* {
            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: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #0056b3;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6a00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .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);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0d3a6c 0%, #1a6bb3 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: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            color: #ffcc00;
        }
        .logo-text {
            background: linear-gradient(to right, #ffcc00, #ff9900);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .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: #ffcc00;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffcc00;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #0d3a6c;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            margin: 0.8rem 0;
        }
        .mobile-nav a {
            color: white;
            font-weight: 600;
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .mobile-nav a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #0056b3;
        }
        .main-content {
            padding: 3rem 0;
            background: white;
        }
        .article-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .article-container {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            max-width: 100%;
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 2px solid #e9ecef;
            padding-bottom: 1.5rem;
        }
        .article-title {
            font-size: 2.8rem;
            line-height: 1.2;
            color: #0d3a6c;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            margin: 2.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        .article-image figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: #f8f9fa;
            font-size: 0.9rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 2rem;
            color: #1a6bb3;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
        }
        .subsection-title {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%);
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .info-box {
            background: #e7f3ff;
            border-left: 5px solid #1a6bb3;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box-title {
            font-size: 1.3rem;
            color: #0d3a6c;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .related-links {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h3 {
            margin-bottom: 1rem;
            color: #495057;
        }
        .related-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0;
        }
        .related-links a {
            display: block;
            padding: 0.8rem;
            background: white;
            border-radius: 5px;
            border: 1px solid #dee2e6;
            transition: all 0.3s;
        }
        .related-links a:hover {
            background: #1a6bb3;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .sidebar {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.4rem;
            color: #0d3a6c;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #ced4da;
            border-right: none;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-button {
            background: #1a6bb3;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #0d3a6c;
        }
        .user-form {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        .form-input, .form-textarea, .form-select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: #1a6bb3;
            box-shadow: 0 0 0 3px rgba(26, 107, 179, 0.1);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0 1.5rem;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffcc00;
        }
        .submit-button {
            background: linear-gradient(135deg, #1a6bb3 0%, #0d3a6c 100%);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(13, 58, 108, 0.3);
        }
        .site-footer {
            background: #212529;
            color: #adb5bd;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 1rem;
        }
        .footer-about {
            line-height: 1.6;
        }
        .footer-title {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.7rem;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: #ffcc00;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #adb5bd;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: color 0.3s, transform 0.3s;
        }
        .footer-links a:hover {
            color: #ffcc00;
            transform: translateX(5px);
        }
        .friend-links {
            background: #343a40;
            padding: 2rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .friend-links h2 {
            color: white;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            list-style: none;
        }
        .friend-links-list a {
            color: #adb5bd;
            padding: 0.7rem 1.5rem;
            background: #495057;
            border-radius: 30px;
            transition: all 0.3s;
        }
        .friend-links-list a:hover {
            background: #ffcc00;
            color: #212529;
            transform: scale(1.05);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
            .friend-links-list {
                flex-direction: column;
                align-items: center;
            }
        }