:root {
            --primary: #2a2d7c;
            --secondary: #ff4d00;
            --accent: #00c3ff;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f0f2f5;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--dark), var(--primary));
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            color: white;
            text-decoration: none;
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(to right, var(--accent), #ff8a00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 1rem auto 0;
            padding: 0 2rem;
            font-size: 0.9rem;
            color: #ccc;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .search-box {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
        }
        .search-box input {
            flex: 1;
            padding: 1.2rem 1.5rem;
            border: none;
            outline: none;
            font-size: 1.1rem;
        }
        .search-box button {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: linear-gradient(to right, var(--secondary), var(--primary));
        }
        .container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        main {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        article h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--secondary);
            padding-left: 1.5rem;
        }
        article h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eee;
        }
        article h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 600;
            background: linear-gradient(to right, #f8f9fa, #e9f7fe);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 2rem;
            border-radius: var(--border-radius);
            border: 1px solid #ffecb3;
            margin: 2rem 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .code-item {
            background: linear-gradient(135deg, #f5f7ff, #e3eeff);
            border: 2px dashed var(--primary);
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }
        .code-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-style: solid;
            border-color: var(--secondary);
        }
        .code-value {
            font-family: monospace;
            font-size: 1.4rem;
            font-weight: bold;
            color: var(--secondary);
            letter-spacing: 1px;
            margin: 0.5rem 0;
            word-break: break-all;
        }
        .reward {
            color: var(--primary);
            font-weight: 600;
        }
        .expiry {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 0.5rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--accent);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stat-label {
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .interview {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            border-left: 5px solid var(--secondary);
        }
        .quote {
            font-style: italic;
            color: var(--primary);
            font-size: 1.2rem;
            margin: 1.5rem 0;
            padding: 1.5rem;
            background: white;
            border-radius: var(--border-radius);
            position: relative;
        }
        .quote::before {
            content: '"';
            font-size: 4rem;
            color: var(--accent);
            position: absolute;
            top: -1rem;
            left: 1rem;
            opacity: 0.3;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 0.8rem;
            font-style: italic;
            color: var(--gray);
            font-size: 0.95rem;
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #eee;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dotted #eee;
        }
        .sidebar-list a {
            color: #333;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span {
            transition: var(--transition);
        }
        .stars span:hover {
            transform: scale(1.2);
        }
        .interaction-form {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
        }
        .form-title {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 195, 255, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: linear-gradient(to right, var(--secondary), var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(255, 77, 0, 0.3);
        }
        .web-links-section {
            max-width: 1400px;
            margin: 3rem auto 0;
            padding: 0 2rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: linear-gradient(135deg, #f8f9fa, #eef2ff);
            padding: 1.2rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateX(10px);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        footer {
            background: var(--dark);
            color: white;
            margin-top: 4rem;
            padding: 3rem 2rem 1.5rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-logo span {
            color: var(--accent);
        }
        .footer-about p {
            color: #ccc;
            margin-top: 1rem;
        }
        .footer-links h3, .footer-social h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border-radius: 50%;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--accent);
            transform: translateY(-5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            header {
                padding: 1rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .container, .search-container, .web-links-section {
                padding: 0 1rem;
            }
            main {
                padding: 2rem 1.5rem;
            }
            article h1 {
                font-size: 2.2rem;
            }
            .breadcrumb {
                padding: 0 1rem;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .search-box button {
                padding: 0 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        @media print {
            header, nav, .search-container, aside, .interaction-form, .web-links-section, footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .container {
                margin: 0;
                padding: 0;
            }
            main {
                box-shadow: none;
                padding: 0;
            }
        }