* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.homepage {
  background-color: #F1F5FC;
  font-size: 0;
}

.homepage .img {
  width: 100%;
}

.homepage-mb {
  display: none;
}

.wrap {
  background-color: #F1F5FC;
  width: 100%;
  font-family: "Microsoft YaHei,Arial,sans-serif";
}

.wrap .video-js .vjs-big-play-button {
  display: none;
}

.wrap .safeplace {
  width: 72.91667vw;
  margin: auto;
}

.wrap .safeplace a {
  text-decoration: none;
  color: inherit;
}

.wrap .safeplace .title {
  display: flex;
  justify-content: center;
  align-items: center;
}

.wrap .safeplace .title .i {
  width: 1.97917vw;
  margin-right: 1.04167vw;
}

.wrap .safeplace .title .s {
  font-size: 2.1875vw;
  line-height: 1.2;
  color: #333333;
  font-weight: bold;
}

.wrap .model1 {
  width: 100%;
  background-color: #F1F5FC;
}

.wrap .model1 .theme {
  display: flex;
  justify-content: space-around;
  width: 100%;
  height: 3.33333vw;
  background-color: #FFFFFF;
  border-radius: 10px;
  overflow: hidden;
}

.wrap .model1 .theme #sp4:hover {
  background: #FFFFFF;
  color: #C7000B;
}

.wrap .model1 .theme .theme-1 {
  cursor: pointer;
  width: 12.13542vw;
  font-size: 1.04167vw;
  line-height: 3.33333vw;
  text-align: center;
  color: #666666;
  padding: 0 1.5625vw;
}

.wrap .model1 .theme .theme-1:hover {
  background: linear-gradient(275.91deg, #C7000B 0%, rgba(199, 0, 11, 0.4) 100%);
  color: #FFFFFF;
}

.wrap .model1 .theme .theme-1.theme-1:last-child {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 13.28125vw;
  margin-left: 2.60417vw;
  text-align: center;
  color: #C7000B;
}

.wrap .model1 .theme .theme-1.theme-1:last-child .i {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jiantou.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  width: 0.625vw;
  margin-left: 0.52083vw;
  height: 0.41667vw;
}

.wrap .model2 {
  width: 100%;
  background-color: #F1F5FC;
  padding-top: 5.20833vw;
}

.wrap .model2 .title {
  justify-content: flex-start;
}

.wrap .model2 .title .i {
  width: 3.4375vw;
}

.wrap .model2 .theme {
  position: relative;
  margin-top: 2.08333vw;
}

.wrap .model2 .theme .theme-left {
  position: absolute;
  width: 53.5%;
  overflow: hidden;
  bottom: 2.08333vw;
  height: auto;
  border-radius: 1.04167vw;
}

.wrap .model2 .theme .theme-left .broadcast-play2 {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-play.png);
  pointer-events: none;
  background-size: 100%;
  width: 3.64583vw;
  height: 3.64583vw;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  position: absolute;
  z-index: 2;
}

.wrap .model2 .theme .theme-right {
  margin-top: 4.16667vw;
  margin-left: 47.6%;
  width: 52.4%;
  height: 21.92708vw;
  background-color: #FFFFFF;
  border-radius: 20px;
  color: #333333;
  font-size: 1.04167vw;
  line-height: 1.5;
  padding: 1.04167vw 1.04167vw 1.04167vw 8.6%;
}

.wrap .model2 .theme .theme-right .p3 {
  font-size: 1.19792vw;
  margin-bottom: 1.04167vw;
  position: relative;
  z-index: 2;
}

.wrap .model2 .theme .theme-right .p3::after {
  content: '';
  width: 29.16667vw;
  height: 3.38542vw;
  background: url("/~/media/CNBGV2/Images/5GBusinessOpenClass/3/title-back-line.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.wrap .model2 .theme .theme-right .p1 {
  margin-bottom: 0.78125vw;
}

.wrap #model3 {
  width: 100%;
  background-color: #F1F5FC;
  padding-top: 5.20833vw;
}

.wrap #model3 .item-play {
  position: relative;
}

.wrap #model3 .item-play .broadcast-play,
.wrap #model3 .item-play .broadcast-play3 {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-play.png);
  pointer-events: none;
  background-size: 100%;
  width: 3.64583vw;
  height: 3.64583vw;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  position: absolute;
  z-index: 2;
}

.wrap #model3 .theme {
  display: flex;
}

.wrap #model3 .theme .theme-1 {
  display: flex;
  justify-content: space-around;
  width: auto;
}

.wrap #model3 .theme .theme-right .item-top .p2,
.wrap #model3 .theme .theme-left .item-top .p2,
.wrap #model3 .theme .theme-center .item-top .p2 {
  margin-top: 1.5625vw;
}

.wrap #model3 .theme .theme-right,
.wrap #model3 .theme .theme-center,
.wrap #model3 .theme .theme-right2 {
  opacity: 0.4;
}

.wrap #model3 .theme .theme-right .item-bottom .i,
.wrap #model3 .theme .theme-center .item-bottom .i,
.wrap #model3 .theme .theme-right2 .item-bottom .i {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-blackyuan.png);
}

.wrap #model3 .theme .theme-right .item-bottom .p1,
.wrap #model3 .theme .theme-center .item-bottom .p1,
.wrap #model3 .theme .theme-right2 .item-bottom .p1 {
  color: #999999;
}

.wrap #model3 .theme .theme-right .item-bottom .p2,
.wrap #model3 .theme .theme-center .item-bottom .p2,
.wrap #model3 .theme .theme-right2 .item-bottom .p2 {
  font-size: 1.25vw;
  color: #999999;
}

.wrap #model3 .theme .item-top {
  border-radius: 10px;
  background-color: #FFFFFF;
  margin-top: 1.30208vw;
  overflow: hidden;
  margin-right: 1.04167vw;
  width: 17.44792vw;
  height: 30.20833vw;
}

.wrap #model3 .theme .item-top .item-play {
  width: 17.44792vw;
}

.wrap #model3 .theme .item-top .item-play .i {
  width: 100%;
}

.wrap #model3 .theme .item-top .text1 {
  padding-left: 1.04167vw;
}

.wrap #model3 .theme .item-top .text1 .p1 {
  padding-top: 1.04167vw;
  font-size: 1.35417vw;
  line-height: 1.5;
  color: #333333;
}

.wrap #model3 .theme .item-top .text1 .p2 {
  font-size: 1.04167vw;
  line-height: 1.5;
  color: #999999;
}

.wrap #model3 .theme .item-top .text2 {
  padding: 1.30208vw 0 2.86458vw 1.04167vw;
  font-size: 1.04167vw;
  line-height: 1.8;
  margin-top: 1.5625vw;
  color: #666666;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.wrap #model3 .theme .item-top .text2 .p1 {
  display: flex;
}

.wrap #model3 .theme .item-top .text2 .p1 .i {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-yuan.png);
  width: 0.3125vw;
  height: 0.3125vw;
  margin-top: 0.83333vw;
  margin-right: 0.52083vw;
  background-position: center;
  background-repeat: no-repeat;
  flex-shrink: 0;
  background-size: contain;
}

.wrap #model3 .theme .item-top .text2.vinda {
  margin-top: 0.05208vw;
}

.wrap #model3 .theme .item-bottom {
  margin-top: 1.35417vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wrap #model3 .theme .item-bottom .i {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-bigyuan.png);
  width: 1.61458vw;
  height: 1.61458vw;
  margin-right: 0.52083vw;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  flex-shrink: 0;
}

.wrap #model3 .theme .item-bottom .p1 {
  font-size: 1.25vw;
  line-height: 1.5;
  color: #C7000B;
  padding-top: 0.83333vw;
}

.wrap #model3 .theme .item-bottom .p2 {
  font-size: 1.5625vw;
  line-height: 1.5;
  color: #C7000B;
  padding-top: 0.52083vw;
}

.wrap #model3 .theme .prev-left {
  position: absolute;
  cursor: pointer;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-left-active.png);
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  left: 9.27083vw;
  background-size: auto;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 14.84375vw;
  top: auto;
}

.wrap #model3 .theme .prev-left.prev-left:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-left-hove.png);
}

.wrap #model3 .theme .next-right {
  position: absolute;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-right.png);
  cursor: pointer;
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 14.84375vw;
  top: auto;
  right: 9.27083vw;
}

.wrap #model3 .theme .next-right.next-right:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-right2.png);
}

.wrap #model3 .theme .prev-left.swiper-button-disabled {
  position: absolute;
  cursor: pointer;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-left.png);
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  left: 9.27083vw;
  background-size: auto;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 14.84375vw;
  top: auto;
}

.wrap #model3 .theme .prev-left.swiper-button-disabled.prev-left:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-left-hove.png);
}

.wrap #model3 .theme .next-right.swiper-button-disabled {
  position: absolute;
  cursor: pointer;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-right-active.png);
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 14.84375vw;
  top: auto;
  right: 9.27083vw;
}

.wrap #model3 .theme .next-right.swiper-button-disabled.next-right:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-right2.png);
}

.wrap #model3 .xuxian {
  width: 100%;
  border-bottom: 1px dashed #000000;
  opacity: 0.1;
  transform: translate(0, -6.97917vw);
}

.wrap #model4 {
  width: 100%;
  background-color: #F1F5FC;
  padding-top: 100px;
}

.wrap #model4 .theme {
  display: flex;
  justify-content: space-around;
  padding-top: 2.08333vw;
}

.wrap #model4 .theme .theme-left {
  margin-right: 1.04167vw;
  border-radius: 1.04167vw;
  overflow: hidden;
  width: 32.86458vw;
  height: 45.20833vw;
}

.wrap #model4 .theme .theme-left .i {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wrap #model4 .theme .theme-right {
  display: flex;
  justify-content: space-between;
  width: 53.5%;
  height: auto;
  flex-direction: column;
  z-index: 2;
}

.wrap #model4 .theme .theme-right .dir {
  background-color: #FFFFFF;
  padding: 1.5625vw;
  margin-bottom: 1.04167vw;
  border-radius: 1.04167vw;
  width: 39.01042vw;
}

.wrap #model4 .theme .theme-right .dir.dir:hover {
  background-color: #C7000B;
}

.wrap #model4 .theme .theme-right .dir.dir:hover .mub {
  color: #FFFFFF;
}

.wrap #model4 .theme .theme-right .dir.dir:hover .mub .mub-1 {
  border-bottom: 1px solid #FFFFFF;
}

.wrap #model4 .theme .theme-right .dir.dir:hover .p1 .i {
  background-color: #FFFFFF;
}

.wrap #model4 .theme .theme-right .dir.dir:hover .p1 p {
  color: #FFFFFF;
}

.wrap #model4 .theme .theme-right .dir .mub {
  display: flex;
  margin-bottom: 0.9375vw;
  color: #333333;
}

.wrap #model4 .theme .theme-right .dir .mub .mub-1 {
  font-size: 1.5625vw;
  line-height: 1;
  border-bottom: 1px solid #C7000B;
}

.wrap #model4 .theme .theme-right .dir .mub p {
  font-size: 1.25vw;
  margin-left: 0.78125vw;
  line-height: 1.5;
}

.wrap #model4 .theme .theme-right .dir .p1 {
  display: flex;
  align-items: center;
}

.wrap #model4 .theme .theme-right .dir .p1 .i {
  background-color: #C7000B;
  width: 0.3125vw;
  height: 0.3125vw;
  margin-right: 0.52083vw;
  border-radius: 0.3125vw;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  flex-shrink: 0;
}

.wrap #model4 .theme .theme-right .dir .p1 p {
  font-size: 1.04167vw;
  line-height: 1.8;
  color: #666666;
  margin-bottom: 0.26042vw;
}

.wrap #model5 {
  position: relative;
  width: 100%;
  background-color: #F1F5FC;
  padding-top: 100px;
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: 100%;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-maks.png);
}

.wrap #model5 .theme {
  width: 72.91667vw;
  padding-top: 2.08333vw;
  display: flex;
}

.wrap #model5 .theme .prev-left {
  cursor: pointer;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-left-active.png);
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  left: 9.27083vw;
  background-size: auto;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 8.28125vw;
  top: auto;
}

.wrap #model5 .theme .prev-left.prev-left:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-left-hove.png);
}

.wrap #model5 .theme .next-right {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-right.png);
  cursor: pointer;
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 8.28125vw;
  top: auto;
  right: 9.27083vw;
}

.wrap #model5 .theme .next-right.next-right:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-right2.png);
}

.wrap #model5 .theme .prev-left.swiper-button-disabled {
  cursor: pointer;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-left.png);
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  left: 9.27083vw;
  background-size: auto;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 8.28125vw;
  top: auto;
}

.wrap #model5 .theme .prev-left.swiper-button-disabled.perv-left:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-left-hove.png);
}

.wrap #model5 .theme .next-right.swiper-button-disabled {
  cursor: pointer;
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-right-active.png);
  opacity: 1;
  width: 2.1875vw;
  height: 2.1875vw;
  background-size: 2.1875vw, 2.1875vw;
  margin-top: 8.28125vw;
  top: auto;
  right: 9.27083vw;
}

.wrap #model5 .theme .next-right.swiper-button-disabled.next-right:hover {
  background-image: url(/~/media/CNBGV2/Images/5GBusinessOpenClass/3/icon-jt-right2.png);
}

.wrap #model5 .theme .theme-todo {
  width: 100%;
}

.wrap #model5 .theme .item {
  display: flex;
  padding-right: 1.04167vw;
}

.wrap #model5 .theme .item .item-left {
  width: 14.375vw;
  height: 17.44792vw;
}

.wrap #model5 .theme .item .item-left .i {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wrap #model5 .theme .item .item-right {
  font-size: 1.04167vw;
  line-height: 1.5;
  color: #666666;
  padding-left: 1.04167vw;
  width: 20.3125vw;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.wrap #model5 .theme .item .item-right .p1 {
  width: 2.08333vw;
  position: absolute;
  top: 0;
}

.wrap #model5 .theme .item .item-right .p4 {
  font-size: 1.25vw;
  color: #333333;
  margin-top: 2.60417vw;
  margin-bottom: 0.52083vw;
}

.wrap #model5 .theme .item .item-right .p4.p6 {
  margin-top: 0.3125vw;
}

.wrap #model5 .theme .item .item-right .p5 {
  line-height: 1.3;
}

.wrap #model5 .theme .item2 {
  display: flex;
}

.wrap #model5 .theme .item2 .item-left .i {
  width: 100%;
}

.wrap #model5 .theme .item2 .item-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 1.04167vw;
  line-height: 1.5;
  color: #666666;
  padding-left: 1.04167vw;
  width: 20.3125vw;
}

.wrap #model5 .theme .item2 .item-right .p1 {
  width: 2.08333vw;
}

.wrap #model5 .theme .item2 .item-right .p2 {
  margin-left: 2.96875vw;
}

.wrap #model5 .theme2 {
  display: flex;
  margin-top: 5.20833vw;
  flex-direction: column;
  align-items: center;
  padding-bottom: 5.20833vw;
}

.wrap #model5 .theme2 .item {
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid #C7000B;
  border-radius: 10px;
  color: #C7000B;
  font-size: 1.25vw;
  line-height: 1.25;
  padding: 1.30208vw 2.60417vw 1.30208vw 2.60417vw;
}

.wrap #model5 .theme2 .item.item:hover {
  background-color: #C7000B;
  color: #FFFFFF;
}

.wrap #model5 .theme2 .p1 {
  margin-top: 2.08333vw;
  color: #666666;
  font-size: 1.25vw;
  line-height: 1.5;
}