* { 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: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #1a6bc4; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .site-header {
            background: linear-gradient(135deg, #0a2e5c 0%, #1a6bc4 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Impact', 'Arial Black', sans-serif;
        }
        .my-logo span:first-child { color: #ffd700; }
        .my-logo span:last-child { color: #e63946; }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #0a2e5c;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            margin-bottom: 0.8rem;
        }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        main { padding: 2rem 0; }
        .article-header { margin-bottom: 2.5rem; }
        .article-header h1 {
            font-size: 2.8rem;
            color: #0a2e5c;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #6c757d;
            font-size: 0.9rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #dee2e6;
        }
        .last-updated i { margin-right: 5px; }
        .content-section {
            margin-bottom: 3rem;
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .content-section h2 {
            color: #1a6bc4;
            font-size: 2rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffd700;
        }
        .content-section h3 {
            color: #0a2e5c;
            font-size: 1.6rem;
            margin: 1.8rem 0 1rem;
        }
        .content-section h4 {
            color: #495057;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        .content-section p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .content-section ul, .content-section ol {
            margin-left: 2rem;
            margin-bottom: 1.2rem;
        }
        .content-section li { margin-bottom: 0.5rem; }
        .featured-img {
            margin: 2rem auto;
            text-align: center;
            border-radius: 8px;
            overflow: hidden;
            border: 5px solid #0a2e5c;
        }
        .featured-img figcaption {
            font-style: italic;
            padding: 0.5rem;
            background-color: #f1f3f5;
            color: #495057;
        }
        .module {
            background: #f8f9fa;
            border-left: 5px solid #1a6bc4;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .module h3 { margin-top: 0; }
        .search-module {
            background: #e7f1ff;
            border-left-color: #ffd700;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background: #1a6bc4;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-form button:hover { background: #0a2e5c; }
        .comment-form, .rating-form {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px dashed #dee2e6;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 4px;
            font-family: inherit;
        }
        .form-group textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            background: #28a745;
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #218838; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 2rem;
            color: #ccc;
        }
        .star-rating input { display: none; }
        .star-rating label {
            cursor: pointer;
            margin-right: 5px;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffd700;
        }
        .site-footer {
            background-color: #212529;
            color: #adb5bd;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #adb5bd; }
        .footer-links a:hover { color: white; }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: #343a40;
            border-radius: 4px;
            margin-bottom: 0.5rem;
            border-left: 3px solid #1a6bc4;
        }
        friend-link a { color: #e9ecef; font-weight: 600; }
        friend-link a:hover { color: #ffd700; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 992px) {
            .article-header h1 { font-size: 2.4rem; }
            .content-section h2 { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-container { flex-wrap: wrap; }
            .article-header h1 { font-size: 2rem; }
            .content-section { padding: 1.5rem; }
            .content-section h2 { font-size: 1.6rem; }
            .content-section h3 { font-size: 1.4rem; }
            .search-form { flex-direction: column; }
            .search-form input { border-radius: 4px; margin-bottom: 0.5rem; }
            .search-form button { border-radius: 4px; padding: 0.8rem; }
            .footer-container { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .article-header h1 { font-size: 1.7rem; }
            .content-section { padding: 1rem; }
            .article-meta { flex-direction: column; align-items: flex-start; }
        }