:root{--primary-color:#2563eb;--secondary-color:#1e40af;--text-color:#1f2937;--bg-color:#fff;--section-padding:2rem;--border-radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:var(--text-color);background:var(--bg-color)}img{max-width:100%;height:auto}.header{position:sticky;top:0;background:var(--bg-color);box-shadow:0 2px 4px rgba(0,0,0,.1);z-index:100;padding:1rem}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 1rem}.logo a{font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}.nav-links{display:none}.nav-links a{color:var(--text-color);text-decoration:none;padding:.5rem 1rem}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--border-radius);text-decoration:none;font-weight:600;transition:all .3s ease}.btn.primary{background:var(--primary-color);color:#fff}.btn.secondary{background:var(--secondary-color);color:#fff}.hero{text-align:center;padding:4rem var(--section-padding);background:linear-gradient(rgba(37,99,235,.1),rgba(37,99,235,.05))}.hero h1{font-size:2rem;margin-bottom:1rem}.hero-subtitle{font-size:1.125rem;color:#4b5563;margin-bottom:2rem}.cta-buttons{display:flex;gap:1rem;justify-content:center}.section{padding:var(--section-padding);max-width:1200px;margin:0 auto}.section h2{font-size:1.75rem;margin-bottom:1.5rem;color:var(--primary-color)}.games-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.download-steps,.auth-guide,.apk-steps{display:flex;flex-direction:column;gap:1.5rem}.step-card{background:#f8fafc;padding:1.5rem;border-radius:var(--border-radius);box-shadow:0 1px 3px rgba(0,0,0,.1)}.faq-container{display:flex;flex-direction:column;gap:1rem}.faq-item{background:#f8fafc;padding:1.5rem;border-radius:var(--border-radius);cursor:pointer}.footer{background:#f1f5f9;padding:3rem var(--section-padding) 1.5rem}.footer-grid{display:grid;gap:2rem;grid-template-columns:1fr;max-width:1200px;margin:0 auto}.footer-section h3{color:var(--primary-color);margin-bottom:1rem}.footer-section a{display:block;color:var(--text-color);text-decoration:none;margin-bottom:.5rem}.footer-bottom{text-align:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid #e2e8f0}@media (min-width:768px){.nav-links{display:flex;gap:1rem}.hero h1{font-size:3rem}.hero-subtitle{font-size:1.25rem}.footer-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:1024px){.section{padding:4rem var(--section-padding)}.hero{padding:6rem var(--section-padding)}}