* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4361ee;
            --secondary-color: #3a0ca3;
            --accent-color: #f72585;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
            --border-radius: 12px;
            --box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        .header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #ffdd00;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--secondary-color);
            padding: 1.5rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile .nav-link {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #e9ecef;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb-item {
            font-size: 0.9rem;
            color: var(--gray-color);
        }
        .breadcrumb-item a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb-item a:hover {
            text-decoration: underline;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--box-shadow);
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 2px solid var(--light-color);
            padding-bottom: 2rem;
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--gray-color);
            font-size: 0.9rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .search-container {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--primary-color);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--secondary-color);
        }
        h1 { font-size: 2.8rem; }
        h2 { 
            font-size: 2.2rem; 
            color: var(--secondary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-color);
        }
        h3 { 
            font-size: 1.8rem; 
            color: var(--primary-color);
            margin: 2rem 0 1rem;
        }
        h4 { 
            font-size: 1.4rem; 
            color: var(--dark-color);
            margin: 1.5rem 0 0.8rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .content-section p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background-color: #f0f7ff;
            border-left: 5px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-box {
            background-color: #fff9e6;
            border-left: 5px solid #ffcc00;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-box h4 {
            color: #b8860b;
            margin-top: 0;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border-bottom: 1px dotted var(--primary-color);
        }
        .content-link:hover {
            color: var(--accent-color);
            border-bottom: 1px solid var(--accent-color);
        }
        .user-interaction {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: var(--box-shadow);
        }
        .interaction-title {
            text-align: center;
            color: var(--secondary-color);
            margin-bottom: 2rem;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input, .form-textarea {
            padding: 1rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-button:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1.8rem;
            box-shadow: var(--box-shadow);
        }
        .widget-title {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--light-color);
        }
        .related-links {
            list-style: none;
        }
        .related-link {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #f1f1f1;
        }
        .related-link:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .related-link a {
            color: var(--dark-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
        }
        .related-link a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .friend-link-item {
            background-color: rgba(255,255,255,0.15);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .friend-link-item:hover {
            background-color: rgba(255,255,255,0.25);
            transform: translateY(-3px);
        }
        .friend-link-item a {
            color: white;
            text-decoration: none;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .main-content {
                gap: 2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: var(--border-radius);
                margin-bottom: 0.5rem;
            }
            .search-button {
                border-radius: var(--border-radius);
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .user-interaction {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .keyword {
            background-color: #e9ecef;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            color: var(--primary-color);
        }
        .stat-box {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 2rem 0;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            box-shadow: var(--box-shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .comparison-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .comparison-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid #e9ecef;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .comparison-table tr:hover {
            background-color: #e9ecef;
        }
        .tooltip {
            position: relative;
            display: inline-block;
            border-bottom: 1px dotted var(--primary-color);
            cursor: help;
        }
        .tooltip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: var(--dark-color);
            color: white;
            text-align: center;
            padding: 0.8rem;
            border-radius: var(--border-radius);
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.9rem;
        }
        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }