.page-hero h1 em { font-style: normal; color: var(--red-soft); }

.video-block { margin: 14px 0 30px; }

.block-title {
  font-size: 27px;
  font-weight: 800;
  color: var(--navy-deep);
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 4px solid var(--red);
  line-height: 1.35;
}

.video-stack { display: grid; gap: 30px; }

.video-item {
  margin: 0;
  background: var(--white);
  border: 1px solid #e3e9f4;
  border-radius: var(--radius);
  padding: 24px 26px 28px;
}

.video-item:nth-child(even) { background: #f2f6fc; }

.video-head {
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 4px solid var(--red);
}

.video-head b {
  display: block;
  font-size: 24px;
  line-height: 1.35;
  color: var(--navy-deep);
}

.video-head p {
  font-size: 17.5px;
  color: var(--muted);
  margin-top: 4px;
}

.video-frame {
  position: relative;
  display: block;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-deep);
  aspect-ratio: 16 / 9;
  box-shadow: 0 12px 30px rgba(0, 30, 68, 0.16);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.sec-media.fit-wide {
  aspect-ratio: auto;
  background: none;
  align-self: center;
  display: block;
}

.sec-media.fit-wide img {
  position: static;
  width: 100%;
  height: auto;
  border: 1px solid #e3e9f4;
  border-radius: 10px;
  background: var(--white);
}

.license-note { margin-top: 6px; }

/* 执照区：改为上下排列，文字在上、图片在下（占满整行） */
.sec.sec-stack {
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.sec.sec-stack .sec-body { order: 1; }
.sec.sec-stack .sec-media { order: 2; }
.sec.sec-stack .sec-media.fit-wide { justify-self: stretch; width: 100%; }
.sec.sec-stack .prose { max-width: 1040px; }

@media (max-width: 860px) {
  .video-stack { gap: 24px; }
  .video-item { padding: 18px 18px 22px; }
  .video-head b { font-size: 20px; }
  .video-head p { font-size: 16px; }
}