@keyframes jump {
  0% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(0);
  }
  80% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0);
  }
}

.video .banner {
  position: sticky;
  top: 0;
  z-index: 6;
  width: 100%;
  height: 140px;
  margin-bottom: 15px;
  background: url("../images/video-banner.png") no-repeat center;
  background-size: cover;
  color: #fff;
  font-size: 14px;
  padding-left: 270px;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.video .banner .t1 {
  font-weight: 500;
  font-size: 25px;
  padding-top: 10px;
}
.video .banner .t2 {
  font-size: 14px;
}
.video .banner .t3 {
  color: rgba(255, 255, 255, 0.8);
}
.video .box {
  display: flex;
  align-items: flex-start;
  padding-bottom: 30px;
}
.video .box .left {
  position: sticky;
  top: 155px;
  width: 180px;
  display: flex;
  flex-direction: column;
}
.video .box .left .title {
  font-size: 30px;
  font-weight: bold;
  color: #333;
  padding: 20px 0;
}
.video .box .left .tab {
  width: 110px;
  font-size: 20px;
  color: #333;
  padding: 10px 0;
  cursor: pointer;
  transition: all 0.2s ease;
}
.video .box .left .tab:hover {
  color: #1a4299;
}
.video .box .left .tab.active {
  width: 140px;
  font-size: 26px;
  color: #1a4299;
}
.video .box .right {
  width: 1020px;
  box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  min-height: 448px;
  box-sizing: border-box;
  padding: 28px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px 47px;
}
.video .box .right .video-item {
  width: 290px;
  height: 380px;
  border-radius: 20px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.video .box .right .video-item:hover .play {
  animation: jump 0.5s;
}
.video .box .right .video-item:hover .mask {
  opacity: 1;
}
.video .box .right .video-item .img {
  width: 100%;
  height: 100%;
}
.video .box .right .video-item .play {
  position: absolute;
  bottom: 22px;
  left: 22px;
  z-index: 2;
  width: 36px;
  height: 36px;
  background: url('../images/play.png') no-repeat center;
}
.video .box .right .video-item .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.video .video-pop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}
.video .video-pop.show {
  display: flex;
}
.video .video-pop .video-content {
  width: 420px;
  height: 88%;
  max-height: calc(420px / (9 / 16));
  padding: 10px;
  border-radius: 10px;
  background-color: #fff;
  position: relative;
}
.video .video-pop .video-content .close {
  cursor: pointer;
  width: 34px;
  height: 34px;
  position: absolute;
  right: -40px;
  top: -20px;
}
.video .video-pop .video-content .player {
  width: 100%;
  height: 100%;
  background-color: #000;
}