/* ============================================================
   LH Capacitors — Design System
   Aesthetic: Industrial Precision, Quietly Luxurious
   Dark ink hero + bone paper · copper accent (10%) · editorial asymmetry
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; }

/* ---------- Tokens ----------
   颜色全部集中在 assets/css/tokens.css（原始色阶 → 语义层 → 兼容层），
   必须在本文件之前引入。这里只保留非颜色类 token。 */
:root {
  /* Type — self-hosted (see fonts.css); fallbacks stay in the same genus */
  --f-display: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --f-body: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', 'Cascadia Mono', Consolas, 'Courier New', monospace;

  /* 4pt spacing scale */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px;
  --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px; --s10: 128px;

  /* Fluid type */
  --fs-hero: clamp(2.7rem, 5.5vw + 1rem, 5.4rem);
  --fs-2xl:  clamp(2rem, 3.2vw + 1rem, 3.1rem);
  --fs-xl:   clamp(1.5rem, 1.8vw + 1rem, 2.1rem);
  --fs-lg:   clamp(1.12rem, 1vw + 0.9rem, 1.35rem);
  --fs-base: 1.0625rem;
  --fs-sm:   0.875rem;
  --fs-xs:   0.75rem;

  /* Motion */
  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-q:  cubic-bezier(0.25, 1, 0.5, 1);
  --maxw: 1240px;
}

/* ---------- Base ---------- */
body {
  font-family: var(--f-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: var(--brand); color: var(--text-on-brand); }

h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; color: var(--text); }
p { max-width: 64ch; }
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(20px, 5vw, 56px); }

.mono { font-family: var(--f-mono); font-weight: 500; letter-spacing: 0.02em; }
.eyebrow {
  font-family: var(--f-mono); font-size: var(--fs-xs);
  text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--accent-mark); display: inline-flex; align-items: center; gap: var(--s3);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent-mark); display: inline-block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-family: var(--f-mono); font-size: var(--fs-sm); font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 14px 26px; border-radius: 2px;
  transition: transform .4s var(--ease), background .3s, color .3s, border-color .3s;
  will-change: transform;
}
.btn .arr { transition: transform .4s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn-brand { background: var(--brand); color: var(--text-on-brand); }
.btn-brand:hover { background: var(--brand-hover); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--border-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--text); transform: translateY(-2px); }
.btn-ghost { color: var(--on-dark); border: 1px solid var(--dark-line-2); }
.btn-ghost:hover { background: var(--dark-2); border-color: var(--accent-mark); }
.btn-lg { padding: 17px 32px; font-size: var(--fs-sm); }

/* ============================================================
   TOP UTILITY BAR
   ============================================================ */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 101;
  background: var(--dark); color: var(--on-dark-soft);
  border-bottom: 1px solid var(--dark-line);
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.06em;
  height: 34px; display: flex; align-items: center;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: var(--s5); }
.topbar .tb-left { display: flex; align-items: center; gap: var(--s5); }
.topbar .tb-item { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.topbar .tb-item svg { width: 12px; height: 12px; stroke: var(--on-dark-accent); fill: none; stroke-width: 2; flex: none; }
.topbar a.tb-item:hover { color: var(--on-dark-accent); }
.topbar .tb-right { display: flex; align-items: center; gap: var(--s4); }
.topbar .tb-cert { color: var(--on-dark-faint); letter-spacing: 0.1em; }
.topbar .tb-cert b { color: var(--on-dark-soft); font-weight: 500; }

/* ============================================================
   MEGA MENU (Products)
   ============================================================ */
.site-header {
  position: fixed; inset: 34px 0 auto 0; z-index: 100; top: 34px;
  /* NOTE: no backdrop-filter here — it would become the containing block for the
     fixed-position .mega panel and break its top offset (panel would float
     away from the header, leaking page content through the gap). */
  background: color-mix(in oklab, var(--surface-raised) 94%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .4s, background .4s, transform .4s var(--ease);
}
.nav .has-mega { position: static; }
.nav .mega {
  position: fixed; inset: 110px 0 auto 0; z-index: 99;
  background: var(--surface-raised); color: var(--text);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 50px 90px -60px color-mix(in oklab, var(--text) 40%, transparent);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
}
.nav .has-mega:hover .mega, .nav .has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: none; }
.mega-inner { padding: var(--s6) 0 var(--s7); }

/* top microcopy strip — hairline + deep-blue square bullet */
.mega-top {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--s5);
  padding-bottom: var(--s5); margin-bottom: var(--s4);
  border-bottom: 1px solid var(--border);
  font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted);
}
.mega-top span:first-child { color: var(--text); display: inline-flex; align-items: center; gap: var(--s3); }
.mega-top span:first-child::before { content: ""; width: 8px; height: 8px; background: var(--accent-mark); }

.mega-cols { display: grid; grid-template-columns: 1.7fr 1fr; gap: var(--s8); }

/* series — numbered editorial rows on white, hairlines, no boxes */
.mega-series { display: flex; flex-direction: column; }
.mega-series a {
  display: grid; grid-template-columns: 2.4rem 5.4rem 1fr auto 1.1rem;
  align-items: baseline; gap: var(--s4);
  padding: var(--s4) var(--s2); border-bottom: 1px solid var(--border);
  color: var(--text);
  transition: background .3s, padding-left .35s var(--ease);
}
.mega-series a:first-child { border-top: 1px solid var(--border); }
.mega-series .idx { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted); }
.mega-series .code { font-family: var(--f-display); font-weight: 600; font-size: var(--fs-lg); letter-spacing: .01em; color: var(--text); transition: color .3s; }
.mega-series .desc { font-size: var(--fs-sm); color: var(--text-secondary); }
.mega-series .hint { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: .06em; color: var(--text-muted); }
.mega-series .arr { color: var(--brand); opacity: 0; transform: translateX(-8px); transition: opacity .3s, transform .35s var(--ease); justify-self: end; }
.mega-series a:hover { background: var(--brand-subtle-2); padding-left: calc(var(--s2) + 10px); }
.mega-series a:hover .code { color: var(--brand); }
.mega-series a:hover .arr { opacity: 1; transform: none; }

/* side rail — quiet typographic list */
.mega-side { display: flex; flex-direction: column; padding-top: var(--s2); }
.mega-side h6 { font-family: var(--f-mono); font-weight: 500; font-size: var(--fs-xs); letter-spacing: .18em; text-transform: uppercase; color: var(--text-muted); margin-bottom: var(--s3); }
.mega-app { display: flex; flex-direction: column; }
.mega-app a {
  display: flex; justify-content: space-between; align-items: baseline;
  color: var(--text); font-size: var(--fs-sm);
  padding: var(--s3) 0; border-bottom: 1px solid var(--border);
  transition: color .3s, padding-left .3s var(--ease);
}
.mega-app a::after { content: "\2192"; font-size: .85rem; color: var(--brand); opacity: 0; transition: opacity .3s; }
.mega-app a:hover { color: var(--brand); padding-left: 6px; }
.mega-app a:hover::after { opacity: 1; }

/* CTA — the one deep-blue block on the white panel (深蓝+白的对比锚点) */
.mega-cta {
  margin-top: auto; background: var(--dark); color: var(--on-dark);
  padding: var(--s5); display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .14em; text-transform: uppercase;
  transition: background .3s;
}
.mega-cta:hover { background: var(--dark-2); }
.mega-cta .arr { color: var(--on-dark-accent); transition: transform .35s var(--ease); }
.mega-cta:hover .arr { transform: translateX(5px); }

/* ============================================================
   FINDER — two paths to product (core discovery module)
   ============================================================ */
.finder { display: grid; grid-template-columns: 1.35fr 1fr; gap: var(--s6); align-items: stretch; }
.path { border: 1px solid var(--border-strong); background: var(--surface-raised); border-radius: 3px; display: flex; flex-direction: column; overflow: hidden; }
.path-dark { background: var(--dark); border-color: var(--dark-line-2); color: var(--on-dark); }
.path-head { display: flex; align-items: baseline; gap: var(--s4); padding: var(--s6) var(--s6) var(--s5); border-bottom: 1px solid var(--border); }
.path-dark .path-head { border-bottom-color: var(--dark-line); }
.path-head .pno { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.2em; color: var(--accent-mark); }
.path-dark .path-head .pno { color: var(--on-dark-accent); }
.path-head h3 { font-size: var(--fs-xl); letter-spacing: -0.02em; }
.path-dark .path-head h3 { color: var(--on-dark); }
.path-head .hint { margin-left: auto; font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: 0.06em; }
.path-dark .path-head .hint { color: var(--on-dark-faint); }
.path-body { padding: var(--s5) var(--s6) var(--s6); flex: 1; }

/* Series quick-list (path A) */
.series-quick { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }
.sq {
  border: 1px solid var(--border); padding: var(--s4) var(--s5); border-radius: 2px;
  display: flex; flex-direction: column; gap: 6px; background: var(--surface-raised);
  transition: border-color .3s, transform .35s var(--ease), box-shadow .35s var(--ease);
}
.sq:hover { border-color: var(--accent-mark); transform: translateY(-3px); box-shadow: 0 18px 36px -26px color-mix(in oklab, var(--text) 45%, transparent); }
.sq .code { font-family: var(--f-display); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; color: var(--text); }
.sq .code .lh { color: var(--accent-mark); }
.sq .desc { font-size: var(--fs-xs); color: var(--text-secondary); line-height: 1.5; }
.sq .chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: auto; padding-top: var(--s3); }
.sq .chip { font-family: var(--f-mono); font-size: 0.66rem; letter-spacing: 0.04em; color: var(--text-secondary); background: var(--surface-sunken-2); padding: 3px 8px; border-radius: 999px; white-space: nowrap; }

/* Application tiles (path B) */
.app-quick { display: flex; flex-direction: column; gap: var(--s3); }
.aq {
  display: grid; grid-template-columns: auto 1fr auto; gap: var(--s4); align-items: center;
  padding: var(--s4) var(--s5); border: 1px solid var(--dark-line); border-radius: 2px;
  transition: border-color .3s, background .3s, transform .3s var(--ease);
}
.aq:hover { border-color: var(--on-dark-accent); background: var(--dark-2); transform: translateX(4px); }
.aq .ai { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--dark-line-2); border-radius: 2px; color: var(--on-dark-accent); }
.aq .ai svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.aq .at { font-family: var(--f-display); font-weight: 600; font-size: 1.02rem; color: var(--on-dark); letter-spacing: -0.01em; }
.aq .as { font-family: var(--f-mono); font-size: 0.68rem; color: var(--on-dark-faint); letter-spacing: 0.05em; margin-top: 2px; }
.aq .go { color: var(--on-dark-faint); font-size: 1.1rem; transition: color .3s, transform .3s var(--ease); }
.aq:hover .go { color: var(--on-dark-accent); transform: translateX(3px); }
.path-note { font-size: var(--fs-xs); color: var(--on-dark-faint); margin-top: var(--s5); padding-top: var(--s4); border-top: 1px solid var(--dark-line); }
.path-note a { color: var(--on-dark-accent); border-bottom: 1px solid var(--on-dark-accent); }

/* ============================================================
   HEADER (base rule restored — see .site-header above)
   ============================================================ */
.site-header.scrolled { border-bottom-color: var(--border); }
.site-header.hide { transform: translateY(-100%); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: var(--s3); }
.brand .mono-mark {
  width: auto; height: 40px; display: block;
}
.brand .mono-mark img { display: block; height: 100%; width: auto; }
.brand .mono-mark::after { display: none; }
.brand .b-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand .brand-name { font-family: var(--f-display); font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }
.brand .brand-sub { font-family: var(--f-mono); font-size: 0.62rem; letter-spacing: 0.16em; color: var(--text-muted); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: var(--s6); }
/* scoped to top-level links only — descendant rules would leak into the .mega panel
   and override its own link colors (specificity bug found in contrast audit) */
.nav > a, .nav > .has-mega > a { font-size: var(--fs-sm); font-weight: 500; color: var(--text-secondary); position: relative; padding: 6px 0; transition: color .3s; }
.nav > a::after, .nav > .has-mega > a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--accent-mark); transition: width .35s var(--ease); }
.nav > a:hover, .nav > .has-mega > a:hover { color: var(--text); }
.nav > a:hover::after, .nav > .has-mega > a:hover::after, .nav > a.active::after, .nav > .has-mega > a.active::after { width: 100%; }
.nav > a.active, .nav > .has-mega > a.active { color: var(--text); }
.nav-cta {
  font-family: var(--f-mono) !important; font-size: var(--fs-xs) !important;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-accent) !important;
  background: var(--brand); padding: 11px 18px !important; border-radius: 2px;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--brand-hover); color: var(--on-accent) !important; }

/* 语言切换：下拉框 */
.nav-lang { position: relative; }
.nav-lang .lang-btn {
  font-family: var(--f-mono) !important; font-size: var(--fs-xs) !important;
  letter-spacing: 0.08em; color: var(--text-secondary) !important;
  border: 1px solid var(--border); padding: 5px 10px; border-radius: 2px;
  background: transparent; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  transition: border-color .3s, color .3s;
}
.nav-lang .lang-btn .caret { font-size: 9px; line-height: 1; transition: transform .25s; }
.nav-lang .lang-btn:hover, .nav-lang.open .lang-btn { border-color: var(--accent-mark); color: var(--text) !important; }
.nav-lang.open .lang-btn .caret { transform: rotate(180deg); }
.nav-lang .lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 138px;
  background: var(--surface-raised); border: 1px solid var(--border); border-radius: 2px;
  box-shadow: 0 12px 30px rgba(10, 20, 30, .14); padding: 6px;
  display: none; z-index: 80;
}
.nav-lang.open .lang-menu { display: block; }
.nav-lang .lang-menu a {
  display: block; padding: 8px 10px; font-size: var(--fs-sm);
  color: var(--text-secondary) !important; text-decoration: none; border-radius: 2px;
}
.nav-lang .lang-menu a::after { display: none; }
.nav-lang .lang-menu a:hover { background: var(--surface-sunken); color: var(--text) !important; }
.nav-lang .lang-menu a.on { color: var(--text) !important; font-weight: 600; }
.nav-lang .lang-menu a.on::before { content: "·"; margin-right: 6px; color: var(--accent-mark); }

.nav-toggle { display: none; font-size: 1.5rem; color: var(--text); }

/* ============================================================
   HERO — dark, full-bleed, asymmetric
   ============================================================ */
.hero {
  position: relative; background: var(--surface); color: var(--text);
  padding-top: calc(110px + var(--s10)); padding-bottom: var(--s8);
  overflow: hidden; isolation: isolate;
}
.hero::before { /* subtle grid texture */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--text) 5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--text) 5%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 30%, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 90% 70% at 70% 30%, #000 30%, transparent 80%);
  opacity: .5;
}
/* Hero background photo + contrast veil */
.hero-bg { position: absolute; inset: 0; z-index: -4; width: 100%; height: 100%; object-fit: cover; }
.hero-veil {
  position: absolute; inset: 0; z-index: -3;
  background:
    linear-gradient(105deg, color-mix(in oklab, var(--surface) 93%, transparent) 0%, color-mix(in oklab, var(--surface) 72%, transparent) 42%, color-mix(in oklab, var(--surface) 46%, transparent) 100%),
    linear-gradient(to top, color-mix(in oklab, var(--surface) 85%, transparent) 0%, transparent 32%);
}
.hero-cap { /* capacitor cross-section line art (kept as fallback motif) */
  position: absolute; z-index: -1; right: -8%; top: 50%; transform: translateY(-50%);
  width: min(56vw, 720px); opacity: .5; pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--s8); align-items: end; }
.hero h1 {
  color: var(--text); font-size: var(--fs-hero); font-weight: 600;
  letter-spacing: -0.035em; line-height: 0.98; margin: var(--s5) 0 var(--s5);
}
.hero h1 .amber { color: var(--accent-mark); }
.hero-lead { color: var(--text-secondary); font-size: var(--fs-lg); max-width: 46ch; }
.hero .eyebrow { color: var(--accent-mark); }
.hero .eyebrow::before { background: var(--accent-mark); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s6); }

.hero-side { border-left: 1px solid var(--border); padding-left: var(--s6); }
.hero-side .stat { padding: var(--s4) 0; border-bottom: 1px solid var(--border); }
.hero-side .stat:last-child { border-bottom: none; }
.hero-side .stat .n { font-family: var(--f-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; color: var(--text); letter-spacing: -0.02em; }
.hero-side .stat .n .u { font-family: var(--f-mono); font-size: 0.9rem; color: var(--accent-mark); margin-left: 4px; }
.hero-side .stat .l { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-top: 4px; }

/* Spec ticker — industrial marquee */
.spec-ticker {
  position: relative; margin-top: var(--s8); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); padding: var(--s4) 0; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.spec-ticker .track { display: flex; gap: var(--s7); width: max-content; animation: ticker 38s linear infinite; }
.spec-ticker .tag { font-family: var(--f-mono); font-size: var(--fs-sm); color: var(--text-secondary); letter-spacing: 0.08em; white-space: nowrap; display: inline-flex; align-items: center; gap: var(--s3); }
.spec-ticker .tag::before { content: ""; width: 5px; height: 5px; background: var(--accent-mark); border-radius: 50%; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ============================================================
   SECTIONS — editorial, light paper
   ============================================================ */
.section { padding-block: var(--s8); }
.section-head { max-width: 60ch; margin-bottom: var(--s8); }
.section-head .sec-no { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-mark); letter-spacing: 0.2em; }
.section-head h2 { font-size: var(--fs-2xl); margin: var(--s3) 0 var(--s4); letter-spacing: -0.03em; }
.section-head p { color: var(--text-secondary); font-size: var(--fs-lg); }

.crumb { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: var(--s5); text-transform: uppercase; }
.crumb a:hover { color: var(--brand); }

/* ---------- Entry trio (Products / Datasheets / Contact) ---------- */
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.entry {
  background: var(--surface-raised); padding: var(--s7) var(--s6); display: flex; flex-direction: column; gap: var(--s4);
  position: relative; transition: background .4s var(--ease); min-height: 240px;
}
.entry:hover { background: var(--surface-sunken); }
.entry .ix { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-mark); letter-spacing: 0.16em; }
.entry h3 { font-size: var(--fs-xl); letter-spacing: -0.02em; }
.entry p { color: var(--text-secondary); font-size: var(--fs-sm); }
.entry .go { margin-top: auto; font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); display: inline-flex; gap: var(--s2); align-items: center; transition: gap .3s var(--ease); }
.entry:hover .go { gap: var(--s4); color: var(--brand); }

/* ---------- Product series — spec-sheet cards ---------- */
.series-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5); }
.series {
  border: 1px solid var(--border); border-top: 2px solid var(--accent-mark);
  background: var(--surface-raised); padding: var(--s6); display: flex; flex-direction: column; gap: var(--s4);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}
.series:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -28px color-mix(in oklab, var(--text) 40%, transparent); border-color: var(--border-strong); }
.series .tag { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-mark); }
.series h3 { font-size: var(--fs-xl); letter-spacing: -0.02em; }
.series p { color: var(--text-secondary); font-size: var(--fs-sm); }
.series .spec { display: grid; grid-template-columns: auto 1fr; gap: 6px var(--s4); font-family: var(--f-mono); font-size: var(--fs-xs); border-top: 1px solid var(--border); padding-top: var(--s4); margin-top: auto; }
.series .spec dt { color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; }
.series .spec dd { color: var(--text); text-align: right; }
.series .more { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); border-bottom: 1px solid var(--accent-mark); padding-bottom: 3px; align-self: flex-start; transition: color .3s; }
.series:hover .more { color: var(--brand); }

/* ---------- Applications ---------- */
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.app { background: var(--surface-raised); padding: var(--s6) var(--s5); transition: background .35s; position: relative; }
.app:hover { background: var(--surface-sunken); }
.app .no { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: 0.1em; }
.app h4 { font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; margin-top: var(--s3); letter-spacing: -0.01em; }
.app .bar { height: 2px; width: 0; background: var(--accent-mark); margin-top: var(--s4); transition: width .5s var(--ease); }
.app:hover .bar { width: 40px; }

/* ---------- Factory strength (dark band) ---------- */
/* certificate cards reused on the dark strength band (light-surface .cert colors don't apply) */
.strength .cert { border-color: var(--border); }
.strength .cert .c-mark { color: var(--text); }
.strength .cert .c-sub { color: var(--accent-mark); }
.strength-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s8); align-items: center; }
.strength-copy h3 { color: var(--text); font-size: var(--fs-xl); margin-bottom: var(--s4); letter-spacing: -0.02em; }
.strength-copy p { color: var(--text-secondary); }
.strength-copy .feat { display: flex; gap: var(--s3); padding: var(--s3) 0; border-bottom: 1px solid var(--border); font-size: var(--fs-sm); color: var(--text-secondary); }
.strength-copy .feat::before { content: "▸"; color: var(--on-dark-accent); }
.strength-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.strength-stats .cell { background: var(--surface); padding: var(--s6); }
.strength-stats .cell .n { font-family: var(--f-display); font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 600; color: var(--text); letter-spacing: -0.02em; }
.strength-stats .cell .n .u { color: var(--on-dark-accent); font-family: var(--f-mono); font-size: 1rem; margin-left: 4px; }
.strength-stats .cell .l { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-top: 6px; }
/* light-surface variant of the stats grid (used on About) */
.stats-light { border-color: var(--border); background: var(--border); }
.stats-light .cell { background: var(--surface-sunken); }
.stats-light .cell .n { color: var(--text); }
.stats-light .cell .n .u { color: var(--accent-mark); }
.stats-light .cell .l { color: var(--text-muted); }

/* ---------- News / editorial list ---------- */
.news-list { border-top: 1px solid var(--border); }
.news-item { display: grid; grid-template-columns: 160px 1fr auto; gap: var(--s6); align-items: baseline; padding: var(--s6) 0; border-bottom: 1px solid var(--border); transition: padding-left .4s var(--ease); }
.news-item:hover { padding-left: var(--s4); }
.news-item .date { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; color: var(--accent-mark); text-transform: uppercase; }
.news-item h3 { font-size: var(--fs-lg); letter-spacing: -0.01em; }
.news-item p { color: var(--text-secondary); font-size: var(--fs-sm); margin-top: var(--s2); }
.news-item .go { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: 0.08em; white-space: nowrap; }
.news-item:hover .go { color: var(--brand); }

/* ============================================================
   DOWNLOADS
   ============================================================ */
.dl-filter { display: flex; flex-wrap: wrap; gap: var(--s2); margin-bottom: var(--s7); }
.dl-chip { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; padding: 8px 16px; border: 1px solid var(--border-strong); border-radius: 999px; color: var(--text-secondary); transition: all .3s var(--ease); }
.dl-chip.active, .dl-chip:hover { background: var(--text); color: var(--surface-raised); border-color: var(--text); }
.dl-list { border-top: 1px solid var(--border); }
.dl-row { display: grid; grid-template-columns: auto 1fr auto; gap: var(--s5); align-items: center; padding: var(--s5) 0; border-bottom: 1px solid var(--border); transition: padding-left .35s var(--ease); }
.dl-row:hover { padding-left: var(--s3); }
.dl-row .ftype { font-family: var(--f-mono); font-size: var(--fs-xs); font-weight: 500; color: var(--accent-mark); border: 1px solid var(--border-strong); padding: 6px 10px; border-radius: 2px; letter-spacing: 0.06em; }
.dl-row .t { font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.dl-row .s { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: 0.04em; margin-top: 3px; }

.panel { border: 1px solid var(--border-strong); background: var(--surface-sunken); padding: var(--s7); border-radius: 3px; }
.panel h3 { font-size: var(--fs-xl); margin-bottom: var(--s3); letter-spacing: -0.02em; }
.panel .desc { color: var(--text-secondary); font-size: var(--fs-sm); margin-bottom: var(--s5); }

/* ============================================================
   ABOUT
   ============================================================ */
.about-hero { background: var(--surface); color: var(--text); padding-top: calc(110px + var(--s9)); padding-bottom: var(--s9); }
.about-hero .eyebrow { color: var(--accent-mark); }
.about-hero .eyebrow::before { background: var(--accent-mark); }
.about-hero h1 { color: var(--text); font-size: var(--fs-2xl); letter-spacing: -0.03em; margin: var(--s4) 0 var(--s5); max-width: 22ch; }
.about-hero p { color: var(--text-secondary); font-size: var(--fs-lg); max-width: 52ch; }
.timeline { border-left: 1px solid var(--border); margin-left: 8px; }
.tl-item { display: grid; grid-template-columns: 120px 1fr; gap: var(--s6); padding: var(--s6) 0 var(--s6) var(--s6); border-bottom: 1px solid var(--border); position: relative; }
.tl-item::before { content: ""; position: absolute; left: -5px; top: calc(var(--s6) + 8px); width: 9px; height: 9px; background: var(--accent-mark); border-radius: 50%; }
.tl-item .yr { font-family: var(--f-mono); font-size: var(--fs-sm); color: var(--accent-mark); letter-spacing: 0.08em; }
.tl-item h4 { font-family: var(--f-display); font-weight: 600; font-size: 1.15rem; margin-bottom: var(--s2); letter-spacing: -0.01em; }
.tl-item p { color: var(--text-secondary); font-size: var(--fs-sm); }
/* ============================================================
   CERTIFICATIONS — 证书图像卡片 + 灯箱
   参考同行做法（村田直出证书图 / TDK 给原件链接）：
   卡片正面即证书扫描件，点击放大查看中英双语原件。
   不显示签发/到期日期——证书本身有有效期，页面标注反而
   变成"过期"暗示，且与官网更新节奏脱节。
   ============================================================ */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s4); margin-top: var(--s6); }
.cert {
  border: 1px solid var(--border); background: var(--surface-raised);
  display: flex; flex-direction: column; overflow: hidden;
  transition: border-color .35s var(--ease-q), box-shadow .35s var(--ease-q), transform .35s var(--ease-q);
}
.cert:hover { border-color: var(--border-strong); box-shadow: 0 18px 44px -28px rgba(9,23,38,.45); transform: translateY(-3px); }

/* 证书图像：白底衬纸，像放在相纸卡里的证件照 */
.cert-shot {
  position: relative; display: block; overflow: hidden;
  background: #fff; border-bottom: 1px solid var(--border);
  aspect-ratio: 1 / 1.28;
}
.cert-shot img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  display: block; transition: transform .7s var(--ease-q);
}
.cert:hover .cert-shot img { transform: scale(1.035); }
/* 放大提示 */
.cert-shot::after {
  content: "View full certificate";
  position: absolute; left: 50%; bottom: 10px; transform: translate(-50%, 6px);
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase;
  color: #fff; background: rgba(9,23,38,.82); padding: 6px 12px; border-radius: 2px;
  opacity: 0; transition: opacity .3s var(--ease-q), transform .3s var(--ease-q);
  pointer-events: none; white-space: nowrap;
}
.cert:hover .cert-shot::after { opacity: 1; transform: translate(-50%, 0); }
/* 角标：标准号压在图上 */
.cert-badge {
  position: absolute; top: 0; left: 0; z-index: 2;
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: .12em;
  color: var(--on-dark); background: var(--navy-800);
  padding: 7px 12px;
}

.cert-body { padding: var(--s4) var(--s5); display: flex; flex-direction: column; justify-content: flex-start; flex: 1; }
.cert .c-mark { font-family: var(--f-display); font-weight: 700; font-size: 1.3rem; color: var(--text); letter-spacing: -0.02em; }
.cert .c-sub { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-mark); letter-spacing: 0.08em; margin-top: 5px; line-height: 1.55; }
.cert .c-no {
  font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted);
  margin-top: auto; padding-top: var(--s4);
}
/* 图下说明 */
.cert-note {
  font-size: var(--fs-sm); color: var(--text-muted);
  margin-top: var(--s5); max-width: 68ch;
}

/* --- 证书灯箱：点图看原件 --- */
.cert-lb {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(9,23,38,.93);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 20px; opacity: 0; visibility: hidden;
  transition: opacity .28s var(--ease-q), visibility .28s var(--ease-q);
}
.cert-lb.open { opacity: 1; visibility: visible; }
.cert-lb figure { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.cert-lb img {
  max-width: min(94vw, 1500px); max-height: 84vh; width: auto; height: auto;
  background: #fff; box-shadow: 0 30px 80px -30px rgba(0,0,0,.8);
  transform: scale(.97); transition: transform .3s var(--ease-q);
}
.cert-lb.open img { transform: scale(1); }
.cert-lb figcaption {
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: .1em;
  color: rgba(255,255,255,.72); text-align: center;
}
.cert-lb-close {
  position: absolute; top: 20px; right: 24px;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  color: #fff; font-size: 22px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .25s var(--ease-q);
}
.cert-lb-close:hover { background: rgba(255,255,255,.2); }
/* 双语原件切换 */
.cert-lb-tabs { display: flex; gap: 8px; }
.cert-lb-tabs button {
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.7);
  padding: 7px 14px; border-radius: 2px; cursor: pointer; transition: all .25s var(--ease-q);
}
.cert-lb-tabs button.on { background: #fff; color: var(--navy-800); border-color: #fff; }
.cert-lb-tabs button:hover { color: #fff; border-color: rgba(255,255,255,.5); }
.cert-lb-tabs button.on:hover { color: var(--navy-800); }

/* ============================================================
   WHY LH / OUR ADVANTAGES
   ============================================================ */
/* 自有工厂实拍图位（预留空位） */
.adv-factory { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--s5); margin-bottom: var(--s8); }
.factory-ph { margin: 0; }
.ph-frame {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--s3);
  aspect-ratio: 16 / 9;
  border: 2px dashed var(--border-strong); border-radius: 14px;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 13px, color-mix(in oklab, var(--text) 4%, transparent) 13px, color-mix(in oklab, var(--text) 4%, transparent) 14px),
    var(--surface-sunken);
  color: var(--text-muted); text-align: center; padding: var(--s6);
}
.factory-portrait .ph-frame { aspect-ratio: 3 / 4; }
.ph-ico { width: 46px; height: 46px; fill: none; stroke: var(--accent-mark); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; opacity: .85; }
.ph-cap { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: .08em; color: var(--text-secondary); text-transform: uppercase; }
.ph-hint { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-muted); }
/* 实拍图就位：删除 .ph-frame，换入 <img>，自动按原比例铺满圆角框 */
.factory-ph img { width: 100%; aspect-ratio: 16 / 9; height: auto; object-fit: cover; border-radius: 14px; display: block; }
.factory-portrait img { aspect-ratio: 3 / 4; }

/* 四大优势卡 */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s5); margin-bottom: var(--s8); }
.adv-card {
  position: relative; padding: var(--s6) var(--s5) var(--s6) var(--s6);
  background: var(--surface-raised); border: 1px solid var(--border);
  border-left: 2px solid var(--accent-mark);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -30px color-mix(in oklab, var(--text) 38%, transparent); border-left-color: var(--brand); }
.adv-ix { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-mark); letter-spacing: .16em; }
.adv-card h3 { font-size: var(--fs-lg); letter-spacing: -0.01em; margin: var(--s3) 0 var(--s4); }
.adv-card p { color: var(--text-secondary); font-size: var(--fs-sm); max-width: none; }

/* 四大能力条 */
.cap-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s6);
  background: var(--surface-sunken); border: 1px solid var(--border);
  padding: var(--s7) var(--s6); border-radius: 14px;
}
.cap { display: flex; flex-direction: column; gap: var(--s3); }
.cap-no {
  font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-mark);
  width: 28px; height: 28px; display: grid; place-items: center;
  border: 1px solid var(--accent-mark); border-radius: 50%;
}
.cap strong { font-family: var(--f-display); font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.cap ul { display: flex; flex-direction: column; gap: 7px; }
.cap li { font-size: var(--fs-sm); color: var(--text-secondary); padding-left: 14px; position: relative; }
.cap li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent-mark); }

/* ============================================================
   CONTACT / FORM
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--s9); align-items: start; }
.contact-info .ch { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-mark); margin-bottom: var(--s3); }
.contact-info .row { padding: var(--s4) 0; border-bottom: 1px solid var(--border); }
.contact-info .row .k { font-size: var(--fs-sm); color: var(--text-muted); }
.contact-info .row .v { font-family: var(--f-display); font-weight: 500; font-size: 1.05rem; margin-top: 2px; }
.contact-info .row .v a:hover { color: var(--brand); }

.form { border: 1px solid var(--border-strong); background: var(--surface-raised); padding: var(--s7); border-radius: 3px; }
.field { margin-bottom: var(--s5); }
.field label { display: block; font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: var(--s2); }
.field label .req { color: var(--state-warn); }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--f-body); font-size: var(--fs-base); color: var(--text);
  background: var(--surface-raised); border: 1px solid var(--border-strong); border-radius: 2px;
  padding: 13px 15px; transition: border-color .3s, box-shadow .3s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-focus-ring); }
.field textarea { resize: vertical; min-height: 120px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); }
.consent { display: flex; gap: var(--s3); align-items: flex-start; margin: var(--s4) 0 var(--s6); font-size: var(--fs-sm); color: var(--text-secondary); }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--brand); flex: none; }
.form-status { font-family: var(--f-mono); font-size: var(--fs-sm); padding: var(--s3) var(--s4); border-radius: 2px; margin-bottom: var(--s4); display: none; }
.form-status.ok  { display: block; background: var(--state-success-bg); color: var(--state-success); border: 1px solid var(--state-success); }
.form-status.err { display: block; background: var(--state-danger-bg);  color: var(--state-danger);  border: 1px solid var(--state-danger); }
.field input.invalid, .field select.invalid, .consent.invalid input { border-color: var(--state-danger); box-shadow: 0 0 0 3px var(--state-danger-bg); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--surface); color: var(--text-secondary); padding-top: var(--s8); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s7); padding-bottom: var(--s8); border-bottom: 1px solid var(--border); }
.footer-brand .mono-mark { width: auto; height: 48px; font-size: 0; background: none; display: block; }
.footer-brand .mono-mark::after { display: none; }
.footer-brand .mono-mark img { display: block; height: 100%; width: auto; }
.footer-brand .fb-name { font-family: var(--f-display); font-weight: 600; font-size: 1.3rem; color: var(--text); letter-spacing: -0.02em; margin-top: var(--s4); }
.footer-brand p { font-size: var(--fs-sm); margin-top: var(--s3); max-width: 34ch; }
.footer-col h5 { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); margin-bottom: var(--s4); }
.footer-col a { display: block; font-size: var(--fs-sm); padding: 7px 0; color: var(--text-secondary); transition: color .3s, padding-left .3s var(--ease); }
.footer-col a:hover { color: var(--accent-mark); padding-left: 5px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s4); padding: var(--s5) 0 var(--s7); font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.06em; color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent-mark); }

/* ---------- Featured product spotlight (image-led, Nichicon pattern) ---------- */
.feature-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: var(--s9); align-items: center; }
.feature-media { position: relative; }
.feature-media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 3px; box-shadow: 0 40px 80px -50px color-mix(in oklab, var(--text) 70%, transparent); }
.feature-media .pin {
  position: absolute; left: var(--s4); bottom: var(--s4);
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase;
  background: color-mix(in oklab, var(--dark) 78%, transparent); color: var(--on-dark);
  padding: 9px 14px; border-radius: 2px; backdrop-filter: blur(6px);
  border: 1px solid color-mix(in oklab, var(--on-dark) 18%, transparent);
}
.feature-copy h2 { font-size: var(--fs-2xl); margin: var(--s4) 0 var(--s5); letter-spacing: -0.03em; }
.feature-copy .lead { color: var(--text-secondary); font-size: var(--fs-lg); }
.feature-copy .kv { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); margin: var(--s6) 0; }
.feature-copy .kv > div { background: var(--surface-raised); padding: var(--s4) var(--s5); }
.feature-copy .kv .k { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
.feature-copy .kv .v { font-family: var(--f-display); font-weight: 600; font-size: 1.15rem; color: var(--text); margin-top: 3px; letter-spacing: -0.01em; }

/* ---------- Factory strength with real photo ---------- */
.strength-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s7); align-items: center; }
.strength-media { position: relative; }
.strength-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 3px; border: 1px solid var(--border-strong); }
.strength-media .cap { position: absolute; right: var(--s4); bottom: var(--s4); font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; background: color-mix(in oklab, var(--dark) 80%, transparent); color: var(--on-dark); padding: 9px 14px; border-radius: 2px; border: 1px solid color-mix(in oklab, var(--on-dark) 16%, transparent); }

/* ============================================================
   REVEAL MOTION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal[data-d="5"] { transition-delay: .40s; }

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s7); }
  .hero-side { border-left: none; border-top: 1px solid var(--dark-line); padding-left: 0; padding-top: var(--s5); display: grid; grid-template-columns: 1fr 1fr; }
  .hero-cap { opacity: .25; right: -25%; }
  .strength-grid { grid-template-columns: 1fr; gap: var(--s7); }
  .feature-grid { grid-template-columns: 1fr; gap: var(--s7); }
  .feature-media img { aspect-ratio: 16 / 11; }
  .strength-layout { grid-template-columns: 1fr; gap: var(--s6); }
  .contact-grid { grid-template-columns: 1fr; gap: var(--s7); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--s6); }
  .finder { grid-template-columns: 1fr; gap: var(--s5); }
  .mega-cols { grid-template-columns: 1fr; gap: var(--s6); }
  .mega { position: absolute; }
  .topbar .tb-cert { display: none; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(2, 1fr); gap: var(--s6) var(--s5); }
}
@media (max-width: 760px) {
  .nav { position: fixed; inset: 110px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--surface-raised); border-bottom: 1px solid var(--border); padding: var(--s4) clamp(20px,5vw,56px); transform: translateY(-102%); visibility: hidden; transition: transform .45s var(--ease), visibility 0s .5s; box-shadow: 0 20px 40px -30px var(--text); max-height: calc(100vh - 110px); overflow-y: auto; }
  .nav.open { transform: translateY(0); visibility: visible; transition: transform .45s var(--ease), visibility 0s 0s; }
  .nav a { padding: var(--s4) 0; border-bottom: 1px solid var(--border); }
  .mega { display: none; }
  .nav-cta { margin-top: var(--s3); text-align: center; }
  .nav-toggle { display: block; }
  .entry-grid, .series-grid, .app-grid, .cert-grid { grid-template-columns: 1fr; }
  .app-grid { gap: 0; }
  .series-quick { grid-template-columns: 1fr; }
  .strength-stats { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: var(--s2); }
  .news-item .go { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-side { grid-template-columns: 1fr; }
  .section { padding-block: var(--s7); }
  .tl-item { grid-template-columns: 1fr; gap: var(--s2); }
  .adv-factory { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; gap: var(--s5); }
  .topbar .tb-left .tb-item.hide-sm { display: none; }
  .path-head { flex-wrap: wrap; gap: var(--s2); }
  .path-head .hint { margin-left: 0; width: 100%; }
}

/* ============================================================
   CAROUSEL — APPLICATIONS · field dossier console
   One unified frame: nameplate bar (top) · copy rail (left) +
   pure photo viewport (right) · control bar (bottom).
   All wording lives in the rail; the photo stays clean.
   ============================================================ */
.carousel { background: var(--surface); color: var(--text); }
.carousel .section-head h2 { color: var(--text); }
.carousel .section-head .sec-no { color: var(--accent-mark); }
.carousel .section-head p { color: var(--text-muted); }
/* compact footprint: this console sits inside a light page — keep it tighter
   than a full .section so it doesn't dominate at 100% zoom */
section.carousel { padding-block: var(--s7); }
.carousel .section-head { margin-bottom: var(--s6); }
.car { margin-top: var(--s6); }

/* ---------- console frame ---------- */
.car-frame {
  border: 1px solid var(--dark-line); border-radius: 3px; overflow: hidden;
  background: color-mix(in oklab, var(--on-dark) 2.5%, var(--dark));
}
.car-status {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  padding: 11px var(--s5);
  background: color-mix(in oklab, var(--on-dark) 4%, var(--dark));
  border-bottom: 1px solid var(--dark-line);
  font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-faint);
}
/* ---------- status-bar tabs: the three application channels ---------- */
.car-tabs { display: flex; align-items: center; gap: var(--s5); min-width: 0; }
.car-tab {
  position: relative;
  display: inline-flex; align-items: baseline; gap: 7px;
  font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--on-dark-faint);
  background: none; border: none; cursor: pointer;
  padding: 0 0 4px;
  white-space: nowrap;
  transition: color .3s;
}
.car-tab .tn {
  color: var(--on-dark-accent);
  transition: color .3s;
}
.car-tab::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--on-dark-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.car-tab:hover { color: var(--on-dark); }
.car-tab:hover::after { transform: scaleX(.3); }
.car-tab.on { color: var(--on-dark); }
.car-tab.on .tn { color: var(--on-dark-accent); }
.car-tab.on::after { transform: scaleX(1); }
.car-tab:focus-visible { outline: 1px solid var(--on-dark-accent); outline-offset: 3px; }

/* ---------- stage: all slides stacked in one grid cell ---------- */
.car-stage { display: grid; padding: var(--s6); }
.car-slide {
  grid-area: 1 / 1;
  display: grid; grid-template-columns: 5fr 7fr; align-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .55s var(--ease), transform .55s var(--ease), visibility .55s;
}
.car-slide.is-active { opacity: 1; visibility: visible; transform: none; }

/* ---------- left rail: the dossier entry ---------- */
.car-rail { border-right: 1px solid var(--dark-line); padding-right: var(--s6); }
.car-num {
  display: block; font-family: var(--f-display); font-weight: 300;
  font-size: clamp(2.2rem, 3.2vw + .5rem, 3.5rem); line-height: .86;
  letter-spacing: -.045em;
  color: color-mix(in oklab, var(--on-dark) 20%, transparent);
  margin-bottom: var(--s3);
}
.car-tag {
  display: inline-flex; align-items: center; gap: var(--s3);
  font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .18em; text-transform: uppercase; color: var(--on-dark-accent);
  margin-bottom: var(--s3);
}
.car-tag::before { content: ""; width: 22px; height: 1px; background: var(--on-dark-accent); }
.car-rail h3 {
  font-family: var(--f-display); font-weight: 600;
  font-size: clamp(1.7rem, 2.2vw + 1rem, 2.5rem);
  line-height: 1.12; letter-spacing: -.015em; margin-bottom: var(--s3);
  color: var(--on-dark);
}
.car-rail .lead { color: var(--on-dark-faint); font-size: var(--fs-md); max-width: 44ch; }

/* spec strip — full-width data table row under rail + photo */
.car-spec {
  grid-column: 1 / -1;
  margin-top: var(--s5); border-top: 1px solid var(--dark-line);
  display: grid; grid-template-columns: 1fr 1fr;
}
.car-spec .spec-cell { padding: var(--s3) 0; border-bottom: 1px solid var(--dark-line); }
.car-spec .spec-cell + .spec-cell { border-left: 1px solid var(--dark-line); padding-left: var(--s6); }
.car-spec .k {
  display: block; font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-faint);
}
.car-spec .v {
  display: block; margin-top: 7px;
  font-family: var(--f-mono); font-size: var(--fs-sm); letter-spacing: .02em;
  color: var(--on-dark);
}
.car-spec .v.s { color: var(--on-dark-accent); letter-spacing: .06em; }

.car-cta {
  display: inline-flex; align-items: center; gap: var(--s2);
  margin-top: var(--s5); font-family: var(--f-mono); font-size: var(--fs-xs);
  letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark);
  padding-bottom: 4px; border-bottom: 1px solid var(--on-dark-accent);
  transition: color .3s, gap .3s var(--ease);
}
.car-cta:hover { color: var(--on-dark-accent); gap: var(--s3); }
.car-cta .arr { color: var(--on-dark-accent); }

/* ---------- right viewport: clean photo, no overlays ---------- */
.car-viz {
  --tick: color-mix(in oklab, var(--on-dark-accent) 55%, transparent);
  position: relative; overflow: hidden; isolation: isolate;
  aspect-ratio: 16 / 9;
  background: var(--dark-2);
  border: 1px solid var(--dark-line); border-radius: 3px;
}
.car-photo { position: absolute; inset: 0; }
.car-photo img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04);
  filter: brightness(.92) contrast(1.05) saturate(.95);
}
.car-slide.is-active .car-photo img { animation: kb-zoom 9s linear both; }
@keyframes kb-zoom { from { transform: scale(1.04); } to { transform: scale(1.14); } }
/* vignette + bottom shade */
.car-photo::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(125% 95% at 50% 42%, transparent 52%, color-mix(in oklab, var(--dark) 58%, transparent) 100%),
    linear-gradient(to top, color-mix(in oklab, var(--dark) 60%, transparent) 0%, transparent 34%);
}
/* inspection scan sweep */
.car-scan {
  position: absolute; top: -12%; bottom: -12%; left: 0; width: 36%;
  background: linear-gradient(100deg, transparent, color-mix(in oklab, var(--on-dark-accent) 15%, transparent), transparent);
  transform: translateX(-130%) skewX(-14deg);
  pointer-events: none;
}
.car-slide.is-active .car-scan { animation: scan-sweep 1.8s var(--ease-q) .3s both; }
@keyframes scan-sweep { from { transform: translateX(-130%) skewX(-14deg); } to { transform: translateX(330%) skewX(-14deg); } }

/* ---------- inspection markers removed: photos stay clean ---------- */

/* ---------- staggered reveal of rail content on activation ---------- */
.car-slide .car-num, .car-slide .car-tag, .car-slide h3, .car-slide .lead,
.car-slide .car-spec, .car-slide .car-cta {
  opacity: 0; transform: translateY(8px);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.car-slide.is-active .car-num  { opacity: 1; transform: none; transition-delay: .06s; }
.car-slide.is-active .car-tag  { opacity: 1; transform: none; transition-delay: .12s; }
.car-slide.is-active h3        { opacity: 1; transform: none; transition-delay: .18s; }
.car-slide.is-active .lead     { opacity: 1; transform: none; transition-delay: .24s; }
.car-slide.is-active .car-cta  { opacity: 1; transform: none; transition-delay: .30s; }
.car-slide.is-active .car-spec { opacity: 1; transform: none; transition-delay: .38s; }

/* ---------- control bar: autoplay progress line ---------- */
.car-prog { position: relative; height: 2px; background: color-mix(in oklab, var(--on-dark) 8%, transparent); }
.car-prog i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--on-dark-accent); }

/* ---------- carousel responsive ---------- */
@media (max-width: 1024px) {
  .car-slide { grid-template-columns: 1fr; }
  .car-rail {
    border-right: none; border-bottom: 1px solid var(--dark-line);
    padding: 0 0 var(--s5);
  }
  .car-rail .lead { max-width: none; }
  .car-stage { padding: var(--s5); }
  .car-spec { grid-template-columns: 1fr; }
  .car-spec .spec-cell + .spec-cell { border-left: none; padding-left: 0; }
}
@media (max-width: 760px) {
  .car-tabs { gap: var(--s4); }
  .car-tab { letter-spacing: .05em; font-size: 0.6875rem; }
  .car-stage { padding: var(--s4); }
  .car-status { padding: 10px var(--s4); overflow-x: auto; scrollbar-width: none; }
  .car-status::-webkit-scrollbar { display: none; }
}
/* reduced motion: final state, no autoplay, no stagger */
@media (prefers-reduced-motion: reduce) {
  .car-slide .car-scan { display: none; }
  .car-slide .car-photo img { transform: none; animation: none !important; }
  .car-slide .car-num, .car-slide .car-tag, .car-slide h3, .car-slide .lead,
  .car-slide .car-spec, .car-slide .car-cta { opacity: 1; transform: none; transition: none; }
}

/* ================================================================
   NEW BLOCKS — official-data driven (25 series table, cert files)
   ================================================================ */

/* ---------- series parameter table (series.html) ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  background: var(--surface-raised);
}
.spec-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.spec-table thead th {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: var(--s4) var(--s5);
  border-bottom: 1px solid var(--border-strong);
  background: var(--surface);
}
.spec-table tbody td {
  padding: var(--s4) var(--s5);
  border-bottom: 1px solid var(--border);
  font-family: var(--f-mono);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  vertical-align: middle;
}
.spec-table tbody tr:last-child td { border-bottom: none; }
.spec-table tbody tr:hover td { background: color-mix(in oklab, var(--accent-mark) 5%, transparent); }
.spec-table td.sc { padding: 6px var(--s3); width: 64px; }
.spec-table td.sc img {
  display: block; width: 52px; height: 52px; object-fit: cover;
  border: 1px solid var(--border); border-radius: 2px; background: #fff;
}
.spec-table td.sc-code { font-family: var(--f-display); font-weight: 700; font-size: 1.05rem; color: var(--text); letter-spacing: -0.01em; }
.spec-table td.sc-pdf a {
  font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.08em;
  color: var(--accent-mark); border-bottom: 1px solid currentColor; padding-bottom: 2px;
  transition: opacity .25s;
}
.spec-table td.sc-pdf a:hover { opacity: .65; }
.table-note {
  margin: var(--s4) 0 0;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- certificate thumbnails (downloads.html) ---------- */
.dl-row.cert-row { grid-template-columns: auto auto 1fr auto; }
.cert-thumb {
  width: 56px; height: 74px; overflow: hidden;
  border: 1px solid var(--border-strong); border-radius: 2px; background: #fff;
}
.cert-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; }

/* ---------- certificate meta line (about.html cert cards) ---------- */
.cert .c-no {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: var(--s4);
  padding-top: var(--s3);
  border-top: 1px solid var(--border);
  letter-spacing: 0.04em;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .dl-row.cert-row { grid-template-columns: auto 1fr; }
  .dl-row.cert-row .cert-thumb { grid-row: 1 / span 2; }
}