:root {
            --primary-green: #0a5c36;
            --secondary-gold: #d4af37;
            --accent-blue: #005a9c;
            --dark-bg: #1a1a1a;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #fff;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 90%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: var(--primary-green);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: 2px solid var(--primary-green);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: transparent;
            color: var(--primary-green);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .btn-secondary {
            background: var(--secondary-gold);
            border-color: var(--secondary-gold);
            color: var(--dark-bg);
        }
        .btn-secondary:hover {
            background: transparent;
            color: var(--secondary-gold);
        }
        header {
            background: var(--dark-bg);
            color: var(--text-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .header-top {
            padding: 15px 0;
            border-bottom: 1px solid #444;
        }
        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary-gold);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--text-light);
        }
        .search-box {
            display: flex;
            width: 300px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 50px 0 0 50px;
            background: #333;
            color: white;
            outline: none;
        }
        .search-box button {
            background: var(--primary-green);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 20px;
            cursor: pointer;
        }
        .search-box button:hover {
            background: var(--accent-blue);
        }
        nav {
            padding: 15px 0;
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1rem;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--secondary-gold);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-gold);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--dark-bg);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px;
            border-bottom: 1px solid #444;
            font-weight: 600;
        }
        .nav-mobile a:hover {
            background: #333;
            color: var(--secondary-gold);
            padding-left: 25px;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f0f0f0;
            font-size: 0.9rem;
        }
        .breadcrumb .container {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--accent-blue);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1531415074968-036ba1b575da?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 100px 20px;
            margin-bottom: 50px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 50px;
            margin-bottom: 50px;
        }
        .article-header {
            border-bottom: 3px solid var(--secondary-gold);
            padding-bottom: 25px;
            margin-bottom: 40px;
        }
        .article-header h2 {
            font-size: 2.5rem;
            color: var(--primary-green);
            margin-bottom: 15px;
        }
        .meta {
            display: flex;
            gap: 20px;
            color: #666;
            font-size: 0.9rem;
        }
        .meta i { margin-right: 5px; }
        .content-section {
            margin-bottom: 60px;
        }
        .content-section h3 {
            font-size: 1.8rem;
            color: var(--accent-blue);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dotted #ddd;
        }
        .content-section p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.05rem;
        }
        .content-section ul, .content-section ol {
            margin-left: 30px;
            margin-bottom: 20px;
        }
        .content-section li {
            margin-bottom: 10px;
        }
        .highlight {
            background: #fff9e6;
            border-left: 5px solid var(--secondary-gold);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight h4 {
            color: var(--primary-green);
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        .img-container {
            margin: 40px 0;
            text-align: center;
        }
        .img-container img {
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .interactive-module {
            background: #f5f7fa;
            border-radius: var(--border-radius);
            padding: 30px;
            margin: 40px 0;
            border: 1px solid #e1e5eb;
        }
        .module-title {
            font-size: 1.5rem;
            color: var(--primary-green);
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module-title i { color: var(--secondary-gold); }
        .rating-box {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            color: #ffc107;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form, .rating-form {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--accent-blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0,90,156,0.1);
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            color: var(--secondary-gold);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--secondary-gold);
        }
        .footer-links a {
            display: block;
            padding: 8px 0;
            color: #ccc;
            border-bottom: 1px solid #333;
        }
        .footer-links a:hover {
            color: var(--secondary-gold);
            padding-left: 10px;
        }
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: #333;
            border-radius: 50%;
            font-size: 1.2rem;
        }
        .social-links a:hover {
            background: var(--primary-green);
            transform: translateY(-5px);
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding: 15px;
            background: #222;
            border-radius: var(--border-radius);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.8rem; }
            article { padding: 30px; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .search-box { width: 250px; }
        }
        @media (max-width: 768px) {
            .hero { padding: 70px 20px; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1.1rem; }
            .article-header h2 { font-size: 2rem; }
            .content-section h3 { font-size: 1.5rem; }
            .search-box { width: 200px; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            .container { width: 95%; padding: 0 15px; }
            .hero h1 { font-size: 1.8rem; }
            article { padding: 20px; }
            .btn { padding: 10px 20px; }
            .search-box { display: none; }
            .meta { flex-direction: column; gap: 10px; }
        }