* { 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: #0a0a12;
            background-image: radial-gradient(circle at 20% 30%, rgba(40, 40, 80, 0.15) 0%, transparent 20%), radial-gradient(circle at 80% 70%, rgba(20, 60, 100, 0.1) 0%, transparent 20%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #74c0fc; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; margin: 0 auto; }
        header { background: rgba(15, 20, 35, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid #2a3b5c; padding: 1rem 0; position: sticky; top: 0; z-index: 1000; }
        .header-container { display: flex; justify-content: space-between; align-items: center; }
        .my-logo { font-family: 'Orbitron', sans-serif; font-size: 2.2rem; font-weight: 800; background: linear-gradient(90deg, #00c6ff, #0072ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: 1px; }
        .my-logo:hover { transform: scale(1.02); }
        nav { display: flex; align-items: center; }
        .nav-links { display: flex; list-style: none; gap: 2rem; }
        .nav-links a { font-weight: 600; color: #b0c4de; padding: 0.5rem 0; border-bottom: 2px solid transparent; }
        .nav-links a:hover, .nav-links a.active { color: #4dabf7; border-bottom-color: #4dabf7; }
        .hamburger { display: none; font-size: 1.8rem; color: #b0c4de; cursor: pointer; background: none; border: none; }
        .breadcrumb { padding: 1rem 0; font-size: 0.9rem; color: #8a9bb2; border-bottom: 1px solid #2a3b5c; margin-bottom: 2rem; }
        .breadcrumb a { color: #8a9bb2; }
        .breadcrumb a:hover { color: #4dabf7; }
        .search-section { background: rgba(25, 30, 50, 0.7); border-radius: 12px; padding: 2.5rem; margin: 3rem 0; text-align: center; border: 1px solid #3a4b6c; box-shadow: 0 8px 24px rgba(0, 30, 80, 0.2); }
        .search-section h2 { margin-bottom: 1.5rem; color: #4dabf7; }
        .search-form { display: flex; max-width: 600px; margin: 0 auto; }
        .search-input { flex-grow: 1; padding: 1rem 1.5rem; border: 1px solid #3a4b6c; border-radius: 8px 0 0 8px; background: #121a2e; color: #e0e0e0; font-size: 1rem; }
        .search-button { padding: 1rem 1.8rem; background: linear-gradient(90deg, #0072ff, #00c6ff); color: white; border: none; border-radius: 0 8px 8px 0; font-weight: 600; cursor: pointer; transition: opacity 0.3s; }
        .search-button:hover { opacity: 0.9; }
        main { padding: 2rem 0; }
        h1 { font-size: 3.2rem; color: #ffffff; margin-bottom: 1.5rem; text-align: center; background: linear-gradient(90deg, #00c6ff, #0072ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
        h2 { font-size: 2.2rem; color: #4dabf7; margin: 3rem 0 1.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid #2a3b6c; }
        h3 { font-size: 1.8rem; color: #74c0fc; margin: 2.5rem 0 1rem; }
        h4 { font-size: 1.4rem; color: #a5d8ff; margin: 2rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; color: #d0d7e7; font-size: 1.1rem; }
        .highlight { background: linear-gradient(90deg, rgba(0, 114, 255, 0.15), rgba(0, 198, 255, 0.15)); padding: 1.5rem; border-left: 4px solid #00c6ff; border-radius: 0 8px 8px 0; margin: 2rem 0; }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        .article-img { width: 100%; border-radius: 12px; margin: 2.5rem auto; border: 1px solid #3a4b6c; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        .last-updated { text-align: right; font-style: italic; color: #8a9bb2; font-size: 0.95rem; margin-bottom: 3rem; }
        .interactive-box { background: rgba(30, 40, 70, 0.6); border-radius: 12px; padding: 2rem; margin: 2.5rem 0; border: 1px solid #3a5b8c; transition: transform 0.3s, box-shadow 0.3s; }
        .interactive-box:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0, 60, 150, 0.25); }
        .btn { display: inline-block; background: linear-gradient(90deg, #0072ff, #00c6ff); color: white; padding: 0.9rem 1.8rem; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; transition: opacity 0.3s, transform 0.2s; }
        .btn:hover { opacity: 0.9; transform: scale(1.05); }
        .user-feedback { background: rgba(20, 30, 55, 0.8); border-radius: 12px; padding: 2.5rem; margin: 3rem 0; border: 1px solid #3a4b6c; }
        .rating-form, .comment-form { margin-bottom: 2.5rem; }
        .stars { display: flex; gap: 0.5rem; margin: 1rem 0; font-size: 1.8rem; color: #555; }
        .stars .star { cursor: pointer; transition: color 0.2s; }
        .stars .star.active, .stars .star:hover { color: #ffd700; }
        textarea, input[type="text"], input[type="email"] { width: 100%; padding: 1rem; margin-bottom: 1rem; border: 1px solid #3a4b6c; border-radius: 8px; background: #121a2e; color: #e0e0e0; font-family: inherit; }
        .form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
        footer { background: rgba(10, 15, 30, 0.95); border-top: 1px solid #2a3b5c; padding: 3rem 0 1.5rem; margin-top: 4rem; }
        .footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; }
        .footer-logo { font-size: 2rem; margin-bottom: 1rem; }
        friend-link { display: block; margin-bottom: 0.8rem; }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #2a3b5c; color: #8a9bb2; font-size: 0.9rem; }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
            .header-container { flex-wrap: wrap; }
            .nav-links { display: none; flex-direction: column; width: 100%; background: rgba(15, 20, 35, 0.98); padding: 1rem; margin-top: 1rem; border-radius: 8px; }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
        }
        @media (max-width: 768px) {
            body { padding: 0 10px; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            .search-form { flex-direction: column; }
            .search-input, .search-button { border-radius: 8px; width: 100%; }
            .search-button { margin-top: 0.5rem; }
            .form-row { grid-template-columns: 1fr; }
        }