:root {
            --primary-dark: #1a472a;
            --primary-green: #2ecc71;
            --wasteland-brown: #8b7355;
            --accent-orange: #e67e22;
            --bg-light: #f4f4f4;
            --text-dark: #2c3e50;
            --text-light: #ecf0f1;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), #0d2818);
            color: var(--text-light);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: var(--primary-green);
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 12px;
            color: var(--accent-orange);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: all 0.3s ease;
        }
        .main-nav a:hover {
            background-color: var(--primary-green);
            color: var(--primary-dark);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e8f5e9;
            padding: 1rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #c8e6c9;
        }
        .breadcrumb a {
            color: var(--primary-dark);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            background-color: var(--wasteland-brown);
            padding: 1.5rem 2rem;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--accent-orange);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #d35400;
        }
        .main-content {
            flex: 1;
            max-width: 1200px;
            width: 100%;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-orange);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--wasteland-brown);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 1rem;
            border-left: 5px solid var(--primary-green);
        }
        h3 {
            color: var(--primary-dark);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--accent-orange);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        em {
            color: var(--wasteland-brown);
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(to right, #e8f5e9, #fff8e1);
            border-left: 5px solid var(--accent-orange);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .recipe-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .recipe-card {
            background: white;
            border: 2px solid #e0e0e0;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .recipe-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border-color: var(--primary-green);
        }
        .recipe-icon {
            font-size: 2.5rem;
            color: var(--accent-orange);
            text-align: center;
            margin-bottom: 1rem;
        }
        .content-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            border: 5px solid var(--wasteland-brown);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: var(--primary-dark);
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        .related-links {
            list-style: none;
            margin-top: 1.5rem;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
        }
        .related-links a {
            color: var(--text-dark);
            text-decoration: none;
            display: block;
            transition: color 0.3s, padding-left 0.3s;
        }
        .related-links a:hover {
            color: var(--primary-green);
            padding-left: 8px;
        }
        .user-interaction {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-top: 3rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .interaction-form {
            display: flex;
            flex-direction: column;
        }
        .interaction-form h3 {
            margin-bottom: 1.5rem;
            color: var(--primary-dark);
        }
        .interaction-form label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .interaction-form textarea,
        .interaction-form input,
        .interaction-form select {
            padding: 0.8rem;
            margin-bottom: 1.2rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        .interaction-form button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .interaction-form button:hover {
            background-color: #27ae60;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1.2rem;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f1c40f;
        }
        .site-footer {
            background: linear-gradient(135deg, var(--primary-dark), #0d2818);
            color: var(--text-light);
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-green);
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--text-light);
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: var(--primary-green);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-dark);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-radius: 4px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .main-content {
                padding: 0 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        .update-time {
            background-color: #fff8e1;
            padding: 1rem;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 2rem 0;
            font-style: italic;
            color: #e67e22;
            border: 1px dashed #f1c40f;
        }