/* ============================================================
   GLOWISD — Premium Industrial Design System  (V0.1.1)
   高端轻奢 · 现实工业质感 · 克制配色 · 无装饰动画
   ============================================================ */

:root {
  --primary: #162A87;
  --primary-deep: #0F1D5C;
  --primary-soft: #E9EDF7;
  --ink: #162A87;
  --ink-2: #1A2452;
  --ink-3: #5A6B9E;
  --bg: #FFFFFF;
  --bg-deep: #F4F6FB;
  --surface: #FFFFFF;
  --line: #E4E9F5;
  --line-strong: #C9D1E8;
  --gold: #D2AE00;
  --dark-text: #A6B0CC;
  --footer-bg: #F4F6FB;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", "Noto Serif SC", serif;
  --sans: "Helvetica Neue", "Segoe UI", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;
  --shadow-subtle: 0 1px 2px rgba(26,26,26,.05), 0 6px 18px rgba(26,26,26,.045);
  --radius: 2px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; padding: 0; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ---------- layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section--alt { background: var(--bg-deep); }
.section--white { background: var(--surface); }
.section--dark { background: var(--ink); color: var(--dark-text); }

/* ---------- typography ---------- */
.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--primary);
  display: block;
  margin-bottom: 18px;
}
.eyebrow--dark { color: #D2AE00; }
.h-display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--ink);
}
.h-section {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--ink);
}
.h-section .h-main { display: block; }
.h-section .h-sub { display: block; font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-top: 8px; }
.lead { font-size: 17px; line-height: 1.9; color: var(--ink-3); max-width: 640px; }
.lead--dark { color: var(--dark-text); }
.sec-head { margin-bottom: 52px; }
.sec-head .lead { margin-top: 16px; }
.u-muted { color: var(--ink-3); }
.u-small { font-size: 13px; }

/* hairline detail */
.rule { border: 0; border-top: 1px solid var(--line); }
.rule--dark { border-top-color: rgba(255,255,255,.12); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 32px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: background-color .12s ease, border-color .12s ease, color .12s ease;
}
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-deep); }
.btn--outline { border-color: var(--line-strong); color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); }
.btn--outline-light { border-color: rgba(255,255,255,.35); color: #fff; }
.btn--outline-light:hover { border-color: #fff; }
.btn--block { width: 100%; }
.btn--sm { min-height: 40px; padding: 9px 22px; font-size: 12px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
  transition: color .12s ease, border-color .12s ease;
}
.link-arrow:hover { color: var(--primary); border-color: var(--primary); }
.link-arrow .arrow { font-family: var(--serif); font-size: 15px; line-height: 1; }
.link-arrow--light { color: #fff; border-bottom-color: rgba(255,255,255,.3); }
.link-arrow--light:hover { color: #D2AE00; border-color: #D2AE00; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,243,238,.97);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink);
  line-height: 1;
}
.brand .brand-dot { color: var(--primary); }
.brand-sub {
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.nav-main { display: flex; align-items: center; gap: 40px; }
.nav-main a {
  position: relative;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 10px 0;
  transition: color .12s ease;
}
.nav-main a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 4px;
  height: 2px;
  background: var(--primary);
  transition: right .12s ease;
}
.nav-main a:hover { color: var(--ink); }
.nav-main a.is-active { color: var(--ink); }
.nav-main a.is-active::after { right: 0; }

.lang-switch { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; }
.lang-switch button {
  min-width: 46px;
  min-height: 40px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-3);
  transition: background-color .12s ease, color .12s ease;
}
.lang-switch button + button { border-left: 1px solid var(--line-strong); }
.lang-switch button:hover { color: var(--ink); }
.lang-switch button.is-active { background: var(--ink); color: #fff; }

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); }
.mobile-nav { display: none; border-top: 1px solid var(--line); background: var(--surface); }
.mobile-nav a {
  display: block;
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  min-height: 48px;
}
.mobile-nav a.is-active { color: var(--primary); }
.mobile-nav .mobile-lang { display: flex; padding: 14px 28px 20px; gap: 12px; }

/* ---------- hero ---------- */
.hero { background: var(--ink); color: #fff; padding: 128px 0 96px; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent 70%);
  z-index: 3;
}
.hero .container { position: relative; z-index: 3; }

/* --- hero slideshow --- */
.hero--slideshow { background: var(--ink); }
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 1.6s ease-in-out;
}
.hero-slide.is-active { opacity: 1; }
/* 图片整体变暗，保证白字可读 */
.hero-slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 28, .55); /* 亮度约 0.45 */
  z-index: 1;
}
/* 底部渐变高斯模糊遮罩：从上到下渐隐，模糊约 10%，让文字压图更清晰 */
.hero-veil {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 64%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(12, 16, 32, 0) 0%, rgba(12, 16, 32, .6) 55%, rgba(12, 16, 32, .92) 100%);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 100%);
}
.hero .eyebrow { color: #D2AE00; }
.hero .eyebrow.hero-brand { font-size: 24px; text-transform: none; letter-spacing: .06em; }
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.12;
  letter-spacing: .01em;
  color: #fff;
  max-width: 15em;
}
.hero .lead {
  margin-top: 26px;
  max-width: 620px;
  font-size: 18px;
  color: #F5F7FF;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .55);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  margin-top: 84px;
  border-top: 1px solid rgba(255,255,255,.14);
}
.hero-stat { padding: 26px 26px 0 0; }
.hero-stat + .hero-stat { padding-left: 26px; border-left: 1px solid rgba(255,255,255,.12); }
.hero-stat .num {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 500;
  color: #fff;
  line-height: 1.1;
}
.hero-stat .num .plus { color: var(--gold); }
.hero-stat .lab {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dark-text);
}

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-subtle);
  transition: border-color .12s ease;
}
.card:hover { border-color: var(--line-strong); }

/* category cards */
.cat-card { display: block; position: relative; padding: 30px 28px 28px; }
.cat-card .idx {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--primary);
  display: block;
  margin-bottom: 22px;
}
.cat-card h3 { font-family: var(--serif); font-weight: 500; font-size: 20px; color: var(--ink); letter-spacing: .02em; }
.cat-card .en { margin-top: 6px; font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); }
.cat-card .meta { margin-top: 18px; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--ink-3); }
.cat-card .arrow { font-family: var(--serif); font-size: 18px; color: var(--primary); opacity: 0; transition: opacity .12s ease; }
.cat-card:hover .arrow { opacity: 1; }
.cat-card .count { letter-spacing: .08em; }

/* advantage cards */
.adv-card { padding: 34px 30px; }
.adv-card .glyph {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--primary);
  font-family: var(--serif);
  font-size: 18px;
  margin-bottom: 26px;
}
.adv-card h3 { font-family: var(--serif); font-weight: 500; font-size: 19px; color: var(--ink); }
.adv-card .en { margin-top: 4px; font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.adv-card p { margin-top: 14px; font-size: 14px; line-height: 1.8; color: var(--ink-3); }

/* ---------- product grid ---------- */
.grid-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.p-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .12s ease;
}
.p-card:hover { border-color: var(--primary); }
.p-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #F4F6FB;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.p-card__media img { width: 100%; height: 100%; object-fit: contain; }
.p-card__media .ph { width: 100%; height: 100%; object-fit: contain; }
.p-card__sku {
  position: absolute;
  left: 14px; bottom: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(26,26,26,.55);
}
.p-card__body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.p-card__tag {
  align-self: flex-start;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--primary-deep);
  border: 1px solid var(--primary-soft);
  background: var(--primary-soft);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.p-card__name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}
.p-card__name.is-empty { color: var(--ink-3); font-style: italic; }
.p-card__ids { margin-top: 10px; font-size: 12px; color: var(--ink-3); font-family: var(--mono); letter-spacing: .02em; line-height: 1.8; }
.p-card__ids b { font-weight: 600; color: var(--ink-2); font-family: var(--sans); }
.p-card__foot { margin-top: auto; padding-top: 16px; }

/* filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 18px 28px;
  padding: 26px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 40px;
}
.filter-groups { flex: 1 1 100%; }
.filter-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  min-height: 40px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-3);
  transition: border-color .12s ease, color .12s ease, background-color .12s ease;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.search-form { display: flex; gap: 0; width: 100%; max-width: 420px; }
.search-form input {
  flex: 1;
  min-height: 46px;
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-right: 0;
  border-radius: var(--radius) 0 0 var(--radius);
  font-size: 15px;
  background: var(--surface);
}
.search-form input:focus { outline: none; border-color: var(--primary); }
.search-form button {
  min-height: 46px;
  padding: 0 24px;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background-color .12s ease;
}
.search-form button:hover { background: var(--primary); }

.result-meta {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 28px; gap: 16px; flex-wrap: wrap;
}
.result-meta .count { font-size: 13px; color: var(--ink-3); letter-spacing: .04em; }
.result-meta .count b { color: var(--ink); font-family: var(--serif); font-size: 17px; font-weight: 500; }
.empty-state {
  padding: 80px 28px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}
.empty-state .big { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.empty-state p { margin-top: 10px; font-size: 14px; color: var(--ink-3); }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 40px;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--line-strong); }

/* ---------- product detail ---------- */
.p-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.p-media {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.p-media img { width: 100%; height: 100%; object-fit: contain; }
.p-info h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(26px, 3vw, 34px); color: var(--ink); line-height: 1.25; }
.p-info h1.is-empty { color: var(--ink-3); font-style: italic; }
.p-info .p-tagline { margin-top: 8px; font-size: 13px; letter-spacing: .06em; color: var(--ink-3); }
.meta-table { margin-top: 34px; border-top: 1px solid var(--line); }
.meta-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.meta-row dt { color: var(--ink-3); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; padding-top: 2px; }
.meta-row dd { color: var(--ink-2); word-break: break-word; }
.p-desc { margin-top: 40px; }
.p-desc h2 { font-family: var(--serif); font-weight: 500; font-size: 19px; color: var(--ink); margin-bottom: 14px; }
.p-desc p { font-size: 15px; line-height: 1.95; color: var(--ink-3); white-space: pre-line; }
.p-actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }
.related { margin-top: 96px; }
.related-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }

/* ---------- split band (about / factory intro) ---------- */
.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: center; }
.split .lead { margin-top: 22px; }
.split .body-list { margin-top: 30px; }
.split .body-list li {
  position: relative;
  padding: 14px 0 14px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-2);
}
.split .body-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 24px;
  width: 8px; height: 8px;
  border: 1px solid var(--primary);
  transform: rotate(45deg);
}
.photo-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow-subtle);
}
.photo-frame .ph { border-radius: calc(var(--radius) - 1px); overflow: hidden; }
.photo-frame .caption {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 6px 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.photo-frame .caption span:last-child { color: var(--primary); letter-spacing: .08em; }

/* ---------- CTA band ---------- */
.cta-band { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cta-panel { padding: 48px 44px; background: var(--surface); }
.cta-panel + .cta-panel { border-left: 1px solid var(--line); background: var(--ink); color: #fff; }
.cta-panel .eyebrow--dark { color: #D2AE00; }
.cta-panel h3 { font-family: var(--serif); font-weight: 500; font-size: 24px; color: var(--ink); line-height: 1.3; }
.cta-panel + .cta-panel h3 { color: #fff; }
.cta-panel p { margin-top: 12px; font-size: 14px; color: var(--ink-3); line-height: 1.8; }
.cta-panel + .cta-panel p { color: var(--dark-text); }
.cta-panel .btn { margin-top: 28px; }

/* ---------- factory / custom pages ---------- */
.page-hero { background: var(--ink); color: #fff; padding: 96px 0 72px; position: relative; }
.page-hero::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent 70%);
}
.page-hero .eyebrow { color: #D2AE00; }
.page-hero h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(30px, 4vw, 46px); color: #fff; line-height: 1.18; }
.page-hero .lead { margin-top: 20px; max-width: 640px; }

.num-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.num-cell { padding: 30px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.num-cell .num { font-family: var(--serif); font-size: 36px; font-weight: 500; color: var(--ink); line-height: 1.1; }
.num-cell .num .plus { color: var(--primary); }
.num-cell .lab { margin-top: 8px; font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.num-cell .note { margin-top: 6px; font-size: 12px; color: var(--ink-3); }

.equip-card { display: flex; gap: 20px; padding: 26px 24px; }
.equip-card .no { font-family: var(--serif); font-size: 22px; color: var(--primary); line-height: 1; }
.equip-card h3 { font-family: var(--serif); font-weight: 500; font-size: 17px; color: var(--ink); }
.equip-card .en { margin-top: 4px; font-size: 10px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.equip-card p { margin-top: 10px; font-size: 13px; line-height: 1.8; color: var(--ink-3); }

.steps { counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 30px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.step .no { font-family: var(--serif); font-size: 40px; font-weight: 500; color: var(--primary); line-height: 1; letter-spacing: .02em; }
.step h3 { font-family: var(--serif); font-weight: 500; font-size: 21px; color: var(--ink); }
.step .en { margin-top: 5px; font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.step p { margin-top: 12px; font-size: 14px; line-height: 1.85; color: var(--ink-3); max-width: 640px; }

.qc-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.qc-card { padding: 30px; border-top: 2px solid var(--primary); }
.qc-card h3 { font-family: var(--serif); font-weight: 500; font-size: 18px; color: var(--ink); }
.qc-card .code { margin-top: 6px; font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: var(--primary-deep); }
.qc-card p { margin-top: 12px; font-size: 13px; line-height: 1.8; color: var(--ink-3); }

.photo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: start; }
.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px 40px; box-shadow: var(--shadow-subtle); }
.form-card h2 { font-family: var(--serif); font-weight: 500; font-size: 24px; color: var(--ink); margin-bottom: 6px; }
.form-card .form-sub { font-size: 13px; color: var(--ink-3); margin-bottom: 34px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.field label .req { color: var(--primary); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  font-size: 16px; /* >=16px 防 iOS 缩放 */
  color: var(--ink);
  transition: border-color .12s ease;
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,122,0,.1);
}
.field select { appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%236F6A63' stroke-width='1.4'/></svg>"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.field .err { font-size: 12px; color: #B3261E; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; opacity: 0 !important; }
.form-actions { margin-top: 30px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-actions .note { font-size: 12px; color: var(--ink-3); }
.notice {
  padding: 16px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.notice--ok { background: #EDF5EC; border: 1px solid #C4DCC2; color: #2E5E2E; }
.notice--err { background: #FBEFEE; border: 1px solid #E4C5C0; color: #8C2F24; }
.form-loading { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-3); font-size: 13px; }
.spin { width: 14px; height: 14px; border: 2px solid var(--line-strong); border-top-color: var(--primary); border-radius: 50%; }
@keyframes spin360 { to { transform: rotate(360deg); } }
.spin { animation: spin360 .8s linear infinite; }

.info-list { display: grid; gap: 18px; }
.info-item { display: flex; gap: 18px; padding: 22px 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.info-item .ic { flex: none; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--primary); font-family: var(--serif); font-size: 15px; }
.info-item .lab { font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.info-item .val { margin-top: 4px; font-size: 15px; color: var(--ink-2); word-break: break-word; }
.info-item .val small { display: block; margin-top: 2px; font-size: 12px; color: var(--ink-3); }
.info-note {
  margin-top: 24px;
  padding: 20px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.9;
  color: var(--ink-3);
  background: var(--bg);
}

/* ---------- footer ---------- */
.site-footer { background: var(--footer-bg); color: var(--ink-3); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; padding: 72px 0 56px; }
.footer-brand .brand { color: var(--ink); }
.footer-brand p { margin-top: 18px; font-size: 13px; line-height: 1.9; max-width: 300px; }
.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 22px;
}
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { font-size: 13px; color: var(--ink-3); transition: color .12s ease; }
.footer-col a:hover { color: var(--ink); }
.footer-col .f-addr { font-size: 13px; line-height: 2; }
.footer-bottom {
  border-top: 1px solid rgba(22,42,135,.12);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  letter-spacing: .04em;
}
.footer-bottom .ver { font-family: var(--mono); color: var(--ink-3); letter-spacing: .1em; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .grid-products { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .num-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .nav-main { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav.is-open { display: block; }
  .header-lang { display: none; }
  .split, .p-detail, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .cta-band { grid-template-columns: 1fr; }
  .cta-panel + .cta-panel { border-left: 0; border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .photo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .grid-products { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .grid--3 { grid-template-columns: 1fr; }
  .qc-row { grid-template-columns: 1fr; }
  .hero { padding: 96px 0 72px; }
  .hero-stat { padding: 20px 0 0; }
  .hero-stat + .hero-stat { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; }
  .form-card { padding: 32px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 56px 1fr; gap: 20px; }
  .meta-row { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 480px) {
  .grid-products { grid-template-columns: 1fr; }
  .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .num-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .search-form { max-width: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .p-actions .btn { width: auto; }
  .p-actions { flex-direction: column; }
  .p-actions .btn { width: 100%; }
}

/* ---------- home: product line showcase ---------- */
.lineup { padding: 40px 0; }
.lineup + .lineup { border-top: 1px solid var(--line); }
.lineup-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.lineup-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--ink);
}
.lineup-name .en {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-left: 14px;
}
@media (max-width: 720px) {
  .lineup-name { font-size: 20px; }
  .lineup-name .en { display: block; margin-left: 0; margin-top: 4px; }
}