@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Noto Sans SC', 'Arial', sans-serif;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        
        .feature-section {
            width: 100%;
            background-color: #F5F7FA;
            padding: 60px 0;
        }
        
        .feature-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        

        

        
        .content-container {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            margin-top: 40px;
            align-items: center;
        }
        
        .left-column {
            flex: 1;
            min-width: 300px;
        }
        
        .left-column p {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 30px;
            color: #4A5568;
        }
        
        .right-column {
            flex: 1;
            min-width: 300px;
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transform: translateX(45%) perspective(1000px) rotateY(-5deg);
            transition: all 3.8s cubic-bezier(0.22, 1, 0.36, 1);
            transform-style: preserve-3d;
        }
        
        .right-column.animate {
            opacity: 1;
            transform: translateX(0) perspective(1000px) rotateY(0deg);
        }
        
        .feature-list {
            margin-top: 30px;
        }
        
        .feature-row {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 25px;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            min-width: 200px;
        }
        
        .feature-icon1 {
            width: 24px;
            height: 24px;
            margin-right: 15px;
        }
        
        .feature-icon1 img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        
        .product-image {
            width: 340px;
            height: 340px;
            overflow: hidden;
            transform: translateZ(0);
            will-change: transform;
        }
  
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease-out;
        }
        
        .product-image:hover img {
            transform: scale(1.03);
        }



        .product-image1 {
            width: 600px;
             height: 500px;
            overflow: hidden;
            transform: translateZ(0);
            will-change: transform;
        }

    .product-image1 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease-out;
        }
        
        .product-image1:hover img {
            transform: scale(1.03);
        }

        
        @media (max-width: 768px) {
            .content-container {
                flex-direction: column;
                gap: 30px;
            }
            
            .product-image {
                width: 100%;
                max-width: 340px;
                height: auto;
                aspect-ratio: 1/1;
            }
            .product-image1 {
                width: 100%;
                max-width: 360px;
                height: auto;
                aspect-ratio: 1/1;
            }
            
            .feature-row {
                flex-direction: column;
                gap: 15px;
            }
            
            .feature-item {
                width: 100%;
            }
            
            .right-column {
                transform: translateY(20px) perspective(1000px) rotateX(-5deg);
            }
            
            .right-column.animate {
                transform: translateY(0) perspective(1000px) rotateX(0deg);
            }
        }



                /* 主容器样式 */
        .main-container {
            width: 100%;
            height: 1080px;
            background-image: url('/img/cpgn.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding-top: 100px;
            position: relative;
        }

        /* 标题样式 */
        .main-title {
            font-size: 48px;
            font-weight: bold;
            color: #3A3D3F;
            text-align: center;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        /* 介绍文字样式 */
        .description {
            font-size: 17px;
            color: #707070;
            text-align: center;
            max-width: 800px;
            margin-bottom: 60px;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        /* 九宫格容器 */
        .grid-container {
            width: 1526px;
            max-width: 90%;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-gap: 30px;
            position: relative;
            z-index: 1;
        }

        /* 单个服务卡片样式 */
        .service-card {
            width: 500px;
            height: 250px;
          
            border-radius: 8px;
            border: 2px solid #ECF3FF;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            background-color: rgba(255,255,255,0.5); /* 半透明背景 */
            cursor: pointer;
        }

        /* 卡片内容容器 - 确保内容完全不透明 */
        .card-content {
            position: relative;
            z-index: 2;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            /* 内容完全不透明 */
        }

        /* 第一行样式 */
        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 5px;
            margin-top: -20px;
        }

        .service-icon {
            width: 58px;
            height: 58px;
            margin-right: 20px;
        }

        .service-title {
            font-size: 20px;
            font-weight: bold;
            color: #16181A;
            margin-right: 0px;
        }

        .small-icon {
            width: 26px;
            height: 26px;
            margin-left: 0px;
        }

        /* 第二行样式 */
        .service-description {
            font-size: 16px;
            color: #3D485D;
            line-height: 1.6;
            margin-bottom: 15px;
            flex-grow: 1;
        }

        /* 第三行样式 */
        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .action-btn {
            width: 120px;
            height: 38px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .consult-btn {
            background: #0052D9;
            color: white;
            margin-right: 10px;
        }

        .expert-btn {
            background: #FFFFFF;
            box-shadow: 0px 4px 8px 0px rgba(210, 217, 235, 0.3);
            color: #000;
        }

        .more-link {
            color: #006FFF;
            font-size: 14px;
            cursor: pointer;
            display: flex;
            align-items: center;
        }

        .more-link::after {
            content: "》";
            margin-left: 5px;
        }

        /* 按钮组容器 */
        .btn-group {
            display: flex;
        }

        /* 背景图片层 */
        .card-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/img/cpbj1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: 1;
        }

        /* 默认第一个卡片选中状态 */
        .service-card.default-selected {
            background-color: white; /* 选中状态完全不透明 */
        }
        
        .service-card.default-selected .card-bg {
            opacity: 0.1;
        }
        
        .service-card.default-selected .action-btn {
            opacity: 1;
        }
        
        /* 其他卡片默认状态 */
        .service-card:not(.default-selected) .action-btn {
            opacity: 0;
            transform: translateY(10px);
        }

        /* 悬停效果 */
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0px 20px 40px 0px rgba(192, 199, 218, 0.5);
            background-color: white; /* 悬停时完全不透明 */
        }

        /* 悬停时选中状态 */
        .service-card:hover .card-bg {
            opacity: 1;
        }

        .service-card:hover .action-btn {
            opacity: 1;
            transform: translateY(0);
        }

        .service-card:hover .consult-btn {
            transition-delay: 0.15s;
        }

        .service-card:hover .expert-btn {
            transition-delay: 0.2s;
        }

   
        @media (max-width: 1600px) {
            .service-card {
                width: 100%;
            }
            
            .grid-container {
                width: 90%;
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 1200px) {
            .main-container {
                height: auto;
                padding: 60px 20px;
            }
        }

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

            .main-title {
                font-size: 36px;
            }

            .description {
                font-size: 16px;
            }
        }

        @media (max-width: 480px) {
            .main-title {
                font-size: 28px;
            }

            .card-header {
                flex-wrap: wrap;
            }

            .btn-group {
                flex-wrap: wrap;
                justify-content: center;
            }

            .action-btn {
                margin-bottom: 10px;
            }

            .service-card {
                padding: 20px;
                height: auto;
            }
        }



        .carousel-container {
            width: 100%;
            max-width: 1526px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
            perspective: 1200px;
            background-color: #F5F7FA;
        }
        
        .nav-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            padding: 20px 0;
            flex-wrap: wrap;
        }
        
        .nav-tab {
            width: 180px;
            height: 38px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #3D485D;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            background: transparent;
            border: none;
            transform: translateZ(0);
            will-change: transform, background-color;
        }
        
        .nav-tab:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .nav-tab.active {
            background: #3D485D;
            color: white;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        
        .carousel {
            display: flex;
            transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
            height: 481px;
            will-change: transform;
        }
        
        .slide {
            min-width: 100%;
            height: 100%;
            display: flex;
            position: relative;
            border-radius: 0;
            overflow: hidden;
            backface-visibility: hidden;
        }
        
        .slide-content {
            flex: 1;
            padding: 60px 0 60px 60px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            margin-left: 100px;
            transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
            transform: translateX(20px);
            opacity: 0;
            will-change: transform, opacity;
        }
        
        .slide.active .slide-content {
            transform: translateX(0);
            opacity: 1;
        }
        
        .slide-title {
            font-size: 36px;
            font-weight: bold;
            color: #3D485D;
            margin-bottom: 30px;
            text-align: left;
            transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
            transform: translateY(20px);
            opacity: 0;
            will-change: transform, opacity;
        }
        
        .slide.active .slide-title {
            transform: translateY(0);
            opacity: 1;
        }
        
        .slide-description {
            width: 588px;
            height: 127px;
            font-size: 18px;
            line-height: 33px;
            letter-spacing: 3px;
            text-align: left;
            color: #707070;
            margin-bottom: 30px;
            transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
            transform: translateY(20px);
            opacity: 0;
            will-change: transform, opacity;
        }
        
        .slide.active .slide-description {
            transform: translateY(0);
            opacity: 1;
        }
        
        .slide-buttons {
            display: flex;
            gap: 20px;
            transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
            transform: translateY(20px);
            opacity: 0;
            will-change: transform, opacity;
        }
        
        .slide.active .slide-buttons {
            transform: translateY(0);
            opacity: 1;
        }
        
        .btn-consult {
            width: 132px;
            height: 50px;
            background: #006FFF;
            border-radius: 4px;
            color: #FFFFFF;
            border: none;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            transform: translateZ(0);
            will-change: transform, background-color;
        }
        
        .btn-consult:hover {
            background: #0055CC;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 4px 8px rgba(0, 111, 255, 0.3);
        }
        
        .btn-trial {
            width: 132px;
            height: 50px;
            background: #FFFFFF;
            border-radius: 4px;
            color: #3D485D;
            border: 1px solid #D9E0F4;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            transform: translateZ(0);
            will-change: transform, background-color;
        }
        
        .btn-trial:hover {
            background: #F5F7FA;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .slide-image-container {
            width: 540px;
            margin-right: 150px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
            transform: translateX(40px) scale(0.95);
            opacity: 0;
            will-change: transform, opacity;
        }
        
        .slide.active .slide-image-container {
            transform: translateX(0) scale(1);
            opacity: 1;
        }
        
        .slide-image {
            max-width: 100%;
            max-height: 100%;
            width: auto;
            height: auto;
            object-fit: contain;
            transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
            transform: translateZ(0);
            will-change: transform;
        }
        
        .carousel-control {
            position: absolute;
            top: 68%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(0, 0, 0, 0.05);
            will-change: transform, background-color;
        }
        
        .carousel-control:hover {
            background: white;
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
        }
        
        .carousel-control.prev {
            left: 50px;
        }
        
        .carousel-control.next {
            right: 50px;
        }
        
        .carousel-control svg {
            width: 24px;
            height: 24px;
            fill: #3D485D;
            transition: all 0.3s ease;
        }
        
        .indicators {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
        }
        
        .indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #D9E0F4;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            transform: translateZ(0);
            will-change: transform, background-color;
        }
        
        .indicator:hover {
            transform: scale(1.3);
        }
        
        .indicator.active {
            background: #3D485D;
            transform: scale(1.3);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .slide {
                flex-direction: column;
                height: auto;
                padding-bottom: 60px;
            }
            
            .slide-content {
                padding: 30px;
                order: 2;
                margin-right: 0;
                margin-left: 0;
            }
            
            .slide-description {
                width: 100%;
                height: auto;
            }
            
            .slide-image-container {
                width: 100%;
                height: auto;
                min-height: 300px;
                padding: 20px;
                order: 1;
                margin-left: 0;
                margin-right: 0;
            }
            
            .carousel-control {
                top: 40%;
            }
            
            .carousel-control.prev {
                left: 20px;
            }
            
            .carousel-control.next {
                right: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .nav-tab {
                width: 80%;
            }
            
            .slide-buttons {
                flex-direction: column;
            }
            
            .btn-consult, .btn-trial {
                width: 100%;
            }
            
            .slide-title {
                font-size: 28px;
            }
            
            .slide-description {
                font-size: 16px;
                line-height: 28px;
                letter-spacing: 1px;
            }
            
            .carousel-control {
                width: 44px;
                height: 44px;
            }
        }