.video-switch {
  height: 48px;
  width: 900px;
  background: #333333;
  display: flex;
  align-items: center;
  margin-top: 20px;
}

.video-switch-tab {
  height: 48px;
  margin: 0 auto;
  transition: transform 0.3s;
  position: relative;
}

.video-switch-tab-line {
  position: absolute;
  width: 88px;
  top: 0;
  left: 0;
  height: 3px;
  background-color: #e72528;
  z-index: 1;
  transition: 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.video-switch-tab-btn {
  font-size: 12px;
  font-weight: 801;
  float: left;
  font-family: "MicrosoftYaHei-Bold";
  line-height: 48px;
  color: #fff;
  opacity: 0.6;
  width: 88px;
  box-sizing: content-box;
  text-align: center;
}

#playWnd {
  background: #333333;
}

.left {
  width: 450px;
  float: left;
  margin: 50px;
}

.right {
  float: left;
  margin: 50px;
}

.tab-active {
  opacity: 1;
}

.input-group {
  /* width: 550px; */
  height: 200px;
}

body {
  position: relative;
}

.tips {
  position: fixed;
  left: 0;
  z-index: 100;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity .5s;
}

.fade-enter,
.fade-leave-to

/* .fade-leave-active below version 2.1.8 */
  {
  opacity: 0;
}