* { 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: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #d4af37; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #b8941f; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .site-header {
            background: linear-gradient(to right, #0c2461, #1e3799);
            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;
            font-family: Georgia, serif;
            background: linear-gradient(to right, #ffd700, #ffed4e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo a:hover { text-decoration: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #e0e0ff;
            font-weight: 600;
            padding: 0.5rem 0.2rem;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a:focus {
            color: #ffd700;
            border-bottom-color: #ffd700;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e8eeff;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #777;
        }
        .search-module {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 100, 0.08);
            margin: 2.5rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 700px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #d4af37;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(to right, #d4af37, #b8941f);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 2rem;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .search-button:hover { opacity: 0.9; }
        main { flex: 1; padding: 2rem 0; }
        article { background: white; border-radius: 16px; padding: 3rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); margin-bottom: 2rem; }
        h1 { font-size: 2.8rem; color: #0c2461; margin-bottom: 1.5rem; line-height: 1.2; border-bottom: 3px solid #ffd700; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #1e3799; margin: 2.5rem 0 1.2rem; padding-top: 1rem; }
        h3 { font-size: 1.8rem; color: #2c3e50; margin: 2rem 0 1rem; }
        h4 { font-size: 1.4rem; color: #34495e; margin: 1.5rem 0 0.8rem; }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 400;
            margin-bottom: 2rem;
            padding: 1rem;
            background: #f8f9ff;
            border-left: 5px solid #d4af37;
            border-radius: 0 8px 8px 0;
        }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 4px; font-weight: 600; }
        em { font-style: italic; color: #555; }
        strong { color: #0c2461; }
        .content-links { display: inline-block; font-weight: 600; border-bottom: 1px dotted #d4af37; }
        .content-links:hover { border-bottom-style: solid; }
        .feature-img {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 25px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
            margin-top: 0.5rem;
        }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.7rem; }
        .user-module {
            background: #f0f8ff;
            border: 1px dashed #4a90e2;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .module-title { color: #1e3799; font-size: 1.5rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 10px; }
        .rating-stars { color: #ffd700; font-size: 1.8rem; margin: 1rem 0; }
        .rating-stars .far { color: #ddd; }
        .form-group { margin-bottom: 1.2rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .submit-btn {
            background: linear-gradient(to right, #27ae60, #229954);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .submit-btn:hover { transform: translateY(-3px); }
        .site-footer {
            background: #0c2461;
            color: #ccd6f6;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #ffd700; margin-bottom: 1.2rem; font-size: 1.3rem; }
        friend-link {
            display: block;
            margin-bottom: 0.7rem;
        }
        friend-link a {
            color: #a0b3ff;
        }
        friend-link a:hover {
            color: #ffd700;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e3799;
            font-size: 0.9rem;
            color: #8892b0;
        }
        @media (max-width: 992px) {
            .header-container { flex-wrap: wrap; }
            .main-nav { order: 3; flex: 1 0 100%; margin-top: 1rem; }
            .main-nav ul { flex-direction: column; gap: 0; display: none; }
            .main-nav.active ul { display: flex; }
            .hamburger { display: block; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            article { padding: 2rem; }
            .feature-img { width: 100%; }
        }
        @media (max-width: 768px) {
            .search-form { flex-direction: column; }
            .search-input, .search-button { border-radius: 50px; margin-bottom: 0.5rem; }
            .footer-content { grid-template-columns: 1fr; }
        }