.inner-banner {
  position: relative;
  overflow: hidden;
}
.inner-banner .tu {
  position: relative;
  overflow: hidden;
}
.inner-banner .tu:before {
  content: '';
  display: block;
  padding-top: calc(974 / 1920 * 100%);
}
.inner-banner .tu img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
}
.inner-banner .text {
  position: absolute;
  width: 100%;
  left: 0;
  top: 45%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  color: #fff;
  text-align: center;
}
.inner-banner .text h3 {
  margin: 30px 0;
}
.ctn1 {
  position: relative;
  overflow: hidden;
}
.ctn1 .tu {
  position: relative;
  cursor: pointer;
}
.ctn1 .tu:after {
  content: '';
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 4;
}
.ctn1 .tu video {
  width: 100%;
}
.ctn1 .tu .v-btns {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .tu .v-btns svg path {
  fill: #000;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .tu .v-btns:hover {
  background: #000;
}
.ctn1 .tu .v-btns:hover svg path {
  fill: #fff;
}
.ctn1 .tu.played:after {
  display: none;
}
.ctn1 .tu.played .v-btns {
  opacity: 0;
}
@media screen and (max-width: 1440px) {
  .inner-banner .text h3 {
    margin: 20px 0;
  }
  .ctn1 .tu .v-btns {
    width: 60px;
    height: 60px;
  }
  .ctn1 .tu .v-btns svg {
    width: 16px;
    height: 16px;
  }
}
@media screen and (max-width: 1200px) {
  .inner-banner {
    margin-top: 66px;
  }
}
@media screen and (max-width: 768px) {
  .inner-banner .text {
    position: relative;
    padding: 0 4%;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    margin-top: 20px;
  }
  .inner-banner .text h3 {
    margin: 10px 0;
  }
  .ctn1 {
    margin-top: 30px;
  }
  .ctn1 .tu .v-btns {
    width: 50px;
    height: 50px;
  }
}