* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #e74c3c;
            --accent: #f39c12;
            --light: #ecf0f1;
            --dark: #1a1a2e;
            --gray: #7f8c8d;
            --success: #27ae60;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 2rem;
        }
        nav ul li a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }
        nav ul li a:hover {
            background-color: var(--secondary);
            color: white;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 12px 20px;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-box {
            margin: 2rem 0;
            text-align: center;
        }
        .search-box form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: 2px solid var(--primary);
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #c0392b;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }
        h1 {
            color: var(--primary);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        h2 {
            color: var(--secondary);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--accent);
        }
        h3 {
            color: var(--primary);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .note {
            background-color: #e8f6f3;
            border-left: 4px solid var(--success);
            padding: 1rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .warning {
            background-color: #fdedec;
            border-left: 4px solid var(--secondary);
            padding: 1rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .steps {
            counter-reset: step-counter;
            margin: 2rem 0;
        }
        .step {
            background: white;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 80px;
        }
        .step::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            background: var(--secondary);
            color: white;
            font-size: 1.5rem;
            font-weight: bold;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget h3 {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        .popular-links ul {
            list-style: none;
            margin-left: 0;
        }
        .popular-links li {
            margin-bottom: 0.8rem;
        }
        .popular-links a {
            color: var(--dark);
            text-decoration: none;
            display: block;
            padding: 10px;
            border-radius: 6px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .popular-links a:hover {
            background-color: #f0f0f0;
            border-left-color: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 1rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comments-section {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-top: 2rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .comment-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #1a252f;
        }
        .comment {
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 3rem 0 2rem;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        .social-links a {
            color: white;
            font-size: 1.5rem;
            margin-left: 1rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent);
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                width: 100%;
                flex-direction: column;
                margin-top: 1rem;
                background-color: var(--primary);
                padding: 1rem;
                border-radius: 8px;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 0.5rem 0;
            }
            .mobile-toggle {
                display: block;
            }
            .article-content {
                padding: 1.5rem;
            }
            .footer-container {
                flex-direction: column;
                text-align: center;
            }
            .social-links {
                margin-top: 1rem;
            }
        }