* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0056A7;
            --secondary: #DC4405;
            --accent: #00A651;
            --light: #F5F7FA;
            --dark: #1A2B3C;
            --gray: #6C757D;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--light);
            font-size: 18px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 28px;
            font-weight: 900;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo:hover {
            color: var(--secondary);
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 17px;
            transition: var(--transition);
            padding: 5px 0;
            position: relative;
        }
        .nav-menu a:hover {
            color: var(--primary);
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .nav-menu a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 15px 0;
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary), #003366);
            padding: 40px 0;
            margin-bottom: 40px;
            border-radius: var(--border-radius);
            text-align: center;
            color: white;
        }
        .search-container h2 {
            margin-bottom: 20px;
            font-size: 28px;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px;
            font-size: 16px;
        }
        .search-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 0 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #b33703;
            transform: translateY(-2px);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 50px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--light);
            padding-bottom: 25px;
        }
        .article-header h1 {
            color: var(--primary);
            font-size: 36px;
            line-height: 1.3;
            margin-bottom: 15px;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 16px;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .featured-image {
            margin: 30px 0;
            text-align: center;
        }
        .featured-image img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--gray);
            font-size: 16px;
        }
        h2, h3, h4 {
            color: var(--primary);
            margin-top: 40px;
            margin-bottom: 20px;
            line-height: 1.4;
        }
        h2 {
            font-size: 32px;
            border-left: 5px solid var(--secondary);
            padding-left: 15px;
        }
        h3 {
            font-size: 26px;
        }
        h4 {
            font-size: 22px;
            color: var(--dark);
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
        }
        .intro {
            font-size: 20px;
            background-color: #f8f9fa;
            padding: 25px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
            margin-bottom: 35px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            border: 1px dashed var(--secondary);
        }
        .important {
            font-weight: 700;
            color: var(--secondary);
        }
        .emoji {
            font-size: 24px;
            margin-right: 10px;
        }
        .link-list {
            background-color: #f0f8ff;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
        }
        .link-list li {
            padding: 10px 0;
        }
        .link-list a {
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .link-list a:hover {
            color: var(--secondary);
            transform: translateX(5px);
        }
        .link-list i {
            margin-right: 10px;
            color: var(--accent);
        }
        .interactive-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .interactive-table th {
            background-color: var(--primary);
            color: white;
            padding: 15px;
            text-align: left;
        }
        .interactive-table td {
            padding: 15px;
            border-bottom: 1px solid #ddd;
        }
        .interactive-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .interactive-table tr:hover {
            background-color: #e8f4ff;
            transform: scale(1.01);
            transition: var(--transition);
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            height: fit-content;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        .comment-section, .rating-section {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        .comment-section h2, .rating-section h2 {
            margin-top: 0;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 28px;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        label {
            font-weight: 600;
            color: var(--dark);
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 16px;
            font-family: inherit;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(220, 68, 5, 0.3);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 28px;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: inline-block;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .friend-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .friend-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 16px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background-color: white;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 30px 0;
                gap: 0;
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-menu li {
                margin: 15px 0;
            }
            .header-container {
                padding: 15px 20px;
            }
            .article-content {
                padding: 25px 20px;
            }
            .article-header h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 26px;
            }
            h3 {
                font-size: 22px;
            }
            .intro {
                font-size: 18px;
                padding: 20px;
            }
            .search-form {
                flex-direction: column;
                padding: 0 20px;
            }
            .search-input, .search-btn {
                width: 100%;
            }
        }