:root {
  color-scheme: light;
  --paper: #FCE9AB;
  --paper-dark: #f5dda0;
  --white: #fffdf8;
  --ink: #43251e;
  --muted: #695340;
  --line: #c4a36b;
  --terracotta: #C42B34;
  --terracotta-dark: #99202a;
  --sage: #f6edc9;
  --rose: #DF4C74;
  --orange: #FC8A2D;
  --olive: #9E9820;
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--terracotta); outline-offset: 4px; }
::selection { background: #e4b9a8; color: var(--ink); }
.page-width { width: min(1380px, calc(100% - 88px)); margin-inline: auto; }
.loading { padding: 3rem; }

.site-header { min-height: 86px; width: min(1380px, calc(100% - 88px)); margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 800; letter-spacing: .12em; text-decoration: none; white-space: nowrap; }
.brand em { font-style: normal; color: var(--terracotta); }
.brand-mark { width: 31px; height: 31px; border: 2px solid var(--ink); border-radius: 50%; display: grid; place-items: center; position: relative; }
.brand-mark::before { content: ''; position: absolute; inset: 8px 3px; border: 2px solid var(--ink); border-radius: 50%; }
.brand-mark span { width: 7px; height: 7px; background: var(--terracotta); border-radius: 50%; z-index: 1; }
.main-nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 46px); }
.main-nav a { text-decoration: none; color: #5b625b; font-size: 13px; font-weight: 650; letter-spacing: .01em; padding: 14px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current] { color: var(--ink); border-color: var(--terracotta); }
.language-toggle { flex: none; min-width: 48px; min-height: 36px; padding: 5px 10px; border: 1px solid var(--ink); border-radius: 18px; background: transparent; color: var(--ink); font-size: 12px; font-weight: 800; letter-spacing: .02em; }
.language-toggle:hover { background: var(--ink); color: var(--white); }
.site-footer { width: min(1380px, calc(100% - 88px)); margin: 72px auto 0; min-height: 96px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.footer-dot { color: var(--terracotta); padding-inline: 8px; }
.creator-credit { display: flex; align-items: center; gap: 12px; flex-shrink: 0; margin-block: 18px; padding: 10px 18px 10px 10px; border: 1px solid var(--terracotta); border-radius: 22px 22px 22px 7px; background: #fbe0e5; color: var(--ink); text-transform: none; letter-spacing: normal; box-shadow: 3px 3px 0 var(--orange); }
.creator-pig { width: 48px; height: 48px; flex: none; fill: var(--terracotta); }
.pig-ear, .pig-face { fill: var(--rose); stroke: var(--terracotta); stroke-width: 2; stroke-linejoin: round; }
.pig-eyes { fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; }
.pig-cheek { fill: var(--terracotta); opacity: .45; }
.pig-snout { fill: var(--paper); stroke: var(--terracotta); stroke-width: 1.5; }
.creator-caption { display: block; margin-bottom: 3px; font-size: 10px; font-weight: 500; line-height: 1.5; }
.creator-name { display: block; font: italic 22px/1.2 var(--font-display); color: var(--terracotta); }
.creator-name sup { margin-left: 3px; font: 10px var(--font-body); vertical-align: super; }
html[lang="zh-CN"] .creator-name { font-style: normal; font-size: 21px; }

.eyebrow, .small-label { text-transform: uppercase; font-size: 10px; font-weight: 800; letter-spacing: .2em; color: var(--terracotta); line-height: 1.5; }
.eyebrow-line { display: inline-block; width: 31px; height: 1px; background: var(--terracotta); vertical-align: middle; margin-right: 12px; }
h1, h2, h3, h4, p, figure { margin-top: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; letter-spacing: -.045em; }
h1 em, h2 em, .about-footer em { color: var(--terracotta); font-weight: 400; }
.button { min-height: 52px; padding: 0 23px; border: 1px solid transparent; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; text-align: left; text-decoration: none; font-weight: 750; font-size: 13px; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:not(:disabled):hover { transform: translateY(-2px); }
.button-primary { background: var(--terracotta); color: #fffdf8; }
.button-primary:hover { background: var(--terracotta-dark); }
.button-secondary { background: var(--ink); color: #fffdf8; }
.button-secondary:hover { background: #3c5046; }
.button:disabled { opacity: .48; cursor: not-allowed; }
.quiet-link, .back-link, .image-credit { text-decoration: none; font-weight: 750; font-size: 12px; }
.quiet-link:hover, .back-link:hover, .image-credit:hover { color: var(--terracotta); }
.under-button { background: none; border: none; padding: 8px 0; color: var(--ink); font-size: 12px; font-weight: 750; text-decoration: underline; text-underline-offset: 5px; }
.under-button:hover { color: var(--terracotta); }

.home-hero { min-height: 690px; display: grid; grid-template-columns: .94fr 1.06fr; gap: clamp(40px, 6vw, 105px); align-items: center; padding-block: 62px 70px; }
.hero-copy { padding-bottom: 14px; }
.hero-copy h1 { font-size: clamp(63px, 7.2vw, 116px); line-height: .98; margin: 29px 0 30px; }
.hero-lead { max-width: 515px; font-family: var(--font-display); font-size: clamp(19px, 1.75vw, 25px); line-height: 1.47; letter-spacing: -.02em; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.hero-actions .button { min-width: 218px; }
.duration-pill { color: #545d54; font-size: 12px; font-weight: 700; white-space: nowrap; }
.hero-quiet { margin-top: 37px; font-size: 12px; color: var(--muted); }
.hero-feature { box-shadow: 0 20px 50px #2e332216; background: var(--white); transform: rotate(1.1deg); transition: transform .25s ease; }
.hero-feature:hover { transform: rotate(0); }
.hero-art-wrap { height: clamp(350px, 40vw, 470px); position: relative; background: #b6b4a8; overflow: hidden; }
.artwork-shell { position: relative; width: 100%; height: 100%; overflow: hidden; background: linear-gradient(145deg, #a6a995, #555a50); }
.artwork-image { width: 100%; height: 100%; object-fit: cover; object-position: var(--art-position, center); }
.art-fallback { display: none; position: absolute; inset: 0; padding: 30px; color: #f8efe4; align-items: flex-start; justify-content: end; flex-direction: column; background: radial-gradient(circle at 70% 25%, #778277, #263c36 75%); font-family: var(--font-display); font-size: 33px; }
.art-fallback small { margin-top: 12px; font: 12px var(--font-body); }
.art-fallback-mark { font-size: 70px; color: #d8a083; }
.image-failed .artwork-image { visibility: hidden; }
.image-failed .art-fallback { display: flex; }
.hero-art-index { position: absolute; left: 0; bottom: 0; padding: 12px 17px; background: #f6f2eae8; color: var(--ink); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.hero-feature-bottom { min-height: 111px; padding: 21px 24px 22px; display: flex; justify-content: space-between; align-items: end; }
.hero-feature-bottom .small-label { color: var(--terracotta); }
.hero-feature-bottom h2 { font-size: clamp(25px, 2.2vw, 33px); margin: 3px 0 3px; }
.hero-feature-bottom p { margin: 0; color: var(--muted); font-size: 12px; }
.round-arrow { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; font-size: 20px; }
.value-band { background: var(--ink); color: #f8f2e8; }
.value-band-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 10px; font-weight: 750; letter-spacing: .18em; }
.value-band i { color: #d48967; font-size: 18px; font-style: normal; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 21px; }
.case-card { display: block; background: var(--white); text-decoration: none; border: 1px solid #e8e1d6; transition: transform .22s ease, box-shadow .22s ease; }
.case-card:hover { transform: translateY(-5px); box-shadow: 0 18px 35px #242f2415; }
.case-card-image { height: 228px; position: relative; overflow: hidden; }
.case-card-image img { transition: transform .45s ease; }
.case-card:hover img { transform: scale(1.045); }
.case-card-number { position: absolute; top: 14px; left: 14px; padding: 7px 9px; background: #f6f2eaeb; font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.case-card-body { padding: 21px 22px 24px; min-height: 207px; display: flex; flex-direction: column; }
.case-card-topline { display: flex; justify-content: space-between; gap: 10px; color: var(--terracotta); text-transform: uppercase; letter-spacing: .1em; font-size: 9px; font-weight: 800; }
.case-card-topline span:last-child { color: var(--muted); white-space: nowrap; }
.case-card h3 { font-size: clamp(25px, 2.3vw, 34px); line-height: 1.07; margin: 14px 0 9px; }
.case-card p { font-size: 12px; line-height: 1.55; color: #5a625b; margin: 0 0 16px; }
.text-link { margin-top: auto; font-size: 11px; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }

.collection-page { padding-top: 73px; }
.collection-title { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-top: 11px; }
.collection-title h1, .about-page h1 { font-size: clamp(61px, 7vw, 106px); line-height: 1; margin-bottom: 20px; }
.collection-title p { max-width: 520px; color: #566158; font-family: var(--font-display); font-size: 22px; line-height: 1.4; }
.collection-count { border-left: 1px solid var(--line); padding-left: 28px; margin-bottom: 19px; display: flex; flex-direction: column; min-width: 165px; }
.collection-count strong { font-family: var(--font-display); font-size: 39px; font-weight: 400; letter-spacing: -.05em; }
.collection-count span { font-size: 11px; color: var(--muted); }
.filter-note { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 48px 0 27px; padding: 17px 0; color: #596158; font-size: 11px; font-weight: 700; }
.filter-note span:nth-child(2) { margin-inline: 8px; }
.filter-dot { width: 8px; height: 8px; background: var(--terracotta); border-radius: 50%; display: inline-block; margin-right: 7px; }
.collection-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.collection-grid .case-card-image { height: 205px; }
.collection-grid .case-card-body { padding: 17px; }
.collection-grid .case-card h3 { font-size: clamp(24px, 2vw, 31px); }
.collection-end { text-align: center; padding: 80px 0 0; color: var(--muted); }
.collection-end span { color: var(--terracotta); font-size: 25px; }
.collection-end p { margin: 9px 0 0; font-family: var(--font-display); font-size: 18px; }

.about-page { padding-top: 90px; }
.about-page h1 { margin-top: 20px; }
.about-lead { max-width: 790px; font-family: var(--font-display); font-size: clamp(22px, 2.3vw, 32px); line-height: 1.44; }
.about-steps { margin-top: 77px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-steps article { padding: 32px 35px 36px 0; }
.about-steps article + article { padding-left: 35px; border-left: 1px solid var(--line); }
.about-steps span { color: var(--terracotta); font-size: 10px; letter-spacing: .16em; font-weight: 800; }
.about-steps h2 { margin: 35px 0 14px; font-size: 31px; }
.about-steps p { color: var(--muted); font-size: 13px; line-height: 1.65; }
.about-footer { display: flex; justify-content: space-between; align-items: center; gap: 25px; margin-top: 70px; }
.about-footer p { font-family: var(--font-display); font-size: 28px; margin: 0; }

.case-page { padding-top: 20px; }
.case-topline { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 53px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.case-topline .back-link { text-transform: none; letter-spacing: 0; font-size: 12px; color: var(--ink); }
.topline-dot { color: var(--terracotta); margin-inline: 7px; }
.case-intro { padding: 47px 0 34px; display: flex; justify-content: space-between; align-items: end; gap: 35px; }
.case-intro > div:first-child { max-width: 750px; }
.case-intro h1 { font-size: clamp(48px, 5.5vw, 83px); line-height: 1.02; margin: 14px 0 18px; }
.case-intro p { max-width: 670px; font-family: var(--font-display); color: #5a625b; font-size: 18px; line-height: 1.5; margin: 0; }
.stepper { min-width: 320px; display: flex; align-items: center; justify-content: end; gap: 9px; padding-bottom: 6px; white-space: nowrap; }
.stepper span:not(.step-line) { color: #a0a39c; font-size: 10px; font-weight: 700; }
.stepper b { font-size: 9px; margin-right: 3px; }
.stepper .active { color: var(--terracotta) !important; }
.step-line { height: 1px; width: 17px; background: var(--line); }
.case-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(36px, 5vw, 76px); align-items: start; }
.case-art { margin: 0; background: var(--white); border: 1px solid #e6dfd3; padding: 11px; }
.case-art-inner { height: clamp(310px, 38vw, 540px); position: relative; background: #778279; overflow: hidden; }
.case-artwork img { object-fit: contain; }
.case-artwork { background: #e9e3d7; }
.zoom-button { position: absolute; right: 12px; bottom: 12px; display: flex; gap: 8px; align-items: center; padding: 10px 12px; border: none; color: var(--ink); background: #fffdf8ed; font-size: 11px; font-weight: 750; }
.zoom-button:hover { background: var(--white); }
.case-art figcaption { padding: 17px 12px 8px; display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.case-art figcaption strong { font-family: var(--font-display); font-size: 22px; font-weight: 400; }
.case-art figcaption span { font-size: 11px; color: var(--muted); text-align: right; }
.image-credit { display: inline-block; margin: 12px 0 27px 3px; font-size: 10px; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.play-column { min-width: 0; padding-bottom: 40px; }
.game-section-head h2 { font-size: clamp(44px, 4.5vw, 68px); line-height: 1.04; margin: 11px 0 15px; }
.game-section-head p { color: #5a625c; font-size: 13px; line-height: 1.6; max-width: 520px; margin-bottom: 24px; }
.clue-list, .choice-list { display: grid; gap: 11px; }
.clue-progress { margin: 0 0 12px; color: var(--terracotta); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.flip-card { width: 100%; height: 178px; border: 0; padding: 0; background: transparent; text-align: left; color: var(--ink); perspective: 1000px; }
.flip-card-inner { display: block; width: 100%; height: 100%; position: relative; transform-style: preserve-3d; transition: transform .55s cubic-bezier(.2,.65,.2,1); }
.flip-card.is-flipped .flip-card-inner { transform: rotateY(180deg); }
.flip-card-face { position: absolute; inset: 0; padding: 19px 21px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); background: var(--white); backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.flip-card-front { background: repeating-linear-gradient(115deg, #fffdf8, #fffdf8 26px, #fbf7ef 27px); }
.flip-card:hover .flip-card-front, .flip-card:hover .flip-card-back { border-color: var(--terracotta); }
.flip-card-back { transform: rotateY(180deg); background: var(--sage); border-color: #ccd8ca; }
.flip-card-top, .flip-card-bottom { width: 100%; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 10px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.flip-card-top { color: var(--terracotta); }
.flip-card-bottom { color: var(--muted); font-size: 9px; letter-spacing: .04em; text-transform: none; }
.flip-card-bottom span:last-child { white-space: nowrap; color: var(--terracotta-dark); }
.flip-card-front-title { max-width: 95%; font: 35px/1.05 var(--font-display); letter-spacing: -.045em; }
.flip-card-text { display: block; font: 17px/1.38 var(--font-display); letter-spacing: -.015em; }
html[lang="zh-CN"] .flip-card { height: 222px; }
html[lang="zh-CN"] .flip-card-text { font-family: var(--font-body); font-size: 15px; line-height: 1.45; letter-spacing: 0; }
html[lang="zh-CN"] .flip-card-front-title { font-family: var(--font-body); font-size: 30px; letter-spacing: 0; }
.game-actions { margin-top: 23px; display: flex; gap: 23px; align-items: center; flex-wrap: wrap; }
.game-actions .button { min-width: 215px; }
.nudge-message { background: #f4e6dd; border-left: 3px solid var(--terracotta); padding: 15px 17px; max-width: 540px; font-size: 12px; line-height: 1.55; }
.nudge-message span { display: block; font-size: 9px; font-weight: 800; color: var(--terracotta-dark); letter-spacing: .14em; margin-bottom: 5px; }
.choice { width: 100%; min-height: 78px; text-align: left; border: 1px solid var(--line); background: var(--white); padding: 16px 18px; display: flex; align-items: center; gap: 15px; color: var(--ink); font-size: 13px; line-height: 1.45; }
.choice:hover, .choice.selected { border-color: var(--terracotta); background: #fff8f2; }
.choice-letter { width: 28px; height: 28px; flex: 0 0 auto; border: 1px solid var(--line); display: grid; place-items: center; font-size: 11px; font-weight: 800; }
.choice.selected .choice-letter { background: var(--terracotta); border-color: var(--terracotta); color: white; }
.choice-indicator { margin-left: auto; color: var(--terracotta); }
.answer-feedback { padding: 16px 18px; border-left: 3px solid var(--terracotta); background: #f4e6dd; margin-top: 17px; font-size: 12px; }
.answer-feedback p { margin: 5px 0 0; line-height: 1.55; }

.reveal-panel > .eyebrow { display: block; margin-bottom: 20px; }
.reveal-mark { width: 48px; height: 48px; display: grid; place-items: center; background: var(--terracotta); color: white; border-radius: 50%; font-size: 29px; margin-bottom: 17px; }
.reveal-panel h2 { font-size: clamp(42px, 4vw, 65px); line-height: 1.06; margin-bottom: 18px; }
.reveal-body { font-family: var(--font-display); font-size: 20px; line-height: 1.5; color: #48574b; }
.museum-line { margin: 25px 0 18px; border-left: 3px solid var(--terracotta); padding: 4px 0 3px 20px; }
.museum-line p { margin: 9px 0 0; font: italic 21px/1.45 var(--font-display); }
.source-note { color: var(--muted); font-size: 11px; line-height: 1.55; }
.source-list { display: flex; flex-direction: column; gap: 8px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.source-list .small-label { margin-bottom: 3px; }
.source-list a { width: fit-content; font-size: 11px; text-underline-offset: 3px; }
.explore-heading { margin: 39px 0 18px; }
.explore-heading h3 { font-size: 33px; margin: 8px 0 8px; }
.explore-heading p { font-size: 12px; color: var(--muted); line-height: 1.5; }
.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.path-card { min-height: 155px; display: flex; align-items: start; text-align: left; background: var(--white); border: 1px solid var(--line); padding: 18px; gap: 14px; color: var(--ink); }
.path-card:hover, .path-card.open { border-color: var(--terracotta); background: #fff8f2; }
.path-icon { font-size: 21px; color: var(--terracotta); }
.path-card-text { flex: 1; }
.path-card small { display: block; color: var(--terracotta); text-transform: uppercase; letter-spacing: .13em; font-size: 9px; font-weight: 800; margin: 5px 0 9px; }
.path-card strong { display: block; font: 24px/1.15 var(--font-display); }
.path-arrow { color: var(--terracotta); }
.path-detail { margin-top: 12px; padding: 22px 25px 25px; border: 1px solid #d0dcca; background: var(--sage); }
.path-detail-head { display: flex; align-items: center; justify-content: space-between; text-transform: uppercase; font-size: 10px; font-weight: 800; letter-spacing: .13em; color: var(--terracotta); }
.icon-button { background: none; border: none; color: var(--ink); font-size: 25px; line-height: 1; }
.path-detail h4 { font-size: 34px; margin: 16px 0 10px; }
.path-detail > p { color: #516052; line-height: 1.55; font-size: 13px; }
.path-detail ol { margin: 22px 0; padding-left: 20px; }
.path-detail li { font-size: 12px; line-height: 1.6; margin-bottom: 9px; padding-left: 4px; }
.path-prompt { border-top: 1px solid #cbd6c8; padding-top: 15px; font: italic 18px/1.4 var(--font-display); }
.reveal-actions { margin-top: 25px; display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }

.modal { width: min(570px, calc(100% - 32px)); max-height: min(85vh, 900px); padding: 0; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 25px 90px #1d2d2690; color: var(--ink); }
.modal::backdrop { background: #1b2923b8; }
.modal-content { padding: 32px; position: relative; }
.modal-close { position: absolute; top: 18px; right: 19px; border: 1px solid var(--line); width: 35px; height: 35px; background: var(--white); font-size: 22px; color: var(--ink); line-height: 1; }
.modal-content h2 { font-size: clamp(39px, 5vw, 57px); line-height: 1.05; margin: 18px 35px 21px 0; }
.art-modal-content { width: min(900px, 100%); }
.modal:has(.art-modal-content) { width: min(950px, calc(100% - 26px)); }
.zoom-art { height: min(59vh, 680px); background: #e6dfd4; }
.zoom-art img { object-fit: contain; }
.art-modal-content > p, .art-modal-content > a { font-size: 12px; }
.art-modal-content > p { margin: 14px 0 5px; }
.not-found { padding: 100px 0; min-height: 60vh; }
.not-found h1 { font-size: 60px; }

@media (max-width: 1120px) {
  .page-width, .site-header, .site-footer { width: min(100% - 58px, 1380px); }
  .home-hero { min-height: 610px; gap: 38px; }
  .hero-copy h1 { font-size: clamp(58px, 7.8vw, 90px); }
  .collection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collection-grid .case-card-image { height: 250px; }
  .case-layout { gap: 35px; }
  .case-intro { align-items: start; flex-direction: column; }
  .stepper { justify-content: start; }
}

@media (max-width: 760px) {
  .page-width, .site-header, .site-footer { width: calc(100% - 36px); }
  .site-header { min-height: 72px; flex-wrap: wrap; padding: 14px 0 8px; gap: 8px; }
  .brand { font-size: 14px; }
  .brand-mark { width: 26px; height: 26px; }
  .brand { order: 1; }
  .language-toggle { order: 2; margin-left: auto; }
  .main-nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; }
  .main-nav a { padding: 9px 0 10px; font-size: 11px; }
  .site-footer { min-height: 115px; margin-top: 50px; flex-wrap: wrap; align-content: center; font-size: 9px; }
  .home-hero { display: flex; flex-direction: column; align-items: stretch; gap: 35px; padding: 53px 0 55px; }
  .hero-copy h1 { font-size: clamp(61px, 12vw, 83px); margin: 18px 0 20px; }
  .hero-lead { font-size: 20px; }
  .hero-actions { margin-top: 25px; gap: 16px; }
  .hero-quiet { margin-top: 22px; }
  .hero-feature { transform: none; }
  .hero-art-wrap { height: clamp(300px, 75vw, 450px); }
  .hero-feature-bottom { min-height: 95px; padding: 16px; }
  .value-band-inner { font-size: 8px; letter-spacing: .1em; gap: 6px; }
  .value-band i { font-size: 13px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card-image, .collection-grid .case-card-image { height: clamp(220px, 65vw, 340px); }
  .case-card-body { min-height: 175px; }
  .collection-page, .about-page { padding-top: 52px; }
  .collection-title { flex-direction: column; align-items: start; gap: 15px; }
  .collection-title h1, .about-page h1 { font-size: clamp(56px, 11vw, 80px); }
  .collection-count { margin: 0; }
  .filter-note { margin-top: 35px; }
  .collection-grid { grid-template-columns: 1fr; }
  .about-steps { margin-top: 45px; display: block; }
  .about-steps article, .about-steps article + article { padding: 25px 0; border-left: 0; }
  .about-steps article + article { border-top: 1px solid var(--line); }
  .about-steps h2 { margin-top: 17px; }
  .about-footer { align-items: start; flex-direction: column; margin-top: 45px; }
  .case-intro { padding: 37px 0 27px; gap: 27px; }
  .case-intro h1 { font-size: clamp(47px, 9vw, 70px); }
  .case-intro p { font-size: 16px; }
  .stepper { min-width: 0; width: 100%; justify-content: space-between; }
  .case-layout { display: flex; flex-direction: column; gap: 31px; }
  .art-column { display: contents; }
  .case-art { order: 1; width: 100%; }
  .case-art-inner { height: clamp(260px, 66vw, 430px); }
  .case-art figcaption { display: block; }
  .case-art figcaption span { display: block; text-align: left; margin-top: 3px; }
  .image-credit { order: 2; margin: -22px 0 0 2px; }
  .play-column { order: 3; width: 100%; padding: 0; }
  .game-section-head h2 { font-size: clamp(45px, 9vw, 64px); }
  .path-grid { grid-template-columns: 1fr 1fr; }
  .path-card { min-height: 150px; padding: 14px; }
  .path-card strong { font-size: 21px; }
  .modal-content { padding: 25px; }
  .zoom-art { height: 52vh; }
}

@media (max-width: 460px) {
  .hero-actions .button { width: 100%; }
  .duration-pill { margin-left: 2px; }
  .hero-art-wrap { height: 315px; }
  .case-topline { font-size: 8px; }
  .case-intro h1 { font-size: 47px; }
  .flip-card { height: 190px; }
  .flip-card-face { padding: 15px 16px; }
  .flip-card-front-title { font-size: 31px; }
  .flip-card-text { font-size: 16px; line-height: 1.32; }
  html[lang="zh-CN"] .flip-card { height: 252px; }
  html[lang="zh-CN"] .flip-card-text { font-size: 15px; line-height: 1.4; }
  .game-actions .button { width: 100%; }
  .path-grid { grid-template-columns: 1fr; }
  .path-card { min-height: 112px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Palette and paper framing give the collection the feel of a printed art journal. */
body { background-image: radial-gradient(#9e982012 .8px, transparent .8px); background-size: 7px 7px; }
/* Painted texture is limited to Today; a paper panel keeps the copy readable. */
body[data-page="today"] { background-color: var(--paper); }
.today-page {
  position: relative;
  isolation: isolate;
  background-color: var(--paper);
  background-image: url('./assets/today-impasto.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.today-page .hero-copy {
  padding: clamp(24px, 3vw, 44px);
  background: #fff8ddf2;
  border: 1px solid #fffdf8;
  border-radius: 3px 14px 5px 3px;
  box-shadow: 7px 9px 0 #43251e16;
}
.today-page .hero-copy h1 { font-size: clamp(59px, 6.3vw, 100px); }
.today-page .home-hero { gap: clamp(32px, 4vw, 65px); }
.today-page .new-case-strip { background: #fff8ddf5; box-shadow: 6px 6px 0 #43251e26; }
@media (max-width: 760px) {
  .today-page { background-position: 62% center; }
  .today-page .hero-copy { padding: 24px 20px 28px; }
  .today-page .hero-copy h1 { font-size: clamp(49px, 10.5vw, 76px); }
}
.site-header { border-bottom: 2px solid var(--terracotta); }
.brand { color: var(--terracotta); }
.hero-copy h1 { color: var(--terracotta); }
.hero-copy h1 em { color: var(--ink); text-decoration: underline; text-decoration-color: var(--rose); text-decoration-thickness: 9px; text-underline-offset: 9px; }
.hero-feature { padding: 14px 14px 0; background: var(--rose); box-shadow: 12px 12px 0 var(--orange); }
.hero-feature-bottom { background: var(--paper); margin-inline: -14px; }
.hero-art-index { background: var(--paper); color: var(--terracotta); }
.value-band { background: var(--terracotta); color: var(--paper); }
.value-band i { color: var(--paper); font-size: 29px; }
.button-primary { box-shadow: 4px 4px 0 var(--orange); }
.button-secondary { background: var(--terracotta); }
.new-case-strip { margin-bottom: 48px; padding: 22px 25px; border: 2px solid var(--terracotta); background: var(--orange); }
.new-case-strip .eyebrow { color: var(--ink); }
.new-case-strip > a { display: flex; align-items: center; justify-content: space-between; gap: 20px; text-decoration: none; }
.new-case-strip > a > span:first-child { font: 30px/1.25 var(--font-display); }
.case-card { border: 1px solid var(--ink); box-shadow: 5px 5px 0 var(--olive); }
.case-card:nth-child(3n + 2) { box-shadow: 5px 5px 0 var(--rose); }
.case-card:nth-child(3n) { box-shadow: 5px 5px 0 var(--orange); }
.case-card-number { background: var(--paper); color: var(--terracotta); border-radius: 50%; padding: 12px; }
.case-art { background: var(--rose); border: 0; padding: 14px; box-shadow: 7px 7px 0 var(--orange); }
.case-art figcaption { background: var(--paper); margin: 14px -14px -14px; padding: 18px; }
.case-artwork, .zoom-art { background: #fff8dc; }
.flip-card-front { background: var(--orange); border: 1px solid var(--ink); }
.flip-card:nth-child(even) .flip-card-front { background: var(--rose); }
.flip-card-top, .flip-card-bottom, .flip-card-bottom span:last-child { color: var(--ink); }
.flip-card-back { background: #fff8dc; border-color: var(--ink); }
.inline-deduction { border-top: 2px solid var(--terracotta); padding-top: 28px; margin-top: 28px; }
.inline-deduction .game-section-head h2 { font-size: clamp(34px, 3.5vw, 49px); }
.inline-deduction .game-section-head p { font: 21px/1.4 var(--font-display); color: var(--ink); }
.choice { border-color: var(--ink); }
.choice.selected { background: #fbe0e5; border: 2px solid var(--terracotta); }
.path-card { background: #fbe0e5; border-color: var(--terracotta); }
.path-card[data-path="connected"] { background: var(--paper); border-color: var(--olive); }
.path-detail { background: #fff8dc; border: 2px solid var(--olive); }
.path-prompt { border-top: 1px solid var(--olive); }
.path-prompt p { margin: 10px 0 18px; }
.path-answer { padding: 18px; background: var(--paper); border-left: 4px solid var(--orange); }
.path-answer p { font: 15px/1.7 var(--font-body); margin: 8px 0 0; }
@media (max-width: 760px) {
  .hero-feature { margin-right: 9px; }
  .case-art { width: calc(100% - 7px); }
  .new-case-strip > a { align-items: start; flex-direction: column; gap: 12px; }
}