#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.slide-enter-active,
.slide-leave-active {
  transition: all 0.4s ease;
}

.slide-enter-from {
  opacity: 0;
  transform: translateY(20px);
}

.slide-leave-to {
  opacity: 0;
  transform: translateY(-20px);
}

.page-container {
  flex: 1;
}

.loading {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}

.loading::after {
  content: '';
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 3px solid #eee;
  border-top-color: #16b4b9;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 10px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: #999;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 40px;
  height: 40px;
  background: #16b4b9;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: all 0.3s;
}

.back-to-top:hover {
  background: #1f71c2;
  transform: translateY(-3px);
}

.breadcrumb {
  padding: 15px 0;
  background: #f8f8f8;
  border-bottom: 1px solid #eee;
}

.breadcrumb .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  color: #777;
  font-size: 13px;
}

.breadcrumb a {
  color: #555;
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #16b4b9;
}

.breadcrumb .separator {
  margin: 0 8px;
  color: #ccc;
}

.banner-swiper {
  margin-top: 145px;
  position: relative;
  width: 100%;
  height: 540px;
  overflow: hidden;
  background: #e6e6e6;
}

.banner-swiper .slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
}

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

.banner-swiper .dots {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  z-index: 10;
}

.banner-swiper .dots li {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin: 0 5px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s;
}

.banner-swiper .dots li.active {
  background: #16b4b9;
}

.arrow-navigation {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  height: 80px;
  z-index: 10;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arrow-navigation.left {
  left: 0;
}

.arrow-navigation.right {
  right: 0;
}

.arrow-navigation .arrow {
  width: 42px;
  height: 42px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.arrow-navigation.left .arrow {
  background: url(../images/arrow-left-light.png) center center no-repeat;
  background-size: contain;
}

.arrow-navigation.right .arrow {
  background: url(../images/arrow-right-light.png) center center no-repeat;
  background-size: contain;
}

.arrow-navigation:hover .arrow {
  opacity: 1;
}

.banner-swiper .arrows {
  position: absolute;
  top: 50%;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 10;
  pointer-events: none;
}

.banner-swiper .arrows span {
  width: 40px;
  height: 40px;
  background: rgba(0,0,0,0.4);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.3s;
  pointer-events: auto;
}

.banner-swiper .arrows span:hover {
  background: rgba(22,180,185,0.8);
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-list li {
  padding: 20px;
  background: #fff;
  margin-bottom: 15px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: all 0.3s;
  display: flex;
  gap: 20px;
}

.news-list li:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.news-list .news-date-box {
  width: 80px;
  height: 80px;
  background: #1f71c2;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}

.news-list .news-date-box .day {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
}

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

.news-list .news-info {
  flex: 1;
}

.news-list .news-info h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: #333;
}

.news-list .news-info h3 a {
  color: #333;
  text-decoration: none;
}

.news-list .news-info h3 a:hover {
  color: #16b4b9;
}

.news-list .news-info p {
  margin: 0;
  color: #888;
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.product-grid .item {
  background: #fff;
  overflow: hidden;
  transition: all 0.3s;
}

.product-grid .item:hover {
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.product-grid .item .thumb {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-grid .item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s;
}

.product-grid .item:hover .thumb img {
  transform: scale(1.05);
}

.product-grid .item .info {
  padding: 0;
  text-align: center;
}

.product-grid .item .info a {
  display: block;
  padding: 12px 15px;
  font-size: 14px;
  color: #333;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: all 0.3s;
}

.product-grid .item:hover .info a,
.product-grid .item .info a.active {
  background: #16b4b9;
  color: #fff;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 30px 0;
}

.pagination button {
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid #ddd;
  background: #fff;
  color: #555;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
  border-color: #16b4b9;
  color: #16b4b9;
}

.pagination button.active {
  background: #16b4b9;
  color: #fff;
  border-color: #16b4b9;
}

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

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
  color: #333;
}

.contact-form label .required {
  color: #e74c3c;
  margin-left: 2px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  transition: border-color 0.3s;
  box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #16b4b9;
  outline: none;
}

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

.contact-form .submit-btn {
  background: #16b4b9;
  color: #fff;
  border: none;
  padding: 12px 40px;
  font-size: 15px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}

.contact-form .submit-btn:hover {
  background: #12939a;
}

.contact-form .submit-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.contact-form .msg {
  padding: 12px;
  border-radius: 4px;
  margin-bottom: 15px;
  text-align: center;
}

.contact-form .msg.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.contact-form .msg.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.search-result-item {
  padding: 15px 0;
  border-bottom: 1px solid #eee;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item h4 {
  margin: 0 0 6px;
}

.search-result-item h4 a {
  color: #1f71c2;
  text-decoration: none;
  font-size: 16px;
}

.search-result-item h4 a:hover {
  text-decoration: underline;
}

.search-result-item .type-tag {
  display: inline-block;
  padding: 2px 8px;
  background: #16b4b9;
  color: #fff;
  font-size: 12px;
  border-radius: 3px;
  margin-left: 8px;
}

.search-result-item p {
  margin: 0;
  color: #888;
  font-size: 14px;
  line-height: 1.6;
}

.news-detail {
  max-width: 1200px;
  margin: 0 auto;
}

.news-detail .article-title {
  font-size: 24px;
  color: #333;
  margin-bottom: 15px;
  text-align: center;
}

.news-detail .article-meta {
  color: #999;
  font-size: 13px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
  margin-bottom: 20px;
  text-align: center;
}

.news-detail .article-link {
  margin-bottom: 20px;
  text-align: center;
}

.news-detail .article-link .btn-link {
  display: inline-block;
  padding: 10px 22px;
  background: #16b4b9;
  color: #fff;
  border-radius: 3px;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s;
}

.news-detail .article-link .btn-link:hover {
  background: #12939a;
}

.news-detail .article-content {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
}

.news-detail .article-content img {
  max-width: 100%;
  height: auto;
}

.news-detail .prev-next {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

.news-detail .prev-next p {
  margin: 8px 0;
  font-size: 14px;
  color: #666;
}

.news-detail .prev-next a {
  color: #1f71c2;
  text-decoration: none;
}

.product-detail {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.product-detail .gallery {
  flex: 1;
  min-width: 300px;
}

.product-detail .gallery .main-image {
  width: 100%;
  max-width: 500px;
  border: 1px solid #eee;
  border-radius: 4px;
  overflow: hidden;
}

.product-detail .gallery .main-image img {
  width: 100%;
  display: block;
}

.product-detail .info {
  flex: 1;
  min-width: 300px;
}

.product-detail .info h1 {
  font-size: 24px;
  color: #333;
  margin-bottom: 20px;
}

.product-detail .info .desc {
  color: #666;
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-detail .info .meta-item {
  display: flex;
  padding: 10px 0;
  border-bottom: 1px dashed #eee;
}

.product-detail .info .meta-item .label {
  width: 100px;
  color: #999;
  flex-shrink: 0;
}

.product-detail .info .meta-item .value {
  color: #333;
}

.product-detail .content {
  width: 100%;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid #eee;
}

.product-detail .content h3 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
}

@media (max-width: 768px) {
  .banner-swiper {
    height: 250px;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }
  
  .news-list li {
    flex-direction: column;
    gap: 12px;
  }
  
  .news-list .news-date-box {
    width: 60px;
    height: 60px;
  }
  
  .product-detail {
    flex-direction: column;
  }
}

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

.about-section h1 {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
}

.about-section .intro {
  max-width: 800px;
  margin: 0 auto;
  color: #666;
  line-height: 1.8;
  font-size: 15px;
}

.about-section .intro img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 20px 0;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.contact-info .card {
  background: #fff;
  padding: 25px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  text-align: center;
}

.contact-info .card .icon {
  width: 50px;
  height: 50px;
  background: #16b4b9;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 24px;
}

.contact-info .card h4 {
  margin: 0 0 8px;
  color: #333;
}

.contact-info .card p {
  margin: 0;
  color: #666;
  font-size: 14px;
}

.contact-info .card p .ci-link {
  color: #16b4b9;
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}

.contact-info .card p .ci-link:hover {
  border-bottom-color: #16b4b9;
}

.sidebar-cats {
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.sidebar-cats .title {
  background: #1f71c2;
  color: #fff;
  padding: 15px 20px;
  font-weight: bold;
}

.sidebar-cats ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-cats ul li a {
  display: block;
  padding: 12px 20px;
  color: #555;
  text-decoration: none;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.2s;
}

.sidebar-cats ul li a:hover,
.sidebar-cats ul li a.active {
  background: #16b4b9;
  color: #fff;
}

.sidebar-cats ul li ul {
  background: #fafafa;
}

.sidebar-cats ul li ul li a {
  padding-left: 35px;
  font-size: 13px;
}

.sidebar-cats ul li {
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.sidebar-cats ul li .cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.sidebar-cats ul li .cat-header a {
  flex: 1;
  min-width: 0;
  display: block;
  padding: 12px 0 12px 20px;
  color: #555;
  text-decoration: none;
  border-bottom: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-cats ul li .cat-header:hover,
.sidebar-cats ul li .cat-header.active {
  background: #16b4b9;
}

.sidebar-cats ul li .cat-header a.active {
  color: #fff;
}

.sidebar-cats ul li .cat-header:hover a:not(.active) {
  color: #fff;
}

.sidebar-cats ul li .cat-header .expand-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  padding: 12px 15px;
  background: url(../images/menu_tb1.png) center / 18px 18px no-repeat;
  font-size: 0;
  cursor: pointer;
  user-select: none;
}

.sidebar-cats ul li .cat-header:hover .expand-icon,
.sidebar-cats ul li .cat-header.active .expand-icon {
  background: url(../images/menu_tb2.png) center / 18px 18px no-repeat;
}

.two-col-layout {
  display: flex;
  gap: 25px;
  align-items: flex-start;
}

.two-col-layout .sidebar {
  width: 240px;
  flex-shrink: 0;
}

.two-col-layout .main-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 992px) {
  .two-col-layout {
    flex-direction: column;
  }
  
  .two-col-layout .sidebar {
    width: 100%;
  }
}

.h_cases {
  background: #f5f5f5;
  padding: 50px 0;
}

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

.case_list_home ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.case_item {
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s;
  text-decoration: none;
  display: block;
}

.case_item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.case_item .case_thumb {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

.case_item:hover .case_thumb img {
  transform: scale(1.05);
}

.case_item .case_info {
  padding: 15px;
}

.case_item .case_info h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case_item .case_info p {
  margin: 0 0 10px;
  font-size: 13px;
  color: #888;
  line-height: 1.5;
  height: 40px;
  overflow: hidden;
}

.case_item .case_meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: #999;
}

.h_gallery {
  background: #fff;
  padding: 50px 0;
}

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

.gallery_grid_home ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.gallery_item {
  background: #f9f9f9;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  transition: all 0.3s;
  text-decoration: none;
  display: block;
}

.gallery_item:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 12px rgba(0,0,0,0.12);
}

.gallery_item .gallery_thumb {
  width: 100%;
  height: 150px;
  overflow: hidden;
}

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

.gallery_item:hover .gallery_thumb img {
  transform: scale(1.05);
}

.gallery_item .gallery_info {
  padding: 12px;
}

.gallery_item .gallery_info h3 {
  margin: 0 0 5px;
  font-size: 14px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gallery_item .gallery_info p {
  margin: 0;
  font-size: 12px;
  color: #888;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.more_link a {
  display: inline-block;
  padding: 10px 30px;
  background: #16b4b9;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s;
}

.more_link a:hover {
  background: #12939a;
}

.case_list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.case_list .case_item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s;
  text-decoration: none;
  display: block;
}

.case_list .case_item:hover {
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.case_list .case_thumb {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

.case_list .case_item:hover .case_thumb img {
  transform: scale(1.05);
}

.case_list .case_info {
  padding: 15px;
}

.case_list .case_info h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #333;
}

.case_list .case_info p {
  margin: 0 0 10px;
  font-size: 13px;
  color: #888;
  line-height: 1.5;
  height: 40px;
  overflow: hidden;
}

.case_list .case_meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: #999;
}

.gallery_grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}

.gallery_grid .gallery_item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s;
  text-decoration: none;
  display: block;
}

.gallery_grid .gallery_item:hover {
  box-shadow: 0 5px 12px rgba(0,0,0,0.1);
}

.gallery_grid .gallery_thumb {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

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

.gallery_grid .gallery_item:hover .gallery_thumb img {
  transform: scale(1.05);
}

.gallery_grid .gallery_info {
  padding: 12px;
}

.gallery_grid .gallery_info h3 {
  margin: 0 0 5px;
  font-size: 15px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gallery_grid .gallery_info p {
  margin: 0;
  font-size: 13px;
  color: #888;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case_detail_thumb {
  text-align: center;
  margin-bottom: 20px;
}

.case_detail_thumb img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.case_detail_content {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
}

.case_detail_content p {
  margin: 10px 0;
}

.gallery_detail_image {
  text-align: center;
  margin-bottom: 20px;
}

.gallery_detail_image img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.gallery_detail_desc {
  padding: 15px;
  background: #f9f9f9;
  border-radius: 4px;
  margin-bottom: 20px;
}

.gallery_detail_desc p {
  margin: 0;
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.meta_info {
  margin-top: 10px;
  font-size: 13px;
  color: #999;
}

.meta_info span {
  margin-right: 15px;
}

.category_list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category_list li {
  padding: 12px 15px;
  border-bottom: 1px solid #f0f0f0;
  cursor: pointer;
  transition: all 0.2s;
  color: #555;
}

.category_list li:hover,
.category_list li.active {
  background: #16b4b9;
  color: #fff;
}

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

@media (max-width: 768px) {
  .h_cases_in,
  .h_gallery_in {
    padding: 0 15px;
  }
  
  .case_list_home ul,
  .gallery_grid_home ul {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }
  
  .case_list,
  .gallery_grid {
    grid-template-columns: 1fr;
  }
}

.video-intro {
  padding: 20px;
  background: #f8f9fa;
  border-radius: 4px;
  margin-bottom: 30px;
}

.video-intro p {
  color: #666;
  font-size: 14px;
  line-height: 1.8;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.video-item {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: all 0.3s;
}

.video-item:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transform: translateY(-4px);
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
}

.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-info {
  padding: 20px;
}

.video-info h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: #333;
  line-height: 1.4;
}

.video-info p {
  margin: 0;
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-link:hover {
  text-decoration: none;
}

.logo-img {
  max-height: 50px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

@media (max-width: 768px) {
  .logo-img {
    max-height: 35px;
  }
  .logo-text {
    font-size: 14px;
  }
}

/* ===== 首页技术文章 ===== */
.h_tech_wrap {
  background: #fff;
  padding: 55px 0 35px;
}

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

.tech_bd {
  display: flex;
  gap: 20px;
  margin-top: 35px;
}

/* 左侧特推文章 */
.tech_feat {
  width: 46%;
  flex-shrink: 0;
  background: #f7f8fa;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.tech_feat:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.tech_feat_img {
  display: block;
  height: 300px;
  overflow: hidden;
}

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

.tech_feat:hover .tech_feat_img img {
  transform: scale(1.05);
}

.tech_feat_con {
  padding: 20px 22px 18px;
}

.tech_feat_con p {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.tech_feat_con p a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}

.tech_feat_con p a:hover {
  color: #16b4b9;
}

.tech_feat_con span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px;
  color: #999;
  line-height: 1.8;
  margin-top: 10px;
}

.tech_feat_con em {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: #bbb;
  margin-top: 12px;
}

/* 右侧文章列表 */
.tech_list {
  flex: 1;
  min-width: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.tech_list li {
  display: flex;
  align-items: center;
  background: #f7f8fa;
  padding: 16px 20px;
  transition: background 0.3s;
  cursor: pointer;
}

.tech_list li:hover {
  background: #16b4b9;
}

.tech_date {
  width: 66px;
  flex-shrink: 0;
  text-align: center;
  background: #e8ecef;
  padding: 8px 0;
  margin-right: 18px;
  transition: background 0.3s;
}

.tech_date strong {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: #555;
  line-height: 1.15;
  transition: color 0.3s;
}

.tech_date span {
  display: block;
  font-size: 12px;
  color: #999;
  margin-top: 2px;
  transition: color 0.3s;
}

.tech_con {
  flex: 1;
  min-width: 0;
}

.tech_con p {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.tech_con p a {
  color: #333;
  text-decoration: none;
}

.tech_con span {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px;
  color: #999;
  line-height: 1.7;
  margin-top: 6px;
  transition: color 0.3s;
}

/* hover 整条变 teal，文字/日期块反转 */
.tech_list li:hover .tech_date {
  background: rgba(255, 255, 255, 0.25);
}

.tech_list li:hover .tech_date strong {
  color: #fff;
}

.tech_list li:hover .tech_date span {
  color: rgba(255, 255, 255, 0.85);
}

.tech_list li:hover .tech_con p,
.tech_list li:hover .tech_con p a {
  color: #fff;
}

.tech_list li:hover .tech_con span {
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 992px) {
  .tech_bd {
    flex-direction: column;
  }
  .tech_feat {
    width: 100%;
  }
  .tech_feat_img {
    height: 220px;
  }
}

/* ===== 联系页信息条（圆图标横排） ===== */
.contact-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 64px;
  padding: 14px 0 34px;
}

.cb-item {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 230px;
}

.cb-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #f2f6fb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cb-icon svg {
  width: 24px;
  height: 24px;
  stroke: #2f7ce5;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cb-text {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.cb-title {
  font-size: 13px;
  color: #9aa3ad;
}

.cb-value {
  font-size: 15px;
  color: #333;
  text-decoration: none;
  word-break: break-all;
  transition: color 0.3s;
}

a.cb-value:hover {
  color: #16b4b9;
}

@media (max-width: 768px) {
  .contact-bar {
    gap: 20px 28px;
    padding-bottom: 24px;
  }
  .cb-item {
    min-width: 100%;
  }
}