/* 首页专属样式 */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 100px 0 80px;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-section h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-section p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.hero-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: white;
  color: #667eea;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.hero-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  color: #764ba2;
}

/* 服务卡片区域 */
.services-section {
  padding: 80px 0;
  background: #f8fafc;
}

.services-section .section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.services-section .section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 1rem;
}

.services-section .section-title p {
  color: #6b7280;
  font-size: 1.125rem;
}

.service-card {
  background: white;
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  margin-bottom: 2rem;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 1rem;
}

.service-card h3 a {
  color: #1f2937;
  text-decoration: none;
}

.service-card h3 a:hover {
  color: #667eea;
}

.service-card p {
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-link {
  display: inline-block;
  color: #667eea;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.service-link:hover {
  color: #764ba2;
}

/* 数据统计区域 */
.stats-section {
  padding: 60px 0;
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
  color: white;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: #9ca3af;
}

/* 关于我们区域 */
.about-section {
  padding: 80px 0;
  background: white;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.about-text {
  flex: 1;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: #6b7280;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-features {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-item {
  background: #f8fafc;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

.feature-item i {
  font-size: 2rem;
  color: #667eea;
  margin-bottom: 1rem;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.feature-item p {
  font-size: 0.875rem;
  color: #6b7280;
  margin: 0;
}

/* CTA区域 */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  text-align: center;
  color: white;
}

.cta-section h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.cta-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: white;
  color: #667eea;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  color: #764ba2;
}

/* 响应式 */
@media (max-width: 991px) {
  .hero-section h1 {
    font-size: 2.25rem;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-features {
    width: 100%;
  }
}

@media (max-width: 767px) {
  .hero-section {
    padding: 60px 0 50px;
  }
  
  .hero-section h1 {
    font-size: 1.75rem;
  }
  
  .hero-section p {
    font-size: 1rem;
  }
  
  .services-section {
    padding: 50px 0;
  }
  
  .services-section .section-title h2 {
    font-size: 1.75rem;
  }
  
  .stat-number {
    font-size: 2.25rem;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .cta-section h2 {
    font-size: 1.75rem;
  }
}