/* 通用布局：与 style.css 保持风格统一 */
body {
  font-family: "Noto Sans SC", "Roboto", sans-serif;
  margin: 0;
  background: #f9f9f9;
  color: #333;
}

/* 关于我们首屏覆盖 Bootstrap 默认样式 */
.hero-section {
  background: linear-gradient(to right, #007ACC, #5BB75B) !important;
  padding: 60px 20px;
}

.hero-section h1 {
  font-size: 36px;
  letter-spacing: 2px;
}

.hero-section p {
  margin-top: 8px;
  font-size: 16px;
  opacity: 0.9;
}

/* 通用内容容器 */
.section-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 50px 20px;
}

/* 标题统一样式 */
.section-container h2 {
  font-size: 26px;
  color: #007ACC;
  margin-bottom: 20px;
  text-align: center;
}

/* 简介卡片区域，沿用 .cards / .card 风格 */
.section-intro {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.section-intro .card {
  background: #ffffff;
  padding: 25px 30px;
  border-radius: 10px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
  max-width: 680px;
  line-height: 1.8;
}

/* 服务内容：列表卡片 */
.services-wrapper {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.services-card {
  background: #f3f9f9;
  padding: 25px 30px;
  border-radius: 10px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
  max-width: 520px;
}

/* 自定义圆点列表（替代普通 ul） */
.bullet-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bullet-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  line-height: 1.7;
  color: #555;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #007ACC, #5BB75B);
}

/* 优势说明卡片 */
.advantage-card {
  background: #ffffff;
  padding: 30px 32px;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.06);
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.9;
  color: #444;
}

/* 小标题/强调文字 */
.highlight-text {
  color: #5BB75B;
  font-weight: 600;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .hero-section {
    padding: 40px 16px;
  }

  .hero-section h1 {
    font-size: 28px;
  }

  .section-container {
    padding: 35px 16px;
  }

  .section-intro .card,
  .services-card,
  .advantage-card {
    padding: 20px 18px;
  }
}


/* 顶部页头，与 hero 同色系 */
.page-header {
  text-align: center;
  color: #fff;
  padding: 50px 20px;
  background: linear-gradient(to right, #007ACC, #5BB75B);
}

.page-header h1 {
  font-size: 34px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.page-header p {
  margin: 4px 0;
  font-size: 16px;
  opacity: 0.9;
}

/* 技术服务网格区域 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 25px;
}

.service-item {
  background: #ffffff;
  border-radius: 10px;
  padding: 22px 20px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.service-item h3 {
  font-size: 20px;
  color: #007ACC;
  margin-bottom: 12px;
}

/* 列表复用之前的圆点样式 */
.service-item ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.service-item ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
  line-height: 1.7;
  color: #555;
}

.service-item ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, #007ACC, #5BB75B);
}

/* 单独说明类卡片：饲养平台、生信分析 */
.info-card {
  background: #f3f9f9;
  border-radius: 10px;
  padding: 26px 24px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
  line-height: 1.8;
  color: #444;
  max-width: 900px;
  margin: 20px auto 0;
}

.info-card h3 {
  font-size: 20px;
  color: #007ACC;
  margin-bottom: 10px;
}

.info-card p {
  margin-bottom: 6px;
}

/* 响应式微调 */
@media (max-width: 768px) {
  .page-header {
    padding: 36px 16px;
  }

  .page-header h1 {
    font-size: 26px;
  }

  .info-card {
    padding: 20px 18px;
  }
}

/* 技术交流文章列表区域 */
.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 25px;
}

.article-item {
  background: #ffffff;
  border-radius: 10px;
  padding: 20px 18px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.article-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.article-item h3 {
  font-size: 18px;
  color: #007ACC;
  margin-bottom: 10px;
}

.article-item p {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 14px;
}

/* 阅读全文链接 */
.read-more {
  font-size: 14px;
  color: #5BB75B;
  text-decoration: none;
  font-weight: 500;
}

.read-more:hover {
  color: #007ACC;
  text-decoration: underline;
}

/* 通用服务卡片（带图片） */
.service-card.with-image {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
  margin-top: 20px;
}

.service-image {
  flex: 0 0 260px;
  max-width: 320px;
}

.service-image img {
  width: 100%;
  border-radius: 10px;
  object-fit: cover;
}

.service-text {
  flex: 1;
  min-width: 260px;
}

.service-text h3 {
  font-size: 20px;
  color: #007ACC;
  margin-bottom: 8px;
}

.service-text p {
  color: #555;
  line-height: 1.8;
  margin-bottom: 8px;
}

.service-text .sub-title {
  font-size: 14px;
  font-weight: 600;
  color: #5BB75B;
  margin-top: 6px;
}

/* 多卡片并排区域（神经/运动系统） */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

/* 联系信息强调 */
.contact-tip {
  margin-top: 6px;
  font-weight: 500;
  color: #333;
}

/* 响应式 */
@media (max-width: 768px) {
  .service-card.with-image {
    flex-direction: column;
  }

  .service-image {
    flex: 1 1 auto;
    max-width: 100%;
  }
}

/* 公司简介：文字左，图片右 */
.intro-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  margin-top: 20px;
}

.intro-text,
.intro-image {
  flex: 1 1 0;
  min-width: 260px;
}

.intro-text p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 10px;
}

.intro-image img {
  width: 100%;
  max-width: 420px;      /* 控制图片不要太大 */
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.08);
  display: block;
  margin-left: auto;     /* 让图片贴右一点，视觉上更平衡 */
}

/* 小屏幕下自动上下排列 */
@media (max-width: 768px) {
  .intro-row {
    flex-direction: column;
  }

  .intro-image img {
    margin: 0 auto;
  }
}

/* 产品列表栅格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 24px;
}

/* 单个产品卡片 */
.product-card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.09);
}

/* 图片区域 */
.product-image {
  width: 100%;
  height: 160px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 文本区域 */
.product-body {
  padding: 16px 18px 18px;
}

.product-body h3 {
  font-size: 18px;
  color: #007ACC;
  margin-bottom: 8px;
}

.product-body p {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 8px;
}

/* 小标签 */
.product-tag {
  font-size: 12px;
  color: #5BB75B;
  font-weight: 600;
}

/* 页头蓝色背景可复用 */
.blue-bg {
  background: linear-gradient(to right, #007ACC, #5BB75B);
  color: #fff;
}

.gradient-bg {
  background: linear-gradient(to right, #007ACC, #5BB75B);
  color: #fff;
}

.contact-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.contact-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
}

.contact-card h2 {
  font-size: 20px;
  color: #007ACC;
  margin-bottom: 12px;
}

.contact-card p {
  margin-bottom: 8px;
  color: #555;
}

.contact-card a {
  color: #007ACC;
  text-decoration: none;
}

.contact-card a:hover {
  text-decoration: underline;
}