* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary-color: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary-color: #10b981;
            --dark-color: #1e293b;
            --light-color: #f8fafc;
            --gray-color: #64748b;
            --card-bg: #ffffff;
            --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        
        body {
            background-color: #f1f5f9;
            color: var(--dark-color);
            line-height: 1.6;
        }
        
        container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, var(--dark-color) 0%, #334155 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.8rem;
            font-weight: 700;
        }
        
        .logo i {
            color: var(--secondary-color);
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 0.5rem 0;
            position: relative;
        }
        
        nav a:hover {
            color: var(--secondary-color);
        }
        
        nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--secondary-color);
            border-radius: 3px;
        }
        
        /* 主内容区域 */
        main {
            padding: 2rem 0;
        }
        
        .page-title {
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .page-title h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            color: var(--dark-color);
        }
        
        .page-title p {
            color: var(--gray-color);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 产品规格卡片区域 */
        .product-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        
        .product-card {
            background-color: var(--card-bg);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .product-card.active {
            border: 3px solid var(--primary-color);
        }
        
        .card-header {
            background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 1.5rem;
            text-align: center;
        }
        
        .card-header h3 {
            font-size: 1.8rem;
			color:white;
            margin-bottom: 0.5rem;
        }
        
        .card-body {
            padding: 1.5rem;
        }
        
        .card-features {
            list-style: none;
            margin-bottom: 1.5rem;
        }
        
        .card-features li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .card-features li:last-child {
            border-bottom: none;
        }
        
        .card-features i {
            color: var(--secondary-color);
        }
        
        .card-btn {
            display: block;
            width: 100%;
            padding: 0.8rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
            text-align: center;
            text-decoration: none;
        }
        
        .card-btn:hover {
            background-color: var(--primary-dark);
        }
        
        /* 产品参数详情区域 */
        .product-details {
            background-color: var(--card-bg);
            border-radius: 10px;
            padding: 2rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
            display: none;
        }
        
        .product-details.active {
            display: block;
            animation: fadeIn 0.5s ease-in-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .details-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #e2e8f0;
        }
        
        .details-header h2 {
            color: var(--dark-color);
        }
        
        .close-details {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray-color);
            transition: color 0.3s;
        }
        
        .close-details:hover {
            color: #ef4444;
        }
        
        /* 算法列表样式 */
        .algorithms-section {
            margin-bottom: 3rem;
        }
        
        .section-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: var(--dark-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .section-title i {
            color: var(--primary-color);
        }
        
        .algorithms-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        
        .algorithm-box {
            background-color: var(--card-bg);
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }
        
        .algorithm-box h4 {
            margin-bottom: 1rem;
            color: var(--dark-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .algorithm-box h4 i {
            color: var(--secondary-color);
        }
        
        .algorithm-list {
            list-style: none;
        }
        
        .algorithm-list li {
            padding: 0.6rem 0;
            border-bottom: 1px dashed #e2e8f0;
            display: flex;
            justify-content: space-between;
        }
        
        .algorithm-list li:last-child {
            border-bottom: none;
        }
        
        .algorithm-tag {
            background-color: #dbeafe;
            color: var(--primary-dark);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        
        .algorithm-tag.premium {
            background-color: #fef3c7;
            color: #92400e;
        }
        
        /* 应用场景样式 */
        .scenarios-section {
            margin-bottom: 3rem;
        }
        
        .scenarios-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.5rem;
        }
        
        .scenario-card {
            background-color: var(--card-bg);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .scenario-img {
            height: 180px;
            background-color: #cbd5e1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-color);
            font-size: 3rem;
        }
        
        .scenario-content {
            padding: 1.5rem;
        }
        
        .scenario-content h4 {
            margin-bottom: 0.8rem;
            color: var(--dark-color);
        }
        
        .scenario-content p {
            color: var(--gray-color);
            margin-bottom: 1rem;
        }
        
        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .scenario-tag {
            background-color: #e0f2fe;
            color: var(--primary-dark);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        
       
       
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            
            nav ul {
                gap: 1.2rem;
            }
            
            .page-title h1 {
                font-size: 2rem;
            }
            
            .details-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
        }
        
        @media (max-width: 576px) {
            .product-cards {
                grid-template-columns: 1fr;
            }
            
            .algorithms-container,
            .scenarios-container {
                grid-template-columns: 1fr;
            }
            
            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }
        }
		
		 /* 应用场景展示区 */
        .applications {
            padding: 5rem 0;
        }
        
        .application-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .application-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        
        .application-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        
        .application-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        
        .application-content {
            padding: 1.5rem;
        }
        
        .application-content h3 {
            margin-bottom: 0.8rem;
            color: var(--dark-color);
        }
		
		
		   /* 产品展示区 */
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 0.5rem;
        }
        
        .section-title p {
            color: var(--gray-color);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .products {
            padding: 5rem 0;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            cursor: pointer;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow);
        }
        
        .product-header {
            background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 1.5rem;
            text-align: center;
        }
        
        .product-header h3 {
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
        }
        
        .product-body {
            padding: 1.5rem;
        }
        
        .product-features {
            list-style: none;
            margin-bottom: 1.5rem;
        }
        
        .product-features li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .product-features li:last-child {
            border-bottom: none;
        }
        
        .product-features i {
            color: var(--secondary-color);
        }
        
        .product-link {
            display: block;
            text-align: center;
            background-color: var(--primary-color);
            color: white;
            text-decoration: none;
            padding: 0.8rem;
            border-radius: 5px;
            font-weight: 600;
            transition: var(--transition);
        }
        
        .product-link:hover {
            background-color: var(--primary-dark);
        }