* {
            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;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #0a58ca;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #1a365d;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.2;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            border-bottom: 4px solid #c8102e;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            margin-top: 2.5rem;
            border-left: 5px solid #0d6efd;
            padding-left: 1rem;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            margin-top: 2rem;
            color: #2d3748;
        }
        h4 {
            font-size: 1.3rem;
            margin-top: 1.5rem;
            color: #4a5568;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 300;
            color: #4a5568;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 0.2em 0.4em;
            border-radius: 3px;
            font-weight: 500;
        }
        .keyword {
            font-weight: bold;
            color: #c8102e;
        }
        em {
            font-style: italic;
            color: #555;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2d4a7a 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;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .header-container {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            letter-spacing: 2px;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #c8102e;
        }
        .my-logo:hover {
            color: #ffc107;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.75rem 1rem;
            border-radius: 5px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #0d6efd;
        }
        .breadcrumb span {
            color: #495057;
        }
        .main-nav {
            width: 100%;
        }
        .nav-list {
            display: flex;
            flex-direction: column;
            list-style: none;
            background-color: #2d4a7a;
            border-radius: 8px;
            overflow: hidden;
            max-height: 0;
            opacity: 0;
            transition: max-height 0.5s ease, opacity 0.3s ease;
        }
        .nav-list.active {
            max-height: 500px;
            opacity: 1;
        }
        @media (min-width: 768px) {
            .nav-list {
                flex-direction: row;
                max-height: none;
                opacity: 1;
                background: none;
                justify-content: center;
                gap: 0;
            }
        }
        .nav-list li {
            width: 100%;
        }
        @media (min-width: 768px) {
            .nav-list li {
                width: auto;
            }
        }
        .nav-list a {
            display: block;
            color: white;
            padding: 1rem 1.5rem;
            text-align: center;
            font-weight: 500;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        @media (min-width: 768px) {
            .nav-list a {
                border-bottom: none;
                border-radius: 5px;
                margin: 0 2px;
            }
        }
        .nav-list a:hover, .nav-list a:focus {
            background-color: rgba(255,255,255,0.15);
            color: #ffc107;
        }
        .hamburger {
            display: block;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
            align-self: flex-end;
            position: absolute;
            top: 1rem;
            right: 20px;
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }
        .module {
            background-color: white;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 4px solid #0d6efd;
        }
        .module h3 {
            margin-top: 0;
            color: #1a365d;
        }
        .module form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        input, select, textarea {
            padding: 0.75rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: #0d6efd;
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button, .btn {
            background-color: #0d6efd;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        button:hover, .btn:hover {
            background-color: #0a58ca;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
            direction: ltr;
        }
        .star {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover, .star:hover ~ .star {
            color: #ffc107;
        }
        .article-hero {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }
        .hero-image {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            margin-bottom: 1.5rem;
        }
        .hero-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .hero-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            font-size: 0.9rem;
            color: #6c757d;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .content-block {
            background-color: white;
            border-radius: 10px;
            padding: 2.5rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
            margin-bottom: 3rem;
        }
        .info-box {
            background-color: #f1f8ff;
            border-left: 5px solid #0d6efd;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 5px 5px 0;
        }
        .info-box h4 {
            margin-top: 0;
            color: #0d6efd;
        }
        .related-links {
            background-color: #fff8e1;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links h4 {
            color: #e65100;
        }
        .related-links ul {
            list-style-type: none;
            padding-left: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.75rem;
        }
        .related-links li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem;
            border-radius: 5px;
            background-color: white;
            border: 1px solid #ffe082;
        }
        .related-links li a:hover {
            background-color: #ffe082;
            border-color: #ffb300;
        }
        .quote {
            font-style: italic;
            font-size: 1.2rem;
            color: #555;
            border-left: 4px solid #c8102e;
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .quote-author {
            text-align: right;
            font-weight: bold;
            color: #333;
            margin-top: 0.5rem;
        }
        .sidebar .module {
            border-top-color: #198754;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h4 {
            font-size: 1.1rem;
            border-bottom: 2px solid #dee2e6;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .widget-list {
            list-style: none;
            padding-left: 0;
        }
        .widget-list li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px dashed #dee2e6;
        }
        .widget-list li:last-child {
            border-bottom: none;
        }
        .widget-list a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .widget-list a:hover {
            color: #c8102e;
        }
        .site-footer {
            background-color: #1a365d;
            color: #e2e8f0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .footer-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffc107;
            font-size: 1.2rem;
            margin-bottom: 1rem;
            border-bottom: none;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: #ffc107;
            padding-left: 5px;
            transition: padding-left 0.3s;
        }
        friend-link {
            display: block;
            background-color: #2d3748;
            padding: 1rem;
            border-radius: 5px;
            margin: 1.5rem 0;
            font-style: italic;
        }
        friend-link a {
            color: #90cdf4;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 2rem;
            border-top: 1px solid #2d4a7a;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mt-3 { margin-top: 1rem; }
        .mb-3 { margin-bottom: 1rem; }
        .py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
        .d-none { display: none; }
        @media (min-width: 768px) {
            .d-md-inline { display: inline; }
        }