:root {
            --primary-color: #0a5c36;
            --secondary-color: #f8b320;
            --accent-color: #1e7e54;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: var(--transition);
            border-radius: var(--border-radius);
        }
        .nav-link:hover, .nav-link.active {
            background-color: rgba(10, 92, 54, 0.1);
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(10, 92, 54, 0.85), rgba(10, 92, 54, 0.9)), url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero-section p {
            font-size: 1.3rem;
            max-width: 700px;
            margin-bottom: 2rem;
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border: none;
            color: #333;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #e6a20c;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .section-title {
            position: relative;
            margin-bottom: 60px;
            text-align: center;
        }
        .section-title h2 {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 2.5rem;
            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: var(--secondary-color);
            border-radius: 2px;
        }
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
            border-top: 5px solid transparent;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            border-top-color: var(--secondary-color);
            box-shadow: 0 15px 30px rgba(0,0,0,0.12);
        }
        .feature-icon {
            width: 80px;
            height: 80px;
            background: rgba(10, 92, 54, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: var(--primary-color);
            font-size: 2rem;
        }
        .product-card {
            border: none;
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
            height: 100%;
        }
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .product-card img {
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover img {
            transform: scale(1.05);
        }
        .product-card .card-body {
            padding: 25px;
        }
        .product-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--secondary-color);
            color: #333;
            padding: 5px 15px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .news-card {
            border: none;
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-color);
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.2;
        }
        .news-date .day {
            font-size: 1.5rem;
        }
        .news-date .month {
            font-size: 0.85rem;
        }
        .contact-info {
            background: var(--light-color);
            border-radius: var(--border-radius);
            padding: 30px;
            height: 100%;
            box-shadow: var(--box-shadow);
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .map-container {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            height: 100%;
        }
        .map-container iframe {
            width: 100%;
            height: 100%;
            min-height: 300px;
            border: 0;
        }
        footer {
            background: #1a1a1a;
            color: #ccc;
            padding-top: 70px;
        }
        footer h5 {
            color: white;
            margin-bottom: 25px;
            font-weight: 600;
            position: relative;
            padding-bottom: 10px;
        }
        footer h5:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--secondary-color);
        }
        footer a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: #333;
            color: white;
            border-radius: 50%;
            margin-right: 10px;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--secondary-color);
            color: #333;
            transform: translateY(-5px);
        }
        .friendlink {
            background: #222;
            padding: 30px 0;
            border-top: 1px solid #333;
        }
        .flink {
            display: inline-block;
            color: #aaa;
            background: #333;
            padding: 8px 20px;
            margin: 5px 8px;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .flink:hover {
            background: var(--secondary-color);
            color: #333;
            transform: translateY(-3px);
        }
        .copyright {
            background: #111;
            padding: 20px 0;
            font-size: 0.9rem;
            color: #888;
            border-top: 1px solid #333;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--accent-color);
            color: white;
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 80px 0;
                min-height: 70vh;
            }
            .section-title h2 {
                font-size: 2rem;
            }
        }
        .stats-counter {
            background: linear-gradient(rgba(10, 92, 54, 0.9), rgba(10, 92, 54, 0.9)), url('https://images.unsplash.com/photo-1543163521-1bf539c55dd2?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 0;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--secondary-color);
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.2rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .modal-content {
            border-radius: var(--border-radius);
            overflow: hidden;
            border: none;
        }
        .certificate-img {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .certificate-img:hover {
            transform: scale(1.03);
        }
        .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;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 25px;
            height: 25px;
            right: -13px;
            background-color: white;
            border: 4px solid var(--secondary-color);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }
        .left {
            left: 0;
        }
        .right {
            left: 50%;
        }
        .right::after {
            left: -13px;
        }
        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        @media screen and (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 18px;
            }
            .right {
                left: 0%;
            }
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(10, 92, 54, 0.1);
            color: var(--primary-color);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(10, 92, 54, 0.25);
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(10, 92, 54, 0.25);
        }