/* mobile-frame */
@media (min-width: 768px) {
  html {
    background: linear-gradient(135deg, #1e1e2e, #11111a);
    min-height: 100vh;
  }
  body {
    max-width: 414px;
    margin: 24px auto;
    min-height: calc(100vh - 48px);
    background: white;
    box-shadow: 0 12px 64px rgba(0, 0, 0, 0.5);
    border-radius: 18px;
    overflow-x: hidden;
    position: relative;
  }
}