.main {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto 0;
}
.main .banner {
  width: 100%;
  height: 100vh;
}
.main .banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main .videoSection {
  width: 100%;
  padding: 0;
  box-sizing: border-box;
  background: linear-gradient(180deg, #f3e1cd 0%, #faf2e9 40%, #ffffff 100%);
}
.main .videoSection .videoBox {
  width: 100%;
  margin: 0 auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(120, 80, 40, 0.18);
}
.main .videoSection .videoBox video {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}
.main .videoSection .videoBox .playBtn {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 84px;
  height: 84px;
  margin: -42px 0 0 -42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  z-index: 2;
}
.main .videoSection .videoBox .playBtn span {
  display: block;
  width: 0;
  height: 0;
  margin-left: 8px;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 24px solid #2b2b2b;
}
.main .videoSection .videoBox .playBtn:hover {
  transform: scale(1.08);
  background: #ffffff;
}
.main .videoSection .videoBox .playBtn.playHide {
  opacity: 0;
  pointer-events: none;
}
@media screen and (max-width: 800px) {
  .main .banner {
    width: 100%;
    height: 200vw;
  }
  .main .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .main .videoSection {
    padding: 0;
  }
  .main .videoSection .videoBox .playBtn {
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
  }
  .main .videoSection .videoBox .playBtn span {
    margin-left: 6px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 17px solid #2b2b2b;
  }
}