:root {
            --primary-color: #2a6e3f;
            --secondary-color: #e8f5e9;
            --accent-color: #d4a574;
            --text-dark: #333;
            --text-light: #666;
            --light-bg: #f9f9f9;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 600;
            color: var(--primary-color);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--accent-color);
        }
        .nav-link {
            font-weight: 500;
            margin: 0 8px;
            color: var(--text-dark) !important;
            transition: color 0.3s;
        }
        .nav-link:hover, .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-1544367567-0f2fcb009e0b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 120px 0;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 25px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 35px;
            max-width: 700px;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 500;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #1f5a32;
            border-color: #1f5a32;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .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(--accent-color);
        }
        .service-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid #eee;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            width: 80px;
            height: 80px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 30px auto 20px;
            color: var(--primary-color);
            font-size: 2rem;
        }
        .feature-box {
            background-color: var(--light-bg);
            border-radius: 12px;
            padding: 40px 30px;
            text-align: center;
            height: 100%;
            transition: all 0.3s;
        }
        .feature-box:hover {
            background-color: var(--secondary-color);
            transform: translateY(-5px);
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 20px;
            border: 5px solid var(--secondary-color);
        }
        .testimonial-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            height: 100%;
            border-left: 5px solid var(--accent-color);
        }
        .testimonial-text {
            font-style: italic;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .contact-info-box {
            background-color: var(--secondary-color);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            height: 100%;
            transition: all 0.3s;
        }
        .contact-info-box:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .contact-info-box:hover h5,
        .contact-info-box:hover i {
            color: white;
        }
        .contact-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 60px 0 20px;
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer h5:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        .flink {
            display: inline-block;
            background-color: #f0f0f0;
            color: #555;
            padding: 8px 20px;
            margin: 5px 10px 5px 0;
            border-radius: 30px;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #ddd;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 60px 0;
        }
        .sticky-top {
            top: 20px;
        }
        .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: all 0.3s;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--accent-color);
            color: var(--text-dark);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }
        .content-area {
            min-height: 300px;
            background-color: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            margin-bottom: 30px;
        }
        .about-img {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            margin-top: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background-color: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
            padding-left: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: var(--accent-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        .article-img {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 20px;
            height: 200px;
            object-fit: cover;
        }
        .blog-card {
            height: 100%;
            transition: all 0.3s;
        }
        .blog-card:hover {
            transform: translateY(-10px);
        }
        .pagination .page-link {
            color: var(--primary-color);
        }
        .pagination .page-item.active .page-link {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }