/* 继承咨询设计服务页面的全局样式 */
:root {
  --primary-color: #1e88e5;
  --primary-dark: #0d47a1;
  --secondary-color: #42a5f5;
  --light-blue: #e3f2fd;
  --white: #ffffff;
  --dark-gray: #333333;
  --light-gray: #f5f5f5;
  --border-radius: 12px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 新增介绍文字样式 */
.intro-text {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--dark-gray);
}

/* 客户案例 */
.case-section {
  padding: 80px 0;
  background: var(--light-blue);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.case-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 250px;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease;
}

.case-card:hover {
  transform: translateY(-10px);
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover img {
  transform: scale(1.1);
}

.case-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(30,136,229,0.9), transparent);
  color: var(--white);
  padding: 20px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.case-card:hover .case-overlay {
  transform: translateY(0);
}

.case-overlay h4 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.case-overlay p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* 产品卡片 */
.products-section {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.card {
  background: var(--white);
  border-radius: var(--border-radius);
  width: calc(33.333% - 30px);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover img {
  transform: scale(1.05);
}

.card-content {
  padding: 20px;
}

.card-content h3 {
  font-size: 1.3rem;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.card-content p {
  font-size: 0.95rem;
  color: var(--dark-gray);
  line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .card {
    width: calc(50% - 30px);
  }
}

@media (max-width: 768px) {
  .card {
    width: 100%;
    max-width: 400px;
  }
  
  .case-grid {
    grid-template-columns: 1fr;
  }
}


/* 介绍文字样式 */
.intro-text {
  padding: 20px 0;
  background-color: #f8fafc;
  margin-top: 20px;
}

.intro-text .container {
  max-width: 2000px;
  margin: 0 auto;
  padding: 0 30px;
}

/* 段落样式 */
.lead-paragraph {
  font-size: 1.1rem;
  font-weight: 500;
  color: #333;
  line-height: 1.8;
}

.content-paragraph, .application-paragraph {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #555;
}

/* 关键词高亮 */
.highlight {
  font-weight: 700;
  color: #0a58ca;
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: #0a58ca;
}

.keyword {
  font-weight: 600;
  color: #0a58ca;
}

/* 特性和行业标签 */
.feature {
  font-weight: 600;
  color: #212529;
  background-color: rgba(10, 88, 202, 0.1);
  padding: 0 4px;
  border-radius: 3px;
}

.industry {
  font-weight: 600;
  color: #055160;
  background-color: rgba(5, 81, 96, 0.1);
  padding: 0 4px;
  border-radius: 3px;
}

.result {
  font-weight: 600;
  color: #842029;
  background-color: rgba(132, 32, 41, 0.1);
  padding: 0 4px;
  border-radius: 3px;
}