* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4f46e5;
            --secondary-color: #10b981;
            --accent-color: #f59e0b;
            --text-color: #1f2937;
            --light-bg: #f9fafb;
            --dark-bg: #111827;
            --border-color: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: var(--light-bg);
            font-size: 18px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            color: var(--primary-color);
            background-color: #f3f4f6;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: white;
            padding: 20px;
            box-shadow: var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            text-decoration: none;
            color: var(--text-color);
            font-weight: 600;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f8fafc;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #6b7280;
        }
        main {
            padding: 40px 0;
        }
        .article-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-container {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--dark-bg);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--text-color);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 20px;
            border-left: 4px solid var(--accent-color);
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        aside {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-section {
            margin-bottom: 30px;
        }
        .sidebar-section h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 8px;
        }
        .search-form {
            display: flex;
            margin-bottom: 15px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid var(--border-color);
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #4338ca;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .rating-stars i {
            color: #d1d5db;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent-color);
        }
        .rating-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #0da271;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 15px;
            resize: vertical;
            min-height: 150px;
        }
        .comment-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #4338ca;
        }
        .article-img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6b7280;
            margin-top: -20px;
            margin-bottom: 30px;
        }
        .footer-links {
            background-color: var(--dark-bg);
            padding: 40px 0;
            margin-top: 60px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        .web-link {
            background-color: #1f2937;
            padding: 15px;
            border-radius: 5px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #374151;
            transform: translateY(-3px);
        }
        .web-link a {
            color: #e5e7eb;
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background-color: #0f172a;
            color: #cbd5e1;
            padding: 30px 0;
            text-align: center;
        }
        .copyright {
            font-size: 0.9rem;
            margin-top: 20px;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .desktop-nav {
                display: none;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 25px;
            }
            body {
                font-size: 16px;
            }
        }
        @media print {
            .desktop-nav, .mobile-nav, .breadcrumb, aside, .footer-links, .search-form, .rating-form, .comment-form {
                display: none !important;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
        }