body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f9f9f9; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #1a73e8; color: white; padding: 15px 0; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-nav-toggle { display: none; position: absolute; top: 15px; right: 20px; font-size: 24px; cursor: pointer; }
        h1 { font-size: 32px; margin-bottom: 20px; color: #1a73e8; }
        h2 { font-size: 24px; margin: 30px 0 15px; color: #0d47a1; border-bottom: 2px solid #1a73e8; padding-bottom: 5px; }
        h3 { font-size: 20px; margin: 25px 0 10px; color: #1565c0; }
        .btn { display: inline-block; background-color: #1a73e8; color: white; padding: 10px 20px; text-decoration: none; border-radius: 5px; margin: 10px 0; font-weight: bold; }
        .btn:hover { background-color: #0d47a1; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
        .table-container { overflow-x: auto; margin: 20px 0; }
        table { width: 100%; border-collapse: collapse; }
        th, td { padding: 12px; border: 1px solid #ddd; text-align: left; }
        th { background-color: #1a73e8; color: white; }
        tr:nth-child(even) { background-color: #f2f2f2; }
        footer { background-color: #333; color: white; text-align: center; padding: 20px 0; margin-top: 30px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #555; color: white; padding: 5px 10px; border-radius: 20px; margin: 5px; font-size: 14px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; align-items: center; display: none; }
            nav.active { display: flex; }
            .mobile-nav-toggle { display: block; }
            h1 { font-size: 28px; }
            h2 { font-size: 22px; }
            h3 { font-size: 18px; }
        }