.na-product-video-section {
  background: linear-gradient(180deg, #f7faff 0%, #eef4fb 100%);
  border-top: 1px solid #dbe6f3;
  border-bottom: 1px solid #dbe6f3;
}
.na-video-title { max-width: 760px; }
.na-video-title p {
  margin: 12px 0 0;
  color: #5f718b;
  font-size: 1rem;
  line-height: 1.75;
}
.na-video-card {
  max-width: 1040px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid #d5e1ef;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 22px 60px rgba(20, 53, 92, .12);
}
.na-video-poster,
.na-video-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #07162c;
}
.na-video-poster {
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  text-align: left;
}
.na-video-poster img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .35s ease, filter .35s ease;
}
.na-video-poster:hover img { transform: scale(1.018); filter: saturate(1.04); }
.na-video-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 18, 38, .04), rgba(4, 18, 38, .42));
}
.na-video-play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 78px;
  height: 78px;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, .28));
  transition: transform .2s ease;
}
.na-video-poster:hover .na-video-play { transform: translate(-50%, -50%) scale(1.07); }
.na-video-play svg { width: 100%; height: 100%; }
.na-video-play circle { fill: #fff; }
.na-video-play path { fill: #245fce; }
.na-video-label {
  position: absolute;
  left: 22px;
  bottom: 20px;
  padding: 9px 13px;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 999px;
  color: #fff;
  background: rgba(7, 22, 44, .68);
  backdrop-filter: blur(8px);
  font-size: .85rem;
  font-weight: 700;
}
.na-video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
}
.na-video-meta div { display: grid; gap: 5px; }
.na-video-meta strong { color: #132844; font-size: 1rem; line-height: 1.45; }
.na-video-meta span { color: #74849a; font-size: .88rem; }
.na-video-meta a {
  flex: 0 0 auto;
  color: #1f5fcf;
  font-weight: 700;
  text-decoration: none;
}
.na-video-meta a:hover { text-decoration: underline; }
@media (max-width: 720px) {
  .na-video-card { border-radius: 17px; }
  .na-video-play { width: 62px; height: 62px; }
  .na-video-label { left: 14px; bottom: 13px; font-size: .78rem; }
  .na-video-meta { align-items: flex-start; flex-direction: column; padding: 17px; gap: 12px; }
}