* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Noto Sans SC', sans-serif;
        }
        
        :root {
            --primary: #003366;
            --secondary: #0077b6;
            --accent: #d4af37;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            --card-gap: 1rem;
        }
        
        body {
            background: linear-gradient(135deg, #f0f5ff 0%, #e6f0ff 100%);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
            
        }

         /* Banner区域 */
    .banner {
      background: linear-gradient(135deg, rgba(0, 51, 102, 0.85) 0%, rgba(0, 86, 179, 0.85) 100%), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') no-repeat center center;
      background-size: cover;
      height: 500px;
      display: flex;
      align-items: center;
      color: #fff;
      text-align: center;
      position: relative;
    }

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

    .banner h1 {
        color: #fff;
      font-size: 48px;
      font-weight: 700;
      margin-bottom: 25px;
      line-height: 1.8;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    }

    .banner p {
      font-size: 20px;
      margin-bottom: 30px;
      opacity: 0.9;
    }

        /* 导航栏样式 */
        .navbar {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: fixed;
            top:0;
            width: 100%;
            z-index: 1000;
            padding: 15px 10%;
            display: flex;
            height: 10vh;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .navbar.scrolled {
            padding: 10px 10%;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }
        
        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            margin-right: 2vh;
            width: 17vh;
        }

         .logo img {
            max-width: 100%;  /* 宽度不超过容器 */
            height: auto;     /* 高度自动计算保持比例 */
            display: block;
        }
        
        /* .logo h1 {
             color: var(--primary); 
            font-size: 1.8rem;
            font-weight: 700;
            margin-left: 10px;
            background: linear-gradient(45deg, rgb(0, 51, 102), #0077b6);
            background-clip: text;
            color: transparent;
        } 
        
        .logo-icon {
            color: var(--accent);
            font-size: 2rem;
        } 
         */
        .nav-links {
            display: flex;
            list-style: none;
            margin-left: auto;
            margin-right: 5vh;
        }
        
        .nav-links li {
            margin: 0 25px;
            position: relative;
        }
        
        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 800;
            /* font-weight: bold; */
            font-size: 1.15rem;
            position: relative;
            padding: 8px 0;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        
        .nav-links a i {
            margin-left: 5px;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: 0px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: var(--transition);
        }
        
        .nav-links a:hover:after,
        .nav-links a.active:after {
            width: 100%;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            font-weight: 800;
        }
        
        .nav-links a:hover i {
            transform: translateY(3px);
        }
        
        .contact-btn {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: white;
            padding: 10px 25px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(20, 28, 36, 0.3);
            display: flex;
            align-items: center;
        }
        
        .contact-btn i {
            margin-right: 8px;
        }
        
        .contact-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
        }

        /* 下拉菜单样式 */
        .dropdown-content{
            position: absolute;
            top: 100%;
            left: 50%; /* 相对父元素居中 */
            transform: translateX(-50%); /* 水平居中偏移 */
           
            padding: 30px 10%; /* 调整内边距，避免过宽 */
            background: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            display: none;
            /* padding: 30px 10%; */
            z-index: 1000;
            border-top: 2px solid #f0f5ff;
            animation: fadeInDown 0.4s ease-out;
        }

        .www1{
                width: min(90vw, 1200px); /* 最大宽度限制，适配小屏幕 */
                }   

        .www2{
            width: min(90vw, 550px); /* 最大宽度限制，适配小屏幕 */
        }
        
        .nav-links li:hover .dropdown-content {
            display: block;
        }
        
        .dropdown-grid {
            display: grid;
            /* grid-template-columns: repeat(4, 1fr); */
            gap: 60px;
            padding-left: 60px;
            margin-right: 50px;
        }

          .dropdown-grid1 {
            grid-template-columns: repeat(4, 1fr);
            
        }

        .dropdown-grid2 {
            grid-template-columns: 80% 20%;
            
        }
        
        .dropdown-column h3 {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            
            border-bottom: 2px solid #eaefff;
            position: relative;
        }

        .dropdown-column div {
            margin-top: 40px;
        }
        
        .dropdown-column h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--secondary);
        }
        
        .dropdown-column ul {
            list-style: none;
        }
        
        .dropdown-column ul li {
            margin-bottom: 12px;
            margin-left: 0px;
        }
        
        .dropdown-column ul li a {
            color: #555;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            padding: 8px 0;
            transition: all 0.2s ease;
        }
        
        .dropdown-column ul li a i {
            margin-right: 10px;
            color: var(--secondary);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
        }
        
        .dropdown-column ul li a:hover {
            color: var(--primary);
            padding-left: 8px;
        }
        
        .dropdown-column ul li a:hover i {
            transform: translateX(5px);
        }

         /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInDown {
            /* from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            } */
            from {
                opacity: 0;
                /* 同时保留水平居中和垂直位移 */
                transform: translateX(-50%) translateY(-10px);
            }
            to {
                opacity: 1;
                /* 保持水平居中，完成垂直动画 */
                transform: translateX(-50%) translateY(0);
            }
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0) translateX(-50%);
            }
            40% {
                transform: translateY(-15px) translateX(-50%);
            }
            60% {
                transform: translateY(-7px) translateX(-50%);
            }
        }
        
        /* 轮播图样式 */
        .carousel-container {
            position: relative;
            width: 100%;
            height: 65vh;
            overflow: hidden;
        }
        /* shijian */
        .carousel {
            display: flex;
            height: 100%;
            transition: transform 0.5s ease-in-out;
        }
        
        .carousel-slide {
            min-width: 100%;
            height: 100%;
            position: relative;
        }
        
        .carousel-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .carousel-caption {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 51, 102, 0.85) 0%, rgba(0, 86, 179, 0.85) 100%);
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 5rem 10%;
        }
        
        .carousel-caption h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            max-width: 800px;
        }
        
        .carousel-caption p {
            font-size: 1.2rem;
            max-width: 60vh;
            margin-bottom: 30px;
        }
        
        .carousel-btn {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            width: fit-content;
        }
        
        .carousel-btn:hover {
            background: white;
            color: var(--primary);
            transform: translateY(-3px);
        }
        
        .carousel-controls {
            position: absolute;
            top: 50%;
            width: 100%;
            display: flex;
            justify-content: space-between;
            transform: translateY(-50%);
            padding: 0 20px;
            z-index: -10;
        }
        
        .carousel-control {
            background: rgba(255, 255, 255, 0.7);
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .carousel-control:hover {
            background: white;
            transform: scale(1.1);
        }
        
        .carousel-indicators {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
        }
        
        .carousel-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .carousel-indicator.active {
            background: white;
            width: 30px;
            border-radius: 6px;
        }
        
        /* 重点介绍区域 */
        .highlights-section {
            padding: 3rem 10% 5rem 10%;
            background: white;
            height: 35vh;

        }
        
        .highlights-container {
            display: grid;
            grid-template-columns:1fr 2fr;
            gap: 30px;
            align-items: center;
        }
        
        .highlight-column {
           
            border-radius: 10px;
            justify-content:flex-end;
            
            /* transition: var(--transition); */
           
        }
        
        /* .highlight-column:hover {
            box-shadow: 0 10px 30px rgba(0, 51, 102, 0.08);
            transform: translateY(-5px);
        }
         */
        .highlight-title {
            font-size: 2.3rem;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.3;
            font-weight: 900;
        }
        
        .highlight-text {
            font-size: 1.1rem;
            color: var(--dark);
            line-height: 1.8;
        }
        
        .highlight-stats {
            display: flex;
            align-items: center;
            justify-content:flex-end;
            padding-right: 2rem;
            gap: 6rem;
        }
        
        .stat-item {
            display: flex;
           justify-content:flex-end;
           width: 100%;
        }

        .stat-item > div {
            flex: 1; /* 每个子元素平均分配剩余空间 */
            text-align: right;
        }
        
        .stat-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }
        
        .stat-content h3 {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 0px;
        }
        
        .stat-content p {
            color: var(--dark);
            font-size: 1.2rem;

        }
        
        .counter {
            font-weight: 900;
            font-size: 4.5rem;
            color: var(--primary);
        }
        
        /* 业务范围 */
        .services-section {
            background: #f8fbff;
            padding: 100px 10%;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 70px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        
        .section-title p {
            color: var(--gray);
            font-size: 1.2rem;
            max-width: 900px;
            margin: 20px auto 0;
            line-height: 1.7;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            border-top: 4px solid var(--primary);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 86, 179, 0.15);
        }
        
        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 1.8rem;
        }
        
        .service-card h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 15px;
        }
        
        .service-card p {
            color: var(--gray);
            line-height: 1.7;
            margin-bottom: 25px;
        }
        
        .service-link {
            display: inline-flex;
            align-items: center;
            color: var(--secondary);
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .service-link i {
            margin-left: 8px;
            transition: var(--transition);
        }
        
        .service-link:hover {
            color: var(--primary);
        }
        
        .service-link:hover i {
            transform: translateX(5px);
        }
        
        /* 页脚 */
        footer {
            background: linear-gradient(to bottom, #002244, #001a33);
            color: white;
            padding: 80px 10% 30px;
            position: relative;
        }
        
        .footer-content {
            display: grid;
            /* grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); */
            grid-template-columns: 40% 20% 20% 20%;
            gap: 35px;
            margin-bottom: 50px;
            padding: 0 9%;
        
        }
        .footer-column {
            
            justify-items: flex-start;
            padding: 0 2rem 0 0;
            text-align: left;
        }
        
        .footer-column h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        
        .footer-column p {
            margin-bottom: 15px;
            opacity: 0.8;
            line-height: 1.7;
            text-align: left;
        }
        .footer-column img {
            max-width: 180px;

        }
        
        .contact-info {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        
        .contact-icon {
            margin-right: 15px;
            color: var(--accent);
            font-size: 1.2rem;
            min-width: 20px;
        }
        
        .contact-info p {
            margin-bottom: 0;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
            font-size: 0.9rem;
        }
        
        /* 移动菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: var(--primary);
            font-size: 1.8rem;
            cursor: pointer;
            z-index: 1001;
        }
        
        /* 移动导航菜单 */
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: white;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
            z-index: 1001;
            padding: 80px 20px 20px;
            transition: var(--transition);
            overflow-y: auto;
        }
        
        .mobile-nav.active {
            right: 0;
        }
        
        .mobile-nav-links {
            list-style: none;
        }
        
        .mobile-nav-links li {
            margin-bottom: 15px;
        }
        
        .mobile-nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            display: block;
            padding: 10px;
            border-radius: 5px;
            transition: var(--transition);
        }
        
        .mobile-nav-links a:hover {
            background: #f0f7ff;
            color: var(--primary);
        }
        
        .mobile-nav .contact-btn {
            margin-top: 20px;
            text-align: center;
            display: block;
        }
        
        .close-mobile-menu {
            position: absolute;
            top: 20px;
            right: 20px;
            background: transparent;
            border: none;
            color: var(--primary);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            display: none;
        }
        
        .overlay.active {
            display: block;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .carousel-caption h2 {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .highlights-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .highlight-column {
                text-align: center;
            }
            
            .stat-item {
                justify-content: center;
                 width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .carousel-container {
                height: 350px;
            }
            
            .carousel-caption h2 {
                font-size: 1.8rem;
            }
            
            .carousel-caption p {
                font-size: 1rem;
            }
            
            .section {
                padding: 80px 5%;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .navbar {
                padding: 15px 5%;
            }
        }
        
        @media (max-width: 576px) {
            .carousel-container {
                height: 300px;
            }
            
            .carousel-caption h2 {
                font-size: 1.5rem;
            }
            
            .carousel-control {
                width: 40px;
                height: 40px;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
        }
         /* 第二板块 核心业务 */

        .container {
            max-width: 1920px;
            width: 100%;
            margin: 5vh auto;
            padding: 1rem 0rem;
            box-sizing: border-box;
        }

        .container h1 {
            position: relative;
            font-size: 2.5rem;
            color: var(--primary);
            padding-bottom: 0px;
            text-align: center;
        }

        .container h1::after {
            content: '';
            position: absolute;
            left: 50%;
            text-align: center;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            bottom: 0;
        }
        .container p {
            
            position: absolute;
            left: 0;
            color: var(--gray);
            font-size: 1.2rem;
            max-width: 900px;
            margin: 0;
            line-height: 1.7;
            text-align: center;
        }
        
        h1 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            font-weight: bold;
            text-align: center;
            margin-bottom: 4rem;
            color: #1F2937;
        }
        
        /* 网格布局 */
        .grid-container {
            display: grid;
            grid-template-columns: 5fr 9fr 6fr;
            gap: 0.5rem;
            height: 80vh;
        }
        
        .column {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            height: 100%;
            overflow: hidden;
        }
        
        .subgrid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.5rem;
        }
        
        /* 图片卡片样式 */
        .image-card {
            position: relative;
            overflow: hidden;
            /*border-radius: 0.75rem;*/
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            cursor: pointer;
            height: 100%;
        }
        
        .image-card img {
            width: 100%;
            height: 100%;
            /* filter: blur(2px); */
            object-fit: cover;
            transition: transform 0.7s ease;
        }
        
        .image-card:hover img {
            transform: scale(1.05);
        }

         .diamond-icon {
            color: white;
            font-size: 18px;
            margin-right: 12px;
            transition: color 0.3s ease;
        }
        
        .image-card:hover .diamond-icon {
           /* color: var(--secondary); */
            color: rgba(188, 0, 38, 0.945); 
        }
        
        /* 遮罩层样式 */
        .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
            padding: 1.5rem;
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .image-card:hover .image-overlay {
            transform: translateY(-40%);
        }
        
        .overlay-text {
            color: white;
        }
        
        .overlay-text h3 {
            font-size: 2.2rem;
            font-weight: 100;
            margin-bottom: 0.25rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
         .title-container {
            display: flex;
            align-items: center;
        }

        .overlay-text-secondary {
            opacity: 0;
            transform: translateY(40%);
            transition: all 0.3s ease;
        }
        
        .image-card:hover .overlay-text-secondary {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 特定高度设置 */
        .half-height {
            height: 50%-0.5rem;
            width: 100%;
           
        }

        .half-look{
            height:calc()

        }
        
        .third-height {
            height: calc(100% / 3);
        }
        
        .fixed-height {
            height: 16rem;
        }
        
        /* 页脚样式 */
        .footer-text {
            text-align: center;
            margin-top: 3rem;
            color: #6b7280;
        }
        
        footer {
            background-color: #1F2937;
            color: white;
            padding: 2rem 1rem;
            margin-top: 3rem;
            text-align: center;
        }
        
        /* 文本阴影 */
        .text-shadow {
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .grid-container {
                grid-template-columns: 1fr;
                height: auto;
            }
            
            .subgrid {
                grid-template-columns: 1fr;
            }
            
            .image-card {
                height: 300px;
            }
            
            .half-height, .third-height, .fixed-height {
                height: 300px;
            }
        }
       
       /* 案例展示样式 */
        .container1 {
            max-width: 100%;
            height: 100%;
            padding: 1rem;
            display: flex;
            flex-direction: column;
        }
        
        /* 第一行：标题和标签栏容器 */
        .first-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            padding-left: 4.5%;
            gap: 1rem;
            flex: 0 0 auto;
        }
        
        /* 标题区域样式 */
        .title-section {
            flex: 1;
            min-width: 250px;
            padding-left: 100px;
            padding-top: 2vh;
        }
        
        .title-section .subtitle {
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 0.3rem;
        }
        
        .title-section .main-title {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            color: #1D2129;
        }
        
        @media (min-width: 768px) {
            .title-section .main-title {
                font-size: 2.2rem;
            }
        }
        
        @media (min-width: 1024px) {
            .title-section .main-title {
                font-size: 2.5rem;
            }
        }
        
        .title-section .divider {
            height: 2px;
            width: 5rem;
            background-color: #FFB800;
            margin: 0.8rem 0;
        }
        
        .title-section .description {
            color: var(--dark);
            max-width: 400px;
            font-size: 1rem;
            line-height: 1.8;
        }
        
        /* 标签栏样式 */
        .tabs-container {
            flex: 0 0 auto;
            min-width: 250px;
            position: relative;
            padding-bottom: 0.3rem;
            margin: 8vh auto;
        }
        
        .tab-underline {
            position: absolute;
            height: 1px;
            background-color: #d4d5d6;
            bottom: 0;
            left: 0;
            right: 0;
            transition: all 0.3s ease;
        }
        
        .tabs-wrapper {
            display: flex;
            overflow-x: auto;
            padding-bottom: 0.5rem;
            gap: 0.25rem;
            scrollbar-width: none;
            -ms-overflow-style: none;
            justify-content: flex-end;
            align-items: center;
        }
        
        .tabs-wrapper::-webkit-scrollbar {
            display: none;
        }
        
        .tab-item {
            white-space: nowrap;
            cursor: pointer;
            color: var(--dark);
            font-weight: 500;
            font-size: 1.15rem;
            padding: 0.3rem 0.8rem;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .tab-item.active {
            color: #165DFF;
        }
        
        .tab-divider {
            align-items: center;
            height: 1.2rem;
            width: 1px;
            background-color: #d4d5d6;
            display: none;
            margin: 0 0.5rem;
        }
        
        @media (min-width: 768px) {
            .tab-divider {
                display: block;
            }
            
            .tabs-wrapper {
                gap: 0;
            }
        }
        
        .tab-indicator {
            position: absolute;
            height: 2px;
            background-color: #165DFF;
            transition: all 0.3s ease-in-out;
            bottom: -0.5px;
            width: 1%;
            transform: translateX(0%);
        }
        
        /* 第二行：控制按钮和案例展示区域 */
        .second-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            flex: 1 0 auto;
            align-items: flex-start;
            overflow: hidden;
        }
        
        /* 控制按钮样式 */
        .controls-container {
            flex: 0 0 auto;
            margin-left: 10%; /* 与卡片区域左对齐 */
            padding: 14rem 1rem 0 10%;
        }
        
        .controls {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            
        }
        
        .navigation {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        
        .nav-btn {
            width: 2.5rem;
            height: 2.5rem;
            background-color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            border: 1px solid #E5E7EB;
            cursor: pointer;
            transition: all 0.3s ease;
            color: #165DFF;
        }
        
        .nav-btn:hover {
            background-color: #165DFF;
            color: white;
        }
        
        .nav-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            background-color: white;
            color: #165DFF;
        }
        
        .page-counter {
            color: #6B7280;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
        }
        
        .page-counter span {
            margin: 0 0.3rem;
        }
        
        /* 案例展示卡片区域 - 修复的核心部分 */
        .card-display-container {
            flex: 1;
            min-width: 250px;
            display: flex;
            flex-direction: column;
            margin-left: 0;
            width: 100%;
            height: 60vh;
            overflow: hidden;
        }
        
        .content-container {
            width: 100%;
            overflow: hidden;
            flex: 1;
        }
        
        .tab-content {
            display: none;
            height: 100%;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .card-slider {
            display: flex;
            overflow-x: hidden;
            padding: 0.3rem 0 0.5rem;
            scroll-behavior: smooth;
            scrollbar-width: none;
            -ms-overflow-style: none;
            height: 100%;
        }
        
        .card-slider::-webkit-scrollbar {
            display: none;
        }

        .cards-container {
            display: flex;
            gap: var(--card-gap);
            width: max-content;
            transition: transform 0.3s ease;
        }
        
        .card-item {
            scroll-snap-align: start;
            height: 100%;
            /* 关键修改：计算卡片宽度确保一行显示3个 */
            min-width: calc((100% - (var(--card-gap) * 2)) / 3);
            max-width: calc((100% - (var(--card-gap) * 2)) / 3);
        }
        
        /* 响应式调整 */
        @media (max-width: 1023px) {
            .card-item {
                min-width: calc((100% - var(--card-gap)) / 2);
                max-width: calc((100% - var(--card-gap)) / 2);
            }
        }
        
        @media (max-width: 767px) {
            .card-item {
                min-width: 100%;
                max-width: 100%;
            }
        }
        
        .card {
            background-color: white;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .card:hover {
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            transform: translateY(-5px);
        }
        
        .card-image {
            width: 100%;
            height: 60%;
            object-fit: cover;
        }
        
        .card-content {
            padding: 1rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #1D2129;
        }
        
        .card-description {
            display: flex;
            color: #6B7280;
            font-size: 1rem;
            flex-grow: 1;
            margin-bottom: 0.5rem;
            line-height: 1.6;
            align-items: flex-start;
        }
        
        .card-link {
            display: none;
            align-items: center;
            color: #165DFF;
            font-size: 0.85rem;
            cursor: pointer;
            margin-top: auto;
        }
        
        .card:hover .card-link {
            display: flex;
        }
        
        .card-link i {
            margin-left: 0.5rem;
            transition: transform 0.3s ease;
        }
        
        .card-link:hover i {
            transform: translateX(3px);
        }
        
        /* 第三行：更多案例按钮 */
        .third-row {
            flex: 0 0 auto;
            margin: 3rem 3rem 3rem 32%;
        }
        
        .gengduo {
            flex: 0 0 auto;
            margin: 3rem auto;
        }
        
        .more-cases-btn {
            background-color: white;
            color: #165DFF;
            border: 1px solid #165DFF;
            padding: 1.2rem 1.5rem;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .more-cases-btn:hover {
            background-color: var(--dark);
            color: white;
        }

    /* 新闻版块容器 */
        .news-container {
            background-color: hsl(216, 33%, 97%);
            max-width: 1920px;
            margin: 0 auto;
            padding: 2rem 0;
            height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
    
        /* 第二行：最新新闻 */
        .latest-news {
            display: flex;
            flex: 1 ;
            flex-direction: column;
            padding: 0.5rem 0 0.5rem 10.5%;
            margin-bottom: 80px;

            
        }

        .latest-news .row-01 {
            display: flex;
            flex-direction: row;
        }

       .latest-new p{
            display: inline;
       }
        
        .latest-date {
            color: #7f8c8d;
            font-size: 16px;
            font-weight: 500;
            min-width: 130px;
            margin-bottom: 4vh;
        }
        
        .latest-title {
            font-size: 20px;
            font-weight: 900;
            color: #2c3e50;
            transition: color 0.3s ease;
            margin-bottom: 5vh;
        }
        
        .latest-title:hover {
            color: #3498db;
            cursor: pointer;
        }
        
        /* 第三行：新闻卡片容器 */
        .news-cards {
            display: flex;
            flex: 2 ;
            width: 100%;
            position: relative;
        
        }
        
        /* 新闻卡片样式 */
        .news-card {
            flex: 1;
            padding: 30px 10vh;
            background-color: white;
            position: relative;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            z-index: 1;
            opacity: 0;
            transform: translateY(20px);
        }
        
        /* 竖线分隔 */
        .news-card:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 15%;
            height: 70%;
            width: 1px;
            background-color: #e0e0e0;
            z-index: 2;
        }
        
        /* 卡片内容样式 */
        .card-date {
            font-size: 50px;
            font-weight: 700;
            color: #2c3e50;
            line-height: 1;
            margin-bottom: 5px;
            transition: color 0.4s ease;
        }
        
        .card-month {
            font-size: 18px;
            color: #7f8c8d;
            margin-bottom: 20px;
            font-weight: 500;
            transition: color 0.4s ease;
        }
        
        .card-title {
            font-size: 30px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 15px;
            line-height: 1.4;
            transition: color 0.4s ease;
            flex-grow: 1;
        }
        
        .card-desc {
            font-size: 15px;
            color: #7f8c8d;
            line-height: 1.6;
            margin-bottom: 20px;
            transition: color 0.4s ease;
        }
        
        .card-link {
            font-size: 15px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            transition: color 0.4s ease;
        }
        
        .card-link i {
            margin-left: 6px;
            transition: transform 0.3s ease;
        }
        
        .card-link:hover i {
            transform: translateX(3px);
        }
        
        /* 背景图片和遮罩层 */
        .card-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: -1;
        }
        
        .card-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.8));
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: -1;
        }
        
        /* 鼠标悬停效果 */
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .news-card:hover .card-bg,
        .news-card:hover .card-overlay {
            opacity: 1;
        }
        
        .news-card:hover .card-date,
        .news-card:hover .card-month,
        .news-card:hover .card-title,
        .news-card:hover .card-desc,
        .news-card:hover .card-link {
            color: white;
        }
        
        .news-card:hover .card-link {
            text-decoration: underline;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            body {
                height: auto;
                overflow: auto;
                padding: 15px;
            }
            
            .news-header h1 {
                font-size: 28px;
            }
            
            .news-header::before,
            .news-header::after {
                width: 20%;
            }
            
            .news-cards {
                flex-direction: column;
                flex-grow: 0;
            }
            
            .news-card {
                margin-bottom: 15px;
                min-height: 320px;
            }
            
            .news-card:not(:last-child)::after {
                display: none;
            }
            
            .latest-news {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            
            .card-date {
                font-size: 36px;
            }
            
            .card-title {
                font-size: 20px;
            }
        }
        /* 中国地图模块 */
        .myZhanshi{
            /* background-color: hsl(216, 33%, 97%); */
            width: 100%;
            display: flex;
            padding: 3rem 5%;
            max-width: 1920px;
            margin: 0 auto;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            overflow: hidden;

        }
        .myMap {
            width: 1000px;
            height: 800px;
            

        } 
        /* 地图右侧模块 */
         /* 右侧数据区域 */
        .data-column {
            flex: 1;
            min-width: 300px;
            padding: 80px 30px;
            margin-top: 10px;
            position: relative;
            gap: 6rem;
        }
        
        .data-row {
            display: flex;
            flex: 1;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 30px;
            position: relative;
            opacity: 0;
            justify-items: flex-start;
            transform: translateY(20px);
            transition: all 0.6s ease-out;
        }
        
        .data-row.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* .divide-line {
            position: absolute;
            right: 0;
            top: 0;
            height: 100%;
            width: 1px;
            background-color: #e0e0e0;
        } */
        
        .row-title {
            font-size: 1.5rem;
            color: #34495e;
            font-weight: 600;
            width: 200px;
            margin-right: 0px;
            text-align: left;
        }
        
        .number-container {
            display: flex;
            align-items: baseline;
            width: 200px;
            margin-right: px;
            margin-left: 80px;
            align-content: flex-start;
        }
        
        .number {
            font-size: 3rem;
            font-weight: 700;
            color: #2c3e50;
            transition: all 0.3s ease;
        }
        
        .number-suffix {
            font-size: 30px;
            color: #3498db;
            margin-left: 5px;
        }
        
        .row-desc {
            font-size: 18px;
            color: #7f8c8d;
            flex: 1;
            margin-right: 35px;

        }
        
        .row-image {
            
            color: var(--primary);
            margin-left: 15px;
            /* border-radius: 8px;
            object-fit: cover; */
            animation: bounce 2s infinite;
        }
        
        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .layout {
                flex-direction: column;
            }
            
            .map-column, .data-column {
                width: 100%;
            }
            
            .data-row {
                flex-wrap: wrap;
                margin-bottom: 20px;
                padding-bottom: 20px;
            }
            
            .row-title {
                width: 100%;
                margin-bottom: 10px;
                margin-right: 60px;
            }
            
            .number {
                font-size: 28px;
            }
            
            .row-image {
                margin-top: 10px;
                margin-left: 0;
            }
        }

         .layout {
            display: flex;
            flex-wrap: wrap;
            flex: 2fr 1fr;
        }


        /* 在线留言 */
        /* 整体容器样式 */
.message-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1920px;
  margin: 2rem auto 5rem;
  padding: 0 5%;
}

/* 标题样式 */
.title {
  width: 100%;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

/* 左侧表单区域样式 */
.form-left {
  width: calc(35% - 10px);
  margin: 0 5%;
}

/* 右侧表单区域样式 */
.form-right {
  width: calc(55% - 10px);
  padding-right: 5%;
  margin-top: -2.5rem;
}

/* 输入项容器样式 */
.input-item {
  display: flex;
  align-items: center;
  background-color: #f8fbff;
  border-radius: 4px;
  margin-bottom: 15px;
  
  padding: 10px;
  height: 4rem;
}

/* 图标样式 */
.form-icon {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  background-repeat: no-repeat;
  background-size: contain;
}


/* 输入框样式 */
.input-item input {
  flex: 1;
  border: none;
  background-color: transparent;
  outline: none;
  font-size: 18px;
}

.input-item i {
    color: var(--primary);
    margin: 0 1rem;
    
}

/* 留言标题区域样式 */
.message-title {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}
.message-title i {
    color: var(--primary);
    margin: 0 0.5rem 0 0;
}

.message-title span {
  font-size: 18px;
  margin-left: 5px;
}

/* 文本域样式 */
.form-right textarea {
  width: 100%;
  height: 160px;
  border: 1px solid #ddd;
  background-color: rgb(255, 255, 255);
  border-radius: 4px;
  padding: 10px;
  font-size: 18px;
  resize: none;
  outline: none;
  margin-bottom: 15px;
}

/* 提交按钮样式 */
.submit-btn {
  background-color: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 4px;
  cursor: pointer;
  margin: 0 auto;
}

.submit-btn:hover {
  opacity: 0.9;
}

.message-pad1{
    margin: 3rem 0 3rem 5%;
}
        

/* 客户滚动代码 */
  
 .title {
            text-align: center;
            color: white;
            margin-bottom: 30px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        
        .title h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        
        .title p {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .gallery-container {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            margin-bottom: 25px;
            height: 300px;
        }
        
        .gallery-track {
            display: flex;
            width: max-content;
            animation: scroll 30s linear infinite;
        }
        
        .gallery-item {
            width: 168px;
            height: 260px;
            margin: 0 15px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            flex-shrink: 0;
            position: relative;
        }
        
        .gallery-item:hover {
            transform: scale(1.08);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            z-index: 10;
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .gallery-item:hover::after {
            opacity: 1;
        }
        
        .item-number {
            position: absolute;
            bottom: 15px;
            left: 15px;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
            z-index: 2;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .gallery-item:hover .item-number {
            opacity: 1;
        }
        
        .controls {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .btn {
            padding: 12px 25px;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        
        .progress-container {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            overflow: hidden;
        }
        
        .progress-bar {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, #3b84f1, #edeff0);
            border-radius: 4px;
            transition: width 0.3s ease;
        }
        
        .instructions {
            text-align: center;
            color: white;
            margin-top: 20px;
            font-size: 14px;
            opacity: 0.8;
        }
        
        @keyframes scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(calc(-168px * 6 - 15px * 12));
            }
        }
        
        .pause {
            animation-play-state: paused;
        }

           .container123 {
            max-width: 1920px;
            padding: 2rem 10%;
           
          
        }