@font-face{font-family:Instrument Sans Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/assets/instrument-sans-latin-ext-wght-normal-B5bTHO_g.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Instrument Sans Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/assets/instrument-sans-latin-wght-normal-BbzFLZTg.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--paper: oklch(98% .006 95);--paper-deep: oklch(95.5% .008 95);--surface: oklch(99.5% .003 95);--surface-muted: oklch(96.5% .006 95);--ink: oklch(23% .012 95);--ink-soft: oklch(49% .012 95);--blue: var(--ink);--blue-deep: var(--ink);--coral: oklch(66% .09 156);--coral-text: oklch(46% .085 156);--gold: var(--surface-muted);--green: var(--coral);--line: oklch(89% .008 95);--line-strong: oklch(81% .01 95);--shadow: 0 1.25rem 3.5rem oklch(23% .012 95 / .08);--font-display: "Instrument Sans Variable", "Avenir Next", sans-serif;--font-body: "Instrument Sans Variable", "Avenir Next", sans-serif;--font-cjk: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--space-xs: .25rem;--space-sm: .75rem;--space-md: 1.5rem;--space-lg: 3rem;--space-xl: clamp(4rem, 8vw, 7rem);--content: min(100% - clamp(1.5rem, 5vw, 4rem), 72rem)}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);scroll-behavior:smooth}body{margin:0;min-width:20rem;min-height:100dvh;background:var(--paper);font-family:var(--font-body);font-size:1rem;line-height:1.5;font-kerning:normal;-webkit-font-smoothing:antialiased}html[lang=zh-CN] body{font-family:var(--font-body),var(--font-cjk);line-break:strict}html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3,html[lang=zh-CN] .wordmark{font-family:var(--font-cjk)}a{color:inherit;text-decoration-thickness:.08em;text-underline-offset:.18em}a:focus-visible,button:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--coral-text);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:10;top:var(--space-sm);left:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--ink);color:var(--paper);transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;z-index:5;top:0;border-bottom:1px solid var(--line);background:color-mix(in oklch,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(1rem);backdrop-filter:blur(1rem)}.site-header__inner,.site-footer{width:var(--content);margin-inline:auto}.site-header__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-sm) var(--space-md);min-height:4.25rem;padding-block:.55rem}.wordmark{display:inline-flex;align-items:center;gap:.6rem;font-size:1.08rem;font-weight:680;letter-spacing:-.025em;text-decoration:none}.wordmark__mark{display:grid;width:2.1rem;aspect-ratio:1;place-items:center;border-radius:.68rem;background:var(--ink);color:var(--paper);font-size:.85rem;font-weight:720}.site-header nav{display:flex;align-items:center;justify-content:flex-end;width:100%;gap:.2rem;border-top:1px solid var(--line)}.site-header nav a{min-height:2.5rem;display:inline-flex;align-items:center;padding-inline:.75rem;border-radius:.65rem;color:var(--ink-soft);font-size:.88rem;font-weight:560;white-space:nowrap;text-decoration:none;transition:color .18s ease,background-color .18s ease}.site-header nav a[aria-current=page]{color:var(--ink);background:var(--surface-muted)}.site-header nav .language-switcher{margin-left:.35rem;border:1px solid var(--line);color:var(--ink)}.hero{width:min(100% - 2rem,52rem);margin-inline:auto;padding:clamp(4.5rem,11vh,8rem) 0 clamp(4rem,9vh,6.5rem);text-align:center}.hero__kicker,.eyebrow{margin:0 0 var(--space-sm);color:var(--ink-soft);font-size:.78rem;font-weight:620;letter-spacing:.035em}.hero__kicker span{margin-right:.45rem;color:var(--coral-text);font-size:.6rem}.hero h1{max-width:18ch;margin:0 auto;font-size:clamp(2.5rem,7vw,4.6rem);font-weight:620;letter-spacing:-.055em;line-height:1.04;text-wrap:balance}.editorial-page h1,.explanation__intro h1{max-width:16ch;margin:0;font-family:var(--font-display);font-size:clamp(3rem,7vw,5.75rem);font-weight:620;letter-spacing:-.055em;line-height:.96}.explanation__intro h1{overflow-wrap:break-word}.hero h1 em{color:var(--coral-text);font-style:normal;font-weight:inherit}.hero h1>span{white-space:nowrap}.hero>p{max-width:36rem;margin:1.25rem auto 0;color:var(--ink-soft);font-size:clamp(1rem,2vw,1.16rem);line-height:1.65;text-wrap:balance}.hero__jump,.text-link{display:inline-flex;align-items:center;min-height:2.5rem;gap:.5rem;color:var(--ink-soft);font-size:.88rem;font-weight:570;text-decoration:none}.generator{width:100%;margin-top:2rem}.generator form{display:grid;gap:.9rem}.generator__composer{display:grid;gap:.65rem;padding:.85rem .95rem .9rem;border:1px solid var(--line-strong);border-radius:1.75rem;background:var(--surface);box-shadow:var(--shadow);text-align:left;transition:border-color .18s ease,box-shadow .18s ease}.generator__composer:focus-within{border-color:color-mix(in oklch,var(--ink) 45%,var(--line));box-shadow:0 0 0 3px color-mix(in oklch,var(--coral) 20%,transparent),var(--shadow)}.generator textarea{width:100%;min-height:5rem;padding:.35rem .4rem;resize:none;border:0;border-radius:0;background:transparent;color:var(--ink);font:inherit;font-size:1.06rem;line-height:1.5;outline:0}.generator textarea::placeholder{color:color-mix(in oklch,var(--ink-soft),transparent 22%)}.generator textarea:disabled{cursor:not-allowed;opacity:.65}.generator__meta{display:flex;justify-content:space-between;gap:1rem;padding-inline:.4rem;color:var(--ink-soft);font-size:.73rem;font-weight:520}.generator__meta .is-over-limit{color:#9a0005;color:oklch(43% .19 28)}.generator__examples{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.generator__examples button{min-height:2.35rem;padding:.45rem .8rem;border:1px solid var(--line);border-radius:.8rem;background:var(--surface);color:var(--ink-soft);font:inherit;font-size:.78rem;font-weight:520;cursor:pointer;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease}.generator__examples button:disabled{cursor:not-allowed;opacity:.55}.generator__controls{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:.75rem}.generator__turnstile{min-width:min(100%,18.75rem);min-height:4.05rem}.generator__submit{display:inline-flex;min-height:2.75rem;align-items:center;gap:.65rem;justify-content:center;padding:.35rem .4rem .35rem 1rem;border:0;border-radius:999px;background:var(--ink);color:var(--paper);font:inherit;font-size:.86rem;font-weight:620;cursor:pointer;transition:background-color .18s ease,transform .18s ease,opacity .18s ease}.generator__submit-icon{display:grid;width:2rem;aspect-ratio:1;place-items:center;border-radius:50%;background:color-mix(in oklch,var(--paper) 14%,transparent);font-size:1rem;line-height:1}.generator__submit:disabled{cursor:not-allowed;background:var(--line);color:var(--ink-soft)}.generator__privacy,.generator__unavailable,.generator__error{max-width:68ch;margin:0 auto;font-size:.74rem;line-height:1.5}.generator__privacy,.generator__unavailable{color:var(--ink-soft)}.generator__error{width:100%;padding:.75rem 1rem;border-radius:.85rem;background:#ffe8e6;color:#7e302d;font-weight:600;text-align:left}.topic-index,.manifesto,.editorial-page,.explanation,.not-found{width:var(--content);margin-inline:auto}.topic-index{padding-block:var(--space-xl);border-top:1px solid var(--line)}.section-heading{display:grid;gap:var(--space-sm);margin-bottom:2rem}.section-heading h2,.manifesto h2,.truth-note h2,.quick-check h2{margin:0;font-family:var(--font-display);font-size:clamp(2rem,4.5vw,3.4rem);font-weight:610;letter-spacing:-.045em;line-height:1.02;text-wrap:balance}.section-heading>p:last-child{max-width:34rem;margin:0;color:var(--ink-soft)}.topic-list{display:grid;gap:.75rem}.topic-row{display:grid;grid-template-columns:2rem minmax(0,1fr) 1.5rem;gap:.75rem;align-items:start;padding:1.15rem;border:1px solid var(--line);border-radius:1.1rem;background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.topic-row__number{padding-top:.25rem;color:var(--ink-soft);font-size:.75rem;font-variant-numeric:tabular-nums;font-weight:600}.topic-row h2{margin:0;font-family:var(--font-display);font-size:clamp(1.08rem,2vw,1.3rem);font-weight:610;letter-spacing:-.025em;line-height:1.25}.topic-row h2 a{text-decoration:none}.topic-row__copy>p:last-child{max-width:45rem;margin:.45rem 0 0;color:var(--ink-soft);font-size:.88rem;line-height:1.5}.topic-row__arrow{color:var(--ink-soft);font-size:1rem}.empty-shelf{max-width:38rem;padding:var(--space-lg);border:2px dashed var(--line);background:var(--paper-deep)}.empty-shelf>span{color:var(--coral);font-size:2rem}.empty-shelf h3{margin:var(--space-sm) 0;font-family:var(--font-display);font-size:1.8rem}.empty-shelf p{margin:0;color:var(--ink-soft)}.manifesto{display:grid;gap:.5rem;padding-block:clamp(3.5rem,7vw,5.5rem);border-top:1px solid var(--line)}.manifesto h2{max-width:24ch;color:var(--ink-soft);font-size:clamp(1.6rem,3vw,2.5rem);font-weight:500;line-height:1.15}.editorial-page,.not-found{min-height:65vh;padding-block:var(--space-xl)}.editorial-page h1,.not-found h1{max-width:16ch;font-size:clamp(3rem,8vw,6.5rem)}.editorial-page__body{max-width:42rem;margin-top:var(--space-lg);margin-left:auto;font-size:1.1rem}.editorial-page__body .lead{color:var(--blue-deep);font-family:var(--font-display);font-size:1.7rem;line-height:1.2}.method-steps{display:grid;gap:0;max-width:52rem;margin:var(--space-xl) 0 0 auto;padding:0;list-style:none;border-top:2px solid var(--ink)}.method-steps li{display:grid;grid-template-columns:3rem 1fr;gap:var(--space-md);padding-block:var(--space-md);border-bottom:1px solid var(--line)}.method-steps li>span{color:var(--coral-text);font-weight:800}.method-steps h2,.method-steps p{margin:0}.method-steps h2{font-family:var(--font-display);font-size:1.8rem}.method-steps p{margin-top:.35rem;color:var(--ink-soft)}.explanation{padding-block:var(--space-xl)}.explanation__intro{max-width:64rem}.explanation__hook{max-width:28ch;margin:var(--space-lg) 0 0;color:var(--blue-deep);font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.15}.explanation__analogy{max-width:42rem;margin:var(--space-md) 0 0 auto;color:var(--ink-soft);font-size:1.1rem}.generated-explanation__badge{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:var(--space-lg);padding:.45rem .7rem;border:1px solid var(--line);border-radius:999px;background:var(--surface-muted);color:var(--ink-soft);font-size:.78rem;font-weight:600;letter-spacing:.02em}.generated-explanation__question{max-width:50rem;margin:0 0 var(--space-md);color:var(--ink-soft);font-size:1.05rem;overflow-wrap:anywhere}.generated-explanation__analogy{max-width:42rem;margin:var(--space-lg) 0 0 auto;padding:var(--space-md);border:1px solid var(--line);border-radius:1.25rem;background:var(--surface)}.generated-explanation__analogy span{color:var(--ink-soft);font-size:.75rem;font-weight:620;letter-spacing:.035em}.generated-explanation__analogy p{margin:.35rem 0 0;color:var(--ink-soft);font-size:1.1rem}.generated-explanation__disclosure{max-width:50rem;padding:var(--space-md);border:1px solid var(--line);border-radius:1rem;background:var(--surface-muted);color:var(--ink-soft)}.generated-explanation__disclosure p{margin:0}.generated-explanation__actions{display:flex;flex-wrap:wrap;gap:var(--space-md);justify-content:flex-start;align-items:center;margin-top:var(--space-lg);font-size:1rem}.copy-link{min-height:2.75rem;padding:.65rem 1rem;border:0;border-radius:.8rem;background:var(--ink);color:var(--paper);font:inherit;font-weight:620;cursor:pointer}.generated-explanation__actions a{min-height:3rem;display:inline-flex;align-items:center;color:var(--blue-deep);font-weight:800}.story{display:grid;gap:var(--space-xl);margin:var(--space-xl) 0;padding:0;list-style:none}.story__panel{display:grid;gap:var(--space-md)}.story__visual{position:relative;display:grid;min-height:18rem;place-items:center;overflow:hidden;border:1px solid var(--line);border-radius:1.5rem;background:var(--surface-muted);color:var(--ink)}.story__number{position:absolute;z-index:1;align-self:start;justify-self:start;padding:var(--space-sm);font-variant-numeric:tabular-nums;font-weight:800}.diagram{display:block;width:100%;max-width:48rem;height:auto;color:var(--ink);overflow:visible}.diagram__shape{fill:var(--paper);stroke:var(--ink);stroke-width:2}.diagram__accent{stroke:var(--ink);stroke-width:2}.diagram__accent--blue{fill:#85b3f7}.diagram__accent--coral{fill:#fd8d79}.diagram__accent--gold{fill:var(--gold)}.diagram__accent--green{fill:#8bd0a8}.diagram__accent--ink{fill:#324968}.diagram__accent--violet{fill:#c8a1ea}.diagram__line,.diagram__divider{fill:none;stroke:var(--ink);stroke-linecap:round;stroke-width:4}.diagram__line--thin{stroke-width:2}.diagram__line--dashed{stroke-dasharray:4 12}.diagram__divider{stroke:var(--line);stroke-width:2}.diagram__arrow,.diagram__dot{fill:var(--ink)}.diagram__label,.diagram__equals{fill:var(--ink);font-family:var(--font-body);font-size:18px;font-weight:570}.diagram__label--small{font-size:14px;font-weight:720;letter-spacing:.08em;text-transform:uppercase}.diagram__label--strong{font-weight:760}.diagram__label--large,.diagram__equals{font-family:var(--font-display);font-size:30px;font-weight:650;text-anchor:middle}.visual-test-page{width:var(--content);margin-inline:auto;padding-block:var(--space-xl)}.visual-test-page>h1{max-width:15ch;margin:0 0 var(--space-xl);font-family:var(--font-display);font-size:clamp(3rem,8vw,6.5rem);letter-spacing:-.055em;line-height:.9}.visual-test-grid{display:grid;gap:var(--space-xl)}.visual-test-grid section>h2{margin:0 0 var(--space-sm);font-family:var(--font-display);font-size:1.8rem}.story__copy{max-width:34rem}.story__copy h2{margin:0;font-family:var(--font-display);font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-.04em;line-height:1;overflow-wrap:break-word}.story__copy>p:last-child{margin-bottom:0;color:var(--ink-soft);font-size:1.1rem}.truth-note,.quick-check{margin-block:var(--space-xl);padding:var(--space-lg);border:1px solid var(--line);border-radius:1.5rem}.truth-note{background:var(--surface-muted);color:var(--ink)}.truth-note .eyebrow{color:var(--coral-text)}.truth-note p:last-child{max-width:45rem;font-size:1.1rem}.quick-check{background:var(--surface)}.quick-check li{margin-block:.5rem}.quick-check summary{min-height:2.75rem;cursor:pointer;color:var(--blue-deep);font-weight:750}.sources{max-width:50rem;padding-top:var(--space-lg);border-top:1px solid var(--line)}.sources h2{font-family:var(--font-display)}.sources li{margin-block:var(--space-sm)}.sources li span{display:block;color:var(--ink-soft);font-size:.85rem}.back-link{margin-top:var(--space-lg)}.not-found{display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.site-footer{display:flex;flex-direction:column;gap:var(--space-md);padding-block:2rem;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.85rem}.site-footer p{margin:0}.site-footer__links{display:flex;gap:var(--space-md)}@media(min-width:48rem){.site-header__inner{flex-wrap:nowrap;min-height:4.25rem;padding-block:0}.site-header nav{justify-content:initial;width:auto;gap:.2rem;border-top:0}.topic-list{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{grid-template-columns:1fr 1fr}.section-heading .eyebrow{grid-column:1 / -1}.story__panel{grid-template-columns:minmax(0,1.5fr) minmax(18rem,.65fr);align-items:center}.story__panel:nth-child(2n) .story__visual{grid-column:2}.story__panel:nth-child(2n) .story__copy{grid-row:1;grid-column:1}.site-footer{flex-direction:row;align-items:center;justify-content:space-between}}@media(max-width:30rem){.hero{padding-top:3.75rem}.hero h1{font-size:clamp(2.35rem,12vw,3rem)}.generator__examples{justify-content:flex-start;flex-wrap:nowrap;margin-inline:-1rem;padding:0 1rem .3rem;overflow-x:auto;scrollbar-width:none}.generator__examples::-webkit-scrollbar{display:none}.generator__examples button{flex:0 0 auto}.explanation__intro h1{font-size:clamp(2.75rem,13vw,3.5rem)}}@media(hover:hover){.site-header nav a:hover{background:var(--surface-muted);color:var(--ink)}.generator__examples button:hover{border-color:var(--line-strong);background:var(--surface-muted);color:var(--ink);transform:translateY(-1px)}.generator__submit:not(:disabled):hover{background:color-mix(in oklch,var(--ink) 88%,var(--paper));transform:translateY(-1px)}.topic-row:hover{border-color:var(--line-strong);box-shadow:0 .8rem 2rem #1f1d170f;transform:translateY(-2px)}.topic-row:hover h2 a{color:var(--coral-text)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}