.broadcast-notice-wrap {
  height: 100%;
  min-width: 1250px;
  background: #ddf1d9; }

.broadcast-tab-main {
  color: #2d2d2d;
  padding-bottom: 50px; }
  .broadcast-tab-main * {
    box-sizing: border-box; }
  .broadcast-tab-main p {
    font-size: 18px; }
  .broadcast-tab-main .broadcast-nav {
    margin: 0 auto;
    margin-top: -40px;
    text-align: center; }
    .broadcast-tab-main .broadcast-nav.fixed {
      position: fixed;
      left: 0;
      top: 0;
      width: 100%;
      z-index: 100;
      background: #f3f8fe;
      margin-top: 0; }
    .broadcast-tab-main .broadcast-nav #tab-index {
      display: inline-block;
      border-radius: 10px;
      overflow: hidden; }
    .broadcast-tab-main .broadcast-nav .index-1 .kctd {
      color: #000;
      border-top-left-radius: 8px;
      border-bottom-left-radius: 8px; }
      .broadcast-tab-main .broadcast-nav .index-1 .kctd i {
        background-position-y: -38px; }
      .broadcast-tab-main .broadcast-nav .index-1 .kctd::before {
        display: block; }
    .broadcast-tab-main .broadcast-nav .index-2 .kctd::after {
      display: none; }
    .broadcast-tab-main .broadcast-nav .index-2 .zjtd {
      color: #000; }
      .broadcast-tab-main .broadcast-nav .index-2 .zjtd i {
        background-position-y: -76px; }
      .broadcast-tab-main .broadcast-nav .index-2 .zjtd::before {
        display: block; }
    .broadcast-tab-main .broadcast-nav .index-3 .zjtd::after {
      display: none; }
    .broadcast-tab-main .broadcast-nav .index-3 .ztjs {
      color: #000; }
      .broadcast-tab-main .broadcast-nav .index-3 .ztjs i {
        background-position-y: -57px; }
      .broadcast-tab-main .broadcast-nav .index-3 .ztjs::before {
        display: block; }
    .broadcast-tab-main .broadcast-nav .index-4 .ztjs::after {
      display: none; }
    .broadcast-tab-main .broadcast-nav .index-4 .kcb {
      color: #000; }
      .broadcast-tab-main .broadcast-nav .index-4 .kcb i {
        background-position-y: -19px; }
      .broadcast-tab-main .broadcast-nav .index-4 .kcb::before {
        display: block; }
    .broadcast-tab-main .broadcast-nav .index-5 .kcb::after {
      display: none; }
    .broadcast-tab-main .broadcast-nav .index-5 .cjwt {
      color: #000;
      border-top-right-radius: 8px;
      border-bottom-right-radius: 8px; }
      .broadcast-tab-main .broadcast-nav .index-5 .cjwt i {
        background-position-y: -158px; }
      .broadcast-tab-main .broadcast-nav .index-5 .cjwt::before {
        display: block; }
    .broadcast-tab-main .broadcast-nav a {
      position: relative;
      float: left;
      vertical-align: middle;
      width: 195px;
      height: 70px;
      background-color: #fff;
      border: 2px solid #fff;
      text-align: center;
      line-height: 66px;
      font-size: 20px;
      color: #8f8f8f; }
      .broadcast-tab-main .broadcast-nav a::before {
        content: "";
        width: 55px;
        height: 4px;
        background-color: #3fae45;
        border-radius: 2px;
        position: absolute;
        bottom: -2px;
        left: 50%;
        display: none;
        -webkit-transform: translate3d(-50%, 0, 0);
        transform: translate3d(-50%, 0, 0); }
      .broadcast-tab-main .broadcast-nav a:not(:last-child):after {
        position: absolute;
        z-index: 2;
        content: '';
        width: 1px;
        height: 35px;
        background-color: #cfcfcf;
        left: 194px;
        bottom: 15px; }
      .broadcast-tab-main .broadcast-nav a i {
        display: inline-block;
        background-image: url(../images/onlineclass2021/icon-tab.png);
        margin-right: 10px;
        position: relative;
        top: 3px; }
    .broadcast-tab-main .broadcast-nav .kctd i {
      width: 19px;
      height: 19px;
      background-position-y: -139px; }
    .broadcast-tab-main .broadcast-nav .zjtd i {
      width: 19px;
      height: 22px;
      background-position-y: -98px; }
    .broadcast-tab-main .broadcast-nav .ztjs i {
      width: 19px;
      height: 19px;
      background-position-y: -120px; }
    .broadcast-tab-main .broadcast-nav .kcb i {
      width: 17px;
      height: 19px; }
    .broadcast-tab-main .broadcast-nav .cjwt i {
      width: 20px;
      height: 20px;
      background-position-y: -178px; }
  .broadcast-tab-main .broadcast-box {
    padding-top: 50px; }
  .broadcast-tab-main .broadcast-title {
    text-align: center;
    color: #35a836;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 10px; }
  .broadcast-tab-main .little-title {
    text-align: center;
    font-size: 30px;
    color: #35a836; }
  .broadcast-tab-main .little-title1 {
    text-align: center;
    font-size: 24px;
    color: #35a836; }

.kctd-box .intro {
  text-indent: 2em;
  line-height: 34px;
  width: 935px;
  margin: 30px auto 30px auto; }

.sktd-box {
  padding-bottom: 100px; }
  .sktd-box .aad-item {
    height: 400px;
    margin-top: 40px;
    padding-top: 40px;
    background-color: #ffebcf; }
  .sktd-box .aad-title {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px; }
  .sktd-box .aad-img {
    width: 903px;
    height: 251px;
    margin: 0 auto; }
    .sktd-box .aad-img img {
      width: 100%;
      height: 100%; }
  .sktd-box .t-item-box {
    margin: 60px auto 0;
    width: 920px; }
  .sktd-box .t-item {
    position: relative;
    float: left;
    width: 440px;
    height: 260px;
    border-radius: 15px;
    border: 3px solid #fff;
    overflow: hidden;
    margin: 0 10px 20px;
    box-shadow: 8px 0 9px rgba(143, 64, 0, 0.2); }
    .sktd-box .t-item p {
      font-size: 21px;
      color: #fff;
      position: absolute;
      bottom: 0;
      left: 0;
      background-color: #ff9f00;
      height: 43px;
      line-height: 43px;
      text-align: center;
      width: 100%; }
      .sktd-box .t-item p.spe {
        font-size: 18px; }

.ztjs-box .zt-item {
  width: 930px;
  margin: 40px auto 0; }
.ztjs-box .item {
  width: 911px;
  height: 166px;
  margin: 0 auto;
  color: #2d2d2d;
  font-weight: bold;
  font-size: 21px;
  padding-left: 320px;
  line-height: 1.6;
  margin-bottom: 10px; }
  .ztjs-box .item p {
    width: 558px; }
  .ztjs-box .item.item01 {
    background: url(../images/onlineclass2021/bg-list1.png) no-repeat; }
  .ztjs-box .item.item02 {
    background: url(../images/onlineclass2021/bg-list2.png) no-repeat; }
  .ztjs-box .item.item03 {
    background: url(../images/onlineclass2021/bg-list3.png) no-repeat; }
  .ztjs-box .item.item04 {
    background: url(../images/onlineclass2021/bg-list4.png) no-repeat; }
  .ztjs-box .item.item05 {
    background: url(../images/onlineclass2021/bg-list5.png) no-repeat; }
.ztjs-box .zt-title {
  width: 930px;
  height: 45px;
  line-height: 45px;
  background-color: #ff9f00;
  text-align: center;
  color: #fff;
  font-size: 24px;
  font-weight: bold;
  border-radius: 30px;
  margin-bottom: 20px; }
.ztjs-box .zt-content {
  padding: 0 15px;
  font-size: 18px;
  margin-bottom: 20px; }
  .ztjs-box .zt-content .str {
    font-weight: bold;
    margin-bottom: 5px;
    text-indent: 0; }
  .ztjs-box .zt-content p {
    margin-bottom: 15px;
    text-indent: 2em; }

.kcb-box .kcb-title {
  font-size: 24px;
  text-align: center;
  color: #333;
  margin-bottom: 20px; }

.part-table {
  text-align: center;
  margin-top: 18px; }

.part-list {
  font-size: 0;
  text-align: center;
  margin-top: 45px; }
  .part-list li {
    display: inline-block;
    border-radius: 10px;
    border: solid 3px #f4f3f1;
    width: 115px;
    height: 36px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    line-height: 30px;
    margin: 0 18px;
    cursor: pointer; }
    .part-list li.item1 {
      background-color: #e27a34; }
    .part-list li.item2 {
      background-color: #5893c8; }
    .part-list li.item3 {
      background-color: #6ea648; }
    .part-list li.item4 {
      background-color: #f4ba1d; }
    .part-list li.item5 {
      background-color: #683390; }

.rhxx-box {
  padding-bottom: 40px; }
  .rhxx-box .rhxx-item {
    width: 930px;
    margin: 40px auto 0; }
  .rhxx-box .xx-title {
    width: 930px;
    line-height: 34px;
    height: 34px;
    text-align: center;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px; }
    .rhxx-box .xx-title span {
      font-size: 18px;
      font-weight: bold;
      background-color: #e2470f;
      display: inline-block;
      border-radius: 10px;
      padding: 0 20px; }
  .rhxx-box .text-center {
    text-align: center;
    line-height: 2; }
    .rhxx-box .text-center .code {
      width: 148px; }
  .rhxx-box .imp-info {
    color: #35a836;
    text-decoration: underline; }
  .rhxx-box .xx-content {
    padding: 0 15px;
    font-size: 18px;
    margin-bottom: 20px; }
    .rhxx-box .xx-content .str {
      font-weight: bold;
      margin-bottom: 5px;
      text-indent: 0; }
    .rhxx-box .xx-content p {
      margin-bottom: 15px;
      text-indent: 2em;
      line-height: 1.8; }
  .rhxx-box .mb-item {
    width: 857px;
    height: 180px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden; }
  .rhxx-box .mb-item-left {
    width: 193px;
    float: left;
    background-color: #ffd9a8;
    height: 100%; }
    .rhxx-box .mb-item-left span {
      display: block;
      width: 91px;
      height: 125px;
      margin: 24px auto 0;
      background: url(../images/onlineclass2020/icon-mobile.png); }
  .rhxx-box .mb-item-right {
    width: 664px;
    float: left;
    background-color: #ffebcf;
    height: 100%;
    position: relative; }
    .rhxx-box .mb-item-right .mb-r01 {
      width: 413px;
      margin-left: 44px;
      padding-top: 23px; }
    .rhxx-box .mb-item-right p {
      font-size: 18px;
      height: 35px;
      width: 413px;
      background-color: #fff;
      border: 2px solid #ff9f00;
      border-radius: 20px;
      text-align: center;
      line-height: 35px; }
    .rhxx-box .mb-item-right .arr {
      display: block;
      width: 34px;
      height: 8px;
      margin: 4px auto;
      background: url(../images/onlineclass2020/icon-arr.png); }
    .rhxx-box .mb-item-right .mb-qrcode {
      width: 138px;
      height: 138px;
      border-radius: 8px;
      border: 2px solid #ff9f00;
      overflow: hidden;
      position: absolute;
      top: 23px;
      right: 45px; }
      .rhxx-box .mb-item-right .mb-qrcode img {
        width: 100%;
        height: 100%; }
  .rhxx-box .pc-item {
    width: 857px;
    height: 616px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden; }
  .rhxx-box .pc-item-left {
    width: 193px;
    float: left;
    background-color: #ffd9a8;
    height: 100%; }
    .rhxx-box .pc-item-left span {
      display: block;
      width: 91px;
      height: 125px;
      margin: 245px auto 0;
      background: url(../images/onlineclass2020/icon-pc.png); }
  .rhxx-box .pc-item-right {
    width: 664px;
    float: left;
    background-color: #ffebcf;
    height: 100%;
    padding-top: 20px; }
    .rhxx-box .pc-item-right p {
      font-size: 18px;
      height: 35px;
      width: 573px;
      background-color: #fff;
      border: 2px solid #ff9f00;
      border-radius: 20px;
      text-align: center;
      line-height: 35px;
      margin: 0 auto; }
    .rhxx-box .pc-item-right .pc-item-img {
      position: relative;
      margin: 22px auto 0;
      width: 517px; }
      .rhxx-box .pc-item-right .pc-item-img img {
        width: 100%; }
      .rhxx-box .pc-item-right .pc-item-img a {
        display: block;
        position: absolute;
        width: 250px;
        height: 165px;
        transition: all 0.3s; }
        .rhxx-box .pc-item-right .pc-item-img a:hover {
          background-color: rgba(0, 0, 0, 0.2); }
          .rhxx-box .pc-item-right .pc-item-img a:hover span {
            transform: translateY(-10px); }
        .rhxx-box .pc-item-right .pc-item-img a span {
          position: absolute;
          top: 50%;
          left: 50%;
          margin-left: -48px;
          margin-top: -48px;
          width: 97px;
          height: 97px;
          background: url(../images/onlineclass2020/icon-play.png) no-repeat;
          transition: all 0.3s; }
        .rhxx-box .pc-item-right .pc-item-img a.zt01 {
          top: 0;
          left: 0; }
        .rhxx-box .pc-item-right .pc-item-img a.zt02 {
          top: 0;
          right: 0; }
        .rhxx-box .pc-item-right .pc-item-img a.zt03 {
          top: 175px;
          left: 0; }
        .rhxx-box .pc-item-right .pc-item-img a.zt04 {
          top: 175px;
          right: 0; }
        .rhxx-box .pc-item-right .pc-item-img a.zt05 {
          top: 350px;
          left: 0; }
        .rhxx-box .pc-item-right .pc-item-img a.zt06 {
          top: 350px;
          right: 0; }

tr {
  mso-height-source: auto;
  mso-ruby-visibility: none; }

col {
  mso-width-source: auto;
  mso-ruby-visibility: none; }

br {
  mso-data-placement: same-cell; }

ruby {
  ruby-align: left; }

.style0 {
  mso-number-format: General;
  text-align: general;
  vertical-align: middle;
  white-space: nowrap;
  mso-rotate: 0;
  mso-background-source: auto;
  mso-pattern: auto;
  color: black;
  font-size: 11pt;
  font-weight: 400;
  font-style: normal;
  text-decoration: none;
  font-family: 宋体;
  mso-generic-font-family: auto;
  mso-font-charset: 134;
  border: none;
  mso-protection: locked visible;
  mso-style-name: 常规;
  mso-style-id: 0; }

.font6 {
  color: black;
  font-size: 11pt;
  font-weight: 700;
  font-style: normal;
  text-decoration: none;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134; }

.font7 {
  color: black;
  font-size: 11pt;
  font-weight: 400;
  font-style: normal;
  text-decoration: none;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134; }

.font8 {
  color: windowtext;
  font-size: 11pt;
  font-weight: 400;
  font-style: normal;
  text-decoration: none;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134; }

td {
  mso-style-parent: style0;
  padding-top: 1px;
  padding-right: 1px;
  padding-left: 1px;
  mso-ignore: padding;
  color: black;
  font-size: 11pt;
  font-weight: 400;
  font-style: normal;
  text-decoration: none;
  font-family: 宋体;
  mso-generic-font-family: auto;
  mso-font-charset: 134;
  mso-number-format: General;
  text-align: general;
  vertical-align: middle;
  border: none;
  mso-background-source: auto;
  mso-pattern: auto;
  mso-protection: locked visible;
  white-space: nowrap;
  mso-rotate: 0; }

.xl65 {
  mso-style-parent: style0;
  color: black;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #EBF1DE;
  mso-pattern: black none;
  white-space: normal; }

.xl66 {
  mso-style-parent: style0;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
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  border: 0.5pt solid windowtext;
  background: #E4DFEC;
  mso-pattern: black none;
  white-space: normal; }

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  border: 0.5pt solid windowtext;
  background: #F2DCDB;
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.xl75 {
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.xl76 {
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.xl77 {
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  border: 0.5pt solid windowtext;
  background: #E4DFEC;
  mso-pattern: black none;
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  border: 0.5pt solid windowtext;
  background: #E4DFEC;
  mso-pattern: black none;
  white-space: normal; }

.xl79 {
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  mso-font-charset: 134;
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  background: #EBF1DE;
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  white-space: normal; }

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  background: #DCE6F1;
  mso-pattern: black none;
  white-space: normal; }

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  border: 0.5pt solid windowtext;
  background: #DCE6F1;
  mso-pattern: black none;
  white-space: normal; }

.xl82 {
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  background: #F2DCDB;
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  background: #F2DCDB;
  mso-pattern: black none;
  white-space: normal; }

.xl84 {
  mso-style-parent: style0;
  color: white;
  font-size: 12pt;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #3BB4B7;
  mso-pattern: black none;
  white-space: normal; }

.xl85 {
  mso-style-parent: style0;
  color: white;
  font-size: 12pt;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border-top: 0.5pt solid windowtext;
  border-right: none;
  border-bottom: 0.5pt solid windowtext;
  border-left: 0.5pt solid windowtext;
  background: #3BB4B7;
  mso-pattern: black none;
  white-space: normal; }

.xl86 {
  mso-style-parent: style0;
  color: white;
  font-size: 12pt;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border-top: 0.5pt solid windowtext;
  border-right: 0.5pt solid windowtext;
  border-bottom: 0.5pt solid windowtext;
  border-left: none;
  background: #3BB4B7;
  mso-pattern: black none;
  white-space: normal; }

.xl87 {
  mso-style-parent: style0;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #DAEEF3;
  mso-pattern: black none;
  white-space: normal; }

.xl88 {
  mso-style-parent: style0;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #DCE6F1;
  mso-pattern: black none;
  white-space: normal; }

.xl89 {
  mso-style-parent: style0;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #FDE9D9;
  mso-pattern: black none;
  white-space: normal; }

.xl90 {
  mso-style-parent: style0;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #E4DFEC;
  mso-pattern: black none;
  white-space: normal; }

.xl91 {
  mso-style-parent: style0;
  font-weight: 700;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border: 0.5pt solid windowtext;
  background: #EBF1DE;
  mso-pattern: black none;
  white-space: normal; }

.xl92 {
  mso-style-parent: style0;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border-top: 0.5pt solid windowtext;
  border-right: 0.5pt solid windowtext;
  border-bottom: none;
  border-left: 0.5pt solid windowtext;
  background: #DAEEF3;
  mso-pattern: black none;
  white-space: normal; }

.xl93 {
  mso-style-parent: style0;
  font-family: 微软雅黑, sans-serif;
  mso-font-charset: 134;
  text-align: center;
  border-top: none;
  border-right: 0.5pt solid windowtext;
  border-bottom: 0.5pt solid windowtext;
  border-left: 0.5pt solid windowtext;
  background: #DAEEF3;
  mso-pattern: black none;
  white-space: normal; }

.xl94 {
  mso-style-parent: style0;
  white-space: normal; }

.broadcast-tab-container {
  width: 1200px;
  margin: 0 auto;
  background-color: #fff; }

.class-box {
  padding-left: 114px; }
  .class-box li {
    float: left;
    margin-bottom: 30px; }
    .class-box li:nth-child(2n+1) {
      margin-right: 20px; }
    .class-box li:hover .img::before {
      content: "";
      position: absolute;
      width: 460px;
      height: 306px;
      background-color: rgba(0, 0, 0, 0.6);
      left: 8px;
      top: 8px;
      border-radius: 2px; }
    .class-box li:hover .img::after {
      content: "";
      background: url(http://haolaoshi.bnu.edu.cn/goodteacher/images/onlineclass2020/icon-play.png);
      width: 97px;
      height: 97px;
      position: absolute;
      left: 50%;
      top: 50%;
      -webkit-transform: translate3d(-50%, -50%, 0);
      transform: translate3d(-50%, -50%, 0); }
  .class-box .img {
    width: 474px;
    height: 321px;
    position: relative; }
  .class-box .last-box {
    width: 453px;
    height: 361px;
    background-color: #e6e6e6;
    text-align: center;
    margin-left: 8px;
    padding-top: 44px; }
  .class-box .class-name {
    color: #fff;
    line-height: 40px;
    font-size: 18px;
    text-align: center;
    width: 459px;
    margin: 0 auto; }
  .class-box .name1 {
    background-color: #638093; }
  .class-box .name2 {
    background-color: #e0596d; }
  .class-box .name3 {
    background-color: #81c0ac; }
  .class-box .name4 {
    background-color: #e9b963; }
  .class-box .name5 {
    background-color: #b46687; }

.wrapper-box {
  margin: 0 auto;
  width: 978px; }

.setion2-tit {
  font-size: 24px;
  font-weight: bold;
  color: #35a836;
  position: relative;
  right: 0;
  margin-top: 35px;
  line-height: 1.8; }
  .setion2-tit.tit-line::after {
    position: absolute;
    width: 814px;
    top: 19px;
    height: 2px;
    right: 0;
    content: "";
    background-color: #35a836; }

.line-bottom-green {
  border-bottom: 2px solid #35a836;
  padding-bottom: 40px; }

.line-text {
  line-height: 1.8; }

.important-tips {
  color: #e2470f;
  font-size: 18px; }

.teacher-box li {
  float: left;
  margin-bottom: 43px; }
  .teacher-box li:nth-child(2n+1) {
    margin-right: 60px; }
.teacher-box .img, .teacher-box .teacher-info {
  float: left; }
.teacher-box .img {
  width: 112px;
  height: 121px;
  overflow: hidden;
  position: relative; }
  .teacher-box .img img {
    max-width: 100%;
    min-height: 100%; }
.teacher-box .teacher-info {
  width: 304px;
  margin-left: 28px;
  position: relative;
  line-height: 1.4; }
  .teacher-box .teacher-info::after {
    position: absolute;
    top: 0;
    left: -20px;
    width: 9px;
    height: 121px;
    background-color: #35a836;
    content: ""; }
  .teacher-box .teacher-info .class-name {
    color: #35a836; }
    .teacher-box .teacher-info .class-name span {
      text-indent: -12px; }
  .teacher-box .teacher-info p:not(:last-child) {
    margin-bottom: 12px; }
  .teacher-box .teacher-info span {
    display: inline-block;
    max-width: 244px;
    vertical-align: top; }