:root {
            --primary-blue: #1a365d;
            --secondary-blue: #2d547d;
            --accent-turquoise: #38b2ac;
            --light-bg: #f7fafc;
            --text-dark: #2d3748;
            --text-light: #718096;
            --highlight-yellow: #f6e05e;
            --border-color: #e2e8f0;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.3s;
        }
        .my-logo:hover {
            color: var(--highlight-yellow);
        }
        .my-logo i {
            color: var(--accent-turquoise);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        nav a:hover,
        nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--highlight-yellow);
        }
        nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 50%;
            background-color: var(--highlight-yellow);
            transition: all 0.3s ease;
        }
        nav a:hover::after {
            width: 80%;
            left: 10%;
        }
        .breadcrumb {
            background-color: white;
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--secondary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            grid-column: 1 / 2;
        }
        aside {
            grid-column: 2 / 3;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-turquoise);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary-blue);
            margin: 2.5rem 0 1.5rem;
            padding-top: 1rem;
        }
        h3 {
            font-size: 1.7rem;
            color: var(--primary-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-dark);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #f0f9ff;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-turquoise);
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        strong {
            color: var(--primary-blue);
            font-weight: 700;
        }
        em {
            color: var(--secondary-blue);
            font-style: italic;
        }
        blockquote {
            border-left: 5px solid var(--highlight-yellow);
            padding-left: 2rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--text-light);
            background-color: #fffcf0;
            padding: 1.5rem 2rem;
            border-radius: 0 8px 8px 0;
        }
        a {
            color: var(--accent-turquoise);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--primary-blue);
            text-decoration: underline;
        }
        ul, ol {
            margin: 1rem 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .widget {
            background-color: white;
            border-radius: 12px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--primary-blue);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.8rem;
        }
        .search-form input {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .search-form button {
            width: 100%;
            padding: 0.9rem;
            background-color: var(--accent-turquoise);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: var(--secondary-blue);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: color 0.2s;
        }
        .stars i:hover {
            color: #ffed4e;
        }
        .score-form button {
            background-color: var(--primary-blue);
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            margin-top: 1rem;
            width: 100%;
        }
        .comments-section {
            margin-top: 3rem;
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--secondary-blue);
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .comment-form button:hover {
            background-color: var(--primary-blue);
        }
        footer {
            background-color: var(--primary-blue);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links a {
            color: #cbd5e0;
            display: block;
            margin-bottom: 0.8rem;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: var(--highlight-yellow);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .last-updated {
            background-color: #f0fff4;
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
            text-align: center;
            color: var(--text-dark);
            font-weight: 600;
            border-left: 4px solid #48bb78;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            aside {
                grid-column: 1 / 2;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            header {
                padding: 1rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-menu-btn {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            nav a {
                display: block;
                padding: 0.8rem;
            }
            .main-container,
            .breadcrumb {
                padding: 0 1rem;
            }
            article {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .highlight-box {
            background: linear-gradient(135deg, #e6f7ff, #f0f9ff);
            border: 2px dashed var(--accent-turquoise);
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
        }
        .tip {
            background-color: #fff8e1;
            border-left: 4px solid var(--highlight-yellow);
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        .tip::before {
            content: '💡';
            margin-right: 10px;
            font-size: 1.2rem;
        }
        .stat {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-turquoise);
            text-align: center;
            margin: 1rem;
        }
        .stat-label {
            text-align: center;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            border-radius: 8px;
            overflow: hidden;
        }
        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--primary-blue);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: #f7fafc;
        }