* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }
        :root {
            --primary: #E67E22;
            --primary-dark: #D35400;
            --secondary: #2C3E50;
            --accent: #16A085;
            --light: #FDFEFE;
            --dark: #1B2631;
            --gray: #95A5A6;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--secondary);
            color: var(--light);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #FFF;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: var(--light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumbs {
            background-color: #EAEDED;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumbs ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumbs li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .search-container {
            display: flex;
            max-width: 500px;
            margin: 2rem auto;
        }
        #search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--gray);
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        #search-button {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        #search-button:hover {
            background-color: #138D75;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #ddd;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article h2 {
            color: var(--secondary);
            margin: 2.5rem 0 1.2rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary);
        }
        article h3 {
            color: var(--primary-dark);
            margin: 2rem 0 1rem 0;
        }
        article h4 {
            color: var(--accent);
            margin: 1.5rem 0 0.8rem 0;
        }
        article em, article strong {
            color: var(--dark);
        }
        .highlight-box {
            background-color: #FFF9E6;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 4px 4px 0;
        }
        .image-wrapper {
            margin: 2.5rem auto;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid #ddd;
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 0.5rem;
            font-style: italic;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            align-self: start;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            color: var(--secondary);
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
            border-bottom: 1px solid #eee;
            font-size: 1.2rem;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1rem;
            position: relative;
        }
        .related-links li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--primary);
        }
        .user-interaction {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-top: 3rem;
        }
        .interaction-title {
            color: var(--secondary);
            margin-bottom: 1.5rem;
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .star-rating {
            display: flex;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star {
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #FFD700;
        }
        #comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin-bottom: 1rem;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .form-row input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
        #submit-comment, #submit-rating {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        #submit-comment:hover, #submit-rating:hover {
            background-color: #138D75;
        }
        .site-footer {
            background-color: var(--secondary);
            color: var(--light);
            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-widget h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #BDC3C7;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 4px;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495E;
            color: #BDC3C7;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background-color: var(--secondary);
                padding: 2rem;
                transition: var(--transition);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .content-area {
                gap: 2rem;
            }
            article, .sidebar, .user-interaction {
                padding: 1.5rem;
            }
            .form-row {
                flex-direction: column;
                gap: 0.5rem;
            }
        }