* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e31837; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(to right, #1a2a6c, #2c5aa0, #4a90e2);
            color: white;
            padding: 1rem 2rem;
            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;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #FFD700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo a { color: inherit; }
        .my-logo span { color: #fff; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 0.8rem 2rem;
            background-color: #f0f5ff;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #e31837; }
        .container {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        main { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
        article h1 {
            color: #1a2a6c;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 4px solid #FFD700;
            padding-bottom: 0.5rem;
        }
        article h2 {
            color: #2c5aa0;
            margin: 2.5rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #e31837;
        }
        article h3 {
            color: #4a90e2;
            margin: 1.8rem 0 0.8rem;
        }
        article h4 {
            color: #666;
            margin: 1.5rem 0 0.5rem;
        }
        article p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.7;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: bold;
            color: #1a2a6c;
            background: #f8ffd7;
            padding: 1rem;
            border-radius: 8px;
            border-left: 5px solid #FFD700;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .feature-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border: 5px solid #FFD700;
        }
        .caption { text-align: center; font-style: italic; color: #666; margin-top: 0.5rem; }
        aside {
            background: #f8faff;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: #1a2a6c;
            border-bottom: 2px solid #4a90e2;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px 0 0 4px;
        }
        .search-box button {
            background: #e31837;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        .search-box button:hover { background: #c2162f; }
        .rating-widget .stars {
            font-size: 1.5rem;
            color: #FFD700;
            margin: 0.5rem 0;
        }
        .rating-widget button {
            background: #2c5aa0;
            color: white;
            border: none;
            padding: 0.6rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            margin-top: 0.5rem;
            width: 100%;
        }
        .rating-widget button:hover { background: #1a2a6c; }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin-bottom: 0.5rem;
            resize: vertical;
            min-height: 100px;
        }
        .comment-form button {
            background: #28a745;
            color: white;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            width: 100%;
        }
        .comment-form button:hover { background: #218838; }
        footer {
            background: #1a2a6c;
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links h4 {
            color: #FFD700;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li { margin-bottom: 0.5rem; }
        .footer-links a { color: #ddd; }
        .footer-links a:hover { color: #FFD700; }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 6px;
            margin-top: 1rem;
        }
        friend-link a { color: #FFD700; font-weight: bold; }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container { grid-template-columns: 1fr; }
            aside { position: static; }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #1a2a6c;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul { display: flex; }
            .hamburger { display: block; }
            .header-container { padding: 1rem; }
            .container, .site-header, .breadcrumb { padding-left: 1rem; padding-right: 1rem; }
            main { padding: 1.5rem; }
            article h1 { font-size: 2.2rem; }
        }
        @media (max-width: 480px) {
            article h1 { font-size: 1.8rem; }
            .lead { font-size: 1rem; }
        }