.home_video_box {
  padding: 5rem 1.2rem;
}
.home_video_box .video {
  aspect-ratio: 1514/869;
  margin: 0 auto;
  max-width: 1514px;
  overflow: hidden;
  border-radius: 2rem;
  position: relative;
}
.home_video_box .video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.home_video_box .video .btn_play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: block;
  cursor: pointer;
  width: 142px;
  height: 142px;
  background: url(../img/play.svg) no-repeat center / contain;
  transition: all 0.4s;
}
.home_video_box .video .btn_play:hover {
  transform: translate(-50%, -50%) scale(1.1);
}
.home_video_box .video .text {
  width: 26.68428%;
  padding-bottom: 14.2%;
  background: url(../img/play-tip.svg) no-repeat center / contain;
  position: absolute;
  left: 17.305%;
  top: 22.44%;
  transition: all 1s;
}
.home_product {
  padding: 82px 0 148px;
}
.home_product .head .nav {
  margin-top: 30px;
}
.home_product .main {
  margin-top: 52px;
}
.home_product .main ul {
  display: grid;
  gap: 78px 2.05%;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 118px;
}

.home_how .main ul li:hover .intro i::after {
  animation-name: bit;
  animation-duration: 1s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
@keyframes bit {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}