* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #2a4365;
            --secondary-color: #d69e2e;
            --accent-color: #c53030;
            --light-bg: #f7fafc;
            --dark-text: #1a202c;
            --light-text: #718096;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #1a365d);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: white;
            transform: scale(1.05);
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .search-bar {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-bar input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-bar button {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-bar button:hover {
            background: #b7791f;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        nav {
            background: rgba(0, 0, 0, 0.2);
            padding: 10px 0;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
            gap: 30px;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--secondary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background: var(--light-bg);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--light-text);
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2.2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: var(--accent-color);
            font-size: 1.4rem;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary-color);
            font-weight: 600;
            background: var(--light-bg);
            padding: 20px;
            border-left: 4px solid var(--secondary-color);
            border-radius: 5px;
            margin: 30px 0;
        }
        .highlight {
            background: linear-gradient(120deg, #fdf6b3 0%, #fdf6b3 100%);
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        .internal-link {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-color);
            transition: var(--transition);
        }
        .internal-link:hover {
            color: #9b2c2c;
            border-bottom-style: solid;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--light-text);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .interactive-module {
            background: var(--light-bg);
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid var(--border-color);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }
        .module-title i {
            color: var(--secondary-color);
            font-size: 1.8rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .rating-stars i {
            color: #ecc94b;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 12px;
            margin: 10px 0 20px;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        textarea:focus, input:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.2);
        }
        button, .btn {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover, .btn:hover {
            background: #b7791f;
            transform: translateY(-2px);
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        .grid-item {
            background: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--primary-color);
        }
        .grid-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.15);
        }
        footer {
            background: var(--primary-color);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
            padding: 5px 0;
            display: block;
        }
        friend-link a:hover {
            color: white;
            padding-left: 10px;
            border-left: 3px solid var(--secondary-color);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .header-top { flex-wrap: wrap; }
            .search-bar { order: 3; margin-top: 15px; max-width: 100%; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            .nav-links {
                flex-direction: column;
                gap: 10px;
                padding: 20px 0;
            }
            article { padding: 25px; }
            .content-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .container { padding: 0 15px; }
            .interactive-module { padding: 20px; }
        }