@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/ibm-plex-sans-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/ibm-plex-sans-600.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/static/fonts/ibm-plex-sans-700.woff2") format("woff2");
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-ink); text-decoration: none; }
a:hover { color: var(--teal); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 4.2vw, 4rem); }
h2 { font-size: clamp(1.65rem, 2.6vw, 2.35rem); }
h3 { font-size: 1.18rem; }
::selection { background: var(--teal); color: var(--paper); }

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 16px; top: -80px; z-index: 999;
  background: var(--ink); color: var(--paper);
  padding: 10px 18px; border-radius: var(--radius);
}
.skip:focus { top: 12px; color: var(--paper); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ── header ─────────────────────────────────────────── */
.topbar {
  background: var(--teal-ink);
  color: var(--paper);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}
.topbar__inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.topbar__tag { display: inline-flex; align-items: center; gap: 9px; color: var(--paper); }
.topbar__tag .dot {
  width: 6px; height: 6px; background: var(--lime); border-radius: 50%;
  box-shadow: 0 0 0 4px var(--lime-halo);
}
.topbar__links { display: flex; align-items: center; gap: 20px; }
.topbar__links a { color: var(--paper); font-variant-numeric: tabular-nums; }
.topbar__links a:hover { color: var(--lime); }
.topbar__op { color: var(--white-62); border-left: 1px solid var(--white-22); padding-left: 20px; }

.header {
  position: sticky; top: 0; z-index: 90;
  background: var(--white-96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.logo img { width: auto; height: 30px; }
.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav__link {
  position: relative;
  display: block;
  padding: 10px 11px;
  color: var(--ink-2);
  font-size: 0.94rem;
  font-weight: 600;
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute; left: 11px; right: 11px; bottom: 4px;
  height: 2px; background: var(--teal);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.2s var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: var(--teal-ink); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.header__actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
}
.icon-btn:hover { border-color: var(--teal); color: var(--teal); }
.icon-btn svg, .searchbar svg {
  width: 20px; height: 20px;
  fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round;
}
.menu-btn {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line); background: var(--paper);
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.menu-btn span { width: 18px; height: 2px; background: var(--ink); transition: 0.2s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.searchbar { border-top: 1px solid var(--line); background: var(--wash); }
.searchbar__inner {
  display: flex; align-items: center; gap: 14px;
  padding-block: 16px;
}
.searchbar__inner > svg { color: var(--muted); flex: 0 0 auto; }
.searchbar input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 12px 14px;
  border-radius: var(--radius);
}
.searchbar input:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-soft); }

/* ── buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--teal-deep); color: var(--paper); border-color: var(--teal-deep); }
.btn--primary:hover { background: var(--teal-ink); border-color: var(--teal-ink); color: var(--paper); }
.btn--dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--dark:hover { background: var(--ink-2); color: var(--paper); }
.btn--lime { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.btn--lime:hover { background: var(--lime-deep); color: var(--paper); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal-ink); background: var(--wash); }
.btn--lg { min-height: 52px; padding: 14px 26px; font-size: 1rem; }
.btn--sm { min-height: 36px; padding: 7px 13px; font-size: 0.85rem; }

.textlink {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--teal-ink); font-weight: 600; font-size: 0.95rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
}
.textlink:hover { color: var(--teal); border-color: var(--teal); }
.textlink--light { color: var(--paper); border-color: var(--dark-line); }
.textlink--light:hover { color: var(--lime); border-color: var(--lime); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--teal-deep);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--lime); }
.eyebrow--light { color: var(--teal-soft); }

/* ── hero ──────────────────────────────────────────── */
.hero { background: var(--wash); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  align-items: stretch;
}
.hero__copy { padding: 84px 48px 64px 0; align-self: center; }
.hero h1 { margin-bottom: 22px; color: var(--ink); }
.hero__lead { max-width: 54ch; color: var(--muted); font-size: 1.06rem; line-height: 1.85; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  margin-top: 34px; padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  color: var(--muted); font-size: 0.88rem;
}
.hero__meta strong { color: var(--ink); font-size: 1.12rem; margin-right: 4px; }
.hero__visual { position: relative; min-height: 560px; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; }
.hero__visual::before {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, var(--teal-overlay-top) 40%, var(--teal-overlay-bottom) 100%);
}
.hero__badge {
  position: absolute; z-index: 2; left: 28px; bottom: 28px;
  max-width: 300px;
  background: var(--paper); color: var(--ink);
  padding: 13px 16px;
  border-left: 4px solid var(--lime);
  font-size: 0.84rem; line-height: 1.55;
  box-shadow: var(--shadow-soft);
}
.hero__badge em { display: block; font-style: normal; color: var(--teal-deep); font-weight: 700; font-size: 0.74rem; letter-spacing: 0.1em; }

.statstrip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 0;
  border-top: 1px solid var(--line);
}
.statstrip__item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 24px 26px 26px 0;
  border-right: 1px solid var(--line);
}
.statstrip__item:last-child { border-right: 0; }
.statstrip dt { color: var(--teal); font-size: 2rem; font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.statstrip dd { display: flex; flex-direction: column; gap: 2px; }
.statstrip dd strong { font-size: 0.95rem; font-weight: 600; }
.statstrip dd span { color: var(--muted); font-size: 0.78rem; line-height: 1.5; }

/* ── sections ──────────────────────────────────────── */
.section { padding-block: 88px; }
.section--tight { padding-block: 56px 84px; }
.section--wash { background: var(--wash); border-block: 1px solid var(--line); }
.section--dark { background: var(--dark); color: var(--paper); }
.section--dark h2 { color: var(--paper); }
.section--dark .section__intro { color: var(--white-70); }
.section__head {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(280px, 1.1fr) auto;
  align-items: end;
  gap: 36px;
  margin-bottom: 38px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.section--dark .section__head { border-color: var(--dark-line); }
.section__head h2 { margin: 0; }
.section__intro { color: var(--muted); font-size: 0.96rem; line-height: 1.8; max-width: 62ch; }
.section__head--light .textlink { align-self: end; }
.section__head--sub { grid-template-columns: 1fr auto; align-items: center; margin-top: 70px; margin-bottom: 22px; }
.section__head--sub h2 { font-size: 1.55rem; }
.section--tight .section__head--sub:first-child { margin-top: 0; }

/* ── group cards ───────────────────────────────────── */
.groupgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.groupcard {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--paper);
  padding: 22px 22px 20px;
  min-height: 360px;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}
.groupcard:hover { background: var(--wash); color: var(--ink); transform: translateY(-2px); }
.groupcard__index { position: absolute; right: 18px; top: 14px; color: var(--line-strong); font-size: 0.78rem; letter-spacing: 0.12em; }
.groupcard__media { height: 180px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.groupcard__media img { max-height: 170px; width: auto; object-fit: contain; }
.groupcard__body { display: flex; flex-direction: column; gap: 6px; margin-top: auto; }
.groupcard__name { font-size: 1.28rem; font-weight: 600; color: var(--ink); }
.groupcard__desc { color: var(--muted); font-size: 0.86rem; line-height: 1.65; }
.groupcard__count { margin-top: 10px; color: var(--teal-deep); font-size: 0.82rem; font-weight: 600; display: flex; justify-content: space-between; }

/* ── systems ───────────────────────────────────────── */
.syslist { border-top: 1px solid var(--line-strong); }
.sysrow {
  display: grid;
  grid-template-columns: 56px 220px 1fr 80px 30px;
  align-items: center;
  gap: 20px;
  padding: 22px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  transition: background 0.18s var(--ease), padding 0.18s var(--ease);
}
.sysrow:hover { background: var(--paper); color: var(--ink); padding-inline: 16px; }
.sysrow__no { color: var(--muted-2); font-size: 0.75rem; letter-spacing: 0.12em; font-variant-numeric: tabular-nums; }
.sysrow__name { font-size: 1.2rem; font-weight: 600; color: var(--teal-ink); }
.sysrow__desc { color: var(--muted); font-size: 0.88rem; line-height: 1.65; }
.sysrow__count { color: var(--muted); font-size: 0.82rem; text-align: right; }
.sysrow__arrow { color: var(--teal); font-size: 1.1rem; text-align: right; }

/* ── features ──────────────────────────────────────── */
.featuregrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-strong); }
.feature { padding: 26px 26px 0 0; border-right: 1px solid var(--line); }
.feature:last-child { border-right: 0; }
.feature__no { display: block; color: var(--teal); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; margin-bottom: 16px; }
.feature h3 { margin-bottom: 10px; font-size: 1.16rem; }
.feature p { color: var(--muted); font-size: 0.89rem; line-height: 1.75; margin-bottom: 16px; }
.feature a { color: var(--teal-deep); font-size: 0.85rem; font-weight: 600; }
.feature a:hover { color: var(--teal); }

/* ── apps ──────────────────────────────────────────── */
.appgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--dark-line); border: 1px solid var(--dark-line); }
.apptile {
  display: flex; flex-direction: column; gap: 8px;
  min-height: 210px;
  padding: 22px;
  background: var(--dark-2);
  color: var(--paper);
  transition: background 0.2s var(--ease);
}
.apptile:hover { background: var(--teal-ink); color: var(--paper); }
.apptile__no { color: var(--lime); font-size: 0.72rem; letter-spacing: 0.14em; }
.apptile__name { font-size: 1.3rem; font-weight: 600; margin-top: 6px; }
.apptile__tag { color: var(--white-66); font-size: 0.84rem; line-height: 1.6; }
.apptile__arrow { margin-top: auto; color: var(--lime); }

/* ── resource split ────────────────────────────────── */
.resgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.rescol h2 { margin-bottom: 14px; }
.rescol > p { color: var(--muted); line-height: 1.8; margin-bottom: 20px; }
.linklist { border-top: 1px solid var(--line); margin-bottom: 24px; }
.linklist a { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 0.92rem; }
.linklist a:hover { color: var(--teal); }
.linklist a span { color: var(--muted-2); font-size: 0.78rem; white-space: nowrap; }

/* ── page head ─────────────────────────────────────── */
.pagehead {
  background: var(--wash);
  border-bottom: 1px solid var(--line);
  padding: 26px 0 54px;
  position: relative;
  overflow: hidden;
}
.pagehead::after {
  content: "";
  position: absolute; right: -80px; top: -80px;
  width: 320px; height: 320px;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 0.8rem; margin-bottom: 30px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--teal); }
.pagehead__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 440px); gap: 48px; align-items: end; }
.pagehead h1 { margin-bottom: 14px; }
.pagehead__lead { max-width: 68ch; color: var(--muted); font-size: 1.02rem; line-height: 1.85; }
.pagehead__tag { margin-top: 12px; color: var(--teal-deep); font-weight: 600; font-size: 0.9rem; }
.pagehead__meta { display: flex; gap: 34px; }
.pagehead__meta div { display: flex; flex-direction: column; gap: 2px; min-width: 72px; }
.pagehead__meta dt { color: var(--muted); font-size: 0.74rem; letter-spacing: 0.08em; }
.pagehead__meta dd { color: var(--teal); font-size: 1.9rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.pagehead__figure { position: relative; align-self: stretch; display: flex; align-items: flex-end; justify-content: flex-end; min-width: 0; overflow: hidden; }
.pagehead__figure img { max-height: 230px; width: auto; object-fit: contain; }
.pagehead__figure--wide { width: 100%; }
.pagehead__figure--wide img { width: 100%; height: auto; max-height: 300px; object-fit: cover; }
.pagehead__figurecap { position: absolute; right: 0; bottom: 0; background: var(--paper); border-left: 3px solid var(--lime); padding: 6px 12px; font-size: 0.78rem; color: var(--muted); }
.pagehead--legal { padding-bottom: 44px; }
.pagehead--legal h1 { margin-bottom: 10px; }

/* ── filter / product grid ─────────────────────────── */
.filterbar {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr auto;
  gap: 16px;
  align-items: end;
  padding: 18px;
  background: var(--wash);
  border: 1px solid var(--line);
  margin-bottom: 30px;
}
.filterbar__field { display: flex; flex-direction: column; gap: 5px; }
.filterbar__field label { color: var(--muted); font-size: 0.74rem; letter-spacing: 0.06em; }
.filterbar input, .filterbar select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 9px 12px;
  border-radius: var(--radius);
}
.filterbar input:focus, .filterbar select:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-soft); }
.filterbar__result { padding: 0 6px 11px; color: var(--muted); font-size: 0.85rem; white-space: nowrap; }
.filterbar__result span { color: var(--teal); font-size: 1.3rem; font-weight: 700; }

.productgrid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 1fr; gap: 18px; }
.productgrid--four { grid-template-columns: repeat(4, 1fr); }
.pcard {
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.pcard:hover { border-color: var(--teal); transform: translateY(-2px); box-shadow: var(--shadow-soft); color: var(--ink); }
.pcard__media {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 5 / 4;
  padding: 18px;
  background: var(--wash);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.pcard__media img { max-height: 100%; width: auto; object-fit: contain; transition: transform 0.25s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.035); }
.pcard__noimg { color: var(--muted); font-size: 0.85rem; }
.pcard__sys {
  position: absolute; left: 0; top: 0;
  background: var(--paper); color: var(--teal-deep);
  font-size: 0.68rem; letter-spacing: 0.04em;
  padding: 4px 8px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.pcard__body { display: flex; flex-direction: column; gap: 4px; padding: 15px 16px 14px; flex: 1; }
.pcard__model { font-family: var(--font-mono); font-size: 1.02rem; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.pcard__name { color: var(--teal-deep); font-size: 0.8rem; font-weight: 600; }
.pcard__tag { color: var(--muted); font-size: 0.78rem; line-height: 1.55; min-height: 2.4em; }
.pcard__art { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line); color: var(--muted-2); font-size: 0.72rem; font-variant-numeric: tabular-nums; }
.empty { padding: 40px 0; color: var(--muted); text-align: center; border: 1px dashed var(--line-strong); margin-top: 18px; }

.chipset { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-2);
  padding: 7px 11px;
  font-size: 0.82rem;
  border-radius: var(--radius);
}
.chip:hover { border-color: var(--teal); color: var(--teal-deep); }
.chip.is-active { background: var(--teal-deep); border-color: var(--teal-deep); color: var(--paper); }
.chip em { font-style: normal; opacity: 0.65; margin-left: 6px; font-size: 0.74rem; }
.chipset--large { gap: 10px; }
.chipset--large .chip { padding: 10px 15px; font-size: 0.9rem; }

/* ── category ──────────────────────────────────────── */
.catbody { display: grid; grid-template-columns: 1fr 330px; gap: 60px; margin-bottom: 42px; }
.prose { max-width: 74ch; }
.prose h2 { font-size: 1.5rem; margin: 34px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin-bottom: 14px; color: var(--ink-2); line-height: 1.9; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.checklist { border-top: 1px solid var(--line); margin-top: 14px; }
.checklist li { position: relative; padding: 10px 0 10px 24px; border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: 0.92rem; }
.checklist li::before { content: ""; position: absolute; left: 2px; top: 18px; width: 7px; height: 7px; background: var(--lime); }
.checklist--small li { font-size: 0.87rem; padding-block: 8px; }
.checklist--small li::before { top: 15px; }
.catside { align-self: start; padding: 20px; background: var(--wash); border: 1px solid var(--line); position: sticky; top: 106px; }
.catside__label { display: block; font-size: 0.74rem; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 12px; }
.catside__link { display: block; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--teal-deep); font-size: 0.82rem; font-weight: 600; line-height: 1.6; }

/* ── systems overview ──────────────────────────────── */
.systemgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; }
.systemcard { padding: 26px 0; border-top: 1px solid var(--line-strong); }
.systemcard__head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 10px; }
.systemcard__no { color: var(--teal); font-size: 0.76rem; letter-spacing: 0.12em; }
.systemcard__head h2 { font-size: 1.35rem; }
.systemcard__count { margin-left: auto; color: var(--muted); font-size: 0.78rem; }
.systemcard p { color: var(--muted); font-size: 0.9rem; line-height: 1.75; margin-bottom: 8px; }
.systemcard__body { color: var(--ink-2) !important; font-size: 0.86rem !important; }
.systemcard .textlink { margin-top: 10px; font-size: 0.84rem; }

/* ── product detail ────────────────────────────────── */
.product { padding-top: 24px; }
.product__top { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: start; padding-bottom: 50px; border-bottom: 1px solid var(--line); }
.gallery__main {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 4 / 3; min-height: 0;
  background: var(--wash);
  border: 1px solid var(--line);
  padding: 30px;
}
.gallery__main img { max-height: 100%; width: 100%; height: 100%; object-fit: contain; }
.gallery__thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.gallery__thumb { width: 84px; height: 63px; border: 1px solid var(--line); background: var(--wash); padding: 5px; }
.gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.gallery__thumb.is-active, .gallery__thumb:hover { border-color: var(--teal); background: var(--paper); }
.gallery__thumb--sketch { border-style: dashed; }
.gallery__caption { display: flex; justify-content: space-between; gap: 16px; margin-top: 10px; color: var(--muted-2); font-size: 0.76rem; }
.product__info h1 { font-size: clamp(2.1rem, 3.4vw, 3.3rem); margin-bottom: 4px; font-family: var(--font-mono); letter-spacing: -0.03em; }
.product__sub { color: var(--teal-deep); font-size: 1.05rem; font-weight: 600; margin-bottom: 14px; }
.product__tag { color: var(--muted); font-size: 0.94rem; line-height: 1.7; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.pills { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 22px; }
.pills li { background: var(--wash); border: 1px solid var(--line); color: var(--ink-2); font-size: 0.78rem; padding: 5px 9px; }
.buybox { border: 1px solid var(--line-strong); background: var(--paper); padding: 20px; box-shadow: var(--shadow-soft); }
.buybox__row { display: flex; gap: 40px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.buybox__label { display: block; color: var(--muted); font-size: 0.74rem; }
.buybox__row strong { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.buybox__note { color: var(--muted); font-size: 0.82rem; line-height: 1.65; padding: 12px 0; }
.buybox__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.buybox__contact { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 0.84rem; }
.buybox__contact a { color: var(--teal-deep); font-weight: 600; }
.quickfacts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 22px; background: var(--line); border: 1px solid var(--line); }
.quickfacts > div { background: var(--paper); padding: 12px 14px; }
.quickfacts dt { color: var(--muted); font-size: 0.72rem; margin-bottom: 2px; }
.quickfacts dd { font-size: 0.86rem; font-weight: 600; }
.product__details { display: grid; grid-template-columns: 1fr 330px; gap: 60px; }
.product__main h2 { font-size: 1.5rem; margin: 38px 0 14px; }
.product__main h2:first-child { margin-top: 0; }
.product__desc { color: var(--ink-2); line-height: 1.95; max-width: 76ch; }
.spectable { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.spectable tr { border-bottom: 1px solid var(--line); }
.spectable th { text-align: left; font-weight: 400; color: var(--muted); font-size: 0.86rem; padding: 11px 16px 11px 0; width: 38%; vertical-align: top; }
.spectable td { padding: 11px 0; font-size: 0.9rem; color: var(--ink); font-weight: 600; }
.spectable tr:hover { background: var(--wash); }
.notice { border-left: 3px solid var(--lime); background: var(--wash); padding: 14px 16px; color: var(--muted); font-size: 0.9rem; }
.dlrow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dlcard { display: flex; flex-direction: column; gap: 3px; border: 1px solid var(--line); padding: 14px 16px; background: var(--wash); color: var(--ink); }
.dlcard:hover { border-color: var(--teal); background: var(--paper); color: var(--ink); }
.dlcard span { color: var(--teal); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; }
.dlcard strong { font-size: 0.92rem; }
.dlcard em { color: var(--muted); font-size: 0.76rem; font-style: normal; }
.source-note { margin-top: 20px; color: var(--muted-2); font-size: 0.78rem; line-height: 1.7; }
.product__aside { align-self: start; position: sticky; top: 106px; }
.asidebox { border: 1px solid var(--line); padding: 20px; margin-bottom: 16px; }
.asidebox--wash { background: var(--wash); }
.asidebox h3 { font-size: 1rem; margin-bottom: 10px; }
.asidebox p { color: var(--muted); font-size: 0.86rem; line-height: 1.7; margin-bottom: 8px; }
.steps { counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 8px 0 8px 30px; border-bottom: 1px solid var(--line); font-size: 0.85rem; color: var(--ink-2); }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 9px; width: 19px; height: 19px; background: var(--teal); color: var(--paper); font-size: 0.68rem; display: flex; align-items: center; justify-content: center; }
.minilist a { display: flex; flex-direction: column; gap: 2px; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.minilist a:hover { color: var(--teal); }
.minilist span { font-family: var(--font-mono); font-size: 0.86rem; font-weight: 600; }
.minilist em { color: var(--muted); font-size: 0.74rem; font-style: normal; }

/* ── applications ──────────────────────────────────── */
.appcards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.appcard { display: grid; grid-template-columns: 0.9fr 1.1fr; background: var(--paper); border: 1px solid var(--line); color: var(--ink); min-height: 260px; transition: border-color 0.2s, transform 0.2s; }
.appcard:hover { border-color: var(--teal); transform: translateY(-2px); color: var(--ink); }
.appcard__media { overflow: hidden; background: var(--wash); }
.appcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s var(--ease); }
.appcard:hover .appcard__media img { transform: scale(1.03); }
.appcard__body { display: flex; flex-direction: column; gap: 8px; padding: 24px; }
.appcard__no { color: var(--teal); font-size: 0.74rem; letter-spacing: 0.14em; }
.appcard__name { font-size: 1.4rem; font-weight: 600; }
.appcard__tag { color: var(--muted); font-size: 0.86rem; line-height: 1.65; }
.appcard__more { margin-top: auto; color: var(--teal-deep); font-size: 0.82rem; font-weight: 600; }
.appbody { display: grid; grid-template-columns: 1fr 330px; gap: 60px; }
.reco { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.recocard { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--line); padding: 16px; background: var(--wash); color: var(--ink); }
.recocard:hover { border-color: var(--teal); background: var(--paper); }
.recocard__name { font-weight: 600; font-size: 1rem; }
.recocard__short { color: var(--muted); font-size: 0.8rem; }
.recocard__count { margin-top: 8px; color: var(--teal-deep); font-size: 0.76rem; }
.twoup { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.figure img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.figure figcaption { color: var(--muted); font-size: 0.8rem; margin-top: 10px; }

/* ── selector ──────────────────────────────────────── */
.selector { border-top: 2px solid var(--ink); }
.selector__step { display: grid; grid-template-columns: 56px minmax(240px, 0.9fr) minmax(0, 1.1fr); gap: 22px; padding: 26px 0; border-bottom: 1px solid var(--line); align-items: start; }
.selector__no { color: var(--teal); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; padding-top: 6px; }
.selector__step h2 { grid-column: 2; grid-row: 1; font-size: 1.25rem; margin: 0 0 8px; }
.selector__step > p { grid-column: 2; grid-row: 2; margin: 0; color: var(--muted); font-size: 0.87rem; line-height: 1.7; }
.selector__step .chipset { grid-column: 3; grid-row: 1 / span 2; }

@media (max-width: 900px) {
  .selector__step h2, .selector__step > p, .selector__step .chipset { grid-column: 2; grid-row: auto; }
}
@media (max-width: 760px) {
  .selector__step h2, .selector__step > p, .selector__step .chipset { grid-column: 1; }
}
.paramgrid { grid-column: 3; grid-row: 1 / span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.paramgrid div { border: 1px solid var(--line); padding: 12px 14px; background: var(--wash); }
.paramgrid strong { display: block; font-size: 0.86rem; margin-bottom: 3px; }
.paramgrid span { color: var(--muted); font-size: 0.78rem; line-height: 1.55; }
.selector__result { margin-top: 44px; }
.selector__resultbar { display: flex; align-items: center; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.selector__resultbar h2 { font-size: 1.4rem; }
.selector__resultbar > span { color: var(--muted); font-size: 0.85rem; }
.selector__resultbar > span strong { color: var(--teal); font-size: 1.3rem; }
.selector__resultbar .btn { margin-left: auto; }

/* ── downloads ─────────────────────────────────────── */
.dlgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.dlbig { display: flex; flex-direction: column; gap: 5px; border: 1px solid var(--line); padding: 20px; background: var(--wash); color: var(--ink); min-height: 180px; }
.dlbig:hover { border-color: var(--teal); background: var(--paper); color: var(--ink); }
.dlbig__tag { align-self: flex-start; background: var(--teal); color: var(--paper); font-size: 0.68rem; padding: 2px 7px; letter-spacing: 0.06em; }
.dlbig strong { font-size: 1rem; line-height: 1.45; margin-top: 4px; }
.dlbig span:not(.dlbig__tag) { color: var(--muted); font-size: 0.8rem; line-height: 1.55; }
.dlbig em { margin-top: auto; color: var(--teal-deep); font-size: 0.75rem; font-style: normal; font-weight: 600; }
.dlrows { border-top: 1px solid var(--line-strong); }
.dlrows a { display: grid; grid-template-columns: 1.2fr 1.6fr 80px 30px; gap: 18px; align-items: center; padding: 15px 8px; border-bottom: 1px solid var(--line); color: var(--ink); }
.dlrows a:hover { background: var(--wash); color: var(--ink); }
.dlrows__title { font-weight: 600; font-size: 0.94rem; }
.dlrows__note { color: var(--muted); font-size: 0.82rem; }
.dlrows__size { color: var(--muted-2); font-size: 0.78rem; text-align: right; }
.dlrows__arrow { color: var(--teal); text-align: right; }
.tabletool { display: flex; align-items: center; gap: 14px; padding: 12px 0 16px; }
.tabletool label { color: var(--muted); font-size: 0.8rem; }
.tabletool input { flex: 1; max-width: 480px; min-height: 42px; border: 1px solid var(--line-strong); padding: 8px 12px; background: var(--paper); }
.tabletool input:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-soft); }
.tabletool span { color: var(--muted); font-size: 0.8rem; }
.tablewrap { overflow-x: auto; border-top: 2px solid var(--ink); }
.datatable { width: 100%; border-collapse: collapse; min-width: 720px; }
.datatable th { text-align: left; color: var(--muted); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.04em; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); }
.datatable td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); font-size: 0.85rem; }
.datatable tr:hover td { background: var(--wash); }
.datatable .mono { font-family: var(--font-mono); font-size: 0.8rem; }
.dl-mini { color: var(--teal-deep); font-weight: 600; font-size: 0.8rem; }

/* ── knowledge ─────────────────────────────────────── */
.artgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.artcard { display: flex; flex-direction: column; gap: 10px; border: 1px solid var(--line); padding: 24px; background: var(--paper); color: var(--ink); min-height: 250px; transition: border-color 0.2s, transform 0.2s; }
.artcard:hover { border-color: var(--teal); transform: translateY(-2px); color: var(--ink); }
.artcard__tag { color: var(--teal-deep); font-size: 0.72rem; letter-spacing: 0.1em; font-weight: 700; }
.artcard h2 { font-size: 1.18rem; line-height: 1.45; }
.artcard p { color: var(--muted); font-size: 0.85rem; line-height: 1.7; }
.artcard__meta { margin-top: auto; color: var(--muted-2); font-size: 0.76rem; }
.faqlist { border-top: 1px solid var(--line-strong); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 16px 0; cursor: pointer; font-weight: 600; font-size: 1rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--teal); font-size: 1.3rem; font-weight: 400; }
.faq[open] summary span { transform: rotate(45deg); }
.faq p { color: var(--muted); font-size: 0.9rem; line-height: 1.8; padding: 0 40px 18px 0; max-width: 90ch; }
.articlehead { background: var(--wash); border-bottom: 1px solid var(--line); padding: 26px 0 56px; }
.articlehead__inner { max-width: 900px; }
.articlehead h1 { font-size: clamp(2rem, 3.2vw, 2.9rem); margin-bottom: 14px; }
.articlehead__summary { color: var(--muted); font-size: 1.02rem; line-height: 1.8; margin-bottom: 16px; }
.articlehead__meta { color: var(--muted-2); font-size: 0.78rem; }
.articlebody { display: grid; grid-template-columns: 1fr 300px; gap: 64px; }
.prose--article h2 { font-size: 1.45rem; margin-top: 38px; }
.prose--article p { font-size: 1.02rem; line-height: 1.95; }
.articlefoot { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); }
.articlefoot p { color: var(--muted); font-size: 0.82rem; margin-bottom: 16px; }
.articlefoot .btn { margin-right: 8px; }
.articleaside { align-self: start; border-top: 2px solid var(--ink); padding-top: 16px; position: sticky; top: 106px; }
.articleaside h3 { font-size: 0.95rem; margin-bottom: 12px; }
.articleaside a { display: flex; flex-direction: column; gap: 2px; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 0.84rem; line-height: 1.5; }
.articleaside a span { color: var(--teal-deep); font-size: 0.7rem; letter-spacing: 0.06em; }
.articleaside a:hover { color: var(--teal); }

/* ── about / contact ───────────────────────────────── */
.aboutgrid { display: grid; grid-template-columns: 1fr 340px; gap: 64px; }
.aboutaside { align-self: start; }
.contactquick { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); min-width: 420px; align-self: end; }
.contactquick > * { background: var(--paper); padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.contactquick span { color: var(--muted); font-size: 0.72rem; }
.contactquick strong { font-size: 0.92rem; font-weight: 600; line-height: 1.45; }
.contactquick a:hover strong { color: var(--teal); }
.contactgrid { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
.enquiry { border: 1px solid var(--line); padding: 30px; background: var(--paper); }
.enquiry h2 { font-size: 1.6rem; margin-bottom: 8px; }
.enquiry__note { color: var(--muted); font-size: 0.85rem; line-height: 1.7; margin-bottom: 22px; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--ink-2); font-size: 0.82rem; font-weight: 600; }
.field input, .field textarea { border: 1px solid var(--line-strong); padding: 11px 12px; background: var(--paper); border-radius: var(--radius); }
.field input:focus, .field textarea:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-soft); }
.field textarea { resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.enquiry__actions { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.enquiry__status { font-size: 0.86rem; color: var(--muted); }
.enquiry__status.is-ok { color: var(--teal-deep); font-weight: 600; }
.enquiry__status.is-err { color: var(--alert); font-weight: 600; }
.enquiry__legal { color: var(--muted-2); font-size: 0.75rem; margin-top: 14px; }
.prose--legal { max-width: 82ch; }
.prose--legal h2 { margin-top: 32px; font-size: 1.3rem; }
.prose--legal p { color: var(--ink-2); }

/* ── search / 404 ──────────────────────────────────── */
.searchpage { display: flex; gap: 10px; max-width: 820px; margin-top: 22px; }
.searchpage input { flex: 1; min-height: 52px; border: 1px solid var(--line-strong); padding: 12px 16px; background: var(--paper); }
.searchpage input:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-soft); }
.searchhint { color: var(--muted-2); font-size: 0.8rem; margin-top: 10px; }
.searchmeta { color: var(--muted); margin-bottom: 20px; }
.searchresults { display: flex; flex-direction: column; border-top: 1px solid var(--line-strong); }
.searchresult { display: grid; grid-template-columns: 80px 1fr auto; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.searchresult:hover { background: var(--wash); color: var(--ink); }
.searchresult__type { color: var(--teal-deep); font-size: 0.74rem; font-weight: 700; }
.searchresult__title { font-weight: 600; }
.searchresult__sub { display: block; color: var(--muted); font-size: 0.8rem; font-weight: 400; }
.searchresult__meta { color: var(--muted-2); font-size: 0.76rem; text-align: right; }
.notfound { padding: 100px 0 110px; background: var(--wash); }
.notfound__inner { max-width: 760px; }
.notfound h1 { margin-bottom: 16px; }
.notfound p { color: var(--muted); font-size: 1.02rem; max-width: 60ch; }
.notfound__actions { display: flex; gap: 12px; margin-top: 26px; }
.notfound__links { display: flex; gap: 22px; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line-strong); font-size: 0.88rem; }

/* ── CTA band / footer ─────────────────────────────── */
.cta-band { background: var(--teal); color: var(--paper); padding: 46px 0; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band h2 { color: var(--paper); font-size: clamp(1.5rem, 2.2vw, 2rem); margin-bottom: 6px; }
.cta-band p { color: var(--white-80); font-size: 0.9rem; max-width: 60ch; }
.cta-band__actions { display: flex; align-items: center; gap: 26px; flex: 0 0 auto; }
.cta-band__phone { display: flex; flex-direction: column; color: var(--paper); font-size: 1.3rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.cta-band__phone span { color: var(--white-72); font-size: 0.8rem; font-weight: 400; }
.cta-band__phone:hover { color: var(--paper); }

.footer { background: var(--dark); color: var(--paper); padding: 62px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 0.9fr 1fr 0.9fr 1.1fr; gap: 36px; }
.footer__brand img { height: 28px; width: auto; margin-bottom: 16px; }
.footer__brand p { color: var(--white-70); font-size: 0.84rem; line-height: 1.7; margin-bottom: 10px; }
.footer__operator { color: var(--white-48) !important; font-size: 0.76rem !important; }
.footer h4 { color: var(--paper); font-size: 0.78rem; letter-spacing: 0.1em; margin-bottom: 14px; }
.footer__col { display: flex; flex-direction: column; }
.footer__col a { color: var(--white-72); font-size: 0.82rem; padding: 4px 0; display: flex; justify-content: space-between; gap: 12px; }
.footer__col a:hover { color: var(--lime); }
.footer__col a span { color: var(--white-35); font-size: 0.72rem; }
.footer__contact span { color: var(--white-62); font-size: 0.8rem; line-height: 1.6; padding: 3px 0; }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  margin-top: 46px; padding: 18px 0 22px;
  border-top: 1px solid var(--dark-line);
  color: var(--white-45);
  font-size: 0.74rem;
}
.footer__legal { display: flex; gap: 20px; }
.footer__legal a { color: var(--white-62); }
.footer__legal a:hover { color: var(--lime); }
.footer__source { color: var(--white-35); }

.quick-inquiry {
  position: fixed; z-index: 80; left: 50%; bottom: 18px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 16px;
  background: var(--paper); border: 1px solid var(--line-strong);
  padding: 10px 12px 10px 18px;
  box-shadow: var(--shadow);
  font-size: 0.86rem;
}
.quick-inquiry[hidden] { display: none; }
.quick-inquiry__close { border: 0; background: transparent; color: var(--muted); font-size: 1.1rem; padding: 4px 6px; }

/* ── responsive ────────────────────────────────────── */
@media (max-width: 1240px) {
  .nav__link { padding-inline: 8px; font-size: 0.88rem; }
  .header__inner { gap: 18px; }
  .topbar__op { display: none; }
  .groupgrid { grid-template-columns: repeat(3, 1fr); }
  .productgrid, .productgrid--four { grid-template-columns: repeat(3, 1fr); }
  .featuregrid { grid-template-columns: 1fr 1fr; }
  .feature:nth-child(2) { border-right: 0; }
  .feature { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .footer__contact { grid-column: 2 / -1; }
}
@media (max-width: 1024px) {
  :root { --gutter: 28px; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 10px 28px 18px; gap: 0; }
  .nav.is-open { display: flex; }
  .nav__link { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .menu-btn { display: flex; }
  .header__cta { display: none; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy { padding: 60px 0 40px; }
  .hero__visual { min-height: 380px; }
  .statstrip { grid-template-columns: 1fr 1fr; }
  .statstrip__item:nth-child(2) { border-right: 0; }
  .statstrip__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section { padding-block: 64px; }
  .section__head { grid-template-columns: 1fr; gap: 16px; }
  .section__head .textlink { justify-self: start; }
  .product__top { grid-template-columns: 1fr; gap: 34px; }
  .gallery__main { min-height: 0; }
  .product__details, .catbody, .aboutgrid, .contactgrid, .articlebody, .appbody { grid-template-columns: 1fr; gap: 36px; }
  .catside, .product__aside, .articleaside { position: static; }
  .pagehead__grid { grid-template-columns: 1fr; gap: 26px; }
  .pagehead__figure { justify-content: flex-start; }
  .pagehead__figure img { max-height: 200px; }
  .appgrid { grid-template-columns: repeat(3, 1fr); }
  .appcards { grid-template-columns: 1fr; }
  .systemgrid { grid-template-columns: 1fr; }
  .artgrid { grid-template-columns: 1fr 1fr; }
  .dlgrid { grid-template-columns: 1fr 1fr; }
  .resgrid { grid-template-columns: 1fr; gap: 44px; }
  .selector__step { grid-template-columns: 44px 1fr; }
  .selector__step .chipset, .paramgrid { grid-column: 2; grid-row: auto; }
  .selector__step > p { grid-column: 2; }
  .filterbar { grid-template-columns: 1fr 1fr; }
  .filterbar__search { grid-column: 1 / -1; }
  .contactquick { min-width: 0; }
}
@media (max-width: 760px) {
  :root { --gutter: 18px; }
  body { font-size: 15.5px; }
  .topbar__tag { font-size: 0.72rem; }
  .topbar__links { gap: 12px; font-size: 0.72rem; }
  .topbar__links a:first-child { display: none; }
  .header__inner { min-height: 70px; }
  .logo img { height: 24px; }
  .groupgrid { grid-template-columns: 1fr 1fr; }
  .groupcard { min-height: 300px; padding: 16px; }
  .groupcard__media { height: 130px; }
  .groupcard__media img { max-height: 120px; }
  .productgrid, .productgrid--four { grid-template-columns: 1fr 1fr; gap: 10px; }
  .pcard__body { padding: 12px; }
  .pcard__model { font-size: 0.92rem; }
  .pcard__tag { min-height: 0; }
  .sysrow { grid-template-columns: 36px 1fr auto; gap: 10px 12px; padding: 16px 4px; }
  .sysrow__desc { grid-column: 2 / -1; }
  .sysrow__count { grid-column: 2; text-align: left; }
  .sysrow__arrow { grid-column: 3; grid-row: 1; }
  .featuregrid { grid-template-columns: 1fr; }
  .feature { border-right: 0; padding-right: 0; }
  .appgrid { grid-template-columns: 1fr 1fr; }
  .apptile { min-height: 170px; padding: 16px; }
  .apptile__name { font-size: 1.1rem; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__contact { grid-column: 1 / -1; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { flex-wrap: wrap; }
  .pagehead { padding-bottom: 36px; }
  .pagehead__meta { gap: 24px; }
  .pagehead__meta dd { font-size: 1.5rem; }
  .pagehead__figure { display: none; }
  .product__info h1 { font-size: 2rem; }
  .gallery__main { min-height: 0; padding: 18px; }
  .gallery__main img { max-height: 100%; }
  .dlrow { grid-template-columns: 1fr; }
  .quickfacts { grid-template-columns: 1fr 1fr; }
  .dlgrid { grid-template-columns: 1fr; }
  .dlrows a { grid-template-columns: 1fr auto; gap: 4px 12px; }
  .dlrows__note { grid-column: 1 / -1; }
  .dlrows__size { grid-column: 1; text-align: left; }
  .dlrows__arrow { grid-column: 2; grid-row: 1; }
  .artgrid { grid-template-columns: 1fr; }
  .formgrid { grid-template-columns: 1fr; }
  .field { grid-column: 1 / -1; }
  .enquiry { padding: 20px; }
  .contactquick { grid-template-columns: 1fr 1fr; }
  .filterbar { grid-template-columns: 1fr; padding: 14px; }
  .filterbar__result { padding-bottom: 0; }
  .selector__step { grid-template-columns: 1fr; gap: 10px; }
  .selector__step .chipset, .paramgrid, .selector__step > p { grid-column: 1; }
  .paramgrid { grid-template-columns: 1fr; }
  .searchresult { grid-template-columns: 64px 1fr; }
  .searchresult__meta { grid-column: 2; text-align: left; }
  .cta-band__phone { font-size: 1.1rem; }
  .quick-inquiry { width: calc(100% - 24px); justify-content: space-between; }
}
@media (max-width: 520px) {
  .groupgrid { grid-template-columns: 1fr; }
  .groupcard { min-height: 240px; }
  .productgrid, .productgrid--four { grid-template-columns: 1fr; }
  .statstrip { grid-template-columns: 1fr; }
  .statstrip__item { border-right: 0; border-bottom: 1px solid var(--line); padding-right: 0; }
  .statstrip__item:last-child { border-bottom: 0; }
  .appgrid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__contact, .footer__brand { grid-column: 1; }
  .hero__visual { min-height: 280px; }
  .hero__badge { left: 12px; bottom: 12px; right: 12px; max-width: none; }
  .pagehead__meta { flex-wrap: wrap; }
  .appcard { grid-template-columns: 1fr; }
  .appcard__media img { aspect-ratio: 16/9; }
  .notfound__actions { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

.apptile--cta { background: var(--teal-ink); box-shadow: inset 0 0 0 1px var(--lime); }
.apptile--cta:hover { background: var(--teal-deep); }

/* CJK 排版：标题避免单字成行，正文避免孤行 */
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }