* { 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: #e0e0e0;
            background-color: #0f1419;
            background-image: radial-gradient(circle at 15% 50%, rgba(31, 38, 135, 0.1) 0%, transparent 20%), radial-gradient(circle at 85% 30%, rgba(189, 28, 106, 0.07) 0%, transparent 20%);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 { color: #4fc3f7; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: 2.8rem; margin-top: 2rem; border-bottom: 3px solid #d32f2f; padding-bottom: 0.5rem; }
        h2 { font-size: 2rem; margin-top: 2.5rem; padding-left: 10px; border-left: 5px solid #ff9800; }
        h3 { font-size: 1.6rem; margin-top: 2rem; color: #ffb74d; }
        h4 { font-size: 1.3rem; margin-top: 1.5rem; color: #81c784; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #64b5f6; text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
        a:hover { color: #ffcc80; text-shadow: 0 0 8px rgba(255, 204, 128, 0.5); }
        strong { color: #ffcc80; }
        em { color: #a5d6a7; }
        .last-updated { font-size: 0.9rem; color: #b0bec5; text-align: right; margin-bottom: 2rem; font-style: italic; }
        .highlight { background: linear-gradient(90deg, transparent, rgba(255, 152, 0, 0.15), transparent); padding: 15px; border-radius: 5px; margin: 20px 0; }
        header { padding: 1.5rem 0; border-bottom: 1px solid #37474f; }
        .header-container { display: flex; justify-content: space-between; align-items: center; }
        .logo a { font-size: 2.2rem; font-weight: 800; color: #ff5252; text-transform: uppercase; letter-spacing: 1px; }
        .logo span { color: #64ffda; }
        nav { display: flex; }
        .nav-links { display: flex; list-style: none; }
        .nav-links li { margin-left: 2rem; }
        .nav-links a { font-weight: 600; font-size: 1.1rem; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #64b5f6; }
        .breadcrumb { padding: 1rem 0; font-size: 0.95rem; color: #90a4ae; }
        .breadcrumb a { color: #90a4ae; }
        .breadcrumb a:hover { color: #ffcc80; }
        main { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin: 2rem 0; }
        .article-content { background: rgba(25, 32, 45, 0.7); padding: 30px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        .sidebar { background: rgba(33, 41, 56, 0.7); padding: 25px; border-radius: 12px; height: fit-content; }
        .sidebar h3 { margin-top: 0; }
        .search-box, .comment-form, .rating-form { margin-bottom: 2.5rem; }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid #546e7a;
            border-radius: 6px;
            background-color: #263238;
            color: #fff;
            font-size: 1rem;
        }
        .search-box button, .comment-form button, .rating-form button {
            background: linear-gradient(135deg, #ff5252, #d32f2f);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .search-box button:hover, .comment-form button:hover, .rating-form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(211, 47, 47, 0.4);
        }
        .stars { display: flex; gap: 10px; margin-bottom: 15px; }
        .stars i { font-size: 1.8rem; color: #555; cursor: pointer; transition: color 0.2s; }
        .stars i:hover, .stars i.active { color: #ffd740; }
        .featured-image { width: 100%; border-radius: 10px; margin: 25px 0; border: 3px solid #37474f; }
        .related-links { margin: 30px 0; }
        .link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }
        .link-card {
            background: rgba(41, 50, 65, 0.8);
            padding: 15px;
            border-radius: 8px;
            transition: transform 0.3s, background 0.3s;
        }
        .link-card:hover { transform: scale(1.03); background: rgba(55, 71, 79, 0.9); }
        footer {
            margin-top: 4rem;
            padding: 2rem 0;
            border-top: 1px solid #37474f;
            text-align: center;
            color: #b0bec5;
        }
        friend-link { display: block; margin: 1rem 0; }
        friend-link a { color: #4fc3f7; font-weight: bold; }
        .copyright { font-size: 0.9rem; margin-top: 2rem; }
        @media (max-width: 992px) {
            main { grid-template-columns: 1fr; }
            .sidebar { order: -1; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-wrap: wrap; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                background: rgba(33, 41, 56, 0.95);
                border-radius: 8px;
                padding: 20px;
            }
            .nav-links.active { display: flex; }
            .nav-links li { margin: 10px 0; margin-left: 0; }
            .hamburger { display: block; }
            .link-grid { grid-template-columns: 1fr; }
        }