:root {
            --primary-color: #1a365d; 
            --secondary-color: #b8860b; 
            --accent-color: #c53030; 
            --text-color: #2d3748;
            --light-bg: #f7fafc;
            --border-color: #e2e8f0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(to right, #fde68a, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo span {
            color: #fff;
            -webkit-text-fill-color: initial;
            background: none;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: var(--radius);
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.1);
            color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #718096;
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        main {
            padding: 2rem 0 4rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.5rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #718096;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary-color);
            background: linear-gradient(to right, var(--light-bg), transparent);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 2.5rem;
            border-left: 4px solid var(--secondary-color);
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-size: 0.9rem;
            color: #718096;
            padding: 0.5rem;
            background-color: var(--light-bg);
        }
        .content-link {
            color: var(--accent-color);
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-color);
        }
        .content-link:hover {
            border-bottom-style: solid;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            border-top: 4px solid var(--secondary-color);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .module {
            background-color: #f8f9fa;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem;
            margin: 3rem 0;
        }
        .module h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .search-box form, .comment-form form, .rating-form form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            font-family: inherit;
            flex-grow: 1;
            min-width: 200px;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button, .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        button:hover, .btn:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
            direction: ltr;
        }
        .stars i {
            color: #cbd5e0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: #f6ad55;
        }
        footer {
            background-color: var(--primary-color);
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: white;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-top: 2rem;
        }
        friend-link h4 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 0.5rem;
            padding: 0.4rem 0.8rem;
            background-color: rgba(255,255,255,0.08);
            border-radius: 4px;
        }
        friend-link a:hover {
            background-color: rgba(255,255,255,0.15);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .last-updated {
            background-color: #e6fffa;
            color: #234e52;
            padding: 0.8rem;
            border-radius: var(--radius);
            margin-top: 2rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 1.8rem; }
        }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .hamburger { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-color);
                padding: 1rem 0;
                margin-top: 1rem;
                border-radius: var(--radius);
            }
            .nav-links.active { display: flex; }
            .nav-links a { padding: 0.75rem 1rem; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 1.2rem; }
            h1 { font-size: 1.9rem; }
            .search-box form, .comment-form form, .rating-form form { flex-direction: column; }
            input, textarea, select { min-width: 100%; }
        }