* { 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%, #e4e8ed 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #311b92 100%);
            color: #fff;
            padding: 1rem 5%;
            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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFD700;
            text-decoration: none;
            font-family: 'Palatino', serif;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            transition: transform 0.3s ease;
        }
        .my-logo:hover { transform: scale(1.05); }
        .main-nav { display: flex; align-items: center; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: #e0e0ff;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background-color: rgba(255, 215, 0, 0.2);
            color: #FFD700;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #FFD700;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 0.8rem 5%;
            background-color: #e8eaf6;
            font-size: 0.9rem;
            color: #555;
        }
        .breadcrumb a { color: #311b92; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            flex: 1;
            max-width: 1200px;
            width: 100%;
            margin: 2rem auto;
            padding: 0 5%;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        article {
            background: #fff;
            border-radius: 16px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 4px solid #FFD700;
            padding-bottom: 0.7rem;
        }
        h2 { color: #311b92; margin: 2.5rem 0 1rem; font-size: 2rem; padding-left: 0.5rem; border-left: 5px solid #FFD700; }
        h3 { color: #4527a0; margin: 2rem 0 1rem; font-size: 1.6rem; }
        h4 { color: #5e35b1; margin: 1.5rem 0 0.8rem; font-size: 1.3rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: #444;
            background-color: #f9f9ff;
            padding: 1.2rem;
            border-radius: 10px;
            border-left: 5px solid #1a237e;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.3rem 0.6rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .internal-link {
            color: #1a237e;
            text-decoration: none;
            border-bottom: 2px dotted #FFD700;
            font-weight: 600;
        }
        .internal-link:hover {
            background-color: #f0f0ff;
            border-bottom-style: solid;
        }
        img.featured {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        img.featured:hover { transform: scale(1.01); }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .interactive-module {
            background: #f8f9ff;
            border-radius: 12px;
            padding: 2rem;
            margin: 2.5rem 0;
            border: 1px solid #d1d9ff;
        }
        .module-title { color: #1a237e; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.8rem; }
        form { display: grid; gap: 1.2rem; }
        input, textarea, select {
            padding: 0.9rem;
            border: 1px solid #b0b7d0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #311b92;
            box-shadow: 0 0 0 3px rgba(49, 27, 146, 0.1);
        }
        button {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(90deg, #311b92, #1a237e);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(49, 27, 146, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active { color: #FFD700; }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 3rem 5% 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #FFD700;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #a0a0ff;
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover { color: #FFD700; text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            .main-content { padding: 0 3%; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #311b92;
                padding: 1rem 5%;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .nav-links.active { display: flex; }
            .nav-links li { margin: 0.5rem 0; }
            .header-container { flex-wrap: nowrap; }
            .my-logo { font-size: 1.8rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .interactive-module { padding: 1.5rem; }
            .footer-content { grid-template-columns: 1fr; }
        }