:root {
            --primary-blue: #1e3a8a;
            --secondary-blue: #3b82f6;
            --accent-yellow: #fbbf24;
            --accent-red: #dc2626;
            --light-bg: #f8fafc;
            --dark-text: #1e293b;
            --gray-border: #cbd5e1;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue), #1e40af);
            color: white;
            padding: var(--spacing-sm) 0;
            margin-bottom: var(--spacing-md);
            border-bottom-left-radius: var(--border-radius);
            border-bottom-right-radius: var(--border-radius);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-yellow);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            gap: 1.5rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .main-nav a:hover, .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-md);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-md);
        }
        article {
            background-color: var(--light-bg);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: var(--spacing-md);
        }
        .article-header {
            border-bottom: 3px solid var(--secondary-blue);
            padding-bottom: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #64748b;
            font-style: italic;
            margin-bottom: var(--spacing-sm);
        }
        h2 {
            color: var(--primary-blue);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--gray-border);
        }
        h3 {
            color: var(--secondary-blue);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }
        h4 {
            color: #475569;
            margin-top: var(--spacing-sm);
            margin-bottom: var(--spacing-xs);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            border-left: 4px solid var(--accent-yellow);
            padding: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            font-style: italic;
        }
        .img-container {
            text-align: center;
            margin: var(--spacing-md) 0;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .img-container img:hover {
            transform: scale(1.01);
        }
        figcaption {
            font-size: 0.9rem;
            color: #64748b;
            margin-top: 0.5rem;
        }
        .link-list {
            background: white;
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            border: 1px solid var(--gray-border);
            margin: var(--spacing-md) 0;
        }
        .link-list ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .link-list a {
            color: var(--primary-blue);
            text-decoration: none;
            background-color: var(--light-bg);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            display: inline-block;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .link-list a:hover {
            background-color: var(--secondary-blue);
            color: white;
            border-color: var(--secondary-blue);
            transform: translateY(-3px);
        }
        aside {
            background-color: var(--light-bg);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: var(--spacing-md);
        }
        .widget h3 {
            font-size: 1.3rem;
            color: var(--primary-blue);
            margin-bottom: var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--gray-border);
        }
        .search-form input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 0.8rem;
            border: 1px solid var(--gray-border);
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .search-form button, .comment-form button, .rating-form button {
            background-color: var(--secondary-blue);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .search-form button:hover, .comment-form button:hover, .rating-form button:hover {
            background-color: var(--primary-blue);
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            font-size: 1.5rem;
            color: var(--accent-yellow);
            margin-bottom: 1rem;
        }
        footer {
            background-color: var(--primary-blue);
            color: white;
            padding: var(--spacing-lg) var(--spacing-md);
            border-top-left-radius: var(--border-radius);
            border-top-right-radius: var(--border-radius);
            margin-top: var(--spacing-lg);
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin: var(--spacing-md) 0;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        friend-link a {
            color: white;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .copyright {
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #cbd5e1;
        }
        @media (max-width: 768px) {
            .content-area {
                grid-template-columns: 1fr;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-container {
                width: 100%;
                margin-top: var(--spacing-sm);
                display: none;
                flex-direction: column;
            }
            .nav-container.active {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                text-align: center;
                padding: 0.8rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: var(--spacing-sm);
                right: var(--spacing-sm);
            }
            h1 {
                font-size: 2.2rem;
            }
            aside {
                position: static;
            }
        }
        .btn {
            display: inline-block;
            background-color: var(--accent-yellow);
            color: var(--dark-text);
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn:hover {
            background-color: transparent;
            border-color: var(--accent-yellow);
            transform: translateY(-3px);
        }
        .tag {
            display: inline-block;
            background-color: #dbeafe;
            color: var(--primary-blue);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .quote {
            font-size: 1.1rem;
            padding: var(--spacing-md);
            background-color: white;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--accent-red);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow);
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: var(--accent-red);
            margin-top: 0.5rem;
        }