:root {
            --primary: #0a5c36;
            --secondary: #2e8b57;
            --accent: #6cbb3c;
            --light: #f8f9fa;
            --dark: #343a40;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Helvetica Neue', 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary);
        }
        .nav-link {
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 92, 54, 0.85), rgba(46, 139, 87, 0.9)), url('https://images.unsplash.com/photo-1532187863486-abf9dbad1b69?ixlib=rb-4.0.3&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;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        .card-hover {
            transition: var(--transition);
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .product-card {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid #e9ecef;
        }
        .product-img {
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover .product-img {
            transform: scale(1.05);
        }
        .news-card {
            border-left: 4px solid var(--accent);
            transition: var(--transition);
        }
        .news-card:hover {
            background-color: #f8fff8;
            border-left-color: var(--primary);
        }
        .flink {
            display: inline-block;
            padding: 8px 16px;
            background: #f1f8ff;
            border-radius: 6px;
            margin: 5px;
            color: #0366d6;
            text-decoration: none;
            transition: var(--transition);
        }
        .flink:hover {
            background: #0366d6;
            color: white;
            transform: translateY(-2px);
        }
        .footer {
            background-color: #1a252f;
            color: #b0b7c3;
        }
        .footer a {
            color: #dee2e6;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--accent);
        }
        .contact-info li {
            margin-bottom: 12px;
            padding-left: 24px;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--accent);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 1000;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .section-title::after {
                width: 60px;
            }
        }