* {
            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: #0056b3;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #003d82;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        header {
            background: #1a1a2e;
            color: white;
            padding: 20px 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: 2rem;
            font-weight: 800;
            color: #00b4d8;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #ffd700;
        }
        nav {
            position: relative;
        }
        .nav-links {
            display: flex;
            gap: 30px;
        }
        .nav-links a {
            color: #e6e6e6;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: #00b4d8;
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00b4d8;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 15px 0;
            margin-bottom: 30px;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #0056b3;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffd700;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 5px solid #ffd700;
            margin: 25px 0;
            font-style: italic;
        }
        .image-wrapper {
            margin: 30px auto;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #666;
        }
        .functional-section {
            background: white;
            padding: 30px;
            border-radius: 12px;
            margin-bottom: 30px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .functional-section h2 {
            color: #28a745;
            border-bottom-color: #28a745;
        }
        form {
            display: grid;
            gap: 20px;
            max-width: 600px;
            margin-top: 20px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffd700;
        }
        footer {
            background: #1a1a2e;
            color: #e6e6e6;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #00b4d8;
            margin-bottom: 20px;
        }
        .friend-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
        }
        .friend-links a {
            color: #adb5bd;
            display: block;
            padding: 8px 0;
            border-bottom: 1px dotted #495057;
        }
        .friend-links a:hover {
            color: #00b4d8;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .nav-links {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background: #1a1a2e;
                width: 250px;
                height: calc(100vh - 80px);
                padding: 30px;
                transition: right 0.5s ease;
                z-index: 1000;
            }
            .nav-links.active {
                right: 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 25px;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 10px 20px;
            }
        }