* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #003d82;
            text-decoration: underline;
        }
        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, #0a2e5c 0%, #1a4b8c 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #00a8ff;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #00a8ff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: #00a8ff;
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: #00a8ff;
            left: 0;
            bottom: -5px;
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #0a2e5c;
                padding: 1rem;
                gap: 0;
                display: none;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav ul.active {
                display: flex;
            }
            .main-nav li {
                width: 100%;
                text-align: center;
                padding: 0.8rem 0;
                border-bottom: 1px solid #1a4b8c;
            }
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #0056b3;
        }
        .breadcrumb span {
            color: #777;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #0a2e5c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #1a4b8c;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #00a8ff;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            background: #f1f8ff;
            padding: 1.5rem;
            border-left: 5px solid #00a8ff;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: #fff8e1;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #ffc107;
            margin: 2rem 0;
        }
        .highlight strong {
            color: #d48806;
        }
        .quote {
            font-style: italic;
            color: #666;
            border-left: 4px solid #ccc;
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        em {
            color: #0056b3;
            font-style: italic;
        }
        strong {
            color: #0a2e5c;
            font-weight: 700;
        }
        .article-img {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: fit-content;
        }
        .sidebar h3 {
            color: #1a4b8c;
            border-bottom: 2px solid #00a8ff;
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background: #00a8ff;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #0090d6;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            padding: 0.8rem 0;
            border-bottom: 1px dashed #eee;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            color: #333;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links a:hover {
            color: #0056b3;
        }
        .related-links i {
            color: #00a8ff;
        }
        .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 3rem;
            border: 1px solid #e9ecef;
        }
        .form-title {
            color: #0a2e5c;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #00a8ff;
            outline: none;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
            margin: 0.5rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .btn {
            background: #00a8ff;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #0090d6;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,168,255,0.3);
            text-decoration: none;
        }
        .btn-block {
            display: block;
            width: 100%;
            text-align: center;
        }
        .site-footer {
            background: #0a2e5c;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-widget h4 {
            color: #00a8ff;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            padding: 0.5rem 0;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        .friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.8rem 1.2rem;
            border-radius: 6px;
            margin: 0.3rem;
            color: #00a8ff;
            font-weight: 600;
        }
        .friend-link:hover {
            background: rgba(0,168,255,0.2);
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #1a4b8c;
            color: #aaa;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #777;
            text-align: right;
            margin-bottom: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }