:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --ink: #15171c;
  --ink-2: #3a3f4a;
  --muted: #6b7180;
  --line: #e4e7ec;
  --line-2: #d5d9e0;
  --blue: #1d5cff;
  --blue-ink: #1446cc;
  --blue-soft: #eaf0ff;
  --blue-tint: #f3f6ff;
  --ok: #12a26b;
  --ng: #e5484d;
  --nav: 64px;
  --wrap: 1160px;
  --radius: 20px;
  --shadow: 0 1px 2px rgba(21, 23, 28, 0.04), 0 8px 24px rgba(21, 23, 28, 0.06);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color-scheme: light;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", -apple-system, "Helvetica Neue", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: 16px; top: -48px; z-index: 30; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
.skip:focus { top: 12px; }

.wrap { width: min(var(--wrap), calc(100% - 80px)); margin-inline: auto; }

/* nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--nav);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(21, 23, 28, 0.08);
  box-shadow: 0 8px 24px rgba(21, 23, 28, 0.05);
}

.nav-inner { height: 100%; display: flex; align-items: center; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 17px; letter-spacing: 0.02em; }
.brand small { font-weight: 400; color: var(--muted); font-size: 13px; letter-spacing: 0.04em; }
.brand-mark { width: 40px; height: 32px; object-fit: contain; }

.nav-links { display: flex; align-items: center; gap: 4px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.nav-links > li { display: flex; align-items: center; }
.nav-links > li > a, .nav-trigger { display: inline-flex; align-items: center; justify-content: center; padding: 8px 14px; border-radius: 999px; text-decoration: none; font-size: 15px; font-weight: 600; color: #1a1f2b; line-height: 1; }
.nav-links > li > a:hover, .nav-trigger:hover { background: var(--blue-soft); color: var(--blue-ink); }
.nav-links > li > a[aria-current="page"] { background: var(--blue); color: #fff; }
.nav-links > li > a[aria-current="page"]:hover { background: var(--blue-ink); color: #fff; }
.nav-links a.btn, .nav-links a.btn:hover { background: var(--blue); color: #fff; }
.nav-links a.btn:hover { background: var(--blue-ink); }
.nav-item { position: relative; }
.nav-row { display: flex; align-items: center; }
.nav-subtoggle {
  display: none; width: 44px; height: 44px; border: 0; border-radius: 12px; background: transparent; color: var(--ink-2); cursor: pointer;
}
.nav-subtoggle::before { content: ""; display: block; width: 8px; height: 8px; margin: auto; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translate(-1px, -1px); }
.nav-item.is-open .nav-subtoggle::before { transform: rotate(225deg) translate(-1px, -1px); }
.nav-sub {
  display: none; position: absolute; top: calc(100% + 8px); left: 0; z-index: 30;
  min-width: 188px; margin: 0; padding: 8px; list-style: none;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
}
.nav-sub::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.nav-item:hover > .nav-sub, .nav-item:focus-within > .nav-sub { display: block; }
.nav-sub a { display: block; padding: 8px 12px; border-radius: 10px; text-decoration: none; color: var(--ink-2); font-size: 14px; white-space: nowrap; }
.nav-sub a:hover { background: var(--bg); color: var(--ink); }

.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 3px; border: 1px solid var(--line-2); border-radius: 999px; background: #fff;
}
.nav-links > li.lang-switch > a,
.nav-links > li.lang-switch > span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; padding: 6px 10px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.02em; line-height: 1;
  text-decoration: none; color: #5c6b82; background: transparent;
}
.nav-links > li.lang-switch > a:hover { background: var(--blue-soft); color: var(--blue-ink); }
.nav-links > li.lang-switch > span[aria-current="true"] { background: var(--blue); color: #fff; }
html[lang="en"] .nav .nav-inner { width: min(1360px, calc(100% - 40px)); }
html[lang="en"] .nav-links > li > a { padding: 8px 11px; font-size: 14px; white-space: nowrap; }
.nav-cta { display: flex; align-items: center; margin-left: 8px; align-self: center; }
.nav-cta .btn { line-height: 1; }

.nav-toggle { display: none; margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface); cursor: pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 16px; height: 1.5px; margin: auto; background: var(--ink); position: relative; transition: transform 0.2s var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }
.nav.is-open .nav-toggle span { background: transparent; }
.nav.is-open .nav-toggle span::before { transform: translateY(5px) rotate(45deg); }
.nav.is-open .nav-toggle span::after { transform: translateY(-5px) rotate(-45deg); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 20px; border-radius: 999px;
  border: 1px solid transparent; background: var(--blue); color: #fff;
  text-decoration: none; font-size: 15px; font-weight: 500; cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { background: var(--blue-ink); }
.btn.line { background: var(--surface); color: var(--ink); border-color: var(--line-2); }
.btn.line:hover { border-color: var(--ink-2); background: var(--surface); }
.btn.sm { min-height: 36px; padding: 0 14px; font-size: 14px; }

/* hero: full-bleed photo, white action bar */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #efeaf8;
}
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 88% center; }
.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.94) 42%, rgba(255,255,255,.72) 62%, rgba(255,255,255,.35) 100%);
}
.hero-copy { position: relative; width: min(var(--wrap), calc(100% - 48px)); margin: 0 auto; padding: 48px 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 20px; padding: 6px 12px 6px 8px;
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-ink);
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
}
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(29, 92, 255, 0.18); }

h1 {
  margin: 0;
  max-width: 12em;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 700;
}
h1 em { font-style: normal; color: var(--blue); }

.offer {
  margin: 14px 0 0;
  max-width: 22em;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--ink);
}
.offer em { font-style: normal; color: var(--blue); }

.lead { max-width: 34rem; margin: 16px 0 0; font-size: clamp(17px, 1.6vw, 19px); color: var(--ink-2); }

.slogan { margin: 18px 0 0; color: var(--muted); font-size: 14px; letter-spacing: 0.14em; }

.dock {
  display: flex; align-items: stretch; margin-top: 28px;
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow);
}
.dock a.dock-item {
  flex: 1; min-width: 0; padding: 14px 12px; text-decoration: none;
  border-right: 1px solid var(--line);
}
.dock a.dock-item strong { display: block; font-size: 15px; font-weight: 600; }
.dock a.dock-item span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; line-height: 1.4; }
.dock a.dock-item:hover { background: var(--blue-tint); }
.dock .btn { flex: none; align-self: stretch; height: auto; border-radius: 0; min-width: 128px; }

/* AI console */
.console {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(29, 92, 255, 0.12), var(--shadow);
  padding: 18px;
}

.console-head { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.console-head strong { color: var(--ink); font-weight: 600; }
.live { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; color: var(--ok); font-weight: 500; }
.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); animation: blink 1.6s ease-in-out infinite; }
.demo-tag { padding: 2px 8px; border-radius: 999px; background: var(--bg); font-size: 12px; }

@keyframes blink { 50% { opacity: 0.35; } }

.console-body { display: grid; grid-template-columns: 1.25fr 1fr; gap: 14px; margin-top: 14px; }

.stage {
  position: relative;
  aspect-ratio: 1;
  border-radius: 16px;
  background: linear-gradient(180deg, #f7f9fc, #eef2f8);
  border: 1px solid var(--line);
  overflow: hidden;
}

.stage.app { display: flex; flex-direction: column; padding: 16px; aspect-ratio: 1.05; background: linear-gradient(180deg, #f7f9fc, #eef2f8); }
.mods { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.mods li { padding: 6px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.mods li.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.sheet { flex: 1; display: flex; flex-direction: column; gap: 12px; margin-top: 14px; padding: 16px; border-radius: 14px; background: #fff; border: 1px solid var(--line); }
.sheet i { display: block; height: 12px; border-radius: 6px; background: #e6edf8; }
.sheet i.short { width: 62%; background: #d5e2ff; }

.scan {
  position: absolute; left: 0; right: 0; top: 0; height: 26%;
  background: linear-gradient(to bottom, transparent, rgba(29, 92, 255, 0.16) 70%, rgba(29, 92, 255, 0.55) 99%, transparent);
  animation: scan 3.2s linear infinite;
}
@keyframes scan { from { transform: translateY(-100%); } to { transform: translateY(400%); } }

.box {
  position: absolute;
  border: 1.5px solid var(--ng);
  border-radius: 6px;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.box span {
  position: absolute; left: -1.5px; bottom: 100%; margin-bottom: 4px;
  padding: 1px 6px; border-radius: 4px; background: var(--ng); color: #fff;
  font-size: 11px; white-space: nowrap;
}
.box.on { opacity: 1; transform: scale(1); }

.readout { display: flex; flex-direction: column; gap: 10px; }

.verdict {
  padding: 14px; border-radius: 14px; background: var(--bg);
  display: flex; align-items: baseline; justify-content: space-between;
}
.verdict small { color: var(--muted); font-size: 12px; }
.verdict b { font-size: 26px; letter-spacing: -0.02em; color: var(--blue); }

.meter { padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.meter div { display: flex; justify-content: space-between; }
.meter b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.bar { height: 6px; margin-top: 8px; border-radius: 6px; background: var(--bg); overflow: hidden; }
.bar i { display: block; height: 100%; width: 96%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), #5b8cff); transition: width 0.6s var(--ease); }

.log { flex: 1; min-height: 92px; padding: 10px 12px; border-radius: 14px; background: #0f1320; color: #c9d4ff; font: 12px/1.6 ui-monospace, "SF Mono", Menlo, monospace; overflow: hidden; }
.log p { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.log .ok { color: #5fe0a8; }
.log .ng { color: #ff8b8f; }

.twin-chip {
  position: absolute; left: -28px; bottom: -22px;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  font-size: 13px;
}
.twin-chip small { display: block; color: var(--muted); font-size: 12px; }
.stations { display: flex; gap: 4px; }
.stations i { width: 10px; height: 22px; border-radius: 3px; background: var(--blue-soft); }
.stations i.run { background: var(--blue); }

/* service strip in hero */
.svc-strip {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  padding: 32px 0 44px; margin: 0; list-style: none;
}
.svc-strip a {
  display: flex; gap: 14px; align-items: flex-start;
  height: 100%; padding: 18px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.86); border: 1px solid var(--line);
  text-decoration: none; transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.svc-strip a:hover { border-color: var(--blue); transform: translateY(-2px); }
.svc-strip strong { display: block; font-size: 16px; }
.svc-strip span { display: block; margin-top: 2px; color: var(--muted); font-size: 13px; line-height: 1.5; }

.ico { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); }
.ico svg { width: 22px; height: 22px; }

/* sections */
.section { padding: 96px 0; }
.section.white { background: var(--surface); border-block: 1px solid var(--line); }

.head { max-width: 40rem; margin-bottom: 44px; }
html[lang="en"] .head { max-width: 46rem; }
.kicker { margin: 0 0 10px; color: var(--blue); font-size: 13px; font-weight: 600; letter-spacing: 0.14em; }
h2 { margin: 0; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.15; letter-spacing: -0.03em; font-weight: 700; }
.head p { margin: 14px 0 0; color: var(--muted); font-size: 17px; }

.mosaic { display: grid; grid-template-columns: 1.25fr 1fr; gap: 16px; }
.tile { border-radius: 22px; padding: 32px; }
.tile.span { grid-row: span 2; background: #10233f; color: #fff; }
.tile.blue { background: #e7eeff; }
.tile.sand { background: #fff1e6; }
.tile h3 { margin: 8px 0 10px; font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.03em; }
.tile p { margin: 0; color: var(--ink-2); }
.tile.span p { color: rgba(255,255,255,.78); }
.tile .kicker { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; }
.tile.span .kicker { color: #9eb6ff; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.chips li { padding: 5px 12px; border-radius: 999px; background: rgba(255,255,255,.72); font-size: 13px; color: var(--ink-2); }
.tile.span .chips li { background: rgba(255,255,255,.1); color: #fff; }
.industry {
  grid-column: 1 / -1; display: grid; grid-template-columns: 180px 1fr; gap: 28px; align-items: center;
  padding: 26px 32px; border-radius: 22px; background: var(--surface); border: 1px solid var(--line);
}
.industry h3 { margin: 0 0 6px; font-size: 22px; }
.industry p { margin: 0; color: var(--ink-2); }

.biz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.biz { position: relative; border-radius: 22px; padding: 28px; background: #fff; border: 1px solid var(--line); scroll-margin-top: 80px; }
.biz > span { position: absolute; width: 1px; height: 1px; overflow: hidden; }
.biz-lead, .biz-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, .85fr);
  gap: 28px;
  align-items: center;
}
.biz-lead { background: #10233f; color: #fff; border: 0; }
.biz-wide { grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr); }
.biz-data { background: #e7eeff; border: 0; }
.biz:not(.biz-lead):not(.biz-wide) .fx { height: 300px; margin-bottom: 18px; }
.biz-vision { background: #fff1e6; border: 0; }
.biz h3 { margin: 0 0 8px; font-size: clamp(24px, 2.4vw, 32px); letter-spacing: -0.03em; }
.biz h3 a { text-decoration: none; }
.biz-lead h3 a { color: #fff; }
.biz p { margin: 0; color: var(--ink-2); }
.biz-lead p { color: rgba(255,255,255,.78); }
.biz-subs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.biz-subs li { scroll-margin-top: 88px; }
.biz-subs a { display: inline-block; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.72); color: var(--ink-2); text-decoration: none; font-size: 14px; }
.biz-subs a:hover { color: var(--blue-ink); }
.biz-lead .biz-subs a { background: rgba(255,255,255,.12); color: #fff; }
.biz-lead .biz-subs a:hover { color: #fff; background: rgba(255,255,255,.2); }

.fx {
  position: relative; height: 168px; border-radius: 16px; overflow: hidden;
  background: linear-gradient(180deg, #f8fafc, #eef3f8);
  border: 1px solid rgba(16, 35, 63, .08);
}
.fx-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.fx-twin { background: #fff; border-color: rgba(16, 35, 63, .08); }
.fx-twin .fx-canvas { cursor: default; }
.fx-twin.is-live { perspective: none; }
.fx.is-live > :not(.fx-canvas):not(.fx-tag):not(.fx-hint):not(.fx-zone):not(.fx-car):not(.fx-caption) { display: none !important; }
.fx-hint { position: absolute; left: 12px; top: 10px; z-index: 2; font-size: 12px; color: rgba(16, 35, 63, .5); pointer-events: none; }
.fx-twin .fx-hint { color: rgba(255, 255, 255, .72); }
.fx-zone {
  position: absolute; z-index: 2; pointer-events: none; white-space: nowrap;
  padding: 3px 8px; border-radius: 4px; transform: translate(-50%, -120%);
  background: rgba(2, 16, 31, .82); border: 1px solid currentColor;
  font-size: 12px; line-height: 1.2;
}
.fx-card {
  padding: 6px 8px 7px; border-radius: 5px; line-height: 1.35;
  background: linear-gradient(180deg, rgba(6, 26, 48, .94), rgba(3, 14, 28, .92));
  border-top-width: 2px;
}
.fx-zone.fx-bubble {
  transform: translate(-50%, calc(-100% - 7px)); padding: 3px 10px 4px; border: 0; border-radius: 6px;
  background: var(--c); color: #fff; text-align: center; line-height: 1.2;
  box-shadow: 0 2px 6px rgba(15, 23, 42, .25);
}
.fx-bubble b, .fx-bubble span { display: block; font-size: 12px; }
.fx-bubble b { font-weight: 700; }
.fx-bubble::after {
  content: ""; position: absolute; left: 50%; bottom: -6px; margin-left: -6px;
  border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 6px solid var(--c);
}
.biz-twin .fx-bubble { padding: 2px 7px 3px; }
.biz-twin .fx-bubble b, .biz-twin .fx-bubble span { font-size: 10px; }
.biz-twin .fx-card { padding: 4px 6px 5px; }
.biz-twin .fx-card b { font-size: 11px; }
.biz-twin .fx-card span { font-size: 10px; }
.fx-card span { display: block; color: #d5e4f5; font-size: 11px; }
.fx-vision .fx-car { position: absolute; left: 42%; top: 0; width: 58%; height: calc(100% - 28px); }
.fx-caption {
  position: absolute; left: 71%; bottom: 12px; z-index: 2; transform: translateX(-50%);
  color: #5c6b82; font-size: 13px; pointer-events: none;
}
.fx-tag { position: absolute; z-index: 2; pointer-events: none; white-space: nowrap; }
.fx-tag b { display: block; color: #7eb6ff; font-size: 14px; font-weight: 600; line-height: 1.2; }
.fx-tag span { display: block; color: #fff; font-size: 12px; line-height: 1.3; }
.fx-tag i { position: absolute; left: -16px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: #1d5cff; box-shadow: 0 0 0 6px rgba(29, 92, 255, .18); }
.biz-lead .fx { height: 280px; background: linear-gradient(180deg, #183258, #0e1c33); border-color: rgba(255,255,255,.08); }
.biz-wide .fx { height: 260px; }
.page .fx { height: 520px; margin: 28px 0 4px; }

.sw-desk {
  position: absolute; left: 14px; top: 16px; bottom: 16px; width: 62%;
  border-radius: 10px; background: #fff; overflow: hidden;
  box-shadow: 0 10px 24px rgba(16, 35, 63, .12);
}
.sw-top { display: flex; gap: 5px; align-items: center; height: 22px; padding: 0 8px; background: #eef2f8; }
.sw-top i { width: 7px; height: 7px; border-radius: 50%; background: #d5deea; }
.sw-top i:first-child { background: #1d5cff; }
.sw-body { display: flex; height: calc(100% - 22px); }
.sw-nav { width: 30%; padding: 10px 6px; background: #f4f7fb; }
.sw-nav b { display: block; height: 6px; margin: 0 0 8px; border-radius: 3px; background: #d7e0ec; transform-origin: left; }
.sw-nav b:nth-child(1) { animation: fx-nav 3.2s ease infinite; }
.sw-nav b:nth-child(2) { animation: fx-nav 3.2s ease .5s infinite; }
.sw-nav b:nth-child(3) { animation: fx-nav 3.2s ease 1s infinite; }
.sw-list { flex: 1; padding: 10px 8px; }
.sw-list i, .sw-phone i {
  display: block; height: 8px; margin-bottom: 8px; border-radius: 4px; background: #e7eef8;
  position: relative; overflow: hidden;
}
.sw-list i::after, .sw-phone i::after {
  content: ""; position: absolute; inset: 0; background: #1d5cff;
  transform: scaleX(0); transform-origin: left; animation: fx-fill 3.6s ease infinite;
}
.sw-list i:nth-child(2)::after { animation-delay: .35s; }
.sw-list i:nth-child(3)::after { animation-delay: .7s; }
.sw-phone {
  position: absolute; right: 12px; top: 26px; bottom: 16px; width: 22%;
  padding: 18px 6px 6px; border-radius: 12px; background: #fff; border: 2px solid #d5deea;
}
.sw-phone i { height: 6px; margin-bottom: 7px; }
.sw-phone i::after { animation-delay: .9s; }
.sw-phone i:nth-child(2)::after { animation-delay: 1.2s; }
.sw-phone i:nth-child(3)::after { animation-delay: 1.5s; }
.sw-flow, .sw-link { display: none; }
.sw-flow { position: absolute; inset: 0; align-items: center; justify-content: center; gap: 36px; }
.sw-flow span { position: absolute; left: 18%; right: 18%; height: 2px; background: #d5deea; }
.sw-flow span::after {
  content: ""; position: absolute; inset: 0; background: #1d5cff;
  transform: scaleX(0); transform-origin: left; animation: fx-fill 3.2s ease infinite;
}
.sw-flow b, .sw-link i {
  width: 16px; height: 16px; border-radius: 50%; background: #d5deea; position: relative; z-index: 1;
}
.sw-flow b:nth-child(2) { animation: fx-node 3.2s ease infinite; }
.sw-flow b:nth-child(3) { animation: fx-node 3.2s ease .6s infinite; }
.sw-flow b:nth-child(4) { animation: fx-node 3.2s ease 1.2s infinite; }
.sw-link { position: absolute; inset: 0; align-items: center; justify-content: space-between; padding: 0 18%; }
.sw-link i { width: 46px; height: 34px; border-radius: 8px; background: #fff; border: 1px solid #d5deea; }
.sw-link em {
  position: absolute; left: 28%; width: 10px; height: 10px; border-radius: 50%; background: #1d5cff;
  animation: fx-packet 2.4s ease-in-out infinite;
}
.fx-v-flow .sw-desk, .fx-v-flow .sw-phone, .fx-v-link .sw-desk, .fx-v-link .sw-phone,
.fx-v-access .sw-phone, .fx-v-admin .sw-phone,
.fx-v-wechat .sw-desk, .fx-v-android .sw-desk, .fx-v-ios .sw-desk { display: none; }
.fx-v-flow .sw-flow, .fx-v-link .sw-link { display: flex; }
.fx-v-wechat .sw-phone, .fx-v-android .sw-phone, .fx-v-ios .sw-phone {
  left: 50%; right: auto; width: 86px; top: 16px; transform: translateX(-50%);
}
.fx-v-wechat .sw-phone { border-color: #1d5cff; }
.fx-v-ios .sw-phone { border-radius: 18px; }

.fx-twin { perspective: 720px; }
.tw-floor {
  position: absolute; left: 50%; top: 54%; width: 210px; height: 120px; margin-left: -105px;
  transform: translateY(-58%) rotateX(58deg) rotateZ(-28deg); transform-style: preserve-3d;
  background: rgba(29, 92, 255, .14); border: 1px solid rgba(29, 92, 255, .4); border-radius: 6px;
}
.biz-lead .tw-floor { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); }
.tw-floor .m {
  position: absolute; width: 28px; height: 28px; border-radius: 4px; background: #1d5cff;
  box-shadow: 8px 8px 0 rgba(20, 70, 204, .35);
  animation: fx-glow 2.6s ease-in-out infinite;
}
.tw-floor .m:nth-child(1) { left: 18px; top: 16px; }
.tw-floor .m:nth-child(2) { left: 86px; top: 16px; animation-delay: .35s; background: #8eabd4; }
.tw-floor .m:nth-child(3) { left: 154px; top: 16px; background: #e23b3b; animation-name: fx-alarm; }
.tw-floor .m:nth-child(4) { left: 86px; top: 68px; animation-delay: .7s; }
.tw-floor .part {
  position: absolute; width: 12px; height: 12px; border-radius: 2px; background: #fff;
  box-shadow: 0 0 0 2px #1d5cff; animation: fx-travel 4s linear infinite;
}
.tw-bars { display: none; position: absolute; left: 16px; right: 16px; bottom: 16px; top: 28px; align-items: flex-end; gap: 10px; }
.tw-bars i { flex: 1; border-radius: 5px 5px 0 0; background: #1d5cff; transform-origin: bottom; animation: fx-bar 2.2s ease-in-out infinite alternate; }
.tw-bars i:nth-child(2) { animation-delay: .2s; height: 70%; }
.tw-bars i:nth-child(3) { animation-delay: .4s; height: 46%; }
.tw-bars i:nth-child(1) { height: 84%; }
.tw-bars i:nth-child(4) { animation-delay: .15s; height: 62%; background: #e23b3b; }
.fx-v-line .tw-floor { animation: fx-spin 8s ease-in-out infinite; }
.fx-v-state .part { display: none; }
.fx-v-sim .tw-floor { display: none; }
.fx-v-sim .tw-bars { display: flex; }
.fx-v-maintain .part { display: none; }
.fx-v-maintain .m:nth-child(3) { animation-duration: 1.1s; }

.vs-part {
  position: absolute; left: 12%; right: 30%; top: 14%; bottom: 14%;
  border-radius: 12px; overflow: hidden;
  background:
    repeating-linear-gradient(90deg, transparent 0 32px, rgba(29,92,255,.16) 32px 33px),
    repeating-linear-gradient(0deg, transparent 0 24px, rgba(16,35,63,.07) 24px 25px),
    linear-gradient(180deg, #fbfcfe, #e3ebf6);
  border: 1px solid #c5d0e0;
}
.vs-scan {
  position: absolute; left: 0; right: 0; height: 2px; background: #1d5cff;
  box-shadow: 0 0 16px 4px rgba(29, 92, 255, .45);
  animation: fx-scan 2.8s ease-in-out infinite;
}
.vs-mark {
  position: absolute; left: 54%; top: 42%; width: 22px; height: 16px;
  border: 2px solid #e23b3b; border-radius: 3px; opacity: 0;
  animation: fx-mark 2.8s ease-in-out infinite;
}
.vs-cam, .vs-out { display: none; }
.vs-cam { position: absolute; right: 8%; top: 18%; width: 54px; height: 40px; }
.vs-cam i { display: block; width: 54px; height: 34px; border-radius: 8px; background: #10233f; position: relative; }
.vs-cam i::after { content: ""; position: absolute; left: 16px; top: 8px; width: 18px; height: 18px; border-radius: 50%; border: 3px solid #7aa2ff; }
.vs-cam b {
  position: absolute; left: -70px; top: 8px; width: 70px; height: 18px;
  background: linear-gradient(90deg, rgba(29,92,255,0), rgba(29,92,255,.45));
  transform-origin: right center; animation: fx-beam 2.4s ease-in-out infinite;
}
.vs-out { position: absolute; right: 8%; top: 22%; bottom: 22%; width: 64px; border-radius: 8px; background: #fff; border: 1px solid #d5deea; }
.vs-out i { position: absolute; left: 10px; right: 10px; top: 14px; height: 6px; border-radius: 3px; background: #e7eef8; }
.vs-out em {
  position: absolute; left: -36px; top: 28px; width: 18px; height: 12px; border-radius: 3px; background: #e23b3b;
  animation: fx-send 2.8s ease-in-out infinite;
}
.fx-v-result .vs-out, .fx-v-ipc .vs-out, .fx-v-camera .vs-cam { display: block; }
.fx-v-camera .vs-part { opacity: .45; }
.fx-v-result .vs-part, .fx-v-ipc .vs-part { right: 38%; }

.da-screen { position: absolute; inset: 14px 14px 14px 14px; display: flex; align-items: flex-end; gap: 10px; }
.da-bars { display: flex; align-items: flex-end; gap: 8px; width: 100%; height: 100%; }
.da-bars i, .tw-bars i { display: block; }
.da-bars i {
  flex: 1; border-radius: 5px 5px 0 0; background: #1d5cff; transform-origin: bottom;
  animation: fx-bar 2.4s ease-in-out infinite alternate;
}
.da-bars i:nth-child(1) { height: 78%; }
.da-bars i:nth-child(2) { height: 52%; animation-delay: .15s; }
.da-bars i:nth-child(3) { height: 90%; animation-delay: .3s; background: #e23b3b; }
.da-bars i:nth-child(4) { height: 64%; animation-delay: .45s; }
.da-alert {
  position: absolute; top: 10px; right: 10px; width: 10px; height: 10px; border-radius: 50%; background: #e23b3b;
  box-shadow: 0 0 0 0 rgba(226, 59, 59, .6); animation: fx-ping 1.8s ease-out infinite;
}
.da-rows, .da-merge { display: none; }
.da-rows { position: absolute; inset: 18px 16px; flex-direction: column; justify-content: center; gap: 10px; }
.da-rows i { display: block; height: 8px; border-radius: 4px; background: #d7e2f2; position: relative; overflow: hidden; }
.da-rows i::after {
  content: ""; position: absolute; inset: 0; background: #1d5cff;
  transform: scaleX(0); transform-origin: left; animation: fx-fill 3.4s ease infinite;
}
.da-rows i:nth-child(2)::after { animation-delay: .25s; }
.da-rows i:nth-child(3)::after { animation-delay: .5s; }
.da-rows i:nth-child(4)::after { animation-delay: .75s; width: 60%; }
.da-merge { position: absolute; inset: 0; align-items: center; justify-content: center; }
.da-merge i {
  position: absolute; width: 14px; height: 14px; border-radius: 50%; background: #1d5cff;
  animation: fx-join 2.6s ease-in-out infinite;
}
.da-merge i:nth-child(1) { animation-name: fx-join-a; }
.da-merge i:nth-child(2) { animation-name: fx-join-b; animation-delay: .15s; }
.da-merge i:nth-child(3) { animation-name: fx-join-c; animation-delay: .3s; }
.da-merge em { width: 18px; height: 18px; border-radius: 50%; background: #10233f; }
.fx-v-report .da-screen { display: none; }
.fx-v-report .da-rows { display: flex; }
.fx-v-alert .da-bars { opacity: .35; }
.fx-v-alert .da-alert { width: 16px; height: 16px; top: 16px; right: 16px; }
.fx-v-sources .da-screen { display: none; }
.fx-v-sources .da-merge { display: flex; }

@keyframes fx-fill { 0%, 8% { transform: scaleX(0); } 42%, 78% { transform: scaleX(1); } 100% { transform: scaleX(0); } }
@keyframes fx-nav { 0%, 100% { transform: scaleX(.45); background: #d7e0ec; } 40%, 60% { transform: scaleX(1); background: #1d5cff; } }
@keyframes fx-node { 0%, 100% { background: #d5deea; } 35%, 70% { background: #1d5cff; } }
@keyframes fx-packet { 0% { left: 24%; } 50% { left: 68%; } 100% { left: 24%; } }
@keyframes fx-glow { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.35); } }
@keyframes fx-alarm { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.6); } }
@keyframes fx-travel {
  0% { left: 24px; top: 22px; } 30% { left: 94px; top: 22px; }
  55% { left: 162px; top: 22px; } 78% { left: 94px; top: 74px; } 100% { left: 24px; top: 22px; }
}
@keyframes fx-spin { 0%, 100% { transform: translateY(-58%) rotateX(58deg) rotateZ(-28deg); } 50% { transform: translateY(-58%) rotateX(58deg) rotateZ(-18deg); } }
@keyframes fx-bar { from { transform: scaleY(.4); } to { transform: scaleY(1); } }
@keyframes fx-scan { 0% { top: 6%; opacity: 0; } 12% { opacity: 1; } 72% { top: 86%; opacity: 1; } 100% { top: 86%; opacity: 0; } }
@keyframes fx-mark { 0%, 32% { opacity: 0; transform: scale(.86); } 46%, 90% { opacity: 1; transform: scale(1); } 100% { opacity: 0; } }
@keyframes fx-beam { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@keyframes fx-send { 0%, 30% { transform: translateX(0); opacity: 0; } 45% { opacity: 1; } 75%, 100% { transform: translateX(48px); opacity: 0; } }
@keyframes fx-ping { 0% { box-shadow: 0 0 0 0 rgba(226,59,59,.55); } 100% { box-shadow: 0 0 0 12px rgba(226,59,59,0); } }
@keyframes fx-join-a { 0%, 100% { transform: translate(-46px, -18px); } 55%, 75% { transform: translate(0, 0); } }
@keyframes fx-join-b { 0%, 100% { transform: translate(46px, -18px); } 55%, 75% { transform: translate(0, 0); } }
@keyframes fx-join-c { 0%, 100% { transform: translate(0, 32px); } 55%, 75% { transform: translate(0, 0); } }

.page { padding: 56px 0 0; }
.crumb { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.crumb a { color: var(--blue-ink); text-decoration: none; }
.page h1 { max-width: 14em; }
.page .lead { margin-top: 16px; }
.page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 32px; }
.page-card {
  display: block; padding: 22px 22px 20px; border-radius: 18px;
  background: #fff; border: 1px solid var(--line); text-decoration: none;
}
.slices { display: flex; flex-direction: column; gap: 14px; margin-top: 36px; }
.slice {
  display: grid; grid-template-columns: minmax(280px, 480px) minmax(0, 1fr);
  gap: 22px; align-items: center;
  padding: 18px; border-radius: 18px; background: #fff; border: 1px solid var(--line);
  scroll-margin-top: 88px;
}
.slice .fx { height: 280px; margin: 0; }
.slice h2 { font-size: 26px; letter-spacing: -0.02em; }
.slice p { margin: 8px 0 0; color: var(--ink-2); font-size: 16px; }
.page-card:hover { border-color: var(--blue); }
.page-card strong { display: block; font-size: 18px; }
.page-card span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.nav-trigger[aria-current="page"] { color: var(--blue-ink); font-weight: 600; }

.band { position: relative; min-height: 440px; display: flex; align-items: flex-end; overflow: hidden; background: #d9e4f5; }
.band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band-shade { position: absolute; inset: 0; background: linear-gradient(to top, rgba(16,35,63,.72), rgba(16,35,63,.05) 55%); }
.band .wrap { position: relative; padding: 48px 0; color: #fff; }
.band h2 { max-width: 16em; }

.scenes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.scene { padding: 0; overflow: hidden; background: #fff; border: 0; border-radius: 18px; box-shadow: var(--shadow); }
.scene img { width: 100%; height: 168px; object-fit: cover; }
.scene .body { padding: 16px 18px 20px; }
.scene .tag { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-ink); font-size: 12px; font-weight: 600; }
.scene h3 { margin: 12px 0 6px; font-size: 20px; letter-spacing: -0.02em; }
.scene p { margin: 0; color: var(--muted); font-size: 14px; }

.svc {
  padding: 32px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.svc .ico { width: 48px; height: 48px; border-radius: 14px; }
.svc .ico svg { width: 26px; height: 26px; }
.svc h3 { margin: 22px 0 8px; font-size: 24px; letter-spacing: -0.02em; }
.svc p { margin: 0; color: var(--ink-2); }
.svc ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.svc li { padding: 5px 12px; border-radius: 999px; background: var(--bg); color: var(--ink-2); font-size: 13px; }

.also {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px;
  margin-top: 18px; padding: 22px 28px; border-radius: var(--radius);
  background: var(--blue-tint); border: 1px solid #dbe4ff;
}
.also strong { font-size: 17px; }
.also p { margin: 0; color: var(--ink-2); flex: 1; min-width: 16rem; }

.scenes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.scene { padding: 26px 24px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
.scene .tag { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--surface); color: var(--blue-ink); font-size: 12px; font-weight: 500; }
.scene h3 { margin: 18px 0 8px; font-size: 20px; letter-spacing: -0.02em; }
.scene p { margin: 0; color: var(--muted); font-size: 15px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { position: relative; padding: 26px 22px 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); counter-increment: s; }
.steps li::before { content: "0" counter(s); display: block; color: var(--blue); font-weight: 600; font-size: 13px; letter-spacing: 0.1em; }
.steps h3 { margin: 10px 0 6px; font-size: 19px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.about p { margin: 0 0 14px; color: var(--ink-2); font-size: 17px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 0; }
.stats div { padding: 22px; border-radius: 18px; background: var(--bg); border: 1px solid var(--line); }
.stats dt { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.stats dt small { font-size: 18px; font-weight: 600; margin-left: 2px; }
.stats dd { margin: 6px 0 0; color: var(--muted); font-size: 14px; }

.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 16px; padding: 20px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 20px; color: var(--ink-2); }

.contact { padding: 72px 0 96px; }
.contact-card {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center;
  padding: 48px; border-radius: 28px; background: #10233f; color: #fff;
}
.contact-card h2 { font-size: clamp(30px, 3.6vw, 44px); }
.contact-card .kicker { color: #9eb6ff; }
.contact-card p { margin: 12px 0 0; color: rgba(255,255,255,.75); }
.phone-block { padding: 26px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.phone-block small { color: var(--muted); font-size: 13px; }
.phone { display: block; margin: 4px 0 18px; font-size: clamp(30px, 3.4vw, 40px); font-weight: 700; letter-spacing: -0.02em; text-decoration: none; font-variant-numeric: tabular-nums; }
.phone-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.more { padding: 64px 0 8px; }
.more h2 { margin: 0; text-align: center; font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.03em; }
.pills { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.pill {
  position: relative; display: grid; place-items: center; height: 108px;
  border-radius: 999px; overflow: hidden; text-decoration: none; color: #fff;
  font-size: 18px; font-weight: 600;
}
.pill img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pill::before { content: ""; position: absolute; inset: 0; background: rgba(16, 35, 63, .28); }
.pill span {
  position: relative; z-index: 1; text-align: center; padding: 8px 14px; line-height: 1.25;
  color: #10233f; background: rgba(255, 255, 255, .94); border-radius: 999px;
}
.pill small { display: block; margin-top: 2px; font-size: 12px; font-weight: 500; color: #3a3f4a; }
.pill-3d { background: linear-gradient(180deg, #f7f9fc, #e7eef8); color: #10233f; border: 1px solid rgba(16, 35, 63, .08); }
.pill-3d::before { display: none; }
.pill-3d span { background: none; padding: 0 14px; }
.pill-3d small { color: #3a3f4a; }
.points-title { margin: 36px 0 14px; font-size: 22px; }
.points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0; padding: 0; list-style: none; }
.points li { padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.points h3 { margin: 0 0 6px; font-size: 17px; }
.points p { margin: 0; color: var(--ink-2); font-size: 15px; }
.vs-show { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(240px, .8fr); gap: 18px; align-items: start; }
.vs-show .fx { height: 440px; margin: 0; }
.vs-show .uses { grid-template-columns: 1fr; }
.vs-show .use { padding: 16px 18px; }
.uses { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.use { padding: 22px 24px; background: #fff; border: 1px solid var(--line); border-radius: 16px; scroll-margin-top: 88px; }
.use h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.use p { margin: 0; color: var(--ink-2); font-size: 15px; }
.footer { padding: 48px 0 36px; background: #f6f7f9; color: #5c6b82; }
.foot-grid { display: grid; grid-template-columns: 1.1fr 1fr 1.3fr; gap: 28px 24px; }
.foot-grid h2 { margin: 0 0 10px; font-size: 15px; color: #10233f; }
.foot-grid a { display: block; padding: 5px 0; color: #5c6b82; text-decoration: none; font-size: 14px; }
.foot-grid a:hover { color: var(--blue-ink); }
.foot-note { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(16, 35, 63, .08); font-size: 13px; line-height: 1.4; }
.foot-phone { display: inline-flex; align-items: center; gap: 10px; color: #10233f; text-decoration: none; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.foot-phone em { font-style: normal; font-weight: 400; color: #5c6b82; }
@media (max-width: 1100px) {
  .pills { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .pill { flex: 0 0 220px; scroll-snap-align: start; }
}

.mobile-cta { display: none; }

dialog {
  width: min(420px, calc(100% - 32px)); padding: 28px;
  border: 1px solid var(--line); border-radius: 24px;
  background: var(--surface); color: var(--ink); box-shadow: 0 30px 80px rgba(21, 23, 28, 0.18);
}
dialog::backdrop { background: rgba(21, 23, 28, 0.32); backdrop-filter: blur(4px); }
dialog h2 { font-size: 24px; }
dialog p { margin: 8px 0 0; color: var(--muted); }
dialog .phone { margin: 14px 0 20px; }
.close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: var(--bg); color: var(--ink-2); cursor: pointer; font-size: 18px; }

@media (max-width: 1040px) {
  .hero-shade { background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(255,255,255,.82) 62%, rgba(255,255,255,.45)); }
  .mosaic, .industry, .scenes, .steps, .biz-grid { grid-template-columns: 1fr 1fr; }
  .tile.span { grid-row: auto; }
  .industry { grid-column: 1 / -1; }
  .about, .contact-card { grid-template-columns: 1fr; }
}

@media (max-width: 1240px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute; top: calc(var(--nav) + 8px); left: 12px; right: 12px;
    display: none; flex-direction: column; align-items: stretch; gap: 2px;
    margin: 0; padding: 10px;
    max-height: calc(100dvh - var(--nav) - 96px);
    overflow: auto;
    background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
    box-shadow: 0 20px 50px rgba(21, 23, 28, 0.14);
  }
  .nav-links > li > a, .nav-trigger { padding: 12px 14px; font-size: 16px; border-radius: 12px; }
  .nav-links > li.lang-switch { align-self: flex-start; margin: 4px 0; }
  .nav-links > li.lang-switch > a,
  .nav-links > li.lang-switch > span { min-width: 52px; padding: 8px 12px; font-size: 14px; }
  .nav-row { width: 100%; }
  .nav-trigger { flex: 1; }
  .nav-subtoggle { display: grid; place-items: center; }
  .nav-sub { position: static; min-width: 0; margin: 0 0 4px; border: 0; border-radius: 12px; box-shadow: none; background: var(--bg); }
  .nav-sub::before { display: none; }
  .nav-item:hover > .nav-sub, .nav-item:focus-within > .nav-sub { display: none; }
  .nav-item.is-open > .nav-sub { display: block; }
  .nav-cta { margin: 6px 0 0; }
  .nav-cta .btn { width: 100%; }
  .nav.is-open .nav-links { display: flex; }
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 32px); }
  .brand small { display: none; }
  .hero-grid { padding: 40px 0 24px; gap: 36px; }
  .console { margin-left: 0; padding: 14px; }
  .console-body { grid-template-columns: 1fr; }
  .stage { aspect-ratio: 4 / 3; }
  .twin-chip { position: static; margin-top: 12px; }
  .dock { display: grid; grid-template-columns: 1fr 1fr; }
  .dock a.dock-item { border-right: 0; border-bottom: 1px solid var(--line); padding: 12px 10px; }
  .dock a.dock-item:nth-child(5) { grid-column: 1 / -1; }
  .dock a.dock-item span { display: none; }
  .dock a.dock-item strong { font-size: 14px; white-space: nowrap; }
  .dock .btn { grid-column: 1 / -1; min-height: 44px; border-radius: 0; }
  .hero-copy { padding-top: 28px; }
  .slogan { display: none; }
  .mosaic, .industry, .scenes, .steps, .stats, .biz-grid, .page-grid { grid-template-columns: 1fr; }
  .industry { grid-template-columns: 1fr; gap: 8px; }
  .hero { min-height: 0; }
  .svc-strip { padding-bottom: 32px; }
  .section { padding: 72px 0; }
  .svc { padding: 24px; }
  .contact { padding-top: 48px; }
  .contact-card { padding: 28px 22px; }
  .points, .uses, .vs-show { grid-template-columns: 1fr; }
  .vs-show .fx { height: 280px; }
  .pills { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .pill { flex: 0 0 210px; scroll-snap-align: start; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .footer { padding-bottom: 108px; }
  .mobile-cta {
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 25;
    display: flex; gap: 8px; padding: 8px;
    background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--line); border-radius: 999px; box-shadow: 0 10px 30px rgba(21, 23, 28, 0.12);
  }
  .mobile-cta .btn { flex: 1; }
}

@media (max-width: 800px) {
  .biz-lead, .biz-wide, .slice { grid-template-columns: 1fr; }
  .biz-lead .fx, .biz-wide .fx, .slice .fx, .page .fx, .biz:not(.biz-lead):not(.biz-wide) .fx { height: 320px; }
  .page .fx-data { height: 560px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scan, .live::before, .fx, .fx * { animation: none; }
  .scan { transform: translateY(150%); }
  .sw-list i::after, .sw-phone i::after, .da-rows i::after, .sw-flow span::after { transform: scaleX(.72); }
  .vs-mark, .da-alert { opacity: 1; }
}