/* ============================================
   Hero 区域 - 首页大图
   ============================================ */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFF5EB 0%, #FFE8D6 30%, #E8F8F5 70%, #F0F4FF 100%);
  overflow: hidden;
  padding: var(--space-3xl) var(--space-lg);
}

/* 背景装饰 */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  right: -80px;
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--secondary);
  bottom: -60px;
  left: -60px;
  animation: float 6s ease-in-out infinite 1s;
}

.shape-3 {
  width: 200px;
  height: 200px;
  background: var(--accent);
  top: 30%;
  left: 15%;
  animation: float 7s ease-in-out infinite 2s;
}

/* 浮动数字 */
.hero-number {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  opacity: 0.08;
  animation: float 10s ease-in-out infinite;
}

.hero-number.n1 {
  font-size: 3rem;
  top: 15%;
  right: 10%;
  animation-delay: 0s;
  color: var(--primary);
}

.hero-number.n2 {
  font-size: 2.5rem;
  bottom: 20%;
  right: 20%;
  animation-delay: 2s;
  color: var(--secondary);
}

.hero-number.n3 {
  font-size: 2rem;
  top: 25%;
  left: 8%;
  animation-delay: 4s;
  color: var(--grade-3);
}

.hero-number.n4 {
  font-size: 4rem;
  bottom: 10%;
  left: 5%;
  animation-delay: 1s;
  color: var(--grade-6);
}

/* 主内容 */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  margin-bottom: var(--space-xl);
}

.hero-title-line1 {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--text-primary);
  line-height: 1.2;
}

.hero-title-line2 {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--primary);
  margin-top: var(--space-xs);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

/* 统计数据 */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
}

.stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* 响应式 */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--space-2xl) var(--space-md);
  }

  .hero-title-line1 {
    font-size: 2.2rem;
  }

  .hero-title-line2 {
    font-size: 1.5rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-stats {
    gap: var(--space-lg);
  }

  .stat-num {
    font-size: 2rem;
  }

  .shape-1 { width: 250px; height: 250px; }
  .shape-2 { width: 180px; height: 180px; }
  .shape-3 { width: 120px; height: 120px; }
}

@media (max-width: 480px) {
  .hero-title-line1 {
    font-size: 1.8rem;
  }

  .hero-title-line2 {
    font-size: 1.2rem;
  }

  .hero-stats {
    gap: var(--space-md);
  }
}