* {
            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: #333;
            background-color: #f8f9fa;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        a {
            color: #4361ee;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #3a56d4;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(120deg, #a8edea80 0%, #fed6e380 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
        }
        .main-header {
            background: linear-gradient(90deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 1rem 0;
            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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        .logo span {
            color: #FFD700;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem auto;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #6c757d;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem auto;
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        article h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        article h2 {
            font-size: 2rem;
            color: #2d3748;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #a8edea;
        }
        article h3 {
            font-size: 1.5rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article ul, article ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        article li {
            margin-bottom: 0.75rem;
        }
        .article-img {
            width: 80%;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            color: #1a2980;
            margin-bottom: 1.2rem;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-widget h3 i {
            color: #26d0ce;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #dee2e6;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #4361ee;
        }
        .search-form button {
            background: linear-gradient(90deg, #4361ee 0%, #3a56d4 100%);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #3a56d4 0%, #2f48b9 100%);
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #495057;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.9rem;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #4361ee;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            background: linear-gradient(90deg, #26d0ce 0%, #1a2980 100%);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            align-self: flex-start;
        }
        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(38, 208, 206, 0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 1.8rem;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #FFD700;
        }
        .main-footer {
            background: linear-gradient(90deg, #2d3748 0%, #1a202c 100%);
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: 8px;
            transition: background-color 0.3s;
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .web-link a {
            color: #90cdf4;
            display: block;
        }
        .web-link a:hover {
            color: #63b3ed;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.95rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            article h1 {
                font-size: 2.4rem;
            }
            .main-nav ul {
                gap: 1rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: linear-gradient(90deg, #1a2980 0%, #26d0ce 100%);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                border-top: 2px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 0.8rem;
                border-radius: 8px;
            }
            .header-container {
                flex-wrap: wrap;
            }
            article {
                padding: 1.8rem;
            }
            .footer-links {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.7rem;
            }
            .article-img {
                width: 100%;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-widget {
            animation: fadeIn 0.8s ease-out;
        }