* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
 }

 body {
     background: linear-gradient(135deg, #ecf0f1);
     min-height: 100vh;
 }

 /* 全宽度导航栏 */
 .navbar {
     background-color: white;
     width: 100%;
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
     position: relative;
 }

 .nav-container {
     display: flex;
     justify-content: space-between;
     align-items: center;
     height: 70px;
     max-width: 1400px;
     margin: 0 auto;
     padding: 0 20px;
 }

 .logo {
     height: 50px;
     width: auto;
 }

 .nav-menu {
     display: flex;
     list-style: none;
     transition: all 0.4s ease;
 }

 .nav-item {
     padding: 0 52.5px;
 }

 .nav-link {
     color: #3498db;
     text-decoration: none;
     font-size: 1.1rem;
     font-weight: 600;
     padding: 10px 5px;
     position: relative;
     transition: all 0.3s ease;
     display: flex;
     align-items: center;
 }

 .nav-link i {
     margin-right: 8px;
     font-size: 1.2rem;
 }

 .nav-link:hover {
     color: #7f8c8d;
 }

 .nav-link::after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 0;
     width: 0;
     height: 3px;
     background-color: #7f8c8d;
     transition: width 0.3s ease;
 }

 .nav-link:hover::after {
     width: 100%;
 }





 .logo-container {
     display: flex;
     justify-content: center;
     align-items: center;
     height: 100%;
 }


 .logo-img {
     height: 40px;
     width: auto;
     transition: transform 0.3s ease;
 }

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

 .lang-toggle {
     background: none;
     border: none;
     color: #3498db;
     font-size: 1.1rem;
     font-weight: 600;
     padding: 10px 15px;
     cursor: pointer;
     position: relative;
     transition: all 0.3s ease;
     display: flex;
     align-items: center;
     margin-left: 15px;
     border-radius: 5px;
     background-color: rgba(52, 152, 219, 0.1);
 }

 .lang-toggle:hover {
     background-color: rgba(52, 152, 219, 0.2);
     color: #2c3e50;
 }

 .lang-toggle i {
     font-size: 1.2rem;
 }

 .lang-toggle::after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 0;
     width: 0;
     height: 3px;
     background-color: #7f8c8d;
     transition: width 0.3s ease;
 }

 .lang-toggle:hover::after {
     width: 100%;
 }

 .hamburger {
     display: none;
     cursor: pointer;
     background: none;
     border: none;
     outline: none;
 }

 .bar {
     display: block;
     width: 25px;
     height: 3px;
     margin: 5px auto;
     background-color: #3498db;
     transition: all 0.3s ease;
 }

 /* 响应式设计 */
 @media (max-width: 1024px) {
     .nav-item {
         padding: 0 22px;
     }

     .nav-link {
         font-size: 1rem;
     }
 }

 @media (max-width: 992px) {
     .nav-item {
         padding: 0 10px;
     }

     .nav-link {
         font-size: 1rem;
     }
 }

 @media (max-width: 768px) {
     .nav-menu {
         position: absolute;
         left: 0;
         top: 70px;
         flex-direction: column;
         width: 100%;
         background-color: white;
         box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
         text-align: center;
         padding: 20px 0;
         transform: translateY(-150%);
         z-index: -1;
         opacity: 0;
     }

     .nav-menu.active {
         transform: translateY(0);
         opacity: 1;
         z-index: 100;
     }

     .nav-item {
         margin: 15px 0;
     }

     .hamburger {
         display: block;
     }

     .hamburger.active .bar:nth-child(1) {
         transform: translateY(8px) rotate(45deg);
     }

     .hamburger.active .bar:nth-child(2) {
         opacity: 0;
     }

     .hamburger.active .bar:nth-child(3) {
         transform: translateY(-8px) rotate(-45deg);
     }


 }

 @media (max-width: 480px) {
     .logo-img {
         height: 40px;
     }
 }



 footer {
     background: linear-gradient(90deg,
             #454f57 0%,
             #454f57 77.66%,
             #7f8c8d 77.66%,
             #7f8c8d 100%);
     color: white;
     padding: 40px 20px;
     text-align: center;
 }

 .footer-content {
     max-width: 1700px;
     margin: 0 auto;
     display: flex;
     flex-wrap: wrap;
     justify-content: space-between;
     gap: 30px;
 }

 .footer-section {
     flex: 1 1 100px;
     text-align: left;
 }

 .footer-section h3 {
     font-size: 1.5rem;
     margin-bottom: 20px;
     color: #f8f9fa;
 }

 .footer-section p {
     font-weight: 400;
     margin-bottom: 15px;
     color: #e7f1f7cf;
 }

 .footer-section2 {
     position: relative;
     background: rgba(255, 255, 255, 0.3);
     background-size: cover;
     padding: 0px 50px;
     border-radius: 5px;

 }

 .footer-section2::after {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     z-index: -1;
 }


 .footer-section a {


     color: #4caff1;

     transition: all 0.3s ease;
 }

 .footer-section a:hover {
     color: white;
 }

 .social-links {
     display: flex;
     gap: 15px;
     margin-top: 20px;
 }

 .social-links a {
     display: inline-block;
     width: 40px;
     height: 40px;
     background-color: #3498db;
     border-radius: 50%;
     color: white;
     text-align: center;
     line-height: 40px;
     transition: all 0.3s ease;
 }

 .social-links a:hover {
     transform: translateY(-5px);
     background-color: #2c3e50;
 }

 .copyright {
     margin-top: 40px;
     padding-top: 20px;
     border-top: 1px solid rgba(255, 255, 255, 0.1);
     color: #bdc3c7;
 }

 .main-bg-container {
     width: 100%;
     height: 500px;
     position: relative;
     overflow: hidden;
 }

 .main-bg-image {
     width: 100%;
     height: 100%;
     object-fit: cover;
     position: absolute;
     top: 0;
     left: 0;
     z-index: 1;
 }

 /* 动态透明文本框 */
 .dynamic-text-panel {
     position: absolute;
     left: 0;
     bottom: 0;
     width: 50%;
     height: 63.333%;
     /* 图片高度的1/3 */
     background: rgba(4, 67, 82, 0.35);
     backdrop-filter: blur(1px);
     padding: 10px;
     z-index: 2;
     display: flex;
     flex-direction: column;
     justify-content: center;
     transform: translateY(100%);
     animation: slideUp 1.2s cubic-bezier(0.23, 1, 0.32, 1) forwards;
     animation-delay: 0.3s;
     border-top-right-radius: 20px;
     box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
 }

 @keyframes slideUp {
     from {
         transform: translateY(100%);
         opacity: 0;
     }

     to {
         transform: translateY(0);
         opacity: 1;
     }
 }



 .dynamic-text-panel p {
     font-size: 3rem;
     font-weight: 500;
     color: #e0e0e0;
     max-width: 90%;
     line-height: 1.6;
 }


 /* 响应式设计 */
 @media (max-width: 992px) {
     .dynamic-text-panel {
         width: 60%;
     }



     .dynamic-text-panel p {
         font-size: 2rem;
     }
 }

 @media (max-width: 768px) {
     .main-bg-container {
         height: 800px;
     }

     .dynamic-text-panel {
         width: 100%;
         height: 40%;
         padding: 30px;
     }

     .dynamic-text-panel h1 {
         font-size: 2.2rem;
     }

     .dynamic-text-panel p {
         font-size: 2rem;
     }

     .section-heading {
         font-size: 2rem;
     }
 }

 @media (max-width: 480px) {
     .main-bg-container {
         height: 600px;
     }

     .dynamic-text-panel {
         padding: 15px;
         height: 45%;
     }

     .dynamic-text-panel h1 {
         font-size: 1.8rem;
     }

     .dynamic-text-panel p {
         font-size: 2rem;
     }



 }

 .card-icon {
     background-color: #fafbfb;
     color: #e5e9ed;
     min-width: 35px;
     display: ruby-base-container;
     place-items: center;
     border-radius: var(--radius-15) 0;
     transition: var(--transition-1);
 }

 .card-icon {
     border-radius: 0;
     border-radius: var(--radius-5);
     background-color: var(--smoky-black);
 }



 .image-frame {
     width: 100%;
     max-width: 100%;
     background: linear-gradient(135deg, #3498db, #2980b9);
     box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
     overflow: hidden;
     position: relative;
 }

 /* 顶部标题 */
 .frame-header {
     text-align: center;
     padding: 40px 20px;
     background: rgba(0, 0, 0, 0.1);
 }

 .frame-title {
     color: white;
     font-size: 2rem;
     margin-bottom: 15px;
     text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
 }

 .frame-subtitle {
     color: rgba(255, 255, 255, 0.9);
     text-align: left;
     font-size: 1.5rem;
     max-width: 1500px;
     margin: 0 auto;
     line-height: 1.6;
 }

 /* 图片展示区 */
 .image-showcase {
     position: relative;
     padding: 40px 80px;
     background: white;
     margin: 0 80px 40px;
 }

 .images-container {
     display: flex;
     justify-content: space-between;
     gap: 30px;
     margin-bottom: 30px;
     position: relative;
     min-height: 50%;
 }

 .image-card {
     flex: 1;
     min-width: 0;
     overflow: hidden;
     transition: all 0.4s ease;
     position: absolute;
     opacity: 0;
     transform: translateY(20px);
     z-index: 1;
 }

 .image-card.active {
     position: relative;
     opacity: 1;
     transform: translateY(0);
     z-index: 2;
 }

 .image-link {
     display: block;
     text-decoration: none;
     color: inherit;
 }

 .image-wrapper {
     height: 400px;
     width: 500px;
     overflow: hidden;
     position: relative;

 }

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

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

 .image-wrapper2 {
     width: 80%;
     height: 800px;
     overflow: hidden;
     position: relative;
 }

 .image-wrapper2 img {
     width: 100%;
     height: 100%;
     position: absolute;
     top: 0;
     left: 0;
     object-fit: cover;
     background-size: cover;
     transition: transform 0.5s ease;
 }

 .image-card:hover .image-wrapper2 img {
     transform: scale(1.05);
 }

 .image-wrapper3 {
     width: 980px;
     height: 900px;
     position: relative;
     margin-right: 30rem;
 }

 .image-wrapper3 img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.5s ease;
 }

 .image-card:hover .image-wrapper3 img {
     transform: scale(1.05);
 }

 .image-card:hover .image-wrapper4 img {
     transform: scale(1.05);
 }

 .image-wrapper4 {
     width: 800px;
     height: 400px;
     overflow: hidden;
     position: relative;
 }

 .image-wrapper4 img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.5s ease;
 }

 .image-card:hover .image-wrapper4 img {
     transform: scale(1.05);
 }

 .image-info {
     padding: 20px;
     background: white;
 }

 .image-title {
     font-size: 1.8rem;
     text-align: center;
     margin-bottom: 10px;
     color: #3498db;
     transition: color 0.3s ease;
 }

 .image-link:hover .image-title {
     color: #2c3e50;
 }

 .image-description {
     font-size: 1.1rem;
     color: #7f8c8d;
     line-height: 1.4;
 }

 /* 导航按钮 */
 .nav-buttons {
     display: flex;
     justify-content: center;
     gap: 20px;
     margin-top: 20px;
     position: relative;
     z-index: 10;
 }

 .nav-btn {
     width: 60px;
     height: 50px;
     background-color: rgba(0, 0, 0, 0);
     border: none;
     border-radius: 50%;
     cursor: pointer;
     display: flex;
     justify-content: center;
     align-items: center;
     transition: all 0.3s ease;
     position: relative;
 }

 .nav-btn:hover {
     background: rgba(41, 128, 185, 1);
     transform: scale(1.1);
 }

 /* 纯CSS三角形按钮 */
 .triangle {
     width: 0;
     height: 0;
     border-style: solid;
 }

 .triangle-left {
     border-width: 15px 20px 15px 0;
     border-color: transparent white transparent transparent;
 }

 .triangle-right {
     border-width: 15px 0 15px 20px;
     border-color: transparent transparent transparent white;
 }

 /* 响应式设计 */
 @media (max-width: 992px) {
     .frame-title {
         font-size: 3rem;
     }

     .nav-btn {
         width: 50px;
         height: 70px;
     }

     .image-wrapper {
         height: 250px;
     }

     .image-wrapper2 {
         height: 250px;
     }

     .image-wrapper3 {
         height: 150px;
         width: 300px;

     }

     .image-wrapper4 {
         height: 150px;
     }
 }

 @media (max-width: 768px) {
     .image-showcase {
         padding: 30px;
         margin: 0 20px 30px;
     }

     .frame-title {
         font-size: 2.5rem;
     }

     .frame-subtitle {
         font-size: 1.3rem;
     }

     .nav-btn {
         width: 50px;
         height: 60px;
     }

     .images-container {
         flex-direction: column;
         gap: 30px;
         min-height: 1050px;
     }

     .image-card {
         position: relative;
         opacity: 1;
         transform: translateY(0);
     }

     .image-card.active {
         position: relative;
     }

     .image-title {
         font-size: 1.6rem;
     }

     .image-wrapper3 {
         height: 150px;
         width: 300px;
         position: relative;
         margin-right: 0;
     }
 }

 @media (max-width: 576px) {
     .frame-header {
         padding: 30px 20px;
     }

     .frame-title {
         font-size: 2rem;
     }

     .frame-subtitle {
         font-size: 1.1rem;
     }

     .image-showcase {
         padding: 20px;
         margin: 0 15px 20px;
     }

     .image-wrapper {
         height: 300px;
     }

     .image-wrapper2 {
         height: 300px;
     }

     .image-wrapper3 {
         width: 300px;
         height: 240px;
     }



     .image-wrapper4 {
         max-width: 300px;
         height: 30px;
         margin: 8rem 10rem 0 0rem;
     }

     .image-title {
         font-size: 1.4rem;
     }

     .image-description {
         font-size: 1rem;
     }

     .nav-btn {
         width: 50px;
         height: 50px;
     }



     /* 调整小屏幕上的三角形大小 */
     .triangle-left {
         border-width: 12px 16px 12px 0;
     }

     .triangle-right {
         border-width: 12px 0 12px 16px;
     }
 }





 .image-layout-frame {
     width: 100%;
     max-width: 100%;
     background: white;
     overflow: hidden;
     padding: 10px 0px 80px 0px;
 }



 /* 图片容器 */
 .image-container {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     grid-template-rows: auto auto;
     gap: 20px;
     position: relative;
 }

 .image-box {
     transition: all 0.4s ease;
     position: relative;
     color: white;
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     text-align: center;
     padding: 20px;
 }

 .image-box:hover {
     transform: translateY(-5px);
 }

 .image-number {
     font-size: 3rem;
     font-weight: bold;
     margin-bottom: 10px;
     text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
 }

 .image-title {
     font-size: 1.5rem;
     margin-bottom: 10px;
 }

 .image-description {
     font-size: 1rem;
     opacity: 0.9;
     max-width: 300px;
 }

 /* 特定图片定位 */
 .image-1 {
     grid-column: 1;
     grid-row: 1;
     width: 700px;
     height: 550px;
 }

 .image-2 {
     grid-column: 2;
     grid-row: 1;
     width: 600px;
     height: 350px;
 }

 .image-3 {
     grid-column: 3;
     grid-row: 1;
     width: 900px;
     height: 950px;
     margin-right: 12rem;
 }

 .image-4 {
     grid-column: 1 / span 2;
     grid-row: 2;
     height: 120px;
     margin: -120px 0px 0px 80px;
     max-width: calc(100% - 20px);
     /* 确保不超过图片3的宽度 */
 }

 /* 响应式设计 - 移动设备 */
 @media (max-width: 992px) {
     .image-container {
         display: block;
         flex-direction: column;
         gap: 20px;
     }

     .image-box {
         width: 100%;
         height: 200px;
     }
 }

 @media (max-width: 768px) {
     .image-container {
         display: flex;
         flex-direction: column;
         gap: 20px;
     }

     .image-box {
         width: 100%;
         height: 200px;
     }

     .image-4 {
         max-width: 100%;
     }
 }

 /* 布局说明 */
 .layout-description {
     text-align: center;
     margin-top: 30px;
     color: #7f8c8d;
     font-size: 1.1rem;
     padding: 15px;
     background: rgba(0, 0, 0, 0.05);
     border-radius: 8px;
     line-height: 1.6;
 }



 /* 框架容器 - 使用新命名 */
 .dual-image-container {
     width: 100%;
     max-width: 100%;
     background: white;

 }







 .pic-frame-container {
     width: 100%;
     max-width: 100%;
     background: rgba(255, 255, 255, 0.1);
     padding: 20px;
 }

 /* 图片容器 - 独特命名 */
 .pic-pair-wrapper {
     display: flex;
     justify-content: space-between;
     gap: 20px;
 }

 /* 图片样式 - 独特命名 */
 .pic-item {
     flex: 1;
     min-width: 0;
     overflow: hidden;
 }

 .pic-item img {
     width: 100%;
     height: auto;
     display: block;
     overflow: hidden;
 }



 /* 响应式设计 - 移动设备 */
 @media (max-width: 768px) {
     .pic-pair-wrapper {
         flex-direction: column;
         gap: 15px;
     }
 }

 /* 极简响应式缩放 */
 @media (max-width: 1200px) {
     .pic-frame-container {
         padding: 15px;
     }
 }

 @media (max-width: 992px) {
     .pic-frame-container {
         padding: 12px;
     }
 }

 @media (max-width: 576px) {
     .pic-frame-container {
         padding: 10px;
     }
 }



 .layout-container {
     max-width: 100%;
     margin: 0 auto;
     background: white;
     overflow: hidden;
 }

 /* 头部区域 - 唯一命名 */





 /* 主要内容区域 - 唯一命名 */
 .content-wrapper {
     display: flex;
     padding: 30px;
     gap: 40px;
 }

 /* 左侧内容区域 - 唯一命名 */
 .text-content-section {
     flex: 1;
     padding-left: 10rem;
 }



 .content-block {
     margin-bottom: 30px;
 }

 .content-block h3 {
     font-size: 1.5rem;
     margin-bottom: 15px;
     color: #2c3e50;
 }

 .content-block p {
     font-weight: 600;
     font-size: 1.1rem;
     color: #333;
     margin-bottom: 10px;
     text-align: left;
 }

 /* 右侧图片区域 - 唯一命名 */
 .image-display-section {
     flex: 1;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 .feature-image {
     width: 50%;
     height: auto;
 }


 /* 响应式设计 */
 @media (max-width: 992px) {
     .content-wrapper {
         flex-direction: column;
         gap: 30px;
     }

     .text-content-section {
         flex: 1;
         padding-left: 0;
     }

     .image-display-section {
         order: -1;
         /* 图片移动到上方 */
     }



 }

 @media (max-width: 768px) {

     .text-content-section {
         flex: 1;
         padding-left: 0;
     }




     .content-wrapper {
         padding: 20px;
     }



     .content-block h3 {
         font-size: 1.3rem;
     }
 }

 @media (max-width: 480px) {

     .text-content-section {
         flex: 1;
         padding-left: 0;
     }


     .content-block h3 {
         font-size: 1.2rem;
     }

     .content-block p {
         font-size: 1rem;
     }
 }



 .gallery-container {
     max-width: 100%;
     margin: 0 auto;
     background: white;

 }

 /* 标题区域 */
 .gallery-header {
     text-align: center;
     padding: 30px;
     background: linear-gradient(135deg, #3498db, #2c3e50);
     color: white;
 }

 .gallery-title {
     font-size: 2.5rem;
     margin-bottom: 15px;
 }

 .gallery-subtitle {
     font-size: 1.2rem;
     opacity: 0.9;
 }

 /* 图片容器 */
 .image-gallery {
     display: flex;
     justify-content: space-between;
     padding: 30px;
     gap: 20px;
 }

 /* 图片项 */
 .gallery-item {
     flex: 1;
     min-width: 0;
     text-align: center;
 }

 .gallery-image {
     width: 100%;
     height: auto;
     object-fit: cover;
     margin-bottom: 15px;
     transition: transform 0.3s ease;
 }



 .image-caption {
     color: #3498db;
     font-size: 1.5rem;
     margin-bottom: 15px;
     font-weight: 600;
 }

 .item-title {
     font-size: 1.3rem;
     margin-bottom: 10px;
     color: #2c3e50;
 }

 .item-content {
     font-size: 1rem;
     color: #333;
 }

 /* 特殊容器 - 用于第二和第三张图片 */
 .special-pair {
     display: flex;
     gap: 20px;
     flex: 2;
     /* 占据两倍空间 */
 }

 .special-pair .gallery-item {
     flex: 1;
 }

 /* 响应式设计 */
 @media (max-width: 992px) {
     .image-gallery {
         flex-wrap: wrap;
     }

     .gallery-item {
         flex: 0 0 calc(50% - 20px);
     }

     .special-pair {
         flex: 0 0 100%;
     }

     .gallery-title {
         font-size: 2.2rem;
     }
 }

 @media (max-width: 768px) {
     .image-gallery {
         flex-direction: column;
         gap: 30px;
     }

     .gallery-item {
         flex: 0 0 100%;
     }

     .special-pair {
         display: flex;
         gap: 20px;
     }

     .gallery-header {
         padding: 20px;
     }

     .gallery-title {
         font-size: 2rem;
     }

     .gallery-subtitle {
         font-size: 1rem;
     }

     .gallery-image {
         height: auto;
     }
 }

 @media (max-width: 480px) {
     .gallery-title {
         font-size: 1.8rem;
     }

     .image-caption {
         font-size: 1rem;
     }

     .item-title {
         font-size: 1.2rem;
     }

     .item-content {
         font-size: 0.95rem;
     }

     .special-pair {
         flex-direction: column;
         gap: 15px;
     }
 }

 /* 页脚 */
 .gallery-footer {
     padding: 20px;
     text-align: center;
     background: #f8f9fa;
     color: #6c757d;
     border-top: 1px solid #e9ecef;
 }




 .gallery-container-unique {
     width: 100%;
     max-width: 100%;
     background: white;

     overflow: hidden;
 }







 /* 图片容器 - 唯一命名 */
 .image-collection-unique {
     display: flex;
     padding: 50px;
     gap: 20px;
     position: relative;
 }

 /* 图片项 - 唯一命名 */
 .image-card-unique {
     border-radius: 10px;
     transition: all 0.4s ease;
     position: relative;
 }

 .image-card-unique:hover {
     transform: translateY(-5px);
 }

 .image-frame-unique {
     width: 100%;
     height: 100%;
     overflow: hidden;
 }

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

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

 .image-title-unique {
     text-align: center;
     padding: 15px;
     color: #3498db;
     font-size: 1.3rem;
     font-weight: 600;
 }

 /* 第一张图片样式 - 唯一命名 */
 .primary-image-unique {
     flex: 2;
     /* 占据2份空间 */
     height: 400px;
 }

 /* 其他三张图片样式 - 唯一命名 */
 .secondary-image-unique {
     flex: 1;
     /* 各占据1份空间 */
     height: 400px;
 }

 /* 虚线箭头指示器 - 唯一命名 */
 .dashed-arrow-unique {
     position: absolute;
     top: 50%;
     transform: translateY(-50%);
     z-index: 10;
     opacity: 0.7;
     transition: all 0.4s ease;
 }

 /* 向右虚线箭头 */
 .dashed-arrow-right {
     width: 100px;
     height: 2px;
     background: repeating-linear-gradient(to right,
             #3498db,
             #3498db 5px,
             transparent 5px,
             transparent 10px);
 }

 .dashed-arrow-right::after {
     content: '';
     position: absolute;
     right: 0;
     top: 50%;
     transform: translateY(-50%);
     width: 0;
     height: 0;
     border-top: 8px solid transparent;
     border-bottom: 8px solid transparent;
     border-left: 12px solid #3498db;
 }

 .arrow-pos-1 {
     left: calc(25% - 50px);
 }

 .arrow-pos-2 {
     left: calc(50% - 50px);
 }

 .arrow-pos-3 {
     left: calc(75% - 50px);
 }

 /* 响应式设计 */
 @media (max-width: 992px) {
     .image-collection-unique {
         gap: 15px;
     }

     .primary-image-unique {
         height: 350px;
     }

     .secondary-image-unique {
         height: 350px;
     }



     .dashed-arrow-unique {
         transform: translateY(-50%) scale(0.9);
     }
 }

 @media (max-width: 768px) {
     .image-collection-unique {
         flex-direction: column;
         gap: 30px;
     }

     .primary-image-unique,
     .secondary-image-unique {
         height: 300px;
         flex: 1;
     }

     .header-section-unique {
         padding: 20px;
     }





     /* 移动视图下的箭头样式 */
     .dashed-arrow-unique {
         top: auto;
         bottom: -15px;
         left: 50%;
         transform: translateX(-50%) rotate(-90deg);
         width: 80px;
     }

     .dashed-arrow-right::after {
         transform: translateY(-50%) rotate(-90deg);
         right: auto;
         left: 0;
         border-top: 1px solid transparent;
         border-right: 8px solid transparent;
         border-left: 8px solid transparent;
         border-bottom: 19px solid #3498db;
     }

     .arrow-pos-1 {
         top: calc(25% + 150px);
     }

     .arrow-pos-2 {
         top: calc(50% + 150px);
     }

     .arrow-pos-3 {
         top: calc(75% + 150px);
     }
 }

 @media (max-width: 576px) {



     .image-collection-unique {
         padding: 15px;
     }

     .primary-image-unique,
     .secondary-image-unique {
         height: 250px;
     }

     .image-title-unique {
         font-size: 1.2rem;
     }
 }

 @media (max-width: 480px) {

     .primary-image-unique,
     .secondary-image-unique {
         height: 200px;
     }

     .dashed-arrow-unique {
         width: 60px;
         bottom: -10px;
     }
 }



 .function-button-container {
     width: 100%;
     max-width: 100%;
     background: white;
     padding-top: 30px;
     overflow: hidden;
 }

 /* 标题区域 - 唯一命名 */
 .header-section-unique {
     text-align: center;
     padding: 30px;
     background: linear-gradient(135deg, #3498db, #2c3e50);
     color: white;
 }

 .main-title-unique {
     font-size: 2.5rem;
     margin-bottom: 15px;
 }

 .sub-title-unique {
     font-size: 1.2rem;
     opacity: 0.9;
 }

 /* 内容区域 - 唯一命名 */
 .content-section-unique {
     padding: 40px;
     min-height: 400px;
     background: #f8f9fa;
 }

 .content-title {
     text-align: center;
     font-size: 2rem;
     margin-bottom: 30px;
     color: #2c3e50;
 }

 .content-text {
     font-size: 1.1rem;
     line-height: 1.8;
     color: #333;
     margin-bottom: 20px;
 }

 .content-image {
     width: 100%;
     height: 300px;
     border-radius: 10px;
     overflow: hidden;
     margin: 30px auto;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
 }

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

 /* 按钮容器 - 唯一命名 */
 .button-group-unique {
     display: flex;
     justify-content: space-between;
     padding: 30px;
     gap: 200px;
 }

 /* 功能按钮 - 唯一命名 */
 .action-button {
     flex: 1;
     min-width: 0;
     padding: 20px 15px;
     border: none;
     border-radius: 10px;
     background: linear-gradient(135deg, #3498db, #3498db);
     color: white;
     font-size: 1.1rem;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.4s ease;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
 }

 .action-button:hover {
     transform: translateY(-5px);
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
 }

 .action-button i {
     font-size: 2rem;
     margin-bottom: 15px;
 }

 /* 询价按钮特殊样式 */
 .inquiry-button {
     background: linear-gradient(135deg, #2856b8, #4a97c4);
 }

 /* 响应式设计 */
 @media (max-width: 768px) {
     .button-group-unique {
         flex-direction: column;
         gap: 15px;
     }

     .header-section-unique {
         padding: 20px;
     }

     .main-title-unique {
         font-size: 2rem;
     }

     .sub-title-unique {
         font-size: 1rem;
     }

     .content-section-unique {
         padding: 20px;
     }

     .content-title {
         font-size: 1.8rem;
     }

     .content-image {
         height: 250px;
     }
 }

 @media (max-width: 480px) {
     .header-section-unique {
         padding: 15px;
     }

     .main-title-unique {
         font-size: 1.8rem;
     }

     .content-section-unique {
         padding: 15px;
     }

     .content-title {
         font-size: 1.6rem;
     }

     .content-text {
         font-size: 1rem;
     }

     .content-image {
         height: 200px;
     }

     .action-button {
         padding: 15px 10px;
         font-size: 1rem;
     }

     .action-button i {
         font-size: 1.8rem;
         margin-bottom: 10px;
     }
 }

 /* 页脚 - 唯一命名 */
 .footer-section-unique {
     padding: 20px;
     text-align: center;
     background: #f8f9fa;
     color: #6c757d;
     border-top: 1px solid #e9ecef;
 }

 /* 询价模态框 */
 .inquiry-modal {
     display: none;
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(0, 0, 0, 0.7);
     z-index: 1000;
     justify-content: center;
     align-items: center;
 }

 .modal-content {
     background: white;
     padding: 30px;
     border-radius: 15px;
     width: 90%;
     max-width: 500px;
     box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
 }

 .modal-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 20px;
 }

 .modal-title {
     font-size: 1.8rem;
     color: #2c3e50;
 }

 .close-modal {
     background: none;
     border: none;
     font-size: 1.5rem;
     cursor: pointer;
     color: #6c757d;
 }

 .inquiry-form {
     display: flex;
     flex-direction: column;
     gap: 15px;
 }

 .form-group {
     display: flex;
     flex-direction: column;
     gap: 5px;
 }

 .form-label {
     font-weight: 600;
     color: #2c3e50;
 }

 .form-input {
     padding: 12px;
     border: 1px solid #ddd;
     border-radius: 5px;
     font-size: 1rem;
 }

 .submit-button {
     padding: 15px;
     background: linear-gradient(135deg, #27ae60, #2ecc71);
     color: white;
     border: none;
     border-radius: 5px;
     font-size: 1.1rem;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.3s ease;
     margin-top: 10px;
 }

 .submit-button:hover {
     transform: translateY(-3px);
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
 }


 .visual-display-case {
     width: 100%;
     max-width: 100%;
     background: white;
     overflow: hidden;
 }






 /* 内容区域 - 唯一命名 */
 .visual-content-section {
     padding: 40px;
     display: flex;
     flex-direction: column;
     align-items: center;
 }





 /* 响应式图片容器 - 唯一命名 */
 .responsive-image-frame {
     width: 100%;
     max-width: 1080px;
     margin: 0 auto;

     overflow: hidden;

     transition: all 0.4s ease;
 }



 .scalable-image {
     width: 100%;
     height: auto;
     display: block;
     transition: transform 0.5s ease;
 }




 /* 响应式设计 */
 @media (max-width: 992px) {}

 @media (max-width: 768px) {





     .visual-content-section {
         padding: 20px;
     }




 }

 @media (max-width: 576px) {}





 .visual-display-container {
     width: 100%;
     max-width: 100%;
     margin: 0 auto;

     padding: 30px;


     /* 标题区域 - 唯一命名 */
     .display-header-section {
         text-align: center;
         margin-bottom: 40px;
     }

     .display-main-title {
         font-size: 3rem;
         margin-bottom: 15px;
         text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
     }

     .display-sub-title {
         font-size: 1.5rem;
         opacity: 0.9;
     }

     /* 图片容器 - 唯一命名 */
     .visual-collection {
         display: flex;
         flex-direction: column;
         gap: 40px;
     }

     /* 图片项 - 唯一命名 */
     .visual-card {
         position: relative;
         border-radius: 10px;
         overflow: hidden;
         box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
         transition: all 0.4s ease;
     }

     .visual-card:hover {
         transform: translateY(-5px);
         box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
     }

     .image-frame-container {
         width: 100%;
         height: 750px;
         overflow: hidden;
         position: relative;
     }

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

     .visual-card:hover .image-frame-container img {
         transform: scale(1.05);
     }

     /* 图片底部标题区域 - 唯一命名 */
     .image-info-overlay {
         position: absolute;
         bottom: 0;
         left: 0;
         width: 100%;
         height: 33.33%;
         /* 三分之一高度 */
         background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
         padding: 20px;
         display: flex;
         flex-direction: column;
         justify-content: flex-end;
     }

     .image-title-text {
         color: #ecf0f1;
         font-size: 2.8rem;
         text-align: center;
         margin-bottom: 10px;
         font-weight: 600;
     }

     .image-description-text {
         color: #ecf0f1;
         font-size: 2rem;
         text-align: center;
         line-height: 1.6;
         opacity: 0.9;
     }

     /* 响应式设计 */
     @media (max-width: 992px) {
         .display-main-title {
             font-size: 2.5rem;
         }

         .display-sub-title {
             font-size: 1.3rem;
         }

         .image-frame-container {
             height: 350px;
         }
     }

     @media (max-width: 768px) {
         .visual-display-container {
             padding: 20px;
         }

         .display-main-title {
             font-size: 2.2rem;
         }

         .display-sub-title {
             font-size: 1.1rem;
         }

         .image-frame-container {
             height: 300px;
         }

         .image-title-text {
             font-size: 1.6rem;
         }

         .image-description-text {
             font-size: 1rem;
         }
     }

     @media (max-width: 576px) {
         .display-main-title {
             font-size: 2rem;
         }

         .visual-collection {
             gap: 30px;
         }

         .image-frame-container {
             height: 250px;
         }

         .image-info-overlay {
             padding: 15px;
         }

         .image-title-text {
             font-size: 1.4rem;
         }
     }

     @media (max-width: 480px) {
         .image-frame-container {
             height: 200px;
         }

         .image-title-text {
             font-size: 1.2rem;
         }

         .image-description-text {
             font-size: 0.9rem;
         }
     }

     /* 页脚 - 唯一命名 */
     .display-footer-section {
         margin-top: 50px;
         text-align: center;
         padding: 20px;
         color: rgba(255, 255, 255, 0.7);
         font-size: 1.1rem;
         border-top: 1px solid rgba(255, 255, 255, 0.2);
     }
 }




 .navigation-container {
     width: 100%;
     max-width: 100%;
     background: white;
     overflow: hidden;
     margin-top: 50px;
 }

 /* 标题区域 */
 .header-section {
     text-align: center;
     padding: 30px;
     background: linear-gradient(135deg, #3498db, #2c3e50);
     color: white;
 }

 .main-title {
     font-size: 2.5rem;
     margin-bottom: 15px;
 }

 .sub-title {
     font-size: 1.2rem;
     opacity: 0.9;
 }

 .button-group {
     display: flex;
     justify-content: center;
     align-items: center;
     flex-wrap: wrap;
     gap: 80px;
     padding: 30px 30px 30px 100px;
     width: 100%;
 }

 /* 长方体图片按钮样式 */
 .rect-image-button {
     width: 8%;
     height: 5%;
     display: flex;
     justify-content: center;
     align-items: center;
     cursor: pointer;
     transition: all 0.4s ease;
     position: relative;
 }



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

 .rect-image-button:hover img {
     transform: scale(1.05);
 }

 /* 按钮标签 */
 .button-label {
     position: absolute;
     bottom: 0;
     left: 0;
     width: 100%;
     background: rgba(0, 0, 0, 0.7);
     color: white;
     padding: 5px;
     text-align: center;
     font-size: 0.9rem;
     font-weight: 600;
     transition: all 0.3s ease;
     z-index: 2;
 }

 .rect-image-button:hover .button-label {
     background: rgba(44, 62, 80, 0.9);
 }

 /* 报价按钮样式 */
 .quote-button {
     padding: 15px 30px;
     background: transparent;
     border: 3px solid #2fa7ec;
     color: #2fa7ec;
     font-size: 1.2rem;
     font-weight: 600;
     border-radius: 8px;
     cursor: pointer;
     transition: all 0.4s ease;
     display: flex;
     align-items: center;
     gap: 10px;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
 }

 .quote-button:hover {
     background: #0e72b9;
     color: white;
     transform: translateY(-5px);
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
 }

 /* 响应式设计 */
 @media (max-width: 1024px) {
     .button-group {
         gap: 95px;
         padding: 20px 20px 20px 0;
     }

     .header-section {
         padding: 20px;
     }

     .main-title {
         font-size: 2rem;
     }

     .sub-title {
         font-size: 1rem;
     }

     .content-section {
         padding: 20px;
     }

     .content-title {
         font-size: 1.8rem;
     }

     .rect-image-button {
         width: 16%;
         height: 10%;
     }

     .button-label {
         font-size: 0.8rem;
     }

     .quote-button {
         padding: 12px 25px;
         font-size: 1.1rem;
     }
 }

 @media (max-width: 992px) {
     .button-group {
         gap: 95px;
         padding: 20px 20px 20px 0;
     }

     .header-section {
         padding: 20px;
     }

     .main-title {
         font-size: 2rem;
     }

     .sub-title {
         font-size: 1rem;
     }

     .content-section {
         padding: 20px;
     }

     .content-title {
         font-size: 1.8rem;
     }

     .rect-image-button {
         width: 15%;
         height: 10%;
     }

     .button-label {
         font-size: 0.8rem;
     }

     .quote-button {
         padding: 12px 25px;
         font-size: 1.1rem;
     }
 }

 @media (max-width: 768px) {
     .button-group {
         gap: 95px;
         padding: 20px 20px 20px 0;
     }

     .header-section {
         padding: 20px;
     }

     .main-title {
         font-size: 2rem;
     }

     .sub-title {
         font-size: 1rem;
     }

     .content-section {
         padding: 20px;
     }

     .content-title {
         font-size: 1.8rem;
     }

     .rect-image-button {
         width: 13%;
         height: 8%;
     }

     .button-label {
         font-size: 0.8rem;
     }

     .quote-button {
         padding: 12px 25px;
         font-size: 1.1rem;
     }
 }

 @media (max-width: 576px) {
     .button-group {
         gap: 30px;
         padding: 15px;
     }

     .header-section {
         padding: 15px;
     }

     .main-title {
         font-size: 1.8rem;
     }

     .content-section {
         padding: 15px;
     }

     .content-title {
         font-size: 1.6rem;
     }

     .content-text {
         font-size: 1rem;
     }

     .rect-image-button {
         width: 12%;
         height: 8%;
     }

     .quote-button {
         padding: 10px 20px;
         font-size: 1rem;
     }
 }

 @media (max-width: 480px) {
     .button-group {
         gap: 20px;
     }

     .rect-image-button {
         width: 20%;
         height: 18%;
     }

     .button-label {
         font-size: 0.7rem;
         padding: 3px;
     }

     .quote-button {
         padding: 8px 15px;
         font-size: 0.9rem;
     }
 }

 @media (max-width: 360px) {
     .rect-image-button {
         width: 25%;
         height: 20%;
     }

     .button-label {
         font-size: 0.65rem;
     }
 }

 .inquiry-modal {
     display: none;
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(0, 0, 0, 0.7);
     z-index: 1000;
     justify-content: center;
     align-items: center;
 }

 .modal-content {
     background: white;
     width: 90%;
     max-width: 500px;
     border-radius: 15px;
     padding: 30px;
     box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
     position: relative;
 }

 .modal-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 20px;
 }

 .modal-title {
     font-size: 1.8rem;
     color: #2c3e50;
 }

 .close-modal {
     background: none;
     border: none;
     font-size: 1.5rem;
     cursor: pointer;
     color: #6c757d;
 }

 .inquiry-form {
     display: flex;
     flex-direction: column;
     gap: 15px;
 }

 .form-group {
     display: flex;
     flex-direction: column;
     gap: 5px;
 }

 .form-label {
     font-weight: 600;
     color: #2c3e50;
 }

 .form-input {
     padding: 12px;
     border: 1px solid #ddd;
     border-radius: 5px;
     font-size: 1rem;
 }

 .submit-button {
     padding: 15px;
     background: linear-gradient(135deg, #27ae60, #2ecc71);
     color: white;
     border: none;
     border-radius: 5px;
     font-size: 1.1rem;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.3s ease;
     margin-top: 10px;
 }

 .submit-button:hover {
     transform: translateY(-3px);
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
 }





 .unique-top-container {
     max-width: 1000px;
     width: 100%;
     background: white;
     border-radius: 15px;
     padding: 40px;
     box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
     margin-bottom: 20px;
 }

 .unique-top-title {
     font-size: 2.5rem;
     color: #2c3e50;
     margin-bottom: 20px;
     text-align: center;
 }

 .unique-top-text {
     font-size: 1.1rem;
     color: #333;
     line-height: 1.8;
     margin-bottom: 20px;
 }

 /* 底部导航栏容器 - 唯一命名 */
 .unique-bottom-container {
     width: 100%;
     max-width: 100%;
     background: white;
     overflow: hidden;
 }

 /* 导航盒子容器 - 唯一命名 */
 .unique-nav-wrapper {
     display: flex;
     flex-wrap: wrap;
 }

 /* 主导航盒子 - 唯一命名 */
 .unique-primary-navbox {
     flex: 1;
     min-width: 250px;
     background: #4d4d4d;
     padding: 30px;
 }

 /* 联系地址盒子 - 宽度加倍 - 唯一命名 */
 .unique-double-contactbox {
     flex: 2;
     /* 宽度加倍 */
     min-width: 300px;
     background: #7f7f81;
     padding: 30px;
     display: flex;
     flex-direction: column;
 }

 /* 导航标题 - 唯一命名 */
 .unique-section-title {
     font-size: 1.5rem;
     justify-content: center;
     align-items: center;
     color: #e5e9ed;
     margin-bottom: 20px;
     padding-bottom: 10px;
 }

 /* 导航列表 - 唯一命名 */
 .unique-nav-list {
     list-style: none;
 }

 .unique-nav-item {
     margin-bottom: 15px;
 }

 .unique-nav-link {
     display: flex;
     align-items: center;
     color: #6bbef6;
     text-decoration: none;
     font-size: 1.1rem;
     font-weight: 500;
     transition: all 0.3s ease;
 }

 .unique-nav-link:hover {
     color: #fcfeff;
     transform: translateX(5px);
 }

 .unique-nav-icon {
     margin-right: 10px;
     font-size: 1.2rem;
     width: 25px;
     text-align: center;
 }

 /* 联系地址样式 - 唯一命名 */
 .unique-contact-item {
     display: flex;
     margin-bottom: 20px;
 }

 .unique-contact-icon {
     width: 40px;
     height: 40px;
     display: flex;
     justify-content: center;
     align-items: center;
     color: white;
     font-size: 1.2rem;
     margin-right: 15px;
     flex-shrink: 0;
 }

 .unique-contact-info {
     display: flex;
     flex-direction: column;
     justify-content: center;
 }

 .unique-contact-title {
     font-weight: 600;
     color: #2c3e50;
     margin-bottom: 5px;
 }

 .unique-contact-detail {
     color: #fdfdfd;
     font-size: 1rem;
     justify-content: left;
 }

 /* 响应式设计 */
 @media (max-width: 768px) {
     .unique-nav-wrapper {
         flex-direction: column;
     }

     .unique-top-container {
         padding: 30px;
     }

     .unique-top-title {
         font-size: 2.2rem;
     }

     .unique-primary-navbox,
     .unique-double-contactbox {
         padding: 20px;
         flex: 1;
         /* 移动端恢复等宽 */
     }

     .unique-section-title {
         font-size: 1.3rem;
     }

     .unique-nav-link {
         font-size: 1rem;
     }
 }

 @media (max-width: 576px) {
     .unique-top-container {
         padding: 20px;
     }

     .unique-top-title {
         font-size: 2rem;
     }

     .unique-top-text {
         font-size: 1rem;
     }

     .unique-primary-navbox,
     .unique-double-contactbox {
         padding: 15px;
     }

     .unique-section-title {
         font-size: 1.2rem;
     }

     .unique-nav-link {
         font-size: 0.95rem;
     }

     .unique-contact-icon {
         width: 35px;
         height: 35px;
         font-size: 1rem;
     }

     .unique-contact-title {
         font-size: 0.95rem;
     }

     .unique-contact-detail {
         font-size: 0.9rem;
     }
 }

 @media (max-width: 480px) {
     .unique-top-title {
         font-size: 1.8rem;
     }

     .unique-nav-link {
         font-size: 0.9rem;
     }

     .unique-contact-icon {
         width: 30px;
         height: 30px;
         font-size: 0.9rem;
     }
 }

 /* 页脚版权 - 唯一命名 */
 .unique-copyright {
     padding: 20px;
     text-align: center;
     background: linear-gradient(45deg, rgb(121, 176, 227), rgb(236, 236, 232));
 }