/* ============================================================
   Company Video v3.0 - 移动端动画增强
   ============================================================ */
.video-section {
  background: linear-gradient(180deg, var(--color-black) 0%, #0c0c14 100%);
  padding: var(--section-padding) 0;
  position: relative;
  overflow: hidden;
}

.video-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(37,99,235,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(79,70,229,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.video-section__player {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

.video-section__wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-off-black);
  overflow: hidden;
}

.video-section__video {
  width: 100%; height: 100%;
  object-fit: cover;
}

.video-section__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #060606 0%, #0c0c0c 40%, #080810 100%);
  z-index: 1;
  transition: opacity 0.5s ease;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.video-section__placeholder-icon {
  margin-bottom: 28px;
  opacity: 0.35;
  transition: all 0.5s ease;
  font-size: 4.5rem;
  color: rgba(255, 255, 255, 0.35);
  width: 88px; height: 88px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-section__placeholder:hover .video-section__placeholder-icon {
  opacity: 0.7;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

.video-section__placeholder:active .video-section__placeholder-icon {
  transform: scale(0.95);
}

.video-section__placeholder-text {
  font-size: 1.15rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.video-section__placeholder-hint {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.22);
  font-weight: 300;
}

.video-section__controls {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 28px;
  background: var(--color-off-black);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.video-section__control-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 1rem;
  -webkit-tap-highlight-color: transparent;
}

.video-section__control-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
  transform: scale(1.15);
}

.video-section__control-btn:active {
  transform: scale(0.9);
}

.video-section__control-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.28);
  margin-left: auto;
  font-weight: 300;
  letter-spacing: 0.5px;
}

.video-section__tags {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.video-section__tag {
  padding: 7px 22px;
  font-size: 0.78rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  letter-spacing: 0.4px;
  transition: all 0.35s ease;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.video-section__tag:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.video-section__tag:active {
  transform: translateY(0) scale(0.96);
}

@media (max-width: 768px) {
  .video-section { padding: var(--section-padding-mobile) 0; }
  .video-section__player { border-radius: 12px; }
  .video-section__tags { padding: 0 20px; gap: 10px; }
  .video-section__placeholder-icon { width: 64px; height: 64px; font-size: 2.8rem; }
  .video-section__placeholder-text { font-size: 1rem; }
  .video-section__controls { padding: 12px 20px; }
}

@media (max-width: 480px) {
  .video-section__placeholder-icon { width: 52px; height: 52px; font-size: 2.2rem; margin-bottom: 18px; }
  .video-section__tag { padding: 5px 16px; font-size: 0.72rem; }
}