* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: #fff;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: transform 0.3s ease;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .logo span {
            color: #fff;
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background 0.3s ease, color 0.3s ease;
        }
        .desktop-nav a:hover {
            background: #ffeb3b;
            color: #1a237e;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #fff;
        }
        .mobile-nav {
            display: none;
            background: #283593;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            padding: 12px;
            display: block;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .mobile-nav a:hover {
            background: #ffeb3b;
            color: #1a237e;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #666;
        }
        .breadcrumb a:hover {
            color: #1a237e;
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            background: #fff;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            padding-right: 20px;
        }
        .sidebar {
            background: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #283593;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffeb3b;
        }
        h3 {
            font-size: 1.8rem;
            color: #3949ab;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #5c6bc0;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: #fff9c4;
            padding: 20px;
            border-left: 5px solid #ffeb3b;
            margin: 25px 0;
            border-radius: 5px;
        }
        .bold {
            font-weight: bold;
            color: #1a237e;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 8px;
        }
        .article-image {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image img:hover {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .form-section {
            background: #e3f2fd;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #1a237e;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 2px solid #bbb;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #1a237e;
            outline: none;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: #fff;
            border: none;
            padding: 12px 25px;
            font-size: 1.1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        .btn:hover {
            background: linear-gradient(135deg, #283593, #3949ab);
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 15px;
        }
        .rating input {
            width: auto;
            margin-right: 5px;
        }
        .sidebar h3 {
            font-size: 1.5rem;
            color: #1a237e;
            margin-bottom: 20px;
        }
        .sidebar ul {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .sidebar li {
            padding: 12px;
            background: #fff;
            border-radius: 5px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .sidebar li:hover {
            transform: translateX(5px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .sidebar a {
            color: #283593;
            font-weight: 500;
        }
        .web-links {
            background: #e8eaf6;
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
        }
        .web-link a {
            color: #1a237e;
            font-weight: bold;
            font-size: 1.1rem;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #1a237e;
            color: #fff;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .copyright {
            font-size: 0.9rem;
            color: #bbb;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            p { font-size: 1rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-content { padding: 0 15px; }
            .content-wrapper { gap: 30px; }
            .article-content { padding-right: 0; }
            .form-section { padding: 20px; }
            .web-links-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
        }