:root {
  --ink: #101828;
  --muted: #647084;
  --line: #e3e8ef;
  --panel: #f6f8fb;
  --blue: #0b66c3;
  --cyan: #00a9c8;
  --red: #e0161b;
  --deep: #07182f;
  --white: #fff;
  --shadow: 0 22px 60px rgba(15, 35, 70, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  padding: 0 clamp(22px, 5vw, 76px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(229, 233, 239, 0.72);
  backdrop-filter: blur(18px);
  transition: box-shadow 0.25s ease, height 0.25s ease;
}
.site-header.is-scrolled { height: 66px; box-shadow: 0 10px 34px rgba(16, 30, 54, 0.08); }
.brand img { width: 188px; height: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.6vw, 36px); color: #253041; font-size: 15px; }
.site-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 8px 0; }
.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 0;
  height: 2px;
  content: "";
  background: var(--blue);
  transition: width 0.22s ease;
}
.site-nav a:hover::after, .site-nav a.is-active::after { width: 100%; }
.nav-item { position: relative; }
.nav-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: -24px;
  display: grid;
  min-width: 180px;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.nav-item:hover .nav-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
.nav-menu a { min-height: 36px; font-size: 14px; }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 0; background: transparent; border: 0; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 7px auto; background: var(--ink); transition: transform 0.2s ease; }
.nav-toggle.is-open span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle.is-open span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
.lang-toggle {
  min-width: 48px;
  height: 36px;
  padding: 0 12px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(11, 102, 195, 0.26);
  border-radius: 2px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}
.lang-toggle:hover {
  color: #fff;
  background: var(--blue);
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 118px clamp(22px, 5vw, 76px) 42px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.92) 38%, rgba(255,255,255,0.14) 72%),
    radial-gradient(circle at 88% 18%, rgba(0,169,200,0.18), transparent 28%),
    linear-gradient(145deg, #f7faff 0%, #eef4fa 100%);
}
.hero::before, .page-hero::before {
  position: absolute;
  inset: 80px auto auto 47%;
  width: 1px;
  height: calc(100% - 140px);
  content: "";
  background: linear-gradient(180deg, transparent, rgba(11,102,195,0.32), transparent);
}
.hero-media { position: absolute; inset: 0 0 0 auto; width: 56%; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(1.05) contrast(1.03); }
.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(7,24,47,0.38));
}
.scanline { position: absolute; inset: 0; background: repeating-linear-gradient(0deg, rgba(255,255,255,0.12) 0 1px, transparent 1px 12px); opacity: 0.16; }
.hero-content { position: relative; z-index: 4; width: min(650px, 50vw); }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: 15px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
.hero h1, .page-hero h1 { max-width: 680px; margin: 0; font-size: clamp(42px, 5.2vw, 72px); line-height: 1.05; font-weight: 780; }
.hero-copy, .page-hero p:not(.eyebrow) { max-width: 610px; margin: 26px 0 0; color: #344054; font-size: clamp(17px, 1.45vw, 21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-weight: 760;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { box-shadow: 0 14px 30px rgba(11,102,195,0.18); }
.btn.primary { color: #fff; background: var(--blue); box-shadow: 0 16px 34px rgba(11,102,195,0.23); }
.btn.ghost { color: var(--blue); background: rgba(255,255,255,0.84); border-color: rgba(11,102,195,0.22); }
.btn.light { color: var(--blue); background: #fff; box-shadow: none; }
.hero-stats {
  position: absolute;
  left: clamp(22px, 5vw, 76px);
  bottom: 42px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(760px, 48vw);
  border-top: 1px solid rgba(17,24,39,0.14);
}
.hero-stats article { padding: 22px 26px 0 0; }
.hero-stats strong { display: block; font-size: clamp(30px, 4vw, 52px); line-height: 1; }
.hero-stats span { display: block; margin-top: 9px; color: #596579; font-size: 14px; }

.hero-product {
  min-height: 100vh;
  padding: 0;
  align-items: start;
  background: #eef5fb;
}
.hero-product::before { display: none; }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  user-select: none;
}
.hero-product-copy {
  position: absolute;
  left: clamp(92px, 8.45vw, 174px);
  top: 38.3%;
  z-index: 2;
  width: min(670px, 43vw);
}
html[lang="en"] .hero-product-copy { width: min(760px, 52vw); }
.hero-product-copy h1 {
  display: flex;
  align-items: center;
  gap: 15px;
  max-width: none;
  margin: 0;
  color: #222630;
  font-size: 88px;
  font-weight: 820;
  line-height: 0.95;
}
.hero-mark {
  display: inline-block;
  flex: 0 0 auto;
  width: 17px;
  height: 0.92em;
  background: linear-gradient(180deg, #6a83d3 0%, #1d5db9 100%);
}
.hero-subtitle {
  margin: 35px 0 0;
  color: #3f4550;
  font-family: "Consolas", "Courier New", "Microsoft YaHei", monospace;
  font-size: 32px;
  font-weight: 500;
  line-height: 1.35;
}
html[lang="en"] .hero-subtitle { font-size: 28px; }
.hero-rule {
  width: 60px;
  height: 3px;
  margin-top: 35px;
  background: #315fab;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 29px 0 0;
  padding: 0;
  color: #4c525c;
  font-size: 20px;
  font-weight: 520;
  line-height: 1.4;
  list-style: none;
}
.hero-tags li {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.hero-tags li + li::before {
  display: inline-block;
  width: 1px;
  height: 1.1em;
  margin-right: 26px;
  content: "";
  background: rgba(48, 57, 70, 0.68);
}
html[lang="en"] .hero-tags {
  gap: 10px 20px;
  font-size: 16px;
}
html[lang="en"] .hero-tags li + li::before { margin-right: 20px; }

.strip { display: grid; grid-template-columns: minmax(max-content, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 76px); padding: clamp(58px, 8vw, 96px) clamp(22px, 5vw, 76px); border-bottom: 1px solid var(--line); }
.intro .section-head { max-width: none; }
.intro .section-head h2 { white-space: nowrap; }
.intro p:last-child { max-width: 930px; margin: 0; color: #344054; font-size: clamp(17px, 1.35vw, 20px); }
.section { padding: clamp(72px, 9vw, 126px) clamp(22px, 5vw, 76px); }
.section-head { max-width: 720px; }
.section-head.wide { display: grid; grid-template-columns: 0.55fr 1fr; gap: 24px clamp(28px, 5vw, 72px); max-width: none; align-items: end; }
.section-head h2 { margin: 0; font-size: clamp(34px, 4vw, 58px); line-height: 1.08; }
.section-head p:last-child { margin: 0; color: var(--muted); font-size: 17px; }

.rich-product-grid { display: grid; grid-template-columns: 1.1fr 0.9fr 0.9fr; gap: 18px; margin-top: 44px; }
.product-tile {
  position: relative;
  display: grid;
  min-height: 520px;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
  border: 1px solid rgba(13, 36, 68, 0.08);
  box-shadow: 0 18px 50px rgba(10, 31, 62, 0.12);
}
.product-tile:not(.large) { min-height: 430px; }
.tile-media { position: absolute; inset: 0; display: grid; grid-template-columns: 1fr; }
.tile-media img { width: 100%; height: 100%; object-fit: cover; grid-area: 1 / 1; transition: transform 0.5s ease, opacity 0.5s ease; }
.tile-media img:first-child { opacity: 0.92; }
.tile-media img:last-child { opacity: 0; mix-blend-mode: screen; }
.product-tile:hover .tile-media img:first-child { transform: scale(1.04); opacity: 0.46; }
.product-tile:hover .tile-media img:last-child { transform: scale(1.04); opacity: 0.72; }
.product-tile::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(5, 19, 38, 0.05), rgba(5, 19, 38, 0.86)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 74px);
}
.tile-copy { position: relative; z-index: 2; align-self: end; padding: 28px; }
.tile-copy span { color: #9deaff; font-size: 15px; font-weight: 800; text-transform: uppercase; }
.tile-copy h3 { max-width: 520px; margin: 8px 0 10px; font-size: clamp(24px, 2.8vw, 42px); line-height: 1.12; }
.rich-product-grid .product-tile:nth-child(1) .tile-copy h3,
.rich-product-grid .product-tile:nth-child(3) .tile-copy h3 {
  max-width: none;
  font-size: clamp(20px, 1.7vw, 34px);
  white-space: nowrap;
}
.tile-copy p { max-width: 520px; margin: 0 0 20px; color: rgba(255,255,255,0.78); }
.tile-copy b { color: #fff; font-size: 14px; }

.tech-section {
  color: #fff;
  background:
    linear-gradient(120deg, rgba(7,24,47,0.98), rgba(11,47,83,0.94)),
    url("assets/module-front.png") center / cover;
}
.tech-section .eyebrow, .tech-section .section-head h2 { color: #fff; }
.tech-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: clamp(38px, 5vw, 64px); background: rgba(255,255,255,0.18); }
.tech-grid article { min-height: 290px; padding: 28px; background: rgba(6,21,41,0.7); border: 1px solid rgba(255,255,255,0.08); }
.tech-grid span { color: #73d8ff; font-size: 36px; line-height: 1; font-weight: 850; }
.tech-grid h3 { margin: 74px 0 14px; font-size: 23px; line-height: 1.22; }
.tech-grid p { margin: 0; color: rgba(255,255,255,0.72); }
.section-link { display: inline-flex; margin-top: 30px; color: #aeeeff; font-weight: 800; }
.section-link.dark { color: var(--blue); }

.app-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 42px; }
.app-grid a { display: block; padding-bottom: 24px; border-bottom: 2px solid var(--line); }
.app-grid img { width: 100%; aspect-ratio: 1.18; object-fit: cover; margin-bottom: 20px; background: var(--panel); }
.app-grid h3 { margin: 0 0 8px; font-size: 22px; }
.app-grid p { margin: 0; color: var(--muted); }
.app-grid a:hover h3 { color: var(--blue); }

.about { display: grid; grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.12fr); gap: clamp(30px, 5vw, 76px); align-items: center; background: var(--panel); }
.about-media { position: relative; display: grid; place-items: center; overflow: visible; box-shadow: none; isolation: isolate; }
.about-media::before { position: absolute; inset: 14%; z-index: -1; content: ""; border-radius: 50%; background: radial-gradient(circle, rgba(39, 117, 196, 0.16), rgba(39, 117, 196, 0) 68%); filter: blur(26px); }
.about-media img { width: min(100%, 720px); height: auto; aspect-ratio: auto; object-fit: contain; filter: drop-shadow(0 26px 30px rgba(8, 27, 52, 0.18)); }
.about-copy h2 { margin: 0; font-size: clamp(34px, 4.2vw, 60px); line-height: 1.08; }
.about-copy p:not(.eyebrow) { margin: 24px 0 30px; color: #455064; font-size: 17px; }
.milestones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.milestones article { padding: 22px; background: #fff; }
.milestones strong { display: block; color: var(--blue); font-size: 28px; line-height: 1; }
.milestones span { display: block; margin-top: 10px; color: var(--muted); font-size: 14px; }

.news-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 42px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.news-list article { min-height: 250px; padding: 30px; border-right: 1px solid var(--line); }
.news-list article:last-child { border-right: 0; }
.news-list time { color: var(--blue); font-weight: 800; }
.news-list h3 { margin: 56px 0 12px; font-size: 22px; line-height: 1.25; }
.news-list p { margin: 0; color: var(--muted); }

.page-hero {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 140px clamp(22px, 5vw, 76px) 72px;
  background: linear-gradient(110deg, #f8fbff 0%, #edf4fa 46%, #dceaf4 100%);
}
.page-hero img { position: absolute; inset: 0 0 0 auto; width: 56%; height: 100%; object-fit: cover; opacity: 0.72; }
.page-hero::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.88) 44%, rgba(255,255,255,0.18) 78%); }
.page-hero-content { position: relative; z-index: 2; max-width: 560px; }
.page-hero h1 { max-width: 540px; font-size: clamp(38px, 4.2vw, 58px); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--blue); }
.content-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr); gap: clamp(28px, 5vw, 76px); align-items: start; }
.content-card { padding: clamp(26px, 4vw, 44px); background: var(--panel); border: 1px solid var(--line); }
.spec-grid { display: grid; gap: 1px; margin: 24px 0 0; overflow: hidden; border: 1px solid #dbe7f4; }
.spec-grid div { display: grid; grid-template-columns: 140px 1fr; min-height: 54px; background: #fff; }
.spec-grid dt, .spec-grid dd { display: flex; align-items: center; margin: 0; padding: 12px 16px; }
.spec-grid dt { color: #2b5b87; font-weight: 800; background: #e9f4fb; }
.gallery-stack { display: grid; gap: 16px; }
.gallery-stack img { width: 100%; aspect-ratio: 1.45; object-fit: cover; background: var(--panel); }

.chip-scroll {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(30px, 5vw, 84px);
  min-height: 245vh;
  padding: 118px clamp(22px, 5vw, 76px);
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 48%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.chip-scroll::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(11, 102, 195, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(11, 102, 195, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent, #000 22%, #000 74%, transparent);
  pointer-events: none;
}
.chip-scroll-copy {
  position: sticky;
  top: 118px;
  z-index: 2;
  align-self: start;
  padding-top: 4vh;
}
.chip-scroll-copy h2 {
  max-width: 640px;
  margin: 0;
  color: #152033;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.04;
}
.chip-scroll-copy > p:not(.eyebrow) {
  max-width: 600px;
  margin: 24px 0 0;
  color: #526070;
  font-size: 17px;
}
.chip-scroll-steps {
  display: grid;
  gap: 12px;
  max-width: 560px;
  margin-top: 34px;
}
.chip-scroll-steps article {
  position: relative;
  padding: 18px 20px 18px 62px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(211, 223, 238, 0.84);
  box-shadow: 0 18px 46px rgba(32, 57, 92, 0.07);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.chip-scroll-steps article.is-active {
  border-color: rgba(11, 102, 195, 0.38);
  box-shadow: 0 24px 60px rgba(11, 102, 195, 0.14);
  transform: translateX(4px);
}
.chip-scroll-steps span {
  position: absolute;
  left: 20px;
  top: 20px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}
.chip-scroll-steps h3 {
  margin: 0;
  color: #182234;
  font-size: 20px;
  line-height: 1.25;
}
.chip-scroll-steps p {
  margin: 8px 0 0;
  color: #647084;
  font-size: 14px;
  line-height: 1.6;
}
.chip-scroll-stage {
  position: sticky;
  top: 96px;
  z-index: 1;
  display: grid;
  place-items: center;
  align-self: start;
  min-height: calc(100vh - 112px);
  overflow: hidden;
  isolation: isolate;
}
.chip-scroll-stage::before {
  position: absolute;
  width: min(66vw, 780px);
  aspect-ratio: 1;
  content: "";
  background: radial-gradient(circle, rgba(255, 255, 255, 0.96) 0 36%, rgba(227, 241, 255, 0.84) 37% 54%, rgba(255, 255, 255, 0) 72%);
  border: 1px solid rgba(210, 224, 240, 0.8);
  border-radius: 50%;
  box-shadow: inset 0 0 60px rgba(255, 255, 255, 0.94), 0 34px 110px rgba(39, 72, 112, 0.12);
}
.chip-stage-glow {
  position: absolute;
  width: min(55vw, 620px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(87, 160, 232, 0.22), rgba(255, 255, 255, 0) 66%);
  filter: blur(4px);
}
.chip-scroll-stage img {
  position: relative;
  z-index: 2;
  width: min(62vw, 860px);
  max-width: none;
  object-fit: contain;
  filter: drop-shadow(0 30px 42px rgba(31, 44, 55, 0.14));
  transform: translateZ(0);
}
.chip-progress {
  position: absolute;
  left: 50%;
  bottom: 8vh;
  z-index: 3;
  width: min(360px, 42vw);
  height: 3px;
  overflow: hidden;
  background: rgba(24, 43, 68, 0.11);
}
.chip-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
}

.feature-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 32px; border: 1px solid var(--line); background: var(--line); }
.feature-list article { min-height: 180px; padding: 24px; background: #fff; }
.feature-list strong { color: var(--blue); font-size: 13px; }
.feature-list h3 { margin: 34px 0 10px; font-size: 22px; line-height: 1.22; }
.feature-list p { margin: 0; color: var(--muted); }
.split-band { display: grid; grid-template-columns: 1fr 1fr; min-height: 460px; }
.split-band img { width: 100%; height: 100%; object-fit: cover; }
.split-copy { display: grid; align-content: center; padding: clamp(36px, 6vw, 76px); background: var(--deep); color: #fff; }
.split-copy p { color: rgba(255,255,255,0.76); }
.listing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 42px; }
.listing-card { border: 1px solid var(--line); background: #fff; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.listing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.listing-card img { width: 100%; aspect-ratio: 1.35; object-fit: cover; }
.listing-card div { padding: 22px; }
.listing-card span { color: var(--blue); font-size: 13px; font-weight: 800; }
.listing-card h3 { margin: 8px 0; font-size: 24px; line-height: 1.2; }
.listing-card p { margin: 0; color: var(--muted); }

.contact { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 30px; align-items: center; padding: clamp(48px, 7vw, 78px) clamp(22px, 5vw, 76px); color: #fff; background: linear-gradient(120deg, var(--blue), #063c74 70%, var(--deep)); }
.contact h2 { margin: 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.08; }
.contact p:last-child { max-width: 760px; margin: 16px 0 0; color: rgba(255,255,255,0.78); }
.contact .eyebrow { color: #bceeff; }
.site-footer { display: grid; grid-template-columns: 1fr 1.1fr auto; gap: 34px; padding: 46px clamp(22px, 5vw, 76px); color: rgba(255,255,255,0.72); background: #07111f; }
.site-footer img { width: 176px; height: auto; padding: 0; background: transparent; }

@media (min-width: 461px) and (max-width: 1100px) {
  .product-section .tile-copy h3,
  .product-section .tile-copy p { max-width: none; white-space: nowrap; }
}
.site-footer p { margin: 18px 0 0; }
.site-footer address { display: grid; gap: 8px; font-style: normal; }
.site-footer .icp-link { width: fit-content; color: rgba(255,255,255,0.72); }
.site-footer .icp-link:hover { color: #fff; }
.site-footer nav { display: grid; gap: 8px; align-content: start; }
.site-footer a { color: #fff; }

@media (max-width: 1100px) {
  .hero-content { width: min(680px, 70vw); }
  .hero-media { width: 54%; }
  .hero-product-copy {
    left: 72px;
    width: 560px;
  }
  .hero-product-copy h1 { font-size: 64px; }
  .hero-subtitle { font-size: 25px; }
  html[lang="en"] .hero-subtitle { font-size: 22px; }
  .hero-tags { font-size: 17px; }
  .chip-scroll {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 92px;
    padding-bottom: 92px;
  }
  .chip-scroll-copy,
  .chip-scroll-stage {
    position: relative;
    top: auto;
  }
  .chip-scroll-stage {
    min-height: 560px;
    order: -1;
  }
  .chip-scroll-stage img { width: min(96vw, 760px); }
  .chip-progress { left: auto; bottom: 32px; width: min(420px, 72vw); }
  .rich-product-grid, .content-grid, .about, .split-band { grid-template-columns: 1fr; }
  .product-tile, .product-tile:not(.large) { min-height: 460px; }
  .tech-grid, .app-grid, .feature-list, .listing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .site-header { height: 68px; padding: 0 18px; }
  .brand img { width: 154px; }
  .nav-toggle { display: block; }
  .lang-toggle { margin-left: auto; margin-right: 10px; }
  .site-nav { position: fixed; inset: 68px 0 auto 0; display: grid; gap: 0; max-height: calc(100vh - 68px); overflow: auto; padding: 10px 18px 20px; background: rgba(255,255,255,0.98); border-bottom: 1px solid var(--line); transform: translateY(-120%); transition: transform 0.22s ease; }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav-menu { position: static; opacity: 1; pointer-events: auto; transform: none; box-shadow: none; border: 0; padding: 0 0 0 16px; background: transparent; }
  .nav-menu a { color: var(--muted); }
  .hero { min-height: 780px; padding: 96px 20px 28px; background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.92) 48%, rgba(255,255,255,0.5) 100%), linear-gradient(145deg, #f7faff 0%, #eef4fa 100%); }
  .hero-product {
    min-height: 660px;
    padding: 0;
    background: #eef5fb;
  }
  .hero-product .hero-bg {
    object-position: 64% center;
    opacity: 1;
  }
  .hero-product-copy {
    top: 150px;
    left: 22px;
    width: min(520px, calc(100% - 44px));
  }
  .hero-product-copy h1 {
    gap: 10px;
    font-size: 46px;
  }
  .hero-mark { width: 10px; }
  .hero-subtitle {
    margin-top: 20px;
    font-size: 20px;
  }
  html[lang="en"] .hero-subtitle { font-size: 18px; }
  .hero-rule {
    width: 48px;
    margin-top: 24px;
  }
  .hero-tags {
    gap: 9px 15px;
    margin-top: 22px;
    font-size: 15px;
  }
  .hero-tags li + li::before {
    margin-right: 15px;
  }
  .hero-media { inset: auto 0 0 0; width: 100%; height: 39%; opacity: 0.48; }
  .hero-content { width: 100%; align-self: start; }
  .hero-stats { position: relative; left: auto; bottom: auto; width: 100%; grid-template-columns: 1fr; margin-top: 28px; padding: 2px 16px; background: rgba(255,255,255,0.82); backdrop-filter: blur(8px); }
  .hero-stats article { padding: 16px 0; border-bottom: 1px solid rgba(17,24,39,0.1); }
  .chip-scroll {
    padding: 72px 20px;
  }
  .chip-scroll-copy h2 { font-size: clamp(34px, 9vw, 46px); }
  .chip-scroll-stage {
    min-height: 430px;
  }
  .chip-scroll-stage::before {
    width: min(96vw, 460px);
  }
  .chip-scroll-stage img {
    width: min(110vw, 560px);
  }
  .chip-scroll-steps article {
    padding-left: 54px;
  }
  .chip-scroll-steps span {
    left: 18px;
  }
  .strip, .section-head.wide, .contact, .site-footer { grid-template-columns: 1fr; }
  .section, .strip, .page-hero { padding-left: 20px; padding-right: 20px; }
  .page-hero { min-height: 500px; padding-top: 110px; }
  .page-hero img { width: 100%; opacity: 0.24; }
  .page-hero::after { background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.72)); }
  .product-tile, .product-tile:not(.large) { min-height: 390px; }
  .tech-grid, .app-grid, .feature-list, .listing-grid, .news-list, .milestones { grid-template-columns: 1fr; }
  .tech-grid article { min-height: 220px; }
  .tech-grid h3, .news-list h3 { margin-top: 32px; }
  .news-list article, .news-list article:last-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .spec-grid div { grid-template-columns: 112px 1fr; }
}

@media (max-width: 460px) {
  .hero h1, .page-hero h1 { font-size: 35px; }
  .hero-product { min-height: 610px; }
  .hero-product-copy { top: 132px; }
  .hero-product-copy h1 { font-size: 40px; }
  .hero-subtitle { font-size: 17px; }
  html[lang="en"] .hero-subtitle { font-size: 15px; }
  .hero-tags { font-size: 14px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .tile-copy { padding: 22px; }
  .spec-grid div { grid-template-columns: 1fr; }
  .spec-grid dt { min-height: 40px; }
}