* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #2ec27e;
            --text-color: #333;
            --light-bg: #f6f5f4;
            --dark-bg: #1e1e1e;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 10px;
            color: var(--accent-color);
        }
        .my-logo:hover {
            color: var(--accent-color);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent-color);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .search-form {
            display: flex;
            margin-left: 2rem;
        }
        .search-input {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            width: 200px;
        }
        .search-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #c34113;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            width: 30px;
            height: 21px;
            justify-content: space-between;
        }
        .hamburger span {
            height: 3px;
            width: 100%;
            background-color: white;
            border-radius: 3px;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: #777;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        article {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid var(--light-bg);
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            color: #666;
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        .last-updated {
            color: var(--secondary-color);
            font-weight: 500;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--light-bg);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.1rem;
            color: #555;
            margin: 1.2rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(46, 194, 126, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            max-height: 500px;
            object-fit: cover;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        aside {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--light-bg);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1rem;
            position: relative;
        }
        .related-links li::before {
            content: '▶';
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-size: 0.8rem;
        }
        .user-interaction {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-top: 3rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .interaction-form {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .interaction-form h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin-bottom: 1rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffc107;
        }
        .rating-stars input:checked ~ label {
            color: #ffc107;
        }
        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
        }
        .btn:hover {
            background-color: #0d4a9c;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #c34113;
        }
        footer {
            background-color: var(--dark-bg);
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                width: 100%;
                order: 3;
                margin-top: 1rem;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
            }
            .nav-links li {
                margin: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-links a {
                display: block;
                padding: 1rem 0;
            }
            .search-form {
                margin: 1rem 0 0;
                width: 100%;
            }
            .search-input {
                width: 100%;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article, .user-interaction, aside {
                padding: 1.5rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }
        @media print {
            header, .user-interaction, aside, footer, .breadcrumb {
                display: none;
            }
            body {
                color: #000;
                background: #fff;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
            .container {
                max-width: 100%;
                padding: 0;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            h1, h2, h3 {
                color: #000;
            }
        }