/* ============================================================
   RAACO 中国站 · 设计系统
   视觉来源：raaco.com 2026 品牌（深海军蓝 #003660 + 黄绿 #E6E569），
   以“模块化收纳”为版式母题：细分隔线、编号、标签条、工业表格。
   ============================================================ */

:root {
  --navy: #003660;
  --navy-deep: #002744;
  --navy-soft: #0b4675;
  --ink: #0e2233;
  --ink-2: #33454f;
  --muted: #63727a;
  --paper: #f7f7f2;
  --surface: #ffffff;
  --tint: #eef0e8;
  --tint-2: #e4e7dc;
  --line: #d5dacd;
  --line-strong: #b9c1b6;
  --lime: #e6e569;
  --yellow: #fcee21;
  --esd: #6b4fa8;
  --danger: #a8322d;
  --wrap: 1320px;
  --pad: 32px;
  --header-h: 76px;
  --radius: 2px;
  --shadow: 0 18px 50px rgba(0, 30, 55, .08);
  --font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); }
[id] { scroll-margin-top: calc(var(--header-h) + 18px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
p { margin: 0 0 1em; text-wrap: pretty; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.22; font-weight: 600; letter-spacing: -.018em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 4.2vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.35rem); }
h3 { font-size: 1.14rem; }
ul, ol { margin: 0; padding: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute; 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: 12px; top: -60px; z-index: 200;
  background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 2px;
}
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--navy-soft); outline-offset: 3px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }

/* ── 顶部 / 导航 ─────────────────────────────────────────── */
.topbar { background: var(--navy-deep); color: rgba(255,255,255,.82); font-size: 12.5px; letter-spacing: .02em; }
.topbar__inner { display: flex; justify-content: space-between; gap: 20px; align-items: center; min-height: 34px; }
.topbar__tag { font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; }
.topbar__links { display: flex; gap: 22px; white-space: nowrap; }
.topbar__links a:hover { color: var(--lime); text-decoration: none; }

.header {
  position: sticky; top: 0; z-index: 80; background: rgba(247,247,242,.96);
  border-bottom: 1px solid var(--line); backdrop-filter: saturate(140%) blur(8px);
}
.header__inner { display: flex; align-items: center; gap: 40px; min-height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .06em; }
.logo img { width: 168px; height: auto; }
.logo__cn {
  font-size: 12px; font-weight: 600; letter-spacing: .18em; color: var(--navy);
  border-left: 1px solid var(--line-strong); padding-left: 10px;
}
.nav { display: flex; gap: 30px; margin-left: auto; }
.nav__link {
  position: relative; font-size: 15px; font-weight: 500; color: var(--ink-2);
  padding: 26px 0 24px;
}
.nav__link:hover { color: var(--navy); text-decoration: none; }
.nav__link.is-active { color: var(--navy); font-weight: 600; }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 18px; height: 3px; background: var(--lime);
}
.header__actions { display: flex; align-items: center; gap: 12px; }
.icon-btn {
  width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); border-radius: 50%;
}
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.icon-btn:hover { background: var(--tint); }
.header__cta { padding: 11px 18px; font-size: 14px; }
.menu-btn { display: none; width: 44px; height: 42px; background: none; border: 1px solid var(--line); border-radius: 2px; padding: 11px 10px; }
.menu-btn span { display: block; height: 1.5px; background: var(--ink); margin: 5px 0; transition: .2s; }
body.nav-open .menu-btn span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .menu-btn span:nth-child(2) { opacity: 0; }
body.nav-open .menu-btn span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.searchbar { border-top: 1px solid var(--line); background: var(--surface); }
.searchbar__inner { display: flex; align-items: center; gap: 14px; padding-top: 18px; padding-bottom: 18px; }
.searchbar svg { width: 22px; height: 22px; fill: none; stroke: var(--muted); stroke-width: 1.7; flex: 0 0 auto; }
.searchbar input { flex: 1; border: 0; background: var(--tint); height: 48px; padding: 0 16px; border-radius: 2px; font-size: 16px; }
.searchbar input:focus { outline: 2px solid var(--navy); }

/* ── 按钮 / 标签 ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 11px 22px; border: 1px solid transparent; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; letter-spacing: .01em; line-height: 1.3;
  transition: background .18s, color .18s, border-color .18s, transform .18s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--lg { min-height: 54px; padding: 15px 28px; font-size: 16px; }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-deep); }
.btn--yellow { background: var(--yellow); color: var(--navy-deep); }
.btn--yellow:hover { background: var(--lime); }
.btn--line { border-color: var(--line-strong); background: transparent; color: var(--ink); }
.btn--line:hover { border-color: var(--navy); background: var(--surface); }
.btn--ghost-light { border-color: rgba(255,255,255,.34); color: #fff; }
.btn--ghost-light:hover { border-color: var(--lime); color: var(--lime); }
.textlink { font-weight: 600; font-size: 14.5px; color: var(--navy); white-space: nowrap; }
.textlink--light { color: var(--lime); }
.eyebrow {
  display: flex; align-items: center; gap: 12px; margin: 0 0 16px;
  font-family: var(--mono); font-size: 11.5px; font-weight: 500; letter-spacing: .16em;
  text-transform: uppercase; color: var(--navy);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--lime); flex: 0 0 auto; }
.badge {
  display: inline-flex; align-items: center; min-height: 26px; padding: 3px 9px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em; border-radius: 2px;
}
.badge--esd { background: var(--esd); color: #fff; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--line-strong);
  background: transparent; border-radius: 999px; font-size: 13.5px; white-space: nowrap;
}
.chip:hover, .chip.is-active { background: var(--navy); border-color: var(--navy); color: #fff; text-decoration: none; }
.lead { font-size: clamp(1.08rem, 1.35vw, 1.26rem); line-height: 1.72; color: var(--ink-2); }

/* ── 首页 Hero ───────────────────────────────────────────── */
.hero { padding: 74px 0 68px; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 5.4vw, 4.7rem); line-height: 1.08; letter-spacing: -.035em; margin-bottom: 26px; }
.hero h1 span { display: block; }
.hero h1 span:last-child { color: var(--navy); }
.hero__lede { max-width: 36em; font-size: 17px; color: var(--ink-2); margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 42px; }
.hero__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; border-top: 1px solid var(--line-strong); }
.hero__stats div { padding: 16px 14px 0 0; border-right: 1px solid var(--line); }
.hero__stats div:last-child { border-right: 0; }
.hero__stats dt { font-family: var(--mono); font-size: 24px; font-weight: 600; color: var(--navy); line-height: 1.1; }
.hero__stats dd { margin: 4px 0 0; font-size: 12px; color: var(--muted); letter-spacing: .02em; }

.hero__visual { position: relative; }
.hero__frame {
  position: relative; display: grid; grid-template-columns: 1.45fr 1fr; gap: 10px;
  background: var(--navy); padding: 12px; box-shadow: var(--shadow);
}
.hero__main { margin: 0; grid-row: span 1; overflow: hidden; background: var(--tint); }
.hero__main img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1 / 1; }
.hero__stack { display: grid; gap: 10px; }
.hero__stack img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1 / 1; background: var(--surface); }
.hero__tick {
  position: absolute; font-family: var(--mono); font-size: 10px; letter-spacing: .12em;
  color: var(--navy); background: var(--lime); padding: 3px 7px;
}
.hero__tick--a { top: 20px; left: 20px; }
.hero__tick--b { bottom: 20px; right: 20px; }
.hero__caption {
  margin: 14px 0 0; font-family: var(--mono); font-size: 11px; letter-spacing: .04em;
  color: var(--muted); text-align: right;
}

/* ── 区块 ───────────────────────────────────────────────── */
.section { padding: 92px 0; }
.section--tight { padding: 56px 0; }
.section--tint { background: var(--tint); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--navy { background: var(--navy); color: rgba(255,255,255,.86); }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--navy .eyebrow { color: var(--lime); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
.section-head h2 { margin: 0; }
.section-head--light .eyebrow { color: var(--lime); }
.section-head--light h2 { color: #fff; }
.section-note { max-width: 70em; color: var(--muted); font-size: 14.5px; margin: -18px 0 28px; }
.section-note--light { color: rgba(255,255,255,.62); }
.section-note a { color: var(--lime); }

/* 首页 intro */
.intro__grid { display: grid; grid-template-columns: .8fr 1.4fr; gap: 64px; }
.intro__head h2 { font-size: clamp(1.9rem, 3vw, 2.8rem); max-width: 9em; }
.intro__text .lead { margin-bottom: 34px; }
.intro__points { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 34px; }
.ipoint { border-top: 1px solid var(--line-strong); padding-top: 16px; }
.ipoint__num { font-family: var(--mono); font-size: 11px; color: var(--navy); letter-spacing: .1em; }
.ipoint h3 { margin: 6px 0 6px; font-size: 1.05rem; }
.ipoint p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.65; }

/* 分类卡 */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.cat-card:hover { text-decoration: none; border-color: var(--navy); transform: translateY(-2px); box-shadow: var(--shadow); }
.cat-card--wide { grid-column: span 2; }
.cat-card__media { background: var(--tint-2); overflow: hidden; }
.cat-card__media img { width: 100%; height: 190px; object-fit: contain; padding: 14px; mix-blend-mode: multiply; }
.cat-card--wide .cat-card__media img { height: 230px; }
.cat-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.cat-card__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.cat-card__count { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--navy); }
.cat-card__no { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.cat-card h3 { margin-bottom: 8px; font-size: 1.25rem; }
.cat-card p { color: var(--muted); font-size: 13.8px; line-height: 1.65; margin-bottom: 16px; flex: 1; }
.cat-card__series { font-family: var(--mono); font-size: 11px; color: var(--ink-2); letter-spacing: .05em; }
.cat-grid--compact { grid-template-columns: repeat(3, 1fr); }
.cat-card--list .cat-card__media img { height: 160px; }
.cat-card--list p { margin-bottom: 4px; }

/* 系列卡 */
.series-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.series-card { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--surface); transition: .2s; }
.series-card:hover { text-decoration: none; border-color: var(--navy); box-shadow: var(--shadow); }
.series-card__media { background: var(--tint); overflow: hidden; }
.series-card__media img { width: 100%; height: 210px; object-fit: contain; padding: 12px; mix-blend-mode: multiply; }
.series-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.series-card__cat { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.series-card h3 { margin: 6px 0 8px; }
.series-card p { font-size: 13.8px; color: var(--muted); line-height: 1.65; flex: 1; }
.series-card__count { font-size: 13px; font-weight: 600; color: var(--navy); }

/* 应用卡 */
.app-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.app-card { display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.86); }
.app-card:hover { text-decoration: none; border-color: var(--lime); }
.app-card__media img { width: 100%; height: 150px; object-fit: cover; filter: saturate(.85); }
.app-card__body { padding: 16px 16px 18px; }
.app-card__en { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--lime); }
.app-card h3 { font-size: 1.02rem; margin: 5px 0 7px; }
.app-card p { font-size: 12.8px; line-height: 1.6; color: rgba(255,255,255,.66); margin: 0; }

/* why */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 2px solid var(--navy); }
.why { padding: 22px 24px 0 0; border-right: 1px solid var(--line); margin-right: 24px; }
.why:last-child { border-right: 0; margin-right: 0; }
.why__num { font-family: var(--mono); font-size: 13px; color: var(--navy); letter-spacing: .1em; }
.why h3 { margin: 10px 0 8px; font-size: 1.08rem; }
.why p { color: var(--muted); font-size: 14.2px; line-height: 1.68; margin: 0; }
.why-grid--light { border-top-color: var(--lime); }
.why-grid--light .why { border-right-color: rgba(255,255,255,.18); }
.why-grid--light .why__num { color: var(--lime); font-size: 20px; }
.why-grid--light .why p { color: rgba(255,255,255,.72); font-size: 14px; }

/* 资料 band */
.download-band { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.download-band h2 { margin-bottom: 16px; }
.download-band p { color: var(--muted); max-width: 34em; }
.download-band__list { border-top: 1px solid var(--line-strong); }
.dl-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 20px; padding: 15px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.dl-row span { font-size: 14px; color: var(--ink-2); }
.dl-row b { font-family: var(--mono); font-size: 22px; color: var(--navy); }
.dl-row em { grid-column: 1 / -1; font-style: normal; font-size: 11.5px; color: var(--muted); font-family: var(--mono); letter-spacing: .03em; }

/* 文章卡 */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.article-card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  padding: 26px 26px 24px; min-height: 230px; transition: .2s;
}
.article-card:hover { text-decoration: none; border-color: var(--navy); box-shadow: var(--shadow); }
.article-card__meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.article-card h2, .article-card h3 { margin: 14px 0 10px; font-size: 1.16rem; line-height: 1.4; }
.article-card p { color: var(--muted); font-size: 14px; line-height: 1.65; flex: 1; }
.article-card__more { font-size: 13px; font-weight: 600; color: var(--navy); margin-top: 14px; }

/* 首页联系 band */
.contact-band { display: flex; justify-content: space-between; align-items: center; gap: 48px; border-top: 2px solid var(--navy); padding-top: 34px; }
.contact-band h2 { margin-bottom: 10px; }
.contact-band p { color: var(--muted); max-width: 38em; margin: 0; }
.contact-band__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; flex: 0 0 auto; }
.contact-band__phone { font-family: var(--mono); font-size: 22px; color: var(--navy); margin-top: 10px; }
.contact-band__mail { font-family: var(--mono); font-size: 14px; color: var(--ink-2); }

/* ── 内页头部 / 面包屑 ─────────────────────────────────── */
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12.5px; color: var(--muted); margin-bottom: 26px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--navy); }
.crumbs b { color: var(--ink); font-weight: 500; }
.page-head { padding: 46px 0 52px; border-bottom: 1px solid var(--line); }
.page-head__grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: end; }
.page-head h1 { margin-bottom: 16px; }
.page-head .lead { max-width: 44em; margin-bottom: 0; }
.page-head__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.page-head__stats div { background: var(--paper); padding: 18px 18px 16px; min-width: 0; }
.page-head__stats b { display: block; font-family: var(--mono); font-size: 26px; color: var(--navy); line-height: 1.1; }
.page-head__stats span { font-size: 12px; color: var(--muted); }
.page-head__media { margin: 0; border: 1px solid var(--line); background: var(--tint); }
.page-head__media img { width: 100%; height: 240px; object-fit: cover; }
.page-head--doc, .page-head--search { padding-bottom: 40px; }
.page-head--search .lead { margin-bottom: 24px; }
.lang-note { margin-top: 18px; padding: 12px 16px; background: var(--tint); border-left: 3px solid var(--navy); font-size: 13.5px; color: var(--ink-2); }

/* 分类快捷链接 */
.cat-links { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-links a {
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px;
  border: 1px solid var(--line-strong); font-size: 13.5px; background: var(--surface);
}
.cat-links a:hover { border-color: var(--navy); text-decoration: none; }
.cat-links span { font-family: var(--mono); font-size: 10px; color: var(--muted); }
.cat-links b { font-family: var(--mono); font-size: 12px; color: var(--navy); }

/* 系列索引 */
.series-index { display: grid; grid-template-columns: 240px 1fr; gap: 28px; padding: 18px 0; border-top: 1px solid var(--line); }
.series-index:last-child { border-bottom: 1px solid var(--line); }
.series-index__cat { margin: 0; font-size: 1rem; }
.series-index__cat span { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-left: 6px; }
.series-index__links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.series-index__links a { font-size: 13.5px; color: var(--ink-2); }
.series-index__links em { font-family: var(--mono); font-style: normal; font-size: 11px; color: var(--muted); }

/* 系列链接列表 */
.series-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.series-link {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 14px; align-items: center;
  padding: 20px 22px; border: 1px solid var(--line); background: var(--surface); transition: .18s;
}
.series-link:hover { text-decoration: none; border-color: var(--navy); box-shadow: var(--shadow); }
.series-link__no { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.series-link h3 { margin: 0 0 4px; font-size: 1.06rem; }
.series-link p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.55; }
.series-link b { font-family: var(--mono); font-size: 20px; color: var(--navy); }
.series-links--inline { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }

/* ── 表格 ───────────────────────────────────────────────── */
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); background: var(--surface); }
.model-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.model-table thead th {
  text-align: left; font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); font-weight: 500;
  background: var(--tint); border-bottom: 1px solid var(--line-strong); padding: 11px 14px; white-space: nowrap;
}
.model-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.model-table tbody tr:last-child td { border-bottom: 0; }
.model-table tbody tr:hover { background: #fbfbf7; }
.model-table td a { font-weight: 600; color: var(--navy); }
.model-table td small { display: block; font-size: 11.5px; color: var(--muted); margin-top: 2px; font-weight: 400; }
.model-table .mono { font-size: 12.5px; white-space: nowrap; }
.cell-mat { max-width: 230px; font-size: 12.5px; color: var(--ink-2); }
.dl-link {
  display: inline-flex; align-items: center; min-height: 30px; padding: 3px 10px;
  border: 1px solid var(--line-strong); font-family: var(--mono); font-size: 11px; letter-spacing: .05em; white-space: nowrap;
}
.dl-link:hover { background: var(--navy); color: #fff; border-color: var(--navy); text-decoration: none; }
.table-title { margin: 54px 0 16px; font-size: 1.1rem; }
.model-group { margin-top: 38px; }
.model-group__head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-bottom: 12px; }
.model-group__head h3 { margin: 0; font-size: 1.1rem; }
.model-group__head h3 a { color: var(--navy); }
.model-group__head span { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* 工具栏 */
.toolbar {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px;
  padding: 16px; border: 1px solid var(--line); background: var(--surface); margin-bottom: 16px;
}
.toolbar__field { display: flex; flex-direction: column; gap: 5px; min-width: 180px; }
.toolbar__field label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.toolbar__field input, .toolbar__field select {
  height: 42px; border: 1px solid var(--line-strong); background: var(--paper); border-radius: 2px; padding: 0 12px; font-size: 14px;
}
.toolbar__field input { min-width: 260px; }
.toolbar__count { margin: 0 0 8px auto; font-size: 13px; color: var(--muted); white-space: nowrap; }
.toolbar__count b { font-family: var(--mono); font-size: 16px; color: var(--navy); }

/* ── 产品卡 ─────────────────────────────────────────────── */
.pcard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.pcard { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--surface); transition: .18s; }
.pcard:hover { text-decoration: none; border-color: var(--navy); box-shadow: var(--shadow); }
.pcard__media { position: relative; background: var(--tint); }
.pcard__media img { width: 100%; height: 200px; object-fit: contain; padding: 10px; mix-blend-mode: multiply; }
.pcard__media .badge { position: absolute; top: 10px; left: 10px; }
.pcard__body { padding: 15px 16px 17px; display: flex; flex-direction: column; flex: 1; }
.pcard__id { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--muted); }
.pcard h3 { margin: 5px 0 5px; font-size: .98rem; line-height: 1.4; }
.pcard p { margin: 0 0 12px; font-size: 12.3px; line-height: 1.55; color: var(--muted); flex: 1; }
.pcard__series { font-size: 11px; font-family: var(--mono); color: var(--navy); letter-spacing: .03em; }

/* ── 产品详情 ───────────────────────────────────────────── */
.product-head { padding: 34px 0 60px; }
.product-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 56px; align-items: start; }
.gallery__main { position: relative; margin: 0; background: var(--tint); border: 1px solid var(--line); }
.gallery__main img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 24px; mix-blend-mode: multiply; }
.gallery__main .badge { position: absolute; top: 14px; left: 14px; }
.gallery__thumbs { display: flex; gap: 8px; margin-top: 8px; }
.gallery__thumb { width: 78px; height: 66px; padding: 3px; border: 1px solid var(--line); background: var(--surface); }
.gallery__thumb img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.gallery__thumb.is-active { border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.gallery__note { margin: 10px 0 0; font-size: 11.5px; color: var(--muted); }
.product-info h1 { font-size: clamp(1.9rem, 3.2vw, 2.8rem); margin-bottom: 4px; }
.product-info__en { font-family: var(--mono); font-size: 12.5px; color: var(--muted); letter-spacing: .02em; margin-bottom: 14px; }
.product-info__tagline { font-size: 16.5px; color: var(--ink-2); border-left: 3px solid var(--lime); padding-left: 14px; margin-bottom: 24px; }
.key-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 26px; border-top: 1px solid var(--line-strong); }
.key-specs div { display: grid; grid-template-columns: 88px 1fr; gap: 8px; padding: 11px 8px 11px 0; border-bottom: 1px solid var(--line); min-width: 0; }
.key-specs dt { font-size: 12px; color: var(--muted); }
.key-specs dd { margin: 0; font-size: 13.5px; font-weight: 500; overflow-wrap: anywhere; }
.product-info__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.product-info__source { margin-top: 18px; font-size: 12px; color: var(--muted); }
.product-info__source a { color: var(--navy); text-decoration: underline; }

.product-body { display: grid; grid-template-columns: 1fr 340px; gap: 64px; }
.product-body__main h2 { margin-top: 44px; font-size: 1.4rem; }
.product-body__main h2:first-child { margin-top: 0; }
.product-body__main .lead { color: var(--ink-2); }
.feature-list { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
.feature-list li { display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14.8px; }
.feature-list li span { font-family: var(--mono); font-size: 10.5px; color: var(--navy); padding-top: 4px; }
.feature-list--en li { font-size: 13.5px; color: var(--ink-2); }
.spec-groups { border-top: 1px solid var(--line-strong); }
.spec-group { padding: 20px 0; border-bottom: 1px solid var(--line); }
.spec-group h3 { font-size: .98rem; margin-bottom: 10px; color: var(--navy); }
.spec-group dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 26px; }
.spec-group dl div { display: grid; grid-template-columns: 1fr 1.3fr; gap: 10px; padding: 7px 0; border-bottom: 1px dotted var(--line); }
.spec-group dt { font-size: 12.5px; color: var(--muted); }
.spec-group dd { margin: 0; font-size: 13.5px; overflow-wrap: anywhere; }
.spec-group dd small { color: var(--muted); font-size: 11px; }
.orig-text { margin-top: 26px; border: 1px solid var(--line); background: var(--surface); padding: 14px 18px; }
.orig-text summary { cursor: pointer; font-size: 13px; color: var(--muted); }
.orig-text p { margin: 12px 0 0; font-size: 13px; color: var(--ink-2); }

.product-aside { position: sticky; top: calc(var(--header-h) + 18px); display: grid; gap: 14px; align-self: start; }
.aside-box { border: 1px solid var(--line); background: var(--surface); padding: 22px; }
.aside-box h3 { font-size: 1rem; margin-bottom: 10px; }
.aside-box p { font-size: 13.5px; color: var(--ink-2); }
.aside-box--navy { background: var(--navy); color: rgba(255,255,255,.82); border-color: var(--navy); }
.aside-box--navy h3 { color: #fff; }
.aside-box--navy p { color: rgba(255,255,255,.7); }
.aside-box--navy .btn { margin-top: 8px; width: 100%; }
.aside-phone { display: block; margin-top: 12px; font-family: var(--mono); font-size: 15px; color: var(--lime); }
.aside-list { list-style: none; display: grid; gap: 10px; }
.aside-list a { display: block; font-size: 13.5px; font-weight: 500; color: var(--navy); }
.aside-list a span { display: block; font-size: 11px; color: var(--muted); font-weight: 400; }
.aside-list--plain li { font-size: 13.3px; color: var(--ink-2); padding-left: 14px; position: relative; line-height: 1.6; }
.aside-list--plain li::before { content: ""; position: absolute; left: 0; top: .7em; width: 5px; height: 5px; background: var(--lime); }

/* ── 应用详情 ───────────────────────────────────────────── */
.app-detail { max-width: 1080px; margin: 0 auto; }
.app-block { display: grid; grid-template-columns: 280px 1fr; gap: 56px; padding: 38px 0; border-top: 1px solid var(--line-strong); }
.app-block:first-child { border-top: 0; padding-top: 0; }
.app-block__no { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .1em; }
.app-block h2 { margin-top: 8px; font-size: 1.6rem; }
.check-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
.check-list li { position: relative; padding-left: 24px; font-size: 14.8px; color: var(--ink-2); }
.check-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 10px; height: 10px; background: var(--lime); }
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 38px 0; }
.ba { border: 1px solid var(--line); background: var(--surface); padding: 24px; }
.ba span { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: var(--muted); }
.ba h3 { margin: 8px 0 8px; font-size: 1.05rem; }
.ba p { margin: 0; font-size: 14px; color: var(--ink-2); }
.ba--after { background: var(--navy); color: rgba(255,255,255,.82); border-color: var(--navy); }
.ba--after span { color: var(--lime); }
.ba--after h3 { color: #fff; }
.ba--after p { color: rgba(255,255,255,.74); }
.pullquote {
  margin: 38px 0 0; padding: 26px 30px; border-left: 4px solid var(--lime); background: var(--tint);
  font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.5; font-weight: 500; color: var(--navy);
}
.step-list { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
.step-list > div { display: grid; grid-template-columns: 44px 150px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.step-list span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.step-list h3 { margin: 0; font-size: 1.05rem; }
.step-list p { margin: 0; font-size: 14px; color: var(--muted); }

/* ── 应用总览 ───────────────────────────────────────────── */
.app-list { display: grid; gap: 14px; }
.app-row { display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid var(--line); background: var(--surface); transition: .18s; }
.app-row:hover { text-decoration: none; border-color: var(--navy); box-shadow: var(--shadow); }
.app-row__media img { width: 100%; height: 100%; min-height: 250px; object-fit: cover; }
.app-row__body { padding: 30px 34px; display: grid; align-content: center; }
.app-row__no { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.app-row__en { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--navy); margin-top: 8px; }
.app-row h2 { font-size: 1.7rem; margin: 6px 0 10px; }
.app-row p { color: var(--muted); font-size: 14.5px; margin-bottom: 18px; }
.app-row__more { font-size: 13px; font-weight: 600; color: var(--navy); }

/* ── 资料下载 ───────────────────────────────────────────── */
.dl-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.dl-tabs a { padding: 9px 16px; border: 1px solid var(--line-strong); font-size: 13.5px; background: var(--surface); }
.dl-tabs a.is-active, .dl-tabs a:hover { background: var(--navy); color: #fff; border-color: var(--navy); text-decoration: none; }
.catalogue-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.catalogue { border: 1px solid var(--line); background: var(--surface); padding: 24px; display: flex; flex-direction: column; }
.catalogue__no { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.catalogue h3 { margin: 8px 0 2px; font-size: 1.1rem; }
.catalogue > p { font-size: 12.5px; color: var(--muted); }
.catalogue dl { margin: 10px 0 20px; border-top: 1px solid var(--line); }
.catalogue dl div { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 12.5px; }
.catalogue dt { color: var(--muted); }
.catalogue dd { margin: 0; }
.catalogue .btn { margin-top: auto; }
.catalogue__note { font-size: 11.5px; color: var(--muted); margin: 10px 0 0; }
.cert-list { border-top: 1px solid var(--line-strong); }
.cert { display: grid; grid-template-columns: 44px 1fr 100px 70px; gap: 14px; align-items: center; padding: 14px 4px; border-bottom: 1px solid var(--line); }
.cert:hover { background: var(--surface); text-decoration: none; }
.cert__no { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
.cert__title { font-size: 14.5px; font-weight: 500; }
.cert__lang { font-size: 12px; color: var(--muted); }
.cert__dl { font-family: var(--mono); font-size: 11px; color: var(--navy); border: 1px solid var(--line-strong); padding: 3px 8px; text-align: center; }

/* ── 知识 / 文章 ────────────────────────────────────────── */
.faq-wrap { max-width: 980px; }
.faq { border-top: 1px solid var(--line-strong); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary { cursor: pointer; list-style: none; padding: 18px 34px 18px 0; position: relative; font-weight: 600; font-size: 15.5px; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-family: var(--mono); font-size: 20px; color: var(--navy); }
.faq__item[open] summary::after { content: "−"; }
.faq__item p { margin: 0 0 20px; color: var(--ink-2); max-width: 62em; font-size: 15px; }
.article { padding: 34px 0 72px; }
.article__head { max-width: 900px; margin-bottom: 44px; }
.article__head h1 { font-size: clamp(2rem, 3.6vw, 3rem); }
.article__meta { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.article__layout { display: grid; grid-template-columns: minmax(0, 780px) 230px; gap: 64px; align-items: start; }
.article__body { max-width: 780px; }
.article__body h2 { font-size: 1.45rem; margin: 42px 0 12px; }
.article__body h2:first-child { margin-top: 0; }
.article__body p { font-size: 16.5px; line-height: 1.8; color: var(--ink-2); }
.article__note { margin-top: 38px; padding: 18px 20px; border: 1px solid var(--line); background: var(--tint); font-size: 13.5px; }
.article__note p { margin: 0; font-size: 13.5px; }
.article__toc { position: sticky; top: calc(var(--header-h) + 20px); padding-top: 6px; border-top: 2px solid var(--navy); }
.article__toc h3 { font-size: .9rem; font-family: var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 10px 0 8px; }
.article__toc a { display: block; font-size: 13.5px; color: var(--muted); padding: 3px 0; }

/* ── 关于 ───────────────────────────────────────────────── */
.about-story { display: grid; grid-template-columns: 300px 1fr; gap: 64px; }
.about-story__text p { max-width: 72em; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.fact { background: var(--tint); padding: 22px 20px; }
.fact dt { font-size: 12px; color: var(--muted); }
.fact dd { margin: 6px 0 0; font-family: var(--mono); font-size: 18px; color: var(--navy); line-height: 1.25; }
.timeline { list-style: none; border-top: 2px solid var(--navy); }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.timeline span { font-family: var(--mono); font-size: 18px; color: var(--navy); }
.timeline p { margin: 0; font-size: 15px; color: var(--ink-2); }
.awards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.award { border: 1px solid var(--line); background: var(--surface); padding: 22px; }
.award h3 { margin-bottom: 6px; }
.award p { margin: 0; font-size: 13.5px; color: var(--muted); }
.operator { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.operator__media img { width: 100%; height: 340px; object-fit: cover; border: 1px solid var(--line); }

/* ── 联系 ───────────────────────────────────────────────── */
.contact-cards { display: grid; gap: 8px; }
.contact-card { display: grid; border: 1px solid var(--line); background: var(--surface); padding: 14px 16px; }
.contact-card span { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.contact-card b { font-size: 15px; color: var(--navy); margin: 3px 0 2px; overflow-wrap: anywhere; }
.contact-card em { font-style: normal; font-size: 11.5px; color: var(--muted); }
.contact-layout { display: grid; grid-template-columns: 1fr 360px; gap: 56px; align-items: start; }
.contact-form-wrap { background: var(--surface); border: 1px solid var(--line); padding: 34px; }
.contact-form-wrap h2 { font-size: 1.6rem; }
.contact-form-wrap > p { color: var(--muted); font-size: 14px; }
.enquiry { display: grid; gap: 16px; margin-top: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.enquiry label { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--ink-2); }
.enquiry label em { color: var(--danger); font-style: normal; }
.enquiry input, .enquiry textarea {
  width: 100%; border: 1px solid var(--line-strong); background: var(--paper); border-radius: 2px;
  padding: 11px 13px; font-size: 15px; min-height: 46px;
}
.enquiry textarea { min-height: 130px; resize: vertical; }
.enquiry input:focus, .enquiry textarea:focus { outline: 2px solid var(--navy); background: #fff; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: grid; gap: 12px; }
.form-note { font-size: 12px; color: var(--muted); margin: 0; }
.form-status { min-height: 1.4em; margin: 0; font-size: 13.5px; }
.form-status.ok { color: #1c6b3a; }
.form-status.err { color: var(--danger); }
.contact-aside { display: grid; gap: 14px; position: sticky; top: calc(var(--header-h) + 18px); }
.contact-aside .aside-box small { display: block; margin-top: 10px; font-size: 11px; color: rgba(255,255,255,.55); }

/* ── 搜索 ───────────────────────────────────────────────── */
.search-page-form { display: flex; gap: 10px; max-width: 760px; }
.search-page-form input { flex: 1; height: 54px; border: 1px solid var(--line-strong); background: var(--surface); padding: 0 18px; font-size: 17px; border-radius: 2px; }
.search-page-form input:focus { outline: 2px solid var(--navy); }
.search-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.search-count { font-family: var(--mono); font-size: 12px; color: var(--muted); margin: 18px 0 0; }
.search-results { display: grid; gap: 10px; }
.sresult { display: grid; grid-template-columns: 78px 1fr auto; gap: 18px; align-items: center; border: 1px solid var(--line); background: var(--surface); padding: 12px 16px 12px 12px; }
.sresult:hover { text-decoration: none; border-color: var(--navy); }
.sresult__img { background: var(--tint); }
.sresult__img img { width: 78px; height: 66px; object-fit: contain; padding: 4px; mix-blend-mode: multiply; }
.sresult__type { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.sresult h3 { margin: 2px 0 3px; font-size: 1rem; }
.sresult p { margin: 0; font-size: 12.5px; color: var(--muted); }
.sresult__go { font-size: 12px; font-weight: 600; color: var(--navy); white-space: nowrap; }
.search-empty { padding: 40px 0; color: var(--muted); }
.noscript { margin-top: 30px; padding: 20px; border: 1px solid var(--line); background: var(--surface); }
.noscript ul { margin-top: 10px; padding-left: 18px; }

/* ── 404 / 文档 ─────────────────────────────────────────── */
.page-404 { padding: 80px 0 100px; }
.page-404 h1 { font-size: clamp(2rem, 4vw, 3.4rem); }
.page-404__actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 44px; }
.page-404__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; max-width: 900px; }
.page-404__grid a { display: flex; justify-content: space-between; padding: 12px 14px; border: 1px solid var(--line); background: var(--surface); font-size: 13.5px; }
.page-404__grid b { font-family: var(--mono); color: var(--navy); }
.doc { max-width: 820px; }
.doc h2 { font-size: 1.25rem; margin: 34px 0 10px; }
.doc p { color: var(--ink-2); }
.doc__contact { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 14px; }

/* ── CTA band / footer ──────────────────────────────────── */
.cta-band { background: var(--navy-deep); color: rgba(255,255,255,.82); padding: 56px 0; }
.cta-band__inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta-band .eyebrow { color: var(--lime); }
.cta-band h2 { color: #fff; margin-bottom: 8px; font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.cta-band p { margin: 0; max-width: 46em; color: rgba(255,255,255,.66); font-size: 14.5px; }
.cta-band__actions { display: flex; gap: 10px; flex: 0 0 auto; }

.footer { background: var(--navy); color: rgba(255,255,255,.7); padding: 62px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr .8fr .8fr 1.1fr; gap: 48px; }
.footer img { margin-bottom: 18px; }
.footer__brand p { font-size: 13.5px; line-height: 1.7; margin-bottom: 10px; }
.footer__operator { color: rgba(255,255,255,.66); font-size: 12px !important; }
.footer__copy { font-size: 11.5px !important; color: rgba(255,255,255,.6) !important; }
.footer__col { display: grid; align-content: start; gap: 8px; }
.footer__col h3 { color: #fff; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 8px; }
.footer__col a, .footer__col span { font-size: 13px; color: rgba(255,255,255,.68); }
.footer__col a:hover { color: var(--lime); text-decoration: none; }
.footer__col a span { font-family: var(--mono); font-size: 10px; color: rgba(255,255,255,.58); float: right; }
.footer__contact span { font-size: 12.5px; }
.footer__hq { color: rgba(255,255,255,.6) !important; font-size: 11.5px !important; margin-top: 4px; }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between;
  margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14);
  font-size: 11.5px; color: rgba(255,255,255,.62);
}
.footer__legal { display: flex; gap: 18px; }
.footer__legal a { color: rgba(255,255,255,.72); }

/* ── 响应式 ─────────────────────────────────────────────── */
@media (max-width: 1200px) {
  :root { --pad: 26px; }
  .nav { gap: 22px; }
  .logo img { width: 148px; }
  .hero__grid { gap: 40px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-card--wide { grid-column: span 2; }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 32px; }
}

@media (max-width: 1024px) {
  .nav { display: none; }
  .menu-btn { display: block; }
  body.nav-open .nav {
    display: flex; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px var(--pad) 18px;
    box-shadow: var(--shadow);
  }
  body.nav-open .nav__link { padding: 14px 0; border-bottom: 1px solid var(--line); }
  body.nav-open .nav__link.is-active::after { display: none; }
  .header__inner { gap: 18px; }
  .header__cta { display: none; }
  .hero { padding: 46px 0 50px; }
  .hero__grid { grid-template-columns: 1fr; gap: 38px; }
  .hero__lede { max-width: 44em; }
  .hero__visual { max-width: 720px; }
  .intro__grid, .download-band, .product-grid, .about-story, .operator { grid-template-columns: 1fr; gap: 32px; }
  .intro__head h2 { max-width: none; }
  .page-head__grid { grid-template-columns: 1fr; gap: 28px; }
  .page-head__stats { max-width: 480px; }
  .section { padding: 68px 0; }
  .section--tight { padding: 44px 0; }
  .cat-grid, .cat-grid--compact { grid-template-columns: repeat(2, 1fr); }
  .cat-card--wide { grid-column: span 2; }
  .series-grid { grid-template-columns: repeat(2, 1fr); }
  .pcard-grid { grid-template-columns: repeat(3, 1fr); }
  .pcard-grid--4 { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why { border-right: 0; margin-right: 0; padding-right: 0; }
  .why:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 24px; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .product-body { grid-template-columns: 1fr; gap: 40px; }
  .product-aside { position: static; grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-aside { position: static; grid-template-columns: 1fr 1fr 1fr; }
  .app-block { grid-template-columns: 220px 1fr; gap: 32px; }
  .article__layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .article__toc { position: static; order: -1; }
  .series-index { grid-template-columns: 180px 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .awards, .catalogue-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .step-list > div { grid-template-columns: 36px 130px 1fr; }
}

@media (max-width: 768px) {
  :root { --pad: 20px; --header-h: 66px; }
  body { font-size: 16px; }
  .topbar__tag { display: none; }
  .topbar__inner { justify-content: flex-end; min-height: 30px; }
  .logo img { width: 138px; }
  .logo__cn { display: none; }
  .header__inner { gap: 10px; }
  .header__actions { margin-left: auto; gap: 8px; }
  .hero h1 { font-size: clamp(2.2rem, 9vw, 3.4rem); }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .hero__stats div { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
  .hero__stats div:nth-child(2n) { border-right: 0; }
  .hero__frame { grid-template-columns: 1fr; }
  .hero__main img { aspect-ratio: 16 / 10; }
  .hero__stack { grid-template-columns: 1fr 1fr; }
  .hero__stack img { aspect-ratio: 1 / 1; }
  .hero__caption { text-align: left; }
  .section { padding: 54px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 26px; }
  .cat-grid, .cat-grid--compact, .series-grid, .pcard-grid, .pcard-grid--4, .article-grid, .catalogue-grid, .awards { grid-template-columns: 1fr 1fr; }
  .cat-card--wide { grid-column: span 2; }
  .pcard__media img { height: 170px; }
  .app-grid { grid-template-columns: 1fr 1fr; }
  .app-row { grid-template-columns: 1fr; }
  .app-row__media img { min-height: 200px; max-height: 240px; }
  .series-links { grid-template-columns: 1fr; }
  .series-index { grid-template-columns: 1fr; gap: 10px; }
  .intro__points { gap: 20px 24px; }
  .download-band__list { margin-top: 8px; }
  .contact-band { flex-direction: column; align-items: flex-start; gap: 22px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { flex-wrap: wrap; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px 24px; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; gap: 10px; }
  .before-after { grid-template-columns: 1fr; }
  .app-block { grid-template-columns: 1fr; gap: 16px; }
  .app-block h2 { margin-top: 0; }
  .product-grid { gap: 28px; }
  .key-specs { grid-template-columns: 1fr; }
  .spec-group dl { grid-template-columns: 1fr; }
  .product-aside { grid-template-columns: 1fr; }
  .contact-aside { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 22px; }
  .form-row { grid-template-columns: 1fr; }
  .toolbar__field { min-width: 100%; }
  .toolbar__field input { min-width: 100%; }
  .toolbar__count { margin-left: 0; }
  .search-page-form { flex-direction: column; }
  .page-404__grid { grid-template-columns: 1fr 1fr; }
  .timeline li { grid-template-columns: 86px 1fr; gap: 14px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .operator__media img { height: 260px; }
  .sresult { grid-template-columns: 64px 1fr; }
  .sresult__img img { width: 64px; height: 56px; }
  .sresult__go { display: none; }
  .cert { grid-template-columns: 34px 1fr auto; }
  .cert__lang { display: none; }
  .pullquote { padding: 20px 22px; }
  .step-list > div { grid-template-columns: 32px 1fr; }
  .step-list p { grid-column: 2; }
}

@media (max-width: 480px) {
  :root { --pad: 16px; }
  .cat-grid, .cat-grid--compact, .series-grid, .pcard-grid, .pcard-grid--4, .article-grid, .catalogue-grid, .awards, .app-grid, .page-404__grid, .facts { grid-template-columns: 1fr; }
  .cat-card--wide { grid-column: span 1; }
  .hero__stack { grid-template-columns: 1fr 1fr; }
  .hero__actions .btn { width: 100%; }
  .btn--lg { width: 100%; }
  .product-info__actions .btn { width: 100%; }
  .cat-links a { flex: 1 1 100%; }
  .footer__grid { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 2px; }
  .series-link { grid-template-columns: 30px 1fr auto; padding: 16px; }
  .topbar__links { gap: 14px; font-size: 11px; }
}

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