* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4f46e5;
            --primary-dark: #3730a3;
            --secondary-color: #10b981;
            --accent-color: #f59e0b;
            --text-color: #1f2937;
            --text-light: #6b7280;
            --bg-color: #f9fafb;
            --card-bg: #ffffff;
            --border-color: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --header-height: 70px;
            --footer-bg: #111827;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--bg-color);
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .btn {
            display: inline-block;
            padding: 0.75rem 1.75rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #0da271;
        }
        .section {
            padding: 4rem 0;
        }
        .section-title {
            font-size: 2.25rem;
            margin-bottom: 2rem;
            color: var(--text-color);
            position: relative;
            padding-bottom: 0.75rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }
        .text-center {
            text-align: center;
        }
        .main-header {
            background-color: var(--card-bg);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .logo a {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo-icon {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            font-weight: 600;
            color: var(--text-color);
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--primary-color);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--text-color);
            cursor: pointer;
        }
        .nav-mobile {
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background-color: var(--card-bg);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            padding: 1.5rem;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
        }
        .nav-mobile a {
            display: block;
            padding: 0.75rem 0;
            font-weight: 600;
            color: var(--text-color);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-mobile a:hover {
            color: var(--primary-color);
            padding-left: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb .current {
            color: var(--primary-color);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 5rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.25rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .search-section {
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--border-color);
            border-radius: 0.5rem 0 0 0.5rem;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-btn {
            padding: 0 1.5rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 0.5rem 0.5rem 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--primary-dark);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        .article-content {
            background-color: var(--card-bg);
            border-radius: 1rem;
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .featured-image {
            margin-bottom: 2.5rem;
            border-radius: 0.75rem;
            overflow: hidden;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .article-content h1 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        .article-content h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: var(--text-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        .article-content h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--primary-dark);
        }
        .article-content h4 {
            font-size: 1.25rem;
            margin: 1.5rem 0 0.75rem;
            color: var(--text-color);
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #fef3c7, #fef9c3);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            border-radius: 0 0.5rem 0.5rem 0;
            margin: 2rem 0;
        }
        .highlight-box p {
            margin-bottom: 0;
            font-weight: 600;
        }
        .inline-link {
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .inline-link:hover {
            text-decoration-thickness: 2px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            border-radius: 1rem;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.25rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
            color: var(--primary-dark);
        }
        .related-links ul {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .related-links li::before {
            content: '•';
            color: var(--primary-color);
            font-weight: bold;
            position: absolute;
            left: 0;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.5rem;
            color: #fbbf24;
            margin-bottom: 1rem;
            cursor: pointer;
        }
        .stars span {
            margin: 0 0.1rem;
            transition: var(--transition);
        }
        .stars span:hover,
        .stars span.active {
            transform: scale(1.2);
        }
        .comment-section {
            background-color: var(--card-bg);
            border-radius: 1rem;
            padding: 3rem;
            box-shadow: var(--shadow);
            margin-bottom: 4rem;
        }
        .comment-form .form-group {
            margin-bottom: 1.5rem;
        }
        .comment-form label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--border-color);
            border-radius: 0.5rem;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .main-footer {
            background-color: var(--footer-bg);
            color: #d1d5db;
            padding: 4rem 0 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
            display: block;
        }
        .footer-about p {
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .footer-links h3,
        .footer-social h3 {
            font-size: 1.125rem;
            color: white;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-links h3::after,
        .footer-social h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-color);
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #d1d5db;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 0.5rem;
        }
        .social-icons {
            display: flex;
            gap: 1rem;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #374151;
            color: white;
            border-radius: 50%;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        friend-link {
            display: block;
            background-color: #1f2937;
            padding: 2rem;
            border-radius: 0.75rem;
            margin-bottom: 2rem;
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .friend-links a {
            color: #d1d5db;
            padding: 0.75rem 1rem;
            background-color: #374151;
            border-radius: 0.5rem;
            display: block;
            transition: var(--transition);
        }
        .friend-links a:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            font-size: 0.875rem;
            color: #9ca3af;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 3rem 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1.125rem;
            }
            .article-content {
                padding: 2rem;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.75rem;
            }
            .article-content h3 {
                font-size: 1.375rem;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .comment-section,
            .search-section {
                padding: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            .friend-links {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 3rem 0;
            }
            .container {
                padding: 0 1rem;
            }
        }