:root {
            --primary: #1a73e8;
            --secondary: #34a853;
            --accent: #ff6b6b;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Nirmala UI', 'Arial', sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #0d47a1 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            color: white;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(90deg, #ffd166, var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: white;
            color: var(--dark);
            padding: 2rem;
            transition: var(--transition);
            z-index: 1001;
            box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
            overflow-y: auto;
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--light);
        }
        .close-menu {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray);
            cursor: pointer;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            padding: 0.75rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            border-left: 4px solid transparent;
        }
        .mobile-nav-links a:hover {
            background-color: var(--light);
            border-left-color: var(--primary);
            padding-left: 1.5rem;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            display: none;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 0;
            border-bottom: 1px solid #e0e0e0;
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb span {
            color: var(--gray);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: var(--gray);
            font-size: 0.8rem;
        }
        .search-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
            background: white;
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            outline: none;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #0d62d9;
        }
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 2px solid var(--light);
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.2rem;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            color: var(--primary);
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        h3 {
            color: var(--dark);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            background-color: #e8f4fd;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 2rem 0;
        }
        .highlight strong {
            color: var(--primary);
            display: block;
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        .tip-box {
            background-color: #f0f9f0;
            border: 1px solid var(--secondary);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: 2rem 0;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .tip-icon {
            color: var(--secondary);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 0.75rem;
            font-style: italic;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .sidebar {
            margin-top: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-top: 0;
            font-size: 1.3rem;
        }
        .table-of-contents ul {
            list-style: none;
            padding-left: 0;
        }
        .table-of-contents li {
            margin-bottom: 0.75rem;
        }
        .table-of-contents a {
            color: var(--gray);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.5rem;
            border-radius: 6px;
            transition: var(--transition);
        }
        .table-of-contents a:hover {
            background-color: var(--light);
            color: var(--primary);
            padding-left: 1rem;
        }
        .quick-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .stat {
            text-align: center;
            padding: 1rem;
            background: var(--light);
            border-radius: var(--border-radius);
        }
        .stat-number {
            display: block;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        .rating-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            margin: 3rem 0;
            text-align: center;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: center;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            padding: 0 0.2rem;
            transition: var(--transition);
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffc107;
        }
        .rating-form {
            width: 100%;
            max-width: 500px;
        }
        .rating-form input,
        .rating-form textarea {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            transition: var(--transition);
        }
        .rating-form input:focus,
        .rating-form textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
        }
        .rating-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .rating-form button:hover {
            background: #2e8b57;
            transform: translateY(-3px);
        }
        .comments-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .comment-form {
            margin-bottom: 2.5rem;
        }
        .comment {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid #eee;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-avatar {
            width: 60px;
            height: 60px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            flex-shrink: 0;
        }
        .comment-content h4 {
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        .comment-meta {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .footer-links {
            max-width: 1200px;
            margin: 3rem auto 0;
            padding: 0 1.5rem;
        }
        .footer-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: white;
            padding: 1rem 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-links-list {
            list-style: none;
        }
        .footer-links-list li {
            margin-bottom: 0.75rem;
        }
        .footer-links-list a {
            color: #bdc1c6;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links-list a:hover {
            color: white;
            padding-left: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #3c4043;
            color: #9aa0a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .main-container {
                padding: 0 1rem;
                gap: 1.5rem;
            }
            .rating-section,
            .comments-section {
                padding: 1.5rem;
            }
            .stars label {
                font-size: 2rem;
            }
            .footer-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .header-container {
                padding: 0 1rem;
            }
            .footer-links-container {
                grid-template-columns: 1fr;
            }
            .quick-stats {
                grid-template-columns: 1fr;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .keyword {
            background-color: #e8f4fd;
            color: var(--primary);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .text-center {
            text-align: center;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
