/* 全局样式 - 与咨询设计服务页面保持一致 */
:root {
  --primary-color: #1e88e5;
  --primary-dark: #0d47a1;
  --secondary-color: #42a5f5;
  --white: #ffffff;
  --dark-gray: #333333;
  --light-gray: #f5f5f5;
  --border-radius: 12px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 分区样式 */
.section {
  max-width: 1200px;
  margin: 40px auto;
  padding: 40px 20px;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2rem;
  color: var(--primary-dark);
  position: relative;
  display: inline-block;
}

.section-header h2:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--primary-color);
}

/* 专利计数器 */
#patent-counter {
  display: flex;
  justify-content: space-around;
  text-align: center;
  padding: 2rem;
}

.counter-number {
  font-size: 3rem;
  color: var(--primary-dark);
  font-weight: bold;
  margin-bottom: 10px;
}

/* 核心认证模块 */
.certifications {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  padding: 20px;
}

.cert-item {
  text-align: center;
  padding: 20px;
  transition: transform 0.3s ease;
}

.cert-item:hover {
  transform: translateY(-5px);
}

.cert-icon {
  margin: 0 auto 20px;
  color: var(--primary-color);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(33,150,243,0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.cert-item:hover .cert-icon {
  background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
}

/* 权威认证图片展示 */
.cert-images {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.cert-image {
  flex: 1;
  min-width: 200px;
  max-width: 290px;
  text-align: center;
}

.cert-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 15px;
}

.cert-image p {
  font-size: 1rem;
  color: var(--dark-gray);
  font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .patent-counter {
    flex-direction: column;
    gap: 30px;
  }
  
  .certifications {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cert-images {
    flex-direction: column;
    align-items: center;
  }
  
  .cert-image {
    max-width: 100%;
  }
}