:root {
            --primary-color: #0a5c36;
            --secondary-color: #1e7e34;
            --accent-color: #34a853;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color);
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            color: var(--dark-color);
            margin: 0 10px;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 92, 54, 0.85), rgba(26, 26, 26, 0.9)), url('https://images.unsplash.com/photo-1612817288484-6f91600674a?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 150px 0 100px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--primary-color);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            border-top: 4px solid var(--primary-color);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: white;
            font-size: 1.8rem;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(10, 92, 54, 0.2);
        }
        .service-item {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
            transition: transform 0.3s;
        }
        .service-item:hover {
            transform: translateY(-8px);
        }
        .service-img {
            height: 220px;
            overflow: hidden;
        }
        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .service-item:hover .service-img img {
            transform: scale(1.05);
        }
        .stats-box {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 40px 20px;
            border-radius: 10px;
            text-align: center;
            margin-bottom: 30px;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            display: block;
        }
        .stats-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .flink {
            display: inline-block;
            background: #f1f8ff;
            color: #0366d6;
            padding: 8px 20px;
            margin: 8px 10px;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #d1e6ff;
            font-weight: 500;
        }
        .flink:hover {
            background: #0366d6;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(3, 102, 214, 0.3);
            text-decoration: none;
        }
        footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding-top: 80px;
        }
        .footer-links h5 {
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-links h5:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--primary-color);
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        .copyright {
            border-top: 1px solid #333;
            padding: 25px 0;
            margin-top: 50px;
            font-size: 0.9rem;
            color: #888;
        }
        .contact-info li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--primary-color);
        }
        .carousel-item {
            height: 500px;
        }
        .carousel-item img {
            object-fit: cover;
            height: 100%;
        }
        .carousel-caption {
            background: rgba(0, 0, 0, 0.6);
            padding: 30px;
            border-radius: 10px;
            bottom: 60px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
            }
            .carousel-item {
                height: 350px;
            }
            .stats-number {
                font-size: 2.5rem;
            }
        }