@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');
            /*核心功能  */
                      .sys-body {
                 font-family: 'PingFangSC-Medium, PingFangSC-Medium';
            position: relative;
            height: 100vh;
            overflow: hidden;
            
        }

             .sys-reset {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }


        .sys-bg-img {
            position: absolute;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -1;
            filter: brightness(0.7);
        }
        
   
        .sys-main-container {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100%;
            padding: 20px;
            animation: sys-fadeIn 1s ease-out;
        }
        

        .sys-header {
            text-align: center;
            margin-bottom: 30px;
            width: 100%;
        }
        
        .sys-main-title {
            font-size: 36px;
            color: #FFFFFF;
            line-height: 48px;
            margin-bottom: 15px;
        }
        
        .sys-subtitle {
            color: rgba(255,255,255,0.8);
            font-size: 20px;
            line-height: 1.5;
        }
        
 
        .sys-content-wrapper {
            display: flex;
            max-width: 1526px;
            width: 100%;
            gap: 20px;
            margin-bottom: 30px;
        }
        

        .sys-nav-panel {
            width: 260px;
            height: 545px;
            background: rgba(37,61,102,0.49);
            box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.3);
            border-radius: 4px;
            border: 1px solid rgba(255,255,255,0.2);
            backdrop-filter: blur(5px);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .sys-nav-panel:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        
        .sys-nav-item {
            color: #FFFFFF;
            font-size: 20px;
            line-height: 28px;
            font-weight: 400;
            padding: 26px 20px;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
            overflow: hidden;
        }
        
        .sys-nav-item:before {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, #4a90e2);
            transition: width 0.4s ease;
        }
        
        .sys-nav-item:hover {
            background: rgba(62, 81, 120, 0.4);
            padding-left: 25px;
        }
        
        .sys-nav-item:hover:before {
            width: 100%;
        }
        
        .sys-nav-item.active {
            background: #3E5178;
            animation: sys-navActive 0.6s ease-out;
        }
        

        .sys-content-panel {
            flex: 1;
            height: 545px;
            width: 1250px;
            position: relative;
            overflow: hidden;
            background: rgba(37,61,102,0.49);
            box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.3);
            border-radius: 4px;
            border: 1px solid rgba(255,255,255,0.2);
            backdrop-filter: blur(5px);
            transition: transform 0.3s ease;
        }
        
        .sys-content-panel:hover {
            transform: translateY(-5px);
        }
        

        .sys-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            padding: 30px;
            transform: translateX(30px);
        }
        
        .sys-slide.active {
            opacity: 1;
            transform: translateX(0);
            z-index: 1;
        }
        

        .sys-slide-title {
            color: #FFFFFF;
            line-height: 1.2;
            text-align: left;
            font-size: 48px;
            margin-bottom: 30px;
            font-weight: 600;
        }
        
        .sys-tags-container {
            display: flex;
            margin-bottom: 30px;
            gap: 15px;
        }
        
        .sys-tag {
            width: 152px;
            height: 34px;
            background: linear-gradient(135deg, #4E6993, #3a5275);
            border-radius: 50px;
            color: #FFFFFF;
            font-size: 18px;
            line-height: 34px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .sys-tag:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        
        .sys-description {
            color: rgba(255,255,255,0.9);
            text-align: left;
            font-size: 20px;
            font-weight: 400;
            margin-bottom: 30px;
            line-height: 1.6;
            max-width: 90%;
        }
        
        .sys-images-container {
            display: flex;
          /*  justify-content: space-between;  图片之间间距 */ 
            gap: 20px;
        }
        
        .sys-content-image {
            width: 500px;
            height: 205px;
            border-radius: 8px;
            object-fit: cover;
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
            transition: all 0.4s ease;
        }
        
        .sys-content-image:hover {
            transform: scale(1.02);
            box-shadow: 0 12px 25px rgba(0,0,0,0.3);
        }
        

        .sys-demo-container {
            display: flex;
            justify-content: center;
            width: 100%;
            margin-top: 20px;
        }
        
        .sys-demo-btn {
            width: 385px;
            height: 70px;
            background: linear-gradient(135deg, #4a90e2, #2a5cb3);
            border-radius: 8px;
            color: #FFFFFF;
            font-size: 24px;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            border: none;
        }
        
        .sys-demo-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
            background: linear-gradient(135deg, #5a9ff2, #3a6cc3);
        }
        
        /* Animations */
        @keyframes sys-fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes sys-navActive {
            0% { background: rgba(62, 81, 120, 0); }
            50% { background: rgba(62, 81, 120, 0.5); }
            100% { background: #3E5178; }
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .sys-content-wrapper {
                flex-direction: column;
                align-items: center;
            }
            
            .sys-nav-panel {
                width: 100%;
                height: auto;
                margin-bottom: 20px;
            }
            
            .sys-nav-item {
                padding: 18px 20px;
            }
            
            .sys-content-panel {
                width: 100%;
                height: auto;
                min-height: 400px;
            }
            
            .sys-slide {
                padding: 25px;
            }
            
            .sys-slide-title {
                font-size: 36px;
            }
            
            .sys-content-image {
                width: 48%;
                height: 180px;
            }
        }
        
        @media (max-width: 768px) {
            .sys-main-title {
                font-size: 28px;
                line-height: 1.3;
            }
            
            .sys-subtitle {
                font-size: 16px;
            }
            
            .sys-slide-title {
                font-size: 28px;
            }
            
            .sys-tag {
                width: 120px;
                font-size: 16px;
            }
            
            .sys-description {
                font-size: 18px;
            }
            
            .sys-images-container {
                display: none;
            }
            
            .sys-demo-btn {
                width: 90%;
                height: 60px;
                font-size: 20px;
            }
            .sys-demo-container{
                margin-top: -20px;
            }
            .sys-header{
                 margin-top: 20px;
            }
        }

/*技术与创新应用*//*技术与创新应用*/
          .tech-columns__root {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Arial', sans-serif;
        }
        
        .tech-columns__body {
            padding: 20px;
            background-color: #f5f5f5;
        }
        

        .tech-columns__container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        
        .tech-columns__column {
            flex: 1;
            min-width: 300px;
            max-width: 490px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        

        .tech-columns__card {
            background: #FFFFFF;
            border-radius: 8px;
            color: #3A3D3F;
            line-height: 30px;
            text-align: left;
            padding: 20px;
            position: relative;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        .tech-columns__card--visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .tech-columns__card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        

        .tech-columns__card--large {
            height: 580px;
        }
        
        .tech-columns__card--medium {
            height: 280px;
        }
        

        .tech-columns__tag {
            display: inline-block;
            width: 60px;
            height: 28px;
            background: #25C387;
            border-radius: 8px;
            opacity: 0.8;
            color: white;
            text-align: center;
            line-height: 28px;
            font-size: 14px;
            margin-left: 10px;
            transition: all 0.3s ease;
        }
        
        .tech-columns__card:hover .tech-columns__tag {
            opacity: 1;
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(37, 195, 135, 0.3);
        }
        

        .tech-columns__item {
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.4s ease;
        }
        
        .tech-columns__card--visible .tech-columns__item {
            opacity: 1;
            transform: translateY(0);
        }
        

        .tech-columns__card--visible .tech-columns__item:nth-child(1) { transition-delay: 0.1s; }
        .tech-columns__card--visible .tech-columns__item:nth-child(2) { transition-delay: 0.2s; }
        .tech-columns__card--visible .tech-columns__item:nth-child(3) { transition-delay: 0.3s; }
        .tech-columns__card--visible .tech-columns__item:nth-child(4) { transition-delay: 0.4s; }
        .tech-columns__card--visible .tech-columns__item:nth-child(5) { transition-delay: 0.5s; }
        .tech-columns__card--visible .tech-columns__item:nth-child(6) { transition-delay: 0.6s; }
        .tech-columns__card--visible .tech-columns__item:nth-child(7) { transition-delay: 0.7s; }
        

        .tech-columns__text--xl {
            font-size: 40px;
            line-height: 50px;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        
        .tech-columns__card:hover .tech-columns__text--xl {
            color: #0052D9;
        }
        
        .tech-columns__text--lg {
            font-size: 22px;
            line-height: 30px;
            font-weight: 400;
        }
        
        .tech-columns__text--md {
            font-size: 18px;
            line-height: 24px;
        }
        
        .tech-columns__text--accent {
            color: #F68040;
        }
        

        .tech-columns__icon {
            display: inline-block;
            width: 54px;
            height: 16px;
            margin-top: -10px;
            margin-left: 10px;
            vertical-align: middle;
            transition: transform 0.3s ease;
        }
        
        .tech-columns__card:hover .tech-columns__icon {
          /*  transform: translateX(5px);*/
        }
        

        .tech-columns__footer-link {
            font-size: 14px;
            color: #0052D9;
            line-height: 22px;
            text-decoration: none;
            display: block;
            position: absolute;
            bottom: 10px;
            left: 20px;
            right: 20px;
            padding-top: 10px;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.4s ease;
        }
        
        .tech-columns__card--visible .tech-columns__footer-link {
            opacity: 1;
            transform: translateY(0);
            transition-delay: 0.8s;
        }
        
        .tech-columns__footer-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: #f0f0f0;
        }
        
        .tech-columns__footer-link:hover {
            text-decoration: none;
            color: #0039a6;
        }
        
        .tech-columns__footer-link::after {
            content: '→';
            margin-left: 5px;
            display: inline-block;
            transition: transform 0.3s ease;
        }
        
        .tech-columns__footer-link:hover::after {
            transform: translateX(4px);
        }
        

        @media (max-width: 1024px) {
            .tech-columns__column {
                min-width: 45%;
            }
        }
        
        @media (max-width: 768px) {
            .tech-columns__column {
                min-width: 100%;
            }
            
            .tech-columns__card {
                opacity: 1;
                transform: none;
            }
            
            .tech-columns__item {
                opacity: 1;
                transform: none;
            }
            
            .tech-columns__footer-link {
                opacity: 1;
                transform: none;
            }
        }



/*项目实施优势*//*项目实施优势*/
 
        .advantage-container {
            position: relative;
            width: 100%;
            max-width: 1526px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 40px;
            background-color: #f5f5f5; /* 添加默认背景色 */
            color: #3A3D3F;
            height: 580px;
            margin: 0 auto;
            overflow: hidden;
        }
        
        /* 桌面端背景图片 */
        @media (min-width: 769px) {
            .advantage-container {
                background-image: url('/img/jjgy1.jpg');
                background-size: cover;
                background-position: center;
                background-repeat: no-repeat;
            }
        }
        
        .advantage-content {
            max-width: 700px;
            padding: 40px;
            border-radius: 10px;

            
            /* 初始状态 */
            transform: translateY(20px);
            opacity: 0;
        }
        
        /* 当元素进入视口时应用动画 */
        .advantage-content.animate {
            animation: fadeInUp 1s forwards 0.3s;
        }
        
        .advantage-title {
            font-size: 40px;
            line-height: 1.2;
            text-align: left;
            margin-bottom: 30px;
            position: relative;
            display: inline-block;
        }
        
        .advantage-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 3px;
        }
        
        .advantage-content:hover .advantage-title::after {
            transform: scaleX(1);
        }
        
        .advantage-feature {
            margin-bottom: 20px;
            /* 初始状态 */
            transform: translateY(20px);
            opacity: 0;
        }
        
        /* 当元素进入视口时应用动画 */
        .advantage-content.animate .advantage-feature:nth-child(2) { animation: fadeInUp 0.8s forwards 0.5s; }
        .advantage-content.animate .advantage-feature:nth-child(3) { animation: fadeInUp 0.8s forwards 0.7s; }
        .advantage-content.animate .advantage-feature:nth-child(4) { animation: fadeInUp 0.8s forwards 0.9s; }
        .advantage-content.animate .advantage-feature:nth-child(5) { animation: fadeInUp 0.8s forwards 1.1s; }
        
        .advantage-feature-title {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }
        
        .advantage-feature-desc {
            font-size: 16px;
            line-height: 1.5;
            transition: transform 0.3s ease;
        }
        
        .advantage-buttons {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            /* 初始状态 */
            transform: translateY(20px);
            opacity: 0;
        }
        
        /* 当元素进入视口时应用动画 */
        .advantage-content.animate .advantage-buttons {
            animation: fadeInUp 1s forwards 1.3s;
        }
        
        .advantage-btn {
            display: inline-block;
            padding: 12px 25px;
            background-color: #3A3D3F;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            font-size: 16px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .advantage-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
        }
        
        .advantage-btn:hover {
            background-color: #2c3e50;
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        
        .advantage-btn:hover::after {
            left: 100%;
        }
        
        @keyframes fadeInUp {
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        @media (max-width: 768px) {
            .advantage-container {
                padding: 20px;
                height: auto;
                min-height: 580px;
            }
            
            .advantage-content {
                padding: 30px;
            }
            
            .advantage-title {
                font-size: 32px;
            }
            
            .advantage-feature-title {
                font-size: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .advantage-content {
                padding: 20px;
            }
            
            .advantage-title {
                font-size: 28px;
                margin-bottom: 20px;
            }
            
            .advantage-buttons {
                flex-direction: column;
            }
            
            .advantage-btn {
                width: 100%;
                text-align: center;
            }
        }




           /* table */
        .responsive-table {
            width: 1065px;
            height: 69px;
            border-radius: 8px;
            border: 1px solid #FFFFFF;
            border-collapse: collapse;
            margin: 20px auto;
            font-family: Arial, sans-serif;
            background-color: transparent;
            color: #FFFFFF;
        }
        
        .responsive-table th, 
        .responsive-table td {
            border: 1px solid #FFFFFF;
            padding: 10px;
            text-align: center;
            background-color: transparent;
          
        }
        
        .responsive-table th {
           
        }
        
        @media (max-width: 1100px) {
            .responsive-table {
                width: 95%;
                height: auto;
            }
        }