.product-video-section {
  padding: 60px 0;
  background: #fff;
}

.video-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.video-item {
  text-align: center;
  background: #F5F6F7;
  padding: 20px 20px 24px;
  border-radius: 12px;
}

.video-cover {
  position: relative;
  width: 100%;
  overflow: hidden;
  cursor: pointer;
  background: #000;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  margin-bottom: 19px;
}

.video-cover img {
  display: block;
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: all 0.4s ease;
}

.video-cover:hover img {
  transform: scale(1.05);
  opacity: 0.85;
}

.play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 58px;
  height: 58px;
  margin-left: -29px;
  margin-top: -29px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
}

.play-btn::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 17px;
  width: 0;
  height: 0;
  border-left: 18px solid #333;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}

.video-title {
  font-size: 14px;
  text-align: left;
  color: #323232;
}

.video-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.video-modal-mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
}

.video-modal-content {
  position: relative;
  z-index: 2;
  width: 80%;
  max-width: 1000px;
  background: #000;
}

.video-modal-content video {
  display: block;
  width: 100%;
  max-height: 80vh;
}

.video-modal-close {
  position: absolute;
  right: -40px;
  top: -40px;
  font-size: 36px;
  color: #fff;
  cursor: pointer;
  line-height: 1;
}

@media (max-width: 1599px) {
  .video-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .video-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .video-cover img {
    height: 180px;
  }

  .video-modal-content {
    width: 92%;
  }

  .video-modal-close {
    right: 0;
    top: -45px;
  }
}

@media (max-width: 480px) {
  .video-list {
    grid-template-columns: repeat(1, 1fr);
  }
}