.hero-banner {
  position: relative;
  height: 500px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero-swiper {
  width: 100%;
  height: 100%;
}

.hero-swiper .swiper-wrapper {
  height: 100%;
}

.hero-swiper .swiper-slide {
  position: relative;
  overflow: hidden;
  height: 100%;
}

.hero-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.slide-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-light);
  z-index: 2;
  width: 90%;
  max-width: 700px;
}

.slide-content h2 {
  font-size: 46px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.slide-content p {
  font-size: 32px;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.slide-content .btn {
  font-size: 16px;
  padding: var(--spacing-md) var(--spacing-xl);
}

.hero-swiper .swiper-pagination {
  bottom: 30px;
}

.hero-swiper .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background-color: rgba(255, 255, 255, 0.5);
  opacity: 1;
}

.hero-swiper .swiper-pagination-bullet-active {
  background-color: var(--text-light);
}

.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  color: var(--text-light);
  width: 50px;
  height: 50px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
}

.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after {
  font-size: 20px;
}

.product-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.product-card a {
  display: block;
}

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

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.product-intro {
  padding: var(--spacing-md);
}

.product-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.product-title a {
  color: inherit;
}

.product-title a:hover {
  color: var(--primary-color);
}

.product-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.services-section {
  background-color: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.service-card {
  display: flex;
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
}

.service-card .product-image {
  width: 50%;
  height: auto;
  min-height: 250px;
}

.service-card .product-intro {
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-lg);
}

.service-card .product-title {
  font-size: 20px;
  margin-bottom: var(--spacing-md);
}

.service-card .product-description {
  margin-bottom: var(--spacing-lg);
  -webkit-line-clamp: 3;
}

.service-more {
  margin-top: auto;
}

.service-more .btn {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
}

.service-more .btn:hover {
  background-color: var(--primary-dark);
}

.products-section {
  padding: var(--spacing-2xl) 0;
}

.products-slider .swiper-slide {
  height: auto;
}

.products-slider .product-card {
  height: 100%;
}

.products-slider .swiper-button-prev,
.products-slider .swiper-button-next {
  color: var(--primary-color);
  width: 40px;
  height: 40px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.products-slider .swiper-button-prev::after,
.products-slider .swiper-button-next::after {
  font-size: 18px;
}

.cases-section {
  background-color: var(--bg-secondary);
  padding: var(--spacing-2xl) 0;
}

.about-section {
  background-color: var(--bg-primary);
  padding: var(--spacing-2xl) 0;
}

.about-content-wrapper {
  display: flex;
  align-items: stretch;
  gap: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.about-text {
  flex: 1;
  text-align: center;
  background-color: var(--bg-secondary);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-title {
  font-size: 42px;
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  letter-spacing: 8px;
}

.about-description {
  font-size: 14px;
  line-height: 2;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.about-image {
  flex: 1;
  max-width: 50%;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.case-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.case-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.case-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0);
  transition: background-color var(--transition-base);
  z-index: 1;
}

.case-card:hover::before {
  background-color: rgba(0, 0, 0, 0.3);
}

.cases-more {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.team-section {
  padding: var(--spacing-2xl) 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

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

.team-card .image-holder {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.team-card .image-holder img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.team-card .hover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(30, 58, 138, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.team-card:hover .hover-overlay {
  opacity: 1;
}

.team-card .hover-overlay p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.8;
}

.team-card .member-info h4 {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.team-card .member-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

.testimonials-section {
  background-color: #e0e4e7;
  padding: var(--spacing-2xl) 0;
}


.testimonial-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  background-color: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.testimonial-card .testimonial-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-card .testimonial-content {
  flex: 1;
}

.testimonial-card .testimonial-content h3 {
  font-size: 18px;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.testimonial-card .testimonial-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.testimonials-slider .swiper-pagination {
  position: relative;
  margin-top: var(--spacing-lg);
}

.testimonials-slider .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  opacity: 1;
}

.testimonials-slider .swiper-pagination-bullet-active {
  background-color: var(--text-light);
}

.news-section {
  padding: var(--spacing-2xl) 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.news-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.news-card .news-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.news-card .news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.news-card .news-date {
  position: absolute;
  bottom: var(--spacing-md);
  left: var(--spacing-md);
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  text-align: center;
}

.news-card .news-date b {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.news-card .news-date span {
  font-size: 12px;
  text-transform: uppercase;
}

.news-card .news-content {
  padding: var(--spacing-md);
}

.news-card .news-content h2 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.news-card .news-content h2 a {
  color: var(--text-primary);
}

.news-card .news-content h2 a:hover {
  color: var(--primary-color);
}

.news-card .news-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 12px;
  color: var(--text-tertiary);
}

.news-card .news-meta .news-date-text {
  margin-left: auto;
}

.news-card .news-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
}

.column-nav {
  background-color: var(--bg-secondary);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.column-nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.column-nav-list li a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.column-nav-list li a:hover,
.column-nav-list li a.active {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.sidebar-widget {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-color);
}

.sidebar-widget ul li {
  margin-bottom: var(--spacing-sm);
}

.sidebar-widget ul li a {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px dashed var(--border-color);
  transition: color var(--transition-fast);
}

.sidebar-widget ul li a:hover {
  color: var(--primary-color);
}

.sidebar-widget ul li a i {
  margin-right: var(--spacing-sm);
  font-size: 12px;
}

.sidebar-search {
  position: relative;
}

.sidebar-search input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-right: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
}

.sidebar-search button {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 40px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.product-grid .product-card {
  margin-bottom: 0;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.pagination span,
.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  transition: all var(--transition-fast);
}

.pagination a:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
}

.pagination .active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
}

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

.search-modal .modal-content {
  background-color: transparent;
  border: none;
}

.search-modal .modal-body {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
}

.search-modal .close {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--text-light);
  background-color: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  opacity: 1;
  border: none;
}

.search-modal .close:hover {
  background-color: var(--primary-dark);
  color: var(--text-light);
  opacity: 1;
}

.search-modal .close span {
  display: none;
}

.search-modal .close::before {
  content: "×";
  font-size: 24px;
  line-height: 1;
}

.search-modal .search-form {
  position: relative;
}

.search-modal .search-form input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-right: 60px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 16px;
}

.search-modal .search-form input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.search-modal .search-form button {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: var(--radius-md);
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100vh;
  background-color: #1a1a1a;
  z-index: 1100;
  transition: left 0.3s ease;
  overflow-y: auto;
}

.mobile-nav.active {
  left: 0;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid #333;
}

.mobile-nav-logo img {
  max-height: 40px;
}

.mobile-nav-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-nav-close:hover {
  color: var(--primary-color);
}

.mobile-nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav-menu > li {
  border-bottom: 1px solid #333;
}

.mobile-nav-menu > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  color: #fff;
  font-size: 15px;
  text-decoration: none;
}

.mobile-nav-menu > li > a:hover {
  color: var(--primary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

.mobile-nav-menu > li > a i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.mobile-nav-menu > li.open > a i {
  transform: rotate(180deg);
}

.mobile-nav-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: #222;
  display: none;
}

.mobile-nav-menu > li.open > ul {
  display: block;
}

/* 二级菜单项 */
.mobile-nav-menu ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + var(--spacing-md));
  color: #aaa;
  font-size: 14px;
  text-decoration: none;
}

.mobile-nav-menu ul li a:hover {
  color: var(--primary-color);
  background-color: rgba(255, 255, 255, 0.03);
}

/* 三级菜单容器 */
.mobile-nav-menu ul ul {
  background-color: #1a1a1a;
  display: none;
}

/* 三级菜单项 */
.mobile-nav-menu ul ul li a {
  padding-left: calc(var(--spacing-lg) + var(--spacing-md) * 2);
  font-size: 13px;
  color: #888;
}

/* 二级菜单中的 has-submenu 样式 */
.mobile-nav-menu ul .has-submenu > a i {
  font-size: 10px;
  transition: transform 0.3s ease;
}

.mobile-nav-menu ul .has-submenu.open > a i {
  transform: rotate(180deg);
}

.mobile-nav-menu ul .has-submenu.open > ul {
  display: block;
}

.page-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.page-mask.active {
  opacity: 1;
  visibility: visible;
}

body.menu-open {
  overflow: hidden;
}