* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #003366;
            --secondary-color: #CC0000;
            --accent-color: #FFD700;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--accent-color);
        }
        .logo:hover {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--accent-color);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
        }
        .nav-mobile a {
            display: block;
            color: white;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .nav-mobile a:hover {
            color: var(--accent-color);
            padding-left: 10px;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--gray-color);
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            padding-bottom: 20px;
            border-bottom: 3px solid var(--primary-color);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: var(--gray-color);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content .highlight {
            background-color: rgba(255, 215, 0, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            font-style: italic;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .article-content .stats-box {
            background-color: var(--light-color);
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 25px 0;
            box-shadow: var(--shadow);
        }
        .article-content .stats-box h4 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        .article-content ul, .article-content ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .article-content strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .article-content em {
            color: var(--secondary-color);
        }
        .featured-image {
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            padding: 10px;
            background-color: var(--light-color);
            font-style: italic;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .sidebar {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        @media (max-width: 992px) {
            .sidebar {
                position: static;
            }
        }
        .sidebar h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        .search-box {
            margin-bottom: 30px;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary-color);
        }
        .rating-form {
            margin-bottom: 30px;
            padding: 20px;
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .rating-form h4 {
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin-bottom: 15px;
            direction: rtl;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--accent-color);
        }
        .rating-form button {
            width: 100%;
            padding: 12px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--secondary-color);
        }
        .comment-form {
            margin-top: 30px;
        }
        .comment-form h4 {
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            width: 100%;
            padding: 14px;
            background-color: var(--secondary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #aa0000;
        }
        .footer-links {
            background-color: var(--light-color);
            padding: 40px 0;
            border-top: 1px solid #ddd;
            border-bottom: 1px solid #ddd;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        @media (max-width: 992px) {
            .web-links-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 576px) {
            .web-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background-color: white;
            padding: 15px;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary-color);
            font-weight: 600;
            display: block;
            text-align: center;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 40px 0 20px;
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .footer-container {
                flex-direction: column;
                text-align: center;
            }
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .footer-links-list {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .footer-links-list a {
            color: white;
        }
        .footer-links-list a:hover {
            color: var(--accent-color);
        }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mb-30 { margin-bottom: 30px; }
        .mt-40 { margin-top: 40px; }
        .emoji { font-size: 1.2em; }