:root {
            --primary-green: #2e7d32;
            --secondary-green: #4caf50;
            --light-green: #e8f5e9;
            --dark-green: #1b5e20;
            --accent-gold: #ff9800;
            --text-dark: #333333;
            --text-light: #666666;
            --border-color: #e0e0e0;
            --transition-speed: 0.3s;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
            color: var(--text-dark);
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--dark-green);
            margin-bottom: 1.5rem;
        }
        .section-header {
            position: relative;
            margin-bottom: 3rem;
            padding-bottom: 1rem;
        }
        .section-header:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-gold);
        }
        .section-header.center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all var(--transition-speed) ease;
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
        }
        .navbar.scrolled {
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--dark-green) !important;
        }
        .navbar-brand span {
            color: var(--accent-gold);
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-dark) !important;
            margin: 0 0.5rem;
            position: relative;
            transition: color var(--transition-speed);
        }
        .nav-link:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-gold);
            transition: width var(--transition-speed);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-green) !important;
        }
        .nav-link:hover:after, .nav-link.active:after {
            width: 100%;
        }
        .hero-section {
            position: relative;
            height: 100vh;
            min-height: 700px;
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)), 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;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-content {
            max-width: 800px;
            z-index: 2;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
            color: white;
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        .btn-primary-custom {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
            color: white;
            padding: 0.8rem 2rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition-speed);
        }
        .btn-primary-custom:hover {
            background-color: var(--dark-green);
            border-color: var(--dark-green);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .service-card, .product-card, .news-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
            height: 100%;
            margin-bottom: 1.5rem;
        }
        .service-card:hover, .product-card:hover, .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        }
        .card-icon {
            width: 80px;
            height: 80px;
            background-color: var(--light-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 2rem auto 1.5rem;
            color: var(--primary-green);
            font-size: 2rem;
        }
        .about-section {
            background-color: #f9f9f9;
            padding: 6rem 0;
        }
        .stats-counter {
            text-align: center;
            padding: 2rem 1rem;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform var(--transition-speed);
        }
        .stats-counter:hover {
            transform: translateY(-5px);
        }
        .counter-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-green);
            display: block;
            margin-bottom: 0.5rem;
        }
        .product-img-container {
            height: 250px;
            overflow: hidden;
            border-radius: 12px 12px 0 0;
        }
        .product-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .product-card:hover .product-img-container img {
            transform: scale(1.05);
        }
        .news-img-container {
            height: 200px;
            overflow: hidden;
        }
        .news-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .news-card:hover .news-img-container img {
            transform: scale(1.05);
        }
        .partner-logo {
            height: 100px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 1rem;
            padding: 1rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform var(--transition-speed);
        }
        .partner-logo:hover {
            transform: translateY(-5px);
        }
        .partner-logo img {
            max-width: 100%;
            max-height: 60px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: filter var(--transition-speed), opacity var(--transition-speed);
        }
        .partner-logo:hover img {
            filter: grayscale(0);
            opacity: 1;
        }
        .friendlink {
            background-color: #f9f9f9;
            padding: 4rem 0;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            background-color: white;
            border-radius: 50px;
            color: var(--text-light);
            text-decoration: none;
            border: 1px solid var(--border-color);
            transition: all var(--transition-speed);
            font-weight: 500;
        }
        .flink:hover {
            background-color: var(--primary-green);
            color: white;
            border-color: var(--primary-green);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(46, 125, 50, 0.2);
        }
        .footer {
            background-color: var(--dark-green);
            color: rgba(255, 255, 255, 0.85);
            padding: 4rem 0 1.5rem;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        .footer a:hover {
            color: white;
        }
        .footer-title {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        .footer-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-gold);
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .social-icons a {
            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: 0.8rem;
            transition: background-color var(--transition-speed);
        }
        .social-icons a:hover {
            background-color: var(--accent-gold);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 3rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .navbar-collapse {
                background-color: white;
                padding: 1rem;
                border-radius: 8px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                margin-top: 1rem;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .section-header {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-section {
                min-height: 600px;
            }
            .counter-number {
                font-size: 2rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.8s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.2s;
        }
        .delay-2 {
            animation-delay: 0.4s;
        }
        .delay-3 {
            animation-delay: 0.6s;
        }