* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #3498db;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #2980b9;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            color: #ffcc00;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            color: #ffdb4d;
        }
        .main-nav {
            display: flex;
            gap: 25px;
        }
        .nav-link {
            color: white;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 4px;
            transition: background 0.3s ease;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-link i {
            margin-right: 8px;
        }
        .hamburger {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 12px 0;
            margin-bottom: 25px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child):after {
            content: ">";
            margin-left: 10px;
            color: #666;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .article-header {
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.5rem;
            color: #1a237e;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .last-updated {
            background: #e8f5e9;
            padding: 8px 15px;
            border-radius: 4px;
            font-weight: 600;
        }
        h2 {
            font-size: 1.8rem;
            color: #283593;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #ddd;
        }
        h3 {
            font-size: 1.4rem;
            color: #3949ab;
            margin: 25px 0 12px;
        }
        h4 {
            font-size: 1.2rem;
            color: #5c6bc0;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: #fffde7;
            padding: 20px;
            border-left: 4px solid #ffcc00;
            margin: 25px 0;
            border-radius: 0 4px 4px 0;
        }
        .highlight strong {
            color: #f57c00;
        }
        .feature-image {
            margin: 30px 0;
            text-align: center;
        }
        .feature-image img {
            border-radius: 8px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .feature-image img:hover {
            transform: scale(1.01);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .content-link {
            color: #1e88e5;
            font-weight: 600;
            border-bottom: 1px dotted #1e88e5;
        }
        .content-link:hover {
            color: #0d47a1;
            border-bottom: 1px solid #0d47a1;
        }
        .search-container {
            background: white;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-button {
            background: #1a237e;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-button:hover {
            background: #283593;
        }
        .rating-container {
            background: white;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .rating-title {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #1a237e;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
        }
        .star {
            font-size: 24px;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .rating-form input, .rating-form textarea {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        .rating-submit {
            background: #4caf50;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .rating-submit:hover {
            background: #388e3c;
        }
        .comments-container {
            background: white;
            padding: 20px;
            border-radius: 10px;
            margin-top: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .comments-title {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: #1a237e;
        }
        .comment-form {
            margin-bottom: 30px;
        }
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
        }
        .comment-submit {
            background: #1a237e;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .comment-submit:hover {
            background: #283593;
        }
        .comment {
            border-bottom: 1px solid #eee;
            padding: 20px 0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: bold;
            color: #1a237e;
            margin-bottom: 5px;
        }
        .comment-date {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .widget-title {
            font-size: 1.2rem;
            color: #1a237e;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .related-links li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #ffcc00;
            margin-bottom: 15px;
        }
        .footer-links h3 {
            color: #ffcc00;
            font-size: 1.2rem;
            margin-bottom: 15px;
            border: none;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bbdefb;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            margin: 20px 0;
            padding: 15px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
        }
        friend-link a {
            color: #ffcc00;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bbdefb;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background: #1a237e;
                padding: 20px;
                transition: left 0.3s ease;
                z-index: 999;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            }
            .main-nav.active {
                left: 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            article {
                padding: 20px;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 800;
            color: #1a237e;
        }
        .italic {
            font-style: italic;
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .py-20 {
            padding-top: 20px;
            padding-bottom: 20px;
        }