.ic-page{--kc-mark:var(--color-cinnabar-dark);background:var(--kc-surface-page);color:var(--color-ink);font-family:var(--font-serif)}.ic-sheet{width:min(100%,1280px);margin-inline:auto;padding:20px 16px 72px}@media (min-width:920px){.ic-sheet{padding:40px 48px 96px;border-inline:1px solid var(--kc-hairline-soft)}}.ic-root{--kc-mark:var(--color-cinnabar-dark);width:100%}.ic-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.ic-hero h1{margin:0;font-size:2.05rem;font-weight:900;line-height:1.16;letter-spacing:var(--kc-track-fine);text-wrap:balance}:root:lang(zh) .ic-hero h1{font-family:var(--font-brand)}.ic-hero p{margin:.6rem 0 0;color:var(--color-ink-light);font-size:1rem;line-height:1.7}.ic-hero--compact h1{font-size:1.5rem}.ic-hero--compact p{display:none}.ic-intake{display:grid;gap:16px}.ic-intake-main{display:contents}.ic-field{display:grid;gap:6px}.ic-label{color:var(--color-ink-light);font-size:.86rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-textarea{width:100%;padding:4px 2px 8px;border:0;border-bottom:1px solid var(--kc-hairline-strong);border-radius:0;background:transparent;color:var(--color-ink);font:inherit;font-size:1rem;line-height:1.65;resize:vertical}.ic-textarea:focus{outline:none;border-bottom-color:var(--color-cinnabar)}.ic-textarea:focus-visible{outline:2px solid var(--color-mineral-indigo);outline-offset:2px}.ic-field-foot{display:flex;justify-content:space-between;gap:12px;color:var(--color-ink-light);font-size:.8rem;line-height:1.55}.ic-counter{flex:none;font-family:var(--font-figures);white-space:nowrap}.ic-error{margin:4px 0 0;color:var(--color-cinnabar-aaa);font-size:.88rem;line-height:1.6}.ic-tabs{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--kc-hairline-strong);background:var(--kc-surface-page)}.ic-tabs button{position:relative;min-height:44px;padding:0 8px;border:0;border-radius:0;background:transparent;color:var(--color-ink-light);font:inherit;font-size:.92rem;font-weight:700;letter-spacing:var(--kc-track-fine);cursor:pointer;-webkit-tap-highlight-color:transparent}.ic-tabs button+button{border-inline-start:1px solid var(--kc-hairline-strong)}.ic-tabs button[aria-selected=true]{background:var(--kc-surface-sunken);color:var(--color-ink)}.ic-tabs button[aria-selected=true]:after{content:"";position:absolute;inset:auto 0 0;height:2px;background:var(--kc-mark)}.ic-manual-option:active,.ic-tabs button:active:not(:disabled){background:var(--color-paper-dark)}.ic-tabs button:disabled{color:color-mix(in oklch,var(--color-ink-light) 55%,transparent);cursor:not-allowed}.ic-tabs button:focus-visible{outline:2px solid var(--color-mineral-indigo);outline-offset:-3px}.ic-stage{display:grid;justify-items:center;gap:6px}.ic-coins{display:flex;justify-content:center;gap:14px;perspective:760px;cursor:pointer;-webkit-tap-highlight-color:transparent}.ic-coins[data-tossing]{cursor:progress}.ic-coin-slot{position:relative;flex:none;width:92px;height:92px}@media (max-width:359px){.ic-coin-slot{width:80px;height:80px}}.ic-coin-shadow{position:absolute;inset:14% 12% 8%;border-radius:50%;background:color-mix(in srgb,var(--color-ink) 34%,transparent);filter:blur(6px);opacity:.42;transform:translate(3px,5px);will-change:transform,opacity}.ic-coin{transform:translateZ(0) rotate(var(--ic-rot,0deg)) rotateX(var(--ic-rx,0deg));transform-style:preserve-3d;will-change:transform}.ic-coin,.ic-coin-face{position:absolute;inset:0}.ic-coin-face{width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;user-select:none;-webkit-user-drag:none}.ic-coin-face--back{transform:rotateX(180deg)}.ic-stage-foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;width:100%}.ic-coin-read{grid-column:2;min-height:1.6em;margin:0;font-size:.9rem;letter-spacing:var(--kc-track-caption);text-align:center}.ic-coin-read,.ic-sound{color:var(--color-ink-light)}.ic-sound{grid-column:3;justify-self:end;min-width:44px;min-height:44px;margin-block:-10px;padding:0 2px;border:0;background:transparent;font:inherit;font-size:.8rem;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.ic-sound:focus-visible{outline:2px solid var(--color-mineral-indigo);outline-offset:2px}.ic-go-row{display:grid;gap:8px}.ic-go{position:relative;width:100%;min-height:52px;padding:0 16px;border:1px solid var(--color-cinnabar);border-radius:0;background:var(--color-cinnabar);color:var(--color-paper);font:inherit;font-size:1.05rem;font-weight:700;letter-spacing:var(--kc-track-label);cursor:pointer;transition:background-color .15s var(--kc-ease-out),border-color .15s var(--kc-ease-out)}.ic-go:hover:not(:disabled){border-color:var(--color-cinnabar-dark);background:var(--color-cinnabar-dark)}.ic-go:focus-visible{outline:2px solid var(--color-cinnabar-dark);outline-offset:3px}.ic-go:disabled{border-color:var(--color-paper-dark);background:var(--color-paper-dark);color:var(--color-ink-light);cursor:not-allowed}.ic-go[aria-disabled=true]{cursor:progress}.ic-secondary{width:100%;min-height:48px;padding:0 16px;border:1px solid var(--color-cinnabar);border-radius:0;background:transparent;color:var(--color-cinnabar-aaa);font:inherit;font-size:.98rem;font-weight:700;letter-spacing:var(--kc-track-caption);cursor:pointer;transition:background-color .15s var(--kc-ease-out)}.ic-secondary:hover:not(:disabled){background:var(--kc-surface-sunken)}.ic-secondary:active:not(:disabled){background:var(--color-paper-dark)}.ic-secondary:focus-visible{outline:2px solid var(--color-cinnabar-dark);outline-offset:3px}.ic-secondary:disabled{border-color:var(--color-paper-dark);color:var(--color-ink-light);cursor:not-allowed}.ic-steps-wrap{display:grid;gap:10px}.ic-progress{margin:0;color:var(--color-ink-light);font-size:.88rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-steps{display:flex;flex-direction:column-reverse;gap:8px;margin:0;padding:0;list-style:none}.ic-step{display:grid;grid-template-columns:2.75rem 64px minmax(0,1fr);align-items:center;gap:14px;min-height:30px}.ic-step-place{display:inline-flex;height:26px;align-items:center;justify-content:center;border:1px solid var(--kc-hairline-strong);color:var(--color-ink-light);font-family:var(--font-serif);font-size:.78rem;letter-spacing:var(--kc-track-caption)}.ic-step.is-done .ic-step-place{border-color:var(--color-ink-light);color:var(--color-ink)}.ic-step-line{display:flex;width:64px;height:8px;gap:8px}.ic-step:not(.is-done) .ic-step-line{height:0;border-top:1px dashed var(--kc-hairline-strong)}.ic-step-read{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.84rem;line-height:1.45}.ic-empty,.ic-step-read{color:var(--color-ink-light)}.ic-empty{margin:2px 0 0;font-size:.88rem;line-height:1.7}.ic-bar{display:block;flex:1;border-radius:1px;background:var(--color-ink)}.ic-step.is-changing .ic-bar{background:var(--kc-mark)}.ic-step.is-done .ic-bar{transform-origin:left;animation:ic-stroke .18s var(--kc-ease-out) both}.ic-badge{display:inline-flex;align-items:center;padding:1px 6px;border:1px solid var(--kc-mark);color:var(--kc-mark);font-size:.74rem;font-weight:700;letter-spacing:var(--kc-track-caption);line-height:1.4}.ic-manual{display:grid;gap:14px}.ic-manual-intro,.ic-manual-missing{margin:0;color:var(--color-ink-light);font-size:.9rem;line-height:1.7}.ic-manual-line{display:grid;gap:6px;margin:0;padding:0;border:0}.ic-manual-line legend{margin-bottom:6px;padding:0;font-size:.86rem;font-weight:700;letter-spacing:var(--kc-track-fine)}.ic-manual-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.ic-manual-option{position:relative;display:grid;gap:2px;min-height:48px;padding:7px 10px;border:1px solid var(--kc-hairline-strong);cursor:pointer}.ic-manual-option input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer}.ic-manual-option[data-checked=true]{border-color:var(--color-ink);background:var(--kc-surface-sunken)}.ic-manual-option:has(input:focus-visible){outline:2px solid var(--color-mineral-indigo);outline-offset:2px}.ic-manual-name{font-size:.92rem;font-weight:700}.ic-manual-hint{color:var(--color-ink-light);font-size:.78rem}@media (min-width:920px){.ic-intake{grid-template-columns:minmax(18rem,1fr) minmax(0,37.5rem);grid-template-areas:"main stage" "go steps";column-gap:3.5rem;row-gap:0;align-items:start}.ic-intake[data-mode=manual]{grid-template-areas:"main steps" "go steps"}.ic-intake-main{display:grid;grid-area:main;gap:18px}.ic-stage{grid-area:stage;align-self:end;padding-bottom:8px}.ic-coins{gap:24px}.ic-coin-slot{width:120px;height:120px}.ic-go-row{grid-area:go;padding-top:20px}.ic-steps-wrap{grid-area:steps;padding-top:20px}.ic-intake[data-mode=manual] .ic-steps-wrap{padding-top:0}.ic-step{grid-template-columns:3rem 76px minmax(0,1fr);min-height:34px}.ic-step-line{width:76px;height:9px}.ic-manual-options{grid-template-columns:repeat(4,minmax(0,1fr))}}.ic-fig{display:grid;justify-items:center;gap:5px}.ic-fig-line{position:relative;display:flex;width:46px;height:7px;gap:6px}.ic-fig-line.is-changing .ic-bar{background:var(--kc-mark)}.ic-fig-line.is-changing:after{content:"";position:absolute;top:50%;right:-13px;width:5px;height:5px;background:var(--kc-mark);transform:translateY(-50%)}.ic-fig--sm{gap:4px}.ic-fig--sm .ic-fig-line{width:34px;height:5px;gap:4px}.ic-fig--lg{gap:8px}.ic-fig--lg .ic-fig-line{width:72px;height:10px;gap:9px}@media (min-width:920px){.ic-fig--md .ic-fig-line{width:58px;height:8px}}.ic-readdesk{display:grid;gap:24px}.ic-flow,.ic-rail{display:contents}.ic-asked{display:grid;gap:4px;padding:12px 0;border-block:1px solid var(--kc-hairline)}.ic-asked-label{margin:0;color:var(--color-ink-light);font-size:.8rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-asked-text{margin:0;font-size:1rem;line-height:1.65;overflow-wrap:anywhere}.ic-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ic-cards>.ic-card:only-child{grid-column:1/-1}.ic-card{display:grid;justify-items:center;gap:8px;padding:14px 10px 12px;border:1px solid var(--kc-hairline);background:var(--kc-surface-raised);text-align:center}.ic-card-kicker{margin:0;color:var(--color-mineral-indigo);font-size:.76rem;font-weight:700;letter-spacing:var(--kc-track-label)}:root:lang(zh) .ic-card-kicker{letter-spacing:var(--kc-track-plaque)}.ic-card-name{margin:0;font-size:1.35rem;font-weight:900;line-height:1.2;letter-spacing:var(--kc-track-fine)}:root:lang(zh) .ic-card-name{font-family:var(--font-brand)}.ic-card-meta{margin:0;color:var(--color-ink-light);font-size:.8rem;line-height:1.5}.ic-save-error{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;margin:0;color:var(--color-cinnabar-aaa);font-size:.88rem;line-height:1.6}.ic-save-error button{min-height:44px;padding:0;border:0;background:transparent;color:var(--color-cinnabar-aaa);font:inherit;font-weight:700;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.ic-log-wrap{display:grid;gap:6px}.ic-log-title{margin:0;color:var(--color-ink-light);font-size:.8rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-log{display:grid;margin:0;padding:0;list-style:none;background:var(--kc-surface-sunken)}.ic-log li{display:grid;grid-template-columns:4rem minmax(0,1fr) auto;align-items:center;gap:10px;min-height:32px;padding:2px 12px;font-size:.86rem}.ic-log li+li{border-top:1px solid var(--kc-hairline-soft)}.ic-log-place{color:var(--color-ink-light)}.ic-log li.is-changing .ic-log-value{color:var(--kc-mark);font-weight:700}.ic-core{margin:0;color:var(--color-cinnabar-aaa);font-size:1.42rem;font-weight:700;line-height:1.55;letter-spacing:var(--kc-track-fine);text-wrap:pretty;scroll-margin-top:16px}.ic-core:focus{outline:none}.ic-core:focus-visible{outline:2px solid var(--color-mineral-indigo);outline-offset:4px}.ic-callout{display:grid;gap:10px;padding:16px 18px;border-inline-start:3px solid var(--kc-mark);background:var(--kc-surface-raised)}.ic-callout-kicker{margin:0;color:var(--color-mineral-indigo);font-size:.8rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-callout-kicker span{color:var(--color-ink)}.ic-rule,.ic-rule-source{margin:0;color:var(--color-ink-light);font-size:.86rem;line-height:1.65}.ic-rule-source{padding-top:8px;border-top:1px solid var(--kc-hairline-soft);font-size:.8rem}.ic-text{display:grid;gap:8px}.ic-text-plain{margin:0;font-size:1.02rem;line-height:1.8}.ic-text-legge,.ic-text-original{display:grid;gap:2px;margin:0;color:var(--color-ink-light);font-size:.94rem;line-height:1.8}.ic-text-legge{font-style:italic}.ic-text-name{color:var(--color-ink-light);font-size:.76rem;font-style:normal;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-also{display:grid;gap:8px;padding-top:10px;border-top:1px solid var(--kc-hairline-soft)}.ic-modules{display:grid;gap:18px}.ic-module h3{margin:0 0 4px;font-size:1rem;font-weight:700;letter-spacing:var(--kc-track-fine)}.ic-module p{margin:0;color:var(--color-ink);font-size:.98rem;line-height:1.75}.ic-switch-row{display:grid;gap:14px}.ic-switch{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:0;border:0;background:transparent;color:var(--color-ink);font:inherit;font-size:.95rem;font-weight:700;text-align:start;cursor:pointer}.ic-switch-track{position:relative;flex:none;width:40px;height:22px;border:1px solid var(--color-ink-light);background:var(--kc-surface-sunken)}.ic-switch-thumb{position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--color-ink-light);transition:transform .15s var(--kc-ease-out)}.ic-switch[aria-checked=true] .ic-switch-track{border-color:var(--kc-mark)}.ic-switch[aria-checked=true] .ic-switch-thumb{background:var(--kc-mark);transform:translateX(18px)}.ic-switch:focus-visible{outline:2px solid var(--color-mineral-indigo);outline-offset:3px}.ic-all-lines{display:grid;gap:16px}.ic-all-line{display:grid;gap:6px;padding-top:12px;border-top:1px solid var(--kc-hairline-soft)}.ic-deep{border-top:1px solid var(--kc-hairline)}.ic-deep-title{margin:14px 0 4px;color:var(--color-ink-light);font-size:.8rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-deep details{border-bottom:1px solid var(--kc-hairline)}.ic-deep summary,.ic-faq summary{display:flex;min-height:52px;align-items:center;justify-content:space-between;gap:16px;color:var(--color-ink);font-size:1rem;font-weight:700;letter-spacing:var(--kc-track-fine);list-style:none;cursor:pointer}.ic-deep summary::-webkit-details-marker,.ic-faq summary::-webkit-details-marker{display:none}.ic-deep summary:after,.ic-faq summary:after{content:"+";flex:none;color:var(--kc-mark);font-size:1.1rem;font-weight:700}.ic-deep details[open] summary:after,.ic-faq details[open] summary:after{content:"\2212"}.ic-deep summary:focus-visible,.ic-faq summary:focus-visible{outline:2px solid var(--color-mineral-indigo);outline-offset:2px}.ic-full{display:grid;gap:14px;padding:2px 0 18px}.ic-full-row{display:grid;gap:4px}.ic-full-row p{margin:0;font-size:.96rem;line-height:1.8}.ic-full-row .ic-full-name{color:var(--color-ink-light);font-size:.78rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-full-plain{margin:0;color:var(--color-ink-light);font-size:.92rem;line-height:1.75}.ic-full-link{margin:0}.ic-full-link a,.ic-next a{color:var(--color-cinnabar-aaa);text-decoration:underline;text-underline-offset:4px}.ic-nuclear{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:16px}.ic-nuclear p{margin:0;font-size:.96rem;line-height:1.75}.ic-paywall{display:grid;gap:12px;padding:20px 18px;border:1px solid var(--kc-hairline-strong);background:var(--kc-surface-raised)}.ic-paywall-tag{margin:0;color:var(--color-mineral-indigo);font-size:.76rem;font-weight:700;letter-spacing:var(--kc-track-label)}.ic-paywall-title{margin:0;font-size:1.25rem;font-weight:900;line-height:1.4;letter-spacing:var(--kc-track-fine)}.ic-paywall-bridge,.ic-paywall-note,.ic-paywall-trust{margin:0;font-size:.94rem;line-height:1.75}.ic-paywall-note,.ic-paywall-trust{color:var(--color-ink-light);font-size:.86rem}.ic-paywall-list-label{margin:4px 0 0;font-size:.86rem;font-weight:700;letter-spacing:var(--kc-track-caption)}.ic-paywall ul{display:grid;gap:6px;margin:0;padding-left:1.1rem;font-size:.94rem;line-height:1.7}.ic-consent{display:flex;align-items:flex-start;gap:10px;min-height:44px;font-size:.86rem;line-height:1.6;cursor:pointer}.ic-consent input{flex:none;width:20px;height:20px;margin:2px 0 0;accent-color:var(--color-cinnabar)}.ic-consent a{text-decoration:underline;text-underline-offset:3px}.ic-consent a,.ic-pay-message{color:var(--color-cinnabar-aaa)}.ic-pay-message{margin:0;font-size:.9rem;line-height:1.6}.ic-paid{display:grid;gap:20px;padding-top:20px;border-top:1px solid var(--kc-hairline-strong)}.ic-paid-section h3{margin:0 0 6px;font-size:1.05rem;font-weight:700;letter-spacing:var(--kc-track-fine)}.ic-paid-section p{margin:0 0 8px;font-size:1rem;line-height:1.85}.ic-paid-closing{margin:0;padding-top:12px;border-top:1px solid var(--kc-hairline-soft);color:var(--color-ink-light);font-size:.86rem;line-height:1.7}.ic-next{padding-top:16px;border-top:1px solid var(--kc-hairline)}.ic-next-kicker{margin:0 0 8px;color:var(--color-mineral-indigo);font-size:.78rem;font-weight:700;letter-spacing:var(--kc-track-label)}.ic-next ul{display:grid;gap:4px;margin:0;padding:0;list-style:none}.ic-next li{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 10px;min-height:44px;padding:8px 0;font-size:.96rem;line-height:1.6}.ic-next li span{color:var(--color-ink-light);font-size:.88rem}.ic-recast{display:grid;gap:6px}.ic-loading,.ic-recast p{margin:0;color:var(--color-ink-light);font-size:.86rem;line-height:1.6}@media (min-width:920px){.ic-readdesk{grid-template-columns:minmax(18rem,1fr) minmax(0,37.5rem);column-gap:3.5rem;align-items:start}.ic-rail{position:sticky;top:1.5rem;display:grid;gap:18px;max-height:calc(100vh - 3rem);overflow:auto}.ic-flow{display:grid;gap:28px}.ic-core{font-size:1.6rem}}@keyframes ic-stroke{0%{transform:scaleX(0)}}@keyframes ic-pulse{0%{opacity:.55;transform:scale(1)}45%{opacity:1;transform:scale(1.06)}to{opacity:1;transform:scale(1)}}@keyframes ic-rise{0%{opacity:0;transform:translateY(8px)}}.ic-fig--stroke .ic-bar{transform-origin:left;animation:ic-stroke .18s var(--kc-ease-out) var(--ic-d,80ms) both}.ic-fig--stroke .ic-fig-line.is-changing{animation:ic-pulse .26s var(--kc-ease-out) calc(var(--ic-d, 80ms) + .18s) both}.ic-readdesk .ic-card--relating{animation:ic-rise .2s 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