:root {
            --primary-color: #2a6e3f;
            --secondary-color: #d4af37;
            --accent-color: #8b4513;
            --light-bg: #f8f9fa;
            --dark-text: #333;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            overflow-x: hidden;
        }
        .navbar-brand img {
            max-height: 50px;
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 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');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .card-hover {
            transition: var(--transition);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
            padding: 10px 25px;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: #1f5a30;
            border-color: #1f5a30;
            transform: scale(1.05);
        }
        .bg-light-custom {
            background-color: var(--light-bg);
        }
        .product-card img {
            height: 200px;
            object-fit: cover;
        }
        .news-card img {
            height: 200px;
            object-fit: cover;
        }
        .contact-info i {
            color: var(--primary-color);
            margin-right: 10px;
        }
        footer {
            background-color: #222;
            color: #ccc;
        }
        .flink {
            color: #ddd;
            text-decoration: none;
            padding: 5px 10px;
            border-radius: 4px;
            transition: var(--transition);
            display: inline-block;
            margin: 3px;
        }
        .flink:hover {
            background-color: rgba(255,255,255,0.1);
            color: white;
            transform: translateY(-2px);
        }
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 50%;
            margin-right: 10px;
            transition: var(--transition);
        }
        .social-icon:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            transition: var(--transition);
        }
        .back-to-top.show {
            opacity: 1;
        }
        .map-container {
            height: 400px;
            width: 100%;
            border-radius: 8px;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }