:root {
            --primary: #1a6fb0;
            --secondary: #e53935;
            --accent: #ffc107;
            --dark: #1e2530;
            --light: #f8f9fa;
            --gray: #6c757d;
            --border: #dee2e6;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #fff;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
        }
        header {
            background: var(--dark);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
        }
        .logo span {
            color: white;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: white;
            font-weight: 500;
            font-size: 1.05rem;
        }
        nav a:hover {
            color: var(--accent);
        }
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f1f5f9;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: var(--gray);
        }
        .search-container {
            max-width: 800px;
            margin: 30px auto;
            padding: 0 20px;
        }
        .search-box {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-box input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-box button:hover {
            background: var(--secondary);
        }
        main {
            padding: 30px 0 50px;
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--border);
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.95rem;
            margin-top: 10px;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--border);
        }
        .article-content h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--dark);
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding-left: 20px;
            margin: 25px 0;
            font-style: italic;
            color: var(--gray);
        }
        .highlight {
            background: #fff8e1;
            padding: 25px;
            border-radius: var(--radius);
            margin: 25px 0;
            border-left: 5px solid var(--accent);
        }
        .img-container {
            margin: 30px 0;
            text-align: center;
        }
        .img-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto 10px;
        }
        .caption {
            font-size: 0.9rem;
            color: var(--gray);
            font-style: italic;
        }
        .sidebar {
            background: #f8f9fa;
            padding: 25px;
            border-radius: var(--radius);
            height: fit-content;
        }
        .sidebar h3 {
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 12px;
        }
        .sidebar a {
            display: block;
            padding: 10px 15px;
            background: white;
            border-radius: 6px;
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }
        .sidebar a:hover {
            background: var(--primary);
            color: white;
            transform: translateX(5px);
        }
        .interactive-module {
            background: white;
            border-radius: var(--radius);
            padding: 30px;
            margin: 40px 0;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--primary);
        }
        .interactive-module h2 {
            margin-top: 0;
            color: var(--dark);
        }
        .rating-box {
            display: flex;
            align-items: center;
            gap: 15px;
            margin: 20px 0;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        form input, form textarea, form select {
            padding: 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
        }
        form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin: 50px 0 30px;
        }
        @media (max-width: 768px) {
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background: #f1f5f9;
            padding: 15px;
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary);
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 20px;
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
        }
        .footer-col {
            flex: 1;
            min-width: 250px;
        }
        .footer-col h3 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: #ccc;
        }
        .footer-col a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
                display: none;
                padding: 20px;
                box-shadow: var(--shadow);
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }