.miniapp-container{max-width:1200px;margin:0 auto;padding:2rem;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;color:#333;line-height:1.6}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:1rem;font-weight:600;line-height:1.2;color:#2c3e50}h1{font-size:2.5rem;margin-bottom:2rem;text-align:center}h2{font-size:2rem}h3{font-size:1.5rem;margin-top:1.5rem}p{margin-top:0;margin-bottom:1rem}.button{display:inline-block;padding:0.5rem 1rem;background-color:#f8f9fa;color:#495057;text-decoration:none;border-radius:4px;border:1px solid #ced4da;cursor:pointer;font-size:1rem;transition:all 0.2s ease-in-out;margin-right:0.5rem;margin-bottom:0.5rem}.button:hover{background-color:#e9ecef;border-color:#adb5bd}.button.primary{background-color:#2c8c99;color:white;border-color:#2c8c99}.button.primary:hover{background-color:#247a85;border-color:#247a85}