/* ═══ 可修改编码的纪念手卡 ═══ */
.memory-card-section { max-width: 960px; }
.memory-card-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 1fr);
  gap: 36px;
  align-items: center;
}
.memory-card-copy .section-title { font-size: 26px; line-height: 1.45; }
.memory-card-copy .section-subtitle { max-width: 430px; }
.memory-card-controls { margin-top: 28px; padding: 18px; border-radius: 8px; }
.memory-card-controls label {
  display: block;
  margin-bottom: 10px;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-dim);
}
.memory-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  gap: 10px;
}
.memory-code-input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(245,200,122,0.24);
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1.5px;
  outline: none;
  -webkit-user-select: text;
  user-select: text;
}
.memory-code-input:focus { border-color: rgba(245,200,122,0.62); box-shadow: 0 0 0 3px var(--glow-warm-08); }
.memory-code-input--readonly { opacity: 0.7; cursor: default; }
.memory-code-random {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(245,200,122,0.28);
  border-radius: 8px;
  background: var(--glow-warm-08);
  color: var(--glow-warm);
  font-size: 20px;
  cursor: pointer;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.memory-code-random:hover { transform: rotate(18deg); border-color: rgba(245,200,122,0.6); }
.memory-code-random:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 3px; }
.memory-print { width: 100%; margin-top: 12px; border-radius: 8px; }
.memory-card-preview { display: flex; justify-content: center; }
.keepsake-card {
  position: relative;
  width: min(100%, 370px);
  aspect-ratio: 0.68;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--glow-warm-20), transparent 26%),
    radial-gradient(circle at 74% 18%, rgba(255,255,255,0.12), transparent 25%),
    linear-gradient(160deg, #080c18, #111735 52%, #21170b);
  box-shadow: 0 28px 80px rgba(0,0,0,0.36), inset 0 0 0 1px var(--glow-warm-08);
  isolation: isolate;
  contain: layout paint;
}
.keepsake-card::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  pointer-events: none;
}
.keepsake-card::after {
  content: '';
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 108px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245,200,122,0.7), transparent);
}
.keepsake-orbit { position: absolute; border: 1px solid rgba(245,200,122,0.12); border-radius: 50%; pointer-events: none; }
.keepsake-orbit-a { width: 230px; height: 230px; right: -82px; top: -76px; }
.keepsake-orbit-b { width: 340px; height: 340px; left: -160px; bottom: -190px; border-color: rgba(255,255,255,0.08); }
.keepsake-card-top,
.keepsake-card-code {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-secondary);
}
.keepsake-card-stamp {
  position: absolute;
  z-index: 2;
  right: 24px;
  top: 56px;
  max-width: 128px;
  padding: 8px 10px;
  border: 1px solid rgba(245,200,122,.34);
  border-radius: 6px;
  color: rgba(245,200,122,.9);
  background: rgba(5,8,12,.42);
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
  transform: rotate(3deg);
  box-shadow: 0 0 24px rgba(245,200,122,.08);
}
.keepsake-card-mark {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  margin-top: 58px;
  border-radius: 50%;
  background: rgba(245,200,122,0.12);
  box-shadow: 0 0 44px rgba(245,200,122,0.16);
}
.keepsake-card-mark span { font-size: 44px; font-weight: 700; color: var(--glow-warm); }
.keepsake-card-title { position: relative; z-index: 1; margin-top: 30px; }
.keepsake-card-title p { margin: 0; font-size: 24px; line-height: 1; }
.keepsake-card-title strong {
  display: block;
  margin-top: 8px;
  color: var(--glow-warm);
  font-size: clamp(58px, 13vw, 78px);
  line-height: 0.94;
  letter-spacing: 0;
}
.keepsake-card-note {
  position: relative;
  z-index: 1;
  max-width: 250px;
  margin-top: 24px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
}
.keepsake-card-meta {
  position: relative;
  z-index: 1;
  max-width: 250px;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.keepsake-card-meta span {
  display: block;
  margin-bottom: 6px;
  color: rgba(255,255,255,.42);
  font-size: 10px;
  letter-spacing: 2px;
}
.keepsake-card-meta strong {
  display: block;
  color: rgba(255,255,255,.86);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
}
.keepsake-card-meta em {
  display: block;
  margin-top: 8px;
  color: rgba(255,255,255,.46);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 1px;
}
.keepsake-card-code {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 34px;
  align-items: flex-end;
}
.keepsake-card-code strong {
  max-width: 58%;
  overflow-wrap: anywhere;
  color: var(--glow-warm);
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 16px;
  letter-spacing: 1.5px;
}
@media (max-width: 760px) {
  .memory-card-layout { grid-template-columns: 1fr; gap: 30px; }
  .memory-card-copy .section-title { font-size: 24px; }
  .section { padding-left: 20px; padding-right: 20px; }
  .chapter-progress { right: 14px; bottom: calc(16px + var(--safe-bottom)); }
  .hero-title { font-size: 30px; }
  .keepsake-card { width: min(100%, 340px); padding: 22px; }
  .keepsake-card-stamp { right: 20px; top: 52px; max-width: 116px; font-size: 11px; }
  .keepsake-card-meta { max-width: 220px; margin-top: 14px; }
  .keepsake-card-title strong { font-size: clamp(52px, 18vw, 68px); }
  .keepsake-card-code { left: 22px; right: 22px; }
  .keepsake-card-code strong { max-width: 62%; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .fx-canvas,
  .particle-canvas,
  .lamp-glow {
    display: none !important;
  }
}
@media print {
  body > * { display: none !important; }
  body > .print-card {
    display: block !important;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 86mm;
    box-shadow: none;
    border: 1px solid #ccc;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .print-card, .print-card * { visibility: visible !important; }
  html, body { background: #fff; height: auto; overflow: visible; }
}