* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #0B2447;
            --primary-light: #19376D;
            --accent: #00C2CB;
            --accent-hover: #00A8B3;
            --text-dark: #1A1A2E;
            --text-gray: #5A5A6E;
            --text-light: #8A8A9A;
            --bg-light: #F5F7FA;
            --bg-white: #FFFFFF;
            --border: #E8ECF0;
            --shadow: rgba(11, 36, 71, 0.08);
            --shadow-hover: rgba(11, 36, 71, 0.15);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-white);
            font-size: 16px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            box-shadow: 0 2px 20px var(--shadow);
            z-index: 1000;
            height: 80px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        header.scrolled {
            height: 70px;
            box-shadow: 0 4px 30px var(--shadow-hover);
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo-icon {
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            /*width: 48px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 12px;
            color: white;
            font-size: 1.4rem;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(0, 194, 203, 0.3);*/
        }

        .logo-text {
            display: flex;
            flex-direction: column;
        }

        .logo-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .logo-subtitle {
            font-size: 0.75rem;
            color: var(--text-light);
            font-weight: 500;
            letter-spacing: 1px;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        nav a {
            text-decoration: none;
            color: var(--text-gray);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }

        nav a:hover {
            color: var(--primary);
        }

        nav a:hover::after {
            width: 100%;
        }

        .nav-cta {
            background: var(--accent);
            color: white !important;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600 !important;
            transition: all 0.3s ease;
        }

        .nav-cta::after {
            display: none !important;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 194, 203, 0.35);
        }

        /* Mobile Menu */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
        }

        .mobile-toggle span {
            width: 25px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: white;
            padding: 180px 0 120px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.5;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 0;
            right: 0;
            height: 200px;
            background: var(--bg-white);
            transform: skewY(-3deg);
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-content {
            max-width: 800px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.2); }
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            animation: fadeInUp 0.8s ease;
        }

        .hero p {
            font-size: 1.25rem;
            opacity: 0.9;
            margin-bottom: 16px;
            line-height: 1.8;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero-stats {
            display: flex;
            gap: 50px;
            margin-top: 50px;
            animation: fadeInUp 0.8s ease 0.4s both;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-top: 8px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            margin-top: 40px;
            animation: fadeInUp 0.8s ease 0.6s both;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 32px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--accent);
            color: white;
            box-shadow: 0 4px 20px rgba(0, 194, 203, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 194, 203, 0.45);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Section Common */
        section {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-gray);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* About Section */
        #about {
            background: var(--bg-white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .about-content p {
            color: var(--text-gray);
            margin-bottom: 20px;
            line-height: 1.9;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .about-feature {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .about-feature-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .about-feature-text {
            font-weight: 600;
            color: var(--text-dark);
        }

        .about-image {
            position: relative;
        }

        .about-image-main {
            width: 100%;
            height: 500px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 8rem;
            color: white;
            box-shadow: 0 30px 60px rgba(11, 36, 71, 0.2);
        }

        .about-image-badge {
            position: absolute;
            bottom: -30px;
            right: -30px;
            background: var(--accent);
            color: white;
            padding: 24px 32px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(0, 194, 203, 0.35);
        }

        .about-image-badge-number {
            font-size: 2rem;
            font-weight: 800;
        }

        .about-image-badge-text {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        /* Services Section */
        #services {
            background: var(--bg-light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 36px 28px;
            text-align: center;
            transition: all 0.4s ease;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px var(--shadow-hover);
            border-color: var(--border);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 2rem;
            box-shadow: 0 10px 30px rgba(11, 36, 71, 0.2);
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .service-card p {
            color: var(--text-gray);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .service-list {
            list-style: none;
            text-align: left;
        }

        .service-list li {
            padding: 8px 0;
            color: var(--text-gray);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-list li:last-child {
            border-bottom: none;
        }

        .service-list li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
        }

        /* Software Section */
        #software {
            background: var(--bg-white);
        }

        .software-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .software-content h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .software-content > p {
            color: var(--text-gray);
            line-height: 1.9;
            margin-bottom: 30px;
        }

        .software-features {
            display: grid;
            gap: 20px;
        }

        .software-feature {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--bg-light);
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .software-feature:hover {
            background: white;
            box-shadow: 0 10px 30px var(--shadow);
        }

        .software-feature-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .software-feature-text h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .software-feature-text p {
            color: var(--text-gray);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .software-image {
            position: relative;
        }

        .software-image-container {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 30px 60px rgba(11, 36, 71, 0.2);
        }

        .software-dashboard {
            background: white;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .software-dashboard-header {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
        }

        .software-dashboard-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--border);
        }

        .software-dashboard-dot:nth-child(1) { background: #FF5F57; }
        .software-dashboard-dot:nth-child(2) { background: #FFBD2E; }
        .software-dashboard-dot:nth-child(3) { background: #28CA41; }

        .software-dashboard-content {
            display: grid;
            gap: 16px;
        }

        .software-dashboard-row {
            display: flex;
            gap: 16px;
        }

        .software-dashboard-card {
            flex: 1;
            height: 80px;
            background: var(--bg-light);
            border-radius: 8px;
        }

        .software-dashboard-card.highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
        }

        /* Advantages Section */
        #advantages {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: white;
            padding: 100px 0;
        }

        #advantages .section-header h2 {
            color: white;
        }

        #advantages .section-header p {
            color: rgba(255, 255, 255, 0.8);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .advantage-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 36px 28px;
            text-align: center;
            transition: all 0.4s ease;
        }

        .advantage-card:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-8px);
            border-color: var(--accent);
        }

        .advantage-icon {
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .advantage-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .advantage-card p {
            font-size: 0.95rem;
            opacity: 0.85;
            line-height: 1.7;
        }

        /* Contact Section */
        #contact {
            background: var(--bg-light);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .contact-info h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .contact-info > p {
            color: var(--text-gray);
            line-height: 1.9;
            margin-bottom: 40px;
        }

        .contact-details {
            display: grid;
            gap: 24px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 24px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 15px var(--shadow);
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            transform: translateX(10px);
            box-shadow: 0 8px 25px var(--shadow-hover);
        }

        .contact-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .contact-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .contact-value {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            word-break: break-all;
        }

        .contact-map {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px var(--shadow);
        }

        .contact-map-placeholder {
            width: 100%;
            height: 400px;
            background: linear-gradient(135deg, #E8ECF0 0%, #F5F7FA 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-gray);
        }

        .contact-map-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .contact-map-text {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .contact-map-address {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 8px;
            text-align: center;
            max-width: 300px;
        }

        /* Footer */
        footer {
            background: var(--primary);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 50px;
        }

        .footer-brand .logo {
            margin-bottom: 20px;
        }

        .footer-brand .logo-title {
            color: white;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.2rem;
        }

        .footer-social a:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: white;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 14px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            nav {
                gap: 24px;
            }

            .hero h1 {
                font-size: 2.8rem;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .about-grid,
            .software-showcase,
            .contact-wrapper {
                grid-template-columns: 1fr;
                gap: 50px;
            }

            .about-image {
                order: -1;
            }

            .about-image-main {
                height: 350px;
            }

            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            header {
                height: 70px;
            }

            .mobile-toggle {
                display: flex;
            }

            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px 24px;
                gap: 20px;
                box-shadow: 0 10px 30px var(--shadow);
            }

            nav.active {
                display: flex;
            }

            .hero {
                padding: 140px 0 80px;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 24px;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .section-header h2 {
                font-size: 2rem;
            }

            .services-grid,
            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .about-features {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-stat-number {
                font-size: 2rem;
            }

            .contact-map-placeholder {
                height: 300px;
            }
        }