:root {
            --primary-blue: #0038a8;
            --accent-red: #d21034;
            --light-gray: #f8f9fa;
            --dark-gray: #212529;
            --mid-gray: #6c757d;
            --white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --content-width: 800px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light-gray);
            color: var(--dark-gray);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-red);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #002673 100%);
            color: var(--white);
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: var(--white);
            font-size: 1.8rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-red);
        }
        .logo a:hover {
            text-decoration: none;
            color: #ffcc00;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: var(--white);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #ffcc00;
            border-bottom-color: #ffcc00;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--white);
            padding: 1rem 0;
            border-bottom: 1px solid #dee2e6;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 0.5rem;
            color: var(--mid-gray);
        }
        .main-content {
            flex: 1;
            padding: 2.5rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-content {
            background: var(--white);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 3px solid var(--primary-blue);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--mid-gray);
            font-size: 0.95rem;
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--dark-gray);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-red);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--dark-gray);
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: #f0f8ff;
            border-left: 5px solid var(--primary-blue);
            border-radius: var(--border-radius);
        }
        img.featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .highlight-box {
            background: linear-gradient(to right, #fff5f5, #fef8e8);
            border-left: 5px solid var(--accent-red);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: var(--border-radius);
        }
        .internal-links {
            background: #e9f7fe;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .internal-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .internal-links a {
            display: block;
            padding: 0.5rem;
            border-radius: 4px;
            background: var(--white);
            border: 1px solid #cce7ff;
        }
        .internal-links a:hover {
            background: var(--primary-blue);
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: var(--white);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #eee;
            color: var(--dark-gray);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--accent-red);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            transition: var(--transition);
            padding: 0 0.2rem;
        }
        .stars i:hover,
        .stars i.active {
            color: #fd7e14;
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
            margin-bottom: 1rem;
        }
        .comment-form button {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background: var(--accent-red);
        }
        .site-footer {
            background: var(--dark-gray);
            color: var(--white);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 900;
            margin-bottom: 1rem;
        }
        .friend-links {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        friend-link {
            display: inline-block;
            margin: 0.5rem;
            padding: 0.5rem 1rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            transition: var(--transition);
        }
        friend-link a {
            color: #ffcc00;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary-blue);
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
        }
        .text-bold {
            font-weight: 700;
        }
        .text-italic {
            font-style: italic;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .tag {
            display: inline-block;
            background: #e7f1ff;
            color: var(--primary-blue);
            padding: 0.3rem 0.7rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }