:root {
            --primary: #0a2463;
            --secondary: #3e92cc;
            --accent: #ff715b;
            --light: #f8f9fa;
            --dark: #1e1e24;
            --gray: #6c757d;
            --gray-light: #e9ecef;
            --border-radius: 4px;
            --box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #fff;
            font-weight: 300;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-image {
            width: 180px;
            height: 50px;
            background-color: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/html/product/css/YOUR_LOGO_URL_HERE');
            background-size: contain;
            background-position: center;
            background-repeat: no-repeat;
        }
        
        .logo-placeholder {
            width: 180px;
            height: 50px;
            background-color: #f0f4f8;
            border: 2px dashed #3e92cc;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #3e92cc;
            font-size: 0.9rem;
            text-align: center;
            padding: 0 10px;
        }
        
        .logo-text {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .logo-text h1 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        
        .logo-text p {
            font-size: 0.85rem;
            color: var(--gray);
            margin-top: 3px;
        }
		
        .main-nav {
            display: flex;
            gap: 5px;
        }
        
        .nav-item {
            padding: 10px 20px;
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        
        .nav-item:hover {
            background-color: var(--gray-light);
        }
        
        .nav-item.active {
            color: var(--primary);
            background-color: rgba(10, 36, 99, 0.05);
        }
        
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -26px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--primary);
        }
        
        .hero-section {
            padding: 100px 0;
            text-align: center;
            background: linear-gradient(rgba(10, 36, 99, 0.85), rgba(10, 36, 99, 0.9)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            border-bottom: 1px solid var(--gray-light);
        }
        
        .hero-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            margin: 0 auto 40px;
            font-weight: 300;
        }
        
        .hero-actions {
            display: flex;
            gap: 15px;
            justify-content: center;
        }
        
        .btn {
            padding: 14px 32px;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 500;
            display: inline-block;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

		.btn-mes {
            padding: 14px 75px 18px 80px;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 500;
            display: inline-block;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1rem;
			white-space: nowrap;
        }
		.btn-mes-outline {
            background-color: transparent;
            color: white;
            border: 1px solid white;
        }
        
        .btn-mes-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
		
		.custom-mes-button {
            margin-top: 20px;
            display: inline-block;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-primary {
            background-color: #ff715b;
            color: white;
        }
        
        .btn-primary:hover {
            background-color: #ff5a3f;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 113, 91, 0.3);
        }
        
        .btn-outline {
            background-color: transparent;
            color: white;
            border: 1px solid white;
        }
        
        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .section {
            padding: 100px 0;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            text-align: center;
        }
        
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--gray);
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
            font-weight: 300;
        }
        
        .grid {
            display: grid;
            gap: 30px;
        }
        
        .grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        
        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px 30px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            border: 1px solid var(--gray-light);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(62, 146, 204, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: var(--secondary);
            font-size: 1.5rem;
        }
        
        .feature-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        .feature-description {
            color: var(--gray);
            line-height: 1.7;
        }

        .stats-section {
            background-color: var(--primary);
            color: white;
            padding: 80px 0;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: white;
        }
        
        .stat-label {
            font-size: 1rem;
            opacity: 0.85;
        }

        .industry-features {
            background-color: #f8f9fa;
            padding: 80px 0;
        }
        
        .feature-list {
            list-style: none;
            margin-top: 30px;
        }
        
        .feature-list li {
            padding: 15px 0;
            border-bottom: 1px solid var(--gray-light);
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .feature-list li:last-child {
            border-bottom: none;
        }
        
        .feature-list i {
            color: var(--secondary);
            font-size: 1.2rem;
            width: 24px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
            box-shadow: var(--box-shadow);
        }
        
        .comparison-table th {
            background-color: var(--primary);
            color: white;
            padding: 20px;
            text-align: left;
            font-weight: 600;
        }
        
        .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--gray-light);
        }
        
        .comparison-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        .comparison-table tr:hover {
            background-color: #f0f4f8;
        }
        
        .check-icon {
            color: #28a745;
            margin-right: 8px;
        }

        .faq-section {
            background-color: #f8f9fa;
            padding: 80px 0;
        }
        
        .faq-container {
            /* max-width: 800px; */
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border: 1px solid var(--gray-light);
            border-radius: var(--border-radius);
            overflow: hidden;
            background-color: white;
        }
        
        .faq-question {
            padding: 20px;
            background-color: #f0f4f8;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-answer {
            padding: 20px;
            display: none;
            line-height: 1.7;
            color: var(--gray);
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-toggle {
            color: var(--secondary);
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        .main-footer {
            background-color: #0c1427;
            color: rgba(255, 255, 255, 0.8);
            padding: 80px 0 40px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 50px;
            margin-bottom: 60px;
        }
        
        .footer-title {
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 25px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .footer-contact {
            list-style: none;
        }
        
        .footer-contact li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        
        .footer-contact i {
            color: var(--secondary);
            width: 20px;
            margin-top: 3px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
	
		.case-recommend {
            width: 100%;
            max-width: 1100px;
            background-color: #ffffff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            padding: 25px;
            margin: 0 auto;
        }
        .case-title {
            font-size: 18px;
            font-weight: 600;
            color: #333333;
            margin-bottom: 20px;
            border-left: 4px solid #2f80ed;
            padding-left: 10px;
        }
        .case-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .case-item {
            flex: 1;
            min-width: 280px;
            height: 100px;
            background-color: #f8f9fa;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
        }
        .case-item:hover {
            background-color: #eef5ff;
            border-color: #2f80ed;
        }
        .case-text {
            font-size: 16px;
            color: #555555;
            text-align: center;
            line-height: 1.5;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .grid-3, .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
            
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .logo-text h1 {
                font-size: 1.6rem;
            }
        }
        
        @media (max-width: 768px) {
            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
            }
            
            .main-nav {
                display: none;
            }
            
            .top-bar {
                display: none;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
                text-align: center;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .header-content {
                flex-direction: column;
                gap: 20px;
            }
            
            .logo {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            
            .logo-text h1 {
                font-size: 1.8rem;
            }
			
			.case-list {
                flex-direction: column;
            }
            .case-item {
                min-width: 100%;
            }
        }

        .text-center {
            text-align: center;
        }
        
        .mb-30 {
            margin-bottom: 30px;
        }
        
        .mb-50 {
            margin-bottom: 50px;
        }
        
        .mt-50 {
            margin-top: 50px;
        }
        
        .divider {
            height: 1px;
            background-color: var(--gray-light);
            margin: 60px 0;
        }
        
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--gray);
            background-color: #f8f9fa;
            border-bottom: 1px solid var(--gray-light);
        }
        
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
			font-weight:700;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 5px;
            color: #0d78d7;
            font-weight:700;
        }

        .battery-icon {
            color: #4CAF50;
        }
        
        .industry-badge {
            display: inline-block;
            background-color: rgba(76, 175, 80, 0.1);
            color: #4CAF50;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-right: 8px;
            margin-bottom: 8px;
        }<!--耗时1776122954.9889秒-->