:root {
            --primary-green: #6aaa64;
            --primary-yellow: #c9b458;
            --primary-dark: #121213;
            --primary-gray: #818384;
            --primary-light: #d7dadc;
            --secondary-navy: #1a365d;
            --accent-red: #cc3333;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 4px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-navy);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--primary-dark);
            color: white;
            padding: var(--spacing-sm) 0;
            border-bottom: 3px solid var(--primary-green);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 3px;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo span {
            color: var(--primary-green);
            margin-right: 5px;
        }
        .my-logo:hover {
            color: var(--primary-light);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: none;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 3px 0;
            border-radius: 2px;
            transition: 0.3s;
        }
        .main-nav {
            display: flex;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--border-radius);
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: #eaeaea;
            padding: var(--spacing-xs) 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-gray);
        }
        .breadcrumb a:last-of-type {
            color: var(--secondary-navy);
            font-weight: bold;
        }
        .search-container {
            margin: var(--spacing-md) auto;
            max-width: 600px;
        }
        .search-form {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 30px;
            overflow: hidden;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 25px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: #5a9954;
        }
        .main-content {
            background: white;
            padding: var(--spacing-lg) 0;
            box-shadow: var(--shadow);
            border-radius: 8px;
            margin: var(--spacing-md) auto;
        }
        .article-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 2px dashed var(--primary-light);
        }
        h1 {
            font-size: 3rem;
            color: var(--secondary-navy);
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary-navy);
            margin: var(--spacing-md) 0 var(--spacing-sm);
            border-left: 5px solid var(--primary-green);
            padding-left: var(--spacing-sm);
        }
        h3 {
            font-size: 1.8rem;
            color: #444;
            margin: var(--spacing-md) 0 var(--spacing-xs);
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: var(--spacing-sm) 0 var(--spacing-xs);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--secondary-navy);
            margin-bottom: var(--spacing-md);
        }
        .highlight {
            background-color: #f0f8ff;
            padding: var(--spacing-md);
            border-left: 4px solid var(--accent-red);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            margin: var(--spacing-lg) auto;
            text-align: center;
        }
        .feature-img img {
            border-radius: 8px;
            box-shadow: var(--shadow);
            max-height: 500px;
            object-fit: cover;
        }
        .img-caption {
            font-style: italic;
            color: var(--primary-gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interaction-section {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            border: 1px solid #dee2e6;
        }
        .interaction-section h3 {
            color: var(--secondary-navy);
        }
        .comment-form, .rating-form {
            display: grid;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 5px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: var(--primary-gray);
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: var(--primary-yellow);
        }
        .btn {
            background-color: var(--secondary-navy);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: background-color 0.3s, transform 0.2s;
            justify-self: start;
        }
        .btn:hover {
            background-color: #2c5282;
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: white;
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            margin-top: var(--spacing-lg);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-md);
        }
        .footer-section h4 {
            color: white;
            margin-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 8px;
        }
        .footer-links a {
            color: var(--primary-light);
            display: block;
            margin-bottom: 8px;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
        }
        friend-link a {
            color: var(--primary-light);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--primary-gray);
            font-size: 0.9rem;
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-dark);
                margin-top: var(--spacing-sm);
                padding: var(--spacing-sm);
                border-radius: var(--border-radius);
            }
            .main-nav.active {
                display: flex;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }