:root {
            --primary-color: #2a6e3f;
            --secondary-color: #f8b229;
            --accent-color: #3a8b5c;
            --light-color: #f8f9fa;
            --dark-color: #1e3a2a;
            --text-color: #333;
            --text-light: #666;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .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 100px;
            position: relative;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            color: var(--dark-color);
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 70px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: -40px auto 20px;
            color: white;
            font-size: 2rem;
            box-shadow: 0 5px 15px rgba(42, 110, 63, 0.3);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--accent-color);
            border-color: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(42, 110, 63, 0.3);
        }
        .btn-outline-primary {
            color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .product-card {
            overflow: hidden;
            position: relative;
        }
        .product-card img {
            transition: var(--transition);
            height: 250px;
            object-fit: cover;
        }
        .product-card:hover img {
            transform: scale(1.05);
        }
        .product-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: var(--transition);
            padding: 20px;
        }
        .product-card:hover .product-overlay {
            opacity: 1;
        }
        .stats-counter {
            background: linear-gradient(rgba(42, 110, 63, 0.9), rgba(42, 110, 63, 0.95)), url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 0;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--secondary-color);
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-img {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 20px;
            border: 5px solid white;
            box-shadow: var(--box-shadow);
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding-top: 70px;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .footer-bottom {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 20px 0;
            margin-top: 50px;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 10px 20px;
            margin: 8px;
            border-radius: 50px;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            border: 1px solid #eee;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .contact-info i {
            width: 40px;
            height: 40px;
            background-color: rgba(42, 110, 63, 0.1);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            margin-right: 15px;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            margin-top: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background-color: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
            padding-left: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            border: 3px solid var(--primary-color);
        }
        .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;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            text-decoration: none;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--accent-color);
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 60px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2.5rem;
            }
        }
