/* CSS变量定义 */
:root {
  --primary-color: #0066b2;
  --secondary-color: #f8f9fa;
  --text-color: #333;
  --text-light: #666;
  --border-color: #eee;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-hover: 0 5px 15px rgba(0,0,0,0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", sans-serif;
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部样式 */
.header {
  background: #fff;
  box-shadow: var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo img {
  height: 50px;
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
}

.nav a:hover, .nav a.active {
  color: var(--primary-color);
}

.menu-btn {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

/* 页面标题区 */
.page-title {
  background: var(--secondary-color);
  padding: 40px 0;
  margin-bottom: 40px;
}

.page-title h1 {
  font-size: 2rem;
  color: var(--text-color);
  text-align: center;
}

/* 核心摘要区 */
.core-summary {
  padding: 3rem 2rem;
  background: var(--secondary-color);
  margin: 1rem auto;
  max-width: 1200px;
  border-radius: var(--border-radius);
}

.core-summary h1 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.core-summary p {
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* CTA区域 */
.cta-section {
  background: var(--primary-color);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  margin: 2rem 0;
}

.cta-section h2 {
  margin-bottom: 1.5rem;
  font-size: 1.6rem;
}

.contact-cta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-method {
  background: white;
  color: var(--text-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  min-width: 250px;
}

.contact-method h3 {
  color: var(--primary-color);
  margin-bottom: 0.8rem;
}

.contact-method a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

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

/* FAQ区域 */
.faq-section {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.faq-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 6px;
}

.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  color: var(--primary-color);
}

/* 内容区样式 */
.content-section {
  padding: 20px 0 50px;
}

/* 关于我们页面 - 侧边栏样式 */
.section-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
}

.sidebar {
  background: var(--secondary-color);
  padding: 20px;
  border-radius: var(--border-radius);
}

.sidebar-title {
  font-size: 1.2rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu li {
  margin-bottom: 10px;
}

.sidebar-menu a {
  display: block;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--text-color);
  border-radius: 4px;
  transition: var(--transition);
}

.sidebar-menu a:hover, .sidebar-menu a.active {
  background: var(--primary-color);
  color: #fff;
}

.main-content h2 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--primary-color);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.main-content p {
  margin-bottom: 15px;
}

/* 信息卡片样式 */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.info-card {
  background: var(--secondary-color);
  padding: 20px;
  border-radius: var(--border-radius);
}

.info-card h3 {
  margin-bottom: 15px;
  color: var(--text-color);
}

/* 团队成员样式 */
.team-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.team-member {
  text-align: center;
}

.team-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: #eee;
  margin: 0 auto 15px;
  overflow: hidden;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name {
  font-weight: bold;
  margin-bottom: 5px;
}

.team-role {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

/* 产品中心页面样式 */
.product-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 18px;
  background: #f1f1f1;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active {
  background: var(--primary-color);
  color: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.product-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  height: 200px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.product-info {
  padding: 20px;
}

.product-category {
  display: inline-block;
  padding: 3px 10px;
  background: #f0f7ff;
  color: var(--primary-color);
  font-size: 0.8rem;
  border-radius: 4px;
  margin-bottom: 10px;
}

.product-info h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.product-description {
  color: var(--text-light);
  margin-bottom: 15px;
  font-size: 0.9rem;
}

.product-features {
  margin-bottom: 15px;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.feature-item:before {
  content: "✓";
  color: var(--primary-color);
  margin-right: 8px;
  font-weight: bold;
}

.product-detail-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.product-detail-link:hover {
  color: #005299;
}

/* 产品详情样式 */
.product-detail {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
}

.detail-header {
  padding: 30px;
  background: var(--secondary-color);
}

.detail-title {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.detail-content {
  padding: 30px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.detail-section h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.spec-table th, .spec-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.spec-table th {
  background: var(--secondary-color);
  font-weight: bold;
  width: 30%;
}

/* 企业荣誉页面样式 */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.honor-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.honor-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.honor-image {
  height: 200px;
  overflow: hidden;
  background: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.honor-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.honor-info {
  padding: 20px;
}

.honor-info h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-color);
}

.honor-info p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* 工程案例页面样式 */
.consult-banner {
  background: #f0f7ff;
  padding: 15px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
  text-align: center;
}

.consult-banner p {
  margin-bottom: 10px;
}

.consult-banner a {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 8px 20px;
  border-radius: 4px;
  text-decoration: none;
  transition: var(--transition);
}

.consult-banner a:hover {
  background: #005299;
}

/* 案例筛选 */
.case-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  justify-content: center;
}

/* 案例列表 */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.case-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.case-image {
  height: 220px;
  overflow: hidden;
}

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

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

.case-info {
  padding: 20px;
}

.case-category {
  display: inline-block;
  padding: 3px 10px;
  background: #f0f7ff;
  color: var(--primary-color);
  font-size: 0.8rem;
  border-radius: 4px;
  margin-bottom: 10px;
}

.case-info h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.case-location {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.case-location:before {
  content: '📍';
  margin-right: 5px;
}

.case-description {
  color: var(--text-light);
  margin-bottom: 20px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.case-tag {
  font-size: 0.8rem;
  padding: 3px 10px;
  background: var(--secondary-color);
  border-radius: 4px;
  color: var(--text-color);
}

.view-details {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.view-details:hover {
  color: #005299;
}

/* 案例详情模态框 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  overflow-y: auto;
  padding: 40px 20px;
}

.modal-content {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 24px;
  color: #fff;
  background: rgba(0,0,0,0.5);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.close-modal:hover {
  background: rgba(0,0,0,0.7);
}

.modal-image {
  height: 400px;
}

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

.modal-details {
  padding: 30px;
}

.modal-details h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
  color: var(--text-light);
}

.modal-description {
  margin-bottom: 30px;
  line-height: 1.8;
}

.modal-consult {
  background: #f0f7ff;
  padding: 20px;
  border-radius: var(--border-radius);
  margin-top: 20px;
}

.modal-consult h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.modal-consult p {
  margin-bottom: 10px;
}

.modal-consult a {
  color: var(--primary-color);
  font-weight: 500;
}

/* 联系我们页面样式 */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info {
  background: var(--secondary-color);
  padding: 30px;
  border-radius: var(--border-radius);
}

.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: var(--primary-color);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.contact-details p {
  color: var(--text-light);
}

.contact-details a {
  color: var(--primary-color);
  text-decoration: none;
}

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

.wechat-qrcode {
  margin-top: 30px;
  text-align: center;
}

.wechat-qrcode img {
  width: 180px;
  height: 180px;
  margin: 0 auto 10px;
  display: block;
  border: 1px solid var(--border-color);
  padding: 5px;
  border-radius: var(--border-radius);
}

.wechat-qrcode p {
  color: var(--text-light);
}

/* 联系表单样式 */
.contact-form {
  background: #fff;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.contact-form h2 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: var(--primary-color);
}

/* 需求类型选择 */
.inquiry-types {
  margin-bottom: 30px;
}

.inquiry-types h3 {
  margin-bottom: 15px;
}

.type-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.type-btn {
  padding: 8px 15px;
  background: var(--secondary-color);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.type-btn.active {
  background: var(--primary-color);
  color: white;
}

/* 表单样式 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 102, 178, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 30px;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  background: #005299;
}

/* 公司地址地图 */
.company-map {
  margin-top: 30px;
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 300px;
  background: var(--secondary-color);
  position: relative;
}

.company-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.map-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 10px 15px;
}

/* 页脚样式 */
.footer {
  background: #333;
  color: #fff;
  padding: 40px 0 20px;
  margin-top: 40px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.footer-column h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column a {
  color: #ccc;
  text-decoration: none;
  transition: var(--transition);
}

.footer-column a:hover {
  color: #fff;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #444;
  font-size: 0.9rem;
  color: #ccc;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow);
    z-index: 100;
  }
  
  .nav.active {
    display: flex;
  }
  
  .menu-btn {
    display: block;
  }
  
  .core-summary {
    padding: 2rem 1rem;
  }
  
  .cta-section {
    padding: 2rem 1rem;
  }
  
  .contact-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .page-title h1 {
    font-size: 1.6rem;
  }
  
  .section-inner {
    grid-template-columns: 1fr;
  }
  
  .main-content h2 {
    font-size: 1.4rem;
  }
  
  .product-grid,
  .honor-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .company-map {
    height: 250px;
  }
  
  .modal-image {
    height: 250px;
  }
  
  .modal-details h2 {
    font-size: 1.5rem;
  }
}