:root {
            --primary: #9c27b0;
            --primary-dark: #7b1fa2;
            --secondary: #ff9800;
            --dark: #2c3e50;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #4caf50;
            --danger: #f44336;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark), #1a237e);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo span {
            color: var(--secondary);
        }
        .desktop-nav {
            display: flex;
            gap: 25px;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 3px;
            background-color: var(--secondary);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        .desktop-nav a:hover::after,
        .desktop-nav a.active::after {
            transform: scaleX(1);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark);
            padding: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.05);
            padding-left: 25px;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background-color: white;
            padding: 40px 0;
            text-align: center;
            border-bottom: 1px solid #eee;
        }
        .search-section h2 {
            margin-bottom: 20px;
            color: var(--dark);
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--primary-dark);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 30px;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .featured-image {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 10px;
            background-color: #f9f9f9;
        }
        .article-body h2 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #eee;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        .article-body p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f9ff, #eef2ff);
            border-left: 5px solid var(--primary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .strategy-tip {
            background-color: #fff8e1;
            border-radius: var(--radius);
            padding: 20px;
            margin: 25px 0;
            border-left: 5px solid var(--secondary);
        }
        .strategy-tip h4 {
            color: #e65100;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .quote {
            font-size: 1.2rem;
            font-style: italic;
            color: var(--dark);
            text-align: center;
            padding: 30px;
            background-color: #f9f9f9;
            border-radius: var(--radius);
            margin: 30px 0;
            position: relative;
        }
        .quote::before,
        .quote::after {
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.2;
            position: absolute;
        }
        .quote::before {
            content: "“";
            top: 10px;
            left: 20px;
        }
        .quote::after {
            content: "”";
            bottom: 10px;
            right: 20px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .data-table th,
        .data-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        .data-table th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        .data-table tr:hover {
            background-color: #f5f5f5;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 25px;
        }
        .sidebar-widget h3 {
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i {
            color: var(--primary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 20px 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .rating-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 14px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--primary-dark);
        }
        .popular-links {
            list-style: none;
        }
        .popular-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed #eee;
        }
        .popular-links li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .popular-links a {
            color: var(--dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .popular-links a:hover {
            color: var(--primary);
            padding-left: 10px;
        }
        .popular-links i {
            color: var(--primary);
        }
        .comments-section {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-top: 40px;
        }
        .comments-section h2 {
            color: var(--dark);
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 40px;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .comment-form textarea {
            grid-column: 1 / -1;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            grid-column: 1 / -1;
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 16px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--primary-dark);
        }
        .comment {
            display: flex;
            gap: 20px;
            padding: 25px 0;
            border-bottom: 1px solid #eee;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-avatar {
            width: 60px;
            height: 60px;
            background-color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .comment-content h4 {
            color: var(--dark);
            margin-bottom: 5px;
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .internal-links {
            background-color: white;
            padding: 40px 0;
            margin-top: 40px;
            border-top: 1px solid #eee;
        }
        .web-link {
            display: inline-block;
            background-color: #f8f9fa;
            padding: 12px 25px;
            margin: 0 15px 15px 0;
            border-radius: 30px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .web-link:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            background-color: var(--primary);
            transform: translateY(-5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .article-content {
                padding: 25px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .comment-form {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-input,
            .search-btn {
                width: 100%;
                border-radius: 0;
            }
            .header-top {
                padding: 12px 0;
            }
            .logo {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .meta-info {
                flex-direction: column;
                gap: 10px;
            }
            .comment {
                flex-direction: column;
                gap: 15px;
            }
            .comment-avatar {
                align-self: flex-start;
            }
        }