* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        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, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #00d4ff;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            font-size: 2.5rem;
        }
        nav {
            background-color: #0f3460;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.8rem 0;
        }
        .breadcrumb {
            font-size: 0.95rem;
            color: #ccc;
        }
        .breadcrumb a {
            color: #00d4ff;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #888;
        }
        .main-nav {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .main-nav a:hover {
            background-color: #00d4ff;
            color: #1a1a2e;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
        }
        @media (max-width: 768px) {
            .main-nav {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #0f3460;
                display: none;
                z-index: 1000;
                padding: 1rem 0;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav li {
                margin: 0.5rem 0;
                text-align: center;
            }
            .hamburger {
                display: block;
            }
            .nav-container {
                flex-wrap: wrap;
            }
        }
        .search-section {
            background-color: #e9ecef;
            padding: 1.5rem 0;
            margin: 1.5rem 0;
            border-radius: 10px;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #007bff;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-form button {
            background-color: #007bff;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #0056b3;
        }
        main {
            padding: 2.5rem 0;
            background-color: #fff;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            color: #0f3460;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #00d4ff;
        }
        h3 {
            font-size: 1.8rem;
            color: #16213e;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid #ffcc00;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 8px;
        }
        .bold {
            font-weight: 800;
            color: #1a1a2e;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .image-container img {
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            transition: transform 0.4s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 1rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .form-box {
            background-color: #f1f8ff;
            padding: 2rem;
            border-radius: 12px;
            border: 2px solid #cce7ff;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .form-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 123, 255, 0.15);
        }
        .form-box h3 {
            color: #007bff;
            margin-top: 0;
            display: flex;
            align-items: center;
        }
        .form-box i {
            margin-right: 10px;
            font-size: 1.5rem;
        }
        .form-box form {
            display: flex;
            flex-direction: column;
        }
        .form-box input, .form-box textarea, .form-box select {
            margin-bottom: 1.2rem;
            padding: 0.9rem;
            border: 1px solid #b3d7ff;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-box input:focus, .form-box textarea:focus, .form-box select:focus {
            border-color: #007bff;
            outline: none;
        }
        .form-box button {
            background-color: #28a745;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .form-box button:hover {
            background-color: #218838;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffcc00;
        }
        .internal-links {
            background-color: #e9ecef;
            padding: 2.5rem 0;
            margin-top: 2rem;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem 1.5rem;
            padding: 0.8rem 1.5rem;
            background-color: #fff;
            border-radius: 50px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
        }
        .web-link:hover {
            background-color: #007bff;
            color: white;
            transform: scale(1.05);
        }
        .web-link a {
            color: inherit;
            font-weight: 600;
        }
        footer {
            background-color: #1a1a2e;
            color: #ccc;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 1.5rem;
        }
        .footer-section h4 {
            color: #00d4ff;
            margin-bottom: 1.2rem;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: #00d4ff;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            font-size: 0.95rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article { padding: 0 1rem; }
            .interactive-section { grid-template-columns: 1fr; }
            .footer-section { flex: 100%; }
        }