/* Hero区域 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

/* 粒子画布 */
#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Hero背景渐变叠加层 */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg-primary) 75%);
  z-index: 1;
}

/* Hero内容 */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--neon-cyan);
  letter-spacing: 2px;
  margin-bottom: 32px;
  animation: fadeInDown 1s ease;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-cyan);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 10px;
  letter-spacing: -0.03em;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00f0ff 0%, #4d7cff 40%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-en {
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
  font-weight: 400;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: rgba(0, 240, 255, 0.35);
  margin-bottom: 28px;
  animation: fadeInUp 1s ease 0.3s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto 40px;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  animation: fadeInUp 1s ease 0.5s both;
}

.hero-actions .btn-neon {
  padding: 16px 40px;
  font-size: 1rem;
}

/* 视频播放按钮 */
.video-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.video-play-btn .play-icon {
  width: 32px;
  height: 32px;
  border: 2px solid var(--neon-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.video-play-btn .play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 0 5px 9px;
  border-color: transparent transparent transparent var(--neon-cyan);
  margin-left: 2px;
}

.video-play-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.video-play-btn:hover .play-icon {
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

/* Hero底部数据指标 */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  margin-top: 80px;
  animation: fadeInUp 1s ease 0.7s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 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: 8px;
  animation: fadeInUp 1s ease 0.8s both;
}

.scroll-indicator span {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--neon-cyan), transparent);
  animation: scrollPulse 2s ease infinite;
}

/* 动画关键帧 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* 视频弹窗 */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.video-modal.active {
  display: flex;
}

.video-modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.video-modal-close:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.video-modal video {
  max-width: 90%;
  max-height: 80vh;
  border-radius: var(--radius-md);
  box-shadow: 0 0 60px rgba(0, 240, 255, 0.15);
}

/* 响应式 */
@media (max-width: 768px) {
  .hero {
    padding-top: 80px;
    min-height: 100vh;
  }
  
  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  
  .hero-title-en {
    font-size: 0.75rem;
    letter-spacing: 3px;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 16px;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 60px;
  }
  
  .stat-item {
    min-width: 120px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-badge {
    font-size: 0.7rem;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
  }
}