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.3s,opacity .3s}.shelf-dot[aria-selected=true] span{background:var(--seal);opacity:1}.shelf-hint{text-align:center;color:var(--ink-soft);margin:0;font-style:italic;transition:opacity .4s}.shelf-hint.is-done{opacity:0}.topbar+.masthead{padding-top:36px}.envelope.paper-airmail{--env-back:#f1e9da;--env-front:#f3ecdf;--env-flap:#ece2d0;--stripe:7px}.paper-airmail .env-back{background:repeating-linear-gradient(-45deg,#b23a2a 0 9px,#f6f0e4 9px 15px,#2f4f86 15px 24px,#f6f0e4 24px 30px)}.paper-airmail .env-pocket-shape{inset:var(--stripe);border-radius:2px}.paper-airmail .env-flap-shape{inset:var(--stripe) var(--stripe) 0;border-radius:2px 2px 0 0}@media (prefers-color-scheme:dark){.envelope.paper-airmail{--env-back:#3a342c;--env-front:#463f36;--env-flap:#403a31}.paper-airmail .env-back{background:repeating-linear-gradient(-45deg,#a8473a 0 9px,#2b2620 9px 15px,#4a6aa0 15px 24px,#2b2620 24px 30px)}}.intro-hint.is-soon{color:var(--seal);animation:none}.intro-hint.is-soon [lang=zh-CN]{font-size:.95rem;font-style:normal;display:block}.meta time [lang=zh-CN]{white-space:nowrap}.viewer-actions{gap:8px;margin-left:auto;margin-right:10px;display:flex}.viewer-action{height:44px;font-family:var(--sans);pointer-events:auto;background:#ffffff24;border-radius:22px;padding:0 16px;font-size:.92rem}.viewer-action[hidden]{display:none}.cropper{z-index:200;padding:calc(16px + env(safe-area-inset-top)) 16px calc(16px + env(safe-area-inset-bottom));color:#f2e8d8;font-family:var(--sans);touch-action:none;background:#0e0b09;flex-direction:column;gap:14px;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.cropper-stage{flex:1;place-items:center;min-height:0;display:grid;position:relative}.cropper-frame{visibility:hidden;position:relative;overflow:hidden}.cropper.is-ready .cropper-frame{visibility:visible}.cropper.is-ready .cropper-loading{display:none}.cropper-loading{text-align:center;opacity:.8;max-width:22rem;margin:0;position:absolute}.cropper-frame img{-webkit-user-select:none;user-select:none;width:100%;height:100%}.crop-box{cursor:move;touch-action:none;background:linear-gradient(90deg,#0000 calc(33.33% - .5px),#ffffff59 0 calc(33.33% + .5px),#0000 0 calc(66.66% - .5px),#ffffff59 0 calc(66.66% + .5px),#0000 0),linear-gradient(#0000 calc(33.33% - .5px),#ffffff59 0 calc(33.33% + .5px),#0000 0 calc(66.66% - .5px),#ffffff59 0 calc(66.66% + .5px),#0000 0);border:1.5px solid #fff;position:absolute;box-shadow:0 0 0 9999px #0009}.crop-handle{border:0 solid #fff;width:22px;height:22px;position:absolute}.crop-handle:before{content:"";position:absolute;top:-12px;bottom:-12px;left:-12px;right:-12px}.crop-handle[data-h=nw]{cursor:nwse-resize;border-width:4px 0 0 4px;top:-4px;left:-4px}.crop-handle[data-h=ne]{cursor:nesw-resize;border-width:4px 4px 0 0;top:-4px;right:-4px}.crop-handle[data-h=sw]{cursor:nesw-resize;border-width:0 0 4px 4px;bottom:-4px;left:-4px}.crop-handle[data-h=se]{cursor:nwse-resize;border-width:0 4px 4px 0;bottom:-4px;right:-4px}.cropper-ratios,.cropper-actions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.cropper button{min-height:44px;font-family:var(--sans);background:#ffffff1f;border-radius:22px;padding:0 16px;font-size:.95rem}.cropper [aria-pressed=true]{color:#1d1915;background:#f2e8d8}.cropper .is-primary{background:var(--seal);color:#fff}.cropper.is-saving button{pointer-events:none;opacity:.6}.print img[data-cropped]{aspect-ratio:auto!important}.envelope-new{border:2px dashed var(--ink-faint);background:color-mix(in srgb, var(--card) 60%, transparent);border-radius:6px;place-items:center;display:grid}.env-plus{color:var(--seal);font-size:18cqw;font-weight:300;line-height:1;position:static!important}.add-plus{width:44px;height:44px;color:var(--seal-ink);background:var(--seal);border-radius:50%;place-items:center;font-size:1.8rem;line-height:1;display:grid}.add-page{border:2px dashed var(--rule);border-radius:var(--radius);justify-content:center;align-items:center;gap:14px;width:100%;min-height:88px;margin-top:48px;font-size:1.15rem;font-style:italic;display:flex}.pages:empty+.add-page{margin-top:8px}.add-tile{aspect-ratio:4/5;text-align:center;color:var(--ink-soft);background:var(--paper-deep);border:2px dashed var(--rule);box-shadow:none;flex-direction:column;justify-content:center;align-items:center;gap:10px;font-style:italic;line-height:1.35;display:flex!important}.empty.is-add{border-width:2px;border-color:var(--seal);width:100%;display:block}.empty.is-add .empty-title,.empty.is-add .empty-text{display:block}.empty.is-add:active{transform:scale(.99)}.delete-link{min-height:44px;font-family:var(--sans);color:var(--seal);text-underline-offset:3px;margin:40px auto 0;padding:0 16px;font-size:.9rem;text-decoration:underline;display:block}.toast{left:50%;bottom:calc(20px + env(safe-area-inset-bottom));z-index:150;white-space:pre-line;max-width:calc(100vw - 32px);font-family:var(--sans);text-align:center;color:var(--paper);background:var(--ink);box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s, transform .25s var(--ease);border-radius:12px;padding:12px 18px;font-size:.95rem;position:fixed;transform:translate(-50%,20px)}.toast.is-shown{opacity:1;transform:translate(-50%)}.sheet{z-index:250;padding:16px 16px calc(16px + env(safe-area-inset-bottom));background:#140e0a73;justify-content:center;align-items:flex-end;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.sheet-card{background:var(--card);width:100%;max-width:30rem;box-shadow:var(--shadow);border-radius:14px;padding:24px 20px 18px}.sheet-title{margin:0 0 16px;font-size:1.4rem;font-weight:500}.sheet-field{margin-bottom:14px;display:block}.sheet-field>span{font-family:var(--sans);color:var(--ink-soft);margin-bottom:6px;font-size:.9rem;display:block}.sheet-field input{width:100%;min-height:52px;font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:0 14px;font-size:1.15rem}.sheet-error{min-height:1.2em;font-family:var(--sans);color:var(--seal);margin:0 0 6px;font-size:.9rem}.sheet-actions{justify-content:flex-end;gap:10px;display:flex}.sheet-actions button{min-height:50px;font-family:var(--sans);background:var(--paper-deep);border-radius:25px;padding:0 20px;font-size:1rem}.sheet-actions .is-primary{color:#fff;background:var(--seal)}.edit-text{min-height:44px;font-family:var(--sans);color:var(--seal);border:1px solid color-mix(in srgb, var(--seal) 40%, transparent);border-radius:22px;align-items:center;gap:8px;margin:10px 0 0 auto;padding:0 14px;font-size:.9rem;display:flex}.edit-text svg{width:18px;height:18px}.edit-text svg path{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linejoin:round}.edit-text.is-big{border:2px dashed var(--rule);border-radius:var(--radius);justify-content:center;width:100%;min-height:64px;margin:0 0 32px;font-size:1rem}.panel .edit-text:not(.is-big){margin-top:-24px;margin-bottom:32px}.sheet-card{max-height:calc(100dvh - 32px);overflow-y:auto}.sheet-field textarea{width:100%;min-height:12em;font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--rule);resize:vertical;border-radius:10px;padding:12px 14px;font-size:1.1rem;line-height:1.55}.page-note{margin:14px 4px 0;font-size:1.08rem;line-height:1.68}.page-note p{margin:0 0 .75em}.page-note p:last-child{margin-bottom:0}.page-item>.edit-text{margin-top:12px}.page-card.is-add{text-align:left;width:100%;display:block}.page-card.is-add .print-empty{border:2px dashed color-mix(in srgb, var(--seal) 55%, transparent)}.page-card.is-add .print-empty-text{text-align:center;line-height:1.45}.page-card.is-add:active .print{transform:scale(.985)}.meta-added [lang=zh-CN]{white-space:nowrap}.letter .letter-date{text-align:right;color:var(--ink-soft);margin:0 0 1.1em;font-size:.98rem;font-style:italic}.letter-date [lang=zh-CN]{color:var(--ink-faint);font-size:.88rem;display:block}.confetti{z-index:400;pointer-events:none;width:100vw;height:100vh;position:fixed;top:0;bottom:0;left:0;right:0}