:root {
            --primary-color: #2a6e3f;
            --secondary-color: #f8b739;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 600;
            color: var(--primary-color);
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: #1e4f2d;
            border-color: #1e4f2d);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: #333;
            padding: 10px 25px;
            font-weight: 600;
        }
        .btn-secondary:hover {
            background-color: #e0a325;
            border-color: #e0a325;
            color: #333;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            color: var(--dark-color) !important;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(42, 110, 63, 0.85), rgba(42, 110, 63, 0.9)), url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .icon-box {
            text-align: center;
            padding: 30px 20px;
            border-radius: 10px;
            transition: var(--transition);
            background-color: #fff;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            height: 100%;
        }
        .icon-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .icon-box i {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .product-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
        }
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .product-card img {
            height: 250px;
            object-fit: cover;
            width: 100%;
        }
        .bg-light-alt {
            background-color: #f8fdf9;
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-member img {
            width: 180px;
            height: 180px;
            object-fit: cover;
            border-radius: 50%;
            border: 5px solid #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 20px;
        }
        .contact-info-box {
            padding: 30px;
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            text-align: center;
            height: 100%;
        }
        .contact-info-box i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #ccc;
        }
        .footer a:hover {
            color: white;
        }
        .copyright {
            border-top: 1px solid #444;
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
        }
        .friendlink {
            background-color: #fff;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .flink {
            display: inline-block;
            background-color: #f8f9fa;
            color: #555;
            padding: 8px 20px;
            margin: 5px 10px 5px 0;
            border-radius: 30px;
            border: 1px solid #eee;
            transition: var(--transition);
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }
        .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: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            color: #333;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .navbar-nav .nav-link {
                padding: 0.5rem 0 !important;
            }
        }