:root {
            --primary-white: #F8F9FA;
            --eco-green: #2C5F2D;
            --deep-green: #1A3B2D;
            --text-dark: #333333;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }

        /* 升级版导航栏 */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(248, 249, 250, 0.98);
            padding: 1.2rem 8%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(44, 95, 45, 0.1);
        }

        .logo {
            font-size: 1.8rem;
            color: var(--eco-green);
            font-weight: 600;
            letter-spacing: 1px;
        }

        nav a {
            color: var(--text-dark);
            text-decoration: none;
            margin-left: 2.5rem;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }

        nav a:hover {
            color: var(--eco-green);
            background: rgba(44, 95, 45, 0.05);
        }

        /* 轮播图增强 */
        .slider {
            height: 70vh;
            overflow: hidden;
            position: relative;
            margin-top: 76px;
        }

        .slides {
            width: 300%;
            height: 100%;
            display: flex;
            animation: slide 18s infinite;
        }

        .slide {
            width: 33.33%;
            height: 100%;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .slide::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to right, rgba(248, 249, 250, 0.2), rgba(44, 95, 45, 0.1));
        }

        @keyframes slide {
            0%, 28% { transform: translateX(0); }
            33%, 61% { transform: translateX(-33.33%); }
            66%, 94% { transform: translateX(-66.66%); }
        }

        /* 内容区块 */
        .section {
            padding: 6rem 8%;
            text-align: center;
            background: var(--primary-white);
        }

        .section h2 {
            font-size: 2.8rem;
            color: var(--deep-green);
            margin-bottom: 3rem;
            position: relative;
            display: inline-block;
        }

        .section h2::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--eco-green);
        }

        /* 产品特色升级 */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .feature {
            padding: 2.5rem;
            background: white;
            border-radius: 12px;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border: 1px solid rgba(44, 95, 45, 0.1);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }

        .feature:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 30px rgba(44, 95, 45, 0.1);
        }

        .feature h3 {
            color: var(--deep-green);
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }

        /* 底部设计 */
        footer {
            background: var(--deep-green);
            color: rgba(248, 249, 250, 0.9);
            padding: 4rem 8%;
            text-align: center;
        }

        footer p {
            margin: 1rem 0;
            opacity: 0.9;
        }
		.slider-indicators {
		            position: absolute;
		            bottom: 20px;
		            left: 50%;
		            transform: translateX(-50%);
		            display: flex;
		            gap: 10px;
		            z-index: 10;
		        }
		
		        .indicator {
		            width: 12px;
		            height: 12px;
		            border-radius: 50%;
		            background: rgba(255,255,255,0.5);
		            cursor: pointer;
		            transition: all 0.3s;
		        }
		
		        .indicator.active {
		            background: var(--eco-green);
		            transform: scale(1.2);
		        }
		
		        .menu-toggle {
		            display: none;
		            background: none;
		            border: none;
		            font-size: 1.5rem;
		            color: var(--eco-green);
		            cursor: pointer;
		        }
		
		        @media (max-width: 768px) {
		            .nav-links {
		                position: fixed;
		                top: 70px;
		                right: -100%;
		                background: var(--primary-white);
		                flex-direction: column;
		                width: 100%;
		                padding: 1rem;
		                transition: all 0.3s;
		                box-shadow: 0 4px 20px rgba(0,0,0,0.1);
		            }
		
		            .nav-links.active {
		                right: 0;
		            }
		
		            .nav-links a {
		                margin: 0.5rem 0;
		                padding: 1rem;
		                text-align: center;
		            }
		
		            .menu-toggle {
		                display: block;
		            }
		        }
				
				.product-grid {
				    display: grid;
				    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
				    gap: 2.5rem;
				    margin-top: 3rem;
				}
				
				.product-card {
				    background: white;
				    border-radius: 12px;
				    overflow: hidden;
				    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
				    border: 1px solid rgba(44, 95, 45, 0.1);
				    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
				}
				
				.product-card:hover {
				    transform: translateY(-8px);
				    box-shadow: 0 8px 30px rgba(44, 95, 45, 0.1);
				}
				
				.product-image {
				    height: 240px;
				    background-size: cover;
				    background-position: center;
				    position: relative;
				}
				
				.product-badge {
				    position: absolute;
				    top: 15px;
				    right: -30px;
				    background: var(--eco-green);
				    color: white;
				    padding: 8px 35px;
				    transform: rotate(45deg);
				    font-size: 0.9rem;
				    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
				}
				
				.product-info {
				    padding: 1.5rem 2rem;
				}
				
				.product-title {
				    color: var(--deep-green);
				    font-size: 1.4rem;
				    margin-bottom: 0.5rem;
				}
				
				.product-model {
				    color: #666;
				    font-size: 0.9rem;
				    margin-bottom: 1.2rem;
				}
				
				.product-specs {
				    border-top: 1px solid rgba(44, 95, 45, 0.1);
				    padding: 1rem 0;
				}
				
				.product-specs p {
				    display: flex;
				    justify-content: space-between;
				    margin: 0.6rem 0;
				    color: var(--text-dark);
				}
				
				.spec-label {
				    color: var(--eco-green);
				    font-weight: 500;
				}
				
				.product-btn {
				    width: 100%;
				    padding: 12px;
				    background: var(--deep-green);
				    color: white;
				    border: none;
				    border-radius: 6px;
				    cursor: pointer;
				    transition: all 0.3s;
				    margin-top: 1rem;
				}
				
				.product-btn:hover {
				    background: var(--eco-green);
				    transform: translateY(-2px);
				}
				.about-content {
				    display: grid;
				    grid-template-columns: 1fr 1fr;
				    gap: 4rem;
				    align-items: center;
				    max-width: 1200px;
				    margin: 0 auto;
				}
				
				.about-text {
				    padding-right: 2rem;
				}
				
				.highlight {
				    font-size: 1.2rem;
				    color: var(--deep-green);
				    line-height: 1.8;
				    margin-bottom: 2rem;
				    padding-left: 1.5rem;
				    border-left: 3px solid var(--eco-green);
				}
				
				.achievements {
				    display: flex;
				    gap: 2rem;
				    margin-top: 2.5rem;
				}
				
				.achievement-item {
				    text-align: center;
				    padding: 1.5rem;
				    background: rgba(44, 95, 45, 0.05);
				    border-radius: 8px;
				    flex: 1;
				}
				
				.achievement-number {
				    font-size: 2rem;
				    font-weight: 600;
				    color: var(--eco-green);
				    margin-bottom: 0.5rem;
				}
				
				.achievement-text {
				    font-size: 0.9rem;
				    color: var(--text-dark);
				}
				
				.about-image {
				    position: relative;
				    border-radius: 12px;
				    overflow: hidden;
				}
				
				.image-container {
				    height: 400px;
				    background-size: cover;
				    background-position: center;
				    position: relative;
				    transition: transform 0.3s;
				}
				
				.image-container:hover {
				    transform: scale(1.02);
				}
				
				.image-overlay {
				    position: absolute;
				    bottom: 0;
				    left: 0;
				    right: 0;
				    background: rgba(44, 95, 45, 0.8);
				    color: white;
				    padding: 1.5rem;
				    font-size: 0.95rem;
				    text-align: center;
				}
				
				@media (max-width: 768px) {
				    .about-content {
				        grid-template-columns: 1fr;
				        gap: 2rem;
				    }
				    
				    .about-text {
				        padding-right: 0;
				    }
				    
				    .image-container {
				        height: 300px;
				    }
				}
				.product-catalog {
				    display: grid;
				    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
				    gap: 2rem;
				    margin-top: 3rem;
				}
				
				.section-header {
				    text-align: center;
				    margin-bottom: 3rem;
				}
				
				.product-filters {
				    display: flex;
				    justify-content: center;
				    gap: 1rem;
				    flex-wrap: wrap;
				    margin-top: 2rem;
				}
				
				.filter-btn {
				    padding: 0.8rem 1.5rem;
				    border: 1px solid rgba(44, 95, 45, 0.2);
				    border-radius: 25px;
				    background: transparent;
				    color: var(--text-dark);
				    cursor: pointer;
				    transition: all 0.3s;
				}
				
				.filter-btn.active,
				.filter-btn:hover {
				    background: var(--eco-green);
				    color: white;
				    border-color: var(--eco-green);
				}
				
				.catalog-item {
				    background: white;
				    border-radius: 12px;
				    overflow: hidden;
				    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
				    transition: transform 0.3s;
				}
				
				.catalog-item:hover {
				    transform: translateY(-5px);
				}
				
				.product-media {
				    position: relative;
				    height: 250px;
				    overflow: hidden;
				}
				
				.product-media img {
				    width: 100%;
				    height: 100%;
				    object-fit: cover;
				    transition: transform 0.3s;
				}
				
				.product-tags {
				    position: absolute;
				    top: 15px;
				    left: 0;
				    display: flex;
				    gap: 0.5rem;
				}
				
				.tag {
				    font-size: 0.8rem;
				    padding: 4px 12px;
				    border-radius: 15px;
				    background: rgba(255,255,255,0.9);
				    backdrop-filter: blur(2px);
				}
				
				.tag.fast-charging { border: 1px solid #2C5F2D; color: var(--eco-green); }
				.tag.lightweight { border: 1px solid #1A3B2D; color: var(--deep-green); }
				
				.product-meta {
				    padding: 1.5rem;
				}
				
				.spec-grid {
				    display: grid;
				    grid-template-columns: repeat(2, 1fr);
				    gap: 1rem;
				    margin: 1.5rem 0;
				    padding: 1rem 0;
				    border-top: 1px solid rgba(44, 95, 45, 0.1);
				    border-bottom: 1px solid rgba(44, 95, 45, 0.1);
				}
				
				.spec-item {
				    display: flex;
				    justify-content: space-between;
				    align-items: center;
				}
				
				.spec-label {
				    color: #666;
				    font-size: 0.9rem;
				}
				
				.spec-value {
				    color: var(--text-dark);
				    font-weight: 500;
				}
				
				.product-actions {
				    display: flex;
				    gap: 1rem;
				    margin-top: 1rem;
				}
				
				.detail-btn,
				.inquiry-btn {
				    flex: 1;
				    padding: 0.8rem;
				    border: none;
				    border-radius: 6px;
				    cursor: pointer;
				    transition: all 0.3s;
				}
				
				.detail-btn {
				    background: var(--primary-white);
				    color: var(--eco-green);
				    border: 1px solid rgba(44, 95, 45, 0.3);
				}
				
				.inquiry-btn {
				    background: var(--eco-green);
				    color: white;
				}
				
				.detail-btn:hover {
				    background: rgba(44, 95, 45, 0.05);
				}
				
				.inquiry-btn:hover {
				    background: var(--deep-green);
				}
				
				@media (max-width: 768px) {
				    .product-catalog {
				        grid-template-columns: 1fr;
				    }
				    
				    .product-actions {
				        flex-direction: column;
				    }
				}
				/* 联系页面样式 */
				.contact-section {
				    background: linear-gradient(to bottom, rgba(248, 249, 250, 0.9), white);
				}
				
				.contact-container {
				    display: grid;
				    grid-template-columns: 1fr 2fr;
				    gap: 3rem;
				    max-width: 1200px;
				    margin: 2rem auto;
				}
				
				.contact-info {
				    display: flex;
				    flex-direction: column;
				    gap: 1.5rem;
				}
				
				.info-card {
				    background: white;
				    padding: 1.5rem;
				    border-radius: 12px;
				    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
				    display: flex;
				    gap: 1.2rem;
				    transition: transform 0.3s;
				}
				
				.info-card:hover {
				    transform: translateY(-5px);
				}
				
				.info-icon {
				    font-size: 1.8rem;
				    color: var(--eco-green);
				    min-width: 50px;
				    text-align: center;
				}
				
				.info-content h3 {
				    color: var(--deep-green);
				    margin-bottom: 0.8rem;
				    font-size: 1.2rem;
				}
				
				.map-container {
				    height: 300px;
				    border-radius: 12px;
				    overflow: hidden;
				    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
				}
				
				.map-container iframe {
				    width: 100%;
				    height: 100%;
				}
				
				.contact-form {
				    margin-top: 2rem;
				    background: white;
				    padding: 2rem;
				    border-radius: 12px;
				    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
				}
				
				.form-group {
				    display: grid;
				    grid-template-columns: 1fr 1fr;
				    gap: 1rem;
				    margin-bottom: 1rem;
				}
				
				input, select, textarea {
				    width: 100%;
				    padding: 0.8rem;
				    border: 1px solid rgba(44, 95, 45, 0.2);
				    border-radius: 6px;
				    font-size: 0.95rem;
				}
				
				textarea {
				    resize: vertical;
				}
				
				.submit-btn {
				    background: var(--eco-green);
				    color: white;
				    padding: 1rem 2rem;
				    border: none;
				    border-radius: 6px;
				    width: 100%;
				    cursor: pointer;
				    transition: all 0.3s;
				    margin-top: 1rem;
				}
				
				.submit-btn:hover {
				    background: var(--deep-green);
				    transform: translateY(-2px);
				}
				
				.social-links {
				    text-align: center;
				    margin-top: 3rem;
				}
				
				.social-icon {
				    display: inline-block;
				    margin: 0 1rem;
				    position: relative;
				}
				
				.social-icon img {
				    width: 40px;
				    height: 40px;
				    transition: transform 0.3s;
				}
				
				.social-icon:hover img {
				    transform: scale(1.1);
				}
				
				.qrcode-popup {
				    display: none;
				    position: absolute;
				    bottom: 50px;
				    left: 50%;
				    transform: translateX(-50%);
				    background: white;
				    padding: 0.5rem;
				    border-radius: 8px;
				    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
				}
				
				.wechat:hover .qrcode-popup {
				    display: block;
				}
				
				@media (max-width: 1024px) {
				    .contact-container {
				        grid-template-columns: 1fr;
				    }
				    
				    .map-container {
				        height: 250px;
				    }
				}