:root {
            --primary-color: #8b4513;
            --secondary-color: #d4af37;
            --dark-color: #2c1810;
            --light-color: #f8f5f0;
            --text-color: #333;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            background-color: var(--light-color);
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(44, 24, 16, 0.85), rgba(44, 24, 16, 0.9)), url('https://images.unsplash.com/photo-1576091160399-112ba8d25d1f?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 10rem 0;
            margin-bottom: 4rem;
        }
        .hero-title {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 2.5rem; }
            .hero-section { padding: 6rem 0; }
        }
        .section-title {
            color: var(--dark-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.75rem;
            margin-bottom: 2.5rem;
            display: inline-block;
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
            background-color: white;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-icon, .feature-icon {
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .img-hover-zoom {
            overflow: hidden;
        }
        .img-hover-zoom img {
            transition: transform 0.5s ease;
        }
        .img-hover-zoom:hover img {
            transform: scale(1.05);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: var(--dark-color);
            border-color: var(--dark-color);
        }
        .btn-outline-light:hover {
            color: var(--dark-color);
        }
        footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding-top: 3rem;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        .friendlink .flink {
            display: inline-block;
            margin: 0.5rem 1rem;
            padding: 0.5rem 1rem;
            background-color: rgba(255,255,255,0.1);
            border-radius: 5px;
            color: #eee;
            text-decoration: none;
            transition: all 0.3s;
        }
        .friendlink .flink:hover {
            background-color: var(--secondary-color);
            color: var(--dark-color);
            transform: scale(1.05);
        }
        .sticky-top {
            top: 20px;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(139, 69, 19, 0.1);
            color: var(--primary-color);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0;
        }
        .breadcrumb-item.active {
            color: var(--secondary-color);
        }
        .contact-info li {
            margin-bottom: 1rem;
        }
        .contact-info i {
            color: var(--secondary-color);
            margin-right: 10px;
            width: 20px;
        }