.bg-black {
  background: #000000;
}

.video-box .row {
  margin-right: -6px;
  margin-left: -6px;
}
.video-box div[class^=col-] {
  padding-left: 6px;
  padding-right: 6px;
}
.video-box .vmb-6 {
  margin-bottom: 6px;
}
.video-box .vmb-4 {
  margin-bottom: 4px;
}
.video-box .vmb-16 {
  margin-bottom: 16px;
}
.video-box .title {
  justify-content: space-between;
  display: flex;
  margin-top: 46px;
}
.video-box .title h4 {
  font-size: 30px;
}
.video-box .title a {
  padding-top: 14px;
  color: #4c4c4c;
}
.video-box .video-top-banner {
  position: relative;
}
.video-box .video-top-banner #video-banner {
  height: 455px;
}
.video-box .video-top-banner #video-banner .swiper-slide {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.video-box .video-top-banner #video-banner .swiper-slide a{
  display: block;
  width: 100%;
  height: 100%;
}
.video-box .video-top-banner .video-banner-list {
  position: absolute;
  right: 0;
  top: 0;
  z-index: 9;
  background: rgba(0, 0, 0, 0.85);
  height: 100%;
}
.video-box .video-top-banner .video-banner-list .video-search {
  overflow: hidden;
}
.video-box .video-top-banner .video-banner-list .video-search .search-input {
  float: left;
  width: 73%;
  border: none;
  font-size: 16px;
  color: #FFFFFF;
  background: #848484;
  padding: 10px;
}
.video-box .video-top-banner .video-banner-list .video-search .search-input::placeholder {
  color: #FFFFFF;
}
.video-box .video-top-banner .video-banner-list .video-search .search-input:focus {
  outline: none;
}
.video-box .video-top-banner .video-banner-list .video-search .video-button {
  float: left;
  width: 27%;
  border: none;
  font-size: 16px;
  color: #FFFFFF;
  background: #00b1ec;
  padding: 10px 0;
}
.video-box .video-top-banner .video-banner-list .video-look {
  color: #FFFFFF;
  padding-left: 15px;
}
.video-box .video-top-banner .video-banner-list .video-look h3 {
  font-size: 24px;
  border-bottom: 1px solid #888888;
  padding: 10px 0;
}
.video-box .video-top-banner .video-banner-list .video-look h3 i {
  font-size: 20px;
  margin: 0 5px;
}
.video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs {
  padding-left: 30px;
}
.video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs li {
  font-weight: lighter;
  margin-bottom: 15px;
}
.video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .active {
  color: #00b1ec;
}
.video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .hot {
  position: relative;
}
.video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .hot:before {
  content: "";
  width: 10px;
  height: 13px;
  background: url(../img/video/hot.png) no-repeat center;
  background-size: 100%;
  position: absolute;
  top: 50%;
  left: -15px;
  transform: translateY(-50%);
}
.video-box .video-container .video-item {
  position: relative;
  border-radius: 5px;
  overflow: hidden;
}
.video-box .video-container .video-item img {
  width: 100%;
}
.video-box .video-container .video-item p {
  background: rgba(0, 0, 0, 0.7);
  color: #FFFFFF;
  margin-bottom: 0;
  font-size: 14px;
  padding: 8px 15px;
  position: absolute;
  bottom: 0;
  width: 100%;
}
.video-box .v-follow {
  background: #f7f7f7;
  padding: 60px 0;
  margin-top: 70px;
}
.video-box .v-follow .v-wechat ul, .video-box .v-follow .v-dy ul {
  display: flex;
  justify-content: center;
}
.video-box .v-follow .v-wechat ul li, .video-box .v-follow .v-dy ul li {
  overflow: hidden;
  padding: 0 3px;
}
.video-box .v-follow .v-wechat ul li img, .video-box .v-follow .v-dy ul li img {
  border-radius: 5px;
}
.video-box .v-follow .v-dy {
  margin-top: 30px;
}
.video-box .v-nav {
  background: #00b1ec;
}
.video-box .v-nav p {
  color: #FFFFFF;
  margin-bottom: 0;
  padding: 20px 0;
  font-size: 20px;
  text-align: center;
}
.video-box .vbclass-name {
  border-bottom: 1px solid #4b4b4b;
}
.video-box .vbclass-name h2 {
  font-size: 30px;
  text-align: center;
  padding: 20px 0;
  margin-bottom: 0;
}
.video-box .vclass-name {
  padding: 50px 0;
}
.video-box .vclass-name h1 {
  color: #00b1ec;
  font-size: 30px;
  text-align: center;
  margin-bottom: 0;
}
.video-box .video-class-title {
  padding: 50px 0 127px 0;
}
.video-box .video-class-title ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.video-box .video-class-title ul li a {
  font-size: 18px;
  color: #4b4b4b;
  background: #EEEEEE;
  margin: 6px;
  padding: 10px 20px;
}
.video-box .video-class-title ul li a:hover {
  color: #FFFFFF;
  background: #00b1ec;
}
.video-box .video-class-title ul li.active a {
  color: #FFFFFF;
  background: #00b1ec;
}
.video-box .video-list-pagination {
  font-size: 0;
  margin-top: 36px;
}
.video-box .video-list-pagination .pagination {
  flex-wrap: wrap;
}
.video-box .video-list-pagination a {
  font-size: 16px;
  line-height: 0;
  padding: 18px 20px;
  background: #EEEEEE;
  color: #4b4b4b;
  margin: 6px;
}
.video-box .video-list-pagination a b {
  padding: 0;
  background: none;
  color: inherit;
}
.video-box .video-list-pagination a:hover {
  background: #00b1ec;
  color: #FFFFFF;
}
.video-box .video-list-pagination b,.video-box .video-list-pagination span {
  font-size: 16px;
  line-height: 0;
  padding: 18px 20px;
  background: #00b1ec;
  color: #FFFFFF;
  margin: 6px 0;
}
.video-box .player {
  display: flex;
  flex-wrap: wrap;
}
.video-box .player .col-70 {
  flex: 0 0 70%;
  max-width: 70%;
}
.video-box .player .col-30 {
  flex: 0 0 30%;
  max-width: 30%;
}
.video-box .player .player-box .player-video-box {
  border-radius: 5px;
  overflow: hidden;
}

.video-box .player .player-box .player-video-title {
  padding: 30px 0;
}
.video-box .player .player-box .player-video-title h1 {
  font-size: 24px;
  color: #FFFFFF;
  line-height: 26px;
}
.video-box .player .player-video-related {
  border-radius: 5px;
  overflow: hidden;
}
.video-box .player .player-video-related .related-title {
  color: #FFFFFF;
  background: #797979;
  padding: 16px 36px;
}
.video-box .player .player-video-related .related-title h4 {
  font-size: 24px;
  line-height: 24px;
  margin-bottom: 0;
}
.video-box .player .player-video-related .related-title i {
  font-size: 20px;
  line-height: 24px;
}
.video-box .player .related-list {
  padding: 10px 25px;
  background: #202020;
}
.video-box .player .related-list .related-list-vid {
  padding: 20px 0;
  border-bottom: 1px solid #FFFFFF;
}
.video-box .player .related-list .related-list-vid:last-child {
  border: none;
}
.video-box .player .related-list .related-list-vid p {
  color: #FFFFFF;
  font-size: 14px;
  margin-bottom: 0;
}
.video-box .player .related-list .related-list-vid img {
  border-radius: 5px;
}

@media (min-width: 1200px) {
  .video-box .container, .video-box .container-lg, .video-box .container-md, .video-box .container-sm, .video-box .container-xl {
    max-width: 1530px;
  }
}
@media (max-width: 1199.98px) {
  .video-box .title {
    margin-top: 41.4px;
  }
  .video-box .title h4 {
    font-size: 27px;
  }
  .video-box .title a {
    padding-top: 14px;
  }
  .video-box .video-top-banner #video-banner {
    height: 409.5px;
  }
  .video-box .video-top-banner .video-banner-list .video-search .search-input {
    font-size: 14px;
  }
  .video-box .video-top-banner .video-banner-list .video-search .video-button {
    font-size: 14px;
  }
  .video-box .video-top-banner .video-banner-list .video-look {
    color: #FFFFFF;
    padding-left: 13.5px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 {
    font-size: 21.6px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 i {
    font-size: 18px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs {
    padding-left: 27px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs li {
    margin-bottom: 13.5px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .hot:before {
    width: 9px;
    height: 11.7px;
    left: -13.5px;
  }
  .video-box .video-container .video-item p {
    font-size: 12.6px;
    padding: 8px 13.5px;
  }
  .video-box .v-follow {
    padding: 54px 0;
    margin-top: 63px;
  }
  .video-box .v-follow .v-dy {
    margin-top: 27px;
  }
  .video-box .v-nav p {
    padding: 18px 0;
    font-size: 18px;
  }
  .video-box .vbclass-name h2 {
    font-size: 27px;
    padding: 18px 0;
  }
  .video-box .vclass-name {
    padding: 45px 0;
  }
  .video-box .vclass-name h1 {
    font-size: 27px;
  }
  .video-box .video-class-title {
    padding: 45px 0 114.3px 0;
  }
  .video-box .video-class-title ul li a {
    font-size: 16.2px;
    padding: 9px 18px;
  }
  .video-box .video-list-pagination {
    margin-top: 32.4px;
  }
  .video-box .video-list-pagination a, .video-box .video-list-pagination b {
    font-size: 14.4px;
    padding: 18px 20px;
  }
  .video-box .player .col-70 {
    flex: 0 0 70%;
    max-width: 70%;
  }
  .video-box .player .col-30 {
    flex: 0 0 30%;
    max-width: 30%;
  }

  .video-box .player .player-box .player-video-title {
    padding: 27px 0;
  }
  .video-box .player .player-box .player-video-title h1 {
    font-size: 21.6px;
    line-height: 23.4px;
  }
  .video-box .player .player-video-related .related-title {
    padding: 14.4px 32.4px;
  }
  .video-box .player .player-video-related .related-title h4 {
    font-size: 21.6px;
    line-height: 21.6px;
  }
  .video-box .player .player-video-related .related-title i {
    font-size: 18px;
    line-height: 21.6px;
  }
  .video-box .player .related-list {
    padding: 9px 22.5px;
  }
  .video-box .player .related-list .related-list-vid {
    padding: 18px 0;
  }
  .video-box .player .related-list .related-list-vid p {
    font-size: 12.6px;
  }
}
@media (max-width: 991.98px) {
  .video-box .title {
    margin-top: 36.8px;
  }
  .video-box .title h4 {
    font-size: 24px;
  }
  .video-box .title a {
    padding-top: 12px;
  }
  .video-box .video-top-banner #video-banner {
    height: 364px;
  }
  .video-box .video-top-banner .video-banner-list .video-search .search-input {
    font-size: 12px;
  }
  .video-box .video-top-banner .video-banner-list .video-search .video-button {
    font-size: 12px;
  }
  .video-box .video-top-banner .video-banner-list .video-look {
    color: #FFFFFF;
    padding-left: 12px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 {
    font-size: 19.2px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 i {
    font-size: 16px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs {
    padding-left: 24px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs li {
    margin-bottom: 12px;
    font-size: 14px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .hot:before {
    width: 8px;
    height: 10.4px;
    left: -12px;
  }
  .video-box .video-container .video-item p {
    font-size: 11.2px;
    padding: 8px 12px;
  }
  .video-box .v-follow {
    padding: 48px 0;
    margin-top: 56px;
  }
  .video-box .v-follow .v-dy {
    margin-top: 24px;
  }
  .video-box .v-follow .v-wechat ul {
    flex-wrap: wrap;
  }
  .video-box .v-follow .v-wechat ul li {
    max-width: 168.8px;
    margin-bottom: 6px;
  }
  .video-box .v-nav p {
    padding: 16px 0;
    font-size: 16px;
  }
  .video-box .vbclass-name h2 {
    font-size: 24px;
    padding: 16px 0;
  }
  .video-box .vclass-name {
    padding: 40px 0;
  }
  .video-box .vclass-name h1 {
    font-size: 24px;
  }
  .video-box .video-class-title {
    padding: 40px 0 101.6px 0;
  }
  .video-box .video-class-title ul li a {
    font-size: 14.4px;
    padding: 8px 16px;
  }
  .video-box .video-list-pagination {
    margin-top: 28.8px;
  }
  .video-box .video-list-pagination a, .video-box .video-list-pagination b {
    font-size: 12.8px;
    padding: 18px 20px;
  }
  .video-box .player .col-70 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .video-box .player .col-30 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .video-box .player .player-box .player-video-title {
    padding: 24px 0;
  }
  .video-box .player .player-box .player-video-title h1 {
    font-size: 19.2px;
    line-height: 20.8px;
  }
  .video-box .player .player-video-related .related-title {
    padding: 12.8px 28.8px;
  }
  .video-box .player .player-video-related .related-title h4 {
    font-size: 19.2px;
    line-height: 19.2px;
  }
  .video-box .player .player-video-related .related-title i {
    font-size: 16px;
    line-height: 19.2px;
  }
  .video-box .player .related-list {
    padding: 8px 20px;
  }
  .video-box .player .related-list .related-list-vid {
    padding: 16px 0;
  }
  .video-box .player .related-list .related-list-vid:last-child {
    border-bottom: 1px solid #FFFFFF;
  }
  .video-box .player .related-list .related-list-vid p {
    font-size: 12px;
  }
}
@media (max-width: 767.98px) {
  .video-box .title {
    margin-top: 32.2px;
  }
  .video-box .title h4 {
    font-size: 21px;
  }
  .video-box .video-top-banner #video-banner {
    height: 318.5px;
  }
  .video-box .video-top-banner .video-banner-list .video-look {
    color: #FFFFFF;
    padding-left: 10.5px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 {
    font-size: 16.8px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 i {
    font-size: 14px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs {
    padding-left: 21px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs li {
    margin-bottom: 10.5px;
    font-size: 14px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .hot:before {
    width: 7px;
    height: 9.1px;
    left: -10.5px;
  }
  .video-box .v-follow {
    padding: 42px 0;
    margin-top: 49px;
  }
  .video-box .v-follow .v-dy {
    margin-top: 21px;
  }
  .video-box .v-follow .v-wechat ul li {
    max-width: 126.6px;
  }
  .video-box .v-nav p {
    padding: 14px 0;
    font-size: 14px;
  }
  .video-box .vbclass-name h2 {
    font-size: 21px;
    padding: 14px 0;
  }
  .video-box .vclass-name {
    padding: 35px 0;
  }
  .video-box .vclass-name h1 {
    font-size: 21px;
  }
  .video-box .video-class-title {
    padding: 35px 0 88.9px 0;
  }
  .video-box .video-class-title ul li a {
    font-size: 12.6px;
    padding: 7px 14px;
  }
  .video-box .video-list-pagination {
    margin-top: 28.8px;
  }
  .video-box .video-list-pagination a, .video-box .video-list-pagination b {
    font-size: 12.8px;
    padding: 18px 12px;
  }

  .video-box .player .player-box .player-video-title {
    padding: 21px 0;
  }
  .video-box .player .player-box .player-video-title h1 {
    font-size: 16.8px;
    line-height: 18.2px;
  }
  .video-box .player .player-video-related .related-title {
    padding: 11.2px 25.2px;
  }
  .video-box .player .player-video-related .related-title h4 {
    font-size: 16.8px;
    line-height: 16.8px;
  }
  .video-box .player .player-video-related .related-title i {
    font-size: 14px;
    line-height: 16.8px;
  }
  .video-box .player .related-list {
    padding: 7px 17.5px;
  }
  .video-box .player .related-list .related-list-vid {
    padding: 14px 0;
  }
  .video-box .player .related-list .related-list-vid:last-child {
    border-bottom: 1px solid #FFFFFF;
  }
  .video-box .player .related-list .related-list-vid p {
    font-size: 12px;
  }
}
@media (max-width: 575.98px) {
  .video-box .title {
    margin-top: 27.6px;
  }
  .video-box .title h4 {
    font-size: 18px;
  }
  .video-box .video-top-banner #video-banner {
    height: 273px;
  }
  .video-box .video-top-banner .video-banner-list .video-search {
    max-width: 164px;
  }
  .video-box .video-top-banner .video-banner-list .video-look {
    color: #FFFFFF;
    padding-left: 9px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 {
    font-size: 14.4px;
  }
  .video-box .video-top-banner .video-banner-list .video-look h3 i {
    font-size: 12px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs {
    padding-left: 18px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs li {
    margin-bottom: 9px;
    font-size: 12px;
  }
  .video-box .video-top-banner .video-banner-list .video-look .video-banner-tabs .hot:before {
    width: 6px;
    height: 7.8px;
    left: -9px;
  }
  .video-box .v-follow {
    padding: 36px 0;
    margin-top: 42px;
  }
  .video-box .v-follow .v-dy {
    margin-top: 18px;
  }
  .video-box .v-follow .v-wechat ul li {
    max-width: 105.5px;
  }
  .video-box .v-nav p {
    padding: 12px 0;
    font-size: 12px;
  }
  .video-box .vbclass-name h2 {
    font-size: 18px;
    padding: 12px 0;
  }
  .video-box .vclass-name {
    padding: 30px 0;
  }
  .video-box .vclass-name h1 {
    font-size: 18px;
  }
  .video-box .video-class-title {
    padding: 30px 0 76.2px 0;
  }
  .video-box .video-class-title ul li a {
    font-size: 10.8px;
    padding: 6px 12px;
  }
  .video-box .video-list-pagination {
    margin-top: 25.2px;
  }
  .video-box .video-list-pagination a, .video-box .video-list-pagination b {
    font-size: 6.4px;
  }

  .video-box .player .player-box .player-video-title {
    padding: 18px 0;
  }
  .video-box .player .player-video-related .related-title {
    padding: 9.6px 21.6px;
  }
  .video-box .player .player-video-related .related-title h4 {
    font-size: 14.4px;
    line-height: 14.4px;
  }
  .video-box .player .player-video-related .related-title i {
    font-size: 12px;
    line-height: 14.4px;
  }
}