* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        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, #4a148c);
            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 {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.3s ease;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin: 20px auto;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 3px solid #ff9800;
        }
        h1 {
            font-size: 3rem;
            color: #1a237e;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-style: italic;
        }
        .content-section {
            margin-bottom: 40px;
            padding: 0 20px;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a148c;
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #c5cae9;
        }
        h3 {
            font-size: 1.8rem;
            color: #5c6bc0;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 20px;
            border-left: 5px solid #ff9800;
            margin: 25px 0;
            border-radius: 5px;
            font-weight: bold;
        }
        .image-wrapper {
            text-align: center;
            margin: 30px 0;
        }
        .image-wrapper img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
            max-width: 80%;
            margin: 0 auto;
        }
        .image-wrapper img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-size: 0.9rem;
            color: #777;
            margin-top: 10px;
        }
        .functional-section {
            background-color: #f3e5f5;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
            text-align: center;
        }
        .functional-section h3 {
            color: #7b1fa2;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 20px auto;
        }
        input, textarea, select {
            padding: 15px;
            border: 2px solid #c5cae9;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #5c6bc0;
            outline: none;
        }
        button {
            padding: 15px 30px;
            background: linear-gradient(to right, #5c6bc0, #7b1fa2);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(to right, #7b1fa2, #5c6bc0);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 2rem;
            color: #ffc107;
            margin: 15px 0;
        }
        .rating i {
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating i:hover {
            color: #ff9800;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            padding: 40px 20px;
            background-color: #e8eaf6;
        }
        .web-link {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
        }
        .web-link a {
            color: #5c6bc0;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .web-link a:hover {
            color: #1a237e;
            text-decoration: underline;
        }
        footer {
            background-color: #1a237e;
            color: white;
            text-align: center;
            padding: 30px 0;
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 15px;
            }
            .functional-section {
                padding: 20px;
            }
            form {
                width: 100%;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) {
            .nav-mobile {
                display: none !important;
            }
        }