* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-blue: #1e3a8a;
            --secondary-blue: #3b82f6;
            --accent-yellow: #fbbf24;
            --accent-red: #ef4444;
            --light-bg: #f8fafc;
            --dark-text: #1f2937;
            --gray-text: #6b7280;
            --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;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-blue);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue), #1e40af);
            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: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--accent-yellow);
        }
        .my-logo i {
            color: var(--accent-yellow);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #e5e7eb;
            padding: 0.75rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 0.5rem;
            color: var(--gray-text);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem auto;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        h1, h2, h3, h4 {
            color: var(--primary-blue);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--accent-yellow);
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--secondary-blue);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark-text);
        }
        h4 {
            font-size: 1.4rem;
            color: var(--gray-text);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--primary-blue);
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #dbeafe;
            border-radius: 8px;
            border-left: 4px solid var(--secondary-blue);
        }
        .highlight {
            background-color: #fef3c7;
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid var(--accent-yellow);
            margin: 2rem 0;
        }
        .highlight strong {
            color: var(--primary-blue);
        }
        .info-box {
            background-color: #dbeafe;
            border-left: 5px solid var(--secondary-blue);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary-blue);
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--secondary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-blue);
        }
        .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: 0.5rem;
            color: var(--dark-text);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background-color: var(--secondary-blue);
            color: white;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn:hover {
            background-color: var(--primary-blue);
            text-decoration: none;
        }
        .stars {
            display: flex;
            gap: 5px;
            direction: rtl; 
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--accent-yellow);
        }
        .article-image {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-image img {
            border-radius: 10px;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .article-image figcaption {
            font-style: italic;
            color: var(--gray-text);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .internal-links {
            background-color: #f0f9ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        .internal-links h3 {
            margin-top: 0;
            color: var(--primary-blue);
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.75rem;
            list-style: none;
            padding-left: 0;
        }
        .internal-links li {
            margin-bottom: 0;
        }
        .internal-links a {
            display: block;
            padding: 0.75rem;
            background-color: white;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            color: var(--dark-text);
            transition: var(--transition);
        }
        .internal-links a:hover {
            background-color: var(--secondary-blue);
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .site-footer {
            background-color: var(--primary-blue);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
            display: inline-block;
        }
        .footer-links h4 {
            color: white;
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid var(--secondary-blue);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 1rem;
            background-color: rgba(255,255,255,0.1);
            border-radius: 6px;
            text-align: center;
        }
        friend-link a {
            color: var(--accent-yellow);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            color: #cbd5e1;
            font-size: 0.9rem;
        }
        .last-updated {
            font-style: italic;
            color: var(--gray-text);
            font-size: 0.9rem;
            text-align: right;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed var(--border-color);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-blue);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .header-content {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }