* { 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: #0056b3; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #ff6b35; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0c2461 0%, #1e3799 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9a00, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .my-logo a { background: none; -webkit-text-fill-color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ff6b35;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a:focus::after { width: 100%; }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #1e3799;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            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;
        }
        main { padding: 2rem 0; }
        .article-header { text-align: center; margin-bottom: 3rem; }
        .article-header h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: #0c2461;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-header .meta {
            color: #666;
            font-size: 0.95rem;
            margin-top: 1rem;
        }
        .content-section {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-bottom: 2.5rem;
        }
        h2 {
            color: #1e3799;
            border-left: 5px solid #ff6b35;
            padding-left: 1rem;
            margin: 2.5rem 0 1.5rem;
            font-size: 2rem;
        }
        h3 {
            color: #0c2461;
            margin: 2rem 0 1rem;
            font-size: 1.6rem;
        }
        h4 {
            color: #333;
            margin: 1.5rem 0 0.8rem;
            font-size: 1.3rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #ff9a00;
            margin: 2rem 0;
            font-weight: 600;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .related-links {
            background: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h4 { color: #0056b3; margin-top: 0; }
        .related-links ul { padding-left: 1.5rem; }
        .related-links li { margin-bottom: 0.5rem; }
        .interactive-module {
            background: #fff;
            border: 2px solid #e3f2fd;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #1e3799;
            margin-bottom: 1.5rem;
        }
        .module-title i { color: #ff6b35; }
        form { display: grid; gap: 1.2rem; }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #1e3799;
            box-shadow: 0 0 0 3px rgba(30, 55, 153, 0.1);
        }
        button {
            background: linear-gradient(to right, #1e3799, #0c2461);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            justify-self: start;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(30, 55, 153, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            direction: rtl; 
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ff9a00; }
        footer {
            background: #0c2461;
            color: #e0e0e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: #fff;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: #ff9a00;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            margin: 0.3rem;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(255,255,255,0.2); }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .main-nav { display: none; }
            .hamburger { display: flex; }
            .content-section { padding: 1.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (min-width: 769px) {
            .mobile-nav { display: none !important; }
        }