:root {
            --primary: #0a5c8c;
            --secondary: #8b1a1a;
            --accent: #f0b400;
            --light: #f5f7fa;
            --dark: #1a1a2e;
            --gray: #6c757d;
            --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: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark), var(--primary));
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            font-size: 2rem;
        }
        .search-box {
            display: flex;
            flex-grow: 1;
            max-width: 500px;
            margin: 0 20px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--accent);
            color: var(--dark);
            border: none;
            padding: 10px 20px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #ffcc00;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        nav {
            margin-top: 1rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 10px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-links li {
            margin: 0 15px;
        }
        .nav-links a {
            padding: 8px 12px;
            border-radius: 5px;
            transition: var(--transition);
            font-weight: 500;
        }
        .nav-links a:hover {
            background: var(--accent);
            color: var(--dark);
        }
        .breadcrumb {
            padding: 10px 0;
            font-size: 0.9rem;
            color: #ccc;
        }
        .breadcrumb a {
            color: var(--accent);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        h1 {
            color: var(--primary);
            font-size: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .article-meta span i {
            margin-right: 5px;
        }
        h2, h3 {
            color: var(--secondary);
            margin: 1.8rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: #fff9e6;
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .printable-box {
            text-align: center;
            padding: 2rem;
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border: 2px dashed var(--primary);
            border-radius: 10px;
            margin: 2rem 0;
        }
        .printable-box h3 {
            color: var(--primary);
            border: none;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            margin: 10px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.1);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--dark);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -10px;
            margin-bottom: 1.5rem;
        }
        .interactive-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 2rem 0;
        }
        .link-card {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }
        .link-card:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }
        sidebar {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ddd;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 10px 0;
            cursor: pointer;
        }
        .stars span {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars span:hover {
            transform: scale(1.2);
        }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            resize: vertical;
        }
        .comment-form button {
            width: 100%;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 2rem;
        }
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
            transition: var(--transition);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-top: 1rem;
        }
        friend-link h4 {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            sidebar {
                position: static;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-top {
                justify-content: space-between;
            }
            .search-box {
                order: 3;
                margin: 15px 0 0;
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .interactive-links {
                grid-template-columns: 1fr;
            }
        }