* {
            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: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #1a5fb4;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e95420;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d3e6a 0%, #1a5fb4 100%);
            color: white;
            padding: 1rem 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;
        }
        .logo a {
            color: white;
            font-size: 2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #ffa500;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffa500;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #e8eff7;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a5fb4;
        }
        .main-content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
            flex: 1;
        }
        @media (max-width: 992px) {
            .main-content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-container {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        article h1 {
            color: #0d3e6a;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffa500;
            padding-bottom: 0.7rem;
        }
        article h2 {
            color: #1a5fb4;
            margin: 2.5rem 0 1.2rem;
            font-size: 1.8rem;
        }
        article h3 {
            color: #333;
            margin: 2rem 0 1rem;
            font-size: 1.4rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
            background-color: #f0f7ff;
            padding: 1.5rem;
            border-left: 5px solid #1a5fb4;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #fff8e1, #ffecb3);
            border-left: 6px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box {
            background-color: #e8f5e9;
            border-left: 6px solid #4caf50;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .related-links {
            background-color: #f3f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links h3 {
            color: #1a5fb4;
            margin-top: 0;
        }
        .related-links ul {
            list-style: disc;
            padding-left: 1.5rem;
        }
        .related-links li {
            margin-bottom: 0.7rem;
        }
        .article-image {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-image img {
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            border: 1px solid #ddd;
        }
        .article-image figcaption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .widget h3 {
            color: #0d3e6a;
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #eee;
            font-size: 1.3rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: #1a5fb4;
        }
        .search-form button {
            background-color: #1a5fb4;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: #0d3e6a;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #1a5fb4;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .star-rating .star {
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffa500;
        }
        .submit-btn {
            background: linear-gradient(to right, #1a5fb4, #0d3e6a);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(26, 95, 180, 0.3);
        }
        .site-footer {
            background-color: #0d3e6a;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #2a5a8a;
        }
        friend-link {
            display: inline-block;
        }
        .friend-links a {
            color: #a3d5ff;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .friend-links a:hover {
            color: white;
            background-color: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #8ab4f8;
            padding-top: 1.5rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .logo {
                order: 0;
                flex: 1;
            }
            .main-nav {
                order: 2;
                flex-basis: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.6rem;
            }
            .article-container {
                padding: 1.5rem;
            }
        }