:root {
            --primary: #2a2a72;
            --secondary: #009ffd;
            --accent: #ffa400;
            --dark: #232528;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --danger: #dc3545;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%);
            color: var(--light);
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--secondary);
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
            letter-spacing: 1px;
        }
        .my-logo a {
            background: none;
            padding: 0;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--light);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover {
            background: rgba(0, 159, 253, 0.15);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--light);
            background: none;
            border: none;
        }
        .breadcrumb {
            background: rgba(42, 42, 114, 0.3);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--light);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--gray);
        }
        main {
            padding: 2rem 0;
            min-height: 100vh;
        }
        article {
            background: rgba(30, 30, 46, 0.8);
            border-radius: 15px;
            padding: 3rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 164, 0, 0.1);
            margin-bottom: 3rem;
        }
        h1, h2, h3, h4 {
            font-family: 'Orbitron', sans-serif;
            margin-bottom: 1.5rem;
            color: var(--light);
            line-height: 1.3;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--accent);
            text-align: center;
            margin-bottom: 2rem;
            text-shadow: 0 0 15px rgba(255, 164, 0, 0.5);
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.4rem;
            color: var(--secondary);
            margin-top: 3rem;
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #e0e0ff;
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #b0b0ff;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #ccccff;
            background: rgba(0, 159, 253, 0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(90deg, transparent, rgba(255, 164, 0, 0.1), transparent);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border: 1px solid rgba(255, 164, 0, 0.2);
        }
        .image-container {
            margin: 3rem auto;
            text-align: center;
            max-width: 900px;
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            border: 3px solid var(--secondary);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 159, 253, 0.4);
        }
        .img-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 1rem;
            font-size: 0.95rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }
        .card {
            background: rgba(20, 20, 40, 0.9);
            border-radius: var(--border-radius);
            padding: 2rem;
            border-top: 4px solid var(--secondary);
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 159, 253, 0.3);
        }
        .card h3 {
            color: var(--accent);
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--border-radius);
            background: rgba(10, 10, 20, 0.8);
            color: var(--light);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 159, 253, 0.3);
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: linear-gradient(90deg, var(--secondary), #0080cc);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            font-size: 1rem;
        }
        .btn:hover {
            background: linear-gradient(90deg, var(--accent), #ff8c00);
            color: var(--dark);
            transform: scale(1.05);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
        }
        .related-links {
            background: rgba(42, 42, 114, 0.2);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .related-links h3 {
            color: var(--accent);
            margin-top: 0;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .links-grid a {
            display: block;
            padding: 0.8rem 1rem;
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--border-radius);
            border-left: 3px solid var(--secondary);
            transition: var(--transition);
        }
        .links-grid a:hover {
            background: rgba(0, 159, 253, 0.2);
            transform: translateX(5px);
        }
        footer {
            background: rgba(10, 10, 20, 0.98);
            padding: 3rem 0 1.5rem;
            border-top: 2px solid var(--secondary);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            color: var(--accent);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid rgba(255, 164, 0, 0.3);
            padding-bottom: 0.5rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            margin-bottom: 0.8rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(0, 159, 253, 0.15);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
            article {
                padding: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 20, 0.98);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 2rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
                border-top: 1px solid var(--secondary);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            article {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.1rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        article {
            animation: fadeInUp 0.8s ease-out;
        }