:root {
  color-scheme: dark;
  --bg: #1b1a17;
  --panel: #24221e;
  --ink: #f4f0e7;
  --muted: #b9b4a9;
  --line: #3c3932;
  --accent: #ff874f;
  --accent-soft: #30241e;
  --mat: #d8d3c9;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.75 Arial, "PingFang TC", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
::selection { background: var(--accent); color: #251a13; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
a, button, summary { -webkit-tap-highlight-color: transparent; transition: color .16s ease, background-color .16s ease, border-color .16s ease; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button, input { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
figure, dl { margin: 0; }
p { margin: 0 0 20px; color: var(--muted); font-size: 15px; line-height: 1.85; }
h1, h2, h3 { margin: 0; font-weight: 700; }
h2 { font-size: clamp(28px, 2.8vw, 38px); line-height: 1.3; letter-spacing: -.9px; text-wrap: balance; }
h3 { font-size: 21px; line-height: 1.45; letter-spacing: -.35px; }
strong { font-weight: 700; }
.site-header, body > main, body > footer { width: 100%; max-width: 1400px; margin-inline: auto; padding-inline: 64px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 80px; border-bottom: 1px solid var(--line); }
.brand { flex: 0 0 auto; display: inline-block; color: var(--ink); font-size: 30px; line-height: 1; font-weight: 900; letter-spacing: -1.7px; }
.brand span { color: var(--accent); }
.header-nav { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 28px; }
.header-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 12px; }
.header-nav a:hover, .header-nav [aria-current] { color: var(--accent); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 11px; padding: 24px 0 11px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.breadcrumb [aria-current] { color: var(--ink); }
.eyebrow, .section-kicker { color: var(--accent); font-size: 11px; line-height: 1.6; letter-spacing: 1.5px; text-transform: uppercase; }
.eyebrow { margin-bottom: 23px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); align-items: center; gap: 60px; padding: 29px 0 33px; }
.hero-copy { min-width: 0; padding-block: 12px; }
.hero-copy h1 { max-width: 100%; margin-bottom: 18px; font-size: clamp(52px, 5.05vw, 70px); line-height: 1.04; letter-spacing: -3.8px; text-wrap: balance; }
.hero-copy h1 span { display: block; color: var(--accent); }
@media (min-width: 768px) { .hero-copy h1 span { white-space: nowrap; } }
.hero-subtitle { max-width: 24ch; margin: 24px 0 21px; color: var(--ink); font-size: clamp(25px, 2.5vw, 34px); font-weight: 700; line-height: 1.35; letter-spacing: -.6px; text-wrap: balance; }
.hero-copy h1 { margin-bottom: 0; }
.hero-copy h1 > .hero-subtitle { display: block; }
.intro { max-width: 53ch; margin-bottom: 27px; font-size: 15px; line-height: 1.9; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 25px; }
.actions a { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 50px; font-size: 13px; line-height: 1.5; font-weight: 700; }
.button { padding: 14px 21px; border: 1px solid var(--accent); background: var(--accent); color: #251a13; }
.button:hover { border-color: #ffa372; background: #ffa372; color: #251a13; }
.button:active { background: #f1783f; }
.text-button { border-bottom: 1px solid #756553; }
.text-button:hover { border-color: var(--accent); }
.hero-visual { min-width: 0; }
.hero-visual > figure, .hero-visual > a { display: block; min-width: 0; }
.hero-visual figure > img { width: 100%; max-height: 440px; padding: 25px; object-fit: contain; background: var(--mat); }
.book-stack { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: center; gap: 13px; min-width: 0; padding: 42px 24px 32px; border: 1px solid var(--line); background: var(--panel); }
.book-stack img { width: 100%; aspect-ratio: 2 / 2.82; object-fit: contain; background: #efeee9; }
.book-stack img:nth-child(2) { transform: translateY(-10px); }
.image-source, .hero-visual figcaption, .product-image figcaption { margin: 11px 0 0; color: var(--muted); font-size: 10px; line-height: 1.75; }
.image-source a, .hero-visual figcaption a, .product-image figcaption a { text-decoration: underline; text-decoration-color: #756553; text-underline-offset: 3px; }
.hero-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 9px 28px; padding-bottom: 24px; }
.hero-meta > *, .hero-meta p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.8; }
.hero-meta a { color: var(--accent); }
.facts, .facts > dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.facts { padding: 25px 0 28px; border-top: 1px solid var(--line); }
.facts > dl { grid-column: 1 / -1; }
.facts div { min-width: 0; }
.facts dt { color: var(--muted); font-size: 11px; line-height: 1.7; }
.facts dd { margin: 7px 0 0; color: var(--ink); font-size: 16px; line-height: 1.6; font-weight: 700; overflow-wrap: anywhere; }
.facts dd small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 400; }
.section-nav { position: sticky; z-index: 20; top: 0; display: flex; gap: 28px; max-width: 100%; min-height: 64px; overflow-x: auto; border-block: 1px solid var(--line); background: var(--bg); scrollbar-width: thin; scrollbar-color: var(--line) transparent; overscroll-behavior-inline: contain; }
.section-nav a { position: relative; display: flex; align-items: center; flex: 0 0 auto; min-height: 62px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.section-nav a::after { position: absolute; inset: auto 0 0; height: 2px; background: var(--accent); opacity: 0; content: ""; }
.section-nav a:hover, .section-nav a[aria-current] { color: var(--accent); }
.section-nav a[aria-current]::after { opacity: 1; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; align-items: start; gap: 64px; min-width: 0; }
.article { min-width: 0; }
.guide-section { padding: 55px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 84px; }
.guide-section:last-child { border-bottom: 0; }
.section-heading { margin-bottom: 29px; }
.section-heading .section-kicker { margin-bottom: 11px; }
.section-heading h2 { margin-bottom: 17px; }
.section-heading > p:last-child { max-width: 65ch; margin-bottom: 0; font-size: 14px; }
.guide-section > p { max-width: 70ch; font-size: 14px; }
.article p a, .source-note a, .release-links a { color: var(--accent); text-decoration: underline; text-decoration-color: #79533d; text-underline-offset: 4px; overflow-wrap: anywhere; }
.article p a:hover, .source-note a:hover, .release-links a:hover { text-decoration-color: var(--accent); }
.release-feature { display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 27px; align-items: start; padding: 26px 0; border-block: 1px solid var(--line); }
.release-date { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 3px 21px 6px 0; border-right: 1px solid var(--line); color: var(--accent); }
.release-date strong { display: block; font-size: 52px; line-height: 1.05; letter-spacing: -2.5px; }
.release-date small { display: block; margin-top: 8px; color: var(--muted); font-size: 10px; line-height: 1.65; letter-spacing: .35px; }
.release-info { min-width: 0; }
.release-info > .status { margin-bottom: 11px; }
.release-info h3 { margin-bottom: 13px; font-size: 24px; }
.release-info p { margin-bottom: 13px; font-size: 14px; }
.release-info p:last-child { margin-bottom: 0; }
.product-image { margin-top: 28px; }
.product-image figure > img, .product-image > img { width: 100%; max-height: 490px; padding: 25px; object-fit: contain; background: var(--mat); }
.product-facts, .product-facts > dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 28px; }
.product-facts { margin-top: 24px; padding: 23px 0; border-block: 1px solid var(--line); }
.product-facts > dl { grid-column: 1 / -1; }
.product-facts div { min-width: 0; }
.product-facts dt { margin-bottom: 5px; color: var(--muted); font-size: 10px; }
.product-facts dd { margin: 0; color: var(--ink); font-size: 13px; line-height: 1.75; overflow-wrap: anywhere; }
.release-links { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 25px; margin-top: 18px; }
.release-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; }
.book-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; margin-top: 31px; }
.book-card { min-width: 0; }
.book-card figure { margin-bottom: 19px; }
.book-card img { width: 100%; aspect-ratio: 2 / 2.82; object-fit: contain; background: var(--mat); }
.book-card h3 { margin-bottom: 11px; font-size: 17px; line-height: 1.5; overflow-wrap: anywhere; }
.book-card p { margin-bottom: 12px; font-size: 12px; line-height: 1.85; }
.book-card .isbn { padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; line-height: 1.7; overflow-wrap: anywhere; }
.book-card .source-note { font-size: 10px; }
.book-contents { margin-top: 17px; border-block: 1px solid var(--line); }
.book-contents summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 48px; padding: 11px 0; color: var(--accent); font-size: 12px; line-height: 1.6; cursor: pointer; list-style: none; }
.book-contents summary::-webkit-details-marker { display: none; }
.book-contents summary > span { font-size: 19px; }
.book-contents[open] summary > span { transform: rotate(45deg); }
.book-contents ul { margin: 0 0 18px; padding-left: 17px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.book-contents li { margin-top: 6px; overflow-wrap: anywhere; }
.content-depth { margin-top: 36px; }
.content-depth h3, .guide-section > h3 { margin: 0 0 15px; font-size: 23px; }
.content-depth > p, .shopping-note { max-width: 70ch; font-size: 14px; }
.shopping-note { margin-top: 27px; }
.notice > a { color: var(--accent); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.figure-products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 25px; }
.figure-products > article { min-width: 0; padding-top: 20px; border-top: 1px solid var(--line); }
.figure-products h4 { margin: 0 0 10px; font-size: 17px; line-height: 1.6; }
.figure-products p { font-size: 13px; }
.figure-products .original-product-name { font-size: 11px; overflow-wrap: anywhere; }
.dispatch-table { width: 100%; margin-top: 25px; border-collapse: collapse; text-align: left; font-size: 12px; line-height: 1.85; }
.dispatch-table th, .dispatch-table td { padding: 16px 14px 16px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.dispatch-table thead th { color: var(--muted); font-size: 11px; }
.dispatch-table tbody th { width: 23%; font-weight: 400; }
.dispatch-table td { color: var(--muted); }
.book-buy { display: inline-flex; align-items: center; justify-self: start; min-height: 44px; padding-block: 9px; color: var(--accent); font-size: 12px; line-height: 1.7; text-decoration: underline; text-decoration-color: #79533d; text-underline-offset: 4px; }
.book-buy:hover { text-decoration-color: var(--accent); }
.product-list { margin: 25px 0; }
.product-row { display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 27px; align-items: start; padding: 23px 0; border-top: 1px solid var(--line); }
.product-row:last-child { border-bottom: 1px solid var(--line); }
.product-row > div { min-width: 0; }
.product-row h3 { margin-bottom: 10px; font-size: 19px; }
.product-row p { margin-bottom: 0; font-size: 13px; }
.status { display: inline-block; justify-self: start; margin-top: 3px; padding: 3px 8px; border: 1px solid #725539; color: #f1c594; font-size: 10px; line-height: 1.65; white-space: nowrap; }
.notice { margin: 27px 0 0; padding: 22px 24px; border-left: 2px solid var(--accent); background: var(--accent-soft); }
.notice h3 { margin-bottom: 10px; font-size: 17px; }
.notice p { margin-bottom: 12px; font-size: 13px; }
.notice p:last-child { margin-bottom: 0; }
.timeline ol, ol.timeline { padding: 0; margin: 28px 0 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 23px; padding: 24px 0; border-top: 1px solid var(--line); }
.timeline time { padding-top: 4px; color: var(--accent); font-size: 11px; line-height: 1.7; }
.timeline li > div { min-width: 0; }
.timeline h3 { margin-bottom: 9px; font-size: 19px; }
.timeline p { margin-bottom: 0; font-size: 13px; }
.buying-steps ol, ol.buying-steps { padding: 0; margin: 29px 0 0; list-style: none; counter-reset: buying; }
.buying-steps li { position: relative; min-width: 0; padding: 24px 0 24px 54px; border-top: 1px solid var(--line); counter-increment: buying; }
.buying-steps li::before { position: absolute; top: 26px; left: 0; display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border: 1px solid #77543f; color: var(--accent); font-size: 12px; line-height: 1; content: counter(buying, decimal-leading-zero); }
.buying-steps h3 { margin-bottom: 10px; font-size: 19px; }
.buying-steps p { max-width: 65ch; margin-bottom: 0; font-size: 14px; }
.comparison-list { margin-top: 25px; }
.comparison-list dl { margin: 0; }
.comparison-list dl > div, dl.comparison-list > div { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 26px; padding: 20px 0; border-top: 1px solid var(--line); }
.comparison-list dt { color: var(--ink); font-size: 14px; font-weight: 700; line-height: 1.7; }
.comparison-list dd { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.source-note, .guide-section .source-note { margin: 18px 0 0; color: var(--muted); font-size: 11px; line-height: 1.85; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; min-height: 70px; padding: 22px 0; list-style: none; color: var(--ink); font-size: 15px; font-weight: 700; line-height: 1.75; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary > span { flex: 0 0 auto; width: 22px; color: var(--accent); font-size: 23px; line-height: 1; text-align: center; transition: transform .16s ease; }
.faq summary:hover, .faq details[open] > summary { color: var(--accent); }
.faq details[open] > summary > span { transform: rotate(45deg); }
.faq details > p { max-width: 70ch; margin-bottom: 23px; padding-right: 32px; font-size: 14px; }
.source-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; margin-top: 23px; }
.source-list a { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 19px 0; border-top: 1px solid var(--line); }
.source-list strong { font-size: 13px; line-height: 1.7; }
.source-list small { margin-top: 7px; color: var(--muted); font-size: 10px; line-height: 1.8; overflow-wrap: anywhere; }
.related-links { display: flex; flex-direction: column; margin-top: 28px; }
.related-links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 64px; padding: 16px 0; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.7; }
.related-links a strong { min-width: 0; }
.related-links a > span { min-width: 0; max-width: 58%; color: var(--muted); font-size: 11px; }
.related-links a:last-child { border-bottom: 1px solid var(--line); }
.resources { position: sticky; top: 100px; min-width: 0; padding-top: 55px; }
.resources > div { padding: 23px 0; border-top: 2px solid var(--accent); }
.resources .section-kicker { margin-bottom: 13px; font-size: 10px; }
.resources h2 { margin-bottom: 15px; font-size: 23px; line-height: 1.4; letter-spacing: -.35px; }
.resources p { font-size: 12px; line-height: 1.9; }
.resources a { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; min-height: 47px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.7; }
.resources > div > small { display: block; margin-top: 19px; color: var(--muted); font-size: 10px; line-height: 1.85; }
.end-navigation { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 0; border-block: 1px solid var(--line); }
.end-navigation a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; line-height: 1.7; }
body > footer { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 21px 30px; padding-block: 34px; }
body > footer p { margin: 0; font-size: 12px; }
body > footer nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 12px; }
body > footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
body > footer nav [aria-current] { color: var(--accent); }
body > footer > small { grid-column: 1 / -1; color: var(--muted); font-size: 10px; line-height: 1.8; }
.skip { position: absolute; z-index: 50; top: -100px; left: 24px; padding: 12px 18px; background: var(--accent); color: #251a13; font-size: 13px; font-weight: 700; }
.skip:focus { top: 12px; color: #251a13; }
.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; }

@media (max-width: 1100px) and (min-width: 768px) {
  .site-header, body > main, body > footer { padding-inline: 40px; }
  .hero { gap: 32px; }
  .hero-copy h1 { font-size: clamp(46px, 5.3vw, 58px); letter-spacing: -2.8px; }
  .hero-subtitle { font-size: 27px; }
  .book-stack { gap: 10px; padding: 33px 17px 23px; }
  .article-layout { grid-template-columns: minmax(0, 1fr) 218px; gap: 38px; }
  .resources h2 { font-size: 21px; }
  .book-grid { gap: 17px; }
  .book-card h3 { font-size: 15px; }
}

@media (max-width: 1000px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .resources { position: static; padding: 0 0 40px; }
  .resources > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 40px; }
  .resources .section-kicker, .resources h2, .resources p { grid-column: 1; }
  .resources a { grid-column: 2; }
  .resources a:first-of-type { grid-row: 1 / 3; align-self: start; }
  .resources a:nth-of-type(2) { grid-row: 3; align-self: start; }
  .resources a:nth-of-type(3) { grid-row: 4; }
  .resources > div > small { grid-column: 1 / -1; }
}

@media (max-width: 767px) {
  html { scroll-padding-top: 78px; }
  .site-header, body > main, body > footer { padding-inline: 20px; }
  .site-header { min-height: 73px; gap: 16px; }
  .brand { font-size: 27px; }
  .header-nav { gap: 18px; }
  .header-nav a { font-size: 11px; }
  .breadcrumb { gap: 8px; padding-top: 21px; padding-bottom: 9px; font-size: 10px; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 30px; padding: 26px 0 24px; }
  .hero-copy { padding: 0; }
  .eyebrow { margin-bottom: 21px; font-size: 10px; }
  .hero-copy h1 { max-width: 100%; font-size: clamp(44px, 9vw, 66px); letter-spacing: -2.8px; }
  .hero-copy h1 span { white-space: nowrap; }
  :lang(en) .hero-copy h1 span { font-size: .84em; letter-spacing: -.04em; }
  .hero-subtitle { max-width: 26ch; margin-top: 23px; font-size: 27px; }
  .intro { max-width: 60ch; font-size: 14px; }
  .actions { gap: 14px 23px; }
  .actions a { font-size: 12px; }
  .book-stack { gap: 15px; padding: 35px 24px 25px; }
  .hero-visual figure > img { max-height: 420px; padding: 20px; }
  .hero-meta { align-items: flex-start; justify-content: flex-start; gap: 6px 20px; padding-bottom: 23px; }
  .facts, .facts > dl { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 21px 24px; }
  .facts { padding-block: 24px; }
  .facts dt { font-size: 10px; }
  .facts dd { font-size: 14px; }
  .section-nav { gap: 25px; min-height: 59px; }
  .section-nav a { min-height: 57px; font-size: 11px; }
  .guide-section { padding: 40px 0; scroll-margin-top: 77px; }
  .section-heading { margin-bottom: 24px; }
  .section-heading h2 { margin-bottom: 15px; font-size: 29px; }
  .section-heading .section-kicker { font-size: 10px; }
  .section-heading > p:last-child, .guide-section > p { font-size: 13px; }
  .release-feature, .product-row { grid-template-columns: 79px minmax(0, 1fr); gap: 20px; padding-block: 23px; }
  .release-date { padding-right: 17px; }
  .release-date strong { font-size: 43px; }
  .release-date small { font-size: 9px; }
  .release-info h3 { font-size: 21px; }
  .release-info p { font-size: 13px; }
  .product-facts { gap: 20px; }
  .product-facts dd { font-size: 12px; }
  .book-grid { gap: 19px; }
  .book-card h3 { font-size: 16px; }
  .book-card p { font-size: 12px; }
  .timeline li { grid-template-columns: 92px minmax(0, 1fr); gap: 20px; padding-block: 23px; }
  .timeline h3, .buying-steps h3 { font-size: 18px; }
  .timeline p, .buying-steps p { font-size: 13px; }
  .comparison-list dl > div, dl.comparison-list > div { gap: 23px; }
  .faq summary { gap: 18px; min-height: 66px; padding-block: 20px; font-size: 14px; }
  .faq details > p { padding-right: 0; font-size: 13px; }
  .resources { padding-bottom: 32px; }
  .end-navigation { padding-block: 15px; }
  .end-navigation a { font-size: 11px; }
  body > footer { grid-template-columns: auto minmax(0, 1fr); gap: 18px 25px; padding-block: 29px; }
  body > footer p { font-size: 11px; }
  body > footer nav { grid-column: 1 / -1; gap: 25px; }
}

@media (max-width: 640px) {
  .book-card .book-contents { grid-column: 1 / -1; }
  .book-contents ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 24px; }
  .book-contents li { margin-top: 0; }
  .figure-products { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .content-depth > p, .shopping-note { font-size: 13px; }
  .content-depth h3, .guide-section > h3 { font-size: 21px; }
  .dispatch-table, .dispatch-table tbody, .dispatch-table tr, .dispatch-table th, .dispatch-table td { display: block; width: 100%; }
  .dispatch-table thead { display: none; }
  .dispatch-table tr { margin-bottom: 19px; padding-top: 14px; border-top: 1px solid var(--line); }
  .dispatch-table tbody th, .dispatch-table td { width: 100%; display: grid; grid-template-columns: minmax(0, .44fr) minmax(0, 1fr); gap: 18px; padding: 6px 0; border: 0; }
  .dispatch-table th::before, .dispatch-table td::before { content: attr(data-label); color: var(--ink); font-weight: 700; }
  .book-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .book-card { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1fr); gap: 0 22px; align-content: start; }
  .book-card figure { grid-column: 1; grid-row: 1 / 7; margin: 0; }
  .book-card h3, .book-card p, .book-card .book-buy { grid-column: 2; }
  .book-card h3 { margin-top: 3px; font-size: 17px; }
  .book-card p { margin-bottom: 10px; }
  .book-card .source-note { margin-top: 0; }
  .product-row h3 { font-size: 18px; }
  .notice { padding: 20px; }
  .source-list { grid-template-columns: minmax(0, 1fr); }
  .related-links a { flex-direction: column; align-items: flex-start; gap: 5px; padding-block: 17px; }
  .related-links a > span { max-width: none; }
  .resources > div { display: block; }
  .resources p { max-width: 50ch; margin-bottom: 15px; }
}

@media (max-width: 390px) {
  .site-header { gap: 10px; }
  .brand { font-size: 25px; }
  .header-nav { gap: 13px; }
  .header-nav a { font-size: 10px; }
  .hero-copy h1 { font-size: 43px; letter-spacing: -2.3px; }
  .hero-subtitle { font-size: 25px; }
  .actions { gap: 12px 19px; }
  .actions a { min-height: 49px; font-size: 12px; }
  .button { padding-inline: 17px; }
  .book-stack { gap: 9px; padding: 29px 16px 20px; }
  .book-stack img:nth-child(2) { transform: translateY(-7px); }
  .facts { gap: 20px; }
  .facts dd { font-size: 13px; }
  .section-heading h2 { font-size: 27px; }
  .release-feature, .product-row { grid-template-columns: 66px minmax(0, 1fr); gap: 16px; }
  .release-date { padding-right: 12px; }
  .release-date strong { font-size: 38px; }
  .release-info h3 { font-size: 19px; }
  .book-card { grid-template-columns: minmax(0, .7fr) minmax(0, 1fr); gap: 0 17px; }
  .book-card h3 { font-size: 15px; }
  .book-card p { font-size: 11px; }
  .book-card .isbn, .book-card .source-note { font-size: 9px; }
  .product-facts, .product-facts > dl { grid-template-columns: minmax(0, 1fr); gap: 17px; }
  .timeline li { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .timeline time { padding-top: 0; }
  .buying-steps li { padding-left: 43px; }
  .buying-steps li::before { width: 27px; height: 28px; font-size: 11px; }
  .comparison-list dl > div, dl.comparison-list > div { grid-template-columns: minmax(0, 1fr); gap: 7px; }
  .end-navigation { align-items: flex-start; gap: 18px; }
  body > footer { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  body > footer nav { gap: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}