:root {
            --primary-color: #0a5c36;
            --secondary-color: #f8b739;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --text-color: #333;
            --border-radius: 8px;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .navbar-brand i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        .nav-link {
            color: var(--dark-color) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: color 0.3s;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 80%;
        }
        .hero-section {
            background: linear-gradient(rgba(10, 92, 54, 0.85), rgba(10, 92, 54, 0.9)), url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 150px 0 100px;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3.5rem;
            margin-bottom: 25px;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.3);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 40px;
            max-width: 700px;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border: none;
            color: var(--dark-color);
            padding: 12px 35px;
            border-radius: var(--border-radius);
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(248, 183, 57, 0.4);
        }
        .btn-primary-custom:hover {
            background-color: #e6a62e;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(248, 183, 57, 0.6);
        }
        .section-padding {
            padding: 100px 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 60px;
            text-align: center;
        }
        .section-title h2 {
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            border-radius: 2px;
        }
        .feature-box {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border-top: 5px solid var(--primary-color);
        }
        .feature-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        .feature-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 25px;
        }
        .service-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            height: 100%;
            background-color: white;
        }
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        .service-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .service-body {
            padding: 30px;
        }
        .stats-section {
            background: linear-gradient(to right, var(--primary-color), #0d7242);
            color: white;
            padding: 80px 0;
        }
        .stat-box {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--secondary-color);
            margin-bottom: 10px;
        }
        .stat-text {
            font-size: 1.2rem;
            font-weight: 500;
        }
        .team-member {
            text-align: center;
            margin-bottom: 40px;
        }
        .team-img {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid var(--light-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            margin-bottom: 25px;
        }
        .news-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s ease;
            height: 100%;
            background-color: white;
        }
        .news-card:hover {
            transform: translateY(-8px);
        }
        .news-date {
            background-color: var(--primary-color);
            color: white;
            padding: 8px 20px;
            display: inline-block;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            font-weight: 600;
            position: absolute;
            top: 0;
            left: 30px;
        }
        .news-body {
            padding: 25px;
        }
        .contact-info-box {
            background-color: var(--light-color);
            padding: 40px 30px;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--secondary-color);
            margin-bottom: 30px;
            height: 100%;
        }
        .contact-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .form-control-custom {
            padding: 15px;
            border-radius: var(--border-radius);
            border: 1px solid #ddd;
            transition: border 0.3s;
        }
        .form-control-custom:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(10, 92, 54, 0.25);
        }
        .footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 80px 0 30px;
        }
        .footer-title {
            color: white;
            margin-bottom: 30px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 15px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .footer-links a {
            color: #aaa;
            display: block;
            margin-bottom: 12px;
            transition: color 0.3s, padding-left 0.3s;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 8px;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #333;
            color: white;
            border-radius: 50%;
            margin-right: 12px;
            transition: all 0.3s ease;
        }
        .social-icons a:hover {
            background-color: var(--secondary-color);
            color: var(--dark-color);
            transform: translateY(-5px);
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 30px;
            margin-top: 50px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        .friendlink {
            background-color: var(--light-color);
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            padding: 15px 25px;
            margin: 10px 15px;
            border-radius: var(--border-radius);
            color: var(--dark-color);
            font-weight: 500;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            text-decoration: none;
            border: 1px solid #eee;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(10, 92, 54, 0.2);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
            text-decoration: none;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            color: var(--dark-color);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .section-padding {
                padding: 70px 0;
            }
            .stat-number {
                font-size: 2.8rem;
            }
        }
        .product-showcase {
            border-radius: var(--border-radius);
            overflow: hidden;
            position: relative;
            margin-bottom: 30px;
        }
        .product-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            color: white;
            padding: 30px;
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.4s ease;
        }
        .product-showcase:hover .product-overlay {
            transform: translateY(0);
            opacity: 1;
        }
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
            border-radius: 3px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            border-left: 5px solid var(--secondary-color);
        }
        .timeline-item:nth-child(even) .timeline-content {
            border-left: none;
            border-right: 5px solid var(--secondary-color);
        }
        .timeline-date {
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
        }