:root {
  --ink: #00224e;
  --blue: #003378;
  --blue-mid: #315f8f;
  --signal: #6d98bd;
  --ice: #edf2f6;
  --mist: #f6f8fa;
  --line: #cad4de;
  --gray: #667786;
  --text: #122535;
  --paper: #fff;
  --shadow: 0 16px 40px rgba(0, 34, 78, .10);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, 88vw); margin-inline: auto; }
.section { padding: 96px 0; }
.section-kicker,
.eyebrow {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  line-height: 1.5;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 2px;
  margin: 0 13px 3px 0;
  background: var(--signal);
}
.section-title {
  margin: 16px 0 0;
  color: var(--ink);
  font-size: clamp(38px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
.section-title .light { font-weight: 300; }
.section-lead { margin: 0; color: var(--gray); font-size: 15px; line-height: 1.9; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 23px;
  border: 1px solid transparent;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { background: var(--ink); transform: translateY(-2px); }
.button-light { background: #fff; color: var(--ink); }
.button-light:hover { background: var(--ice); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--signal);
  color: inherit;
  font-size: 13px;
  font-weight: 800;
}
.text-link::after { content: "→"; }

.utility {
  min-height: 32px;
  display: flex;
  align-items: center;
  background: var(--ink);
  color: #dce7ef;
  font-size: 12px;
  letter-spacing: .05em;
}
.utility .shell { display: flex; align-items: center; justify-content: space-between; }
.utility-contact { color: #fff; font-weight: 700; }
.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 78px;
  border-bottom: 1px solid #dbe2e8;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 5px 18px rgba(0, 34, 78, .08);
  backdrop-filter: blur(12px);
}
.header-inner { height: 100%; display: flex; align-items: center; }
.brand {
  width: 250px;
  height: 58px;
  display: grid;
  place-items: center;
  padding: 8px 40px;
  background: var(--blue);
}
.brand img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
}
.site-nav { display: flex; gap: 24px; margin-left: auto; }
.site-nav a {
  position: relative;
  padding: 28px 0 25px;
  color: #334c61;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
}
.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--blue); }
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.language { margin-left: 24px; padding-left: 20px; border-left: 1px solid var(--line); color: var(--blue); font-size: 12px; font-weight: 800; }
.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-open .menu-toggle span { opacity: 0; }
.nav-open .menu-toggle::before { transform: translateY(7px) rotate(45deg); }
.nav-open .menu-toggle::after { transform: translateY(-7px) rotate(-45deg); }

.home-hero {
  min-height: 560px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}
.home-hero-image { position: absolute; inset: 0; }
.home-hero-image img { width: 64%; height: 100%; margin-left: auto; object-fit: cover; object-position: center 48%; }
.home-hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #00224e 0%, rgba(0,34,78,.98) 35%, rgba(0,34,78,.72) 54%, rgba(0,34,78,.12) 78%);
}
.home-hero-copy { width: 54%; min-height: 560px; position: relative; z-index: 2; padding: 68px 4vw 54px 6vw; }
.home-hero .eyebrow { color: #a9bccb; }
.home-hero h1 {
  margin: 29px 0 24px;
  font-size: clamp(44px, 4.1vw, 58px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
.home-hero h1 span { display: block; color: #b8c6d1; font-weight: 300; }
.home-hero p { max-width: 490px; margin: 0; color: #d5e0e7; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 31px; }
.hero-stat {
  position: absolute;
  z-index: 3;
  right: 3vw;
  bottom: 24px;
  width: 275px;
  padding: 18px 22px;
  border-top: 5px solid var(--signal);
  background: #fff;
  color: var(--ink);
}
.hero-stat-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.hero-stat b { font-size: 21px; line-height: 1.2; }
.hero-stat span { color: var(--gray); font-size: 12px; }
.hero-stat-divider { height: 1px; margin: 11px 0; background: var(--line); }

.about-grid { display: grid; grid-template-columns: 31% 1fr; gap: 74px; }
.about-copy { display: grid; grid-template-columns: 1.15fr 1fr; gap: 52px; padding-top: 23px; }
.about-copy .lead { margin: 0; color: #163b5c; font-size: 24px; line-height: 1.5; }
.about-copy p:last-child { margin: 0; color: var(--gray); font-size: 15px; line-height: 1.9; }

.featured-product { padding: 78px 0 94px; background: linear-gradient(90deg, #edf1f4 0, #edf1f4 52%, #fff 52%); }
.featured-grid { display: grid; grid-template-columns: 58% 42%; align-items: center; }
.featured-image { height: 540px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.featured-image img { width: 100%; height: 100%; object-fit: cover; }
.image-label { position: absolute; left: 0; top: 0; padding: 11px 15px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.featured-copy { padding: 20px 0 20px 62px; }
.status { display: flex; align-items: center; gap: 10px; color: var(--blue-mid); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.status::before { content: ""; width: 9px; height: 9px; background: var(--signal); }
.featured-copy h2 { margin: 22px 0; color: var(--ink); font-size: clamp(40px, 4vw, 52px); line-height: 1.06; letter-spacing: -.035em; }
.featured-copy h2 small { display: block; margin-bottom: 12px; color: #6a7782; font-size: 13px; letter-spacing: .13em; }
.featured-copy p { margin: 0; color: var(--gray); font-size: 15px; line-height: 1.9; }
.fact-grid { display: grid; grid-template-columns: 1fr 1fr; margin: 24px 0 27px; border-top: 1px solid var(--line); }
.fact-grid span { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.fact-grid span:nth-child(even) { padding-left: 19px; border-left: 1px solid var(--line); }

.development { padding: 88px 0 94px; border-block: 1px solid #dfe6eb; background: #f3f6f8; }
.section-head { display: grid; grid-template-columns: .9fr 1fr; gap: 70px; align-items: end; }
.section-head .section-lead { max-width: 550px; justify-self: end; }
.development-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-top: 42px; }
.development-card { display: block; overflow: hidden; border: 1px solid #cbd5de; border-top: 4px solid var(--blue); background: #fff; color: inherit; text-decoration: none; box-shadow: 0 10px 26px rgba(0,34,78,.07); transition: transform .2s ease, box-shadow .2s ease; }
.development-card:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0,34,78,.13); }
.development-card:focus-visible { outline: 3px solid #70a8e8; outline-offset: 4px; }
.development-card:nth-child(2) { border-top-color: #647d91; }
.development-card:nth-child(3) { border-top-color: #4e6f91; }
.development-thumb { height: 215px; position: relative; overflow: hidden; background: #dfe6eb; }
.development-thumb img { width: 100%; height: 100%; object-fit: cover; }
.development-card:first-child img { object-position: center 52%; }
.development-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(0,26,60,.54)); }
.thumb-label { position: absolute; z-index: 1; left: 14px; bottom: 12px; padding: 5px 8px; background: rgba(0,34,78,.9); color: #fff; font-size: 12px; font-weight: 800; }
.development-body { padding: 20px; }
.phase { display: inline-flex; padding: 5px 9px; background: var(--ice); color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .05em; }
.development-card h3 { margin: 16px 0 8px; color: var(--ink); font-size: 21px; line-height: 1.4; }
.development-card p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.72; }
.development-link { display: flex; align-items: center; justify-content: space-between; margin-top: 17px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--blue); font-size: 13px; font-weight: 800; }
.development-link::after { content: "→"; font-size: 16px; transition: transform .2s ease; }
.development-card:hover .development-link::after { transform: translateX(3px); }

.manufacturing { padding: 96px 0; background: var(--ink); color: #fff; }
.manufacturing-grid { display: grid; grid-template-columns: 38% 1fr; gap: 70px; align-items: center; }
.manufacturing .section-kicker { color: #9fb8ca; }
.manufacturing h2 { margin: 18px 0 24px; color: #fff; font-size: clamp(40px, 4vw, 50px); line-height: 1.08; letter-spacing: -.035em; }
.manufacturing p { margin: 0; color: #cbd8e1; font-size: 15px; line-height: 1.9; }
.manufacturing-visuals { height: 530px; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1.18fr .82fr; gap: 12px; }
.manufacturing-visual { position: relative; min-width: 0; margin: 0; overflow: hidden; background: #061f41; }
.manufacturing-visual--engineering { grid-column: 1 / -1; background: radial-gradient(circle at 68% 48%, rgba(47,91,137,.38), transparent 46%), #061f41; }
.manufacturing-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.manufacturing-visual:hover img { transform: scale(1.018); }
.manufacturing-visual--engineering img { padding: 15px 22px 21px; object-fit: contain; filter: sepia(.12) saturate(.72) hue-rotate(166deg) brightness(1.22); opacity: .93; }
.manufacturing-visual--workshop img { object-position: center 44%; }
.manufacturing-visual--panel img { object-position: center 51%; }
.manufacturing-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 54%, rgba(0,21,48,.78)); pointer-events: none; }
.manufacturing-visual figcaption { position: absolute; z-index: 1; left: 18px; bottom: 15px; color: #fff; font-size: 13px; font-weight: 800; letter-spacing: .02em; }
.manufacturing-visual figcaption span { display: block; margin-bottom: 4px; color: #a9c0d2; font-size: 12px; letter-spacing: .09em; }
.capability-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 42px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.2); }
.capability-card { min-height: 230px; padding: 28px; background: #082b57; }
.capability-label { display: block; min-height: 28px; color: #91adc3; font-size: 12px; font-weight: 800; letter-spacing: .09em; line-height: 1.45; }
.capability-card h3 { margin: 15px 0 18px; color: #fff; font-size: 22px; line-height: 1.28; }
.capability-card ul { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.capability-card li { padding: 6px 9px; border: 1px solid rgba(255,255,255,.16); color: #d2dee7; font-size: 12px; line-height: 1.35; }
.capability-context { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: rgba(255,255,255,.2); }
.product-directions,
.application-scenarios { display: grid; grid-template-columns: 108px 1fr; gap: 22px; align-items: center; padding: 22px 28px; background: #061f41; }
.capability-context span { color: #91adc3; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.capability-context p { color: #fff; font-size: 13px; font-weight: 700; line-height: 1.7; }

.knowledge { padding: 96px 0; background: #f2f5f7; }
.article-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 20px; margin-top: 42px; }
.article-card { min-height: 265px; display: flex; flex-direction: column; padding: 25px; border-top: 5px solid #b9c8d4; background: #fff; }
.article-card:first-child { border-color: var(--signal); background: var(--blue); color: #fff; }
.article-type { color: #718493; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.article-card:first-child .article-type { color: #cbd9e2; }
.article-card h3 { margin: auto 0 0; font-size: 21px; line-height: 1.45; }
.article-card:first-child h3 { font-size: 26px; }
.article-note { margin-top: 15px; color: var(--blue); font-size: 12px; font-weight: 800; }
.article-card:first-child .article-note { color: #fff; }
.article-card-featured { transition: transform .2s ease, box-shadow .2s ease; }
.article-card-featured:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(0,34,78,.18); }
.article-card-featured:focus-visible { outline: 3px solid #70a8e8; outline-offset: 4px; }
.article-card-featured .article-note { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.24); padding-top: 14px; }
.article-card-featured .article-note b { font-size: 18px; transition: transform .2s ease; }
.article-card-featured:hover .article-note b { transform: translateX(4px); }

.knowledge-article { background: #fff; }
.article-hero { overflow: hidden; padding: 54px 0 0; background: var(--ink); color: #fff; }
.article-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 72px; align-items: end; margin-top: 42px; }
.article-hero-copy { padding-bottom: 64px; }
.article-category { color: #a8bfd0; font-size: 12px; font-weight: 800; letter-spacing: .13em; line-height: 1.5; }
.article-hero h1 { max-width: 690px; margin: 22px 0 26px; font-size: clamp(48px, 5.2vw, 72px); line-height: 1.04; letter-spacing: -.045em; }
.article-hero h1 span { display: block; color: #aebdca; font-weight: 300; }
.article-hero-copy > p { max-width: 610px; margin: 0; color: #d2dee7; font-size: 17px; line-height: 1.9; }
.article-meta { display: flex; flex-wrap: wrap; gap: 0; margin-top: 32px; color: #9fb4c4; font-size: 12px; line-height: 1.6; }
.article-meta span,
.article-meta time { padding-right: 18px; }
.article-meta span + span,
.article-meta time { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.22); }
.article-hero-media { height: 470px; position: relative; margin: 0; overflow: hidden; border-top: 5px solid var(--signal); background: #071c37; }
.article-hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(0,26,60,.48)); }
.article-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.article-hero-media figcaption { position: absolute; z-index: 1; right: 18px; bottom: 15px; color: #fff; font-size: 12px; font-weight: 700; }

.article-layout { display: grid; grid-template-columns: 210px minmax(0, 760px); gap: 86px; justify-content: center; padding-top: 82px; padding-bottom: 104px; }
.article-toc { position: relative; }
.article-toc-inner { position: sticky; top: 112px; display: flex; flex-direction: column; padding: 21px 0; border-block: 1px solid var(--line); }
.article-toc span { margin-bottom: 12px; color: var(--ink); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.article-toc a { padding: 7px 0; color: #647685; font-size: 12px; line-height: 1.55; }
.article-toc a:hover { color: var(--blue); }
.article-toc a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.article-content { min-width: 0; }
.article-intro { margin: 0 0 70px; padding-left: 28px; border-left: 5px solid var(--signal); color: #173b5c; font-size: 21px; font-weight: 500; line-height: 1.85; }
.article-section { scroll-margin-top: 112px; padding: 0 0 74px; }
.article-section + .article-section { padding-top: 74px; border-top: 1px solid var(--line); }
.article-section-label { display: block; margin-bottom: 17px; color: var(--blue-mid); font-size: 12px; font-weight: 800; letter-spacing: .12em; line-height: 1.5; }
.article-section h2 { margin: 0 0 30px; color: var(--ink); font-size: clamp(34px, 4vw, 46px); line-height: 1.16; letter-spacing: -.035em; }
.article-section > p { margin: 0 0 22px; color: #3e5262; font-size: 16px; line-height: 2; }
.article-section > p:last-child { margin-bottom: 0; }

.panel-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 40px; border: 1px solid var(--line); background: var(--line); }
.panel-comparison-card { min-height: 235px; padding: 28px; background: var(--mist); }
.panel-comparison-card.is-primary { background: var(--blue); color: #fff; }
.panel-comparison-card > span { color: #708391; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.panel-comparison-card.is-primary > span { color: #aac0d0; }
.panel-comparison-card h3 { margin: 42px 0 13px; color: var(--ink); font-size: 22px; line-height: 1.4; }
.panel-comparison-card.is-primary h3 { color: #fff; }
.panel-comparison-card p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.8; }
.panel-comparison-card.is-primary p { color: #d2dee7; }

.article-figure { margin: 8px 0 76px; }
.article-figure img { width: 100%; max-height: 540px; object-fit: cover; background: var(--ice); }
.article-figure-wide img { height: 520px; object-position: center 43%; }
.article-figure figcaption { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--gray); font-size: 12px; line-height: 1.7; }
.article-figure figcaption b { color: var(--ink); }
.article-figure-evidence { margin: 38px 0 42px; }
.article-figure-evidence img { display: block; height: auto; max-height: none; }
.article-figure-video {
  max-width: 640px;
  margin-top: 38px;
  margin-inline: auto;
}
.article-figure-video video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #071c37; object-fit: cover; }

.article-standard-note { margin-top: 38px; padding: 29px 32px; border-left: 5px solid var(--signal); background: var(--ice); }
.article-standard-note span { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.article-standard-note p { margin: 12px 0 0; color: #25455f; font-size: 15px; line-height: 1.9; }
.article-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 38px; border: 1px solid var(--line); background: var(--line); }
.article-detail-card { min-height: 218px; padding: 28px; background: var(--mist); }
.article-detail-card.is-wide { grid-column: 1 / -1; min-height: 0; background: var(--ink); }
.article-detail-card > span { color: var(--blue-mid); font-size: 12px; font-weight: 800; letter-spacing: .08em; line-height: 1.5; }
.article-detail-card.is-wide > span { color: #9fb8ca; }
.article-detail-card h3 { margin: 32px 0 11px; color: var(--ink); font-size: 20px; line-height: 1.45; }
.article-detail-card.is-wide h3 { margin-top: 23px; color: #fff; }
.article-detail-card p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.85; }
.article-detail-card.is-wide p { max-width: 630px; color: #d0dce5; }
.article-marker-note { display: grid; grid-template-columns: 112px 1fr; gap: 30px; align-items: center; margin-top: 38px; padding: 28px 32px; border: 1px solid var(--line); background: var(--ice); }
.article-marker-note > span { color: var(--blue); font-size: 72px; font-weight: 300; line-height: 1; text-align: center; }
.article-marker-note b { display: block; margin-bottom: 9px; color: var(--ink); font-size: 16px; line-height: 1.5; }
.article-marker-note p { margin: 0; color: #496070; font-size: 14px; line-height: 1.85; }
.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 38px; border: 1px solid var(--line); background: var(--line); }
.experience-grid article { min-height: 225px; padding: 27px; background: #fff; }
.experience-grid b { color: var(--blue-mid); font-size: 12px; letter-spacing: .08em; }
.experience-grid h3 { margin: 28px 0 10px; color: var(--ink); font-size: 20px; line-height: 1.45; }
.experience-grid p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.8; }
.article-process { margin: 36px 0 46px; padding: 0; border-top: 1px solid var(--line); list-style: none; counter-reset: article-process; }
.article-process li { display: grid; grid-template-columns: 118px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); counter-increment: article-process; }
.article-process span { color: var(--ink); font-size: 13px; font-weight: 800; }
.article-process span::before { content: "0" counter(article-process) "  "; color: var(--signal); }
.article-process p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.8; }
.nvis-boundary-card { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 38px 0; background: rgba(255,255,255,.18); }
.nvis-boundary-card > div { min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; padding: 27px; background: var(--ink); color: #fff; }
.nvis-boundary-card span { color: #94afc3; font-size: 12px; font-weight: 800; letter-spacing: .06em; line-height: 1.6; }
.nvis-boundary-card strong { margin-top: 28px; font-size: 18px; line-height: 1.55; }
.article-conclusion blockquote { margin: 36px 0 0; padding: 32px 36px; border: 0; background: var(--blue); color: #fff; font-size: 21px; font-weight: 500; line-height: 1.75; }

.article-sources { padding: 29px 0; border-block: 1px solid var(--line); }
.article-sources h2 { margin: 0 0 18px; color: var(--ink); font-size: 16px; }
.article-sources a { display: grid; grid-template-columns: 170px 1fr; gap: 20px; padding: 9px 0; color: #31526b; font-size: 12px; line-height: 1.6; }
.article-sources a:hover { color: var(--blue); }
.article-sources a span { color: #7b8c99; font-weight: 700; }
.article-disclaimer { margin-top: 28px; padding: 22px 24px; background: #eef2f5; color: #667886; font-size: 12px; line-height: 1.8; }
.article-next { padding: 62px 0; background: var(--blue); color: #fff; }
.article-next-grid { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; }
.article-next span { color: #aac0d0; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.article-next h2 { margin: 10px 0 0; font-size: 30px; line-height: 1.35; }
.article-next-grid > div:last-child { display: flex; align-items: center; gap: 24px; }
.article-next-button { display: inline-flex; padding: 13px 18px; border: 1px solid #fff; background: #fff; color: var(--blue); font-size: 13px; font-weight: 800; }

.community { padding: 72px 0; }
.community-grid { display: grid; grid-template-columns: 34% 1fr; gap: 70px; align-items: center; }
.community h2 { margin: 14px 0; color: var(--ink); font-size: 40px; line-height: 1.12; }
.community p { margin: 0; color: var(--gray); font-size: 14px; }
.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.channel { min-height: 62px; display: flex; align-items: center; gap: 11px; padding: 12px 14px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 13px; font-weight: 800; }
.channel-icon { width: 32px; height: 32px; display: grid; flex: 0 0 32px; place-items: center; background: var(--ice); color: var(--blue); }
.channel-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.channel-meta { margin-left: auto; color: #7b8b98; font-size: 12px; font-weight: 500; }
.channel.is-disabled { cursor: default; color: #526575; }
.channel:not(.is-disabled):hover { border-color: var(--blue); background: var(--mist); }

.site-footer { padding: 54px 0 24px; background: #001a3c; color: #b7c5d0; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 58px; }
.footer-logo { width: min(270px, 100%); height: auto; aspect-ratio: 859 / 208; object-fit: contain; }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; }
.footer-col h2 { margin: 0 0 10px; color: #fff; font-size: 12px; letter-spacing: .1em; }
.footer-col a,
.footer-col p { margin: 0; color: #b7c5d0; font-size: 12px; line-height: 1.95; }
.footer-col a:hover { color: #fff; }
.legal { display: flex; justify-content: space-between; gap: 30px; margin-top: 38px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.15); font-size: 12px; line-height: 1.7; }

.page-hero { padding: 78px 0 82px; background: var(--ink); color: #fff; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; color: #667d8f; font-size: 12px; line-height: 1.6; }
.breadcrumbs a { color: #31526a; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.breadcrumbs b { color: #8194a3; font-weight: 500; }
.breadcrumbs span { border-bottom: 2px solid currentColor; color: var(--ink); font-weight: 800; }
.breadcrumbs--dark { color: #91aabd; }
.breadcrumbs--dark a { color: #d8e6ef; }
.breadcrumbs--dark a:hover { color: #fff; }
.breadcrumbs--dark a:focus-visible { outline-color: #fff; }
.breadcrumbs--dark b { color: #829daf; }
.breadcrumbs--dark span { color: #fff; }
.page-hero-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 70px; align-items: end; margin-top: 42px; }
.page-hero h1 { margin: 0; font-size: clamp(48px, 6vw, 72px); line-height: 1.02; letter-spacing: -.045em; }
.page-hero h1 span { display: block; color: #aebdca; font-weight: 300; }
.page-hero p { margin: 0; color: #d1dce4; font-size: 16px; line-height: 1.9; }
.catalog { padding: 82px 0 100px; background: var(--mist); }
.catalog-intro { display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: end; }
.catalog-count { justify-self: end; min-width: 190px; padding: 18px 22px; border-left: 4px solid var(--blue); background: #fff; color: var(--gray); font-size: 13px; }
.catalog-count b { display: block; color: var(--ink); font-size: 24px; }
.catalog-count span { display: block; margin-top: 2px; }
.catalog-filters { display: grid; gap: 1px; margin-top: 42px; border: 1px solid var(--line); background: var(--line); }
.catalog-filter { display: flex; align-items: center; gap: 24px; padding: 15px 18px; background: #fff; }
.catalog-filter-label { flex: 0 0 88px; color: var(--ink); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.catalog-filter-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.catalog-filter button { min-height: 36px; padding: 7px 14px; border: 1px solid #c7d2dc; background: #fff; color: #4f6678; font-size: 13px; font-weight: 800; cursor: pointer; }
.catalog-filter button:hover { border-color: #8299ab; color: var(--ink); }
.catalog-filter button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.catalog-filter button.is-active { border-color: var(--blue); background: var(--blue); color: #fff; }
.preview-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 42px; padding: 17px 18px 17px 22px; border: 1px solid var(--line); background: #fff; }
.preview-toolbar p { margin: 3px 0 0; color: var(--gray); font-size: 13px; }
.preview-label { color: var(--ink); font-size: 13px; font-weight: 800; letter-spacing: .05em; }
.view-toggle { display: flex; flex: 0 0 auto; padding: 4px; background: var(--ice); }
.view-toggle button { min-height: 39px; padding: 8px 15px; border: 0; background: transparent; color: #5f7180; font-size: 13px; font-weight: 800; cursor: pointer; }
.view-toggle button.is-active { background: var(--blue); color: #fff; box-shadow: 0 5px 14px rgba(0,51,120,.2); }
.category-filter { display: flex; align-items: center; gap: 24px; margin-top: 20px; padding: 15px 18px; border: 1px solid var(--line); background: #fff; }
.category-filter-label { flex: 0 0 auto; color: var(--ink); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.category-filter-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.category-filter button { min-height: 36px; padding: 7px 14px; border: 1px solid #c7d2dc; background: #fff; color: #5f7180; font-size: 13px; font-weight: 800; cursor: pointer; }
.category-filter button:hover { border-color: #8299ab; color: var(--ink); }
.category-filter button.is-active { border-color: var(--blue); background: var(--blue); color: #fff; }
.product-panel { margin-top: 24px; }
.mock-notice { display: flex; align-items: center; gap: 17px; padding: 14px 17px; border-left: 4px solid var(--signal); background: #e6edf3; color: #536878; font-size: 13px; }
.mock-notice strong { flex: 0 0 auto; color: var(--ink); }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; margin-top: 20px; }
.product-card { overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.product-card-link { height: 100%; display: flex; flex-direction: column; color: inherit; }
.product-card-link:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(0,34,78,.14); }
.product-card:hover .product-card-action { border-color: var(--blue); color: var(--blue); }
.product-card-image { height: 390px; position: relative; overflow: hidden; background: var(--ice); }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card-image img.is-prototype-cover { object-fit: contain; background: #fff; }
.product-badge { position: absolute; top: 18px; left: 18px; padding: 7px 10px; background: rgba(0,51,120,.93); color: #fff; font-size: 12px; font-weight: 800; }
.product-badge.is-mock { background: rgba(74,96,115,.94); }
.product-badge.is-development { background: rgba(65,91,113,.94); }
.product-card[hidden] { display: none !important; }
.catalog-empty { margin: 28px 0 0; padding: 28px; border: 1px solid var(--line); background: #fff; color: var(--gray); font-size: 14px; text-align: center; }
.product-card-body { padding: 28px; }
.product-card-meta { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.product-card h2 { margin: 13px 0 11px; color: var(--ink); font-size: 31px; line-height: 1.18; }
.product-card p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.8; }
.product-card .text-link { margin-top: 22px; color: var(--blue); }
.product-card-action { display: flex; align-items: center; justify-content: space-between; margin-top: 22px; padding-bottom: 5px; border-bottom: 2px solid #aebdca; color: #687b8b; font-size: 13px; font-weight: 800; }
.product-card-action b { font-size: 16px; }
.product-grid--multi .product-card { display: flex; flex-direction: column; }
.product-grid--multi .product-card-image { height: 330px; }
.product-grid--multi .product-card-body { display: flex; flex: 1; flex-direction: column; }
.product-grid--multi .product-card-body .text-link,
.product-grid--multi .product-card-body .product-card-action { margin-top: auto; padding-top: 20px; }
.product-card:only-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1.08fr .92fr; }
.product-card:only-child .product-card-image { height: 430px; }
.product-card:only-child .product-card-body { display: flex; flex-direction: column; justify-content: center; padding: 46px; }

.product-hero { padding: 56px 0 72px; background: var(--ice); }
.product-hero-grid { display: grid; grid-template-columns: 58% 42%; align-items: center; }
.product-hero-image { height: 525px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.product-hero-image img { width: 100%; height: 100%; object-fit: cover; }
.product-hero-copy { padding-left: 58px; }
.product-hero-meta { display: flex; align-items: center; gap: 14px; }
.product-release { min-height: 28px; display: inline-flex; align-items: center; gap: 8px; padding-left: 14px; border-left: 1px solid var(--line); color: var(--gray); font-size: 12px; }
.product-release b { color: var(--blue); font-size: 12px; letter-spacing: .06em; }
.product-hero-copy h1 { margin: 18px 0 20px; color: var(--ink); font-size: clamp(47px, 5vw, 64px); line-height: 1.02; letter-spacing: -.045em; }
.product-hero-copy h1 small { display: block; margin-bottom: 12px; color: #667786; font-size: 13px; letter-spacing: .13em; }
.product-hero-copy > p { margin: 0; color: var(--gray); font-size: 15px; line-height: 1.9; }
.product-price { margin: -4px 0 22px; padding: 17px 20px; border-left: 4px solid var(--blue); background: #eef4f8; }
.product-price-label { display: block; margin-bottom: 10px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.product-price-options { display: grid; gap: 8px; }
.product-price-option { padding: 12px 14px; border: 1px solid #d7e2ea; background: #fff; }
.product-price-option > div { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.product-price-option b { color: var(--ink); font-size: 13px; line-height: 1.45; }
.product-price-option strong { flex: 0 0 auto; color: var(--blue); font-size: 23px; line-height: 1; }
.product-price-option p { margin: 5px 0 0; color: var(--gray); font-size: 12px; line-height: 1.6; }
.product-price-notes { display: grid; gap: 3px; margin-top: 10px; }
.product-price-notes p { margin: 0; color: var(--gray); font-size: 12px; line-height: 1.7; }
.product-price-notes .product-lead-time { color: var(--ink); font-weight: 700; }
.product-quick-facts { display: grid; grid-template-columns: 1fr 1fr; margin: 25px 0; border-top: 1px solid var(--line); }
.quick-fact { padding: 13px 0; border-bottom: 1px solid var(--line); }
.quick-fact:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
.quick-fact b { display: block; color: var(--ink); font-size: 13px; }
.quick-fact span { color: var(--gray); font-size: 12px; }
.product-consult > b { display: block; margin-bottom: 11px; color: var(--ink); font-size: 12px; letter-spacing: .04em; }
.product-contact-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.product-contact-actions .button { min-width: 144px; }
.product-contact-actions .is-secondary { border-color: var(--blue); background: transparent; color: var(--blue); }
.product-contact-actions .is-secondary:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.product-purchase { padding: 58px 0 66px; border-top: 1px solid var(--line); background: #fff; }
.product-purchase-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 42px; align-items: start; }
.product-purchase .product-price { margin: 0; }
.product-purchase .product-consult { padding: 24px; background: var(--ice); }
.detail-section { padding: 88px 0; }
.detail-grid { display: grid; grid-template-columns: 35% 1fr; gap: 90px; }
.detail-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; }
.detail-copy h3 { margin: 0 0 10px; color: var(--ink); font-size: 21px; }
.detail-copy p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.9; }
.ded-software { padding: 82px 0; background: #f4f7fa; }
.ded-software-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 78px; align-items: center; }
.ded-software-grid > div:first-child > p { max-width: 580px; margin: 24px 0 0; color: var(--gray); font-size: 14px; line-height: 1.9; }
.software-facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 4px solid var(--blue); background: #fff; box-shadow: var(--shadow); }
.software-facts > div { min-height: 190px; padding: 28px 24px; }
.software-facts > div + div { border-left: 1px solid var(--line); }
.software-facts b { display: block; color: var(--blue); font-size: 12px; letter-spacing: .08em; }
.software-facts span { display: block; margin-top: 18px; color: var(--ink); font-size: 13px; line-height: 1.8; }
.detail-band { padding: 82px 0; background: var(--ink); color: #fff; }
.detail-band .section-title { color: #fff; }
.detail-band .section-kicker { color: #9fb8ca; }
.detail-band-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: center; }
.process-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.24); }
.process-item { padding: 18px 15px 18px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.process-item:nth-child(even) { padding-left: 20px; border-left: 1px solid rgba(255,255,255,.18); }
.process-item b { display: block; color: #fff; font-size: 14px; }
.process-item span { color: #b8c7d2; font-size: 12px; }
.product-gallery { padding: 92px 0 84px; background: #fff; }
.product-gallery-heading { display: grid; grid-template-columns: 1fr .72fr; gap: 72px; align-items: end; }
.product-gallery-heading > p { max-width: 560px; margin: 0 0 6px; color: var(--gray); font-size: 15px; line-height: 1.9; }
.product-gallery-stage { height: min(58vw, 720px); position: relative; margin-top: 42px; overflow: hidden; background: #071625; box-shadow: var(--shadow); }
.product-gallery-open { width: 100%; height: 100%; position: relative; display: block; padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.product-gallery-main-image { width: 100%; height: 100%; display: block; object-fit: contain; background: #071625; }
.product-gallery-expand { position: absolute; right: 18px; bottom: 18px; padding: 10px 13px; background: rgba(0,34,78,.9); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .04em; }
.product-gallery-nav { width: 52px; height: 52px; position: absolute; z-index: 2; top: 50%; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.7); background: rgba(0,34,78,.82); color: #fff; font-size: 24px; cursor: pointer; transform: translateY(-50%); transition: background .2s ease, transform .2s ease; }
.product-gallery-nav:hover { background: var(--blue); transform: translateY(-50%) scale(1.04); }
.product-gallery-nav.is-prev { left: 22px; }
.product-gallery-nav.is-next { right: 22px; }
.product-gallery-meta { display: flex; align-items: flex-start; justify-content: space-between; gap: 36px; min-height: 92px; padding: 24px 0 22px; border-bottom: 1px solid var(--line); }
.product-gallery-meta h3 { margin: 0 0 7px; color: var(--ink); font-size: 22px; }
.product-gallery-meta p { max-width: 760px; margin: 0; color: var(--gray); font-size: 14px; line-height: 1.8; }
.product-gallery-count { flex: 0 0 auto; color: #7d8d9a; font-size: 14px; font-weight: 700; }
.product-gallery-count b { color: var(--blue); font-size: 24px; }
.product-gallery-thumbnails { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.product-gallery-thumbnails button { aspect-ratio: 4 / 3; position: relative; overflow: hidden; padding: 0; border: 3px solid transparent; background: var(--ice); cursor: pointer; opacity: .68; transition: border-color .2s ease, opacity .2s ease, transform .2s ease; }
.product-gallery-thumbnails button:hover { opacity: 1; transform: translateY(-2px); }
.product-gallery-thumbnails button[aria-current="true"] { border-color: var(--blue); opacity: 1; }
.product-gallery-thumbnails img { width: 100%; height: 100%; display: block; object-fit: cover; }
.product-gallery-open:focus-visible,
.product-gallery-nav:focus-visible,
.product-gallery-thumbnails button:focus-visible,
.product-gallery-lightbox button:focus-visible { outline: 3px solid #70a8e8; outline-offset: 3px; }
.product-gallery-lightbox { width: 100vw; max-width: none; height: 100vh; max-height: none; margin: 0; padding: 0; border: 0; overflow: hidden; background: rgba(3,12,22,.98); color: #fff; }
.product-gallery-lightbox::backdrop { background: rgba(3,12,22,.96); }
.product-gallery-lightbox[open] { display: grid; grid-template-columns: 92px minmax(0, 1fr) 92px; grid-template-rows: 72px minmax(0, 1fr); }
.product-gallery-lightbox-toolbar { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding: 0 28px; border-bottom: 1px solid rgba(255,255,255,.16); color: #c1d0da; font-size: 13px; }
.product-gallery-lightbox-toolbar button { padding: 10px 0 10px 18px; border: 0; background: transparent; color: #fff; font-size: 13px; font-weight: 800; cursor: pointer; }
.product-gallery-lightbox-toolbar button b { margin-left: 8px; font-size: 24px; font-weight: 400; vertical-align: -2px; }
.product-gallery-lightbox figure { min-width: 0; min-height: 0; grid-column: 2; grid-row: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; margin: 0; padding: 28px 0 22px; }
.product-gallery-lightbox figure img { max-width: 100%; min-height: 0; max-height: calc(100vh - 168px); display: block; object-fit: contain; }
.product-gallery-lightbox figcaption { width: 100%; display: flex; align-items: baseline; justify-content: center; gap: 16px; padding-top: 18px; color: #aebfcb; font-size: 13px; text-align: center; }
.product-gallery-lightbox figcaption strong { color: #fff; font-size: 15px; }
.product-gallery-lightbox-nav { width: 52px; height: 52px; place-self: center; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.45); background: rgba(0,51,120,.58); color: #fff; font-size: 25px; cursor: pointer; }
.product-gallery-lightbox-nav.is-prev { grid-column: 1; grid-row: 2; }
.product-gallery-lightbox-nav.is-next { grid-column: 3; grid-row: 2; }
.product-demonstration { padding: 88px 0 92px; background: #071625; color: #fff; }
.product-demonstration .section-title { color: #fff; }
.product-demonstration .section-kicker { color: #8aaac1; }
.product-demonstration .section-title .light { color: #9eb3c2; }
.product-demonstration-heading { display: grid; grid-template-columns: 1fr .72fr; gap: 72px; align-items: end; }
.product-demonstration-heading p { max-width: 560px; margin: 0; color: #c1ced8; font-size: 15px; line-height: 1.9; }
.product-demonstration-heading small { display: block; max-width: 560px; margin-top: 12px; color: #849aaa; font-size: 12px; line-height: 1.75; }
.product-demonstration-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 42px; }
.product-demonstration-grid figure { overflow: hidden; margin: 0; border-top: 4px solid #2f6baa; background: #0d2236; box-shadow: 0 18px 48px rgba(0,0,0,.28); }
.product-demonstration-grid video { width: 100%; aspect-ratio: 16 / 9; display: block; background: #02070c; object-fit: contain; }
.product-demonstration-grid figcaption { min-height: 112px; padding: 22px 24px 24px; }
.product-demonstration-grid figcaption b { display: block; color: #fff; font-size: 18px; }
.product-demonstration-grid figcaption span { display: block; margin-top: 8px; color: #aebfcb; font-size: 13px; line-height: 1.75; }
.product-installation { padding: 86px 0 90px; background: #eaf0f5; }
.product-installation-heading { display: grid; grid-template-columns: 1fr .72fr; gap: 72px; align-items: end; }
.product-installation-heading > p { max-width: 560px; margin: 0 0 6px; color: var(--gray); font-size: 15px; line-height: 1.9; }
.product-installation-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 24px; margin-top: 40px; }
.installation-method-card,
.package-card { min-height: 440px; padding: 42px; }
.installation-method-card { display: flex; flex-direction: column; background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.package-card { border-top: 5px solid var(--blue); background: #fff; box-shadow: var(--shadow); }
.installation-card-label { color: #83a7c1; font-size: 12px; font-weight: 800; letter-spacing: .11em; }
.package-card .installation-card-label { color: var(--blue); }
.installation-method-card h3,
.package-card h3 { margin: 18px 0 16px; font-size: 29px; line-height: 1.2; }
.installation-method-card h3 { color: #fff; }
.package-card h3 { color: var(--ink); }
.installation-method-card > p { margin: 0; color: #bdcad4; font-size: 14px; line-height: 1.9; }
.installation-connection { margin-top: auto; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.2); }
.installation-connection b { display: block; margin-bottom: 8px; color: #fff; font-size: 14px; }
.installation-connection span { color: #bdcad4; font-size: 13px; line-height: 1.75; }
.installation-support { margin-top: 22px; padding: 19px 20px; border-left: 4px solid #83a7c1; background: rgba(255,255,255,.07); }
.installation-support > b { display: block; color: #fff; font-size: 13px; }
.installation-support > span { display: block; margin-top: 6px; color: #bdcad4; font-size: 12px; line-height: 1.7; }
.installation-support > div,
.product-form-actions { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 13px; }
.installation-support a,
.product-form-actions a { padding-bottom: 3px; border-bottom: 1px solid currentColor; color: #fff; font-size: 12px; font-weight: 800; }
.package-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 8px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.package-list li { min-height: 70px; position: relative; display: flex; align-items: center; padding: 15px 16px 15px 27px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 13px; font-weight: 700; }
.package-list li:nth-child(even) { border-left: 1px solid var(--line); }
.package-list li::before { content: ""; width: 8px; height: 8px; position: absolute; left: 4px; background: var(--blue); }
.optional-accessory { display: grid; grid-template-columns: auto 1fr; gap: 5px 18px; align-items: center; margin-top: 24px; padding: 20px 22px; border-left: 4px solid var(--blue); background: var(--ice); }
.optional-accessory > span { grid-row: 1 / 3; padding: 7px 9px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 800; }
.optional-accessory strong { color: var(--ink); font-size: 17px; }
.optional-accessory p { margin: 0; color: var(--gray); font-size: 12px; line-height: 1.65; }
.installation-drawing { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); overflow: hidden; margin: 0; border-top: 5px solid var(--blue); background: #fff; box-shadow: var(--shadow); }
.installation-drawing img { width: 100%; height: 100%; min-height: 320px; padding: 28px 34px; object-fit: contain; background: #fff; }
.installation-drawing figcaption { display: flex; flex-direction: column; justify-content: center; padding: 34px 38px; border-left: 1px solid var(--line); background: #f7f9fb; }
.installation-drawing figcaption > span { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .11em; }
.installation-drawing figcaption strong { margin-top: 17px; color: var(--ink); font-size: 24px; line-height: 1.3; }
.installation-drawing figcaption p { margin: 13px 0 0; color: var(--gray); font-size: 13px; line-height: 1.8; }
.product-form-note { grid-column: 1 / -1; display: grid; grid-template-columns: 210px minmax(0, 1fr) auto; gap: 14px 38px; align-items: center; padding: 34px 38px; border-left: 5px solid var(--blue); background: var(--ink); box-shadow: var(--shadow); }
.product-form-note .installation-card-label { grid-column: 1; grid-row: 1; color: #9fb8ca; }
.product-form-note h3 { grid-column: 1; grid-row: 2; margin: 0; color: #fff; font-size: 24px; line-height: 1.35; }
.product-form-note p { grid-column: 2; grid-row: 1 / 3; margin: 0; color: #bdcad4; font-size: 13px; line-height: 1.85; }
.product-form-actions { grid-column: 3; grid-row: 1 / 3; min-width: 116px; margin-top: 0; }
.usage-note { padding: 72px 0; background: #f3f6f8; }
.usage-card { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: center; padding: 38px 42px; border-left: 6px solid var(--blue); background: #fff; box-shadow: var(--shadow); }
.usage-card h2 { margin: 0 0 10px; color: var(--ink); font-size: 28px; }
.usage-card p { max-width: 740px; margin: 0; color: var(--gray); font-size: 14px; line-height: 1.85; }

.research-center { padding: 82px 0 96px; background: var(--mist); }
.research-intro { display: grid; grid-template-columns: 1fr .8fr; gap: 72px; align-items: end; }
.research-intro-note { margin: 0; color: var(--gray); font-size: 15px; line-height: 1.9; }
.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-top: 42px; }
.research-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-top: 4px solid var(--blue); background: #fff; box-shadow: var(--shadow); }
.research-card-image { height: 250px; position: relative; overflow: hidden; background: var(--ice); }
.research-card-image img { width: 100%; height: 100%; object-fit: cover; }
.research-card:first-child .research-card-image img { object-position: center 52%; }
.research-card-body { display: flex; flex: 1; flex-direction: column; padding: 23px; }
.research-card-meta { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .07em; }
.research-card h2 { margin: 14px 0 10px; color: var(--ink); font-size: 24px; line-height: 1.32; }
.research-card p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.78; }
.research-card-link { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 20px; color: var(--blue); font-size: 13px; font-weight: 800; }
.research-card-link::after { content: "→"; font-size: 17px; }
.research-principles { padding: 76px 0; background: var(--ink); color: #fff; }
.research-principles-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: center; }
.research-principles .section-kicker { color: #9fb8ca; }
.research-principles .section-title { color: #fff; }
.principle-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.24); }
.principle-item { padding: 22px 18px 18px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.principle-item + .principle-item { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.18); }
.principle-item b { display: block; color: #fff; font-size: 15px; }
.principle-item span { display: block; margin-top: 7px; color: #b8c7d2; font-size: 12px; line-height: 1.7; }

.project-detail-hero { padding: 54px 0 72px; background: var(--ice); }
.project-detail-grid { display: grid; grid-template-columns: 56% 44%; align-items: center; }
.project-detail-image { height: 515px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.project-detail-image img { width: 100%; height: 100%; object-fit: cover; }
.project-detail-image.is-prototype-cover { background: #fff; }
.project-detail-image.is-prototype-cover img { object-fit: contain; }
.project-detail-image.is-sensitive-hero { background: var(--ink); }
.project-detail-image.is-sensitive-hero img { filter: grayscale(1) contrast(.72); opacity: .2; transform: scale(1.04); }
.project-detail-image.is-sensitive-hero::before { content: "FFI / PROTOTYPE"; position: absolute; top: 50%; left: 50%; z-index: 1; color: rgba(255,255,255,.9); font-size: clamp(28px, 4vw, 52px); font-weight: 800; letter-spacing: .1em; white-space: nowrap; transform: translate(-50%, -50%); }
.project-detail-image.is-sensitive-hero::after { content: "脱敏效果占位 · 正式发布前更换审核图片"; position: absolute; right: 20px; bottom: 20px; left: 20px; z-index: 2; padding: 12px 14px; background: rgba(0,34,78,.9); color: #fff; font-size: 12px; font-weight: 800; line-height: 1.6; }
.project-detail-copy { padding-left: 56px; }
.project-detail-copy h1 { margin: 18px 0; color: var(--ink); font-size: clamp(44px, 4.5vw, 62px); line-height: 1.04; letter-spacing: -.04em; }
.project-detail-copy h1 small { display: block; margin-bottom: 11px; color: #667786; font-size: 13px; letter-spacing: .12em; }
.project-detail-copy > p { margin: 0; color: var(--gray); font-size: 15px; line-height: 1.88; }
.product-progress { padding: 66px 0 70px; background: #f5f7f9; }
.product-progress-heading { display: flex; align-items: end; justify-content: space-between; gap: 34px; margin-bottom: 38px; }
.product-progress-heading h2 { margin: 9px 0 0; color: var(--ink); font-size: clamp(29px, 3vw, 40px); line-height: 1.15; }
.product-progress-track { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.product-progress-track li { position: relative; min-width: 0; padding: 30px 10px 0 0; color: #81909c; font-size: 13px; font-weight: 800; white-space: nowrap; }
.product-progress-track li::before { content: ""; position: absolute; z-index: 2; top: 0; left: 0; width: 16px; height: 16px; border: 3px solid #b5c0c9; border-radius: 50%; background: #f5f7f9; }
.product-progress-track li::after { content: ""; position: absolute; top: 7px; right: 0; left: 16px; height: 2px; background: #cbd3d9; }
.product-progress-track li:last-child::after { display: none; }
.product-progress-track .is-complete { color: #294f6e; }
.product-progress-track .is-complete::before { border-color: var(--blue); background: var(--blue); }
.product-progress-track .is-complete::after { background: var(--blue); }
.product-progress-track .is-current { color: var(--ink); }
.product-progress-track .is-current::before { width: 20px; height: 20px; top: -2px; border: 5px solid #fff; background: var(--blue); box-shadow: 0 0 0 3px var(--blue); }
.product-progress-track .is-current span { display: inline-flex; align-items: center; gap: 8px; }
.product-progress-track .is-current span::after { content: "当前"; padding: 3px 7px; background: var(--blue); color: #fff; font-size: 12px; line-height: 1.2; }
.project-status-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.project-status-chip { padding: 7px 10px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 800; }
.project-update { padding: 7px 10px; border: 1px solid var(--line); color: #607382; font-size: 12px; }
.demo-disclosure { padding: 12px 0; border-bottom: 1px solid #bfd0df; background: #dfe9f2; color: #233e55; font-size: 13px; line-height: 1.7; }
.demo-disclosure strong { margin-right: 10px; color: var(--blue); }
.design-goals { padding: 86px 0; background: var(--ink); color: #fff; }
.design-goals-grid { display: grid; grid-template-columns: .66fr 1.34fr; gap: 78px; align-items: start; }
.design-goals-copy { position: sticky; top: 128px; }
.design-goals .section-kicker { color: #b7cede; }
.design-goals .section-title { color: #fff; font-size: clamp(34px, 3.3vw, 44px); }
.design-goals .section-title .light { color: #a9bfd0; }
.design-goals-copy > p { max-width: 430px; margin: 23px 0 0; color: #d5e1e9; font-size: 15px; line-height: 1.9; }
.design-goal-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.design-goal-card { min-height: 225px; padding: 27px; border-top: 3px solid #7fa4c0; background: #0b315f; }
.design-goal-status { display: inline-block; padding: 6px 9px; background: rgba(255,255,255,.1); color: #c7d8e4; font-size: 12px; font-weight: 800; letter-spacing: .07em; }
.design-goal-status.is-confirmed { background: #dce8f1; color: #003378; }
.design-goal-card h3 { margin: 25px 0 11px; color: #fff; font-size: 20px; line-height: 1.38; }
.design-goal-card p { margin: 0; color: #d5e1e9; font-size: 14px; line-height: 1.82; }
.design-goal-photo { margin: 24px -27px -27px; background: #061d38; }
.design-goal-photo img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.design-goal-photo figcaption { padding: 10px 13px; color: #c8d7e2; font-size: 12px; line-height: 1.6; }
.development-update { padding: 78px 0; background: #fff; }
.development-update-grid { display: grid; grid-template-columns: .46fr 1.54fr; gap: 76px; align-items: start; }
.development-update-date { padding-top: 5px; }
.development-update-date time { display: block; margin-top: 13px; color: var(--ink); font-size: clamp(40px, 4.4vw, 58px); font-weight: 300; line-height: 1; letter-spacing: -.04em; }
.development-update-date span { display: block; margin-top: 11px; color: #526a7e; font-size: 13px; }
.development-update-copy h2 { margin: 0; color: var(--ink); font-size: clamp(32px, 3.2vw, 44px); line-height: 1.18; }
.development-update-copy > p { max-width: 760px; margin: 18px 0 0; color: #43596c; font-size: 16px; line-height: 1.9; }
.development-update-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 30px; }
.development-update-point { padding: 21px; border-top: 3px solid var(--blue); background: var(--ice); }
.development-update-point strong { display: block; margin-bottom: 7px; color: var(--ink); font-size: 14px; }
.development-update-point span { color: #43596c; font-size: 13px; line-height: 1.72; }
.development-timeline { padding: 88px 0; background: #f2f5f7; }
.development-timeline-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: end; margin-bottom: 44px; }
.development-timeline-heading .section-title { font-size: clamp(36px, 3.5vw, 48px); }
.development-timeline-heading p { margin: 0; color: #43596c; font-size: 15px; line-height: 1.9; }
.development-timeline-list { position: relative; }
.development-timeline-list::before { content: ""; position: absolute; top: 0; bottom: 0; left: 128px; width: 1px; background: #b7c6d3; }
.development-entry { display: grid; grid-template-columns: 128px 1fr; position: relative; padding-bottom: 18px; }
.development-entry time { padding: 25px 24px 0 0; color: #385b78; font-size: 13px; font-weight: 800; text-align: right; }
.development-entry-content { position: relative; padding: 24px 28px; border: 1px solid #d3dde5; background: #fff; }
.development-entry-content::before { content: ""; position: absolute; top: 29px; left: -6px; width: 11px; height: 11px; border: 3px solid #f2f5f7; border-radius: 50%; background: var(--blue); transform: translateX(-50%); }
.development-entry-meta { color: #527088; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.development-entry h3 { margin: 8px 0 9px; color: var(--ink); font-size: 21px; }
.development-entry p { margin: 0; color: #43596c; font-size: 14px; line-height: 1.82; }
.development-entry-media { display: grid; gap: 12px; margin: 20px 0; }
.development-entry-media[data-media-count="1"] { grid-template-columns: 1fr; }
.development-entry-media[data-media-count="2"],
.development-entry-media[data-media-count="3"],
.development-entry-media[data-media-count="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.development-entry-media figure { margin: 0; overflow: hidden; background: #e6edf2; }
.development-entry-media img { display: block; width: 100%; max-height: 480px; object-fit: cover; }
.development-entry-media figcaption { padding: 10px 12px; color: #43596c; font-size: 12px; line-height: 1.65; }
.development-entry-copy { display: grid; gap: 10px; }
.development-entry-copy p { margin: 0; }
.development-journal { padding: 94px 0; background: #f2f5f7; }
.development-journal-shell { max-width: 1140px; }
.development-journal-heading { display: grid; grid-template-columns: 240px 1fr; gap: 72px; align-items: end; margin-bottom: 52px; }
.development-journal-index span { display: block; margin-top: 14px; color: #526a7e; font-size: 13px; }
.development-journal-date time { display: block; margin-top: 13px; color: var(--ink); font-size: clamp(40px, 4.4vw, 58px); font-weight: 300; line-height: 1; letter-spacing: -.04em; }
.development-journal-date span { display: block; margin-top: 11px; color: #526a7e; font-size: 13px; }
.development-journal-heading .section-title { font-size: clamp(38px, 4vw, 54px); }
.development-journal-heading p { max-width: 760px; margin: 20px 0 0; color: #43596c; font-size: 16px; line-height: 1.9; }
.development-journal-entry { padding-top: 0; }
.development-journal-entry + .development-journal-entry { margin-top: 104px; padding-top: 70px; border-top: 1px solid #b9c8d3; }
.development-journal-entry-header { display: grid; grid-template-columns: 240px 1fr; gap: 72px; align-items: end; margin-bottom: 38px; }
.development-journal-entry-date time { display: block; color: var(--ink); font-size: clamp(32px, 3.3vw, 44px); font-weight: 300; line-height: 1; letter-spacing: -.04em; }
.development-journal-entry-date span { display: block; margin-top: 10px; color: #526a7e; font-size: 12px; }
.development-journal-entry-header h3 { margin: 0; color: var(--ink); font-size: clamp(32px, 3.5vw, 46px); line-height: 1.2; }
.development-journal-copy { max-width: 790px; margin: 0 auto; }
.development-journal-copy p { margin: 0 0 18px; color: #334d62; font-size: 16px; line-height: 2; }
.development-journal-media-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; width: min(100%, 900px); margin: 34px auto 38px; }
.development-journal-media-grid.is-1 { width: min(100%, 720px); grid-template-columns: 1fr; }
.development-journal-frame { position: relative; display: block; height: 280px; overflow: hidden; background: linear-gradient(135deg, #07182b, #123355); cursor: zoom-in; }
.development-journal-frame img { display: block; width: 100%; height: 100%; object-fit: cover; }
.development-journal-frame > span { position: absolute; right: 12px; bottom: 12px; display: grid; width: 34px; height: 34px; place-items: center; background: rgba(0,34,78,.88); color: #fff; font-size: 17px; }
.development-journal-media-grid.is-1 .development-journal-frame { height: min(48vw, 460px); }
.development-journal-lead { margin: 34px 0 36px; background: #dbe4ea; }
.development-journal-lead img { display: block; width: 100%; max-height: 760px; object-fit: cover; }
.development-journal-single { margin: 34px 0 36px; background: #dbe4ea; }
.development-journal-single-crop { height: 570px; overflow: hidden; }
.development-journal-single-crop img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.34); transform-origin: 50% 54%; }
.development-journal figcaption { padding: 11px 13px; background: #e5ebef; color: #43596c; font-size: 12px; line-height: 1.65; }
.development-journal-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 34px 0 38px; }
.development-journal-media { margin: 0; background: #dbe4ea; }
.development-journal-video { width: min(100%, 420px); margin: 34px auto 38px; background: #dbe4ea; }
.development-journal-video video { display: block; width: 100%; max-height: 680px; background: #07182b; object-fit: contain; }
.development-journal-crop { height: 420px; overflow: hidden; }
.development-journal-crop img { width: 100%; height: 100%; object-fit: cover; }
.development-journal-media.is-detail-top img { transform: scale(1.72); transform-origin: 46% 48%; }
.development-journal-media.is-detail-face img { transform: scale(1.78); transform-origin: 52% 63%; }
.development-journal-media.is-detail-wide img { transform: scale(1.3); transform-origin: 48% 54%; }
.development-journal-media.is-detail-lower img { transform: scale(1.68); transform-origin: 51% 72%; }
.development-journal-mock { margin-top: 28px !important; padding: 16px 18px; border-left: 3px solid #7fa4c0; background: #e5ebef; font-size: 13px !important; line-height: 1.8 !important; }
.development-journal-mock strong { color: var(--ink); }
.development-note { display: grid; grid-template-columns: 190px 1fr; gap: 40px; max-width: 940px; margin: 64px auto 0; padding-top: 24px; border-top: 1px solid #aebfcb; }
.development-note strong { color: var(--ink); font-size: 14px; }
.development-note p { margin: 0; color: #43596c; font-size: 13px; line-height: 1.85; }
.development-board { padding: 82px 0; background: var(--ink); color: #fff; }
.development-board-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: 78px; align-items: start; }
.development-board .section-kicker { color: #b7cede; }
.development-board .section-title { color: #fff; }
.development-board-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.22); }
.development-board-card { min-height: 250px; padding: 27px; background: #0b315f; }
.development-board-card span { color: #b7cede; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.development-board-card h3 { margin: 22px 0 11px; color: #fff; font-size: 19px; }
.development-board-card p { margin: 0; color: #d5e1e9; font-size: 14px; line-height: 1.82; }
.project-intent { padding: 88px 0; background: #fff; }
.project-intent-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 82px; align-items: start; }
.project-intent-copy p { max-width: 440px; margin: 22px 0 0; color: #43596c; font-size: 16px; line-height: 1.9; }
.intent-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.intent-card { min-height: 168px; padding: 25px; border-top: 4px solid var(--blue); background: var(--ice); }
.intent-card span { color: #536f86; font-size: 12px; font-weight: 800; letter-spacing: .09em; }
.intent-card h3 { margin: 18px 0 8px; color: var(--ink); font-size: 19px; line-height: 1.35; }
.intent-card p { margin: 0; color: #43596c; font-size: 14px; line-height: 1.75; }
.prototype-notes { padding: 88px 0; background: #f2f5f7; }
.prototype-notes-heading { display: grid; grid-template-columns: 1fr .9fr; gap: 70px; align-items: end; margin-bottom: 38px; }
.prototype-notes-heading p { margin: 0; color: #43596c; font-size: 15px; line-height: 1.9; }
.prototype-note { min-height: 380px; display: grid; grid-template-columns: 58% 42%; margin-top: 24px; overflow: hidden; border: 1px solid #d3dde5; background: #fff; box-shadow: 0 14px 34px rgba(0,34,78,.07); }
.prototype-note.is-reversed { grid-template-columns: 42% 58%; }
.prototype-note.is-reversed .prototype-note-image { order: 2; }
.prototype-note-image { min-height: 380px; position: relative; overflow: hidden; background: #dce4ea; }
.prototype-note-image img { width: 100%; height: 100%; object-fit: cover; }
.prototype-note-image.is-sensitive { background: var(--ink); }
.prototype-note-image.is-sensitive img { filter: grayscale(1) contrast(.72); opacity: .2; transform: scale(1.04); }
.prototype-note-image.is-sensitive::before { content: "FFI / PROTOTYPE"; position: absolute; top: 50%; left: 50%; z-index: 1; color: rgba(255,255,255,.9); font-size: clamp(24px, 3vw, 40px); font-weight: 800; letter-spacing: .1em; white-space: nowrap; transform: translate(-50%, -50%); }
.prototype-note-image.is-sensitive::after { content: "脱敏效果占位 · 正式发布前更换审核图片"; position: absolute; right: 18px; bottom: 18px; left: 18px; padding: 12px 14px; background: rgba(0,34,78,.88); color: #fff; font-size: 12px; font-weight: 800; line-height: 1.6; }
.prototype-note-copy { display: flex; flex-direction: column; justify-content: center; padding: 38px 42px; }
.prototype-note-index { color: #476984; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.prototype-note-copy h3 { margin: 10px 0 20px; color: var(--ink); font-size: 28px; line-height: 1.28; }
.prototype-fact { padding: 11px 0; border-top: 1px solid #d8e1e8; color: #43596c; font-size: 14px; line-height: 1.75; }
.prototype-fact strong { display: block; margin-bottom: 2px; color: #173650; font-size: 13px; }
.story-focus { padding: 88px 0; background: #fff; }
.story-focus-grid { display: grid; grid-template-columns: .68fr 1.32fr; gap: 82px; }
.story-focus-copy p { margin: 22px 0 0; color: #43596c; font-size: 15px; line-height: 1.9; }
.story-focus-list { display: grid; gap: 12px; }
.story-focus-card { display: grid; grid-template-columns: 180px 1fr; gap: 26px; padding: 24px 26px; border-top: 3px solid var(--blue); background: var(--ice); }
.story-focus-card h3 { margin: 0; color: var(--ink); font-size: 20px; line-height: 1.45; }
.story-focus-card p { margin: 0; color: #43596c; font-size: 14px; line-height: 1.8; }
.manufacturing-context { padding: 82px 0; background: var(--ink); color: #fff; }
.manufacturing-context-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 78px; align-items: start; }
.manufacturing-context .section-kicker { color: #b7cede; }
.manufacturing-context .section-title { color: #fff; }
.manufacturing-context-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.22); }
.manufacturing-context-card { min-height: 220px; padding: 26px; background: #0b315f; }
.manufacturing-context-card span { color: #b7cede; font-size: 12px; font-weight: 800; }
.manufacturing-context-card h3 { margin: 20px 0 9px; color: #fff; font-size: 19px; }
.manufacturing-context-card p { margin: 0; color: #d5e1e9; font-size: 14px; line-height: 1.78; }
.project-focus { padding: 84px 0; }
.project-focus-grid { display: grid; grid-template-columns: 34% 1fr; gap: 86px; }
.focus-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.focus-card { min-height: 210px; display: flex; flex-direction: column; padding: 23px; border-top: 4px solid var(--blue); background: #f1f5f8; }
.focus-card span { color: #718493; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.focus-card h2 { margin: auto 0 0; color: var(--ink); font-size: 22px; line-height: 1.35; }
.project-boundary { padding: 72px 0; background: var(--ink); color: #fff; }
.project-boundary-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: center; }
.project-boundary .section-kicker { color: #9fb8ca; }
.project-boundary h2 { margin: 13px 0 0; color: #fff; font-size: 36px; line-height: 1.18; }
.project-boundary p { margin: 0; color: #c5d3dd; font-size: 15px; line-height: 1.9; }
.project-contact { padding: 68px 0; background: #f3f6f8; }
.project-contact-card { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; padding: 34px 38px; border-left: 6px solid var(--blue); background: #fff; box-shadow: var(--shadow); }
.project-contact-card h2 { margin: 0 0 8px; color: var(--ink); font-size: 27px; }
.project-contact-card p { margin: 0; color: var(--gray); font-size: 14px; }
.project-contact-note { display: block; margin-top: 9px; color: #667a8b; font-size: 12px; }
.back-link { display: inline-flex; margin-top: 18px; color: var(--blue); font-size: 13px; font-weight: 800; }
.back-link::before { content: "←"; margin-right: 9px; }

@media (max-width: 1040px) {
  .site-nav { gap: 16px; }
  .site-nav a { font-size: 12px; }
  .language { display: none; }
}

@media (max-width: 880px) {
  html { scroll-padding-top: 70px; }
  .shell { width: 88vw; }
  .section { padding: 70px 0; }
  .utility { min-height: 40px; padding: 5px 0; font-size: 12px; }
  .utility-contact { display: none; }
  .site-header { height: 70px; }
  .brand { width: 210px; height: 48px; padding: 7px 32px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    z-index: 49;
    inset: 70px 0 auto;
    max-height: calc(100vh - 70px);
    display: grid;
    gap: 0;
    margin: 0;
    padding: 18px 6vw 28px;
    overflow: auto;
    border-top: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 20px 40px rgba(0,34,78,.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-open .site-nav { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 15px 0; border-bottom: 1px solid #e2e8ed; font-size: 15px; }
  .site-nav a::after { display: none; }

  .home-hero { min-height: 548px; }
  .home-hero-image img { width: 100%; margin-left: 0; object-position: 58% 48%; }
  .home-hero-image::after { background: linear-gradient(90deg, rgba(0,34,78,.97) 0%, rgba(0,34,78,.9) 48%, rgba(0,34,78,.56) 100%); }
  .home-hero-copy { width: 100%; min-height: 548px; padding: 50px 6vw 42px; }
  .home-hero h1 { max-width: 520px; margin: 24px 0 20px; font-size: 39px; line-height: 1.13; }
  .home-hero p { max-width: 340px; font-size: 15px; line-height: 1.78; }
  .hero-actions { gap: 20px; margin-top: 25px; }
  .hero-stat { display: none; }

  .about-grid,
  .about-copy,
  .featured-grid,
  .section-head,
  .manufacturing-grid,
  .community-grid,
  .page-hero-grid,
  .catalog-intro,
  .product-hero-grid,
  .detail-grid,
  .detail-band-grid,
  .research-intro,
  .research-principles-grid,
  .project-detail-grid,
  .project-focus-grid,
  .project-boundary-grid,
  .project-intent-grid,
  .prototype-notes-heading,
  .story-focus-grid,
  .manufacturing-context-grid,
  .design-goals-grid,
  .development-update-grid,
  .development-timeline-heading,
  .development-journal-heading,
  .development-journal-entry-header,
  .development-board-grid { grid-template-columns: 1fr; }
  .product-purchase-grid { grid-template-columns: 1fr; }
  .about-grid { gap: 28px; }
  .about-copy { gap: 20px; padding-top: 0; }
  .about-copy .lead { font-size: 21px; }
  .featured-product { padding: 62px 0 70px; background: #edf1f4; }
  .featured-image { height: 380px; }
  .featured-copy { padding: 39px 0 0; }
  .development { padding: 68px 0 72px; }
  .section-head { gap: 20px; }
  .section-head .section-lead { justify-self: start; }
  .development-grid { grid-template-columns: 1fr; gap: 21px; margin-top: 32px; }
  .development-thumb { height: 235px; }
  .manufacturing { padding: 72px 0; }
  .manufacturing-grid { gap: 40px; }
  .manufacturing-visuals { height: 460px; }
  .capability-cards { grid-template-columns: 1fr 1fr; margin-top: 32px; }
  .capability-card { min-height: 210px; }
  .capability-context { grid-template-columns: 1fr; }
  .knowledge { padding: 70px 0; }
  .article-grid { grid-template-columns: 1fr; gap: 18px; margin-top: 32px; }
  .article-card { min-height: 220px; }
  .article-hero { padding-top: 42px; }
  .article-hero-grid { grid-template-columns: 1fr; gap: 0; margin-top: 32px; }
  .article-hero-copy { padding-bottom: 44px; }
  .article-hero h1 { font-size: 48px; }
  .article-hero-media { height: 390px; }
  .article-layout { grid-template-columns: 1fr; gap: 46px; padding-top: 60px; padding-bottom: 76px; }
  .article-toc-inner { position: static; display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; padding: 19px 0; }
  .article-toc span { grid-column: 1 / -1; }
  .article-content { width: min(760px, 100%); margin-inline: auto; }
  .article-next-grid { grid-template-columns: 1fr; gap: 28px; }
  .article-next-grid > div:last-child { justify-content: flex-start; }
  .community { padding: 62px 0; }
  .community-grid { gap: 28px; }
  .channel-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 31px; }
  .footer-logo { width: min(240px, 100%); }
  .legal { display: block; }
  .legal span { display: block; margin-top: 9px; }

  .page-hero { padding: 58px 0 64px; }
  .page-hero-grid { gap: 24px; margin-top: 30px; }
  .page-hero h1 { font-size: 40px; }
  .catalog { padding: 62px 0 72px; }
  .catalog-intro { gap: 24px; }
  .catalog .section-title { font-size: 34px; }
  .catalog-count { justify-self: start; }
  .catalog-filters { margin-top: 32px; }
  .catalog-filter { align-items: flex-start; flex-direction: column; gap: 11px; }
  .catalog-filter-label { flex-basis: auto; }
  .catalog-filter-buttons { width: 100%; }
  .catalog-filter button { flex: 1 1 calc(50% - 8px); }
  .preview-toolbar { align-items: flex-start; flex-direction: column; gap: 16px; margin-top: 32px; }
  .view-toggle { width: 100%; }
  .view-toggle button { flex: 1; }
  .category-filter { align-items: flex-start; flex-direction: column; gap: 11px; }
  .category-filter-buttons { width: 100%; }
  .category-filter button { flex: 1 1 calc(50% - 8px); }
  .mock-notice { align-items: flex-start; flex-direction: column; gap: 3px; }
  .product-grid { grid-template-columns: 1fr; margin-top: 32px; }
  .product-panel { margin-top: 20px; }
  .product-panel .product-grid { margin-top: 18px; }
  .product-card:only-child { grid-column: auto; display: block; }
  .product-card:only-child .product-card-image { height: 330px; }
  .product-card:only-child .product-card-body { display: block; padding: 28px; }
  .product-card-image { height: 330px; }
  .product-hero { padding: 38px 0 58px; }
  .product-hero-image { height: 390px; }
  .product-hero-copy { padding: 38px 0 0; }
  .product-hero-copy h1 { font-size: 47px; }
  .detail-section { padding: 70px 0; }
  .detail-grid { gap: 33px; }
  .detail-copy { gap: 28px; }
  .ded-software { padding: 70px 0; }
  .ded-software-grid { grid-template-columns: 1fr; gap: 34px; }
  .detail-band { padding: 70px 0; }
  .detail-band-grid { gap: 34px; }
  .product-gallery { padding: 70px 0 68px; }
  .product-gallery-heading { grid-template-columns: 1fr; gap: 18px; }
  .product-gallery-stage { height: min(70vw, 600px); margin-top: 32px; }
  .product-gallery-lightbox[open] { grid-template-columns: 68px minmax(0, 1fr) 68px; }
  .product-gallery-lightbox figure { padding-right: 8px; padding-left: 8px; }
  .product-gallery-lightbox figcaption { align-items: center; flex-direction: column; gap: 5px; }
  .product-demonstration { padding: 70px 0; }
  .product-demonstration-heading { grid-template-columns: 1fr; gap: 18px; }
  .product-demonstration-grid { margin-top: 32px; }
  .product-installation { padding: 70px 0; }
  .product-installation-heading { grid-template-columns: 1fr; gap: 18px; }
  .product-installation-grid { grid-template-columns: 1fr; }
  .installation-method-card,
  .package-card { min-height: 0; }
  .installation-drawing { grid-template-columns: 1fr; }
  .installation-drawing img { height: auto; min-height: 0; }
  .installation-drawing figcaption { border-top: 1px solid var(--line); border-left: 0; }
  .product-form-note { grid-template-columns: 1fr; gap: 16px; }
  .product-form-note .installation-card-label,
  .product-form-note h3,
  .product-form-note p,
  .product-form-actions { grid-column: 1; grid-row: auto; }
  .product-form-actions { margin-top: 4px; }
  .installation-connection { margin-top: 38px; }
  .usage-card { grid-template-columns: 1fr; gap: 25px; padding: 30px; }
  .research-center { padding: 62px 0 72px; }
  .research-intro { gap: 22px; }
  .research-grid { grid-template-columns: 1fr; gap: 21px; margin-top: 32px; }
  .research-card-image { height: 235px; }
  .research-principles { padding: 68px 0; }
  .research-principles-grid { gap: 34px; }
  .principle-list { grid-template-columns: 1fr; }
  .principle-item + .principle-item { padding-left: 0; border-left: 0; }
  .project-detail-hero { padding: 38px 0 56px; }
  .project-detail-image { height: 390px; }
  .project-detail-copy { padding: 36px 0 0; }
  .project-detail-copy h1 { font-size: 42px; }
  .product-progress-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  .project-intent,
  .prototype-notes,
  .story-focus { padding: 68px 0; }
  .design-goals { padding: 68px 0; }
  .design-goals-grid { gap: 34px; }
  .design-goals-copy { position: static; }
  .project-intent-grid,
  .story-focus-grid,
  .manufacturing-context-grid,
  .development-update-grid,
  .development-timeline-heading,
  .development-journal-heading,
  .development-journal-entry-header,
  .development-board-grid { gap: 34px; }
  .development-update,
  .development-timeline { padding: 68px 0; }
  .development-journal { padding: 68px 0; }
  .development-journal-heading { align-items: start; margin-bottom: 40px; }
  .development-journal-entry { padding-top: 40px; }
  .development-journal-entry + .development-journal-entry { margin-top: 76px; padding-top: 52px; }
  .development-journal-entry-header { align-items: start; margin-bottom: 32px; }
  .development-journal-frame { height: 260px; }
  .development-journal-crop { height: 330px; }
  .development-update-points { grid-template-columns: 1fr; }
  .development-timeline-heading { margin-bottom: 32px; }
  .development-board { padding: 68px 0; }
  .development-board-list { grid-template-columns: 1fr; }
  .development-board-card { min-height: 0; }
  .prototype-notes-heading { gap: 22px; margin-bottom: 30px; }
  .prototype-note,
  .prototype-note.is-reversed { grid-template-columns: 1fr; }
  .prototype-note.is-reversed .prototype-note-image { order: 0; }
  .prototype-note-image { min-height: 340px; }
  .prototype-note-copy { padding: 32px; }
  .manufacturing-context { padding: 68px 0; }
  .manufacturing-context-list { grid-template-columns: 1fr; }
  .manufacturing-context-card { min-height: 0; }
  .project-focus { padding: 68px 0; }
  .project-focus-grid { gap: 32px; }
  .focus-list { grid-template-columns: 1fr; }
  .focus-card { min-height: 160px; }
  .project-boundary { padding: 66px 0; }
  .project-boundary-grid { gap: 25px; }
  .project-contact-card { grid-template-columns: 1fr; gap: 23px; padding: 30px; }
}

@media (max-width: 560px) {
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .home-hero h1 { font-size: 35px; }
  .featured-image { height: 300px; }
  .fact-grid,
  .product-quick-facts,
  .detail-copy,
  .process-list { grid-template-columns: 1fr; }
  .fact-grid span:nth-child(even),
  .quick-fact:nth-child(even),
  .process-item:nth-child(even) { padding-left: 0; border-left: 0; }
  .product-price-option > div { align-items: flex-start; flex-direction: column; gap: 5px; }
  .manufacturing-visuals { height: auto; grid-template-columns: 1fr; grid-template-rows: 220px 260px; }
  .manufacturing-visual--engineering { grid-column: auto; }
  .manufacturing-visual--engineering img { padding: 17px 12px 24px; }
  .manufacturing-visual--panel { display: none; }
  .capability-cards { grid-template-columns: 1fr; }
  .capability-card { min-height: 0; padding: 25px; }
  .product-directions,
  .application-scenarios { grid-template-columns: 1fr; gap: 8px; padding: 20px 24px; }
  .channel-grid { grid-template-columns: 1fr; }
  .article-hero h1 { font-size: 39px; }
  .article-hero-copy > p { font-size: 15px; }
  .article-meta { gap: 6px 0; }
  .article-meta span,
  .article-meta time { width: 50%; padding: 0; border-left: 0; }
  .article-hero-media { height: 290px; }
  .article-layout { gap: 38px; padding-top: 48px; padding-bottom: 62px; }
  .article-toc-inner { grid-template-columns: 1fr; }
  .article-toc span { grid-column: auto; }
  .article-intro { margin-bottom: 54px; padding-left: 20px; font-size: 18px; line-height: 1.8; }
  .article-section { padding-bottom: 56px; }
  .article-section + .article-section { padding-top: 56px; }
  .article-section h2 { font-size: 32px; }
  .article-section > p { font-size: 15px; line-height: 1.9; }
  .panel-comparison,
  .article-detail-grid,
  .experience-grid,
  .nvis-boundary-card { grid-template-columns: 1fr; }
  .panel-comparison-card,
  .article-detail-card,
  .experience-grid article { min-height: 0; }
  .article-detail-card.is-wide { grid-column: auto; }
  .panel-comparison-card h3 { margin-top: 28px; }
  .article-figure-wide img { height: 390px; }
  .article-figure figcaption { grid-template-columns: 1fr; gap: 4px; }
  .article-standard-note { padding: 25px 23px; }
  .article-marker-note { grid-template-columns: 72px 1fr; gap: 18px; padding: 23px 20px; }
  .article-marker-note > span { font-size: 56px; }
  .article-process li { grid-template-columns: 1fr; gap: 7px; }
  .nvis-boundary-card > div { min-height: 160px; }
  .article-conclusion blockquote { padding: 26px 24px; font-size: 18px; }
  .article-sources a { grid-template-columns: 1fr; gap: 2px; padding: 12px 0; }
  .article-next { padding: 50px 0; }
  .article-next h2 { font-size: 25px; }
  .article-next-grid > div:last-child { align-items: flex-start; flex-direction: column; }
  .product-card-image { height: 270px; }
  .product-grid--multi .product-card-image { height: 250px; }
  .product-card:only-child .product-card-image { height: 270px; }
  .view-toggle { flex-direction: column; }
  .product-hero-image { height: 300px; }
  .product-hero-meta { align-items: flex-start; flex-direction: column; gap: 8px; }
  .product-release { padding-left: 0; border-left: 0; }
  .product-contact-actions { flex-direction: column; }
  .product-contact-actions .button { width: 100%; }
  .software-facts { grid-template-columns: 1fr; }
  .software-facts > div { min-height: 0; }
  .software-facts > div + div { border-top: 1px solid var(--line); border-left: 0; }
  .product-gallery-stage { height: 72vw; }
  .product-gallery-nav { width: 42px; height: 42px; font-size: 20px; }
  .product-gallery-nav.is-prev { left: 10px; }
  .product-gallery-nav.is-next { right: 10px; }
  .product-gallery-expand { right: 10px; bottom: 10px; }
  .product-gallery-meta { min-height: 130px; align-items: flex-start; flex-direction: column; gap: 13px; padding-top: 20px; }
  .product-gallery-meta h3 { font-size: 20px; }
  .product-gallery-thumbnails { display: flex; gap: 10px; overflow-x: auto; padding: 2px 2px 12px; scroll-snap-type: x mandatory; }
  .product-gallery-thumbnails button { flex: 0 0 96px; scroll-snap-align: start; }
  .product-gallery-lightbox[open] { grid-template-columns: 48px minmax(0, 1fr) 48px; grid-template-rows: 62px minmax(0, 1fr); }
  .product-gallery-lightbox-toolbar { padding: 0 16px; }
  .product-gallery-lightbox-nav { width: 40px; height: 48px; font-size: 20px; }
  .product-gallery-lightbox figure { padding-top: 18px; }
  .product-gallery-lightbox figure img { max-height: calc(100vh - 190px); }
  .product-gallery-lightbox figcaption { padding-top: 13px; }
  .product-demonstration-grid { grid-template-columns: 1fr; gap: 18px; }
  .product-demonstration-grid figcaption { min-height: 0; padding: 20px 21px 22px; }
  .installation-method-card,
  .package-card { padding: 30px 25px; }
  .installation-drawing img { padding: 18px 14px; }
  .installation-drawing figcaption { padding: 26px 24px; }
  .product-form-note { padding: 28px 24px; }
  .package-list { grid-template-columns: 1fr; }
  .package-list li:nth-child(even) { border-left: 0; }
  .optional-accessory { grid-template-columns: 1fr; gap: 9px; }
  .optional-accessory > span { grid-row: auto; justify-self: start; }
  .project-detail-image { height: 300px; }
  .product-progress { padding: 54px 0 58px; }
  .product-progress-heading { margin-bottom: 28px; }
  .product-progress-track { grid-template-columns: 1fr; gap: 0; }
  .product-progress-track li { min-height: 58px; padding: 0 0 30px 40px; }
  .product-progress-track li::before { top: 0; left: 0; }
  .product-progress-track li::after { top: 16px; bottom: 0; left: 7px; width: 2px; height: auto; }
  .product-progress-track .is-current::before { top: -2px; left: -2px; }
  .design-goal-list { grid-template-columns: 1fr; }
  .design-goal-card { min-height: 0; padding: 24px; }
  .design-goal-photo { margin: 22px -24px -24px; }
  .intent-card-grid { grid-template-columns: 1fr; }
  .prototype-note-image { min-height: 280px; }
  .prototype-note-copy { padding: 27px 24px; }
  .prototype-note-copy h3 { font-size: 24px; }
  .story-focus-card { grid-template-columns: 1fr; gap: 8px; padding: 22px; }
  .development-timeline-list::before { left: 0; }
  .development-entry { grid-template-columns: 1fr; padding: 0 0 18px 17px; }
  .development-entry time { padding: 0 0 8px; text-align: left; }
  .development-entry-content { padding: 22px; }
  .development-entry-content::before { top: 28px; left: -17px; }
  .development-entry-media[data-media-count] { grid-template-columns: 1fr; }
  .development-journal-heading .section-title { font-size: 32px; }
  .development-journal-entry-header h3 { font-size: 30px; }
  .development-journal-copy p { font-size: 15px; line-height: 1.9; }
  .development-journal-media-grid { grid-template-columns: 1fr; }
  .development-journal-frame,
  .development-journal-media-grid.is-1 .development-journal-frame { height: auto; aspect-ratio: 4 / 3; }
  .development-journal-gallery { grid-template-columns: 1fr; }
  .development-journal-crop { height: 300px; }
  .development-journal-single-crop { height: 330px; }
  .development-note { grid-template-columns: 1fr; gap: 9px; margin-top: 46px; }
}

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