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reduce){.letter-card,.letter-backdrop,.story-pill.is-new{animation:none}}.chip.is-locked{opacity:.6;cursor:not-allowed;border-style:dashed}.letter-card{font-family:var(--serif),"Songti TC","Noto Serif TC","PMingLiU","MingLiU",serif}.letter-card p{line-height:1.75}.letter-sign span{white-space:pre-line;display:inline-block;text-align:right}.letter-photo{margin:16px auto 4px;width:min(100%,320px);background:#fff;padding:10px 10px 0;box-shadow:0 6px 18px #281e1438;transform:rotate(-2.2deg)}.letter-photo img,.letter-photo-blank{display:block;width:100%;aspect-ratio:5 / 4;object-fit:cover;background:linear-gradient(180deg,#e9b98a,#f39a5b)}.letter-photo.is-loading .letter-photo-blank{animation:letter-fade 1.2s ease-in-out infinite alternate}.letter-photo figcaption{text-align:center;padding:8px 0 10px;font-size:18px;color:#2a2620;letter-spacing:.06em}.nowrap{white-space:nowrap}.touch-dock{position:absolute;left:0;right:0;bottom:0;z-index:3;pointer-events:none;display:flex;flex-direction:column;align-items:center}.touch-bar{align-self:stretch;display:flex;align-items:stretch;gap:10px;padding:10px max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}.touch-hud{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 12px;border-radius:14px;background:#121214b8;color:#f4f1ea;font-variant-numeric:tabular-nums}.touch-hud .shift-lights{margin:0}.touch-hud-row{display:flex;align-items:center;gap:12px;font-size:14px}.touch-hud-row small{opacity:.7;font-size:11px}.touch-gear{font-size:22px;min-width:16px;text-align:center}.touch-tree{display:flex;align-items:center;gap:4px}.touch-tree i{width:10px;height:10px;border-radius:50%;background:#3a3a3e}.touch-tree i.amber.on{background:#ffb400;box-shadow:0 0 8px #ffb400}.touch-tree i.green.on{background:#2ee66b;box-shadow:0 0 8px #2ee66b}.touch-tree i.red.on{background:#ff3b30;box-shadow:0 0 8px #ff3b30}.touch-time{margin-left:6px}.thumb{pointer-events:auto;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;height:72px;border-radius:18px;border:1px solid rgba(0,0,0,.12);background:#fbfaf7eb;color:#1b1b1d;font:600 17px/1 var(--sans, system-ui);box-shadow:0 8px 22px #140f0a2e}.thumb:disabled{opacity:.45}.thumb-paddle{width:88px;flex:none;font-size:34px;font-weight:500}.thumb-paddle.is-flash{animation:thumb-flash .25s ease-out}.thumb-action{flex:1;min-width:0}.thumb-action.is-primary{background:#1b1b1d;color:#fff}.thumb-action.is-go{background:#1f9d55;color:#fff;border-color:transparent}.thumb:active:not(:disabled){transform:scale(.97)}@keyframes thumb-flash{0%{background:#ffd34d}to{background:#fbfaf7eb}}.is-touch kbd,.is-touch .keys-line{display:none}.is-touch .footnote,.is-touch .side-card{bottom:104px}.is-touch .side-card.is-collapsed{bottom:176px}@media (min-width: 901px){.is-touch .story-hints{bottom:104px}}@media (max-height: 520px) and (orientation: landscape){.is-touch .side-card{top:8px;bottom:96px;left:auto;right:8px;width:min(46vw,360px);max-height:none}.is-touch .editorial{display:none}.is-touch .side-card.is-collapsed{top:8px;bottom:auto}.thumb{height:64px}}