* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            background-color: #f8f8f8;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 头部样式 */
        header {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo h1 {
            font-size: 24px;
            color: #2e7d32;
            margin-left: 10px;
        }
        
        .logo-icon {
            font-size: 28px;
            color: #2e7d32;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #2e7d32;
        }
        
        .btn {
            display: inline-block;
            background-color: #2e7d32;
            color: #fff;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: 500;
            transition: background-color 0.3s;
            user-select: none;
        }
        
        .btn:hover {
            background-color: #1b5e20;
        }
        
        /* 产品展示区域 */
        .products {
            padding: 80px 0;
            background-color: #fff;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: #2e7d32;
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background-color: #f8f8f8;
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
        }
        
        .product-img {
            height: 200px;
            background-color: #e0e0e0;
            background-size: cover;
            background-position: center;
            border: 5px solid #f8f8f8;
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: #2e7d32;
        }
        
        .product-info p {
            color: #666;
            margin-bottom: 15px;
        }

        .info {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .more {
            height: 270px;
            overflow-x: auto;
        }

        .product-card .none {
            display: none;
        }

        .detail-overlay {
    position: fixed;
    left: 0; top: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
}
.detail-fullscreen {
    position: fixed;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    max-width: 600px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    padding: 40px 30px 30px 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.detail-fullscreen .more {
    height: auto;
    overflow: visible;
    color: #333;
    margin-bottom: 30px;
}
.detail-fullscreen .back-btn {
    margin-top: 10px;
}
        
        /* 关于我们区域 */
        .about {
            padding: 80px 0;
            background-color: #f1f8e9;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
            padding-right: 30px;
        }
        
        .about-text h2 {
            font-size: 36px;
            color: #2e7d32;
            margin-bottom: 20px;
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            height: 400px;
            background-color: #e0e0e0;
            background-size: cover;
            background-position: center;
            border-radius: 8px;
        }
        
        /* 优势区域 */
        .advantages {
            padding: 80px 0;
            background-color: #fff;
        }
        
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .advantage-card {
            text-align: center;
            padding: 30px 20px;
            border-radius: 8px;
            background-color: #f8f8f8;
            transition: transform 0.3s;
        }
        
        .advantage-card:hover {
            transform: translateY(-5px);
        }
        
        .advantage-icon {
            font-size: 40px;
            color: #2e7d32;
            margin-bottom: 20px;
        }
        
        .advantage-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: #333;
        }
        
        /* 联系区域 */
        .contact {
            padding: 80px 0;
            background-color: #f1f8e9;
        }
        
        .contact-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .contact-info {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-info h2 {
            font-size: 36px;
            color: #2e7d32;
            margin-bottom: 20px;
        }
        
        .contact-info p {
            margin-bottom: 15px;
        }
        
        .contact-form {
            flex: 1;
            min-width: 300px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
        }
        
        .form-group textarea {
            height: 150px;
        }
        
        /* 页脚样式 */
        footer {
            background-color: #2e7d32;
            color: #fff;
            padding: 20px 0 20px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 200px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: #fff;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column ul li a:hover {
            color: #c5e1a5;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .copyright a {
            color: white;
            text-decoration: none;
        }
        .backToTop {
            display: none;
            position: fixed;
            right: 30px;
            bottom: 120px;
            width: 48px;
            height: 48px;
            background: #2e7d32;
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 28px;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(46,125,50,0.2);
            z-index: 999;
            transition: background 0.3s, transform 0.2s;
        }
        .backToTop:hover {
            background: #1b5e20;
            transform: translateY(-4px) scale(1.08);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
            }
            
            nav ul {
                margin-top: 20px;
            }
            
            nav ul li {
                margin-left: 15px;
                margin-right: 15px;
            }
            
            .hero h2 {
                font-size: 32px;
            }
            
            .about-text,
            .about-image {
                flex: 100%;
                padding-right: 0;
                margin-bottom: 30px;
            }
        }