main { max-width: 760px; margin: 0 auto; padding: 24px 20px 56px; }
  h1 { font-size: 32px; line-height: 1.12; margin: 6px 0 10px; }
  .intro { color: var(--muted); font-size: 17px; margin: 0 0 18px; }
  .facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0 0 26px; }
  .facts div { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px; text-align: center; font-size: 13px; color: var(--muted); }
  .facts b { display: block; color: var(--ink); font-family: var(--display); font-size: 16px; }
  .steps { display: flex; gap: 6px; margin: 0 0 18px; flex-wrap: wrap; }
  .steps span, .steps button { font: 700 12px var(--display); letter-spacing: .06em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; background: var(--paper-2); color: var(--muted); }
  .steps .on { background: var(--red); color: #fff; }
  .steps .done { background: #e6f3e6; color: #2f6f31; }
  .steps .done:hover { background: #d4ead4; }
  .steps button { font: inherit; letter-spacing: inherit; text-transform: inherit; border: 0; cursor: pointer; }
  .steps button:not(.done):not(.on) { cursor: default; }
  .step { display: none; } .step.on { display: block; }
  h2 { font-size: 22px; margin: 0 0 12px; }
  .pkg { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 10px; display: flex; align-items: flex-start; gap: 12px; cursor: pointer; }
  .pkg input { margin-top: 5px; width: 20px; height: 20px; accent-color: var(--red); flex: 0 0 auto; }
  .pkg .body { flex: 1 1 auto; min-width: 0; }
  .pkg .name { font: 700 19px var(--display); }
  .pkg .spot { font-size: 15px; margin-top: 2px; }
  .pkg .meta { font-size: 13px; color: var(--muted); margin-top: 4px; }
  .pkg .price { font: 700 24px var(--display); color: var(--red-ink); white-space: nowrap; }
  .pkg .price small { display: block; font: 400 12px var(--body); color: var(--muted); text-align: right; }
  .pkg.on { border-color: var(--red); box-shadow: 0 0 0 2px rgba(227,39,34,.15); }
  .pkg:focus-within { outline: 3px solid var(--ink); outline-offset: 2px; }
  .pkg input:focus-visible { outline: none; box-shadow: none; }
  h2[tabindex="-1"]:focus { outline: none; }
  .back { font-weight: 700; color: var(--muted); background: none; border: 0; padding: 10px 6px; cursor: pointer; font-family: inherit; font-size: 15px; }
  .back:hover { color: var(--ink); }
  form, .panel { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
  label { display: block; font-size: 13px; font-weight: 700; color: var(--muted); margin: 12px 0 4px; }
  label:first-child { margin-top: 0; }
  input[aria-invalid="true"] { border-color: var(--red); }
  .field-err { color: #8a1f1a; font-size: 13px; margin-top: 4px; }
  input[type=text], input[type=tel], input[type=email], input[type=url], textarea { width: 100%; font-size: 17px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); -webkit-appearance: none; font-family: inherit; }
  .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; align-items: center; }
  .btn[disabled] { opacity: .6; pointer-events: none; }
  .msg { margin-top: 12px; font-size: 15px; padding: 12px; border-radius: 10px; display: none; }
  .msg.ok { display: block; background: #eef6df; color: #2f5d0c; border: 1px solid #cfe3ad; }
  .msg.err { display: block; background: #fdecea; color: #8a1f1a; border: 1px solid #f5c2be; }
  .drop { display: block; border: 2px dashed var(--line); border-radius: 12px; padding: 18px; text-align: center; color: var(--muted); background: #fbfcf8; cursor: pointer; margin: 0 0 4px; font-weight: 400; }
  .drop:hover { border-color: var(--ink); }
  .drop.on { border-color: var(--green); }
  .drop:focus-within { outline: 3px solid var(--ink); outline-offset: 2px; }
  .drop input { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
  .preview { margin-top: 12px; display: grid; gap: 12px; }
  .preview .p { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
  .preview .p img { width: 100%; display: block; }
  .preview .p div { font-size: 13px; padding: 8px 10px; color: var(--muted); display: flex; justify-content: space-between; }
  .signed { font-size: 14px; color: var(--muted); }
  .cardbox { min-height: 56px; }
  .consent { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0 0; font-size: 14px; font-weight: 400; color: var(--ink); cursor: pointer; }
  .consent input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--red); flex: 0 0 auto; }
  .consent[aria-invalid="true"] { color: #8a1f1a; }
  .cardbox:focus-within { outline: none; }
  #pay[disabled] { opacity: .6; }
  .fallback { margin-top: 36px; }
  .fallback summary { cursor: pointer; font-weight: 700; color: var(--muted); }
  @media (max-width: 600px) { .facts, .row2 { grid-template-columns: 1fr; } h1 { font-size: 27px; } }