* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: white;
            text-decoration: none;
            font-size: 2rem;
            font-weight: bold;
            letter-spacing: 1px;
            text-transform: uppercase;
            transition: color 0.3s ease;
        }
        .logo a:hover {
            color: #ffcc00;
        }
        .logo a i {
            margin-right: 10px;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 25px;
        }
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        nav ul li a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            color: #ffcc00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 10px 20px;
            margin-top: 10px;
            border-radius: 5px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #2a5298;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 15px;
        }
        .article-header .meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .article-content h2 {
            color: #2a5298;
            margin: 25px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffcc00;
            font-size: 1.8rem;
        }
        .article-content h3 {
            color: #1e3c72;
            margin: 20px 0 10px;
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .article-content strong {
            color: #1e3c72;
            font-weight: 700;
        }
        .article-content em {
            color: #666;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 15px;
            border-left: 5px solid #ffcc00;
            margin: 20px 0;
            border-radius: 5px;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-container figcaption {
            margin-top: 10px;
            color: #666;
            font-style: italic;
        }
        .links-list {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
        }
        .links-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .links-list li a {
            color: #2a5298;
            text-decoration: none;
            padding: 10px 15px;
            display: block;
            background: white;
            border-radius: 5px;
            transition: all 0.3s ease;
            border-left: 4px solid #2a5298;
        }
        .links-list li a:hover {
            background: #2a5298;
            color: white;
            transform: translateX(5px);
        }
        .sidebar {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar h3 {
            color: #2a5298;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffcc00;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 30px;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .search-box input:focus, .comment-form input:focus, .comment-form textarea:focus, .rating-form select:focus {
            border-color: #2a5298;
            outline: none;
        }
        .search-box button, .comment-form button, .rating-form button {
            width: 100%;
            padding: 12px;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-box button:hover, .comment-form button:hover, .rating-form button:hover {
            background: linear-gradient(135deg, #2a5298, #3a6bc9);
        }
        .rating-form .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 15px;
        }
        .rating-form .stars i {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating-form .stars i:hover, .rating-form .stars i.active {
            color: #ffcc00;
        }
        footer {
            background: #1e3c72;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: white;
            text-decoration: none;
            padding: 8px 0;
            display: block;
            transition: color 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        friend-link a:hover {
            color: #ffcc00;
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 15px;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 5px 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .links-list ul {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }