:root {
  --paper: #f1eee7;
  --paper-2: #e8e2d8;
  --ink: #1c1b18;
  --muted: #6d6962;
  --line: rgba(28, 27, 24, 0.18);
  --accent: #c95d34;
  --accent-dark: #9d4021;
  --olive: #56604d;
  --white: #fffdfa;
  --pad: clamp(24px, 4.8vw, 72px);
  --space-section: clamp(76px, 8vw, 124px);
  --serif: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--accent) var(--paper-2); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; text-wrap: pretty; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.03em; text-wrap: balance; }
h1 { font-size: clamp(3.3rem, 6vw, 6rem); line-height: .94; }
h2 { font-size: clamp(2.4rem, 4.4vw, 4.6rem); line-height: 1; }
h3 { font-weight: 500; }
p { color: var(--muted); }
::selection { background: rgba(201,93,52,.25); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.arrow-icon { display: block; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }

.skip-link { position: fixed; z-index: 200; top: 8px; left: 8px; padding: 10px 14px; background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.section-pad { padding: var(--space-section) var(--pad); }
.section-line { border-top: 1px solid var(--line); }
.eyebrow { margin: 0 0 24px; color: var(--ink); font-size: .69rem; font-weight: 700; letter-spacing: .16em; line-height: 1.4; text-transform: uppercase; }
.muted { color: var(--muted); font-size: .88rem; }

.site-header { position: relative; z-index: 100; display: grid; grid-template-columns: auto 1fr auto; align-items: center; min-height: 80px; padding: 0 var(--pad); border-bottom: 1px solid var(--line); background: var(--paper); }
.wordmark { display: inline-flex; align-items: center; width: clamp(128px, 11vw, 164px); }
.wordmark img { width: 100%; height: auto; object-fit: contain; }
.mark { position: relative; display: grid; place-items: center; width: 30px; height: 30px; border: 0; font-family: var(--serif); font-size: 1.2rem; font-weight: 400; letter-spacing: 0; }
.mark::before { content: ""; position: absolute; inset: 3px; border: 1px solid currentColor; transform: rotate(45deg); }
.wordmark .mark { line-height: 1; }
.wordmark .mark { text-indent: 1px; }
.primary-nav { display: flex; justify-content: center; gap: clamp(16px, 2.4vw, 36px); font-size: .72rem; font-weight: 600; letter-spacing: .03em; }
.primary-nav a { position: relative; padding: 30px 0; white-space: nowrap; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: 23px; left: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .32s ease; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; gap: 22px; }
.language { display: flex; align-items: center; gap: 7px; }
.language button { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; padding: 4px; border: 0; background: transparent; color: var(--muted); font-size: .68rem; font-weight: 700; }
.language button.active { color: var(--ink); }
.language i { width: 1px; height: 12px; background: var(--line); }
.menu-toggle { display: none; min-height: 44px; }

.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 52px; padding: 0 24px; border: 1px solid currentColor; font-size: .75rem; font-weight: 650; letter-spacing: .02em; transition: background .28s ease, border-color .28s ease, color .28s ease; }
.button span + span, .button > span[aria-hidden] { font-size: 1rem; }
.button > span:last-child, .button > i { font-style: normal; transition: transform .28s ease; }
.button:hover > span:last-child, .button:hover > i { transform: translateX(3px); }
.button-dark { background: var(--ink); color: var(--white); border-color: var(--ink); }
.button-dark:hover { background: var(--accent); border-color: var(--accent); }
.button-accent { background: var(--accent); color: var(--white); border-color: var(--accent); }
.button-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button-light { color: var(--white); border-color: rgba(255,255,255,.45); }
.button-light:hover { background: var(--white); color: var(--ink); }
.button-ghost { border-color: var(--line); }
.button-ghost:hover { background: var(--ink); color: var(--white); }
.header-cta { min-height: 44px; padding: 0 15px; font-size: .64rem; }
.text-link { display: inline-flex; align-items: center; gap: 10px; width: fit-content; min-height: 44px; padding: 7px 0 4px; border-bottom: 1px solid currentColor; color: var(--ink); font-size: .78rem; font-weight: 650; letter-spacing: .01em; }
.text-link span { transition: transform .25s; }
.text-link:hover span { transform: translateX(3px); }

.home-hero { position: relative; display: grid; min-height: calc(100vh - 80px); overflow: hidden; border-bottom: 1px solid rgba(255,255,255,.18); background: #25241f; color: var(--white); }
.home-hero > * { grid-area: 1 / 1; }
.hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; min-height: calc(100vh - 80px); padding: clamp(112px, 14vh, 176px) var(--pad) clamp(72px, 10vh, 120px); }
.hero-copy { animation: hero-copy-in .9s .16s cubic-bezier(.22,.61,.36,1) both; }
.hero-copy h1 { max-width: 12ch; margin: 0 0 32px; color: var(--white); font-size: clamp(3.8rem, 6.2vw, 5.8rem); line-height: .94; }
.hero-copy > p { max-width: 610px; margin-bottom: 40px; color: rgba(255,253,250,.8); font-size: clamp(1rem, 1.15vw, 1.13rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions .button-ghost { border-color: rgba(255,255,255,.48); color: var(--white); }
.hero-actions .button-ghost:hover { border-color: var(--white); background: var(--white); color: var(--ink); }
.hero-art { position: relative; z-index: 0; overflow: hidden; min-height: calc(100vh - 80px); background: #25241f; }
.hero-factory { position: absolute; inset: 0; }
.hero-factory::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,17,14,.86) 0%, rgba(18,17,14,.62) 37%, rgba(18,17,14,.16) 72%), linear-gradient(0deg, rgba(18,17,14,.72) 0%, rgba(18,17,14,.08) 62%); }
.hero-factory img { object-position: center 48%; filter: saturate(.76) contrast(1.04); animation: hero-image-in 1.5s cubic-bezier(.16,1,.3,1) both; }
html[lang="zh-CN"] .hero-copy h1 { max-width: 7em; font-size: clamp(3.9rem, 6vw, 5.6rem); line-height: 1; }

@keyframes hero-image-in { from { opacity: .45; transform: scale(1.055); } to { opacity: 1; transform: scale(1); } }
@keyframes hero-copy-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.positioning { display: grid; grid-template-columns: 1.25fr .75fr; gap: 8vw; align-items: end; }
.positioning h2 { max-width: 12ch; margin-bottom: 0; }
.positioning-copy p { max-width: 570px; margin-bottom: 30px; font-size: 1.05rem; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 48px; align-items: end; margin-bottom: 64px; }
.section-head > div > h2 { max-width: 13ch; margin-bottom: 22px; }
.section-head > div > p { max-width: 620px; margin-bottom: 0; }
.section-head > .text-link { margin-bottom: 8px; }

.category-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.category-card { border-top: 1px solid var(--line); }
.category-card:nth-child(1), .category-card:nth-child(4) { grid-column: span 7; }
.category-card:nth-child(2), .category-card:nth-child(3) { grid-column: span 5; }
.category-card:nth-child(2), .category-card:nth-child(4) { margin-top: 0; }
.category-card .image-wrap { position: relative; overflow: hidden; aspect-ratio: 1.45; margin-top: 18px; background: var(--white); }
.category-card img { transition: transform .7s cubic-bezier(.22,.61,.36,1); }
.category-card:hover img { transform: scale(1.025); }
.card-meta { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start; padding: 22px 0 0; }
.card-meta h3 { margin: 0 0 8px; font-family: var(--serif); font-size: clamp(1.7rem, 2.4vw, 2.7rem); font-weight: 400; }
.card-meta p { max-width: 450px; margin: 0; font-size: .88rem; }
.card-meta b { display: inline-flex; font-size: 1.2rem; font-weight: 400; transition: transform .28s ease; }
.category-card:hover .card-meta b, .capability-index-row:hover > b, .capability-mini:hover > b { transform: translateX(3px); }

.craft-preview { display: grid; grid-template-columns: 1fr 1fr; min-height: 760px; padding: 0; background: var(--ink); color: var(--white); }
.craft-image { position: relative; min-height: 680px; }
.craft-image img { object-position: center 42%; }
.craft-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(70px, 9vw, 150px); }
.craft-copy .eyebrow, .craft-copy p { color: #c8c2b8; }
.craft-copy h2 { max-width: 10ch; }
.craft-copy p { max-width: 530px; margin-bottom: 35px; }

.numbers { background: var(--paper-2); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { display: flex; flex-direction: column; min-height: 210px; padding: 26px 20px 22px 0; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; padding-left: 20px; }
.stat:not(:first-child) { padding-left: 20px; }
.stat strong { margin: auto 0 20px; font-family: var(--serif); font-size: clamp(2.5rem, 4vw, 5rem); font-weight: 400; line-height: .95; letter-spacing: -.04em; }
.stat span { max-width: 160px; color: var(--muted); font-size: .69rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.stat-note { margin: 16px 0 0; font-size: .72rem; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card { display: block; }
.product-image { position: relative; overflow: hidden; aspect-ratio: .86; background: var(--white); }
.product-image img { object-fit: contain; padding: 14px; transition: transform .55s; }
.product-card:hover img { transform: scale(1.025); }
.product-image > span { position: absolute; top: 14px; left: 14px; padding: 7px 9px; background: var(--ink); color: var(--white); font-size: .65rem; letter-spacing: .1em; }
.product-card > div:last-child { padding: 18px 0 0; }
.product-card p { margin: 0 0 4px; font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.product-card h3 { min-height: 52px; margin: 0 0 15px; font-family: var(--serif); font-size: 1.45rem; font-weight: 400; line-height: 1.12; }
.product-card b { font-size: .7rem; letter-spacing: .05em; text-transform: uppercase; }

.home-product-index { border-top: 1px solid var(--line); }
.home-product-row { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; min-height: 132px; padding: 24px 0; border-bottom: 1px solid var(--line); transition: color .25s ease; }
.home-product-row:hover { color: var(--accent-dark); }
.home-product-row p { margin: 0 0 8px; font-size: .66rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.home-product-row h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.8rem, 3.3vw, 4rem); font-weight: 400; line-height: 1; }
.home-product-row > b { display: inline-flex; align-items: center; gap: 9px; font-size: .72rem; letter-spacing: .02em; }

.process-preview { display: flex; flex-direction: column; align-items: flex-start; background: var(--white); }
.process-preview > div:first-child { width: 100%; }
.process-list { display: grid; grid-template-columns: 1fr; }
.process-list.compact { grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.process-step { display: grid; grid-template-columns: 70px minmax(180px, .75fr) 1fr; gap: 30px; min-height: 160px; padding: 34px 0; border-top: 1px solid var(--line); }
.process-list.compact .process-step { display: block; min-height: 240px; padding: 26px 28px 30px 0; border-top: 0; border-right: 1px solid var(--line); }
.process-list.compact .process-step:nth-child(3n+2), .process-list.compact .process-step:nth-child(3n+3) { padding-left: 28px; }
.process-list.compact .process-step:nth-child(3n) { border-right: 0; }
.process-list.compact .process-step:nth-child(n+4) { border-top: 1px solid var(--line); }
.process-step > span { color: var(--accent); font-size: .72rem; font-weight: 700; }
.process-step h3 { margin: 0; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.process-step p { max-width: 560px; margin: 0; }
.process-list.compact h3 { min-height: 64px; margin: 34px 0 24px; }
.process-list.compact p { font-size: .87rem; }
.process-preview > .button { margin-top: 48px; }

.quality-preview { display: grid; grid-template-columns: 1.1fr .9fr; gap: 7vw; align-items: center; background: var(--paper-2); color: var(--ink); }
.quality-photo { position: relative; aspect-ratio: .95; overflow: hidden; }
.quality-photo img { filter: saturate(.75); }
.quality-photo span { position: absolute; right: 16px; bottom: 16px; padding: 8px 10px; background: var(--paper); color: var(--ink); font-size: .64rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.quality-copy p { color: var(--muted); }
.quality-copy h2 { max-width: 10ch; }
.quality-copy p { max-width: 540px; }
.quality-copy .text-link { color: var(--ink); }

.case-feature { display: grid; grid-template-columns: .9fr 1.1fr; padding: 0; background: var(--white); color: var(--ink); }
.case-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: var(--pad); }
.case-copy p { color: var(--muted); }
.case-copy h2 { max-width: 9ch; }
.case-copy p { max-width: 530px; }
.case-image { position: relative; min-height: 760px; background: #d8d0c3; }
.case-image img { object-fit: contain; padding: clamp(24px, 4vw, 64px); }

.cta-band { display: flex; justify-content: space-between; align-items: flex-end; gap: 50px; padding: clamp(78px, 10vw, 148px) var(--pad); border-top: 1px solid var(--line); }
.cta-band h2 { max-width: 12ch; margin-bottom: 18px; }
.cta-band p { max-width: 620px; margin-bottom: 0; }
.cta-band .button { flex: 0 0 auto; }

.page-hero { display: grid; grid-template-columns: 1fr; min-height: 560px; border-bottom: 1px solid var(--line); }
.page-hero.with-visual { grid-template-columns: .88fr 1.12fr; min-height: calc(100vh - 80px); }
.page-hero-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(70px, 10vw, 150px) var(--pad); }
.page-hero-copy h1 { max-width: 8.7ch; margin-bottom: 40px; font-size: clamp(4rem, 7.15vw, 8.2rem); }
.page-hero-copy p { max-width: 580px; margin-bottom: 0; font-size: 1.03rem; }
.page-hero-visual { min-height: 620px; background: var(--white); }
.page-hero-visual img { object-fit: contain; padding: clamp(20px, 4vw, 70px); }
.page-hero-visual img[src*="/ai/"] { object-fit: cover; padding: 0; filter: saturate(.84) contrast(.98); }
.page-hero-visual .quality-hero-image { object-fit: cover; object-position: 58% center; padding: 0; filter: saturate(.82) contrast(.98); }
html[lang="zh-CN"] .page-hero-copy h1 { max-width: 7em; font-size: clamp(3.6rem, 5.7vw, 6.8rem); line-height: 1; letter-spacing: -.055em; }

.editorial-split { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.editorial-split h2 { max-width: 11ch; margin-bottom: 0; }
.editorial-split > div:last-child { align-self: end; }
.editorial-split p { max-width: 600px; font-size: 1.03rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0; }
.tag-list span { padding: 9px 12px; border: 1px solid var(--line); font-size: .72rem; }
.capability-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.capability-mini { position: relative; min-height: 300px; padding: 32px; border: 1px solid var(--line); transition: background .28s ease, border-color .28s ease; }
.capability-mini h3 { margin: 4px 0 20px; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.capability-mini p { max-width: 340px; }
.capability-mini b { position: absolute; right: 24px; bottom: 22px; display: inline-flex; font-size: 1.2rem; font-weight: 400; }
.capability-mini:hover { border-color: var(--ink); background: var(--paper-2); }

.product-detail-hero { display: grid; grid-template-columns: .82fr 1.18fr; min-height: calc(100vh - 88px); }
.product-detail-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: var(--pad); }
.product-detail-copy h1 { max-width: 9ch; margin-bottom: 32px; font-size: clamp(3.7rem, 6.5vw, 7.5rem); }
.product-detail-copy p { max-width: 570px; margin-bottom: 34px; }
.product-detail-image { background: var(--white); }
.product-detail-image img { object-fit: contain; padding: clamp(20px, 5vw, 90px); }
.product-facts, .case-facts { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; }
.product-facts h2, .case-facts h2 { max-width: 11ch; }
.fact-row { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; padding: 24px 0; border-top: 1px solid var(--line); }
.fact-row span { color: var(--muted); font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.fact-row strong { font-weight: 500; }
.detail-gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.detail-gallery figure { position: relative; grid-column: span 6; min-height: 620px; margin: 0; overflow: hidden; background: var(--white); }
.detail-gallery figure.wide { grid-column: span 12; aspect-ratio: 1.85; }
.detail-gallery img { object-fit: contain; padding: clamp(16px, 3vw, 48px); }
.detail-gallery figcaption { position: absolute; right: 14px; bottom: 12px; color: var(--muted); font-size: .7rem; font-weight: 700; }

.capability-index { padding-top: 0; }
.capability-index-row { display: grid; grid-template-columns: minmax(280px, .9fr) minmax(390px, 1.1fr) 32px; gap: clamp(22px, 3vw, 54px); align-items: center; padding: clamp(34px, 4vw, 58px) 0; border-top: 1px solid var(--line); }
.capability-index-row h2 { margin: 0 0 16px; font-size: clamp(2.5rem, 3.7vw, 4.6rem); }
.capability-index-row p { max-width: 540px; margin: 0; }
.cap-thumb { overflow: hidden; width: 100%; aspect-ratio: 3 / 2; background: #d8d3ca; }
.cap-thumb img { object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.capability-index-row:hover .cap-thumb img { transform: scale(1.035); }
.capability-index-row > b { display: inline-flex; font-size: 1.25rem; font-weight: 400; }
.sampling-note { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; background: var(--ink); color: var(--white); }
.sampling-note .eyebrow, .sampling-note p { color: #bbb7b0; }
.sampling-note h2 { max-width: 10ch; }
.sampling-note > div:last-child { align-self: end; }
.sampling-note p { max-width: 600px; margin-bottom: 28px; }
.capability-detail-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 8vw; }
.capability-detail-grid h2 { max-width: 10ch; }
.big-tag-list { border-top: 1px solid var(--line); }
.big-tag-list > div { display: grid; grid-template-columns: 60px 1fr; padding: 22px 0; border-bottom: 1px solid var(--line); }
.big-tag-list span { color: var(--accent); font-size: .7rem; font-weight: 700; }
.big-tag-list strong { font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 3.3rem); font-weight: 400; }
.considerations { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; background: var(--paper-2); }
.considerations h2 { max-width: 10ch; }
.considerations article { display: grid; grid-template-columns: 60px 1fr; gap: 10px; padding: 25px 0; border-top: 1px solid var(--line); }
.considerations article span { color: var(--accent); font-size: .7rem; font-weight: 700; }
.considerations article p { max-width: 650px; margin: 0; font-size: 1.05rem; }

.factory-hero { position: relative; min-height: calc(100vh - 88px); overflow: hidden; background: #1c1b18; color: var(--white); }
.factory-hero-media { position: absolute; inset: 0; }
.factory-hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,19,16,.82) 0%, rgba(20,19,16,.46) 42%, rgba(20,19,16,.08) 74%), linear-gradient(0deg, rgba(20,19,16,.35), transparent 45%); }
.factory-hero-media img { filter: saturate(.78) contrast(1.03); }
.factory-hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; min-height: calc(100vh - 88px); padding: clamp(90px, 11vw, 170px) var(--pad); }
.factory-hero-copy .eyebrow, .factory-hero-copy p { color: #d0ccc3; }
.factory-hero-copy h1 { max-width: 8ch; margin-bottom: 34px; font-size: clamp(4rem, 8vw, 9rem); }
.factory-hero-copy p { max-width: 560px; font-size: 1.04rem; }
.factory-atmosphere { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 760px; background: var(--ink); color: var(--white); }
.factory-atmosphere-image { position: relative; min-height: 700px; }
.factory-atmosphere-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(70px, 8vw, 140px); }
.factory-atmosphere-copy .eyebrow, .factory-atmosphere-copy p { color: #c7c3bb; }
.factory-atmosphere-copy h2 { max-width: 9ch; }
.factory-atmosphere-copy p { max-width: 540px; }
.factory-evidence { padding-top: clamp(90px, 10vw, 150px); }
.factory-evidence-group { display: grid; grid-template-columns: minmax(220px, .34fr) minmax(0, 1fr); gap: clamp(30px, 6vw, 100px); padding: clamp(50px, 7vw, 100px) 0; border-top: 1px solid var(--line); }
.factory-evidence-heading > span { color: var(--accent); font-size: .7rem; font-weight: 700; }
.factory-evidence-heading h3 { max-width: 10ch; margin: 28px 0 18px; font-family: var(--serif); font-size: clamp(2rem, 3.2vw, 3.7rem); font-weight: 400; line-height: 1; }
.factory-evidence-heading p { max-width: 330px; font-size: .87rem; }
.factory-evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(30px, 3vw, 48px) 20px; align-items: start; }
.factory-evidence-grid.count-3 figure:first-child { grid-column: span 2; }
.factory-evidence-grid figure { display: grid; grid-template-rows: auto auto; min-width: 0; margin: 0; align-self: start; }
.factory-evidence-grid img { height: auto; aspect-ratio: 1.35; filter: saturate(.7) contrast(.98) sepia(.06); }
.factory-evidence-grid.count-3 figure:first-child img { aspect-ratio: 2.05; }
.factory-evidence-grid figcaption { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 12px; align-items: baseline; padding-top: 14px; }
.factory-evidence-grid figcaption span { color: var(--accent); font-size: .68rem; font-weight: 700; }
.factory-evidence-grid figcaption b { font-size: .74rem; font-weight: 600; }
.factory-evidence-grid figcaption em { color: var(--muted); font-size: .58rem; font-style: normal; letter-spacing: .06em; text-transform: uppercase; }

.quality-list { border-top: 1px solid var(--line); }
.quality-row { display: grid; grid-template-columns: 70px .8fr 1.2fr; gap: 30px; padding: 35px 0; border-bottom: 1px solid var(--line); }
.quality-row > span { color: var(--accent); font-size: .72rem; font-weight: 700; }
.quality-row h3 { margin: 0; font-family: var(--serif); font-size: 1.8rem; font-weight: 400; }
.quality-row p { max-width: 650px; margin: 0; }
.quality-boundary { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; background: var(--olive); color: var(--white); }
.quality-boundary .eyebrow, .quality-boundary p { color: #d5d8d0; }
.quality-boundary h2 { max-width: 10ch; }
.quality-boundary p { max-width: 670px; font-size: 1.04rem; }

.timeline-detail { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; background: var(--paper-2); }
.timeline-detail h2 { max-width: 10ch; }
.timeline-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.timeline-cards article { min-height: 340px; padding: 30px; border: 1px solid var(--line); }
.timeline-cards span { display: block; margin-bottom: 90px; font-family: var(--serif); font-size: clamp(3rem, 5vw, 6rem); line-height: .9; }
.timeline-cards h3 { font-family: var(--serif); font-size: 1.5rem; font-weight: 400; }

.case-list-item { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 660px; background: var(--white); }
.case-list-item > div:first-child { padding: 40px; }
.case-list-item > div:first-child img { object-fit: contain; }
.case-list-item > div:last-child { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(72px, 8vw, 128px); background: var(--ink); color: var(--white); }
.case-list-item .eyebrow, .case-list-item p { color: #c1bdb5; }
.case-list-item h2 { max-width: 10ch; }
.case-list-item p { max-width: 520px; }
.case-list-item > div:last-child > span { display: inline-flex; align-items: center; gap: 9px; margin-top: 20px; padding-bottom: 6px; border-bottom: 1px solid; font-size: .74rem; font-weight: 650; letter-spacing: .01em; }
.empty-case-note { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; border-top: 1px solid var(--line); }
.empty-case-note h2 { max-width: 11ch; }
.empty-case-note > p { max-width: 620px; align-self: end; }

.story { display: grid; grid-template-columns: .75fr 1.25fr; gap: 8vw; }
.story-year span { display: block; font-family: var(--serif); font-size: clamp(6rem, 14vw, 14rem); line-height: .75; letter-spacing: -.07em; color: var(--accent); }
.story-year p { margin-top: 30px; text-transform: uppercase; font-size: .72rem; font-weight: 700; letter-spacing: .1em; }
.story-copy h2 { max-width: 11ch; }
.story-copy p { max-width: 720px; font-size: 1.08rem; }
.belief { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; background: var(--ink); color: var(--white); }
.belief .eyebrow, .belief p { color: #bebbb4; }
.belief h2 { max-width: 11ch; }
.belief p { max-width: 650px; align-self: end; font-size: 1.06rem; }
.location-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: 8vw; align-items: center; }
.location-panel > div:first-child { min-height: 640px; }
.location-panel > div:first-child img, .page-hero-visual img[src*="factory-"] { filter: saturate(.72) contrast(.98) sepia(.055); }
.location-panel h2 { max-width: 10ch; }
.location-panel p { max-width: 520px; }

.contact-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 7vw; padding-top: 70px; }
.inquiry-form { min-width: 0; }
.honeypot { position: absolute; left: -9999px; }
.form-heading { display: grid; grid-template-columns: 50px 1fr; align-items: baseline; margin: 18px 0 28px; padding-top: 34px; border-top: 1px solid var(--line); }
.form-heading span { color: var(--accent); font-size: .7rem; font-weight: 700; }
.form-heading h2 { margin: 0; font-size: clamp(2rem, 3vw, 3.2rem); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 18px; }
.inquiry-form label > span { display: block; margin-bottom: 8px; font-size: .69rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 0; background: rgba(255,255,255,.45); outline: none; transition: border-color .2s, background .2s; }
.inquiry-form input, .inquiry-form select { min-height: 54px; padding: 0 14px; }
.inquiry-form textarea { resize: vertical; padding: 14px; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--accent); background: var(--white); }
.inquiry-form .invalid { border-color: #a52121; }
.full-field { display: block; margin-top: 20px; }
.file-field { display: block; margin-top: 20px; padding: 25px; border: 1px dashed var(--line); }
.file-field input { padding: 13px 0; border: 0; background: transparent; }
.file-field b { display: block; color: var(--muted); font-size: .7rem; font-weight: 400; }
.consent { display: flex; gap: 12px; align-items: flex-start; margin: 24px 0; }
.consent input { flex: 0 0 18px; width: 18px; min-height: 18px; margin-top: 2px; }
.consent span { margin: 0 !important; font-size: .75rem !important; font-weight: 400 !important; letter-spacing: 0 !important; text-transform: none !important; }
.submit-button { min-width: 230px; border: 0; }
.submit-button:disabled { opacity: .6; cursor: wait; }
.form-status { min-height: 50px; margin-top: 18px; padding: 13px 0; font-size: .82rem; }
.form-status.error { color: #9e2424; }
.form-status.success { color: #35642d; }
.form-status.fallback { color: var(--accent-dark); }
.contact-aside { position: sticky; top: 30px; align-self: start; }
.contact-aside > div:first-child { padding: clamp(30px, 4vw, 56px); background: var(--ink); color: var(--white); }
.contact-aside .eyebrow { color: #c4c1ba; }
.contact-aside h2 { max-width: 8ch; font-size: clamp(2.3rem, 4vw, 4.4rem); }
.contact-aside a, .contact-disabled { display: flex; flex-direction: column; gap: 5px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.18); }
.contact-aside a span, .contact-disabled span { color: #aaa69e; font-size: .65rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.contact-aside a b, .contact-disabled b { font-weight: 500; overflow-wrap: anywhere; }
.contact-disabled { opacity: .65; }
.contact-disabled small { color: #aaa69e; }
.aside-note { display: flex; flex-direction: column; gap: 5px; padding: 24px 0; color: var(--muted); font-size: .78rem; }
.aside-note p { margin-top: 14px; font-size: .72rem; }

.legal-page { max-width: 900px; }
.legal-page h2 { margin: 60px 0 18px; font-size: 2.1rem; }
.legal-page h2:first-child { margin-top: 0; }
.legal-page p { max-width: 760px; font-size: 1rem; }
.legal-page a { border-bottom: 1px solid; color: var(--ink); }
.not-found { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-height: 70vh; padding: var(--pad); }
.not-found > span { color: var(--accent); font-size: .8rem; font-weight: 700; letter-spacing: .1em; }
.not-found h1 { max-width: 10ch; margin: 30px 0; }

.site-footer { padding: var(--pad); background: #171714; color: var(--white); }
.footer-lead { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; padding-bottom: 96px; border-bottom: 1px solid rgba(255,255,255,.16); }
.footer-lead .eyebrow { color: #a8a49d; }
.footer-lead h2 { max-width: 13ch; margin: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 7vw; padding: 72px 0 80px; }
.footer-grid p { max-width: 330px; margin-top: 30px; color: #99968f; font-size: .82rem; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-grid h3 { margin-bottom: 14px; color: #8e8b85; font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid a, .footer-grid span { color: #d6d3cd; font-size: .8rem; overflow-wrap: anywhere; }
.footer-grid a:hover { color: var(--white); }
.wordmark-light { color: var(--white); }
.wordmark-light { width: 178px; }
.footer-bottom { display: grid; grid-template-columns: 1fr 1fr auto; gap: 30px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.16); color: #77746f; font-size: .65rem; }
.footer-bottom > span:last-child { display: flex; gap: 18px; }
.floating-contact { position: fixed; z-index: 90; right: 18px; bottom: 18px; display: none; align-items: center; justify-content: space-between; gap: 24px; min-width: 126px; padding: 12px 15px; background: var(--accent); color: var(--white); box-shadow: 0 12px 30px rgba(0,0,0,.18); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

.reveal, .reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  .site-header { grid-template-columns: auto 1fr auto; }
  .primary-nav { position: absolute; top: 80px; left: 0; z-index: 95; display: none; flex-direction: column; justify-content: flex-start; gap: 0; width: 100vw; height: calc(100vh - 80px); padding: 40px var(--pad); background: var(--paper); overflow: auto; }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 18px 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 2rem; font-weight: 400; }
  .primary-nav a::after { display: none; }
  .menu-toggle { display: flex; grid-column: 2; justify-self: center; flex-direction: column; gap: 4px; width: 58px; padding: 10px; border: 0; background: transparent; }
  .menu-toggle span { display: block; height: 1px; background: var(--ink); }
  .menu-toggle b { position: absolute; left: -9999px; }
  .header-cta { display: none; }
  .home-hero { min-height: calc(100vh - 80px); }
  .hero-product { right: 2vw; min-width: 250px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); row-gap: 46px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(3) { border-right: 0; }
  .stat:nth-child(n+4) { border-top: 1px solid var(--line); }
  .process-list.compact { grid-template-columns: repeat(2, 1fr); }
  .process-list.compact .process-step:nth-child(3n) { border-right: 1px solid var(--line); }
  .process-list.compact .process-step:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--line); }
  .process-list.compact .process-step:nth-child(even) { padding-left: 28px; border-right: 0; }
  .process-list.compact .process-step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .page-hero.with-visual { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); gap: 3vw; }
}

@media (max-width: 820px) {
  :root { --pad: 22px; --space-section: 80px; }
  h1 { font-size: clamp(3rem, 14vw, 5.4rem); }
  h2 { font-size: clamp(2.35rem, 10vw, 4.2rem); }
  .site-header { min-height: 72px; }
  .wordmark { width: 132px; }
  .primary-nav { top: 72px; height: calc(100vh - 72px); }
  .header-actions { gap: 0; }
  .language { gap: 0; }
  .wordmark { font-size: .8rem; }
  .mark { width: 27px; height: 27px; }
  .home-hero { display: grid; min-height: calc(100svh - 72px); }
  .hero-copy { min-height: calc(100svh - 72px); padding: 104px var(--pad) 64px; }
  .hero-copy h1 { max-width: 10ch; font-size: clamp(3.4rem, 14.5vw, 5.2rem); }
  .hero-copy > p { max-width: 520px; }
  .hero-art { min-height: calc(100svh - 72px); }
  .hero-factory img { object-position: 63% center; }
  .hero-factory::after { background: linear-gradient(90deg, rgba(18,17,14,.78), rgba(18,17,14,.24)), linear-gradient(0deg, rgba(18,17,14,.88) 0%, rgba(18,17,14,.22) 70%); }
  .hero-product { right: 18px; bottom: 18px; width: 54%; min-width: 220px; }
  .hero-label { top: 18px; left: 18px; }
  .positioning, .editorial-split, .product-facts, .case-facts, .quality-boundary, .timeline-detail, .story, .belief, .sampling-note, .capability-detail-grid, .considerations, .empty-case-note { grid-template-columns: 1fr; gap: 46px; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .category-grid { display: block; }
  .category-card { display: block; margin-bottom: 58px; }
  .category-card:nth-child(1), .category-card:nth-child(2), .category-card:nth-child(3), .category-card:nth-child(4) { margin-top: 0; }
  .category-card .image-wrap { aspect-ratio: 1.15; }
  .craft-preview, .quality-preview, .case-feature, .factory-atmosphere, .page-hero.with-visual, .product-detail-hero, .case-list-item, .location-panel, .contact-layout { grid-template-columns: 1fr; }
  .craft-image, .case-image { min-height: 520px; }
  .craft-copy, .case-copy { padding: 80px var(--pad); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat, .stat:not(:first-child), .stat:last-child { min-height: 170px; padding: 22px 12px; border-right: 1px solid var(--line); border-top: 0; }
  .stat:nth-child(even) { border-right: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .stat strong { font-size: clamp(2.5rem, 10vw, 4rem); }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 14px; row-gap: 40px; }
  .product-card h3 { font-size: 1.2rem; }
  .process-list.compact { grid-template-columns: 1fr; }
  .process-list.compact .process-step, .process-list.compact .process-step:nth-child(odd), .process-list.compact .process-step:nth-child(even) { min-height: 0; padding: 26px 0; border-right: 0; border-top: 1px solid var(--line); }
  .process-list.compact h3 { min-height: 0; margin: 22px 0 12px; }
  .quality-photo { aspect-ratio: .82; }
  .quality-copy { padding: 0 0 30px; }
  .page-hero.with-visual { min-height: 0; }
  .page-hero-copy { min-height: 550px; padding: 74px var(--pad); }
  .page-hero-copy h1 { font-size: clamp(3.65rem, 15vw, 6.6rem); }
  .page-hero-visual { min-height: 480px; }
  .capability-mini-grid { grid-template-columns: 1fr; }
  .product-detail-hero { min-height: 0; }
  .product-detail-copy { min-height: 580px; padding: 70px var(--pad); }
  .product-detail-image { min-height: 520px; }
  .fact-row { grid-template-columns: 1fr; gap: 8px; }
  .detail-gallery figure, .detail-gallery figure.wide { grid-column: span 12; min-height: 460px; aspect-ratio: auto; }
  .capability-index-row { grid-template-columns: minmax(0, 1fr) 24px; gap: 14px; padding: 30px 0 40px; }
  .capability-index-row > div:not(.cap-thumb) { grid-column: 1; grid-row: 1; }
  .capability-index-row h2 { font-size: clamp(2.5rem, 12vw, 4.1rem); }
  .capability-index-row > b { grid-column: 2; grid-row: 1; align-self: start; padding-top: 5px; }
  .cap-thumb { display: block; grid-column: 1 / 3; grid-row: 2; aspect-ratio: 4 / 3; margin-top: 8px; }
  .factory-hero, .factory-hero-copy { min-height: 760px; }
  .factory-hero-media img { object-position: 62% center; }
  .factory-hero-media::after { background: linear-gradient(90deg, rgba(20,19,16,.82), rgba(20,19,16,.28)), linear-gradient(0deg, rgba(20,19,16,.5), transparent 55%); }
  .factory-atmosphere-image { min-height: 620px; }
  .factory-atmosphere-copy { padding: 80px var(--pad); }
  .factory-evidence-group { grid-template-columns: 1fr; gap: 40px; }
  .factory-evidence-heading p { max-width: 560px; }
  .quality-row, .process-step { grid-template-columns: 42px 1fr; gap: 16px; }
  .quality-row p, .process-step p { grid-column: 2; }
  .timeline-cards { grid-template-columns: 1fr; }
  .story-year span { font-size: 32vw; }
  .location-panel > div:first-child { min-height: 470px; }
  .case-list-item { min-height: 0; }
  .case-list-item > div:first-child { min-height: 420px; }
  .case-list-item > div:last-child { padding: 70px var(--pad); }
  .contact-layout { padding-top: 45px; }
  .contact-aside { position: static; }
  .footer-lead { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 55px 30px; }
  .footer-grid > div:first-child { grid-column: span 2; }
  .footer-bottom { grid-template-columns: 1fr; }
  .floating-contact { right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); display: flex; width: 52px; min-width: 52px; height: 52px; padding: 0; gap: 0; border-radius: 50%; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .25s, transform .25s; }
  .floating-contact > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .floating-contact > b { display: grid; place-items: center; }
  .floating-contact.visible { opacity: 1; pointer-events: auto; transform: none; }
}

@media (max-width: 520px) {
  .language button { font-size: .62rem; }
  .menu-toggle { width: 46px; }
  .hero-copy { min-height: calc(100svh - 72px); padding-bottom: 48px; }
  .hero-copy h1 { font-size: clamp(3.2rem, 14.2vw, 4.8rem); }
  html[lang="zh-CN"] .hero-copy h1 { max-width: 7em; font-size: clamp(3.1rem, 13vw, 4.4rem); line-height: 1.02; }
  .page-hero-copy { min-height: 520px; }
  .page-hero-copy h1 { max-width: 9.4ch; font-size: clamp(3.25rem, 14vw, 5.4rem); }
  html[lang="zh-CN"] .page-hero-copy h1 { max-width: 7em; font-size: clamp(3rem, 13.2vw, 4.8rem); line-height: 1.02; }
  .hero-actions { display: grid; grid-template-columns: 1fr; width: 100%; }
  .card-meta { grid-template-columns: 1fr auto; }
  .home-product-row { grid-template-columns: 1fr; gap: 14px; min-height: 132px; }
  .home-product-row > b { grid-column: 1; }
  .factory-hero, .factory-hero-copy { min-height: 690px; }
  .factory-hero-copy h1 { font-size: clamp(3.7rem, 15vw, 6.2rem); }
  .factory-atmosphere-image { min-height: 520px; }
  .factory-evidence-grid { grid-template-columns: 1fr; }
  .factory-evidence-grid.count-3 figure:first-child { grid-column: auto; }
  .factory-evidence-grid img, .factory-evidence-grid.count-3 figure:first-child img { aspect-ratio: 1.08; }
  .factory-evidence-grid { row-gap: 48px; }
  .factory-evidence-grid figcaption { grid-template-columns: 40px minmax(0, 1fr); }
  .factory-evidence-grid figcaption em { grid-column: 2; }
  .product-grid { grid-template-columns: 1fr; }
  .product-image { aspect-ratio: 1.04; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat, .stat:not(:first-child), .stat:last-child { border-right: 0; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: 0; }
  .cta-band { display: block; }
  .cta-band .button { width: 100%; margin-top: 35px; }
  .form-grid { grid-template-columns: 1fr; }
  .consent { min-height: 44px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-lead .button { width: 100%; }
  .footer-grid a { display: inline-flex; align-items: center; min-height: 36px; }
}

@media (max-width: 360px) {
  .page-hero-copy h1 { font-size: clamp(2.85rem, 14vw, 4.8rem); }
  html[lang="zh-CN"] .page-hero-copy h1 { font-size: clamp(2.75rem, 13vw, 4.5rem); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}