/* 全局样式 */
:root {
  --primary-color: #0089D1;
  --secondary-color: #333333;
  --light-gray: #F5F5F5;
  --white: #FFFFFF;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', Arial, sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

a:hover {
  color: #006aa6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部样式 */
header {
  background-color: var(--white);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo img {
  height: 50px;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  color: var(--secondary-color);
  font-weight: 500;
}

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

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

/* 首页横幅 */
.hero {
  background: linear-gradient(135deg, #0089D1, #005a88);
  color: var(--white);
  padding: 150px 0 100px;
  margin-top: 80px;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 1px;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: #006aa6;
  color: var(--white);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background-color: var(--white);
  color: var(--primary-color);
}

/* 特色部分 */
.features {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.section-title p {
  color: #777;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-item {
  background-color: var(--white);
  padding: 30px;
  border-radius: 5px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-item h3 {
  margin-bottom: 15px;
}

/* 产品部分 */
.products {
  padding: 80px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  position: relative;
}

.product-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.product-card:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  z-index: 1;
}

.product-card:hover:before {
  transform: scaleX(1);
}

.product-img {
  height: 280px;
  overflow: hidden;
  position: relative;
}

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

.product-card:hover .product-img img {
  transform: scale(1.08);
}

.product-img:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover .product-img:after {
  opacity: 1;
}

.product-info {
  padding: 25px;
}

.product-info h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.product-info p {
  color: #666;
  margin-bottom: 25px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.product-info .btn {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.product-info .btn:before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.product-info .btn:hover:before {
  left: 100%;
}

.product-info .btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 137, 209, 0.3);
  color: var(--white);
}

/* 关于我们部分 */
.about {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-img img {
  width: 100%;
  border-radius: 5px;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

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

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

/* 客户价值部分 */
.values {
  padding: 80px 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.value-item {
  display: flex;
  background-color: var(--white);
  padding: 30px;
  border-radius: 5px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.value-icon {
  font-size: 30px;
  color: var(--primary-color);
  margin-right: 20px;
}

.value-content h3 {
  margin-bottom: 15px;
}

/* 联系部分 */
.contact {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-form form {
  display: grid;
  gap: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--white);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 137, 209, 0.1);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23666" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
  padding-right: 35px;
}

.form-group select:hover {
  border-color: var(--primary-color);
}

.form-group select option {
  padding: 8px;
  background-color: var(--white);
  color: var(--secondary-color);
}

.contact-info {
  display: grid;
  gap: 30px;
}

.contact-item {
  display: flex;
}

.contact-icon {
  font-size: 24px;
  color: var(--primary-color);
  margin-right: 15px;
}

.contact-items {
  display: grid;
  gap: 20px;
}

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

.contact-text p {
  color: #777;
}

.contact-logo {
  text-align: center;
  margin-top: 30px;
}

.contact-logo img {
  height: 80px;
}

/* 地图部分 */
.map-section {
  padding: 80px 0;
}

.map-container {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 合作洽谈部分 */
.cooperation {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.cooperation-content {
  text-align: center;
}

.cooperation-content > p {
  max-width: 800px;
  margin: 0 auto 50px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.cooperation-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.cooperation-item {
  background-color: var(--white);
  padding: 40px 20px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.cooperation-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.cooperation-icon {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.cooperation-item h3 {
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.cooperation-item p {
  color: #777;
  line-height: 1.6;
}

/* 联系页面FAQ */
.contact-faq {
  padding: 80px 0;
}

.faq-items {
  max-width: 800px;
  margin: 0 auto;
}

/* 技术支持联系部分 */
.support-contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 40px;
  align-items: stretch;
}

.support-contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.support-contact-info .contact-item {
  background-color: var(--white);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.support-contact-info .contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
  border-color: var(--primary-color);
}

.support-contact-info .contact-icon {
  font-size: 32px;
  color: var(--primary-color);
  margin-right: 20px;
  margin-bottom: 0;
}

.support-contact-info .contact-text h3 {
  font-size: 1.3rem;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.support-contact-info .contact-text p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 8px;
}

.support-contact-info .contact-text p:last-child {
  margin-bottom: 0;
}

.support-contact-form {
  background-color: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.support-contact-form h3 {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-bottom: 30px;
  text-align: center;
  font-weight: 600;
}

.support-contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 25px;
}

.support-contact-form .form-group {
  margin-bottom: 25px;
}

.support-contact-form .form-row .form-group {
  margin-bottom: 0;
}

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

.support-contact-form .form-group input,
.support-contact-form .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background-color: #fafafa;
}

.support-contact-form .form-group input:focus,
.support-contact-form .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(0, 137, 209, 0.1);
}

.support-contact-form .form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.support-contact-form .btn {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: auto;
}

/* 页脚 */
footer {
  background-color: #1a1a1a;
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 20px;
}

.footer-about p {
  margin-bottom: 20px;
}

.footer-links h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

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

.footer-links ul li a {
  color: #aaa;
}

.footer-links ul li a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  text-align: center;
  color: #aaa;
}

/* 产品详情页 */
.product-detail {
  padding: 120px 0 80px;
}

/* 面包屑导航 */
.breadcrumb-small {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
  font-size: 0.9rem;
  color: #666;
}

.breadcrumb-small a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb-small a:hover {
  color: var(--secondary-color);
}

.breadcrumb-small span {
  margin: 0 8px;
  color: #ccc;
}

.product-detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

/* 产品图片区域 */
.product-detail-img {
  position: relative;
}

.product-main-image {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  margin-bottom: 20px;
}

.product-main-image:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-thumbnails {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.product-thumbnail {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  opacity: 0.7;
}

.product-thumbnail:hover,
.product-thumbnail.active {
  border-color: var(--primary-color);
  opacity: 1;
  transform: scale(1.05);
}

/* 产品信息区域 */
.product-detail-info h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-weight: 700;
}

.product-intro {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #666;
  margin-bottom: 30px;
  padding: 20px;
  background-color: var(--light-gray);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

/* 产品操作按钮 */
.product-actions {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.product-actions .btn {
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.product-actions .btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.product-actions .btn-outline:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 137, 209, 0.3);
}

.product-features {
  margin: 30px 0;
}

.product-features h3 {
  margin-bottom: 15px;
}

.product-features ul {
  list-style: none;
}

.product-features ul li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}

.product-features ul li:before {
  content: "✓";
  color: var(--primary-color);
  margin-right: 10px;
}

.tech-specs {
  margin: 30px 0;
}

.tech-specs h3 {
  margin-bottom: 15px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table tr {
  border-bottom: 1px solid #eee;
}

.specs-table td {
  padding: 10px;
}

.specs-table td:first-child {
  font-weight: 500;
  width: 40%;
}

/* 产品详情标签页 */
.product-full-details {
  margin-top: 60px;
}

.tab-container {
  background-color: var(--white);
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  border: 1px solid #f0f0f0;
}

.tab-header {
  display: flex;
  background-color: var(--light-gray);
  border-bottom: 1px solid #e0e0e0;
}

.tab-link {
  flex: 1;
  padding: 20px 30px;
  text-align: center;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
  position: relative;
}

.tab-link:hover,
.tab-link.active {
  background-color: var(--white);
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  padding: 40px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* 应用场景卡片 */
.application-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 30px;
}

.application-card {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  text-align: center;
}

.application-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.application-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.application-card h4 {
  padding: 20px 20px 10px;
  font-size: 1.2rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.application-card p {
  padding: 0 20px 20px;
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 产品优势大卡片 */
.advantage-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.advantage-item-large {
  background-color: var(--white);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  position: relative;
  overflow: hidden;
}

.advantage-item-large:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.advantage-item-large:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.advantage-item-large:hover:before {
  transform: scaleX(1);
}

.advantage-icon-large {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 25px;
  transition: all 0.3s ease;
}

.advantage-item-large:hover .advantage-icon-large {
  transform: scale(1.1);
  color: var(--secondary-color);
}

.advantage-item-large h4 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.advantage-item-large p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 相关产品 */
.related-products {
  margin-top: 80px;
  padding-top: 60px;
  border-top: 1px solid #e0e0e0;
}

.related-products h3 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--secondary-color);
  font-weight: 600;
}

.related-products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* 关于我们页面 */
/* 公司介绍 */
.about-company {
  padding: 80px 0;
  background-color: var(--white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.about-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

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

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  font-weight: 700;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #666;
  margin-bottom: 25px;
}

/* 企业文化 */
.company-culture {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.culture-item {
  background-color: var(--white);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  position: relative;
  overflow: hidden;
}

.culture-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.culture-item:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.culture-item:hover:before {
  transform: scaleX(1);
}

.culture-icon {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 25px;
  transition: all 0.3s ease;
}

.culture-item:hover .culture-icon {
  transform: scale(1.1);
  color: var(--secondary-color);
}

.culture-item h3 {
  margin-bottom: 15px;
  font-size: 1.4rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.culture-item p {
  color: #666;
  line-height: 1.6;
  font-size: 1rem;
}

/* 发展历程 */
.development {
  padding: 80px 0;
  background-color: var(--white);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline:before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--primary-color);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 40px;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 40px;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: var(--primary-color);
  border-radius: 50%;
  top: 0;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -10px;
}

.timeline-content {
  background-color: var(--white);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
  border-color: var(--primary-color);
}

.timeline-content h3 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.timeline-content p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 企业实力 */
.company-strength {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.strength-item {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
}

.strength-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.strength-img {
  width: 200px;
  height: 150px;
  overflow: hidden;
  flex-shrink: 0;
}

.strength-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.strength-item:hover .strength-img img {
  transform: scale(1.1);
}

.strength-content {
  padding: 30px;
  flex: 1;
}

.strength-content h3 {
  margin-bottom: 15px;
  font-size: 1.4rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.strength-content p {
  color: #666;
  line-height: 1.6;
  font-size: 1rem;
}

/* 内页通用 */
.page-header {
  background: linear-gradient(135deg, #0089D1, #005a88);
  color: var(--white);
  padding: 150px 0 80px;
  margin-top: 80px;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.page-header p {
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb span {
  margin: 0 10px;
}

/* 媒体查询 */
@media screen and (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .strength-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 40px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }
  
  .timeline:before {
    left: 20px;
  }
  
  .timeline-dot {
    left: 10px !important;
    right: auto !important;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .product-detail-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .application-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .advantage-items {
    grid-template-columns: 1fr;
  }
  
  .related-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .cooperation-items {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .mobile-menu {
    display: block;
  }
  
  nav {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    transition: all 0.3s ease;
  }
  
  nav.active {
    transform: translateY(0);
  }
  
  nav ul {
    flex-direction: column;
    padding: 20px;
  }
  
  nav ul li {
    margin: 0;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .cooperation-items {
    grid-template-columns: 1fr;
  }
  
  .solution-overview {
    grid-template-columns: 1fr;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
}

/* 自定义动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 1s ease forwards;
}

/* 产品分类导航 */
.product-categories-section {
  padding-top: 40px;
}

.product-categories {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.product-categories a {
  margin: 0 10px;
  padding: 8px 20px;
  border-radius: 20px;
  background-color: var(--light-gray);
  color: var(--secondary-color);
}

.product-categories a:hover,
.product-categories a.active {
  background-color: var(--primary-color);
  color: var(--white);
}

/* 产品技术优势 */
.product-advantage {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.advantage-item {
  background-color: var(--white);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  position: relative;
  overflow: hidden;
}

.advantage-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.advantage-item:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.advantage-item:hover:before {
  transform: scaleX(1);
}

.advantage-icon {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 25px;
  transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
  transform: scale(1.1);
  color: var(--secondary-color);
}

.advantage-item h3 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.advantage-item p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 行业应用 */
.industry-application {
  padding: 80px 0;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.application-item {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
}

.application-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.application-img {
  width: 200px;
  height: 150px;
  overflow: hidden;
  flex-shrink: 0;
}

.application-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.application-item:hover .application-img img {
  transform: scale(1.1);
}

.application-content {
  padding: 30px;
  flex: 1;
}

.application-content h3 {
  margin-bottom: 15px;
  font-size: 1.4rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.application-content p {
  color: #666;
  line-height: 1.6;
  font-size: 1rem;
}

/* 解决方案预览 */
.solutions {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.solutions-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.solution-preview-item {
  background-color: var(--white);
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.solution-preview-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.solution-img {
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.solution-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

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

.solution-preview-item h3 {
  margin: 0 20px 15px;
  font-size: 1.3rem;
}

.solution-preview-item p {
  margin: 0 20px 20px;
  color: #777;
  line-height: 1.6;
  flex-grow: 1;
}

.solution-preview-item .btn {
  margin: 0 20px 20px;
  margin-top: auto;
}

/* 行动召唤部分 */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #0089D1, #005a88);
  color: var(--white);
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-large {
  padding: 15px 40px;
  font-size: 1.1rem;
  border-radius: 6px;
}

/* 解决方案页面 */
.solution-card {
  background-color: var(--white);
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
}

.solution-header {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 20px;
}

.solution-body {
  padding: 30px;
}

.solution-challenges,
.solution-points,
.solution-products {
  margin-bottom: 30px;
}

.solution-points ul {
  list-style: none;
}

.solution-points ul li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}

.solution-points ul li:before {
  content: "★";
  color: var(--primary-color);
  margin-right: 10px;
}

.solution-products ul {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  list-style: none;
}

.solution-products ul li {
  background-color: var(--light-gray);
  padding: 8px 15px;
  border-radius: 20px;
}

/* 解决方案页面补充样式 */
.solutions-intro {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.solutions-intro-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.solutions-intro-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.solution-section {
  padding: 40px 0;
}

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

.solution-img {
  border-radius: 8px;
  overflow: hidden;
}

.solution-img img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.solution-summary h4 {
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.solution-summary p {
  margin-bottom: 20px;
  line-height: 1.6;
}

.solution-challenges h4,
.solution-points h4,
.solution-products h4,
.solution-benefits h4 {
  margin-bottom: 20px;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.solution-challenges p {
  background-color: #fff3cd;
  padding: 15px;
  border-radius: 5px;
  border-left: 4px solid #ffc107;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.benefit-item {
  display: flex;
  align-items: center;
  background-color: var(--light-gray);
  padding: 15px;
  border-radius: 8px;
}

.benefit-icon {
  font-size: 24px;
  color: var(--primary-color);
  margin-right: 15px;
  min-width: 40px;
}

.benefit-content h5 {
  margin: 0;
  font-size: 1rem;
}

.custom-solution {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.custom-solution-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.custom-solution-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.custom-solution-action {
  margin-top: 30px;
}

.customer-cases {
  padding: 80px 0;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.case-item {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.case-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-img {
  height: 200px;
  overflow: hidden;
}

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

.case-content {
  padding: 20px;
}

.case-content h4 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

.case-content p {
  line-height: 1.6;
  color: #666;
}

/* 新闻资讯页面 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.news-card {
  background-color: var(--white);
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.news-img {
  height: 200px;
  overflow: hidden;
}

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

.news-info {
  padding: 20px;
}

.news-date {
  color: #777;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.news-info h3 {
  margin-bottom: 15px;
}

.pagination {
  display: flex;
  justify-content: center;
  list-style: none;
}

.pagination li {
  margin: 0 5px;
}

.pagination li a {
  display: block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background-color: var(--light-gray);
  border-radius: 50%;
}

.pagination li a.active {
  background-color: var(--primary-color);
  color: var(--white);
}

/* 技术支持页面 */
.support-tabs-section {
  padding-top: 40px;
}

.support-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.support-tabs a {
  margin: 0 10px;
  padding: 8px 20px;
  border-radius: 20px;
  background-color: var(--light-gray);
  color: var(--secondary-color);
}

.support-tabs a:hover,
.support-tabs a.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.faq-item {
  margin-bottom: 15px;
  border: 1px solid #eee;
  border-radius: 5px;
  overflow: hidden;
}

.faq-question {
  padding: 15px 20px;
  background-color: var(--light-gray);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 15px 20px;
  border-top: 1px solid #eee;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* 支持页面补充样式 */
.support-section {
  padding: 60px 0;
}

.faq-category {
  margin-bottom: 50px;
}

.faq-category h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 25px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
  position: relative;
}

.faq-category h3:before {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--secondary-color);
}

.faq-items {
  max-width: 800px;
  margin: 0 auto;
}

.faq-question h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
}

.faq-answer {
  background-color: var(--white);
  line-height: 1.6;
}

.faq-answer p {
  margin-bottom: 15px;
}

.faq-answer ol,
.faq-answer ul {
  margin: 15px 0;
  padding-left: 20px;
}

.faq-answer li {
  margin-bottom: 8px;
}

.faq-answer strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* 维护指南样式 */
.maintenance-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.maintenance-item {
  background-color: var(--white);
  padding: 30px 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.maintenance-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.maintenance-icon {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.maintenance-text h3 {
  margin-bottom: 20px;
  font-size: 1.3rem;
  color: var(--secondary-color);
}

.maintenance-text ul {
  list-style: none;
  text-align: left;
}

.maintenance-text ul li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  position: relative;
  padding-left: 20px;
}

.maintenance-text ul li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.maintenance-text ul li:last-child {
  border-bottom: none;
}

.maintenance-note {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.maintenance-tip {
  background: linear-gradient(135deg, #0089D1, #005a88);
  color: var(--white);
  padding: 25px;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.maintenance-tip:before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: rotate(45deg);
}

.maintenance-tip-icon {
  font-size: 30px;
  margin-bottom: 15px;
  opacity: 0.9;
}

.maintenance-tip h4 {
  margin-bottom: 15px;
  font-size: 1.2rem;
  font-weight: 600;
}

.maintenance-tip p {
  line-height: 1.6;
  opacity: 0.95;
  margin: 0;
}

.maintenance-service {
  background-color: var(--white);
  border: 2px solid var(--primary-color);
  padding: 25px;
  border-radius: 10px;
  text-align: center;
}

.maintenance-service-icon {
  font-size: 30px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.maintenance-service h4 {
  margin-bottom: 15px;
  font-size: 1.2rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.maintenance-service p {
  line-height: 1.6;
  color: #666;
  margin: 0;
}

.maintenance-service .btn {
  margin-top: 15px;
  display: inline-block;
}

/* 下载资料样式 */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.download-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 30px 25px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  position: relative;
  overflow: hidden;
}

.download-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.download-card:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.download-card:hover:before {
  transform: scaleX(1);
}

.download-icon {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.download-card:hover .download-icon {
  transform: scale(1.1);
  color: var(--secondary-color);
}

.download-info h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.download-info p {
  color: #666;
  line-height: 1.5;
  margin-bottom: 25px;
  font-size: 0.95rem;
}

.download-btn {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
  border: none;
  cursor: pointer;
}

.download-btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 137, 209, 0.3);
  color: var(--white);
}

/* 团队介绍 */
.team {
  padding: 100px 0;
  background-color: #f8f9fa;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 60px;
}

.team-member {
  background-color: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #e9ecef;
  position: relative;
}

.team-member:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.team-member:hover::before {
  transform: scaleX(1);
}

.team-img {
  height: 280px;
  overflow: hidden;
  position: relative;
}

.team-img::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(155, 89, 182, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.team-member:hover .team-img::after {
  opacity: 1;
}

.team-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.team-member:hover .team-img img {
  transform: scale(1.05);
}

.team-info {
  padding: 30px 25px;
}

.team-info h3 {
  margin-bottom: 8px;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.team-member:hover .team-info h3 {
  color: var(--primary-color);
}

.team-position {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.team-info p {
  color: #666;
  line-height: 1.6;
  font-size: 0.9rem;
  margin: 0;
}

@media screen and (max-width: 992px) {
  .team {
    padding: 80px 0;
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
  }
  
  .team-img {
    height: 260px;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .solutions-preview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .maintenance-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .downloads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .application-grid {
    grid-template-columns: 1fr;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .team {
    padding: 60px 0;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 40px;
  }
  
  .team-member {
    max-width: 350px;
    margin: 0 auto;
  }
  
  .team-img {
    height: 240px;
  }
  
  .team-info {
    padding: 25px 20px;
  }
  
  .team-info h3 {
    font-size: 1.3rem;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .solutions-preview {
    grid-template-columns: 1fr;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  .cta-content p {
    font-size: 1rem;
  }
  
  .btn-large {
    padding: 12px 30px;
    font-size: 1rem;
  }
  
  .product-categories {
    flex-wrap: wrap;
  }
  
  .product-categories a {
    margin-bottom: 10px;
  }
  
  .support-tabs {
    flex-wrap: wrap;
  }
  
  .support-tabs a {
    margin-bottom: 10px;
  }
  
  .maintenance-content {
    grid-template-columns: 1fr;
  }
  
  .maintenance-note {
    grid-template-columns: 1fr;
  }
  
  .downloads-grid {
    grid-template-columns: 1fr;
  }
  
  .advantage-grid {
    grid-template-columns: 1fr;
  }
  
  .application-item {
    flex-direction: column;
    text-align: center;
  }
  
  .application-img {
    width: 100%;
    height: 200px;
  }
  
  .application-content {
    padding: 25px 20px;
  }
  
  .product-detail {
    padding: 100px 0 60px;
  }
  
  .product-detail-content {
    gap: 30px;
  }
  
  .product-detail-info h1 {
    font-size: 2rem;
  }
  
  .product-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .product-actions .btn {
    text-align: center;
  }
  
  .tab-header {
    flex-direction: column;
  }
  
  .tab-link {
    border-bottom: none;
    border-right: 3px solid transparent;
  }
  
  .tab-link:hover,
  .tab-link.active {
    border-right-color: var(--primary-color);
  }
  
  .tab-content {
    padding: 30px 20px;
  }
  
  .application-cards {
    grid-template-columns: 1fr;
  }
  
  .advantage-items {
    grid-template-columns: 1fr;
  }
  
  .related-products-grid {
    grid-template-columns: 1fr;
  }
  
  .product-thumbnails {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .product-thumbnail {
    width: 60px;
    height: 60px;
  }
  
  .about-company {
    padding: 60px 0;
  }
  
  .about-content {
    gap: 30px;
  }
  
  .about-text h2 {
    font-size: 2rem;
  }
  
  .about-img img {
    height: 250px;
  }
  
  .company-culture,
  .development,
  .company-strength {
    padding: 60px 0;
  }
  
  .culture-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .culture-item {
    padding: 30px 20px;
  }
  
  .timeline {
    padding: 20px 0;
  }
  
  .timeline-item {
    padding-left: 30px !important;
  }
  
  .timeline:before {
    left: 15px;
  }
  
  .timeline-dot {
    left: 5px !important;
    width: 15px;
    height: 15px;
  }
  
  .timeline-content {
    padding: 20px;
  }
  
  .strength-grid {
    gap: 25px;
  }
  
  .strength-item {
    flex-direction: column;
    text-align: center;
  }
  
  .strength-img {
    width: 100%;
    height: 200px;
  }
  
  .strength-content {
    padding: 25px 20px;
  }
  
  .news-section {
    padding: 40px 0;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
  }
  
  .news-tabs {
    flex-wrap: wrap;
  }
  
  .news-tabs a {
    margin-bottom: 10px;
  }
  
  .news-img {
    height: 200px;
  }
  
  .news-content {
    padding: 20px;
  }
  
  .news-content h3 {
    font-size: 1.1rem;
  }
  
  .pagination {
    flex-wrap: wrap;
    gap: 5px;
  }
  
  .page-btn {
    padding: 8px 12px;
    min-width: 40px;
  }
  
  .support-contact-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* 新闻页面样式 */
.news-tabs-section {
  padding-top: 40px;
}

.news-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.news-tabs a {
  margin: 0 10px;
  padding: 8px 20px;
  border-radius: 20px;
  background-color: var(--light-gray);
  color: var(--secondary-color);
}

.news-tabs a:hover,
.news-tabs a.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.news-section {
  padding: 60px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.news-item {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
}

.news-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.news-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-item:hover .news-img img {
  transform: scale(1.05);
}

.news-category {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.news-content {
  padding: 25px;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: #888;
}

.news-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.news-content h3 {
  margin-bottom: 15px;
  font-size: 1.2rem;
  line-height: 1.4;
}

.news-content h3 a {
  color: var(--secondary-color);
  transition: color 0.3s ease;
}

.news-content h3 a:hover {
  color: var(--primary-color);
}

.news-content p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  color: var(--primary-color);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.3s ease;
}

.read-more:hover {
  color: var(--secondary-color);
  gap: 8px;
}

/* 分页样式 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.page-btn {
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  color: var(--secondary-color);
  transition: all 0.3s ease;
  min-width: 45px;
  text-align: center;
}

.page-btn:hover {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

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

.page-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-btn.disabled:hover {
  background-color: transparent;
  color: var(--secondary-color);
  border-color: #ddd;
}
  
  .support-contact-form {
    padding: 30px 20px;
  }
  
  .support-contact-form .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .support-contact-form .form-row .form-group {
    margin-bottom: 25px;
  }
  
  .support-contact-form .form-row .form-group:last-child {
    margin-bottom: 0;
  }