:root {
            --primary-color: #c62828;
            --secondary-color: #ff9800;
            --dark-color: #333333;
            --light-color: #f8f9fa;
            --text-color: #444444;
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        h1 {
            font-size: 3rem;
        }
        h2 {
            font-size: 2.5rem;
            position: relative;
            padding-bottom: 15px;
        }
        h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--primary-color);
            border-radius: 2px;
        }
        .text-center h2:after {
            left: 50%;
            transform: translateX(-50%);
        }
        p {
            margin-bottom: 1.2rem;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            transition: var(--transition);
        }
        .navbar.scrolled {
            padding: 10px 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--dark-color) !important;
            margin: 0 5px;
            padding: 8px 15px !important;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            background-color: var(--primary-color);
            color: white !important;
        }
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1414235077428-338989a2e8c0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 180px 0 120px;
            position: relative;
        }
        .hero h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            animation: fadeInDown 1s;
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            animation: fadeInUp 1s;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #a71e1e;
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background-color: #e68900;
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .about-section {
            padding: 100px 0;
            background-color: #f9f9f9;
        }
        .about-img {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .about-img:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-hover);
        }
        .services-section {
            padding: 100px 0;
        }
        .service-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 30px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--primary-color);
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .team-section {
            padding: 100px 0;
            background-color: #f9f9f9;
        }
        .team-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            margin-bottom: 30px;
        }
        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        .team-img {
            height: 250px;
            object-fit: cover;
        }
        .team-info {
            padding: 25px;
        }
        .stats-section {
            padding: 80px 0;
            background: linear-gradient(rgba(198, 40, 40, 0.9), rgba(198, 40, 40, 0.9)), url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-attachment: fixed;
            color: white;
        }
        .stats-section h2, .stats-section h3, .stats-section p {
            color: white;
        }
        .stat-item h3 {
            font-size: 3rem;
            margin-bottom: 5px;
        }
        .news-section {
            padding: 100px 0;
        }
        .news-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            margin-bottom: 30px;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        .news-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .news-content {
            padding: 25px;
        }
        .contact-section {
            padding: 100px 0;
            background-color: #f9f9f9;
        }
        .contact-info {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
            height: 100%;
        }
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-right: 15px;
            margin-top: 5px;
        }
        footer {
            background-color: #222;
            color: #ddd;
            padding: 80px 0 30px;
        }
        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: 3px;
            background-color: var(--primary-color);
        }
        .footer-links a {
            color: #bbb;
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            color: white;
            transition: var(--transition);
        }
        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 50px;
            text-align: center;
            font-size: 0.9rem;
            color: #aaa;
        }
        .friendlinks {
            background-color: #f1f1f1;
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background-color: white;
            border-radius: 30px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .hero {
                padding: 150px 0 100px;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.3rem;
            }
            .about-section, .services-section, .team-section, .news-section, .contact-section {
                padding: 70px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 0 !important;
                margin: 2px 0;
            }
        }
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s, transform 0.8s;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }