* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4a1f8a;
            --secondary-color: #ff9f00;
            --accent-color: #00c2ff;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --dark-bg: #2d1b5c;
            --border-radius: 12px;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
        }
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
            margin: 2rem 0;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 6px solid var(--secondary-color);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark-bg);
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo:hover {
            color: var(--secondary-color);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background: var(--secondary-color);
            transform: translateY(-2px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 1rem;
            background: var(--dark-bg);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background: var(--light-bg);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--primary-color);
            border-radius: 50px;
            font-size: 1.1rem;
        }
        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary-color);
            transform: scale(1.05);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .qr-section {
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            text-align: center;
            border: 3px dashed var(--accent-color);
        }
        .qr-container {
            display: inline-block;
            padding: 1.5rem;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 1.5rem 0;
        }
        .qr-code {
            width: 200px;
            height: 200px;
            background: #333;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.9rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9c4 0%, #fff176 100%);
            border-left: 5px solid var(--secondary-color);
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .code-item {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
        }
        .code-item:hover {
            transform: translateY(-5px);
            border-color: var(--secondary-color);
            box-shadow: 0 8px 25px rgba(255, 159, 0, 0.2);
        }
        .code-value {
            font-family: monospace;
            font-size: 1.3rem;
            background: var(--light-bg);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            color: var(--primary-color);
            font-weight: bold;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 2px solid var(--light-bg);
        }
        .rating-system {
            text-align: center;
            padding: 2rem;
            background: var(--light-bg);
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--secondary-color);
            transform: scale(1.2);
        }
        .comment-section {
            background: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .comment-form {
            display: grid;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input, .form-textarea {
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        .submit-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 1.2rem 2.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            justify-self: start;
        }
        .submit-btn:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
        }
        .web-links-container {
            background: var(--light-bg);
            padding: 3rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .web-link {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateX(10px);
            background: linear-gradient(135deg, white 0%, #f0f7ff 100%);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        footer {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a0f3d 100%);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            color: var(--secondary-color);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            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(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .search-form {
                flex-direction: column;
            }
            .article-content,
            .search-section,
            .comment-section {
                padding: 1.5rem;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .text-highlight {
            background: linear-gradient(120deg, #ff9f00 0%, #ff9f00 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            padding: 0 0.2rem;
            font-weight: 700;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--accent-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
            line-height: 1;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .comparison-table th {
            background: var(--primary-color);
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .comparison-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid #eee;
        }
        .comparison-table tr:nth-child(even) {
            background: var(--light-bg);
        }
        .comparison-table tr:hover {
            background: #e3f2fd;
        }