* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #0056b3; 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; }
        .italic { font-style: italic; }
        .highlight { background-color: #fff3cd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .site-header {
            background: linear-gradient(135deg, #0a2463 0%, #3e7cb1 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: 2.2rem;
            font-weight: 900;
            color: #ffd166;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Impact', 'Arial Black', sans-serif;
            text-shadow: 2px 2px 0 #e63946;
        }
        .my-logo a { color: inherit; }
        .my-logo a:hover { color: #fff; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.2);
            color: #ffd166;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 10px 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .search-module {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem auto;
            max-width: 600px;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid #3e7cb1;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-button {
            background-color: #e63946;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-button:hover { background-color: #c1121f; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }
        h1 {
            color: #0a2463;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 15px;
        }
        h2 {
            color: #3e7cb1;
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
            border-top: 1px dashed #dee2e6;
        }
        h3 {
            color: #495057;
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            color: #6c757d;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #0a2463;
            font-weight: 500;
            margin-bottom: 2rem;
        }
        .feature-img {
            width: 100%;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 8px;
            font-size: 0.95rem;
        }
        ul, ol { margin: 1rem 0 1rem 2rem; }
        blockquote {
            border-left: 5px solid #ffd166;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #0a2463;
            border-bottom: 2px solid #e63946;
            padding-bottom: 8px;
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 0;
        }
        .related-links a {
            display: block;
            padding: 10px;
            background: #f8f9fa;
            border-radius: 6px;
            border-left: 4px solid #3e7cb1;
        }
        .related-links a:hover {
            background: #e9ecef;
            border-left-color: #e63946;
        }
        .interactive-module {
            background: #fff;
            border: 2px solid #dee2e6;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .module-title {
            color: #0a2463;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            margin: 10px 0;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffd700; }
        .form-group { margin-bottom: 1rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        .submit-btn {
            background: #0a2463;
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            align-self: flex-start;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #3e7cb1; }
        .site-footer {
            background: #212529;
            color: #adb5bd;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h4 {
            color: #ffd166;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            list-style: none;
        }
        .friend-links a {
            color: #adb5bd;
            background: #343a40;
            padding: 8px 15px;
            border-radius: 5px;
            display: inline-block;
        }
        .friend-links a:hover {
            background: #495057;
            color: white;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #343a40;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #0a2463;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active ul { display: flex; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article, .sidebar { padding: 1.5rem; }
            .main-nav ul { gap: 0.5rem; }
            .main-nav a { display: block; padding: 12px; }
        }