* {
            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;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, #1a237e, #0d47a1);
            color: white;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            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 {
            display: flex;
            gap: 2rem;
        }
        .nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s ease, color 0.3s ease;
        }
        .nav a:hover {
            background: #ff9800;
            color: #1a237e;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 1rem 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #0d47a1;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .article {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .article h1 {
            font-size: 2.5rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article h2 {
            font-size: 1.8rem;
            color: #0d47a1;
            margin: 1.5rem 0 1rem;
            border-left: 5px solid #ff9800;
            padding-left: 0.75rem;
        }
        .article h3 {
            font-size: 1.4rem;
            color: #1565c0;
            margin: 1.2rem 0 0.8rem;
        }
        .article p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .article strong {
            color: #d84315;
            font-weight: 700;
        }
        .article em {
            color: #388e3c;
        }
        .highlight {
            background: #fff3e0;
            padding: 1rem;
            border-left: 4px solid #ff9800;
            margin: 1.5rem 0;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
        }
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .feature-box {
            background: #e8f5e9;
            padding: 1.5rem;
            border-radius: 10px;
            border: 2px solid #4caf50;
        }
        .feature-box h3 {
            color: #2e7d32;
            margin-bottom: 1rem;
        }
        .feature-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feature-box input, .feature-box textarea, .feature-box select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        .feature-box button {
            background: linear-gradient(to right, #1a237e, #0d47a1);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .feature-box button:hover {
            background: linear-gradient(to right, #0d47a1, #1a237e);
        }
        .web-links {
            background: #f5f5f5;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 6px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .web-link a {
            color: #1a237e;
            font-weight: 600;
        }
        .footer {
            background: #1a237e;
            color: white;
            padding: 2rem;
            text-align: center;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                padding: 1rem;
            }
            .logo {
                font-size: 1.8rem;
                margin-bottom: 1rem;
            }
            .nav {
                flex-direction: column;
                gap: 1rem;
                width: 100%;
                display: none;
            }
            #nav-toggle:checked ~ .nav {
                display: flex;
            }
            .hamburger {
                display: block;
                align-self: flex-end;
                margin-top: -2rem;
            }
            .article h1 {
                font-size: 2rem;
            }
            .article h2 {
                font-size: 1.5rem;
            }
            .features {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .web-links {
                grid-template-columns: 1fr;
            }
            .article {
                padding: 1.5rem;
            }
        }