* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --secondary: #10b981;
            --accent: #f59e0b;
            --text: #1f2937;
            --text-light: #6b7280;
            --bg: #f9fafb;
            --card-bg: #ffffff;
            --border: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        body {
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: white;
            border-radius: var(--radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .section {
            padding: 60px 0;
        }
        .header {
            background-color: var(--card-bg);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo i {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.05rem;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--card-bg);
            padding: 20px;
            box-shadow: var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px;
            border-bottom: 1px solid var(--border);
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f3f4f6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
        }
        .main-content {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content h1 {
            font-size: 2.8rem;
            margin-bottom: 25px;
            color: var(--primary-dark);
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
            color: var(--text);
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin: 40px 0 15px;
            color: var(--primary);
        }
        .article-content h4 {
            font-size: 1.4rem;
            margin: 30px 0 10px;
            color: var(--text-light);
        }
        .article-content p {
            margin-bottom: 25px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-content em {
            color: var(--secondary);
            font-style: italic;
        }
        .article-content blockquote {
            border-left: 5px solid var(--accent);
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: var(--text-light);
            background-color: #fef3c7;
            padding: 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .article-content ul, .article-content ol {
            margin: 20px 0 20px 40px;
        }
        .article-content li {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        .featured-image {
            margin: 40px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            padding: 10px;
            font-style: italic;
            color: var(--text-light);
            background-color: var(--border);
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #fbbf24;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .related-links a {
            display: block;
            padding: 12px;
            margin-bottom: 10px;
            background-color: #f3f4f6;
            border-radius: var(--radius);
            transition: background-color 0.3s;
        }
        .related-links a:hover {
            background-color: var(--primary);
            color: white;
        }
        .comment-section {
            margin-top: 60px;
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-list {
            margin-top: 40px;
        }
        .comment {
            padding: 20px;
            border-bottom: 1px solid var(--border);
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .footer {
            background-color: #1f2937;
            color: #f9fafb;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #d1d5db;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background-color: #374151;
            padding: 20px;
            border-radius: var(--radius);
            margin: 20px 0;
            color: #d1d5db;
        }
        friend-link a {
            color: var(--accent);
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-4 {
            margin-bottom: 1.5rem;
        }
        .last-updated {
            color: var(--text-light);
            font-style: italic;
            margin: 20px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 5px 10px;
            border-radius: 4px;
            font-weight: 600;
        }