:root {
            --primary: #c62828;
            --primary-dark: #8e0000;
            --primary-light: #ff5f52;
            --secondary: #263238;
            --secondary-light: #4f5b62;
            --accent: #ff9800;
            --text: #f5f5f5;
            --text-secondary: #b0bec5;
            --bg: #121212;
            --bg-card: #1e1e1e;
            --bg-light: #2d2d2d;
            --border: #424242;
            --success: #4caf50;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: var(--text);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            position: relative;
        }
        .nav-link:hover {
            background: var(--bg-light);
            text-decoration: none;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--bg-card);
            padding: 1rem;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            list-style: none;
        }
        .breadcrumb-item {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--primary);
        }
        .search-section {
            padding: 3rem 0;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg) 100%);
        }
        .search-container {
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--border);
            border-radius: 50px;
            background: var(--bg-card);
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.2);
        }
        .search-btn {
            padding: 1rem 2rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(198, 40, 40, 0.4);
        }
        .main-content {
            flex: 1;
            padding: 3rem 0;
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
        }
        .article-title {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 1.5rem;
        }
        .article-body {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .article-content {
            font-size: 1.1rem;
        }
        .content-section {
            margin-bottom: 3rem;
            padding: 2rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        h2 {
            font-size: 2.2rem;
            margin: 2rem 0 1.5rem;
            color: var(--primary-light);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.8rem;
            margin: 1.5rem 0 1rem;
            color: var(--accent);
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.2rem 0 0.8rem;
            color: var(--text);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(198, 40, 40, 0.1) 0%, rgba(255, 152, 0, 0.1) 100%);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: var(--bg-light);
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            border: 2px solid var(--border);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: scale(1.02);
            border-color: var(--primary);
        }
        .tip-box {
            background: var(--bg-light);
            border: 2px solid var(--accent);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 1.5rem 0;
            position: relative;
        }
        .tip-box::before {
            content: '💡';
            position: absolute;
            top: -15px;
            left: 20px;
            background: var(--bg-card);
            padding: 0 10px;
            font-size: 1.5rem;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background: var(--bg-light);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .comparison-table th {
            background: var(--secondary);
            color: var(--text);
            font-weight: 600;
        }
        .comparison-table tr:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary-light);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border);
        }
        .download-btn {
            display: block;
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            text-align: center;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.1rem;
            margin: 1rem 0;
            transition: var(--transition);
        }
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(198, 40, 40, 0.3);
            text-decoration: none;
        }
        .rating-section {
            padding: 2rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            margin: 3rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--border);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--accent);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input, .form-textarea {
            padding: 1rem;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            align-self: flex-start;
            padding: 1rem 2.5rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(198, 40, 40, 0.4);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
            padding: 2rem;
            background: var(--bg-light);
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .web-link {
            padding: 1rem;
            background: var(--bg-card);
            border-radius: calc(var(--radius) - 4px);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .web-link:hover {
            border-color: var(--primary);
            transform: translateX(5px);
        }
        .footer {
            background: var(--secondary);
            color: var(--text-secondary);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--text);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .article-body {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .article-title {
                font-size: 2.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-title {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .content-section {
                padding: 1.5rem;
            }
            .comparison-table {
                display: block;
                overflow-x: auto;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out forwards;
        }
        .text-center { text-align: center; }
        .text-primary { color: var(--primary); }
        .text-accent { color: var(--accent); }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .px-1 { padding-left: 1rem; padding-right: 1rem; }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }