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis; }
    .column-three .content-wrapper .img-item {
      background: #fff;
      box-shadow: 0 3px 5px #cecece; }

/*# sourceMappingURL=index.css.map */