:root {
            --primary-color: #003366; /* Deep Blue */
            --secondary-color: #0066CC; /* Bright Blue */
            --accent-color: #0099CC; /* Light Blue */
            --light-color: #FFFFFF; /* White */
            --dark-color: #333333; /* Dark Gray */
            --gray-color: #CCCCCC; /* Light Gray */
            --success-color: #009933; /* Green */
            --warning-color: #FF9900; /* Orange */
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--dark-color);
            background-color: #F5F5F5;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
        }
        
        /* Navigation */
        .navbar {
            background-color: var(--primary-color);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            padding: 15px 0;
        }
        
        .navbar.scrolled {
            padding: 10px 0;
            background-color: rgba(0, 51, 102, 0.95);
        }
        
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--light-color);
            letter-spacing: 1px;
        }
        
        .navbar-brand span {
            color: var(--accent-color);
        }
        
        .nav-link {
            font-weight: 500;
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.8);
            transition: all 0.3s;
            position: relative;
            padding: 5px 0;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: width 0.3s;
        }
        
        .nav-link:hover {
            color: var(--light-color);
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .nav-link.active {
            color: var(--accent-color);
        }
        
        .nav-link.active::after {
            width: 100%;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 51, 102, 0.7), rgba(0, 51, 102, 0.8)), url('https://z-cdn-media.chatglm.cn/files/f91294a8-a478-4098-b615-a1d8e8154429_IMG-20251122-WA0002.jpg?auth_key=1863830412-e55356e13b5945f9adf81102d3634f82-0-24a62226f53fafae9c34ebb5e119d706');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: var(--light-color);
            padding: 200px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
            background-size: 100px 100px;
            z-index: 1;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero h1 {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 2px;
            animation: fadeInDown 1s ease;
        }
        
        .hero h1 span {
            color: var(--accent-color);
        }
        
        .hero p {
            font-size: 1.5rem;
            max-width: 700px;
            margin: 0 auto 30px;
            animation: fadeInUp 1s ease 0.3s both;
        }
        
        .hero-buttons {
            animation: fadeInUp 1s ease 0.6s both;
        }
        
        .btn-hero {
            padding: 15px 35px;
            font-weight: 600;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin: 0 10px;
            transition: all 0.3s;
            border: 2px solid transparent;
            animation: pulse 2s infinite;
        }
        
        .btn-hero:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        .btn-primary-custom {
            background-color: var(--accent-color);
            color: var(--light-color);
            border-color: var(--accent-color);
        }
        
        .btn-primary-custom:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }
        
        .btn-outline-custom {
            background-color: transparent;
            color: var(--light-color);
            border-color: var(--light-color);
        }
        
        .btn-outline-custom:hover {
            background-color: var(--light-color);
            color: var(--primary-color);
        }
        
        /* Section Styling */
        .section {
            padding: 100px 0;
            position: relative;
        }
        
        .section-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
            color: var(--primary-color);
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
        }
        
        .section-subtitle {
            color: #666666;
            margin-bottom: 50px;
            font-size: 1.2rem;
            max-width: 600px;
        }
        
        /* About Section */
        .about-section {
            background-color: var(--light-color);
        }
        
        .about-content {
            position: relative;
        }
        
        .about-content::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 100%;
            height: 100%;
            background-color: var(--accent-color);
            z-index: -1;
            opacity: 0.1;
        }
        
        .about-image {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.5s;
        }
        
        .about-image:hover {
            transform: scale(1.03);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        
        .about-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
            opacity: 0.2;
            z-index: 1;
            transition: all 0.5s;
        }
        
        .about-image:hover::before {
            opacity: 0;
        }
        
        /* Services Section */
        .services-section {
            background-color: #F0F7FF;
        }
        
        .service-card {
            background-color: var(--light-color);
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 40px 30px;
            margin-bottom: 30px;
            transition: all 0.5s;
            height: 100%;
            position: relative;
            overflow: hidden;
            border-top: 5px solid var(--accent-color);
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
            transform: translateX(-100%);
            transition: transform 0.5s;
        }
        
        .service-card:hover::before {
            transform: translateX(0);
        }
        
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .service-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            display: inline-block;
            transition: all 0.3s;
        }
        
        .service-card:hover .service-icon {
            color: var(--accent-color);
            transform: scale(1.1);
        }
        
        .service-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        /* Gallery Section */
        .gallery-section {
            background-color: var(--light-color);
        }
        
        .gallery-item {
            margin-bottom: 30px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.5s;
            position: relative;
        }
        
        .gallery-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
            opacity: 0;
            z-index: 1;
            transition: opacity 0.5s;
        }
        
        .gallery-item:hover::before {
            opacity: 0.8;
        }
        
        .gallery-item:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: var(--light-color);
            opacity: 0;
            transition: opacity 0.5s;
            z-index: 2;
            padding: 20px;
            text-align: center;
        }
        
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }
        
        .gallery-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        /* Testimonials Section */
        .testimonials-section {
            background-color: #F0F7FF;
        }
        
        .testimonial-card {
            background-color: var(--light-color);
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 30px;
            margin-bottom: 30px;
            position: relative;
            transition: all 0.5s;
            height: 100%;
        }
        
        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 5rem;
            color: var(--accent-color);
            opacity: 0.2;
            font-family: Georgia, serif;
        }
        
        .testimonial-text {
            margin-bottom: 20px;
            font-style: italic;
            font-size: 1.1rem;
            line-height: 1.6;
        }
        
        .testimonial-author {
            font-weight: 600;
            color: var(--primary-color);
            display: flex;
            align-items: center;
        }
        
        .testimonial-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
            border: 3px solid var(--accent-color);
        }
        
        .testimonial-author span {
            font-weight: normal;
            color: #666666;
            font-size: 0.9rem;
            display: block;
        }
        
        .testimonial-rating {
            color: var(--warning-color);
            margin-bottom: 15px;
        }
        
        /* Working Hours Section */
        .info-section {
            background-color: var(--light-color);
        }
        
        .info-card {
            background-color: #F0F7FF;
            border-radius: 10px;
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.5s;
            height: 100%;
        }
        
        .info-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .info-card-title {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 25px;
            color: var(--primary-color);
            display: flex;
            align-items: center;
        }
        
        .info-card-title i {
            margin-right: 15px;
            color: var(--accent-color);
            font-size: 2rem;
        }
        
        .info-item {
            display: flex;
            margin-bottom: 15px;
            align-items: center;
        }
        
        .info-item i {
            margin-right: 15px;
            color: var(--secondary-color);
            width: 20px;
            text-align: center;
        }
        
        .info-item .day {
            font-weight: 600;
            width: 120px;
        }
        
        .info-item .time {
            font-weight: 600;
            color: var(--accent-color);
        }
        
        .map-container {
            height: 400px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            margin-top: 30px;
        }
        
        /* Footer */
        .footer {
            background-color: var(--primary-color);
            color: var(--light-color);
            padding: 70px 0 30px;
            position: relative;
            overflow: hidden;
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
        }
        
        .footer-brand {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--light-color);
            letter-spacing: 1px;
        }
        
        .footer-brand span {
            color: var(--accent-color);
        }
        
        .footer-text {
            margin-bottom: 30px;
            opacity: 0.8;
        }
        
        .social-links a {
            color: var(--light-color);
            font-size: 1.5rem;
            margin-right: 15px;
            transition: all 0.3s;
            display: inline-block;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .social-links a:hover {
            color: var(--light-color);
            background-color: var(--accent-color);
            transform: translateY(-5px);
        }
        
        .footer-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
            position: relative;
        }
        
        .footer-links a::before {
            content: '→';
            position: absolute;
            left: -15px;
            opacity: 0;
            transition: all 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 15px;
        }
        
        .footer-links a:hover::before {
            opacity: 1;
            left: 0;
        }
        
        .contact-info {
            list-style: none;
            padding: 0;
        }
        
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        .contact-info i {
            margin-right: 15px;
            color: var(--accent-color);
            font-size: 1.2rem;
            width: 20px;
            text-align: center;
        }
        
        .footer-bottom {
            margin-top: 50px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        
        /* WhatsApp Button */
        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: #25D366;
            color: white;
            border: none;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            font-size: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            animation: pulse 2s infinite;
        }
        
        .whatsapp-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        /* Animations */
        @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);
            }
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 153, 204, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(0, 153, 204, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 153, 204, 0);
            }
        }
        
        /* Responsive */
        @media (max-width: 991.98px) {
            .hero h1 {
                font-size: 3rem;
            }
            
            .section {
                padding: 80px 0;
            }
            
            .section-title {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 767.98px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .section {
                padding: 60px 0;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .btn-hero {
                margin: 5px;
            }
        }