/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #fff;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, li {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

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

.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

/* Header Styles */
.header {
  position: relative;
  z-index: 50;
}

.header-top {
  background: #fff;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  height: 56px;
}
@media (max-width: 768px) {
	
.logo-icon {
  height: 40px;
}
}

.logo-text {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.logo-text .cn {
  font-size: 36px;
  font-weight: bold;
  color: #1e50ae;
}

.logo-text .en {
  font-size: 13px;
  font-weight: 500;
  color: #1e50ae;
  letter-spacing: 0.15em;
}

.hotline {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hotline2 {
  flex-direction: column;
}

.hotline-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #1e50ae;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hotline-icon svg {
  width: 16px;
  height: 16px;
  fill: #fff;
}

.hotline-text {
  text-align: left;
}

.hotline-text p {
  font-size: 16px;
  color: #666;
}

.hotline-text span {
  font-size: 24px;
  font-weight: 600;
  color: #1e50ae;
  letter-spacing: 0.05em;
}



/* Navigation */
.nav {
  background: #1e50ae;
}

.nav ul {
  display: flex;
  justify-content: center;
}

.nav ul li a {
  display: block;
  padding: 12px 40px;
  font-size: 15px;
  color: #fff;
  transition: background 0.3s;
}

.nav ul li a:hover,
.nav ul li a.active {
  background: #fff;
  color: #1e50ae;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  padding: 10px;
  color: #1e50ae;
}

/* Banner Styles */
.banner {
  position: relative;
  height: 500px;
  overflow: hidden;
  background: #1e50ae;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s;
}

.banner-slide.active {
  opacity: 1;
}

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

.banner-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0,0,0,0.3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
  z-index: 10;
}

.banner-nav:hover {
  background: rgba(0,0,0,0.5);
}

.banner-nav.prev {
  left: 20px;
}

.banner-nav.next {
  right: 20px;
}

.banner-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.banner-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background 0.3s;
}

.banner-dots span.active {
  background: #fff;
}

/* Section Common Styles */
.section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: bold;
  color: #1e50ae;
  margin-bottom: 12px;
}

.section-header .line {
  width: 40px;
  height: 4px;
  background: #1e50ae;
  margin: 0 auto 16px;
}

.section-header p {
  font-size: 14px;
  color: #666;
}

/* About Section */
.about-section {
  background: #fff;
}

.about-content {
  display: flex;
  gap: 60px;
  align-items: flex-start;
  padding: 0 65px;
}

.about-image {
  flex: 0 0 35%;
}

.about-image img {
  height: 330px;
	width: auto;
}

.about-text {
  flex: 1;
  padding-top: 20px;
}

.about-text h3 {
  font-size: 20px;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
}

.about-text .underline {
  width: 48px;
  height: 3px;
  background: #1e50ae;
  margin-bottom: 24px;
}

.about-text p {
  font-size: 14px;
  color: #666;
  line-height: 2;
  text-align: justify;
}

/* Products Section */
.products-section {
  background: #e8eaed;
}

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

.product-tabs button {
  padding: 12px 32px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid #ddd;
  background: #fff;
  color: #333;
  transition: all 0.3s;
}

.product-tabs button:hover,
.product-tabs button.active {
  background: #1e50ae;
  color: #fff;
  border-color: #1e50ae;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: #fff;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.product-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid #eee;
}

.product-card h3 {
  padding: 16px;
  font-size: 14px;
  color: #333;
  text-align: center;
}

.product-card:hover h3 {
  color: #1e50ae;
}

/* Cases Section */
.cases-section {
  background: #fff;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.case-card {
  cursor: pointer;
}

.case-card .image-wrapper {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}

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

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

.case-card .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.case-card:hover .play-btn {
  background: rgba(0,0,0,0.7);
}

.case-card .play-btn svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  margin-left: 4px;
}

.case-card .title-btn {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #1e50ae;
  border: 1px solid #999999;
  background: #fff;
  transition: all 0.3s;
}



/* Benefits Section */
.benefits-section {
  position: relative;
}

.benefits-bg-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 245px;
  background: #ffffff url('../images/adv-bg.png') top/cover;
}

.benefits-bg-top::after {
  content: '';
  position: absolute;
  inset: 0;
}

.benefits-bg-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 55%;
  background: #fff;
}

.benefits-section .container {
  position: relative;
  z-index: 1;
  padding: 0px 20px;
}

.benefits-header {
  text-align: center;
  margin-bottom: 40px;
}

.benefits-header h2 {
  font-size: 32px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 8px;
}

.benefits-header h2 span {
  color: #d9a140;
}

.benefits-header p {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.2em;
}

.benefits-card {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  padding: 40px 48px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 32px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.benefit-item .number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #2a4a7a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  font-style: italic;
  color: #fff;
  flex-shrink: 0;
}

.benefit-item .text {
  flex: 1;
  padding: 12px 20px;
  border: 1px solid #ddd;
  border-radius: 50px;
  font-size: 14px;
  color: #333;
}

/* News Section */
.news-section {
  background: #fff;
  background: url(../images/news-bg.png) top center;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 40px;
}

.news-card {
  display: flex;
  gap: 20px;
  cursor: pointer;
}

.news-card .image-wrapper {
  flex: 0 0 200px;
  height: 130px;
  overflow: hidden;
  border-radius: 4px;
}

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

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

.news-card .content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4px 0;
}

.news-card h3 {
  font-size: 16px;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
  transition: color 0.3s;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover h3 {
  color: #1e50ae;
}

.news-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .date {
  font-size: 13px;
  color: #999;
}

/* Contact Section */
.contact-section {
  position: relative;
  padding: 80px 0;
  background: url('../images/contact-bg.jpg') center/cover fixed;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.1);
}

.contact-card {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  padding: 48px 64px;
}

.contact-card .section-header {
  margin-bottom: 48px;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
}

.contact-info .underline {
  width: 32px;
  height: 3px;
  background: #d9a140;
  margin-bottom: 32px;
}

.contact-info p {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

.contact-info p span {
  color: #333;
}

.contact-map {
  height: 350px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer Styles */
.footer {
  background: #0d1b2a;
  color: #fff;
  padding: 40px 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 65px;
}

.footer-company h2 {
  font-size: 29px;
  font-weight: 600;
}

.footer-contact {
  flex: 1;
  text-align: center;
  border-left: 1px solid #2a3a4a;
  padding-left: 40px;
  border-right: 1px solid #2a3a4a;
  padding-right: 40px;	
}

@media (max-width: 768px) {
	
  .footer-contact {
  border-left: 0px;
  border-right: 0px;
}
}

.footer-contact .label {
  font-size: 13px;
  color: #6b7b8a;
  margin-bottom: 8px;
}

.footer-contact .phone {
  font-size: 30px;
  font-weight: 600;
}

.footer-contact .copyright {
  margin-top: 20px;
  font-size: 12px;
  color: #4a5a6a;
}

.footer-contact .copyright a {
  color: #4a5a6a;
  transition: color 0.3s;
}

.footer-contact .copyright a:hover {
  color: #6b7b8a;
}

.footer-qrcode {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-qrcode .label {
  font-size: 13px;
  color: #6b7b8a;
}

.footer-qrcode .qr-wrapper {
  position: relative;
}

.footer-qrcode .qr-wrapper img {
  width: 138px;
  height: 138px;
  background: #fff;
  padding: 6px;
  border-radius: 4px;
}

.footer-qrcode .qr-text {
  position: absolute;
  font-size: 11px;
  color: #6b7b8a;
  white-space: nowrap;
}

.footer-qrcode .qr-text.top {
  top: -20px;
  right: -8px;
  transform: rotate(30deg);
}

.footer-qrcode .qr-text.bottom {
  bottom: -20px;
  left: 30px;
}

/* Sidebar Styles */
.page-content {
  display: flex;
  gap: 24px;
  padding: 40px 0;
}

.sidebar {
  width: 280px;
  flex-shrink: 0;
}

.sidebar-box {
  margin-bottom: 20px;
}

.sidebar-box .title {
  background: #1e50ae;
  color: #fff;
  padding: 16px 20px;
  font-size: 18px;
  font-weight: bold;
}

.sidebar-box .content {
  background: #fff;
  border: 1px solid #eee;
  border-top: none;
}

.category-list li {
  border-bottom: 1px solid #eee;
}

.category-list li:last-child {
  border-bottom: none;
}

.category-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  font-size: 14px;
  color: #333;
  transition: color 0.3s;
}

.category-list li a:hover {
  color: #1e50ae;
}

.category-list li a svg {
  width: 16px;
  height: 16px;
  fill: #999;
}

.sidebar-contact img {
  width: 100%;
  height: auto;
}

.sidebar-contact .info {
  padding: 20px;
}

.sidebar-contact .info p {
  font-size: 14px;
  color: #333;
  margin-bottom: 12px;
}

.sidebar-contact .info span {
  color: #666;
}

/* Main Content Area */
.main-content {
  flex: 1;
  min-width: 0;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.content-header h2 {
  font-size: 18px;
  font-weight: bold;
  color: #1e50ae;
  padding-left: 12px;
  border-left: 4px solid #1e50ae;
}

.content-header a {
  font-size: 13px;
  color: #666;
  transition: color 0.3s;
}

.content-header a:hover {
  color: #1e50ae;
}

/* News List Styles */
.news-list-item {
  display: flex;
  gap: 24px;
  padding: 24px;
  background: #fff;
  border-bottom: 1px dashed #ddd;
}

.news-list-item:last-child {
  border-bottom: none;
}

.news-list-item .date-box {
  width: 80px;
  flex-shrink: 0;
  background: #f0f0f0;
  padding: 16px 8px;
  text-align: center;
}

.news-list-item .date-box .day {
  font-size: 32px;
  font-weight: 300;
  color: #666;
  line-height: 1;
}

.news-list-item .date-box .month {
  font-size: 13px;
  color: #999;
  margin-top: 4px;
}

.news-list-item .content {
  flex: 1;
}

.news-list-item .content h3 {
  font-size: 16px;
  font-weight: bold;
  color: #1e50ae;
  margin-bottom: 12px;
  transition: text-decoration 0.3s;
}

.news-list-item .content h3:hover {
  text-decoration: underline;
}

.news-list-item .content p {
  font-size: 13px;
  color: #666;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Cases List Styles */
.cases-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cases-list-card {
  background: #fff;
  overflow: hidden;
  cursor: pointer;
}

.cases-list-card .image-wrapper {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.cases-list-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

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

.cases-list-card h3 {
  padding: 16px;
  font-size: 14px;
  color: #333;
  text-align: center;
  transition: color 0.3s;
}

.cases-list-card:hover h3 {
  color: #1e50ae;
}

/* Products List Styles */
.products-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.products-list-card {
  background: #fff;
  border: 1px solid #eee;
  overflow: hidden;
  cursor: pointer;
}

.products-list-card .image-wrapper {
  aspect-ratio: 1;
  overflow: hidden;
  border-bottom: 1px solid #eee;
}

.products-list-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

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

.products-list-card h3 {
  padding: 16px;
  font-size: 14px;
  color: #333;
  text-align: center;
  transition: color 0.3s;
}

.products-list-card:hover h3 {
  color: #1e50ae;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 32px;
}

.pagination button,
.pagination a {
  padding: 8px 12px;
  font-size: 13px;
  color: #666;
  border: 1px solid #ddd;
  background: #fff;
  transition: all 0.3s;
}

.pagination button:hover,
.pagination a:hover {
  border-color: #1e50ae;
  color: #1e50ae;
}

.pagination button.active,
.pagination a.active {
  background: #1e50ae;
  border-color: #1e50ae;
  color: #fff;
}

.pagination .page-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Contact Page Styles */
.contact-page-content {
  background: #fff;
  padding: 24px;
}

.contact-page-content h3 {
  font-size: 18px;
  font-weight: bold;
  color: #1e50ae;
  margin-bottom: 24px;
}

.contact-page-info {
  display: flex;
  gap: 40px;
  margin-bottom: 32px;
}

.contact-page-info .info-list {
  flex: 1;
}

.contact-page-info .info-list p {
  font-size: 14px;
  color: #666;
  margin-bottom: 16px;
}

.contact-page-info .info-list span {
  color: #1e50ae;
}

.contact-page-info .qr-code {
  text-align: center;
}

.contact-page-info .qr-code img {
  width: 120px;
  height: 120px;
}

.contact-page-info .qr-code p {
  font-size: 13px;
  color: #666;
  margin-top: 8px;
}

.contact-page-map {
  height: 400px;
  border-radius: 4px;
  overflow: hidden;
}

.contact-page-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* About Page Styles */
.about-tabs {
  display: flex;
  margin-bottom: 24px;
}

.about-tabs button {
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  background: #e8e8e8;
  color: #666;
  transition: all 0.3s;
}

.about-tabs button.active {
  background: #1e50ae;
  color: #fff;
}

.about-tab-content {
  display: none;
}

.about-tab-content.active {
  display: block;
}

.about-company {
  display: flex;
  gap: 32px;
}

.about-company .image-wrapper {
  flex: 0 0 45%;
  position: relative;
}

.about-company .image-wrapper::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  width: 60px;
  height: 60px;
  border-top: 4px solid #1e50ae;
  border-left: 4px solid #1e50ae;
}

.about-company .image-wrapper::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 60px;
  height: 60px;
  border-bottom: 4px solid #1e50ae;
  border-right: 4px solid #1e50ae;
}

.about-company img {
  width: 100%;
  height: auto;
}

.about-company .text-content {
  flex: 1;
}

.about-company .text-content h3 {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin-bottom: 16px;
}

.about-company .text-content p {
  font-size: 14px;
  color: #666;
  line-height: 2;
  text-align: justify;
}

.about-company .text-content a {
  color: #1e50ae;
}

.about-strategy p.intro {
  font-size: 14px;
  color: #666;
  line-height: 2;
  margin-bottom: 32px;
}

.about-strategy h4 {
  font-size: 15px;
  font-weight: bold;
  color: #333;
  margin-bottom: 24px;
}

.strategy-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.strategy-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.strategy-item .image-wrapper {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.strategy-item .image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.strategy-item .content h5 {
  font-size: 16px;
  font-weight: bold;
  color: #1e50ae;
  margin-bottom: 8px;
}

.strategy-item .content p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

/* Article Detail Styles */
.article-detail {
  background: #f5f5f5;
  padding: 40px 0;
}

.article-header {
  padding: 24px;
  border-bottom: 1px solid #eee;
}

.article-header h1 {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
}

.article-header .meta {
  font-size: 13px;
  color: #999;
}

.article-card {
  background: #fff;
  max-width: 1000px;
  margin: 24px auto;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.article-content {
  padding: 40px 60px;
}

.article-content h2 {
  font-size: 20px;
  font-weight: bold;
  color: #333;
  text-align: center;
  margin-bottom: 32px;
}

.article-content .text {
  font-size: 14px;
  color: #666;
  line-height: 2;
  text-align: justify;
  text-indent: 2em;
}

.article-content .signature {
  text-align: right;
  margin-top: 48px;
  font-size: 14px;
  color: #333;
}

.article-content .signature p {
  margin-bottom: 4px;
}

.article-footer {
  padding: 24px 60px;
  border-top: 1px dashed #ddd;
}

.share-box {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.share-box span {
  font-size: 13px;
  color: #666;
}

.share-box .icons {
  display: flex;
  gap: 8px;
}

.share-box .icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
}

.share-box .icon.wechat { background: #1aad19; }
.share-box .icon.weibo { background: #e6162d; }
.share-box .icon.qq { background: #1296db; }
.share-box .icon.qzone { background: #ffc000; }
.share-box .icon.douban { background: #00b51d; }
.share-box .icon.tieba { background: #4e6ef2; }

/* Product Detail Styles */
.product-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
  margin-bottom: 24px;
}

.product-detail-header h2 {
  font-size: 18px;
  font-weight: bold;
  color: #1e50ae;
  padding-left: 12px;
  border-left: 4px solid #1e50ae;
}

.product-detail-share {
  display: flex;
  align-items: center;
  gap: 16px;
}

.product-detail-share span {
  font-size: 13px;
  color: #666;
}

.product-detail-share .icons {
  display: flex;
  gap: 8px;
}

.product-detail-share .icon {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: #666;
}

.product-detail-share .icon img {
  width: 20px;
  height: 20px;
}

.product-detail-content {
  background: #fff;
  padding: 24px;
}

.product-detail-content h3 {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  text-align: center;
  margin-bottom: 24px;
}

.product-detail-content .main-image {
  text-align: center;
  margin-bottom: 24px;
}

.product-detail-content .main-image img {
  max-width: 100%;
  height: auto;
}

.product-detail-content .hotline {
  text-align: center;
  margin-bottom: 32px;
}

.product-detail-content .hotline a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 1px solid #ddd;
  font-size: 16px;
  color: #1e50ae;
  border-radius: 4px;
}

.product-detail-content .hotline a svg {
  width: 20px;
  height: 20px;
  fill: #1e50ae;
}

.product-tabs-nav {
  display: flex;
  border-bottom: 1px solid #eee;
}

.product-tabs-nav button {
  padding: 12px 24px;
  font-size: 14px;
  color: #666;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.3s;
}

.product-tabs-nav button.active {
  color: #1e50ae;
  border-bottom-color: #1e50ae;
}

/* Video Modal */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0,0,0,0.9);
  align-items: center;
  justify-content: center;
}

.video-modal.active {
  display: flex;
}

.video-modal .close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

.video-modal .video-wrapper {
  width: 100%;
  max-width: 900px;
  padding: 20px;
}

.video-modal video {
  width: 100%;
  height: auto;
  max-height: 80vh;
}

.video-modal .play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.video-modal .play-overlay .play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-modal .play-overlay .play-btn svg {
  width: 32px;
  height: 32px;
  fill: #fff;
  margin-left: 4px;
}

/* Floating Contact */
.floating-contact {
  position: fixed;
  right: 20px;
  bottom: 100px;
  z-index: 50;
}

.floating-contact .btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #1e50ae;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: background 0.3s;
}

.floating-contact .btn:hover {
  background: #1e5a8a;
}

.floating-contact .btn svg {
  width: 24px;
  height: 24px;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 40px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #666;
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s;
  z-index: 50;
}

.back-to-top.show {
  display: flex;
}

.back-to-top:hover {
  background: #333;
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .nav ul li a {
    padding: 12px 24px;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-image {
    flex: none;
    width: 100%;
  }
  
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer .container {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-contact {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid #2a3a4a;
    padding-top: 24px;
  }
  
  .page-content {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
  }
  
  .cases-list-grid,
  .products-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-company {
    flex-direction: column;
  }
  
  .about-company .image-wrapper {
    flex: none;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .header-top .container {
    height: 60px;
  }
  
  .logo-text .cn {
    font-size: 24px;
  }
  
  .logo-text .en {
    display: none;
  }
  
  .hotline {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1e50ae;
  }
  
  .nav.active {
    display: block;
  }
  
  .nav ul {
    flex-direction: column;
  }
  
  .nav ul li a {
    padding: 16px 20px;
    border-bottom: 1px solid #2a4a6f;
  }
  
  .banner {
    height: 300px;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .section-header h2 {
    font-size: 24px;
  }
  
  .product-grid,
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-card {
    padding: 24px;
  }
  
  .benefit-item {
    flex-direction: column;
    text-align: center;
  }
  
  .benefit-item .text {
    border-radius: 8px;
  }
  
  .contact-card {
    padding: 24px;
  }
  .contact-card{
    width:90%;
  }
  
  .cases-list-grid,
  .products-list-grid {
    grid-template-columns: 1fr;
  }
  
  .article-content {
    padding: 24px;
  }
  
  .strategy-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .contact-page-info {
    flex-direction: column;
  }
}
    /* 导航下拉菜单样式 */
    .nav ul li {
      position: relative;
    }
    .nav ul li .dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      min-width: 160px;
      background: #fff;
      box-shadow: 0 3px 10px rgba(0,0,0,0.15);
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: all 0.3s ease;
      z-index: 1000;
    }
    .nav ul li:hover .dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .nav ul li .dropdown a {
      display: block;
      color: #fff;
      font-size: 14px;
      transition: all 0.2s ease;
	  background-color:#1e50ae; 
    }
    .nav ul li .dropdown a:last-child {
      border-bottom: none;
    }
    .nav ul li .dropdown a:hover {
      background: #fff;
      color: #1e50ae;
    }