:root {
	--ink: #111318;
	--muted: #66717e;
	--line: #dfe4ea;
	--paper: #ffffff;
	--soft: #f4f7fa;
	--denim: #1557a0;
	--denim-dark: #0a2f59;
}

html { scroll-behavior: auto; }
body { color: var(--ink); background: var(--paper); padding-top: 4.5rem; }

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 10000;
	height: 4.5rem;
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	padding: 0 3rem;
	background: rgba(255,255,255,.88);
	backdrop-filter: blur(18px);
	-webkit-backdrop-filter: blur(18px);
	border-bottom: 1px solid rgba(17,19,24,.08);
	transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled { background: rgba(255,255,255,.96); box-shadow: 0 8px 30px rgba(16,36,60,.08); }
.site-header a { border: 0; color: var(--ink); text-decoration: none; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-size: 1rem; font-weight: 800; letter-spacing: .22em; justify-self: start; white-space: nowrap; }
.brand-cn { padding-left: .7rem; border-left: 1px solid rgba(17,19,24,.18); color: #313a45; font-size: 1.3rem; font-weight: 700; letter-spacing: .08em; }
.site-header nav { display: flex; gap: 2.2rem; }
.site-header nav a { font-size: .78rem; font-weight: 600; letter-spacing: .05em; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: .75rem; }
.language-switch { min-width: 2.4rem; padding: .58rem .85rem; text-align: center; background: #e9f3ff; border: 1px solid #cfe3f8 !important; border-radius: 999px; color: var(--denim) !important; font-size: .75rem; font-weight: 800; transition: background .2s ease, color .2s ease; }
.language-switch:hover { background: var(--denim); color: #fff !important; }
.header-contact { background: var(--ink); color: #fff !important; padding: .7rem 1.2rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }

.hero .content { padding-top: 6rem !important; }
.hero h1 { font-size: clamp(3.7rem, 7vw, 7.6rem); line-height: .92; letter-spacing: -.065em; font-weight: 700; margin-bottom: 2rem; }
.hero .major { max-width: 38rem; color: #4f5965; font-size: 1.18rem; }
.hero .image img { object-position: center 42%; }
.eyebrow { color: var(--denim); font-size: .73rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; margin-bottom: 1.15rem; }
.concept-note { margin-top: 2rem; color: #8a929c; font-size: .72rem; }

input[type="submit"].primary, input[type="reset"].primary, input[type="button"].primary, button.primary, .button.primary { background: var(--denim); box-shadow: none; color: #fff !important; }
input[type="submit"].primary:hover, input[type="reset"].primary:hover, input[type="button"].primary:hover, button.primary:hover, .button.primary:hover { background: var(--denim-dark); }
.button { border-color: var(--line) !important; box-shadow: inset 0 0 0 1px var(--line); letter-spacing: .06em; }

.stats-section { border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 3.3rem 2rem !important; }
.stats-grid div { display: flex; flex-direction: column; gap: .3rem; border-right: 1px solid var(--line); }
.stats-grid div:last-child { border: 0; }
.stats-grid strong { font-size: 2.1rem; line-height: 1; }
.stats-grid span { color: var(--muted); font-size: .75rem; letter-spacing: .04em; }

.collection-section { padding: 7rem 3rem 8rem; }
.collection-intro { max-width: 780px; padding-bottom: 3.5rem !important; }
.collection-intro h2, .process-section h2, .contact-section h2, .markets-section h2 { font-size: clamp(2.4rem, 4.5vw, 4.8rem); line-height: 1.03; letter-spacing: -.045em; }
.collection-intro p:last-child { color: var(--muted); max-width: 650px; margin-left: auto; margin-right: auto; }
.collection-grid { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 1rem; text-align: left; }
.collection-card { position: relative; min-height: 34rem; overflow: hidden; background: var(--soft); }
.collection-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; transition: transform .8s cubic-bezier(.2,.75,.25,1); }
.collection-card:hover img { transform: scale(1.035); }
.collection-card:after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(6,17,29,.78)); }
.card-copy { position: absolute; z-index: 1; left: 2rem; right: 2rem; bottom: 1.7rem; color: #fff; }
.card-copy span { font-size: .67rem; letter-spacing: .16em; opacity: .72; }
.card-copy h3 { color: #fff; font-size: 1.55rem; margin: .3rem 0; }
.card-copy p { font-size: .83rem; margin: 0; opacity: .78; }
.texture-card img { object-position: 46% center; }

.zh-gallery-section { padding: 8rem 3rem; background: #f5f7f9; }
.zh-gallery-section .inner { padding-bottom: 3.5rem !important; }
.zh-gallery-section h2 { font-size: clamp(2.4rem, 4.5vw, 4.8rem); line-height: 1.03; letter-spacing: -.045em; }
.zh-gallery-section .inner > p:last-child { max-width: 38rem; margin-left: auto; margin-right: auto; color: var(--muted); }
.zh-photo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; max-width: 1400px; margin: 0 auto; }
.zh-photo-card { position: relative; aspect-ratio: 3 / 4; margin: 0; overflow: hidden; background: #e8ebef; }
.zh-photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.75,.25,1); }
.zh-photo-card:hover img { transform: scale(1.035); }
.zh-photo-card figcaption { position: absolute; right: 1rem; bottom: 1rem; display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: rgba(255,255,255,.9); color: var(--ink); font-size: .68rem; font-weight: 800; }

.capability-section .content, .quality-section .content { padding: 7rem !important; }
.capability-section h2, .quality-section h2 { font-size: clamp(2.5rem, 4.2vw, 4.8rem); line-height: 1.02; letter-spacing: -.045em; }
.clean-list { list-style: none; padding: 0; margin-top: 2rem; }
.clean-list li { padding: 1rem 0; border-top: 1px solid var(--line); font-size: .9rem; }
.clean-list li:last-child { border-bottom: 1px solid var(--line); }

.process-section { padding: 7rem 2rem; background: var(--soft); }
.process-grid { margin-top: 3rem !important; }
.process-grid section { text-align: left; background: #fff; border-color: var(--line) !important; }
.step-number { display: block; color: var(--denim); font-size: .68rem; font-weight: 800; letter-spacing: .16em; margin-bottom: 2rem; }
.process-grid h3 { font-size: 1.4rem; }
.process-grid p { color: var(--muted); font-size: .88rem; }

.quality-section { background: #fff; }
.texture-image img { filter: saturate(.78) contrast(1.05); }
.quality-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 2rem; }
.quality-tags span { padding: .55rem .85rem; border: 1px solid var(--line); border-radius: 999px; color: #47515d; font-size: .74rem; }

.markets-section { padding: 9rem 2rem; background: var(--denim-dark); color: rgba(255,255,255,.72); }
.markets-section h2 { color: #fff; }
.markets-section .light { color: #8fc0ef; }
.markets-section .button.primary { background: #fff; color: var(--denim-dark) !important; }
.narrow { max-width: 850px !important; }

.contact-section { padding: 8rem 2rem 7rem; }
.contact-section p { color: var(--muted); }
.contact-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 3rem; text-align: left; }
.contact-links a { border: 1px solid var(--line); padding: 1.6rem; text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
.contact-links a:hover { border-color: var(--denim); transform: translateY(-3px); }
.contact-links span { display: block; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; }
.contact-links strong { display: block; margin-top: .35rem; color: var(--ink); font-size: 1.05rem; }

.floating-contact { position: fixed; z-index: 9999; right: 1.25rem; bottom: 1.25rem; display: flex; flex-direction: column; overflow: hidden; border-radius: 1rem; background: rgba(255,255,255,.94); box-shadow: 0 12px 40px rgba(8,35,66,.16); backdrop-filter: blur(12px); }
.floating-contact a { display: flex; align-items: center; gap: .65rem; min-width: 8.7rem; padding: .8rem 1rem; border: 0; color: var(--ink); font-size: .72rem; font-weight: 700; }
.floating-contact a + a { border-top: 1px solid var(--line); }
.floating-contact .icon { color: var(--denim); }
.demo-label { position: absolute; right: .5rem; top: .35rem; color: #9aa2ab; font-size: .52rem; letter-spacing: .1em; text-transform: uppercase; }
.mobile-contact { display: none; }

.site-footer { border-top: 1px solid var(--line); }
.site-footer .inner { padding: 3.5rem 2rem !important; }
.footer-brand { font-weight: 800; letter-spacing: .22em; margin-bottom: .8rem; }
.site-footer p { color: var(--muted); font-size: .72rem; margin-bottom: .35rem; }
.site-footer .copyright { font-size: .66rem; }

.zh-page { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; }
.zh-page h1, .zh-page h2, .zh-page h3, .zh-page p, .zh-page a, .zh-page span { letter-spacing: normal; }
.zh-page .eyebrow, .zh-page .brand, .zh-page .footer-brand { letter-spacing: .12em; }


.banner .image picture, .spotlight .image picture, .collection-card picture, .zh-photo-card picture { display: block; width: 100%; height: 100%; }
.collection-card:has([data-lightbox]), .zh-photo-card:has([data-lightbox]) { cursor: zoom-in; }
.collection-card:focus-visible, .zh-photo-card:focus-visible { outline: 3px solid #fff; outline-offset: -6px; }

.scroll-progress { position: fixed; z-index: 20001; top: 0; left: 0; width: 0; height: 3px; background: linear-gradient(90deg, #1762a8, #73b8ef); pointer-events: none; transition: width .08s linear; }
.back-to-top { position: fixed; z-index: 9998; left: 1.25rem; bottom: 1.25rem; width: 3rem; height: 3rem; padding: 0; border: 1px solid rgba(17,19,24,.1); border-radius: 50%; background: rgba(255,255,255,.94); color: var(--ink); box-shadow: 0 10px 30px rgba(8,35,66,.13); opacity: 0; visibility: hidden; transform: translateY(.75rem); transition: opacity .25s ease, transform .25s ease, visibility .25s; cursor: pointer; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { color: var(--denim); transform: translateY(-2px); }

.lightbox { position: fixed; z-index: 30000; inset: 0; display: grid; place-items: center; padding: 2rem 5rem; background: rgba(5,10,17,.94); opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-stage { position: relative; display: grid; place-items: center; width: 100%; height: 100%; margin: 0; }
.lightbox-image { display: block; max-width: min(90vw, 1500px); max-height: 82vh; width: auto; height: auto; object-fit: contain; box-shadow: 0 24px 80px rgba(0,0,0,.35); transform: scale(.985); transition: transform .3s ease; }
.lightbox.is-open .lightbox-image { transform: scale(1); }
.lightbox-caption { position: absolute; left: 50%; bottom: .25rem; transform: translateX(-50%); margin: 0; color: rgba(255,255,255,.78); font-size: .78rem; letter-spacing: .08em; white-space: nowrap; }
.lightbox-counter { margin-left: .75rem; color: rgba(255,255,255,.45); }
.lightbox-close, .lightbox-nav { position: absolute; z-index: 1; display: grid; place-items: center; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); color: #fff; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(255,255,255,.2); transform: scale(1.05); }
.lightbox-close { top: 1.25rem; right: 1.25rem; width: 3rem; height: 3rem; font-size: 1.7rem; }
.lightbox-nav { top: 50%; width: 3.25rem; height: 3.25rem; font-size: 2rem; transform: translateY(-50%); }
.lightbox-nav:hover { transform: translateY(-50%) scale(1.05); }
.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }
.lightbox-open { overflow: hidden; }

@media screen and (max-width: 980px) {
	html, body { width: 100%; max-width: 100%; overflow-x: hidden; }
	body { padding-top: 4rem; padding-bottom: 4rem; }
	#wrapper { width: 100%; max-width: 100%; overflow: hidden; }
	.site-header { width: auto !important; max-width: 100vw; height: 4rem; padding: 0 1.25rem; box-sizing: border-box; grid-template-columns: minmax(0, 1fr) auto; }
	.site-header nav { display: none; }
	.header-actions { position: absolute; top: 50%; right: 1.25rem; min-width: 0; gap: .45rem; transform: translateY(-50%); }
	.language-switch { min-width: 2rem; padding: .5rem .65rem; font-size: .68rem; }
	.header-contact { padding: .6rem .9rem; font-size: .7rem; }
	.banner.style1, .spotlight.style1 { display: flex !important; width: 100% !important; max-width: 100% !important; align-items: stretch !important; }
	.banner.style1 { flex-direction: column-reverse !important; }
	.spotlight.style1 { flex-direction: column !important; }
	.banner.style1 > .content, .banner.style1 > .image, .spotlight.style1 > .content, .spotlight.style1 > .image { width: 100% !important; max-width: none !important; margin: 0 !important; left: auto !important; right: auto !important; }
	.banner.style1 > .image, .spotlight.style1 > .image { height: min(115vw, 34rem) !important; min-height: 19rem; }
	.hero .content { padding: 4rem 1.5rem 6.5rem !important; text-align: center !important; }
	.hero .major { margin-left: auto; margin-right: auto; }
	.hero .actions { justify-content: center; }
	.stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 0; }
	.stats-grid div:nth-child(2) { border: 0; }
	.collection-section { padding: 5rem 1rem; }
	.collection-intro { width: 100% !important; padding-left: .5rem !important; padding-right: .5rem !important; }
	.collection-grid { grid-template-columns: 1fr; }
	.collection-card { width: 100%; min-height: 32rem; }
	.zh-gallery-section { padding: 5rem 1rem; }
	.zh-gallery-section .inner { width: 100% !important; padding-left: .5rem !important; padding-right: .5rem !important; }
	.zh-photo-grid { grid-template-columns: 1fr; max-width: 34rem; }
	.capability-section .content, .quality-section .content { padding: 4rem 1.5rem !important; text-align: center !important; }
	.clean-list { text-align: left; }
	.quality-tags { justify-content: center; }
	.process-section .inner, .contact-section .inner, .markets-section .inner { width: 100% !important; max-width: 100% !important; margin-left: auto !important; margin-right: auto !important; }
	.spotlight.onscroll-image-fade-in > .image img, .spotlight.onscroll-image-fade-in.is-inactive > .image img, .items.onscroll-fade-in.is-inactive > * > .inner, .wrapper.onscroll-fade-in.is-inactive { opacity: 1 !important; transform: none !important; }
	.floating-contact { display: none; }
	.lightbox { padding: 4.5rem .75rem 3.5rem; }
	.lightbox-image { max-width: 96vw; max-height: 76vh; }
	.lightbox-close { top: .75rem; right: .75rem; }
	.lightbox-nav { top: auto; bottom: .65rem; width: 2.8rem; height: 2.8rem; transform: none; }
	.lightbox-nav:hover { transform: scale(1.05); }
	.lightbox-prev { left: calc(50% - 3.25rem); }
	.lightbox-next { right: calc(50% - 3.25rem); }
	.lightbox-caption { bottom: 3.1rem; max-width: 90vw; overflow: hidden; text-overflow: ellipsis; }
	.back-to-top { left: .75rem; bottom: .85rem; }
	.mobile-contact { display: flex; position: fixed; z-index: 10001; left: auto !important; right: .75rem !important; bottom: .7rem; width: auto !important; min-width: 11.5rem !important; padding: 0 1.2rem !important; align-items: center; justify-content: center; gap: .6rem; height: 3.2rem; border: 0; border-radius: 999px; background: var(--denim); color: #fff; font-size: .82rem; font-weight: 800; box-shadow: 0 12px 35px rgba(10,47,89,.3); }
}

@media screen and (max-width: 560px) {
	.brand { font-size: .86rem; }
	.brand-cn { padding-left: .5rem; font-size: 1.05rem; }
	.header-contact { display: none; }
	.hero h1 { font-size: clamp(2.7rem, 13vw, 3.2rem); overflow-wrap: anywhere; }
	.hero .major { font-size: 1rem; }
	.hero .actions { flex-direction: column; }
	.hero .actions li, .hero .actions .button { width: 100%; }
	.stats-grid { padding-left: .5rem !important; padding-right: .5rem !important; }
	.stats-grid strong { font-size: 1.2rem; }
	.stats-grid span { font-size: .67rem; }
	.collection-card { min-height: 27rem; }
	.contact-links { grid-template-columns: 1fr; }
	.zh-page .hero h1 { font-size: clamp(2.35rem, 11vw, 2.9rem); line-height: 1.12; }
}

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