/* ============================================================
   金匠智造（上海）金属制品有限公司 — 跨境官网
   Design-to-code output. Tokens reproduced 1:1 from the
   Ardot canvas (file 704465513941919): 工业钢蓝 + 熔融琥珀
   设计系统。Color / radius / spacing / type 严格对应设计稿。
   ============================================================ */

:root {
  /* ---- Brand ---- */
  --steel-blue: #14568C;
  --steel-blue-600: #1B6BA6;
  --steel-blue-700: #0E3F66;
  --steel-blue-800: #0F3D63;
  --amber: #E08A1E;
  --amber-700: #B86A12;

  /* ---- Neutral scale ---- */
  --ink-900: #141A21;
  --ink-700: #35434F;
  --ink-500: #6B7A87;
  --bg-soft: #F5F7F9;
  --border: #E2E8EE;
  --white: #FFFFFF;

  /* ---- Gradients (verbatim from canvas stops) ---- */
  --grad-steel: linear-gradient(135deg, #1B6BA6 0%, #0E3F66 100%);
  --grad-partition: linear-gradient(135deg, #14568C 0%, #0F3D63 100%);
  --grad-amber: linear-gradient(135deg, #E08A1E 0%, #B86A12 100%);
  --grad-special: linear-gradient(135deg, #35434F 0%, #141A21 100%);
  --grad-header: linear-gradient(135deg, rgba(27,107,166,.12) 0%, rgba(14,63,102,.06) 100%);

  /* ---- Radii (canvas: 8 / 10 / 12 / 999) ---- */
  --r-btn: 8px;
  --r-badge: 10px;
  --r-card: 12px;
  --r-pill: 999px;

  /* ---- Spacing scale (canvas paddings) ---- */
  --pad-page: 80px;
  --gap-section: 32px;
  --gap-card: 26px;
  --gap-tight: 24px;

  /* ---- Type ---- */
  --font-cjk: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Outfit", "Noto Sans SC", sans-serif;
  --font-body: "Manrope", "Noto Sans SC", sans-serif;

  --shadow-card: 0 6px 22px rgba(20, 26, 33, .07);
  --shadow-card-hover: 0 12px 30px rgba(20, 26, 33, .12);
  --maxw: 1440px;
}

/* ----------------------------- Reset ----------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-cjk);
  color: var(--ink-700);
  background: var(--white);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------------------- Layout container ----------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad-page);
  padding-right: var(--pad-page);
}

.section { width: 100%; }
.section--soft { background: var(--bg-soft); }

/* --------------------------- Typography helpers ----------------- */
.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--amber);
  text-transform: uppercase;
}
.h-section {
  font-family: var(--font-cjk);
  font-weight: 700;
  font-size: 30px;
  color: var(--ink-900);
  line-height: 1.25;
}
.h-section--lg { font-size: 34px; }
.lead { font-size: 15px; color: var(--ink-500); }
.muted { color: var(--ink-500); }

/* --------------------------- Buttons ---------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r-btn);
  font-family: var(--font-cjk);
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn .arrow { transition: transform .18s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn--primary { background: var(--steel-blue); color: var(--white); }
.btn--primary:hover { background: var(--steel-blue-700); box-shadow: 0 8px 20px rgba(20,86,140,.28); }
.btn--amber { background: var(--amber); color: var(--white); }
.btn--amber:hover { background: var(--amber-700); box-shadow: 0 8px 20px rgba(224,138,30,.30); }
.btn--ghost { background: var(--white); color: var(--ink-900); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--steel-blue); color: var(--steel-blue); }
.btn--light { background: var(--white); color: var(--steel-blue); }
.btn--light:hover { background: #eef3f8; }

/* ------------------------ Section heading ----------------------- */
.sec-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 36px; }
.sec-head .lead { max-width: 720px; }

/* ============================== HEADER ============================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.site-header .bar {
  display: flex; align-items: center; gap: 28px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark { width: 38px; height: 38px; }
.brand .mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.brand .name { display: flex; flex-direction: column; line-height: 1.15; }
.brand .name b { font-size: 16px; color: var(--ink-900); font-weight: 700; }
.brand .name span { font-size: 11px; color: var(--ink-500); letter-spacing: .04em; }

.nav { display: flex; align-items: center; gap: 6px; margin-left: 18px; }
.nav a {
  position: relative;
  padding: 9px 16px;
  border-radius: var(--r-btn);
  font-size: 15px; font-weight: 500; color: var(--ink-700);
  transition: color .15s ease, background .15s ease;
}
.nav a:hover { color: var(--steel-blue); background: var(--bg-soft); }
.nav a.active { color: var(--steel-blue); background: var(--bg-soft); font-weight: 600; }

.header-tools { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang-switch { display: inline-flex; border: 1px solid var(--border); border-radius: var(--r-pill); overflow: hidden; }
.lang-switch button {
  padding: 6px 14px; font-size: 13px; font-weight: 600; color: var(--ink-500);
  transition: background .15s, color .15s;
}
.lang-switch button.active { background: var(--steel-blue); color: var(--white); }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: var(--r-btn); border: 1px solid var(--border); align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink-900); position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ============================== FOOTER ============================== */
.site-footer { background: var(--ink-900); color: #C7D2DC; }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand .name { font-size: 18px; color: #fff; font-weight: 700; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: #9FB0BD; max-width: 320px; }
.footer-col h4 { font-size: 14px; color: #fff; font-weight: 600; margin-bottom: 16px; letter-spacing: .03em; }
.footer-col a { display: block; font-size: 14px; color: #9FB0BD; padding: 6px 0; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-contact .row { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #9FB0BD; padding: 6px 0; }
.footer-contact .row svg { flex: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: #7E8E9B;
}

/* ============================ HERO (HOME) ============================ */
.hero {
  color: #fff;
  position: relative; overflow: hidden;
  background-image:
    linear-gradient(100deg, rgba(14,63,102,.95) 0%, rgba(14,63,102,.84) 40%, rgba(14,63,102,.50) 72%, rgba(14,63,102,.22) 100%),
    url('assets/images/products/007a689f755661e7cbcb3a400acb85e.jpg');
  background-size: cover;
  background-position: center;
}
.hero .container {
  display: grid; grid-template-columns: 1fr; gap: 0;
  padding-top: 104px; padding-bottom: 104px;
}
.hero-copy { max-width: 760px; position: relative; z-index: 1; }
.hero-eyebrow { font-family: var(--font-display); font-weight: 700; letter-spacing: .14em; color: var(--amber); font-size: 13px; text-transform: uppercase; }
.hero h1 { font-size: 46px; line-height: 1.18; font-weight: 700; margin: 18px 0 20px; }
.hero p.sub { font-size: 17px; color: #D6E2EE; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; }
.hero-stats .s b { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: #fff; display: block; }
.hero-stats .s span { font-size: 13px; color: #AFC4D6; }

/* ============================ TRUST STRIP ============================ */
.trust { background: var(--white); border-bottom: 1px solid var(--border); }
.trust .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding-top: 40px; padding-bottom: 40px; }
.stat { text-align: center; padding: 8px 16px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat b { font-family: var(--font-display); font-size: 40px; font-weight: 700; color: var(--steel-blue); display: block; line-height: 1.1; }
.stat span { font-size: 14px; color: var(--ink-500); margin-top: 6px; display: block; }

/* ============================ WHY US ============================ */
.why { padding: 80px 0; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
.feature {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 28px 24px; min-height: 220px; display: flex; flex-direction: column; gap: 14px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.feature:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.feature .ic { width: 48px; height: 48px; border-radius: 12px; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; color: var(--steel-blue); }
.feature h3 { font-size: 18px; color: var(--ink-900); font-weight: 700; }
.feature p { font-size: 14px; color: var(--ink-500); }

/* ========================= PRODUCT SYSTEMS ========================= */
.systems { padding: 80px 0; background: var(--bg-soft); }
.sys-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
.sys-card {
  border-radius: var(--r-card); overflow: hidden; background: var(--white);
  border: 1px solid var(--border); display: flex; flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.sys-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.sys-card .img { height: 200px; position: relative; overflow: hidden; }
.sys-card .img svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sys-card .body { padding: 22px 22px 26px; display: flex; flex-direction: column; gap: 10px; }
.sys-card .tag { font-family: var(--font-display); font-weight: 700; font-size: 12px; letter-spacing: .1em; color: var(--amber); text-transform: uppercase; }
.sys-card h3 { font-size: 18px; color: var(--ink-900); font-weight: 700; }
.sys-card p { font-size: 14px; color: var(--ink-500); }
.sys-card .more { margin-top: 4px; font-size: 14px; font-weight: 600; color: var(--steel-blue); display: inline-flex; align-items: center; gap: 6px; }

/* ========================= FEATURED PRODUCTS ========================= */
.featured { padding: 80px 0; }
.featured-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 36px; }
.featured-head .sec-head { margin-bottom: 0; }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }

/* ---- Product Card (reused on Home / Products / Detail) ---- */
.pcard { background: var(--white); border: 1px solid var(--border); border-radius: var(--r-card); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s ease, transform .2s ease; }
.pcard:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.pcard .thumb { height: 180px; position: relative; }
.pcard .thumb svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.pcard .body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pcard .tag { align-self: flex-start; font-family: var(--font-display); font-weight: 700; font-size: 11px; letter-spacing: .1em; color: #fff; background: var(--amber); padding: 4px 10px; border-radius: var(--r-pill); text-transform: uppercase; }
.pcard h3 { font-size: 16px; color: var(--ink-900); font-weight: 600; line-height: 1.35; }
.pcard .spec { font-size: 13px; color: var(--ink-500); }
.pcard .more { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--steel-blue); display: inline-flex; align-items: center; gap: 6px; padding-top: 6px; }

/* ========================= CERTIFICATIONS ========================= */
.certs { padding: 64px 0; background: var(--bg-soft); }
.cert-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.cert-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px; border-radius: var(--r-pill);
  background: var(--white); border: 1px solid var(--border);
  font-size: 14px; font-weight: 500; color: var(--ink-700);
  transition: border-color .15s, color .15s;
}
.cert-pill:hover { border-color: var(--steel-blue); color: var(--steel-blue); }
.cert-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }

/* ============================== CTA BAND ============================== */
.cta-band { background: var(--grad-steel); color: #fff; text-align: center; }
.cta-band .container { padding-top: 64px; padding-bottom: 64px; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.cta-band h2 { font-size: 28px; font-weight: 700; }
.cta-band p { font-size: 15px; color: #D6E2EE; max-width: 640px; }

/* ====================== PAGE HERO (sub pages) ====================== */
.page-hero { background: var(--grad-steel); color: #fff; }
.page-hero .container { padding-top: 60px; padding-bottom: 60px; display: flex; flex-direction: column; gap: 14px; }
.breadcrumb { font-size: 14px; color: #BFD4E6; }
.breadcrumb a:hover { color: #fff; }
.page-hero .eyebrow { color: var(--amber); }
.page-hero h1 { font-size: 40px; font-weight: 700; line-height: 1.2; }
.page-hero p { font-size: 16px; color: #D6E2EE; max-width: 680px; }

/* ====================== PRODUCTS: FILTER TABS ====================== */
.filter-bar { padding: 36px 0; }
.filter-tabs { display: flex; flex-wrap: wrap; gap: 12px; }
.filter-tabs button {
  padding: 10px 22px; border-radius: var(--r-pill); background: var(--white);
  border: 1px solid var(--border); font-size: 15px; font-weight: 500; color: var(--ink-700);
  transition: all .15s ease;
}
.filter-tabs button:hover { border-color: var(--steel-blue); color: var(--steel-blue); }
.filter-tabs button.active { background: var(--steel-blue); color: #fff; border-color: var(--steel-blue); }

.products-section { padding: 8px 0 80px; }
.products-section .sec-head { margin-bottom: 32px; }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
.products-grid .pcard.is-hidden { display: none; }

/* ====================== DETAIL: HERO / GALLERY ====================== */
.detail-hero { padding: 24px 0 48px; }
.breadcrumb-bar { padding: 18px 0; border-bottom: 1px solid var(--border); }
.breadcrumb-bar .container { font-size: 14px; color: var(--ink-500); }
.detail-hero .container { display: grid; grid-template-columns: 600px 1fr; gap: 48px; align-items: start; }
.gallery { display: flex; flex-direction: column; gap: 16px; }
.gallery .main-img { height: 420px; border-radius: var(--r-card); background: var(--grad-steel); position: relative; overflow: hidden; }
.gallery .main-img svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.gallery .main-img .lbl { position: absolute; left: 20px; bottom: 18px; color: #fff; font-size: 14px; }
.gallery .thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery .thumbs .t { height: 96px; border-radius: 8px; overflow: hidden; }
.gallery .thumbs .t svg { width: 100%; height: 100%; }

.detail-info { display: flex; flex-direction: column; gap: 18px; }
.detail-info .cat { font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: .1em; color: var(--amber); text-transform: uppercase; }
.detail-info h1 { font-size: 34px; font-weight: 700; color: var(--ink-900); line-height: 1.2; }
.detail-info .model { font-size: 15px; color: var(--ink-500); }
.detail-info .desc { font-size: 15px; color: var(--ink-700); }
.spec-list { display: flex; flex-direction: column; gap: 12px; border-top: 1px solid var(--border); padding-top: 20px; }
.spec-list .r { display: grid; grid-template-columns: 140px 1fr; gap: 12px; align-items: center; }
.spec-list .r .k { font-size: 14px; color: var(--ink-500); }
.spec-list .r .v { font-size: 14px; font-weight: 500; color: var(--ink-900); }

/* ====================== DETAIL: SPECS TABLE ====================== */
.specs { padding: 16px 0 48px; }
.specs h2, .apps h2, .install h2, .related h2 { font-size: 24px; font-weight: 700; color: var(--ink-900); margin-bottom: 20px; }
.spec-table { width: 100%; border: 1px solid var(--border); border-radius: var(--r-card); overflow: hidden; }
.spec-table .tr { display: grid; grid-template-columns: 360px 1fr; }
.spec-table .th { background: var(--steel-blue); color: #fff; }
.spec-table .th .c { padding: 14px 24px; font-weight: 600; font-size: 15px; }
.spec-table .tr:not(.th) { border-bottom: 1px solid var(--border); }
.spec-table .tr:not(.th):last-child { border-bottom: none; }
.spec-table .tr .c { padding: 14px 24px; font-size: 14px; }
.spec-table .tr .c.k { color: var(--ink-700); font-weight: 500; }
.spec-table .tr .c.v { color: var(--ink-900); }

/* ====================== DETAIL: APPLICATIONS ====================== */
.apps { padding: 24px 0 48px; }
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.app-card { border: 1px solid var(--border); border-radius: var(--r-card); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.app-card .badge { width: 40px; height: 40px; border-radius: var(--r-badge); display: flex; align-items: center; justify-content: center; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 16px; }
.app-card h3 { font-size: 16px; font-weight: 700; color: var(--ink-900); }
.app-card p { font-size: 13px; color: var(--ink-500); }

/* ====================== DETAIL: INSTALLATION ====================== */
.install { padding: 24px 0 48px; }
.diagram { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--r-card); padding: 40px 48px; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.diagram .wall { width: 100%; max-width: 880px; height: 240px; background: #fff; border: 1px solid var(--border); border-radius: 8px; position: relative; overflow: hidden; }
.diagram .wall .track { position: absolute; left: 44px; right: 44px; height: 18px; background: var(--steel-blue); }
.diagram .wall .track.top { top: 16px; }
.diagram .wall .track.bot { bottom: 16px; }
.diagram .wall .gypsum { position: absolute; top: 24px; bottom: 24px; width: 44px; background: var(--border); }
.diagram .wall .gypsum.l { left: 0; }
.diagram .wall .gypsum.r { right: 0; }
.diagram .wall .stud { position: absolute; top: 32px; bottom: 32px; width: 16px; background: var(--amber); }
.diagram .labels { display: flex; flex-wrap: wrap; gap: 40px; justify-content: center; }
.diagram .labels span { font-size: 13px; font-weight: 500; color: var(--ink-700); }
.install .caption { font-size: 14px; color: var(--ink-500); margin-top: 4px; }

/* ====================== DETAIL: RELATED ====================== */
.related { padding: 24px 0 48px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }

/* ============================== STUBS ============================== */
.stub { padding: 120px 0; text-align: center; }
.stub .eyebrow { color: var(--amber); }
.stub h1 { font-size: 36px; color: var(--ink-900); margin: 14px 0; }
.stub p { color: var(--ink-500); max-width: 520px; margin: 0 auto 24px; }

/* ============================== RESPONSIVE ============================== */
@media (max-width: 1100px) {
  :root { --pad-page: 48px; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { min-height: 300px; }
  .why-grid, .sys-grid, .prod-grid, .products-grid, .app-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .detail-hero .container { grid-template-columns: 1fr; }
  .gallery .main-img { height: 320px; }
  .spec-table .tr { grid-template-columns: 240px 1fr; }
  .trust .container { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .stat:nth-child(2) { border-right: none; }
}

@media (max-width: 760px) {
  :root { --pad-page: 22px; --gap-card: 16px; }
  .nav, .header-tools .btn, .lang-switch { display: none; }
  .nav-toggle { display: flex; }
  .site-header.open .nav {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: 72px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--border); padding: 12px var(--pad-page) 20px; margin: 0;
  }
  .site-header.open .nav a { padding: 12px 14px; }
  .site-header.open .lang-switch { display: inline-flex; margin: 8px var(--pad-page) 0; width: fit-content; }

  .hero h1 { font-size: 32px; }
  .hero .container { padding-top: 60px; padding-bottom: 60px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .h-section, .h-section--lg { font-size: 24px; }
  .why-grid, .sys-grid, .prod-grid, .products-grid, .app-grid, .related-grid { grid-template-columns: 1fr; }
  .featured-head { flex-direction: column; align-items: flex-start; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .spec-table .tr { grid-template-columns: 1fr; }
  .spec-table .tr .c.k { background: var(--bg-soft); }
  .trust .container { grid-template-columns: 1fr 1fr; }
  .page-hero h1 { font-size: 28px; }
  .detail-info h1 { font-size: 26px; }
  .cta-band h2 { font-size: 22px; }
}

@media (max-width: 420px) {
  .trust .container { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
  .stat:last-child { border-bottom: none; }
}

/* ====================== 待填标记 (REVIEW MODE) ====================== */
/* 标记所有「代填占位」内容；上线前替换为真实资料并移除 class="ph" 即可。 */
.ph { position: relative; outline: 2px dashed var(--amber); outline-offset: 3px; border-radius: 6px; }
.ph::after {
  content: "待填";
  position: absolute; top: -11px; right: -9px;
  background: var(--amber); color: #fff;
  font: 700 10px/1 system-ui, "PingFang SC", sans-serif;
  padding: 2px 6px; border-radius: 4px; letter-spacing: .05em;
  pointer-events: none; z-index: 5;
}

/* ============================ BILINGUAL ============================ */
/* Default (zh): .en hidden. EN mode: swap via JS textContent. */

/* ====================== ABOUT: INTRO ====================== */
.intro { padding: 80px 0; }
.intro .intro-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.intro .intro-text .p { font-size: 15px; color: var(--ink-700); line-height: 1.85; margin-bottom: 16px; }
.intro .intro-media { position: relative; border-radius: var(--r-card); overflow: hidden; min-height: 320px; background: var(--grad-steel); box-shadow: var(--shadow-card); }
.intro .intro-media svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.intro .intro-media .cap { position: absolute; left: 18px; bottom: 16px; color: #fff; font-size: 13px; letter-spacing: .02em; }

/* ====================== ABOUT: STATS BAND ====================== */
.stats-band { background: var(--grad-partition); color: #fff; }
.stats-band .container { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; padding: 52px 0; }
.stats-band .sb { text-align: center; padding: 6px 16px; border-right: 1px solid rgba(255,255,255,.16); }
.stats-band .sb:last-child { border-right: none; }
.stats-band .sb b { font-family: var(--font-display); font-size: 44px; font-weight: 700; line-height: 1.1; display: block; }
.stats-band .sb span { font-size: 14px; color: #CFE0EE; margin-top: 6px; display: block; }

/* ====================== ABOUT: TIMELINE ====================== */
.timeline { padding: 80px 0; }
.timeline-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 8px; }
.tl-item { border-top: 3px solid var(--steel-blue); padding-top: 18px; }
.tl-item .year { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--steel-blue); }
.tl-item h4 { font-size: 17px; color: var(--ink-900); font-weight: 700; margin: 8px 0 8px; }
.tl-item p { font-size: 14px; color: var(--ink-500); line-height: 1.7; }

/* ====================== ABOUT: FACTORY ====================== */
.factory { padding: 80px 0; background: var(--bg-soft); }
.factory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); margin-top: 36px; }
.fac-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-card); padding: 28px 24px; display: flex; flex-direction: column; gap: 14px; transition: box-shadow .2s ease, transform .2s ease; }
.fac-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.fac-card .ic { width: 50px; height: 50px; border-radius: 12px; background: var(--grad-steel); color: #fff; display: flex; align-items: center; justify-content: center; }
.fac-card h3 { font-size: 18px; color: var(--ink-900); font-weight: 700; }
.fac-card p { font-size: 14px; color: var(--ink-500); line-height: 1.7; }

/* ====================== CONTACT ====================== */
.contact-main { padding: 72px 0 80px; }
.contact-row { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; margin-top: 36px; }
.info-col { display: flex; flex-direction: column; gap: 16px; }
.info-card { display: flex; align-items: center; gap: 16px; padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--r-card); background: #fff; transition: border-color .15s, box-shadow .15s; }
.info-card:hover { border-color: var(--steel-blue); box-shadow: var(--shadow-card); }
.info-card .ic { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); color: var(--steel-blue); display: flex; align-items: center; justify-content: center; }
.info-card .lbl { font-size: 13px; color: var(--ink-500); }
.info-card .val { font-size: 15px; font-weight: 600; color: var(--ink-900); }
.form-col { background: #fff; border: 1px solid var(--border); border-radius: var(--r-card); padding: 32px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-900); margin-bottom: 8px; }
.form-field input, .form-field textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-btn); font-family: inherit; font-size: 14px; color: var(--ink-700); background: var(--bg-soft); transition: border-color .15s, background .15s; }
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--steel-blue); background: #fff; }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-col .btn { width: 100%; justify-content: center; margin-top: 4px; }
.map-section { padding: 0 0 80px; }
.map-box { position: relative; height: 320px; border-radius: var(--r-card); overflow: hidden; background: var(--bg-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; }
.map-box .map-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 40px 40px; opacity: .6; }
.map-box .pin { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--steel-blue); }
.map-box .pin .cap { font-size: 14px; color: var(--ink-700); font-weight: 600; text-align: center; max-width: 280px; }

/* ====================== MOBILE HOME PAGE (canvas 2:6) ====================== */
.m-shell { max-width: 430px; margin: 0 auto; min-height: 100vh; background: #fff; box-shadow: 0 0 60px rgba(20,26,33,.08); position: relative; overflow: hidden; }
@media (max-width: 460px) { .m-shell { box-shadow: none; max-width: 100%; } }
.m-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; background: #fff; border-bottom: 1px solid var(--border); }
.m-brand { display: flex; align-items: center; gap: 10px; }
.m-brand .m-mark { width: 30px; height: 30px; }
.m-brand b { font-size: 15px; color: var(--ink-900); font-weight: 700; }
.m-right { display: flex; align-items: center; gap: 12px; }
.m-lang { display: inline-flex; border: 1px solid var(--border); border-radius: var(--r-pill); overflow: hidden; }
.m-lang span { padding: 4px 10px; font-size: 12px; font-weight: 600; color: var(--ink-500); cursor: pointer; }
.m-lang span.active { background: var(--steel-blue); color: #fff; }
.m-menu { width: 36px; height: 36px; display: flex; flex-direction: column; justify-content: center; gap: 4px; align-items: center; border-radius: var(--r-btn); border: 1px solid var(--border); }
.m-menu i { display: block; width: 18px; height: 2px; background: var(--ink-900); border-radius: 2px; }
.m-nav { display: none; flex-direction: column; background: #fff; border-bottom: 1px solid var(--border); padding: 6px 20px 14px; gap: 2px; }
.m-shell.open .m-nav { display: flex; }
.m-nav a { padding: 12px 8px; font-size: 15px; color: var(--ink-700); border-radius: var(--r-btn); }
.m-nav a:hover, .m-nav a.active { background: var(--bg-soft); color: var(--steel-blue); }
.m-hero { background: var(--grad-steel); color: #fff; padding: 40px 20px 44px; }
.m-hero .eyebrow { color: var(--amber); }
.m-hero h1 { font-size: 26px; line-height: 1.3; font-weight: 700; margin: 12px 0; }
.m-hero p { font-size: 14px; color: #D6E2EE; }
.m-hero .m-cta { display: inline-flex; align-items: center; gap: 6px; margin-top: 22px; padding: 12px 22px; background: #fff; color: var(--steel-blue); border-radius: var(--r-btn); font-weight: 600; font-size: 15px; }
.m-sec { padding: 40px 20px; }
.m-sec--soft { background: var(--bg-soft); }
.m-sec-head { margin-bottom: 22px; }
.m-sec-head .eyebrow { color: var(--amber); }
.m-sec-head .title { font-size: 21px; font-weight: 700; color: var(--ink-900); margin: 6px 0 4px; }
.m-sec-head .sub { font-size: 13px; color: var(--ink-500); }
.m-trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.m-trust-cell { background: #fff; border: 1px solid var(--border); border-radius: var(--r-card); padding: 22px 16px; text-align: center; }
.m-trust-cell b { font-family: var(--font-display); font-size: 34px; font-weight: 700; color: var(--steel-blue); display: block; line-height: 1; }
.m-trust-cell span { font-size: 13px; color: var(--ink-500); margin-top: 8px; display: block; }
.m-why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.m-why-cell { background: #fff; border: 1px solid var(--border); border-radius: var(--r-card); padding: 20px 16px; display: flex; flex-direction: column; gap: 8px; }
.m-why-cell .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--bg-soft); color: var(--steel-blue); display: flex; align-items: center; justify-content: center; }
.m-why-cell h3 { font-size: 15px; color: var(--ink-900); font-weight: 700; }
.m-why-cell p { font-size: 12.5px; color: var(--ink-500); line-height: 1.6; }
.m-sys-list, .m-feat-list { display: flex; flex-direction: column; gap: 14px; }
.m-sys-card { display: flex; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: var(--r-card); padding: 16px; }
.m-sys-card .ic { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--grad-steel); color: #fff; display: flex; align-items: center; justify-content: center; }
.m-sys-card .t { font-size: 15px; font-weight: 700; color: var(--ink-900); }
.m-sys-card .d { font-size: 13px; color: var(--ink-500); }
.m-feat-row { display: flex; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: var(--r-card); padding: 12px; }
.m-feat-row .thumb { flex: none; width: 64px; height: 64px; border-radius: 10px; overflow: hidden; }
.m-feat-row .thumb svg { width: 100%; height: 100%; }
.m-feat-row .tx { flex: 1; min-width: 0; }
.m-feat-row .tx h4 { font-size: 14px; font-weight: 600; color: var(--ink-900); line-height: 1.4; }
.m-feat-row .tx .spec { font-size: 12px; color: var(--ink-500); margin: 4px 0 6px; }
.m-feat-row .tx .more { font-size: 13px; font-weight: 600; color: var(--steel-blue); }
.m-cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.m-cert-pill { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 8px; border-radius: var(--r-pill); background: #fff; border: 1px solid var(--border); font-size: 13px; font-weight: 500; color: var(--ink-700); }
.m-cert-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }
.m-cta-band { background: var(--grad-steel); color: #fff; text-align: center; padding: 40px 20px; }
.m-cta-band h2 { font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.m-cta-band .btn { background: #fff; color: var(--steel-blue); }
.m-footer { background: var(--ink-900); color: #9FB0BD; padding: 28px 20px; text-align: center; }
.m-footer .brand { font-size: 14px; color: #fff; font-weight: 600; margin-bottom: 8px; }
.m-footer .copy { font-size: 12px; color: #7E8E9B; }

/* ====================== CERTIFICATE GALLERY ====================== */
.cert-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}
.cert-card {
  background: var(--white);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform .25s ease, box-shadow .25s ease;
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.cert-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center top;
  border-bottom: 1px solid var(--border);
  background: #FAFBFC;
}
.cert-info {
  padding: 18px 20px 20px;
}
.cert-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--steel-blue);
  margin-bottom: 10px;
}
.cert-info p {
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.65;
  margin: 3px 0;
}
.cert-info .aaa {
  color: var(--amber);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 2px;
}

/* ISO system cert cards (text-based, from docx) */
.cert-card.iso {
  display: flex;
  flex-direction: column;
}
.cert-card.iso .cert-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  background: var(--grad-steel);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 1px;
  text-align: center;
  line-height: 1.15;
}
.cert-card.iso .cert-info {
  flex: 1;
}

/* ====================== PRODUCT PHOTO GALLERY ====================== */
.product-photos {
  padding: 64px 0;
  background: var(--bg-soft);
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.photo-card {
  background: var(--white);
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: transform .25s ease, box-shadow .25s ease;
}
.photo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.photo-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.photo-card p {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-700);
  text-align: center;
  font-weight: 500;
  border-top: 1px solid var(--border);
}
.stats-band .sb b .small {
  font-size: 0.55em;
  font-weight: 400;
  opacity: .8;
}

/* ====================== NEW SECTIONS: RESPONSIVE ====================== */
@media (max-width: 1100px) {
  .intro-row, .timeline-grid, .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-gallery { grid-template-columns: repeat(2, 1fr); }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-row { grid-template-columns: 1fr; gap: 32px; }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .stats-band .sb:nth-child(2) { border-right: none; }
}
@media (max-width: 760px) {
  .intro-row, .timeline-grid, .factory-grid { grid-template-columns: 1fr; }
  .cert-gallery { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
  .intro .intro-media { min-height: 240px; }
  .stats-band .container { grid-template-columns: 1fr 1fr; }
  .stats-band .sb { border-right: none; }
  .contact-main { padding: 48px 0 56px; }
}