.lattice-stage {
      margin: 0 auto 2rem;
      max-width: 1120px;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      background: #05050a;
    }
    .lattice-stage iframe {
      display: block;
      width: 100%;
      height: min(85vh, 900px);
      min-height: 640px;
      border: 0;
    }
    .lattice-key {
      list-style: none;
      padding: 0;
      margin: 0.75rem 0 0;
      display: grid;
      gap: 0.4rem 1.25rem;
    }
    @media (min-width: 640px) {
      .lattice-key { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 640px) {
      .lattice-stage iframe { min-height: 520px; height: 70vh; }
    }