* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #2c5282; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #1a365d; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .emoji { font-size: 1.2em; }
        .section-spacing { margin: 4rem 0; }
        .inner-spacing { padding: 2rem; }
        .card { background: white; border-radius: 12px; box-shadow: 0 8px 20px rgba(0,0,0,0.06); overflow: hidden; }
        header { background: #1a365d; color: white; padding: 1.5rem 0; position: sticky; top: 0; z-index: 1000; }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a.my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fbbf24;
            text-decoration: none;
            font-family: 'Courier New', monospace;
            letter-spacing: 1px;
        }
        .logo a.my-logo:hover { color: #f59e0b; text-decoration: none; }
        .search-form {
            display: flex;
            flex-grow: 0.5;
            max-width: 500px;
            margin: 0 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: none;
            border-radius: 25px 0 0 25px;
            font-size: 1rem;
        }
        .search-form button {
            background: #fbbf24;
            color: #1a365d;
            border: none;
            border-radius: 0 25px 25px 0;
            padding: 0 1.5rem;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #f59e0b; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }
        .nav-menu a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: 5px;
        }
        .nav-menu a:hover {
            background: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
            background: #f1f5f9;
            border-radius: 0 0 8px 8px;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #4a5568; }
        main { padding: 2rem 0; }
        article { background: white; border-radius: 12px; padding: 3rem; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        h1 {
            font-size: 2.8rem;
            color: #1a365d;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #fbbf24;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2d3748;
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #cbd5e0;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a5568;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #718096;
            margin: 2rem 0 0.8rem;
        }
        p, li { margin-bottom: 1.2rem; font-size: 1.1rem; }
        ul, ol { padding-left: 2rem; margin-bottom: 1.5rem; }
        blockquote {
            border-left: 5px solid #fbbf24;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background: #fff8e1;
            font-style: italic;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2.5rem auto;
            border: 5px solid #e2e8f0;
        }
        .interactive-section {
            background: linear-gradient(to right, #ebf4ff, #fef3c7);
            border-left: 6px solid #3b82f6;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .interactive-section h3 { color: #1e40af; margin-top: 0; }
        .comment-form, .rating-form {
            background: #f8fafc;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 2rem;
        }
        .form-group { margin-bottom: 1.5rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
        }
        .form-group textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            background: #1a365d;
            color: white;
            padding: 0.85rem 2rem;
            border: none;
            border-radius: 6px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #2c5282; }
        .stars { display: flex; gap: 0.5rem; margin: 1rem 0; }
        .star { font-size: 1.8rem; color: #e2e8f0; cursor: pointer; transition: color 0.2s; }
        .star:hover, .star.active { color: #fbbf24; }
        footer {
            background: #1a2938;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-radius: 12px 12px 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #fbbf24;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .friend-links a {
            color: #90cdf4;
            background: #2d3748;
            padding: 0.6rem 1rem;
            border-radius: 5px;
            display: inline-block;
        }
        .friend-links a:hover {
            background: #4a5568;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .header-container { flex-direction: column; align-items: stretch; }
            .logo, .search-form { margin-bottom: 1rem; text-align: center; }
            .search-form { max-width: 100%; margin: 0 0 1rem; }
            .hamburger { display: block; position: absolute; top: 1.5rem; right: 1.5rem; }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2c5282;
                padding: 1rem;
                border-radius: 8px;
                margin-top: 1rem;
            }
            .nav-menu.active { display: flex; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .footer-content { grid-template-columns: 1fr; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.5rem; }
        }