@property --plate-h{syntax: "<length>"; inherits: true; initial-value: 46vh;}:root{--paper: #f3eee3;--paper-2: #ebe3d2;--paper-3: #e2d8c3;--ink: #191714;--ink-2: #3d382f;--graphite: #6c6559;--faint: #97907f;--rule: rgba(25, 23, 20, .17);--rule-strong: rgba(25, 23, 20, .34);--vermilion: #b4321f;--vermilion-soft: rgba(180, 50, 31, .14);--plate-ink: #f0eade;--serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", "SimSun", Georgia, "Times New Roman", serif;--sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "Cascadia Mono", ui-monospace, "SFMono-Regular", Consolas, "Noto Sans Mono CJK SC", "Microsoft YaHei", monospace;--measure: 40rem;--plate-h: 46vh;--ease-out: cubic-bezier(.16, .72, .28, 1)}*{box-sizing:border-box}html{background:var(--paper);-webkit-text-size-adjust:100%}body{margin:0;min-width:320px;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:16.5px;line-height:1.95;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{color:var(--paper);background:var(--ink)}a{color:inherit}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--vermilion);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip{position:fixed;top:10px;left:10px;z-index:40;padding:10px 16px;color:var(--paper);background:var(--ink);font-family:var(--mono);font-size:12px;text-decoration:none;transform:translateY(-160%);transition:transform .18s var(--ease-out)}.skip:focus{transform:translateY(0)}.shell{transition:--plate-h .9s var(--ease-out)}.shell[data-rig=dark]{--plate-h: 62vh}.shell[data-rig=choose]{--plate-h: 44vh}.deck{padding-bottom:calc(var(--plate-h) + 7vh)}.chapter{position:relative;display:flex;align-items:center;min-height:88vh;padding:12vh 0}.chapter+.chapter{border-top:1px solid var(--rule)}.measure{width:min(100% - 3rem,var(--measure));margin-inline:auto}.measure--wide{width:min(100% - 3rem,52rem)}.index{margin:0 0 1.6rem;color:var(--vermilion);font-family:var(--mono);font-size:11px;letter-spacing:.22em}.kicker{margin:0 0 1.2rem;color:var(--graphite);font-family:var(--mono);font-size:11.5px;letter-spacing:.18em}.display{margin:0;font-family:var(--serif);font-size:clamp(3.1rem,12vw,6.4rem);font-weight:400;line-height:.96;letter-spacing:.02em}.latin{display:block;margin-top:1.1rem;color:var(--graphite);font-family:var(--mono);font-size:12px;letter-spacing:.42em}.lede{max-width:30rem;margin:2.6rem 0 0;font-family:var(--serif);font-size:clamp(1.32rem,3.4vw,1.72rem);line-height:1.72;letter-spacing:.01em}.prose{max-width:34rem;margin:2.2rem 0 0;color:var(--ink-2)}.prose p{margin:0 0 1.5em}.marginal{margin:2.4rem 0 0;padding-left:1.1rem;border-left:1px solid var(--vermilion);color:var(--graphite);font-family:var(--mono);font-size:12.5px;line-height:1.9;letter-spacing:.02em}.callout{margin:2.6rem 0 0;padding:1.15rem 1.3rem;border:1px solid var(--rule-strong);background:#fffdf78c;font-size:15px;line-height:1.85}.callout strong{display:block;margin-bottom:.35rem;color:var(--vermilion);font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.2em}.key{margin:2.6rem 0 0;padding-top:1.4rem;border-top:1px solid var(--rule)}.key__title{margin:0 0 .35rem;color:var(--vermilion);font-family:var(--mono);font-size:11px;letter-spacing:.2em}.key__note{margin:0 0 1.1rem;color:var(--graphite);font-size:14px}.key__rows{display:grid;gap:.55rem;margin:0}.key__row{display:grid;grid-template-columns:5.6rem minmax(0,1fr);gap:0 1rem;align-items:baseline}.key__row dt{color:var(--ink);font-family:var(--mono);font-size:12px;letter-spacing:.04em}.key__row dd{margin:0;color:var(--ink-2);font-size:15px;line-height:1.75}.colophon{margin:3rem 0 0;padding-top:1.4rem;border-top:1px solid var(--rule);color:var(--graphite);font-family:var(--mono);font-size:12px;line-height:2.1;letter-spacing:.03em}.ledger{margin:0;padding:0;list-style:none;border-top:1px solid var(--rule)}.ledger__item{display:grid;grid-template-columns:3.4rem minmax(0,1fr);gap:0 1.4rem;padding:2.3rem 0;border-bottom:1px solid var(--rule);transition:opacity .42s var(--ease-out)}.ledger__item[data-read=false],.ledger__item[data-read=false] .ledger__title{color:var(--faint)}.ledger__num{color:var(--faint);font-family:var(--mono);font-size:11px;letter-spacing:.2em}.ledger__item[data-read=true] .ledger__num{color:var(--vermilion)}.ledger__title{margin:0 0 .9rem;font-family:var(--serif);font-size:1.42rem;font-weight:400;line-height:1.5;letter-spacing:.02em}.ledger__text{margin:0;color:var(--ink-2);font-size:16px;line-height:2.05}.ledger__item[data-read=false] .ledger__text{color:var(--faint)}.ledger__note{margin:.9rem 0 0;color:var(--faint);font-family:var(--mono);font-size:11.5px;line-height:1.9}.markable{position:relative;color:inherit;background-image:linear-gradient(to top,var(--vermilion-soft) 0 42%,transparent 42%);cursor:pointer;-webkit-tap-highlight-color:transparent}.markable:hover{background-image:linear-gradient(to top,rgba(180,50,31,.26) 0 42%,transparent 42%)}.markable[data-marked=true]{background-image:linear-gradient(to top,rgba(180,50,31,.4) 0 42%,transparent 42%)}.markable__phi{display:inline-flex;align-items:center;justify-content:center;min-width:1.55em;height:1.55em;margin-left:.35em;padding:0 .35em;border:1px solid var(--vermilion);color:var(--vermilion);font-family:var(--mono);font-size:11px;line-height:1;vertical-align:.08em}.markable[data-marked=true] .markable__phi{color:var(--paper);background:var(--vermilion)}.markable__ring,.markable:before{content:"";position:absolute;left:-.92em;top:.18em;width:.64em;height:.64em;border:1px solid var(--vermilion);border-radius:50%;opacity:0;transform:scale(.5);transition:transform 1.2s var(--ease-out),opacity .18s linear}.markable[data-arming=true]:before{opacity:1;transform:scale(1)}.markable[data-withdrawn=true]{background-image:none;color:var(--faint);text-decoration:line-through;text-decoration-color:var(--vermilion);cursor:default}.choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:2.2rem 0 0;padding:1px;border:1px solid var(--rule);background:var(--rule);list-style:none}.choices>li{display:flex}.choice{display:block;flex:1 1 auto;width:100%;padding:1.15rem 1.15rem 1.25rem;border:0;background:var(--paper);text-align:left;cursor:pointer;transition:background .2s var(--ease-out),color .2s var(--ease-out)}.choice:hover{background:#fbf8f1}.choice[aria-pressed=true]{color:var(--paper);background:var(--ink)}.choice__glyph{display:inline-block;margin-right:.7em;color:var(--vermilion);font-family:var(--mono);font-size:12px}.choice[aria-pressed=true] .choice__glyph{color:#e8877a}.choice__title{font-family:var(--serif);font-size:1.16rem;line-height:1.6}.choice__text{display:block;margin-top:.45rem;color:var(--graphite);font-size:13.5px;line-height:1.8}.choice[aria-pressed=true] .choice__text{color:#f0eadec7}.choice__consequence{display:block;margin-top:.7rem;padding-top:.7rem;border-top:1px dashed var(--rule);color:var(--faint);font-family:var(--mono);font-size:11.5px;line-height:1.9}.choice[aria-pressed=true] .choice__consequence{color:#f0eade99;border-top-color:#f0eade3d}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(8.5rem,1fr));gap:1px;margin:2.6rem 0 0;padding:1px;border:1px solid var(--rule);background:var(--rule)}.stat{padding:.95rem 1.05rem;background:var(--paper)}.stat__label{display:block;color:var(--faint);font-family:var(--mono);font-size:10.5px;letter-spacing:.16em}.stat__value{display:block;margin-top:.35rem;font-family:var(--mono);font-size:1.16rem;letter-spacing:-.01em}.withdraw-stamp{display:inline-block;margin:1.6rem 0 0;padding:.35rem .7rem;border:1px solid var(--vermilion);color:var(--vermilion);font-family:var(--mono);font-size:11px;letter-spacing:.16em}.ending-line{margin:2.4rem 0 0;padding:1.2rem 0 1.2rem 1.4rem;border-left:2px solid var(--vermilion);font-family:var(--serif);font-size:1.28rem;line-height:1.9}.plate{position:fixed;inset:auto 0 0;z-index:20;height:var(--plate-h);pointer-events:none;transition:height .9s var(--ease-out);contain:layout paint}.plate:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--rule-strong)}.plate:after{content:"";position:absolute;top:-26px;left:0;right:0;height:26px;background:linear-gradient(to top,#1917141c,#19171400);pointer-events:none}.plate__canvas{position:absolute;inset:0;display:block;width:100%;height:100%}.plate__legend{position:absolute;top:0;left:0;display:flex;align-items:baseline;gap:1.1rem;padding:.9rem clamp(1rem,3vw,2rem);color:var(--graphite);font-family:var(--mono);font-size:11px;letter-spacing:.2em}.plate__legend b{color:var(--vermilion);font-weight:400}.plate__silence{position:absolute;inset:0;display:grid;place-items:center;color:var(--plate-ink);font-family:var(--serif);font-size:clamp(1.6rem,5vw,2.6rem);letter-spacing:.3em;opacity:0;transition:opacity .62s var(--ease-out)}.plate__silence[data-on=true]{opacity:1}.plate__stack{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;pointer-events:none}.rail{position:relative;flex:none;height:3.4rem;margin-bottom:.15rem;pointer-events:auto;touch-action:none}.rail__line{position:absolute;top:50%;left:0;right:0;height:1px;background:var(--rule-strong)}.rail__zero{position:absolute;top:-.5rem;bottom:-.5rem;width:1px;background:var(--rule)}.rail__slot{position:absolute;top:50%;display:flex;align-items:center;gap:.45rem;padding:0;border:0;background:none;transform:translate(-50%,-50%);cursor:grab;touch-action:none}.rail__slot[data-role=third],.rail__slot[data-role=rule]{cursor:default;pointer-events:none}.rail__stem{width:1px;height:1.5rem;background:var(--ink)}.rail__dot{width:.5rem;height:.5rem;border:1px solid var(--ink);background:var(--paper);transform:rotate(45deg)}.rail__slot:active{cursor:grabbing}.rail__slot[data-role=slit-a] .rail__dot,.rail__slot[data-role=slit-b] .rail__dot{border-color:var(--vermilion);background:var(--vermilion)}.rail__slot[data-role=slit-b]{z-index:2}.rail__slot[data-role=third] .rail__stem{background:var(--vermilion)}.rail__slot[data-role=mark] .rail__dot{border-radius:50%;transform:none;border-color:var(--vermilion)}.rail__slot[data-role=rule] .rail__dot{background:var(--ink)}.rail__label{position:absolute;top:-1.2rem;left:50%;color:var(--faint);font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;transform:translate(-50%);white-space:nowrap}.rail__handle-hint{position:absolute;top:1.5rem;left:50%;color:var(--vermilion);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;transform:translate(-50%);white-space:nowrap;pointer-events:none}.bench{position:relative;flex:none;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:.6rem 1.6rem;padding:.7rem clamp(1rem,3vw,2rem) .75rem;border-top:1px solid var(--rule);pointer-events:auto}.bench__readings{display:flex;flex-wrap:wrap;gap:.35rem 1.5rem;margin:0}.reading{min-width:4.6rem}.reading__label{display:block;color:var(--graphite);font-family:var(--mono);font-size:9.5px;letter-spacing:.16em}.reading__value{display:block;margin-top:.1rem;font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums}.reading__value[data-alert=true]{color:var(--vermilion)}.bench__actions{display:flex;flex-wrap:wrap;gap:.5rem}.instrument-button{padding:.42rem .85rem;border:1px solid var(--rule-strong);background:transparent;font-family:var(--mono);font-size:11px;letter-spacing:.12em;cursor:pointer;transition:background .16s var(--ease-out),color .16s var(--ease-out)}.instrument-button:hover{background:var(--ink);color:var(--paper)}.instrument-button[data-primary=true]{border-color:var(--vermilion);color:var(--vermilion)}.instrument-button[data-primary=true]:hover{background:var(--vermilion);color:var(--paper)}.instrument-button[hidden]{display:none}.slab{position:absolute;inset:0;display:grid;place-items:center;padding:0 1.5rem;pointer-events:none;opacity:0;transition:opacity .9s var(--ease-out)}.slab[data-on=true]{opacity:1}.slab__inner{padding:.9rem 1.3rem;background:var(--paper);text-align:center}.slab__title{margin:0;font-family:var(--serif);font-size:clamp(1.1rem,3.2vw,1.5rem);line-height:1.5}.slab__credit{display:block;margin-top:.5rem;color:var(--graphite);font-family:var(--mono);font-size:10.5px;letter-spacing:.16em}.plate[data-dark=true] .plate__legend,.plate[data-dark=true] .reading__value,.plate[data-dark=true] .rail__label{color:#f0eaded1}.plate[data-dark=true] .reading__label,.plate[data-dark=true] .rail__zero{color:#f0eade73;background:#f0eade38}.plate[data-dark=true] .reading__value[data-alert=true]{color:#e8877a}.plate[data-dark=true] .bench{border-top-color:#f0eade47}.plate[data-dark=true] .rail__line{background:#f0eade57}.plate[data-dark=true] .rail__stem{background:var(--plate-ink)}.plate[data-dark=true] .rail__dot{border-color:var(--plate-ink);background:transparent}.plate[data-dark=true] .rail__slot[data-role=slit-a] .rail__dot,.plate[data-dark=true] .rail__slot[data-role=slit-b] .rail__dot,.plate[data-dark=true] .rail__slot[data-role=mark] .rail__dot{border-color:#e8877a;background:#e8877a}.plate[data-dark=true] .instrument-button{border-color:#f0eade6b;color:var(--plate-ink)}.plate[data-dark=true] .instrument-button:hover{background:var(--plate-ink);color:var(--ink)}.plate[data-dark=true] .instrument-button[data-primary=true]{border-color:#e8877a;color:#e8877a}.plate[data-dark=true] .instrument-button[data-primary=true]:hover{background:#e8877a;color:var(--ink)}.plate__fallback{position:absolute;inset:0;display:none;place-content:center;gap:.6rem;padding:2rem;text-align:center}.plate[data-fallback=true] .plate__fallback{display:grid}.plate[data-fallback=true] .plate__canvas{display:none}.fallback__fringes{height:42%;min-height:90px;background:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 13px);opacity:.82}.fallback__note{max-width:30rem;margin:0 auto;color:var(--graphite);font-family:var(--mono);font-size:11.5px;line-height:1.9}@media (max-width: 720px){body{font-size:16px}:root{--plate-h: 44vh}.shell[data-rig=dark]{--plate-h: 54vh}.shell[data-rig=choose]{--plate-h: 40vh}.choices{grid-template-columns:1fr}.measure,.measure--wide{width:calc(100% - 2.4rem)}.chapter{min-height:78vh;padding:9vh 0}.ledger__item{grid-template-columns:2.6rem minmax(0,1fr);gap:0 .9rem}.rail{height:3rem}.reading--optional{display:none}.rail__handle-hint{font-size:9.5px}.bench{gap:.4rem;padding:.55rem clamp(.9rem,3vw,1.2rem) .6rem}.bench__readings{gap:.25rem .95rem}.reading{min-width:3.7rem}.reading__value{font-size:12px}.instrument-button{padding:.36rem .7rem;font-size:10.5px}}@media (max-height: 620px) and (min-width: 721px){:root{--plate-h: 52vh}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.shell,.plate{transition:none}.ledger__item{opacity:1!important}}