/* 产品页面专用样式 */

/* 产品页面头部 */
.product-header {
  margin-top: 80px;
  padding: 100px 0;
  background-color: #007bff;
  color: white;
  text-align: center;
}

.product-header h1 {
  font-size: 42px;
  margin-bottom: 20px;
}

.product-intro {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 产品部分通用样式 */
.product-section {
  padding: 80px 0;
}

.product-section h2 {
  margin-bottom: 40px;
}

.bg-light {
  background-color: #f8f9fa;
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  font-size: 18px;
  line-height: 1.8;
}

/* 产品内容布局 */
.product-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.product-content.reverse {
  grid-template-columns: 1fr 1fr;
  direction: rtl;
}

.product-content.reverse > * {
  direction: ltr;
}

.product-text {
  font-size: 16px;
  line-height: 1.8;
}

.product-text p {
  margin-bottom: 20px;
}

.product-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 特性列表 */
.feature-list {
  margin: 20px 0;
  padding-left: 20px;
}

.feature-list li {
  margin-bottom: 15px;
  position: relative;
  padding-left: 10px;
}

.feature-list li strong {
  color: #007bff;
}

/* 客户信任部分 */
.trust-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.trust-item {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.trust-item h3 {
  color: #007bff;
  margin-bottom: 15px;
}

/* 资质展示 */
.qualification-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.qualification-item {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.qualification-item .year {
  font-size: 24px;
  font-weight: bold;
  color: #007bff;
  margin-bottom: 15px;
}

/* 产品介绍部分 */
.products-intro {
  padding: 80px 0;
  background-color: #fff;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.product-intro-item {
  background-color: #f8f9fa;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

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

.product-intro-item h3 {
  color: #007bff;
  margin-bottom: 15px;
  font-size: 20px;
}

.product-intro-item p {
  font-size: 16px;
  line-height: 1.6;
}

/* 更多链接按钮 */
.more-link {
  text-align: center;
  margin-top: 30px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 500;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #0056b3;
}

/* 导航激活状态 */
.main-nav a.active {
  color: #007bff;
  font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .product-header {
    padding: 60px 0;
  }

  .product-header h1 {
    font-size: 32px;
  }

  .product-content,
  .product-content.reverse {
    grid-template-columns: 1fr;
    gap: 30px;
    direction: ltr;
  }

  .product-image {
    order: -1;
  }

  .product-content.reverse .product-image {
    order: -1;
  }
}