:root {
            --primary-dark: #0a2e5c; 
            --primary-blue: #0052a5;
            --accent-red: #c41230; 
            --accent-green: #2e8b57;
            --neutral-light: #f8f9fa;
            --neutral-mid: #6c757d;
            --neutral-dark: #212529;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--neutral-light);
            color: var(--neutral-dark);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: var(--primary-blue);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-red);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            color: var(--accent-red);
        }
        .breadcrumb {
            padding: 0.8rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: var(--neutral-mid);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: #ffd700;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ffd700;
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .hero {
            background: linear-gradient(rgba(10, 46, 92, 0.85), rgba(0, 82, 165, 0.85)), url('https://images.unsplash.com/photo-1543321269-9d86d3680e1c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
            color: white;
            text-align: center;
            padding: 4rem 1rem;
            margin-bottom: 2rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .main-content {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .article-content h2 {
            color: var(--primary-dark);
            border-left: 5px solid var(--accent-red);
            padding-left: 15px;
            margin: 2rem 0 1rem;
        }
        .article-content h3 {
            color: var(--primary-blue);
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            display: block;
            box-shadow: var(--shadow);
        }
        .highlight {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box {
            background-color: #e7f3ff;
            border: 1px solid var(--primary-blue);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-green);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-dark);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.3rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ccc;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffc107;
        }
        .btn-submit {
            background-color: var(--accent-green);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-submit:hover {
            background-color: #1e6b3a;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffd700;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #ddd;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: var(--primary-dark);
                padding: 1rem;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }