:root {
            --primary-color: #3a0ca3;
            --secondary-color: #4361ee;
            --accent-color: #f72585;
            --text-color: #2b2d42;
            --light-bg: #f8f9fa;
            --dark-bg: #212529;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1.2rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 0 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            margin: 1rem 0 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            margin: 2.5rem 0;
            padding: 1.5rem;
            background-color: var(--light-bg);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--secondary-color);
        }
        .search-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--primary-color);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .article-content h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--light-bg);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .last-updated {
            color: var(--accent-color);
            font-weight: 600;
        }
        .article-content h2 {
            font-size: 1.9rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e9ecef;
        }
        .article-content h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .article-content emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--box-shadow);
        }
        .internal-link {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary-color);
            transition: var(--transition);
        }
        .internal-link:hover {
            color: var(--accent-color);
            border-bottom-style: solid;
        }
        .sidebar {
            background-color: var(--light-bg);
            padding: 1.8rem;
            border-radius: var(--border-radius);
            align-self: start;
            box-shadow: var(--box-shadow);
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ddd;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .fas {
            transition: var(--transition);
        }
        .stars .fas:hover,
        .stars .fas.active {
            color: #ffc107;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--primary-color);
        }
        .comments-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 3px solid var(--light-bg);
        }
        .comments-section h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .comment-form {
            background-color: var(--light-bg);
            padding: 1.8rem;
            border-radius: var(--border-radius);
            margin-bottom: 2.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        .comment-form button {
            align-self: flex-start;
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0.9rem 2.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #d63384;
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: #adb5bd;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            padding: 0 1.5rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #74c0fc;
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .nav-container {
                width: 100%;
                justify-content: space-between;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-color);
                padding: 1rem;
                border-radius: var(--border-radius);
                margin-top: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.6rem;
            }
            .article-content h3 {
                font-size: 1.3rem;
            }
        }
        @media print {
            .site-header,
            .search-container,
            .sidebar,
            .comments-section,
            .site-footer {
                display: none;
            }
            body {
                max-width: 100%;
                padding: 0;
            }
            .article-content {
                width: 100%;
            }
        }