body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f9f9f9; }
        header { background-color: #ff6b35; color: white; padding: 1rem; text-align: center; position: relative; }
        .logo { font-size: 2rem; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: center; gap: 1.5rem; margin-top: 0.5rem; }
        nav a { color: white; text-decoration: none; font-weight: 500; }
        .mobile-menu { display: none; position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; position: absolute; top: 4rem; right: 1rem; background: #ff6b35; padding: 1rem; border-radius: 8px; }
            nav.active { display: flex; }
            .mobile-menu { display: block; }
        }
        main { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
        section { margin-bottom: 3rem; background: white; padding: 2rem; border-radius: 12px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
        h1, h2, h3 { color: #ff6b35; margin-top: 0; }
        h1 { font-size: 2.5rem; border-bottom: 3px solid #ff6b35; padding-bottom: 0.5rem; }
        h2 { font-size: 1.8rem; margin-top: 2rem; }
        h3 { font-size: 1.4rem; color: #e74c3c; }
        .btn { display: inline-block; background: #ff6b35; color: white; padding: 0.8rem 1.5rem; border-radius: 6px; text-decoration: none; font-weight: bold; margin: 0.5rem 0; }
        .download-btn { background: #2ecc71; }
        .login-btn { background: #3498db; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 1rem 0; }
        footer { background: #333; color: white; text-align: center; padding: 2rem; margin-top: 2rem; }
        .tags { margin-top: 1.5rem; }
        .tag { background: #555; color: white; padding: 0.3rem 0.6rem; border-radius: 4px; margin: 0.2rem; display: inline-block; }
        .type-nav { margin-top: 1rem; }
        .type-link { color: #ff6b35; text-decoration: none; }