:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f9fafb;
            --bg-card: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #0f172a);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #fbbf24, var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2.5rem;
            font-weight: 600;
        }
        .desktop-nav a {
            padding: 0.5rem 0;
            border-bottom: 3px solid transparent;
        }
        .desktop-nav a:hover {
            color: var(--accent-color);
            border-bottom-color: var(--accent-color);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: var(--primary-color);
            padding: 1.5rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            font-weight: 600;
        }
        .mobile-nav a:hover {
            color: var(--accent-color);
            padding-left: 10px;
        }
        .breadcrumb {
            padding: 1.2rem 0;
            background-color: #e5e7eb;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: var(--text-light);
        }
        main {
            padding: 2.5rem 0;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background-color: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e5e7eb;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            background: #f0f9ff;
            padding: 1.5rem;
            border-left: 5px solid var(--accent-color);
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid var(--accent-color);
        }
        .download-box {
            background: linear-gradient(135deg, var(--primary-color), #1e40af);
            color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 3rem 0;
            box-shadow: 0 10px 25px rgba(30, 58, 138, 0.3);
        }
        .download-box h3 {
            color: white;
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, var(--secondary-color), #ef4444);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.2rem;
            margin-top: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 15px rgba(220, 38, 38, 0.3);
        }
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(220, 38, 38, 0.4);
        }
        .image-wrapper {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        figcaption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        strong {
            color: var(--primary-color);
            font-weight: 800;
        }
        .inline-link {
            color: var(--secondary-color);
            font-weight: 700;
            border-bottom: 2px dotted var(--secondary-color);
        }
        .inline-link:hover {
            color: var(--primary-color);
            border-bottom-style: solid;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .widget h4 {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #e5e7eb;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 1rem 1.2rem;
            border: 2px solid #d1d5db;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #fbbf24;
            margin-bottom: 1.2rem;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1.2rem;
            border: 2px solid #d1d5db;
            border-radius: 10px;
            font-size: 1rem;
            resize: vertical;
        }
        .comment-form button {
            width: 100%;
            padding: 1rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--secondary-color);
        }
        .related-links {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .related-links a {
            color: var(--secondary-color);
            padding: 0.8rem;
            border-radius: 8px;
            background-color: #fef2f2;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links a:hover {
            background-color: #fee2e2;
            transform: translateX(5px);
        }
        .related-links i {
            color: var(--primary-color);
        }
        .web-links {
            background-color: #1e293b;
            color: white;
            padding: 3rem 0;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: #374151;
            padding: 1.5rem;
            border-radius: 10px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #4b5563;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #93c5fd;
            font-weight: 600;
        }
        .web-link a:hover {
            color: #fbbf24;
        }
        footer {
            background-color: #111827;
            color: #9ca3af;
            text-align: center;
            padding: 2.5rem 0;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .copyright {
            font-size: 0.95rem;
        }
        .social-icons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            font-size: 1.5rem;
        }
        .social-icons a:hover {
            color: var(--accent-color);
        }
        @media (max-width: 768px) {
            :root {
                font-size: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 15px;
            }
            .content-area, .widget {
                padding: 1.8rem;
            }
            .download-box {
                padding: 1.8rem 1.2rem;
            }
            .btn {
                padding: 0.9rem 2rem;
            }
            .stars {
                font-size: 1.8rem;
            }
        }