* {
            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: #f9f9f9;
        }
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #004499;
            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, #1a237e, #283593);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ffecb3;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: none;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 3px 0;
            border-radius: 2px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 25px;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 10px 20px;
            margin-top: 10px;
            border-radius: 5px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            color: #3949ab;
        }
        .breadcrumb span {
            color: #777;
        }
        main {
            padding: 30px 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 20px;
        }
        article {
            padding: 0 20px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 30px 0 15px;
            border-left: 5px solid #ffd700;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            color: #3949ab;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 15px;
            border-left: 4px solid #ffd700;
            margin: 20px 0;
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-image {
            width: 80%;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .feature-image img {
            width: 100%;
            height: auto;
        }
        .feature-image figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            background-color: #f5f5f5;
        }
        .functional-section {
            background-color: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            margin: 40px 0;
            border: 1px solid #e0e0e0;
        }
        .functional-section h2 {
            border-left: none;
            color: #1a237e;
            text-align: center;
            margin-bottom: 25px;
        }
        form {
            display: grid;
            gap: 15px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            border: none;
            padding: 15px 25px;
            font-size: 1.1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        button:hover {
            background: linear-gradient(135deg, #283593, #3949ab);
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffd700;
        }
        .footer-links {
            background-color: #e8eaf6;
            padding: 30px 20px;
            margin-top: 40px;
        }
        .web-link {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background-color: white;
            border-radius: 5px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #1a237e;
            font-weight: 600;
        }
        .web-link:hover {
            transform: translateY(-3px);
            transition: transform 0.3s ease;
        }
        footer {
            background-color: #1a237e;
            color: white;
            text-align: center;
            padding: 25px 20px;
            margin-top: 40px;
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #283593;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-radius: 0 0 10px 10px;
                box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
                text-align: center;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .functional-section {
                padding: 20px;
            }
            .web-link {
                display: block;
                margin: 10px 0;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
        }