:root {
            --primary-color: #2a6e3f;
            --secondary-color: #f8b229;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --text-color: #333;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .navbar-brand i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        .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') center/cover no-repeat;
            color: white;
            padding: 120px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            color: var(--primary-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--secondary-color);
        }
        .card {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .product-img {
            height: 250px;
            object-fit: cover;
            transition: var(--transition);
        }
        .product-card:hover .product-img {
            transform: scale(1.05);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 30px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #1e4f2c;
            border-color: #1e4f2c;
            transform: translateY(-3px);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: #333;
        }
        .btn-secondary:hover {
            background-color: #e6a020;
            border-color: #e6a020;
            color: #333;
        }
        .stats-section {
            background-color: var(--primary-color);
            color: white;
            padding: 80px 0;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .footer {
            background-color: #222;
            color: #aaa;
            padding-top: 60px;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #444;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--primary-color);
            transform: translateY(-5px);
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background: white;
            border-radius: 30px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: var(--transition);
            color: #555;
            text-decoration: none;
            border: 1px solid #eee;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .contact-info i {
            color: var(--primary-color);
            margin-right: 10px;
            width: 20px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 50px;
            font-size: 1.2rem;
            z-index: 1000;
            cursor: pointer;
            display: none;
            transition: var(--transition);
        }
        .back-to-top:hover {
            background: #1e4f2c;
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .stat-number {
                font-size: 2.5rem;
            }
        }