* { 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: #f0f0f0;
            background: linear-gradient(135deg, #0c0c1d 0%, #1a1a2e 50%, #16213e 100%);
            background-attachment: fixed;
            min-height: 100vh;
            padding-bottom: 40px;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #a5d8ff; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .text-center { text-align: center; }
        .highlight { background: linear-gradient(90deg, #ff6b6b20, #4ecdc420); padding: 0.3em 0.6em; border-radius: 4px; border-left: 4px solid #ff6b6b; }
        .site-header {
            background: rgba(10, 10, 25, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #2d3748;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover { transform: scale(1.05); }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: #cbd5e0;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4ecdc4;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #cbd5e0;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(15, 15, 35, 0.98);
            padding: 1rem;
            border-top: 1px solid #2d3748;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            padding: 0.8rem;
            border-bottom: 1px solid #2d3748;
            color: #cbd5e0;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            padding: 1rem 20px;
            background: rgba(26, 26, 46, 0.7);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .breadcrumb a { margin: 0 0.3rem; }
        .hero {
            padding: 3rem 20px;
            text-align: center;
            background: radial-gradient(circle at center, #1a1a2e80, #0c0c1d00 70%);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            margin-bottom: 1.5rem;
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .article-meta {
            color: #a0aec0;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #4a5568;
            background: #1a202c;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            background: transparent;
            color: #f0f0f0;
            font-size: 1rem;
        }
        .search-input:focus { outline: none; }
        .search-btn {
            background: linear-gradient(45deg, #4ecdc4, #44a08d);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1rem;
            transition: opacity 0.3s;
        }
        .search-btn:hover { opacity: 0.9; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 20px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: rgba(26, 26, 46, 0.7);
            border-radius: 15px;
            padding: 2.5rem;
            border: 1px solid #2d3748;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        h2 {
            font-size: 2rem;
            color: #4ecdc4;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2d3748;
        }
        h2:first-of-type { margin-top: 0; }
        h3 { font-size: 1.5rem; color: #ff6b6b; margin: 2rem 0 1rem; }
        h4 { font-size: 1.2rem; color: #a5d8ff; margin: 1.5rem 0 0.8rem; }
        p {
            margin-bottom: 1.5rem;
            color: #e2e8f0;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 300;
            color: #cbd5e0;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .featured-img {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            border: 3px solid #4ecdc4;
            max-width: 800px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #a0aec0;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .sidebar {
            background: rgba(26, 26, 46, 0.7);
            border-radius: 15px;
            padding: 2rem;
            border: 1px solid #2d3748;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 { color: #4ecdc4; font-size: 1.3rem; margin-top: 0; }
        .sidebar ul { list-style: none; }
        .sidebar li { margin-bottom: 0.8rem; padding-left: 1rem; border-left: 3px solid #ff6b6b; }
        .quick-links a { display: block; padding: 0.5rem 0; }
        .interactive-section {
            background: rgba(15, 15, 35, 0.8);
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #4a5568;
        }
        .rating-form, .comment-form {
            margin-bottom: 2.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #4a5568;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active { color: #ffd700; }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: #cbd5e0;
            font-weight: 500;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.9rem;
            border-radius: 8px;
            border: 1px solid #4a5568;
            background: #1a202c;
            color: #f0f0f0;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: #4ecdc4;
        }
        .form-textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s, transform 0.2s;
        }
        .submit-btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .site-footer {
            background: rgba(10, 10, 25, 0.95);
            border-top: 1px solid #2d3748;
            margin-top: 4rem;
            padding: 3rem 20px 1.5rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col { flex: 1; min-width: 200px; }
        .footer-col h4 {
            color: #4ecdc4;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links a {
            display: block;
            padding: 0.4rem 0;
            color: #cbd5e0;
        }
        friend-link {
            display: block;
            padding: 0.5rem;
            background: rgba(255, 255, 255, 0.05);
            margin-bottom: 0.5rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(255, 255, 255, 0.1); }
        .copyright {
            text-align: center;
            color: #a0aec0;
            font-size: 0.9rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .header-container { padding: 1rem; }
            .article-content, .sidebar { padding: 1.5rem; }
            .main-content { padding: 1rem; gap: 2rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.3rem; }
            .footer-container { flex-direction: column; }
        }