* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style-position: inside;
            padding-left: 1.2em;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #0056b3, #003d82);
            color: white;
            border-radius: 8px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, #003d82, #002752);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 56, 130, 0.25);
        }
        section {
            padding: 60px 0;
        }
        h1, h2, h3, h4 {
            color: #1a365d;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid #e2e8f0; padding-bottom: 10px; }
        h3 { font-size: 1.8rem; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            section { padding: 40px 0; }
        }
        header {
            background-color: #ffffff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #0056b3;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ffcc00;
        }
        .logo span {
            background: linear-gradient(90deg, #0056b3, #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav li {
            list-style: none;
        }
        .desktop-nav a {
            font-weight: 600;
            color: #4a5568;
            position: relative;
            padding: 5px 0;
        }
        .desktop-nav a:hover {
            color: #0056b3;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #0056b3;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: #0056b3;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            background-color: #ffffff;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            padding: 20px;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            font-weight: 600;
            padding: 12px 15px;
            border-radius: 6px;
            color: #4a5568;
        }
        .mobile-nav a:hover {
            background-color: #f7fafc;
            color: #0056b3;
        }
        @media (max-width: 992px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 15px 20px;
            font-size: 0.9rem;
            color: #718096;
        }
        .breadcrumb a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 8px;
            font-size: 0.8rem;
        }
        .hero {
            background: linear-gradient(rgba(0, 84, 180, 0.85), rgba(0, 61, 130, 0.9)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
        }
        @media (max-width: 768px) {
            .hero { padding: 70px 20px; }
            .hero h1 { font-size: 2.5rem; }
            .hero p { font-size: 1.1rem; }
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 20px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
        }
        article > * + * {
            margin-top: 1.5em;
        }
        article p {
            font-size: 1.1rem;
            margin-bottom: 1.2em;
            text-align: justify;
        }
        article strong {
            color: #1a365d;
            font-weight: 700;
        }
        .highlight-box {
            background-color: #e6f2ff;
            border-left: 5px solid #0056b3;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 30px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .img-container img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .img-container img:hover {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            color: #0056b3;
            font-weight: 600;
            border-bottom: 2px dotted #0056b3;
        }
        .content-link:hover {
            color: #003d82;
            border-bottom-style: solid;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget h3 i {
            color: #ffcc00;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #e2e8f0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #0056b3;
        }
        .search-btn {
            background: linear-gradient(135deg, #0056b3, #003d82);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(135deg, #003d82, #002752);
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
        }
        .stars .active,
        .stars:hover .star {
            color: #ffcc00;
        }
        .star:hover ~ .star {
            color: #e2e8f0;
        }
        .rating-form {
            width: 100%;
        }
        .rating-form select,
        .rating-form textarea {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .comment-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #e2e8f0;
        }
        .comment-form {
            display: grid;
            gap: 15px;
            margin-bottom: 40px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 8px;
            color: #4a5568;
        }
        .form-group input,
        .form-group textarea {
            padding: 12px 15px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #0056b3;
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .comment {
            background-color: #f8fafc;
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #0056b3;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: #718096;
        }
        .comment-author {
            font-weight: 700;
            color: #1a365d;
        }
        footer {
            background-color: #1a365d;
            color: #cbd5e0;
            margin-top: auto;
            padding: 60px 20px 30px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-about p {
            margin-bottom: 20px;
        }
        .footer-links h4,
        .footer-contact h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cbd5e0;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #ffcc00;
            transform: translateX(5px);
        }
        .footer-links i {
            width: 20px;
            text-align: center;
        }
        friend-link {
            display: block;
            margin-top: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .copyright a {
            color: #ffcc00;
        }