:root {
  --ink: #17211d;
  --muted: #66716b;
  --green: #0f4a40;
  --green-2: #1b6b58;
  --mint: #dfece4;
  --cream: #f5f2e9;
  --paper: #fbfaf6;
  --line: #d9ded8;
  --amber: #dca458;
  --orange: #c77736;
  --shadow: 0 22px 60px rgba(20, 44, 36, .11);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.wrap { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(23, 33, 29, .1);
  background: rgba(251, 250, 246, .94);
  backdrop-filter: blur(16px);
}
.nav-row { min-height: 82px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  color: white; background: var(--green);
  font-weight: 800; letter-spacing: -.04em;
}
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: .08em; }
.nav-links { display: flex; align-items: center; gap: 25px; margin-left: auto; }
.nav-links a { font-size: 14px; font-weight: 650; color: #303b36; }
.nav-links a:hover { color: var(--green-2); }
.nav-links a.nav-cta { color: #fff; }
.nav-links a.nav-cta:hover { color: #fff; }
.nav-cta, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 999px; padding: 12px 22px;
  font-weight: 750; cursor: pointer; transition: .2s ease;
}
.nav-cta, .btn-primary { color: white; background: var(--green); }
.nav-cta:hover, .btn-primary:hover { background: var(--green-2); transform: translateY(-1px); }
.btn-secondary { color: var(--green); background: white; border: 1px solid var(--line); }
.btn-secondary:hover { border-color: var(--green-2); transform: translateY(-1px); }
.menu-toggle { display: none; background: transparent; border: 0; font-size: 25px; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 18%, rgba(220, 164, 88, .22), transparent 30%),
    linear-gradient(135deg, #f1eee4 0%, #f8f7f1 56%, #e7efe8 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; min-height: 720px; gap: 48px; padding-block: 70px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  margin: 0 0 18px; color: var(--green-2);
  font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--amber); }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(42px, 6.1vw, 82px); line-height: 1.04; letter-spacing: -.045em; }
.hero h1 span { color: var(--green-2); }
.hero-copy { max-width: 660px; margin: 26px 0 0; font-size: 18px; color: #52605a; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero-note { display: flex; gap: 8px; align-items: flex-start; margin-top: 24px; font-size: 12px; color: var(--muted); }
.hero-visual { position: relative; }
.hero-frame {
  overflow: hidden; border-radius: 38px; box-shadow: var(--shadow);
  background: #e7e4d8; transform: rotate(1.5deg);
}
.hero-frame img { width: 100%; aspect-ratio: 4 / 4.35; object-fit: cover; }
.floating-tag {
  position: absolute; left: -22px; bottom: 34px;
  max-width: 280px; padding: 16px 19px; border-radius: 18px;
  color: white; background: var(--green); box-shadow: var(--shadow);
  font-size: 13px; line-height: 1.55;
}
.floating-tag strong { display: block; font-size: 18px; margin-bottom: 3px; }

.stat-strip { background: var(--green); color: white; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 26px 24px; border-right: 1px solid rgba(255,255,255,.16); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: 28px; line-height: 1.1; }
.stat span { font-size: 12px; opacity: .72; }

.factory-intro { background: linear-gradient(135deg, #e6eee8 0%, #f8f5ec 100%); }
.factory-intro-grid {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  align-items: center;
  gap: 56px;
}
.factory-intro-copy h2 { max-width: 620px; }
.factory-intro-copy > p:not(.eyebrow) { color: var(--muted); }
.factory-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0;
}
.factory-metric {
  padding: 16px 17px;
  border: 1px solid rgba(15, 74, 64, .15);
  border-radius: 15px;
  background: rgba(255,255,255,.72);
}
.factory-metric strong { display: block; color: var(--green); font-size: 23px; line-height: 1.1; }
.factory-metric span { color: var(--muted); font-size: 11px; }
.factory-poster {
  margin: 0;
  overflow: hidden;
  border-radius: 30px;
  background: var(--green);
  box-shadow: var(--shadow);
}
.factory-poster img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.factory-poster figcaption {
  padding: 11px 16px 13px;
  color: rgba(255,255,255,.72);
  font-size: 10px;
}

.section { padding-block: 92px; }
.section-soft { background: #eef3ed; }
.section-cream { background: var(--cream); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
.section-heading h2 { max-width: 760px; margin: 0; font-size: clamp(32px, 4.3vw, 52px); line-height: 1.12; letter-spacing: -.035em; }
.section-heading p { max-width: 460px; margin: 0; color: var(--muted); font-size: 15px; }

.application-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.application-card {
  position: relative; min-height: 330px; overflow: hidden; border-radius: 20px;
  background: #d8ddd8; isolation: isolate;
}
.application-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; transition: transform .5s ease; z-index: -2; }
.application-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(11,28,23,.02) 25%, rgba(11,28,23,.72) 100%);
}
.application-card:hover img { transform: scale(1.035); }
.application-copy { position: absolute; left: 20px; right: 20px; bottom: 20px; color: white; }
.application-copy small { font-size: 11px; letter-spacing: .15em; opacity: .8; }
.application-copy h3 { margin: 3px 0 7px; font-size: 23px; line-height: 1.2; }
.application-copy p { margin: 0; font-size: 12px; opacity: .84; }

.catalog-toolbar {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-bottom: 22px; padding: 14px; border: 1px solid var(--line);
  border-radius: 16px; background: white;
}
.search-box { flex: 1 1 260px; min-width: 0; }
.search-box input {
  width: 100%; border: 0; outline: 0; padding: 11px 13px;
  background: #f4f4ef; border-radius: 10px; color: var(--ink);
}
.filter-row { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-btn {
  border: 1px solid var(--line); background: white; color: #52605a;
  border-radius: 999px; padding: 8px 12px; font-size: 12px; cursor: pointer;
}
.filter-btn:hover, .filter-btn.active { color: white; border-color: var(--green); background: var(--green); }
.catalog-count { margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }

.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 17px; }
.product-card {
  display: flex; flex-direction: column; min-width: 0; overflow: hidden;
  border: 1px solid #e0e3de; border-radius: 18px; background: white;
  transition: .22s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 15px 34px rgba(35,50,42,.1); border-color: #cbd8d0; }
.product-image { position: relative; aspect-ratio: 4 / 3; background: #ecebe3; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-badges { position: absolute; left: 10px; top: 10px; display: flex; gap: 5px; flex-wrap: wrap; }
.badge { border-radius: 999px; padding: 4px 8px; color: white; background: rgba(15,74,64,.9); font-size: 10px; font-weight: 700; }
.badge.amber { color: #463016; background: #f2d7a8; }
.badge.warn { color: #5d351d; background: #f0c8a5; }
.product-body { display: flex; flex-direction: column; flex: 1; padding: 15px 16px 17px; }
.product-category { margin-bottom: 5px; color: var(--green-2); font-size: 11px; font-weight: 800; letter-spacing: .05em; }
.product-title { margin: 0; font-size: 15px; line-height: 1.45; min-height: 65px; }
.product-spec { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 14px; font-size: 11px; color: #7a847f; }
.product-footer strong { color: var(--green); }

.shape-atlas { overflow: hidden; border-radius: 26px; box-shadow: var(--shadow); }
.shape-atlas img { width: 100%; }

.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fact { padding: 26px; border-radius: 20px; background: white; border: 1px solid var(--line); }
.fact .number { color: var(--amber); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.fact h3 { margin: 10px 0 8px; font-size: 21px; }
.fact p { margin: 0; color: var(--muted); font-size: 14px; }

.status-band { display: grid; grid-template-columns: 1.05fr .95fr; gap: 30px; padding: 36px; border-radius: 26px; color: white; background: var(--green); }
.status-band h2 { margin: 0 0 15px; font-size: 34px; line-height: 1.15; }
.status-band p { margin: 0; color: rgba(255,255,255,.75); }
.status-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.status-item { padding: 14px 15px; border-radius: 13px; background: rgba(255,255,255,.09); font-size: 12px; }
.status-item strong { display: block; color: #fff; font-size: 20px; }

.page-hero { padding: 80px 0 68px; background: linear-gradient(135deg, #f2efe5, #edf4ed); }
.page-hero h1 { max-width: 880px; margin: 0; font-size: clamp(38px, 5.5vw, 68px); line-height: 1.08; letter-spacing: -.04em; }
.page-hero p { max-width: 760px; margin: 22px 0 0; color: #53615a; font-size: 17px; }
.breadcrumb { margin-bottom: 24px; color: var(--muted); font-size: 12px; }
.breadcrumb a:hover { color: var(--green); }

.product-detail-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; padding-block: 64px; }
.product-main-image { overflow: hidden; border-radius: 24px; background: #eeece4; box-shadow: var(--shadow); }
.product-main-image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.detail-kicker { color: var(--green-2); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.detail-title { margin: 10px 0 18px; font-size: clamp(30px, 4.2vw, 50px); line-height: 1.18; letter-spacing: -.03em; }
.detail-intro { color: #57635d; }
.meta-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 24px; }
.pill { border-radius: 999px; padding: 7px 11px; color: var(--green); background: var(--mint); font-size: 12px; font-weight: 750; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }

.detail-sections { padding-bottom: 82px; }
.content-panel { padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: white; }
.content-panel + .content-panel { margin-top: 18px; }
.content-panel h2 { margin: 0 0 18px; font-size: 27px; }
.content-panel h3 { margin: 0 0 8px; font-size: 18px; }
.content-panel p { color: #5e6964; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.parameter-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.parameter-table th, .parameter-table td { padding: 13px 12px; border-bottom: 1px solid #e8ebe7; text-align: left; vertical-align: top; }
.parameter-table th { width: 38%; color: #56635d; font-weight: 650; }
.parameter-table td { color: var(--ink); }
.status { display: inline-block; border-radius: 999px; padding: 3px 8px; font-size: 10px; font-weight: 750; }
.status.listed { color: #24533f; background: #def0e4; }
.status.pending { color: #7b4b20; background: #f7e5c9; }
.notice { padding: 16px 18px; border-left: 3px solid var(--amber); border-radius: 0 10px 10px 0; background: #faf2e4; color: #5c503c; font-size: 13px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card { overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: white; }
.related-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.related-card span { display: block; padding: 11px 12px 13px; font-size: 13px; }

.source-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.source-card { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.source-card img { width: 150px; height: 110px; object-fit: cover; border-radius: 10px; background: #eee; }
.source-card h3 { margin: 2px 0 5px; font-size: 16px; }
.source-card p { margin: 0; color: var(--muted); font-size: 12px; }
.source-card a { color: var(--green-2); text-decoration: underline; text-underline-offset: 3px; }

.contact-band { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 38px; border-radius: 26px; color: white; background: #183f36; }
.contact-band h2 { margin: 0 0 8px; font-size: 34px; }
.contact-band p { margin: 0; color: rgba(255,255,255,.72); }
.contact-lines { display: grid; gap: 8px; justify-items: end; font-weight: 750; }
.contact-lines a { padding: 10px 16px; border-radius: 999px; background: rgba(255,255,255,.1); }
.contact-band.with-qr { grid-template-columns: 1fr auto auto; }
.home-contact-qr-pair { display: flex; gap: 9px; align-items: stretch; }
.home-contact-qr { display: grid; justify-items: center; gap: 7px; padding: 8px; border-radius: 14px; background: white; }
.home-contact-qr img { display: block; width: 116px; height: 116px; border-radius: 8px; }
.home-contact-qr span { color: #174e41; font-size: 10px; font-weight: 800; }
.qr-contact-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: center;
  margin: 20px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f4f8f5;
}
.qr-contact-card img { display: block; width: 160px; height: 160px; border-radius: 10px; background: white; }
.qr-contact-card small { display: block; color: var(--green-2); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.qr-contact-card strong { display: block; margin-top: 7px; font-size: 19px; }
.qr-contact-card p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.qr-contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 20px 0; }
.qr-contact-grid .qr-contact-card { grid-template-columns: 112px 1fr; gap: 12px; margin: 0; padding: 12px; }
.qr-contact-grid .qr-contact-card img { width: 112px; height: 112px; }

.site-footer { margin-top: 80px; padding: 38px 0 28px; color: #aebeb7; background: #13231d; }
.footer-row { display: flex; justify-content: space-between; gap: 30px; }
.footer-brand strong { color: white; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12px; }
.footer-links a:hover { color: white; }
.footer-note { margin-top: 25px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; color: #82958c; }

.hidden { display: none !important; }
.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: 1040px) {
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .application-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 15px; }
  .hero-grid { gap: 28px; }
}
@media (max-width: 800px) {
  .wrap { width: min(100% - 30px, 680px); }
  .menu-toggle { display: block; margin-left: auto; }
  .nav-row { min-height: 68px; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    padding: 16px 24px 22px; flex-direction: column; align-items: stretch;
    background: var(--paper); border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-cta { margin-left: 0; }
  .hero-grid, .product-detail-grid, .status-band, .two-col, .contact-band, .contact-band.with-qr { grid-template-columns: 1fr; }
  .qr-contact-grid { grid-template-columns: 1fr; }
  .factory-intro-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-grid { min-height: auto; padding-block: 48px; }
  .hero-visual { max-width: 620px; }
  .floating-tag { left: 14px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.16); }
  .section { padding-block: 62px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 14px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-grid, .related-grid { grid-template-columns: 1fr; }
  .source-grid { grid-template-columns: 1fr; }
  .contact-lines { justify-items: start; }
}
@media (max-width: 520px) {
  .application-grid, .product-grid, .stat-grid, .status-list { grid-template-columns: 1fr; }
  .application-card { min-height: 280px; }
  .hero h1 { font-size: 44px; }
  .product-title { min-height: 0; }
  .catalog-count { width: 100%; margin-left: 0; }
  .source-card { grid-template-columns: 1fr; }
  .source-card img { width: 100%; height: 180px; }
  .qr-contact-card { grid-template-columns: 1fr; }
  .qr-contact-card img { width: 100%; height: auto; max-width: 240px; }
}

.related-grid.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .related-grid.four-up { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .related-grid.four-up { grid-template-columns: 1fr; } }