:root {
            --primary-green: #2a6e3f;
            --secondary-green: #8bc34a;
            --light-green: #e9f7e6;
            --dark-gray: #333;
            --medium-gray: #666;
            --light-gray: #f8f9fa;
        }
        body {
            font-family: 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
            color: var(--dark-gray);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-green) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(42, 110, 63, 0.85), rgba(42, 110, 63, 0.9)), url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0 80px;
        }
        .section-title {
            color: var(--primary-green);
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 600;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background-color: var(--secondary-green);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .service-icon {
            font-size: 3rem;
            color: var(--primary-green);
            margin-bottom: 20px;
            display: inline-block;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-green);
            line-height: 1;
        }
        .bg-light-green {
            background-color: var(--light-green);
        }
        .btn-primary {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
            padding: 10px 30px;
            border-radius: 30px;
            font-weight: 600;
        }
        .btn-primary:hover, .btn-primary:focus {
            background-color: #1e5530;
            border-color: #1e5530;
        }
        .btn-outline-primary {
            color: var(--primary-green);
            border-color: var(--primary-green);
            border-radius: 30px;
            padding: 10px 30px;
            font-weight: 600;
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
        }
        footer {
            background-color: #222;
            color: #ccc;
        }
        .flink {
            display: inline-block;
            padding: 8px 15px;
            margin: 5px;
            background-color: #333;
            color: #aaa;
            border-radius: 5px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #444;
        }
        .flink:hover {
            background-color: var(--primary-green);
            color: white;
            border-color: var(--primary-green);
        }
        .contact-info li {
            margin-bottom: 12px;
        }
        .contact-info i {
            width: 24px;
            color: var(--secondary-green);
        }
        .news-date {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }
        .product-hover-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(42, 110, 63, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
            border-radius: 12px;
        }
        .product-img-container:hover .product-hover-overlay {
            opacity: 1;
        }
        .map-container iframe {
            width: 100%;
            height: 300px;
            border-radius: 12px;
            border: none;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 60px;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }