.hero-video-section {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0a0a0a;
}

/* 视频容器 */
.hero-video-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

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

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.3;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.5;
  }
}

/* 视频遮罩层 */
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(0, 0, 0, 0.3) 0%,
      transparent 30%,
      transparent 60%,
      rgba(0, 0, 0, 0.8) 100%);
  z-index: 1;
  pointer-events: none;
}

/* 开屏标题内容 */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 900;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  text-shadow:
    0 0 30px rgba(255, 42, 42, 0.5),
    0 0 60px rgba(255, 42, 42, 0.3),
    0 10px 40px rgba(0, 0, 0, 0.8);
  margin-bottom: 20px;
  animation: titleFadeIn 1.5s ease-out;
}

.hero-subtitle {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  animation: titleFadeIn 1.5s ease-out 0.3s both;
}

@keyframes titleFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 向下滚动提示 */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: opacity 0.3s;
}

.scroll-indicator:hover {
  opacity: 0.7;
}

.scroll-indicator span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 30px;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 15px;
  position: relative;
}

.scroll-arrow::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 10px;
  background: var(--primary-02);
  border-radius: 3px;
  animation: scrollBounce 1.5s ease-in-out infinite;
  box-shadow: 0 0 10px var(--primary-02);
}

@keyframes scrollBounce {

  0%,
  100% {
    top: 8px;
    opacity: 1;
  }

  50% {
    top: 28px;
    opacity: 0.3;
  }
}

@media (max-width: 768px) {
  .hero-title {
    letter-spacing: 0.1em;
  }

  .hero-subtitle {
    letter-spacing: 0.2em;
  }

  .video-placeholder-icon {
    font-size: 3rem;
  }
}