body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #d32f2f; text-align: center; }
        h2 { color: #1976d2; border-bottom: 2px solid #eee; padding-bottom: 5px; }
        h3 { color: #388e3c; }
        .logo { font-size: 28px; font-weight: bold; text-align: center; margin: 20px 0; }
        .nav { background: #f5f5f5; padding: 10px; display: flex; justify-content: space-around; flex-wrap: wrap; }
        .nav a { text-decoration: none; color: #d32f2f; font-weight: bold; }
        .mobile-nav-toggle { display: none; }
        .button { display: inline-block; padding: 10px 20px; background: #d32f2f; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tag { background: #eee; padding: 5px 10px; margin: 5px; display: inline-block; }
        .copyright { text-align: center; margin: 30px 0; font-size: 14px; color: #777; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; align-items: center; }
            .mobile-nav-toggle { display: block; background: #d32f2f; color: white; border: none; padding: 10px; margin: 10px auto; }
            .nav.hidden { display: none; }
        }