* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #8a2be2;
            --secondary-color: #ff4500;
            --dark-bg: #1a1a2e;
            --content-bg: #0f3460;
            --text-color: #f0f8ff;
            --accent-color: #00bfff;
            --border-color: #2d4059;
            --card-bg: #16213e;
            --hover-color: #9d4edd;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: var(--dark-bg);
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--content-bg) 100%);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            text-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .desktop-nav a:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background-color: var(--content-bg);
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 1rem 0;
        }
        .mobile-nav a {
            color: var(--text-color);
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .mobile-nav a:hover {
            background-color: var(--primary-color);
        }
        .breadcrumb {
            background-color: var(--card-bg);
            padding: 1rem 2rem;
            margin: 0 auto;
            max-width: 1400px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--accent-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--text-color);
        }
        .search-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-form {
            display: flex;
            background: var(--card-bg);
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .search-form:focus-within {
            border-color: var(--primary-color);
            box-shadow: 0 0 20px rgba(138, 43, 226, 0.3);
        }
        .search-input {
            flex: 1;
            padding: 1.2rem 1.5rem;
            border: none;
            background: transparent;
            color: var(--text-color);
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.3s;
        }
        .search-btn:hover {
            transform: scale(1.05);
        }
        .main-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 1100px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--content-bg);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: var(--accent-color);
            line-height: 1.3;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--accent-color);
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
            color: #ffd700;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            font-weight: 600;
            color: #ffd700;
            background-color: rgba(255, 215, 0, 0.1);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #ffd700;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: rgba(138, 43, 226, 0.2);
            padding: 2rem;
            border-radius: 10px;
            border: 2px solid var(--primary-color);
            margin: 2rem 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .code-card {
            background: linear-gradient(145deg, var(--card-bg), #1a2b4d);
            border-radius: 10px;
            padding: 1.5rem;
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .code-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-color);
            box-shadow: 0 10px 20px rgba(138, 43, 226, 0.3);
        }
        .code-value {
            font-family: 'Courier New', monospace;
            font-size: 1.5rem;
            font-weight: bold;
            color: #00ff9d;
            background-color: rgba(0, 0, 0, 0.3);
            padding: 0.8rem;
            border-radius: 5px;
            margin: 1rem 0;
            text-align: center;
            letter-spacing: 1px;
        }
        .reward-list {
            list-style: none;
        }
        .reward-list li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed var(--border-color);
        }
        .reward-list li:before {
            content: "🎁";
            margin-right: 10px;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-img {
            max-width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 3px solid var(--primary-color);
            transition: transform 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        aside {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 2rem;
            height: fit-content;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        .sidebar-section {
            margin-bottom: 2.5rem;
        }
        .sidebar-section h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
            margin-bottom: 1.5rem;
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-list a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }
        .sidebar-list a:hover {
            color: var(--accent-color);
        }
        .sidebar-list i {
            margin-right: 10px;
            color: var(--primary-color);
        }
        .interactive-section {
            background-color: rgba(255, 69, 0, 0.1);
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            border: 2px solid var(--secondary-color);
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            justify-content: center;
        }
        .star {
            font-size: 2.5rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s, transform 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-form input,
        .rating-form textarea {
            padding: 1rem;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-color);
            font-size: 1rem;
        }
        .rating-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1.2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(138, 43, 226, 0.3);
        }
        .web-links {
            background-color: var(--card-bg);
            padding: 3rem 2rem;
            margin-top: 3rem;
        }
        .web-links-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent-color);
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: rgba(138, 43, 226, 0.2);
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent-color);
        }
        footer {
            background-color: var(--dark-bg);
            padding: 3rem 2rem 1.5rem;
            text-align: center;
            border-top: 3px solid var(--primary-color);
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .social-links {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .social-links a {
            color: var(--text-color);
            font-size: 1.8rem;
            transition: all 0.3s ease;
        }
        .social-links a:hover {
            color: var(--accent-color);
            transform: translateY(-5px);
        }
        .copyright {
            color: #aaa;
            font-size: 0.95rem;
            line-height: 1.6;
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            width: 100%;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .bold { font-weight: 800; }
        .text-accent { color: var(--accent-color); }
        .text-primary { color: var(--primary-color); }
        @media (max-width: 768px) {
            .header-container {
                padding: 0.5rem 1rem;
            }
            .logo a {
                font-size: 1.8rem;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .main-container {
                padding: 1rem;
            }
            article {
                padding: 1.5rem;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .search-input {
                padding: 1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, aside, .search-container, .web-links {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .desktop-nav, .mobile-menu-btn, .search-container, 
            .interactive-section, .sidebar, .web-links, 
            .social-links, footer {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
            article {
                box-shadow: none;
                background: white;
                color: black;
            }
            a {
                color: blue;
                text-decoration: underline;
            }
        }