* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        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;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
        .py-4 { padding-top: 2rem; padding-bottom: 2rem; }
        .site-header {
            background: linear-gradient(135deg, #0a2e5c 0%, #1a4b8c 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 {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffcc00;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a i {
            font-size: 1.8rem;
        }
        .logo a:hover {
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #e6f2ff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: #ffcc00;
            border-bottom-color: #ffcc00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            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: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #0a2e5c;
            text-decoration: underline;
        }
        .article-hero {
            background: linear-gradient(rgba(10, 46, 92, 0.85), rgba(10, 46, 92, 0.9)), url('https://images.unsplash.com/photo-1540747913346-19e32dc3e97e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 4rem 0;
            margin-bottom: 2rem;
        }
        .hero-content {
            max-width: 800px;
        }
        .article-hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
        }
        .article-hero .lead {
            font-size: 1.3rem;
            opacity: 0.95;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-section {
            margin-bottom: 3rem;
        }
        .main-article h2 {
            color: #0a2e5c;
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffcc00;
        }
        .main-article h3 {
            color: #1a4b8c;
            font-size: 1.8rem;
            margin: 1.8rem 0 1rem;
        }
        .main-article h4 {
            color: #2c5aa0;
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        .main-article p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .main-article strong {
            color: #0a2e5c;
            font-weight: 700;
        }
        .main-article em {
            color: #555;
        }
        .highlight-box {
            background: #f0f8ff;
            border-left: 5px solid #0d6efd;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .figure-img {
            margin: 2rem auto;
            text-align: center;
        }
        .figure-img img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dashed #0d6efd;
        }
        .inline-link:hover {
            border-bottom-style: solid;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #0a2e5c;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ced4da;
            border-right: none;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #0a2e5c;
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            padding: 0 1.2rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #1a4b8c;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .star-rating .star:hover {
            transform: scale(1.1);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #495057;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px;
            border: 2px solid #ced4da;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #0a2e5c;
            outline: none;
        }
        .form-submit {
            background: linear-gradient(to right, #0a2e5c, #1a4b8c);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 14px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .form-submit:hover {
            opacity: 0.9;
        }
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: #ffcc00;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #444;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: #ffcc00;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
            background: #2a2a2a;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        friend-link a {
            color: #4da6ff;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0a2e5c;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                z-index: 999;
            }
            .main-nav.active ul {
                display: flex;
            }
            .article-hero h1 {
                font-size: 2.5rem;
            }
            .article-hero .lead {
                font-size: 1.1rem;
            }
            .main-article {
                padding: 1.5rem;
            }
            .main-article h2 {
                font-size: 1.9rem;
            }
            .main-article h3 {
                font-size: 1.6rem;
            }
        }