:root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #ea4335;
            --text-color: #202124;
            --light-bg: #f8f9fa;
            --dark-bg: #1e1e1e;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            color: var(--text-color);
            background-color: #fff;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-bg);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: var(--secondary-color);
        }
        .logo i {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            font-weight: 500;
        }
        .nav-desktop a:hover {
            color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--dark-bg);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 10px 0;
            border-bottom: 1px solid #333;
        }
        .nav-mobile a:hover {
            color: var(--secondary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light-bg);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #666;
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: #666;
            margin-bottom: 20px;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .content-section {
            margin-bottom: 40px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-bg);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--accent-color);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #e8f0fe;
            padding: 20px;
            border-left: 4px solid var(--primary-color);
            margin: 20px 0;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        b {
            color: var(--dark-bg);
        }
        .interactive-box {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .interactive-box h3 {
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 15px;
            max-width: 500px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            width: 100%;
            font-size: 1rem;
        }
        button {
            padding: 12px 20px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        button:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .rating-stars i {
            color: #ffc107;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .rating-stars i:hover {
            color: #ff9800;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        .link-list a {
            display: block;
            padding: 10px;
            background-color: var(--light-bg);
            border-radius: 5px;
            text-align: center;
            transition: var(--transition);
        }
        .link-list a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            padding: 40px 20px;
            background-color: var(--dark-bg);
            color: white;
        }
        .web-link {
            padding: 15px;
            background-color: #333;
            border-radius: 5px;
            text-align: center;
        }
        .web-link a {
            color: white;
        }
        .web-link:hover {
            background-color: var(--primary-color);
        }
        footer {
            background-color: #111;
            color: #aaa;
            text-align: center;
            padding: 30px 20px;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: white;
        }
        .copyright {
            font-size: 0.9rem;
        }
        .structured-data {
            display: none;
        }