.index-video {
  background-color: rgba(0, 0, 0, 0.05);
}
.index-video::after {
  content: '';
  display: block;
  clear: both;
}

.index-video-container {
  --w: 100%;
  width: var(--w);
  /* height: calc(var(--w) * 0.5775 - 6px);
  overflow: hidden; */
  background-color: #000;
  position: relative;
  padding: 12px 100px;
}

.index-video-container > ul,
.index-video-container > div {
  background-color: transparent;
}
.index-video-container > ul {
  position: absolute;
  width: 100px;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  text-align: right;
}

.index-video-container > ul > li,
.index-video-container > ul > li.tab-item {
  margin: 0;
  background-color: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 14px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  cursor: pointer;
  border: 0;
  box-shadow: none;
  margin-bottom: 6px;
  line-height: 2;
  text-align: center;
}

.index-video-container > ul > li.tab-item.active,
.index-video-container > ul > li.tab-item:hover {
  /* background-color: rgba(0, 0, 0, 0.75); */
  background-color: rgb(0 94 163);
}

.index-video-container > ul > li.tab-item > span {
  padding: 16px;
}

.index-video-container video {
  width: 100%;
  /* height: calc(var(--w) * 0.5775 - 6px); */
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.index-video-text-container {
  color: #000;
  width: 50%;
  float: left;
}

.index-video-text-title {
  font-size: 24px;
  line-height: 1.2;
  font-weight: 600;
  color: rgb(0 94 163);
  padding: 32px 0 0 32px;
}

.index-video-text-content {
  font-size: 16px;
  line-height: 2;
  padding: 32px 15px 0 32px;
}

.index-video-container-wrapper {
  width: 50%;
  float: right;
}

/* 手机端 */
@media (max-width: 768px) {
  .index-video-text-container,
  .index-video-container-wrapper {
    float: none !important;
    width: 100% !important;
    margin-bottom: 24px;
  }

  .index-video-container {
    padding-left: 0;
    padding-right: 0;
  }
  .index-video-container > ul {
    width: 100px;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    text-align: right;
  }
  .index-video-container > ul > li,
  .index-video-container > ul > li.tab-item {
    font-size: 14px;
    line-height: 2;
  }
  .index-video-container > ul > li.tab-item > span {
    padding: 12px;
  }
}