/* ==========================================================================
   常州隆耀干燥设备有限公司 — 官网样式表
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --red: #d81e25;
  --red-600: #b8171d;
  --red-050: #fdf2f2;
  --blue: #1d9bd7;
  --blue-600: #0c6f9e;
  --blue-050: #eef7fc;

  --ink: #0b131f;
  --ink-2: #2b3648;
  --muted: #5c697d;
  --line: #dfe5ee;
  --line-2: #c8d2df;
  --soft: #f2f5f9;
  --white: #ffffff;

  /* Industrial tech palette */
  --graphite: #0b131f;
  --graphite-2: #121c2a;
  --steel: #5b6b80;
  --steel-light: #8b9bb0;
  --tech-blue: #1d9bd7;

  --radius: 2px;
  --radius-lg: 4px;
  --shadow-sm: 0 1px 2px rgba(15, 24, 38, .05), 0 2px 8px rgba(15, 24, 38, .04);
  --shadow-md: 0 10px 30px rgba(15, 24, 38, .10);
  --shadow-lg: 0 24px 60px rgba(15, 24, 38, .18);

  --container: 1240px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .3, 1);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC",
          system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Bahnschrift", "DIN Alternate", "Segoe UI Semibold",
                  "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas,
               "Liberation Mono", "Microsoft YaHei", monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.28; letter-spacing: -.01em; }
p { margin: 0; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px;
  border: 1px solid transparent; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  cursor: pointer; white-space: nowrap;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-600); box-shadow: 0 8px 20px rgba(216, 30, 37, .28); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .42); }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn--outline { background: #fff; color: var(--ink); border-color: var(--line-2); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue-600); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn svg { flex: none; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--red); font-weight: 600; font-size: 14.5px;
}
.link-arrow svg { transition: transform .22s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .74);
  font-size: 13px;
  letter-spacing: .01em;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: 38px;
}
.topbar__tag { display: flex; align-items: center; gap: 10px; }
.topbar__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); flex: none; }
.topbar__links { display: flex; align-items: center; gap: 22px; }
.topbar__links a { display: inline-flex; align-items: center; gap: 6px; transition: color .18s; }
.topbar__links a:hover { color: #fff; }
.topbar__links svg { opacity: .65; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s var(--ease);
}
.header.is-scrolled { box-shadow: 0 4px 20px rgba(15, 24, 38, .07); }
.header__inner {
  display: flex; align-items: center; gap: 32px;
  height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { height: 46px; width: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.25; }
.brand__cn { font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.brand__en { font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: .16em; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; display: block; padding: 10px 14px;
  font-size: 15px; font-weight: 500; color: var(--ink-2);
  border-radius: var(--radius); transition: color .18s, background-color .18s;
}
.nav__link:hover { color: var(--ink); background: var(--soft); }
.nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--red); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--red); font-weight: 600; }

.header__cta { flex: none; }

/* Mobile menu button */
.burger {
  display: none; width: 44px; height: 44px; margin-left: auto;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.burger span {
  display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: clamp(560px, 74vh, 740px);
  display: flex; flex-direction: column; justify-content: flex-end;
  background: #0b131f;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%;
  transform: scale(1.03); animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 13, 22, .93) 0%, rgba(7, 13, 22, .80) 38%,
                    rgba(7, 13, 22, .38) 72%, rgba(7, 13, 22, .18) 100%),
    linear-gradient(to top, rgba(7, 13, 22, .55) 0%, transparent 45%);
}
.hero__inner { position: relative; padding-block: 96px 0; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: rgba(255, 255, 255, .78); font-size: 13px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; margin-bottom: 22px;
}
.hero__eyebrow::before {
  content: ""; width: 32px; height: 2px; background: var(--red); border-radius: 2px;
}
.hero h1 {
  color: #fff; font-size: clamp(33px, 4.4vw, 60px); line-height: 1.16;
  letter-spacing: -.02em; max-width: 16em; font-weight: 800;
}
.hero h1 em { font-style: normal; color: #ff5b60; }
.hero__lead {
  color: rgba(255, 255, 255, .80); font-size: clamp(15px, 1.25vw, 17.5px);
  line-height: 1.85; max-width: 34em; margin-top: 22px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero__stats {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.hero__stat { padding: 26px 28px 32px 0; }
.hero__stat + .hero__stat { padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, .14); }
.hero__stat-num {
  display: flex; align-items: baseline; gap: 4px;
  color: #fff; font-size: clamp(28px, 2.6vw, 38px); font-weight: 800; line-height: 1;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.hero__stat-num small { font-size: 15px; font-weight: 600; color: rgba(255, 255, 255, .7); }
.hero__stat-label { color: rgba(255, 255, 255, .60); font-size: 13.5px; margin-top: 10px; letter-spacing: .04em; }

/* ---------- Section scaffolding ---------- */
.section { padding-block: clamp(64px, 8vw, 104px); }
.section--soft { background: var(--soft); }
.section--dark { background: var(--ink); }

.section-head { max-width: 720px; margin-bottom: clamp(36px, 4.5vw, 56px); }
.section-head--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--blue-600); font-size: 12.5px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--red); border-radius: 2px; }
.section-head--center .eyebrow::after { content: ""; width: 24px; height: 2px; background: var(--red); border-radius: 2px; }
.section-head h2 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; }
.section-head p { margin-top: 16px; color: var(--muted); font-size: 15.5px; line-height: 1.85; }
.section-head--center p { margin-inline: auto; max-width: 640px; }

.section-foot { display: flex; justify-content: center; margin-top: 48px; }

/* ---------- Product tabs ---------- */
.tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 36px; padding-bottom: 2px;
}
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  height: 42px; padding: 0 20px;
  background: #fff; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-2); cursor: pointer;
  transition: all .2s var(--ease);
}
.tab:hover { border-color: var(--blue); color: var(--blue-600); }
.tab[aria-selected="true"] { background: var(--red); border-color: var(--red); color: #fff; font-weight: 600; box-shadow: 0 6px 16px rgba(216, 30, 37, .22); }
.tab__count { font-size: 12px; opacity: .62; font-variant-numeric: tabular-nums; }

/* ---------- Product toolbar / search / pagination ---------- */
.product-toolbar {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 18px; flex-wrap: wrap; margin-bottom: 12px;
}
.product-toolbar .tabs { margin-bottom: 0; }
.product-search {
  position: relative; display: flex; align-items: center;
  width: min(100%, 300px); flex: none;
}
.product-search svg { position: absolute; left: 14px; color: var(--muted); pointer-events: none; }
.product-search input {
  width: 100%; height: 40px; padding: 0 14px 0 40px;
  background: #fff; border: 1px solid var(--line-2); border-radius: 2px;
  font: inherit; font-size: 13.5px; color: var(--ink);
  transition: border-color .18s, box-shadow .18s;
}
.product-search input::placeholder { color: #a3adb9; }
.product-search input:focus {
  outline: none; border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(216, 30, 37, .08);
}
.product-result { margin: 0 0 22px; }
.product-count {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  color: var(--muted); text-transform: uppercase;
}
.product-pager { margin-top: 44px; }
.product-pager:empty { display: none; }
.product-pager__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid var(--line);
}
.product-pager__info {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  letter-spacing: .04em;
}
.product-pager__btns { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.product-pager__btn {
  min-width: 38px; height: 38px; padding: 0 12px;
  background: #fff; border: 1px solid var(--line-2); border-radius: 2px;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-2);
  cursor: pointer; transition: all .18s var(--ease);
}
.product-pager__btn:hover:not(:disabled) { border-color: var(--ink); color: var(--ink); }
.product-pager__btn.is-active {
  background: var(--graphite); border-color: var(--graphite); color: #fff;
  box-shadow: inset 0 -2px 0 var(--red);
}
.product-pager__btn:disabled { opacity: .4; cursor: not-allowed; }
.product-pager__btn--wide { font-family: inherit; letter-spacing: .02em; }
.product-pager__gap { padding: 0 4px; color: var(--muted); }
.product-empty {
  grid-column: 1 / -1;
  display: grid; justify-items: center; gap: 12px;
  padding: 64px 24px;
  background: #fff; border: 1px dashed var(--line-2); border-radius: 2px;
  text-align: center;
}
.product-empty__icon { color: #c3ccd6; }
.product-empty__icon svg { width: 64px; height: 64px; display: block; }
.product-empty p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---------- Product grid & card ---------- */
.product-grid {
  display: grid; gap: 26px;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
}
.product-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-2); }
.product-card__media {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  background: linear-gradient(150deg, #eef1f6 0%, #e2e7ef 100%);
}
.product-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__media--empty {
  display: grid; place-items: center;
  background: linear-gradient(155deg, #f3f6fa 0%, #e4eaf2 100%);
}
.product-card__media--empty svg {
  position: relative; width: 84px; height: 84px; color: #7d8ba3; opacity: .75;
  transition: transform .5s var(--ease), opacity .5s var(--ease);
}
.product-card:hover .product-card__media--empty svg { transform: scale(1.06); opacity: 1; }
.product-card__badge {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(4px);
  color: var(--blue-600); font-size: 11.5px; font-weight: 700; letter-spacing: .08em;
  padding: 5px 11px; border-radius: 999px;
}
.product-card__play {
  position: absolute; right: 14px; bottom: 14px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(16, 28, 43, .72); color: #fff;
  pointer-events: none;
}
.product-card__body { display: flex; flex-direction: column; flex: 1; padding: 22px 22px 20px; }
.product-card__body h3 { font-size: 18px; letter-spacing: -.01em; }
.product-card__body p {
  margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-card__foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
}
.product-card__foot .meta { font-size: 12.5px; color: var(--muted); letter-spacing: .04em; }

/* ---------- Feature / capability ---------- */
.feature-grid {
  display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  grid-template-columns: repeat(4, 1fr);
}
.feature {
  background: #fff; padding: 34px 28px 32px;
  transition: background-color .25s var(--ease);
}
.feature:hover { background: var(--soft); }
.feature__icon {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--blue-050); color: var(--blue-600); margin-bottom: 20px;
}
.feature:nth-child(even) .feature__icon { background: var(--red-050); color: var(--red); }
.feature h3 { font-size: 17px; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: 14px; line-height: 1.8; }

/* ---------- Split (image + copy) ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.split__body h2 { font-size: clamp(25px, 2.8vw, 34px); }
.split__body > p { margin-top: 18px; color: var(--muted); line-height: 1.95; }
.split__list { display: grid; gap: 14px; margin-top: 28px; }
.split__list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; }
.split__list svg { flex: none; margin-top: 3px; color: var(--red); }
.split__actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }

/* ---------- Stats band ---------- */
.stats-band {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg); overflow: hidden; margin-top: 48px;
}
.stats-band > div { background: var(--ink); padding: 30px 26px; }
.stats-band .num {
  color: #fff; font-size: 34px; font-weight: 800; line-height: 1; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.stats-band .num span { color: var(--red); }
.stats-band .lbl { color: rgba(255, 255, 255, .58); font-size: 13.5px; margin-top: 10px; }

/* ---------- Industry cards ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.industry {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  min-height: 268px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px 26px; color: #fff;
  background: linear-gradient(160deg, #22303f 0%, #121b27 100%);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.industry:nth-child(2) { background: linear-gradient(160deg, #16394d 0%, #0d2231 100%); }
.industry:nth-child(3) { background: linear-gradient(160deg, #3a1e20 0%, #1e0f11 100%); }
.industry:nth-child(4) { background: linear-gradient(160deg, #2c3038 0%, #15181d 100%); }
.industry:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.industry::after {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .10) 0%, transparent 70%);
}
.industry__idx { font-size: 12px; font-weight: 700; letter-spacing: .2em; color: rgba(255, 255, 255, .45); margin-bottom: auto; }
.industry h3 { font-size: 20px; color: #fff; margin-bottom: 8px; }
.industry p { font-size: 13.5px; color: rgba(255, 255, 255, .62); line-height: 1.7; }
.industry__bar { width: 34px; height: 2px; background: var(--red); border-radius: 2px; margin-bottom: 16px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(110deg, var(--red) 0%, #a5141a 100%);
  color: #fff;
}
.cta-band::after {
  content: ""; position: absolute; right: -80px; top: 50%; transform: translateY(-50%);
  width: 420px; height: 420px; border-radius: 50%;
  border: 60px solid rgba(255, 255, 255, .06);
}
.cta-band__inner {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  padding-block: clamp(44px, 5vw, 64px); flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: clamp(24px, 2.8vw, 34px); letter-spacing: -.02em; }
.cta-band p { color: rgba(255, 255, 255, .84); margin-top: 10px; font-size: 15px; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn--outline { border-color: rgba(255, 255, 255, .5); color: #fff; background: transparent; }
.cta-band .btn--outline:hover { background: rgba(255, 255, 255, .14); border-color: #fff; color: #fff; }
.cta-band .btn--red { background: #fff; color: var(--red); }
.cta-band .btn--red:hover { background: #f4f6fa; box-shadow: none; }

/* ---------- Footer ---------- */
.footer { background: #0b131f; color: rgba(255, 255, 255, .62); font-size: 14px; }
.footer__main {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: clamp(28px, 4vw, 52px);
  padding-block: clamp(52px, 6vw, 76px);
}
.footer__main > * { min-width: 0; }
.footer__brand img {
  height: 52px; width: auto; background: #fff; padding: 8px 12px; border-radius: var(--radius);
}
.footer__brand p { margin-top: 20px; line-height: 1.9; font-size: 13.5px; max-width: 30em; }
.footer h4 { color: #fff; font-size: 14px; letter-spacing: .06em; margin-bottom: 18px; font-weight: 600; }
.footer__links { display: grid; gap: 11px; }
.footer__links a { transition: color .18s; font-size: 13.5px; }
.footer__links a:hover { color: #fff; }
.footer__contact { display: grid; gap: 14px; font-size: 13.5px; }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.7; }
.footer__contact svg { flex: none; margin-top: 3px; color: var(--red); }
.footer__contact a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .10);
  padding-block: 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; font-size: 12.5px; color: rgba(255, 255, 255, .42);
}

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, #0d1724 0%, #16283a 100%);
  padding-block: clamp(56px, 7vw, 88px);
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(700px 320px at 82% 0%, rgba(29, 155, 215, .20), transparent 70%),
    radial-gradient(560px 300px at 10% 100%, rgba(216, 30, 37, .16), transparent 70%);
}
.page-banner__inner { position: relative; }
.page-banner .eyebrow { color: rgba(255, 255, 255, .6); }
.page-banner h1 { color: #fff; font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -.02em; }
.page-banner p { color: rgba(255, 255, 255, .66); margin-top: 14px; max-width: 46em; font-size: 15px; line-height: 1.85; }

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .48); margin-bottom: 18px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: .5; }

/* ---------- Product detail ---------- */
.detail { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 4.5vw, 64px); align-items: start; }
.detail__media {
  border-radius: var(--radius-lg); overflow: hidden; background: var(--soft);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.detail__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.detail__media--empty {
  display: grid; place-items: center; aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, #eef1f6, #e2e7ef);
}
.detail__media--empty svg { width: 96px; height: 96px; color: #a9b4c6; }
.detail__video {
  margin-top: 16px; border-radius: var(--radius-lg); overflow: hidden;
  background: #0b1118; border: 1px solid var(--line);
}
.detail__video video { display: block; width: 100%; max-height: 540px; background: #000; }
.detail__badge {
  display: inline-block; background: var(--blue-050); color: var(--blue-600);
  font-size: 12px; font-weight: 700; letter-spacing: .08em; padding: 6px 12px; border-radius: 999px;
}
.detail h1 { font-size: clamp(26px, 3vw, 38px); margin-top: 16px; letter-spacing: -.02em; }
.detail__lead { margin-top: 18px; color: var(--muted); font-size: 15.5px; line-height: 1.95; }
.detail__points { display: grid; gap: 12px; margin-top: 26px; }
.detail__points li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; }
.detail__points svg { flex: none; margin-top: 3px; color: var(--red); }
.detail__actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.detail__note {
  margin-top: 26px; padding: 16px 18px; background: var(--red-050);
  border-left: 3px solid var(--red); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13.5px; color: var(--ink-2); line-height: 1.8;
}

/* 客户案例 */
.case-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.case-meta span {
  background: #f3f5f8; color: var(--muted);
  font-size: 13px; padding: 6px 12px; border-radius: 999px;
}
.case-body { margin-top: 22px; color: var(--ink-2); font-size: 15px; line-height: 1.95; }
.case-body p { margin-top: 14px; }
.case-body p:first-child { margin-top: 0; }
.empty-note { text-align: center; color: var(--muted); font-size: 15px; padding: 34px 0; }

.prose { max-width: 840px; }
.prose h2 { font-size: clamp(22px, 2.4vw, 28px); margin-bottom: 18px; }
.prose h3 { font-size: 18px; margin: 34px 0 12px; }
.prose p { color: var(--muted); line-height: 1.95; margin-bottom: 16px; font-size: 15px; }
.prose ul { display: grid; gap: 10px; margin: 16px 0 24px; }
.prose ul li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--muted); }
.prose ul svg { flex: none; margin-top: 4px; color: var(--red); }

.spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14.5px; }
.spec-table th, .spec-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.spec-table th {
  width: 30%; color: var(--ink); font-weight: 600; background: var(--soft);
}
.spec-table td { color: var(--muted); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table-wrap { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }

/* 富文本技术配置 */
.spec-rich { max-width: 840px; color: var(--ink-2); font-size: 15px; line-height: 1.85; }
.spec-rich > :first-child { margin-top: 0; }
.spec-rich > :last-child { margin-bottom: 0; }
.spec-rich p { margin: 0 0 14px; }
.spec-rich h3, .spec-rich h4, .spec-rich h5 { margin: 26px 0 12px; color: var(--ink); line-height: 1.4; }
.spec-rich h3 { font-size: 19px; }
.spec-rich h4 { font-size: 17px; }
.spec-rich h5 { font-size: 15.5px; }
.spec-rich ul, .spec-rich ol { margin: 0 0 16px; padding-left: 22px; }
.spec-rich li { margin: 5px 0; }
.spec-rich strong, .spec-rich b { color: var(--ink); font-weight: 600; }
.spec-rich a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.spec-rich table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 18px;
  font-size: 14.5px;
  border: 1px solid var(--line);
}
.spec-rich th, .spec-rich td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.spec-rich th { width: 30%; color: var(--ink); font-weight: 600; background: var(--soft); }
.spec-rich td { color: var(--muted); }
.spec-rich tr:last-child th, .spec-rich tr:last-child td { border-bottom: 0; }
.spec-rich hr { height: 1px; margin: 22px 0; border: 0; background: var(--line); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 4.5vw, 64px); align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card {
  display: flex; gap: 16px; padding: 22px 24px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); transition: border-color .2s, box-shadow .2s;
}
.contact-card:hover { border-color: var(--line-2); box-shadow: var(--shadow-md); }
.contact-card__icon {
  display: grid; place-items: center; flex: none; width: 46px; height: 46px;
  border-radius: var(--radius); background: var(--blue-050); color: var(--blue-600);
}
.contact-card:nth-child(2) .contact-card__icon { background: var(--red-050); color: var(--red); }
.contact-card h3 { font-size: 15px; margin-bottom: 6px; }
.contact-card p, .contact-card a { color: var(--muted); font-size: 14px; line-height: 1.75; transition: color .18s; }
.contact-card a:hover { color: var(--red); }
.contact-card__main { font-size: 19px !important; font-weight: 700; color: var(--ink) !important; letter-spacing: .01em; }

.form-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(26px, 3vw, 40px); box-shadow: var(--shadow-md);
}
.form-panel h2 { font-size: 22px; }
.form-panel > p { color: var(--muted); font-size: 14px; margin-top: 10px; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 8px; margin-bottom: 16px; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.field label .req { color: var(--red); }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 14.5px; color: var(--ink);
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  transition: border-color .18s, box-shadow .18s;
}
.field input::placeholder, .field textarea::placeholder { color: #a2adbd; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29, 155, 215, .14);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.form-status { margin-top: 14px; font-size: 14px; color: var(--blue-600); }
.form-status.is-ok { color: #0f7a4d; }
.form-status.is-err { color: var(--red); }

.map-card { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.map-card iframe { display: block; width: 100%; height: 320px; border: 0; }

/* ---------- Value list (about page) ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
}
.value-card__num {
  font-size: 13px; font-weight: 800; letter-spacing: .16em; color: var(--red); margin-bottom: 16px;
}
.value-card h3 { font-size: 17px; margin-bottom: 10px; }
.value-card p { color: var(--muted); font-size: 14px; line-height: 1.85; }

/* ---------- Reveal animation ---------- */
.reveal { transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js-ready .reveal { opacity: 0; transform: translateY(18px); }
.js-ready .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .js-ready .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__main { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split--reverse .split__media { order: 0; }
  .detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  :root { --header-h: 66px; }
  .topbar__tag { display: none; }
  .topbar__inner { justify-content: center; }
  .brand__text { display: none; }
  .brand img { height: 40px; }
  .nav {
    position: fixed; inset: calc(var(--header-h)) 0 auto 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    padding: 12px 24px 22px;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__link { padding: 14px 12px; font-size: 16px; border-radius: var(--radius); }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { background: var(--red-050); }
  .burger { display: flex; }
  .header__cta { display: none; }
  .hero__inner { padding-block: 72px 0; min-width: 0; }
  .hero__eyebrow { flex-wrap: wrap; font-size: 12px; letter-spacing: .13em; }
  .hero__stat { padding: 22px 16px 26px 0; min-width: 0; }
  .hero__stat + .hero__stat { padding-left: 16px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .product-toolbar { align-items: stretch; }
  .product-search { width: 100%; }
  .product-pager__inner { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .container { padding-inline: 18px; }
  .topbar__inner { flex-wrap: wrap; min-height: 0; padding-block: 8px; }
  .topbar__links { flex-wrap: wrap; justify-content: center; gap: 6px 16px; font-size: 12px; }
  .hero__stat-label { font-size: 12px; }
  .product-card__foot { flex-wrap: wrap; gap: 8px; }
  .contact-card__main { word-break: break-all; }
  .product-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; gap: 34px; }
  .footer__brand { grid-column: auto; }
  .hero__stats { grid-template-columns: 1fr 1fr; margin-top: 44px; }
  .hero__stat { padding: 18px 12px 22px 0; }
  .hero__stat + .hero__stat { padding-left: 12px; }
  .hero__stat-num { font-size: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .page-banner { padding-block: 44px; }
  .detail__actions .btn, .hero__actions .btn { flex: 1 1 auto; }
}

/* ---------- Chips (solution page) ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; background: #fff; border: 1px solid var(--line-2);
  border-radius: 999px; font-size: 13.5px; color: var(--ink-2); font-weight: 500;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.chip::after {
  content: "→"; font-size: 12px; color: var(--blue); transition: transform .2s var(--ease);
}
.chip:hover { border-color: var(--red); color: var(--red); background: var(--red-050); }
.chip:hover::after { transform: translateX(3px); }

/* ---------- Breadcrumb on light background ---------- */
.breadcrumb--dark { color: var(--muted); margin-bottom: 30px; }
.breadcrumb--dark a:hover { color: var(--red); }

/* ---------- Product detail: lower block ---------- */
.detail__more { margin-top: clamp(48px, 6vw, 80px); padding-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }

/* ---------- Location placeholder card ---------- */
.map-placeholder {
  display: grid; justify-items: center; gap: 4px; text-align: center;
  padding: 34px 26px; background: var(--soft);
}
.map-placeholder__pin {
  display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 10px;
  border-radius: 50%; background: #fff; color: var(--red);
  box-shadow: 0 2px 10px rgba(15, 24, 38, .12);
}
.map-placeholder h3 { font-size: 15px; }
.map-placeholder p { color: var(--muted); font-size: 13.5px; margin-bottom: 10px; }

/* ---------- Focus / accessibility helpers ---------- */
.feature { display: block; }
a.feature { color: inherit; }

/* ---------- Language switch ---------- */
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  height: 36px; padding: 0 13px; margin-right: 10px;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  font-size: 13px; font-weight: 700; letter-spacing: .06em; color: var(--ink-2);
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.lang-switch:hover { border-color: var(--red); color: var(--red); background: var(--red-050); }
.lang-switch[hidden] { display: none; }

/* ---------- English typography ---------- */
html[lang="en"] .hero h1 { font-size: clamp(30px, 3.9vw, 54px); letter-spacing: -.025em; max-width: 19em; }
html[lang="en"] .hero__lead { max-width: 40em; }
html[lang="en"] .section-head { max-width: 800px; }
html[lang="en"] .section-head h2,
html[lang="en"] .split__body h2 { letter-spacing: -.025em; }
html[lang="en"] .product-card__body h3 { font-size: 17px; }
html[lang="en"] .detail__lead { font-size: 15px; }
html[lang="en"] .spec-table th { width: 33%; }
html[lang="en"] .industry h3 { font-size: 19px; }
html[lang="en"] .footer__brand p { max-width: 34em; }
html[lang="en"] .value-card h3 { font-size: 16px; }
html[lang="en"] .cta-band h2 { max-width: 20em; }

@media (max-width: 860px) {
  .lang-switch { order: 1; margin-left: auto; margin-right: 8px; height: 38px; }
  .burger { order: 2; margin-left: 0; }
}

/* ---------- About: five product directions ---------- */
.feature-grid--auto { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1080px) {
  .feature-grid--auto { grid-template-columns: repeat(2, 1fr); }
  .feature-grid--auto > :last-child:nth-child(odd) { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .feature-grid--auto { grid-template-columns: 1fr; }
}

/* English product cards: category badge already shown, keep the footer single-line */
html[lang="en"] .product-card__foot { justify-content: flex-end; }
html[lang="en"] .product-card__foot .meta { display: none; }

/* Align card footers across a row */
.product-card__body p { margin-bottom: 18px; }
.product-card__foot { margin-top: auto; }

/* Header fit at intermediate widths */
.lang-switch { flex: none; white-space: nowrap; }
@media (max-width: 1180px) {
  .header__inner { gap: 18px; }
  .nav__link { padding-inline: 10px; font-size: 14.5px; }
  .header__cta { padding-inline: 16px; }
}
html[lang="en"] .header__inner { gap: 22px; }
html[lang="en"] .nav__link { padding-inline: 10px; font-size: 14.5px; }
html[lang="en"] .brand__cn { font-size: 16.5px; }

/* Between tablet and desktop the horizontal nav keeps priority over the header CTA */
@media (max-width: 1080px) and (min-width: 861px) {
  .header__cta { display: none; }
  .header__inner { gap: 16px; }
}

@media (max-width: 1080px) {
  html[lang="en"] .topbar { font-size: 12.5px; }
  html[lang="en"] .topbar__links { gap: 16px; }
}

/* ==========================================================================
   Industrial Tech Layer — 科技感 / 工业风
   Direction: Swiss precision grid + blueprint / technical drawing language.
   Keeps the brand red/blue, sharpens geometry and adds data-readout details.
   ========================================================================== */

/* ---------- Technical surfaces ---------- */
.section--soft { background: var(--soft); }

h1, h2, h3, .brand__cn, .btn, .tab, .hero__stat-num { font-family: var(--font-display); }

.eyebrow, .hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
}
.eyebrow::before, .hero__eyebrow::before,
.section-head--center .eyebrow::after { width: 18px; height: 1px; border-radius: 0; }

/* ---------- Top bar ---------- */
.topbar {
  background-color: #070d16;
  background-image: linear-gradient(90deg, rgba(29, 155, 215, .10), transparent 40%,
                    transparent 60%, rgba(216, 30, 37, .08));
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}
.topbar__dot {
  width: 5px; height: 5px;
  box-shadow: 0 0 0 3px rgba(216, 30, 37, .14), 0 0 12px rgba(216, 30, 37, .8);
  animation: techPulse 2.8s ease-in-out infinite;
}
@keyframes techPulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.topbar__links a:hover { color: #8fd8ff; }

/* ---------- Header / navigation ---------- */
.header::after {
  content: ""; position: absolute; left: 0; bottom: -1px;
  width: 132px; height: 2px;
  background: linear-gradient(90deg, var(--red), rgba(216, 30, 37, 0));
  pointer-events: none;
}
.brand__en { font-family: var(--font-mono); letter-spacing: .22em; }
.nav__link { border-radius: 2px; }
.nav__link::after { height: 2px; border-radius: 0; }
html[lang="en"] .nav__link {
  text-transform: uppercase;
  font-size: 12.5px;
  letter-spacing: .08em;
}
.lang-switch {
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
}

/* ---------- Hero: scan line, data readouts ---------- */
.hero { background: #070d16; }
.hero::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px;
  z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(29, 155, 215, .28) 20%,
              rgba(29, 155, 215, .28) 80%, transparent);
}
.hero__inner { z-index: 2; }
.hero__inner::before {
  content: ""; position: absolute; left: 24px; top: 54px;
  width: 24px; height: 24px; pointer-events: none;
  border-left: 1px solid rgba(255, 255, 255, .28);
  border-top: 1px solid rgba(255, 255, 255, .28);
}
.hero__media::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px;
  z-index: 3; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(29, 155, 215, .6) 30%,
              rgba(29, 155, 215, .6) 70%, transparent 100%);
  animation: techScan 9s linear infinite;
}
@keyframes techScan {
  0% { top: 0; opacity: 0; }
  10% { opacity: .55; }
  90% { opacity: .55; }
  100% { top: 100%; opacity: 0; }
}
.hero__eyebrow::after {
  content: ""; width: 6px; height: 6px;
  border: 1px solid rgba(255, 255, 255, .42);
  transform: rotate(45deg);
}
.hero h1 { font-weight: 700; letter-spacing: -.015em; }
.hero__stats { counter-reset: herostat; border-top-color: rgba(255, 255, 255, .16); }
.hero__stat { counter-increment: herostat; position: relative; }
.hero__stat::before {
  content: "0" counter(herostat);
  position: absolute; right: 4px; top: 24px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em;
  color: rgba(255, 255, 255, .26);
}
.hero__stat-num { letter-spacing: -.03em; }
.hero__stat-num small {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}
.hero__stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

/* ---------- Buttons: machined edges ---------- */
.btn {
  border-radius: 2px;
  font-family: var(--font-display);
  letter-spacing: .06em;
}
.btn--red {
  background: linear-gradient(180deg, #e12a32 0%, #c4171e 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .20), 0 6px 18px rgba(216, 30, 37, .16);
}
.btn--red:hover {
  background: linear-gradient(180deg, #ea3a42 0%, #c4171e 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .24), 0 10px 26px rgba(216, 30, 37, .28);
}
.btn--outline { background: linear-gradient(180deg, #fff 0%, #f7f9fc 100%); }
.btn--outline:hover {
  border-color: var(--tech-blue);
  color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(29, 155, 215, .08);
}

/* ---------- Product tabs ---------- */
.tab {
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  height: 40px;
  padding-inline: 16px;
}
.tab:hover { border-color: var(--ink); color: var(--ink); }
.tab[aria-selected="true"] {
  background: var(--graphite);
  border-color: var(--graphite);
  color: #fff;
  box-shadow: inset 0 -2px 0 var(--red), 0 8px 18px rgba(11, 19, 31, .16);
}
.tab__count { font-family: var(--font-mono); }
.tab[aria-selected="true"] .tab__count { color: rgba(255, 255, 255, .55); }
.tab[aria-selected="false"] .tab__count { color: var(--muted); }

/* ---------- Product cards: drawing-sheet frames ---------- */
.product-card {
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(15, 24, 38, .05), 0 10px 28px rgba(15, 24, 38, .07);
}
.product-card::before {
  content: ""; position: absolute; left: 0; top: 0; z-index: 3;
  width: 42px; height: 2px; background: var(--red);
  transition: width .3s var(--ease);
}
.product-card:hover::before { width: 84px; }
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 2px 4px rgba(15, 24, 38, .06), 0 20px 46px rgba(15, 24, 38, .14);
  border-color: var(--line-2);
}
.product-card__badge {
  border-radius: 2px;
  background: rgba(7, 13, 22, .80);
  color: #eaf7ff;
  border: 1px solid rgba(255, 255, 255, .14);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 9px;
}
.product-card__play {
  border-radius: 2px;
  background: rgba(216, 30, 37, .88);
}
.product-card__foot .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel);
}
.link-arrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

/* ---------- Capability panels: dark instrument block ---------- */
.feature-grid {
  counter-reset: feat;
  background: #223043;
  border-color: #223043;
  border-radius: 2px;
  box-shadow: 0 4px 10px rgba(7, 13, 22, .12), 0 24px 60px rgba(7, 13, 22, .22);
}
.feature {
  counter-increment: feat;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #0e1825 0%, #0b131f 100%);
}
.feature::before {
  content: ""; position: absolute; left: 0; top: 0; width: 0; height: 2px;
  background: var(--red); transition: width .3s var(--ease);
}
.feature:hover::before { width: 100%; }
.feature::after {
  content: "0" counter(feat);
  position: absolute; right: 22px; top: 26px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em;
  color: rgba(255, 255, 255, .26);
}
.feature:hover { background: linear-gradient(180deg, #122131 0%, #0d1724 100%); }
.feature h3 { color: #fff; font-family: var(--font-display); }
.feature p { color: rgba(255, 255, 255, .62); }
.feature__icon {
  border-radius: 2px;
  background: rgba(29, 155, 215, .10);
  border: 1px solid rgba(29, 155, 215, .30);
  color: #66cdf7;
}
.feature:nth-child(even) .feature__icon {
  background: rgba(216, 30, 37, .10);
  border-color: rgba(216, 30, 37, .32);
  color: #ff7b80;
}

/* ---------- Split media: FIG. drawing frames ---------- */
.split { counter-reset: fig; }
.split__media { counter-increment: fig; }
.split__media img {
  border-radius: 2px;
  border: 1px solid var(--line-2);
  box-shadow: 0 2px 4px rgba(15, 24, 38, .05), 0 24px 56px rgba(15, 24, 38, .16);
}
.split__media::before {
  content: ""; position: absolute; inset: -10px;
  border: 1px solid rgba(15, 24, 38, .10);
  pointer-events: none;
}
.split__media::after {
  content: "FIG. " counter(fig, decimal-leading-zero);
  position: absolute; left: -10px; bottom: -10px; z-index: 2;
  background: var(--graphite); color: rgba(255, 255, 255, .78);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em;
  padding: 5px 9px; border-left: 2px solid var(--red);
}

/* ---------- Industry cards: technical plates ---------- */
.industry {
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, .08);
  background: linear-gradient(160deg, #1a2838 0%, #0b131f 100%);
  box-shadow: 0 4px 10px rgba(7, 13, 22, .14), 0 18px 40px rgba(7, 13, 22, .22);
}
.industry > * { position: relative; z-index: 1; }
.industry::after {
  right: -36px; top: -36px;
  width: 150px; height: 150px; border-radius: 50%;
  border: 1px solid rgba(29, 155, 215, .18);
  background: radial-gradient(circle, rgba(29, 155, 215, .10) 0%, transparent 68%);
}
.industry:hover {
  border-color: rgba(29, 155, 215, .30);
  box-shadow: 0 26px 56px rgba(7, 13, 22, .32);
}
.industry h3 { font-family: var(--font-display); }
.industry__idx { font-family: var(--font-mono); }
.industry p { font-family: var(--font-mono); letter-spacing: .01em; }
.industry__bar { border-radius: 0; width: 28px; }

/* ---------- Stats band ---------- */
.stats-band {
  background: #223043;
  border-color: #223043;
  border-radius: 2px;
  box-shadow: 0 4px 10px rgba(7, 13, 22, .12), 0 22px 54px rgba(7, 13, 22, .20);
}
.stats-band > div {
  position: relative;
  background: linear-gradient(180deg, #0e1825 0%, #0b131f 100%);
}
.stats-band > div::before {
  content: ""; position: absolute; left: 0; top: 0;
  width: 36px; height: 2px; background: var(--red);
}
.stats-band .num { font-family: var(--font-display); }
.stats-band .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

/* ---------- CTA band: dark technical strip ---------- */
.cta-band {
  background: linear-gradient(110deg, #0b131f 0%, #101c2a 55%, #1a1013 100%);
  border-top: 1px solid rgba(255, 255, 255, .10);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
}
.cta-band::after {
  right: -80px; top: 50%; transform: translateY(-50%);
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(29, 155, 215, .14);
  background: radial-gradient(circle, rgba(29, 155, 215, .08), transparent 68%);
}
.cta-band__inner { z-index: 1; }
.cta-band__inner > div:first-child {
  border-left: 3px solid var(--red);
  padding-left: 26px;
}
.cta-band h2 { font-family: var(--font-display); }
.cta-band p {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .01em;
}
.cta-band .btn--red {
  background: linear-gradient(180deg, #e12a32 0%, #c4171e 100%);
  color: #fff;
}
.cta-band .btn--red:hover {
  background: linear-gradient(180deg, #ea3a42 0%, #c4171e 100%);
  box-shadow: 0 10px 26px rgba(216, 30, 37, .28);
}

/* ---------- Footer: instrument panel ---------- */
.footer {
  position: relative;
  background: #070d16;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--red) 0 34px, transparent 34px 50px);
  opacity: .55; pointer-events: none;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .72);
}
.footer__brand img { border-radius: 2px; }
.footer__links a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
}
.footer__bottom {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}
.footer__qr[hidden] { display: none; }
.footer__qr { margin-top: 0; }
.footer__qr h4 { margin-bottom: 12px; }
.footer__qr-card {
  width: 124px; height: 124px; padding: 6px;
  display: grid; place-items: center;
  background: #fff; border-radius: 2px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .32);
}
.footer__qr-card img { width: 100%; height: 100%; object-fit: contain; display: block; }
.footer__qr-hint { margin-top: 10px; font-size: 12px; color: rgba(255, 255, 255, .45); }

/* ---------- Inner page banner ---------- */
.page-banner {
  background: linear-gradient(120deg, #0a1320 0%, #121f2f 62%, #172333 100%);
}
.page-banner::after {
  content: ""; position: absolute; right: 36px; top: 18%; width: 1px; height: 64%;
  background: linear-gradient(180deg, transparent, rgba(29, 155, 215, .40), transparent);
  pointer-events: none;
}
.page-banner__inner { z-index: 1; }
.page-banner h1 { font-family: var(--font-display); }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

/* ---------- Product / case detail ---------- */
.detail__media {
  position: relative;
  border-radius: 2px;
  box-shadow: 0 2px 4px rgba(15, 24, 38, .05), 0 22px 52px rgba(15, 24, 38, .13);
}
.detail__media img { border-radius: 2px; }
.detail__badge {
  border-radius: 2px;
  background: var(--graphite);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-left: 2px solid var(--red);
}
.detail h1 { font-family: var(--font-display); }
.detail__note {
  border-radius: 0;
  background: linear-gradient(90deg, var(--red-050), #fff 80%);
}
.detail__video {
  border-radius: 2px;
  border-color: #223043;
  box-shadow: 0 2px 4px rgba(15, 24, 38, .06), 0 18px 44px rgba(15, 24, 38, .14);
}
.spec-table-wrap {
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(15, 24, 38, .05), 0 14px 34px rgba(15, 24, 38, .09);
}
.spec-table th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: #eef2f7;
}
.spec-table td { color: var(--ink-2); }
.case-meta span {
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  background: #eef2f7;
}

/* ---------- Contact / forms ---------- */
.contact-card {
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--red); transform: scaleY(0); transform-origin: top;
  transition: transform .25s var(--ease);
}
.contact-card:hover::before { transform: scaleY(1); }
.contact-card__icon { border-radius: 2px; }
.contact-card h3, .contact-card__main { font-family: var(--font-display); }
.form-panel { border-radius: 2px; }
.field label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
}
.field input, .field textarea, .field select { border-radius: 2px; }
.map-card, .map-placeholder { border-radius: 2px; }
.map-placeholder { background-color: #eef2f7; }

/* ---------- Value cards / chips ---------- */
.value-card {
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.value-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 36px; height: 2px;
  background: var(--red);
}
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.value-card__num { font-family: var(--font-mono); letter-spacing: .2em; }
.value-card h3 { font-family: var(--font-display); }
.chips { gap: 6px; }
.chip {
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
}

/* ---------- Responsive adjustments ---------- */
@media (max-width: 860px) {
  .hero::after, .page-banner::after, .hero__inner::before,
  .hero__stat::before { display: none; }
  .split__media::before { inset: -6px; }
  .split__media::after { left: -6px; bottom: -6px; }
  html[lang="en"] .nav__link { text-transform: none; }
}
@media (max-width: 640px) {
  .cta-band__inner > div:first-child { padding-left: 16px; border-left-width: 2px; }
  .feature::after { right: 18px; top: 20px; }
  .footer__links a { font-size: 11.5px; }
}