:root {
            --primary: #2a4365;
            --secondary: #c53030;
            --accent: #ecc94b;
            --light: #f7fafc;
            --dark: #1a202c;
            --gray: #718096;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            font-size: 16px;
        }
        * {
            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: var(--dark);
            background: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            text-decoration: none;
            letter-spacing: 1px;
        }
        .my-logo span {
            color: white;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            padding: 0.5rem 0;
        }
        .desktop-nav a:hover {
            color: var(--accent);
            border-bottom: 2px solid var(--accent);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--primary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 0.5rem 0;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            display: block;
            padding: 0.5rem;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            border-left-color: var(--accent);
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary);
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
            margin: 2rem 0;
        }
        emoji {
            font-style: normal;
            margin-right: 0.3rem;
        }
        .highlight {
            background: linear-gradient(120deg, var(--accent) 0%, var(--accent) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.3em;
            background-position: 0 88%;
            font-weight: 700;
            padding: 0 0.1rem;
        }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            border-bottom: 1px dotted var(--secondary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary);
            border-bottom-style: solid;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .search-widget {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary);
        }
        .interactive-widget {
            background: #f0fff4;
            border-left: 4px solid #38a169;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ccc;
            cursor: pointer;
        }
        .star-rating .active {
            color: #ecc94b;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-family: inherit;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
            text-align: center;
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            margin: 0.5rem 0;
            border-radius: var(--radius);
            border-left: 3px solid var(--accent);
        }
        friend-link a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            :root {
                font-size: 15px;
            }
        }