:root {
            --primary-green: #2a8a5c;
            --secondary-green: #3bb78f;
            --accent-yellow: #f4c542;
            --light-bg: #f9fcf8;
            --dark-text: #2a2a2a;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-green) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--primary-green) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(42, 138, 92, 0.85), rgba(59, 183, 143, 0.8)), url('https://images.unsplash.com/photo-1605000797499-95a51c5269ae?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
            text-align: center;
            color: var(--primary-green);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-yellow);
        }
        .product-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(42, 138, 92, 0.15);
        }
        .product-card img {
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .product-card:hover img {
            transform: scale(1.05);
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background: var(--light-bg);
            border-radius: 30px;
            color: var(--dark-text);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-green);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: #1a3c2f;
            color: #ccc;
            padding-top: 3rem;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--accent-yellow);
        }
        .btn-primary-custom {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary-custom:hover {
            background-color: #1f6d4a;
            border-color: #1f6d4a;
            transform: scale(1.05);
        }
        .contact-icon {
            font-size: 2.5rem;
            color: var(--primary-green);
            margin-bottom: 1rem;
        }
        .process-step {
            border-left: 3px solid var(--secondary-green);
            padding-left: 2rem;
            margin-bottom: 2rem;
            position: relative;
        }
        .process-step::before {
            content: '';
            position: absolute;
            left: -10px;
            top: 0;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-green);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }