/* V4 is self-contained: do not change the shared stylesheet for this draft. */
:root {
  color-scheme: light;
  --v4-paper: #fff;
  --v4-mineral: #f0f5f2;
  --v4-forest: #075c43;
  --v4-forest-dark: #034c37;
  --v4-ink: #192f27;
  --v4-muted: #53665d;
  --v4-line: #d9e4dd;
  --v4-mint: #d7e9dd;
  --v4-display: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --v4-body: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --v4-utility: "Bahnschrift", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--v4-header-height, 77px) + 20px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--v4-paper); color: var(--v4-ink); font-family: var(--v4-body); font-size: 16px; line-height: 1.7; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
img, video { display: block; max-width: 100%; }
img { height: auto; }
svg { display: block; }
figure, p, h1, h2, h3, dl, dd { margin: 0; }
h1, h2, h3 { font-family: var(--v4-display); font-weight: 600; letter-spacing: -.045em; line-height: 1.3; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--v4-forest); outline-offset: 5px; border-radius: 4px; }
.v4-contact :focus-visible { outline-color: #d7e9dd; }
.v4-shell { width: calc(100% - 112px); max-width: 1248px; margin-inline: auto; }
.v4-skip { position: fixed; top: 10px; left: 16px; z-index: 50; padding: 12px 20px; color: #fff; background: var(--v4-forest); transform: translateY(-170%); }
.v4-skip:focus { transform: none; }
.v4-preview-bar { background: #e6eeea; color: #425d4e; font-size: 11px; letter-spacing: .02em; }
.v4-preview-bar .v4-shell { display: flex; align-items: center; justify-content: space-between; min-height: 30px; }
.v4-preview-bar b { margin-left: 5px; font-family: var(--v4-utility); font-weight: 600; }
.v4-preview-bar a { padding-block: 4px; }
.v4-preview-bar a:hover { text-decoration: underline; }
.v4-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--v4-line); background: #fff; }
.v4-header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.v4-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.v4-brand strong { font-size: 19px; letter-spacing: -.02em; white-space: nowrap; }
.v4-brand strong span { font-weight: 500; }
.v4-brand-description { padding-left: 16px; margin-left: 5px; border-left: 1px solid var(--v4-line); color: var(--v4-muted); font-size: 11px; }
.v4-nav { display: flex; align-items: center; gap: 26px; font-size: 13px; }
.v4-nav > a:not(.v4-button) { padding-block: 12px; }
.v4-nav > a:not(.v4-button):hover { color: var(--v4-forest); }
.v4-button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 52px; padding: 14px 24px; background: var(--v4-forest); border: 1px solid var(--v4-forest); border-radius: 6px; color: #fff; font-size: 14px; font-weight: 600; transition: background .18s ease, border-color .18s ease; }
.v4-button svg { width: 20px; height: 20px; }
.v4-button:hover { background: var(--v4-forest-dark); border-color: var(--v4-forest-dark); color: #fff; }
.v4-button-small { min-height: 42px; padding: 9px 17px; gap: 14px; font-size: 13px; }
.v4-menu-toggle { display: none; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--v4-line); border-radius: 6px; color: var(--v4-ink); background: #fff; }
.v4-menu-toggle svg { width: 22px; height: 22px; }
.v4-eyebrow { display: flex; align-items: center; gap: 12px; color: var(--v4-forest); font-family: var(--v4-utility); font-size: 11px; font-weight: 600; letter-spacing: .13em; }
.v4-eyebrow-line { width: 28px; height: 2px; background: currentColor; }
.v4-hero { background: var(--v4-mineral); }
.v4-hero-grid { display: grid; grid-template-columns: 1fr 1.06fr; align-items: center; gap: 56px; padding-top: 60px; padding-bottom: 48px; }
.v4-hero-copy h1 { margin-top: 23px; font-size: clamp(38px, 4.5vw, 62px); line-height: 1.25; letter-spacing: -.05em; }
.v4-hero-copy em { color: var(--v4-forest); font-style: normal; }
.v4-hero-lead { margin-top: 23px; color: var(--v4-muted); font-size: 16px; line-height: 1.95; }
.v4-hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 30px; }
.v4-text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--v4-forest); font-size: 14px; font-weight: 600; min-height: 44px; }
.v4-text-link svg { width: 20px; height: 20px; transition: transform .18s ease; }
.v4-text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.v4-text-link:hover svg { transform: translateX(3px); }
.v4-hero-platforms { margin-top: 30px; font-size: 11px; color: var(--v4-muted); }
.v4-hero-platforms span { padding-inline: 8px; color: #658372; }
.v4-hero-visual { position: relative; min-width: 0; height: 382px; overflow: hidden; border-radius: 10px 10px 64px 10px; background: #d8e3dc; }
.v4-hero-photo { width: 100%; height: 100%; object-fit: cover; object-position: 66% center; }
.v4-hero-visual::after { content: ""; position: absolute; inset: 50% 0 0; background: linear-gradient(transparent, rgba(5,36,26,.72)); pointer-events: none; }
.v4-hero-photo-top { position: absolute; top: 20px; left: 22px; display: flex; align-items: center; gap: 8px; padding: 7px 11px; border-radius: 4px; color: #23392e; background: rgba(255,255,255,.9); font-size: 10px; }
.v4-photo-dot { width: 6px; height: 6px; background: var(--v4-forest); border-radius: 50%; }
.v4-hero-signal { position: absolute; top: 91px; left: 24px; width: 142px; padding: 10px; border: 1px solid rgba(207,230,214,.5); background: rgba(17,49,34,.54); color: #e1f8e8; border-radius: 5px; }
.v4-hero-signal span { display: block; margin-top: 4px; font-family: var(--v4-utility); font-size: 8px; letter-spacing: .12em; }
.v4-hero-photo-bottom { position: absolute; z-index: 1; bottom: 26px; left: 25px; color: #fff; }
.v4-hero-photo-bottom > span { font-size: 10px; color: #e1ebe4; }
.v4-hero-photo-bottom strong { display: block; margin-top: 5px; font-size: 21px; font-weight: 500; letter-spacing: -.02em; }
.v4-hero-photo-bottom strong span { margin-inline: 9px; color: #c9e6d2; }
.v4-capability-shortcuts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #d0dfd6; }
.v4-capability-shortcuts > a { display: flex; align-items: center; gap: 17px; min-height: 108px; padding: 18px 24px 18px 0; transition: color .18s ease; }
.v4-capability-shortcuts > a + a { border-left: 1px solid #d0dfd6; padding-left: 32px; }
.v4-shortcut-icon { color: var(--v4-forest); flex-shrink: 0; }
.v4-shortcut-icon svg { width: 29px; height: 29px; }
.v4-capability-shortcuts strong { font-size: 17px; font-weight: 600; }
.v4-capability-shortcuts div > span { display: block; margin-top: 2px; color: var(--v4-muted); font-size: 11px; }
.v4-shortcut-arrow { margin-left: auto; color: #526e5d; font-size: 19px; }
.v4-capability-shortcuts > a:hover { color: var(--v4-forest); }
.v4-section { padding-block: 90px; }
.v4-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 36px; }
.v4-section-heading h2 { margin-top: 12px; font-size: clamp(25px, 2.8vw, 38px); }
.v4-section-heading > p { max-width: 300px; padding-bottom: 5px; color: var(--v4-muted); font-size: 13px; }
.v4-algorithm-nav { position: sticky; top: var(--v4-header-height, 77px); z-index: 10; display: flex; border-bottom: 1px solid var(--v4-line); background: #fff; }
.v4-algorithm-nav > a { position: relative; flex: 1; display: flex; align-items: center; gap: 16px; min-width: 0; min-height: 84px; padding: 18px 26px; color: var(--v4-muted); transition: color .18s ease, background .18s ease; }
.v4-algorithm-nav > a::after { content: ""; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; background: transparent; }
.v4-algorithm-nav > a:hover { color: var(--v4-forest); background: #f6f9f7; }
.v4-algorithm-nav > a[aria-current="location"] { background: var(--v4-mineral); color: var(--v4-forest); }
.v4-algorithm-nav > a[aria-current="location"]::after { background: var(--v4-forest); }
.v4-tab-icon svg { width: 29px; height: 29px; }
.v4-algorithm-nav strong { display: block; font-size: 18px; font-weight: 600; }
.v4-algorithm-nav small { display: block; font-family: var(--v4-utility); font-size: 9px; letter-spacing: .06em; margin-top: 3px; }
.v4-anchor-arrow { margin-left: auto; flex-shrink: 0; }
.v4-anchor-arrow svg { width: 18px; height: 18px; transform: rotate(90deg); }
.v4-algorithm-panel { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0 54px; padding-top: 32px; scroll-margin-top: var(--v4-algorithm-nav-height, 85px); }
.v4-algorithm-panel + .v4-algorithm-panel { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--v4-line); }
/* Fragment targets receive focus for keyboard reading, without framing the article. */
.v4-algorithm-panel:focus-visible { outline: none; }
.v4-algorithm-media { position: relative; min-width: 0; min-height: 400px; border-radius: 8px; overflow: hidden; background: #dfe8e1; }
.v4-algorithm-media > img { position: absolute; inset: 0; height: 100%; width: 100%; object-fit: cover; object-position: 65% center; }
.v4-photo-label { position: absolute; top: 18px; left: 18px; background: rgba(255,255,255,.93); color: #455b4e; font-size: 10px; padding: 5px 9px; border-radius: 3px; }
.v4-signal-card { position: absolute; display: flex; align-items: center; gap: 14px; bottom: 24px; left: 24px; right: 24px; padding: 18px; border: 1px solid rgba(255,255,255,.65); border-radius: 7px; background: rgba(250,253,251,.95); color: var(--v4-forest); }
.v4-signal-icon { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 42px; height: 42px; border-radius: 6px; background: #e5f0e9; }
.v4-signal-icon svg { width: 27px; height: 27px; }
.v4-signal-card > div > span { font-size: 10px; color: var(--v4-muted); }
.v4-signal-card strong { display: block; font-size: 17px; line-height: 1.45; font-weight: 600; white-space: nowrap; }
.v4-mini-wave { width: 72px; margin-left: auto; flex-shrink: 0; opacity: .8; }
.v4-algorithm-copy { padding-block: 5px; }
.v4-algorithm-benefit { font-size: 11px; color: var(--v4-forest); letter-spacing: .08em; }
.v4-algorithm-copy > p.v4-algorithm-benefit { margin-top: 0; color: var(--v4-forest); font-size: 11px; }
.v4-algorithm-copy h3 { margin-top: 17px; font-size: clamp(25px, 2.7vw, 35px); }
.v4-algorithm-copy > p { margin-top: 17px; color: var(--v4-muted); font-size: 14px; line-height: 1.9; }
.v4-algorithm-facts { margin-top: 22px; border-top: 1px solid var(--v4-line); }
.v4-algorithm-facts > div { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding-block: 10px; border-bottom: 1px solid var(--v4-line); font-size: 12px; }
.v4-algorithm-facts dt { color: var(--v4-muted); flex-shrink: 0; }
.v4-algorithm-facts dd { font-weight: 500; text-align: right; }
.v4-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 17px; }
.v4-tags span { padding: 3px 9px; background: var(--v4-mineral); border-radius: 3px; font-size: 10px; color: #496152; }
.v4-algorithm-copy > .v4-text-link { margin-top: 16px; }
.v4-architecture { margin-bottom: 36px; padding: 28px; background: var(--v4-mineral); }
.v4-architecture > h3 { font-size: 20px; letter-spacing: -.02em; }
.v4-architecture-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 46px; list-style: none; margin: 24px 0 0; padding: 0; }
.v4-architecture-flow > li { position: relative; display: flex; flex-direction: column; justify-content: center; min-width: 0; min-height: 172px; padding: 20px 16px; border: 1px solid #bbcdc0; background: #fff; }
.v4-architecture-layer { color: var(--v4-muted); font-size: 12px; }
.v4-architecture-flow strong { margin-top: 7px; font-size: 23px; font-weight: 600; line-height: 1.4; }
.v4-architecture-flow p { margin-top: 12px; font-size: 12px; line-height: 1.8; }
.v4-architecture-flow small { margin-top: 4px; color: var(--v4-muted); font-size: 11px; }
.v4-architecture-flow .v4-architecture-engine { border-color: #9ab7a6; }
.v4-architecture-engine strong { color: var(--v4-forest); }
.v4-architecture-connector { position: absolute; right: -46px; top: 50%; display: flex; width: 44px; flex-direction: column; align-items: center; color: var(--v4-forest); transform: translateY(-50%); }
.v4-architecture-connector > span { font-size: 9px; white-space: nowrap; }
.v4-architecture-connector > svg { width: 32px; height: 24px; }
.v4-architecture figcaption { max-width: 72ch; margin-top: 22px; color: var(--v4-muted); font-size: 12px; line-height: 1.9; }
.v4-advantages { background: #f6f8f6; }
.v4-advantages-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--v4-line); }
.v4-advantages-grid > article { display: flex; flex-direction: column; min-width: 0; padding: 34px 30px 0; }
.v4-advantages-grid > article:first-child { padding-left: 0; }
.v4-advantages-grid > article:last-child { padding-right: 0; }
.v4-advantages-grid > article + article { border-left: 1px solid var(--v4-line); }
.v4-advantage-icon { width: 62px; height: 62px; color: var(--v4-forest); }
.v4-advantage-icon svg { width: 100%; height: 100%; }
.v4-advantages-grid h3 { margin-top: 24px; font-size: 21px; letter-spacing: -.025em; }
.v4-advantages-grid p { margin-top: 14px; color: var(--v4-muted); font-size: 13px; line-height: 1.95; }
.v4-advantages-grid small { display: block; padding-top: 18px; margin-top: auto; color: var(--v4-forest); font-size: 11px; }
.v4-device-rail { display: grid; grid-template-columns: repeat(3, 1fr); padding: 28px 0; border-block: 1px solid var(--v4-line); }
.v4-device-rail > div { display: flex; align-items: center; gap: 17px; padding-right: 20px; }
.v4-device-rail > div + div { border-left: 1px solid var(--v4-line); padding-left: 28px; }
.v4-device-rail svg { width: 59px; height: 37px; color: var(--v4-forest); flex-shrink: 0; }
.v4-device-rail strong { display: block; font-size: 15px; font-weight: 500; }
.v4-device-rail small { display: block; color: var(--v4-muted); font-size: 10px; margin-top: 4px; }
.v4-integration-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 42px; }
.v4-integration-grid h3 { font-size: 20px; letter-spacing: -.025em; }
.v4-integration-grid p { margin-top: 15px; color: var(--v4-muted); font-size: 13px; line-height: 1.9; }
.v4-integration-grid article > span { display: block; margin-top: 17px; color: var(--v4-forest); font-size: 11px; }
.v4-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 45px 0 0; padding: 25px 0 0; border-top: 1px solid var(--v4-line); list-style: none; }
.v4-process li { display: flex; align-items: start; gap: 13px; }
.v4-process li > span { font-family: var(--v4-utility); color: #718d7d; font-size: 15px; line-height: 1.5; }
.v4-process strong { font-size: 13px; font-weight: 600; }
.v4-process p { margin-top: 3px; color: var(--v4-muted); font-size: 10px; }
.v4-product-proof { border-top: 1px solid var(--v4-line); background: var(--v4-mineral); }
.v4-proof-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.v4-proof-media video { aspect-ratio: 16 / 9; width: 100%; background: #25372e; border-radius: 8px; }
.v4-proof-media > p { margin-top: 12px; font-size: 10px; color: var(--v4-muted); }
.v4-proof-grid h2 { font-size: 35px; margin-top: 16px; }
.v4-proof-grid > div > p:not(.v4-eyebrow):not(.v4-proof-caption) { margin-top: 17px; color: var(--v4-muted); font-size: 14px; line-height: 1.9; }
.v4-proof-grid .v4-text-link { margin-top: 20px; }
.v4-proof-caption { margin-top: 18px; font-size: 11px; color: var(--v4-forest); line-height: 1.8; }
.v4-contact { padding-block: 72px; background: var(--v4-forest); color: #fff; }
.v4-contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 64px; }
.v4-contact .v4-eyebrow { color: #cae6d5; }
.v4-contact h2 { font-size: clamp(28px, 3.2vw, 42px); margin-top: 18px; }
.v4-contact-grid > div > p:not(.v4-eyebrow) { margin-top: 20px; font-size: 13px; color: #d9ece2; line-height: 1.9; }
.v4-contact-actions { padding-left: 32px; border-left: 1px solid #4d8971; }
.v4-contact-actions > span { display: block; font-size: 11px; color: #d7e9de; }
.v4-contact-email { display: block; width: fit-content; font-family: var(--v4-utility); font-size: clamp(20px, 2.2vw, 28px); margin-top: 5px; line-height: 1.5; }
.v4-contact-email:hover { text-decoration: underline; text-underline-offset: 6px; }
.v4-button-light { background: #e3f0e8; border-color: #e3f0e8; color: #07563e; margin-top: 26px; }
.v4-button-light:hover { background: #fff; border-color: #fff; color: #07563e; }
.v4-copy-email { padding: 11px 9px; margin-left: 12px; border: 0; color: #e5f2ea; background: transparent; font-size: 12px; min-height: 44px; }
.v4-copy-email:hover { text-decoration: underline; text-underline-offset: 5px; }
.v4-contact-actions .v4-copy-status { min-height: 19px; margin-top: 8px; font-size: 11px; color: #e5f2ea; }
.v4-footer { padding-block: 26px; }
.v4-footer .v4-shell { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.v4-footer .v4-brand strong { font-size: 16px; }
.v4-footer p { color: var(--v4-muted); font-size: 11px; }
.v4-footer nav { display: flex; align-items: center; gap: 20px; margin-left: auto; font-size: 11px; color: var(--v4-muted); }
.v4-footer nav a:hover { text-decoration: underline; }
.v4-footer small { font-size: 10px; color: var(--v4-muted); }

/* Business evaluation: compact ecosystem proof, measurable outcomes and a direct enquiry. */
::selection { background: #d7e9dd; color: #034c37; }
.v4-trust { padding-block: 34px 38px; border-bottom: 1px solid var(--v4-line); }
.v4-trust-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.v4-trust-heading h2 { font-size: 18px; letter-spacing: -.025em; }
.v4-trust-heading p { font-size: 12px; color: var(--v4-muted); }
.v4-trust-rail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.v4-trust-rail > a { padding-inline: 26px; min-width: 0; }
.v4-trust-rail > a:first-child { padding-left: 0; }
.v4-trust-rail > a:last-child { padding-right: 0; }
.v4-trust-rail > a + a { border-left: 1px solid var(--v4-line); }
.v4-trust-rail span, .v4-trust-rail small { display: block; color: var(--v4-muted); font-size: 11px; }
.v4-trust-rail strong { display: block; margin-block: 8px; font-size: 20px; font-weight: 600; letter-spacing: -.025em; line-height: 1.45; }
.v4-trust-rail .v4-trust-platforms { font-size: 16px; letter-spacing: -.015em; padding-block: 3px; }
.v4-trust-rail a:hover strong { color: var(--v4-forest); text-decoration: underline; text-underline-offset: 5px; }
.v4-performance { padding-bottom: 38px; }
.v4-performance .v4-section-heading h2 { letter-spacing: -.035em; text-wrap: balance; }
.v4-outcome-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--v4-line); }
.v4-outcome-metrics article { min-width: 0; padding: 32px 38px 30px; }
.v4-outcome-metrics article:first-child { padding-left: 0; }
.v4-outcome-metrics article + article { border-left: 1px solid var(--v4-line); }
.v4-outcome-metrics h3 { font-size: 15px; letter-spacing: 0; }
.v4-outcome-metrics .v4-metric-value { margin-block: 15px 6px; color: var(--v4-forest); font-family: var(--v4-utility); font-variant-numeric: tabular-nums; font-size: clamp(40px, 4vw, 56px); font-weight: 600; line-height: 1.2; letter-spacing: -.025em; }
.v4-metric-value span { font-size: .5em; font-weight: 400; }
.v4-metric-value span:first-child { margin-right: 7px; }
.v4-metric-value span:last-child { margin-left: 4px; }
.v4-outcome-metrics article > strong { font-size: 13px; font-weight: 500; }
.v4-outcome-metrics article > p:last-child { margin-top: 8px; color: var(--v4-muted); font-size: 12px; }
.v4-engineering-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--v4-line); }
.v4-engineering-metrics > div { min-width: 0; padding: 25px 38px; }
.v4-engineering-metrics > div:first-child { padding-left: 0; }
.v4-engineering-metrics dt { color: var(--v4-muted); font-size: 12px; }
.v4-engineering-metrics dd { margin-top: 7px; }
.v4-engineering-metrics dd strong { font-family: var(--v4-utility); font-size: 28px; line-height: 1.3; font-weight: 500; font-variant-numeric: tabular-nums; }
.v4-engineering-metrics dd > span { margin-left: 7px; font-size: 12px; }
.v4-engineering-metrics dd > p { margin-top: 7px; color: var(--v4-muted); font-size: 11px; }
.v4-performance-note { display: flex; align-items: center; gap: 15px; padding-top: 15px; font-size: 11px; color: var(--v4-muted); }
.v4-performance-note .v4-text-link { margin-left: auto; font-size: 12px; }
.v4-proof-actions { display: flex; flex-wrap: wrap; gap: 0 25px; }
.v4-contact-grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.v4-contact-intro { min-width: 0; }
.v4-contact-channels { display: grid; grid-template-columns: minmax(0, 1fr) 128px; align-items: center; gap: 28px; min-width: 0; padding-left: 38px; border-left: 1px solid #4d8971; }
.v4-contact-intro h2 { margin-top: 0; letter-spacing: -.035em; text-wrap: balance; }
.v4-contact-intro > p { max-width: 430px; }
.v4-contact-cta { margin-top: 26px; }
.v4-contact-email-group { min-width: 0; }
.v4-contact-label { font-size: 12px; color: #d7e9de; }
.v4-contact-email-group .v4-contact-email { font-size: clamp(18px, 2vw, 25px); overflow-wrap: anywhere; }
.v4-contact-email-group .v4-copy-email { padding-left: 0; margin-left: 0; }
.v4-copy-status { min-height: 0; font-size: 12px; color: #e5f2ea; }
.v4-contact-qr { width: 128px; }
.v4-contact-qr img { display: block; width: 128px; height: 128px; border-radius: 4px; background: #fff; }
.v4-contact-qr figcaption { margin-top: 8px; text-align: center; font-size: 12px; color: #d7e9de; }
.v4-inquiry-form { position: relative; padding: 30px; border-radius: 12px; background: #fff; color: var(--v4-ink); min-width: 0; }
.v4-inquiry-form h3 { font-size: 24px; letter-spacing: -.025em; }
.v4-form-intro { margin-top: 7px; margin-bottom: 23px; font-size: 13px; color: var(--v4-muted); }
.v4-form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.v4-field { min-width: 0; margin-bottom: 17px; }
.v4-field > label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 600; }
.v4-field label > span { font-size: 11px; font-weight: 400; color: var(--v4-muted); }
.v4-field input, .v4-field select, .v4-field textarea { display: block; width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid #7d8c82; border-radius: 5px; background: #fff; color: var(--v4-ink); font-size: 14px; line-height: 1.5; caret-color: var(--v4-forest); }
.v4-field textarea { min-height: 100px; resize: vertical; }
.v4-field select { cursor: pointer; }
.v4-field input::placeholder, .v4-field textarea::placeholder { color: #66766c; opacity: 1; }
.v4-field [aria-invalid="true"] { border-color: #a32b24; }
.v4-inquiry-form :focus-visible { outline-color: var(--v4-forest); }
.v4-field-hint { display: block; margin-top: 5px; font-size: 11px; color: var(--v4-muted); }
.v4-form-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.v4-form-consent { display: flex; align-items: start; gap: 9px; padding-block: 5px; margin-bottom: 17px; cursor: pointer; min-height: 44px; }
.v4-form-consent input { width: 17px; height: 17px; flex-shrink: 0; margin: 2px 0 0; accent-color: var(--v4-forest); }
.v4-form-consent > span { font-size: 11px; color: var(--v4-muted); line-height: 1.9; }
.v4-form-consent a { color: var(--v4-forest); text-decoration: underline; text-underline-offset: 3px; }
.v4-inquiry-submit { width: 100%; justify-content: center; min-height: 50px; }
.v4-inquiry-submit:disabled { cursor: wait; opacity: .75; }
.v4-form-status { min-height: 21px; margin-top: 12px; font-size: 12px; line-height: 1.75; color: var(--v4-muted); }
.v4-form-status[data-state="error"] { color: #a32b24; }
.v4-form-status[data-state="success"] { color: var(--v4-forest); }
.v4-receipt { max-width: 720px; padding-block: 80px; }
.v4-receipt h1 { margin-block: 35px 18px; font-size: 36px; }
.v4-receipt p { margin-bottom: 28px; color: var(--v4-muted); }
.v4-contact-page { min-height: 100vh; background: var(--v4-mineral); }
.v4-contact-page .v4-header { background: #fff; }
.v4-contact-back { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 13px; color: var(--v4-forest); }
.v4-contact-back svg { width: 18px; height: 18px; transform: rotate(180deg); }
.v4-contact-back:hover { text-decoration: underline; text-underline-offset: 4px; }
.v4-contact-page-main { max-width: 680px; width: calc(100% - 40px); margin-inline: auto; padding-block: 32px 0; }
.v4-contact-page h1 { font-size: clamp(30px, 4vw, 40px); letter-spacing: -.035em; line-height: 1.25; }
.v4-contact-page-lead { margin-top: 14px; font-size: 15px; line-height: 1.9; color: var(--v4-muted); }
.v4-contact-page .v4-inquiry-form { margin-top: 24px; padding: 28px; }
.v4-contact-page .v4-inquiry-form textarea { min-height: 104px; }
.v4-contact-page-email { padding-top: 24px; text-align: center; font-size: 12px; color: var(--v4-muted); }
.v4-contact-page-email .site-email-address { display: inline-block; min-height: 44px; line-height: 44px; font-size: 14px; font-weight: 600; color: var(--v4-forest); }
.v4-contact-page-footer { padding: 20px; text-align: center; font-size: 11px; color: var(--v4-muted); }
@media (max-width: 1100px) {
  .v4-trust-rail > a { padding-inline: 18px; }
  .v4-trust-rail strong { font-size: 17px; }
  .v4-trust-rail .v4-trust-platforms { font-size: 14px; }
  .v4-contact-grid { gap: 38px; }
  .v4-contact-channels { grid-template-columns: minmax(0, 1fr) 112px; padding-left: 24px; gap: 20px; }
  .v4-contact-qr, .v4-contact-qr img { width: 112px; }
  .v4-contact-qr img { height: 112px; }
  .v4-inquiry-form { padding: 25px; }
}
@media (max-width: 800px) {
  .v4-trust-heading { align-items: start; flex-direction: column; gap: 8px; margin-bottom: 23px; }
  .v4-trust-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 25px 0; }
  .v4-trust-rail > a:nth-child(odd) { padding-left: 0; border-left: 0; }
  .v4-trust-rail > a:nth-child(even) { padding-left: 24px; }
  .v4-trust-rail strong { font-size: 19px; }
  .v4-outcome-metrics article { padding-inline: 24px; }
  .v4-engineering-metrics > div { padding-inline: 24px; }
  .v4-performance { padding-bottom: 28px; }
  .v4-contact .v4-contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .v4-contact-channels { border-left: 0; border-top: 1px solid #4d8971; padding: 28px 0 0; }
}
@media (max-width: 560px) {
  .v4-trust { padding-block: 28px; }
  .v4-trust-heading h2 { font-size: 17px; }
  .v4-trust-heading p { font-size: 11px; line-height: 1.8; }
  .v4-trust-rail > a { padding-right: 12px; }
  .v4-trust-rail > a:nth-child(even) { padding-left: 16px; }
  .v4-trust-rail strong { font-size: 16px; margin-block: 7px; }
  .v4-trust-rail .v4-trust-platforms { font-size: 12px; padding-block: 0; }
  .v4-trust-rail small { font-size: 10px; line-height: 1.8; }
  .v4-outcome-metrics { grid-template-columns: 1fr; }
  .v4-outcome-metrics article { display: grid; grid-template-columns: 1fr auto; gap: 4px 15px; padding: 24px 0; }
  .v4-outcome-metrics article + article { border-left: 0; border-top: 1px solid var(--v4-line); }
  .v4-outcome-metrics h3 { grid-column: 1; font-size: 16px; }
  .v4-outcome-metrics .v4-metric-value { grid-column: 2; grid-row: 1 / span 3; align-self: center; margin: 0; font-size: 43px; }
  .v4-outcome-metrics article > strong { grid-column: 1; margin-top: 3px; font-size: 12px; }
  .v4-outcome-metrics article > p:last-child { grid-column: 1; font-size: 11px; margin-top: 2px; }
  .v4-engineering-metrics { grid-template-columns: 1fr; }
  .v4-engineering-metrics > div { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 10px; padding: 18px 0; }
  .v4-engineering-metrics > div + div { border-top: 1px solid var(--v4-line); }
  .v4-engineering-metrics dd { margin-top: 0; text-align: right; }
  .v4-engineering-metrics dd strong { font-size: 22px; }
  .v4-engineering-metrics dd > p { font-size: 10px; }
  .v4-contact-channels { grid-template-columns: minmax(0, 1fr) 104px; gap: 20px; }
  .v4-contact-qr, .v4-contact-qr img { width: 104px; }
  .v4-contact-qr img { height: 104px; }
  .v4-contact-email-group .v4-contact-email { font-size: 18px; }
  .v4-inquiry-form { padding: 23px 20px; }
  .v4-inquiry-form h3 { font-size: 22px; }
  .v4-form-row { gap: 12px; }
  .v4-field input, .v4-field textarea, .v4-field select { font-size: 16px; }
  .v4-field input::placeholder, .v4-field textarea::placeholder { font-size: 13px; }
  .v4-proof-actions { gap: 0 20px; }
  .v4-contact-page-main { padding-top: 30px; }
  .v4-contact-page .v4-inquiry-form { padding: 24px 20px; margin-top: 22px; }
  .v4-contact-page .v4-form-row { grid-template-columns: 1fr; gap: 0; }
  .v4-contact-page-lead { font-size: 14px; }
}
@media (max-width: 359px) {
  .v4-form-row { grid-template-columns: 1fr; gap: 0; }
  .v4-trust-rail strong { font-size: 15px; }
  .v4-inquiry-form { padding-inline: 17px; }
  .v4-contact-channels { grid-template-columns: minmax(0, 1fr) 88px; gap: 14px; }
  .v4-contact-qr, .v4-contact-qr img { width: 88px; }
  .v4-contact-qr img { height: 88px; }
  .v4-contact-email-group .v4-contact-email { font-size: 16px; }
}
@media (max-width: 950px) {
  .v4-architecture-flow { grid-template-columns: 1fr; gap: 44px; }
  .v4-architecture-flow > li { min-height: 112px; padding: 18px 22px; }
  .v4-architecture-flow strong { margin-top: 3px; font-size: 22px; }
  .v4-architecture-flow p { margin-top: 6px; }
  .v4-architecture-connector { right: auto; left: 50%; top: auto; bottom: -44px; height: 42px; width: 90px; flex-direction: row; justify-content: center; gap: 5px; transform: translateX(-50%); }
  .v4-architecture-connector > span { font-size: 10px; }
  .v4-architecture-connector > svg { width: 24px; height: 24px; transform: rotate(90deg); }
}
@media (max-width: 560px) {
  .v4-architecture { padding: 22px 18px; }
  .v4-architecture > h3 { font-size: 18px; }
  .v4-architecture figcaption { font-size: 11px; }
}
@media (min-width: 1600px) { .v4-hero-grid { gap: 80px; padding-block: 76px 64px; } .v4-hero-visual { height: 420px; } }
@media (max-width: 1100px) {
  .v4-shell { width: calc(100% - 64px); }
  .v4-brand-description { display: none; }
  .v4-hero-grid { gap: 30px; }
  .v4-hero-actions { gap: 18px; }
  .v4-capability-shortcuts > a + a { padding-left: 24px; }
  .v4-algorithm-panel { gap: 0 32px; }
  .v4-algorithm-nav > a { padding-inline: 18px; gap: 12px; }
  .v4-algorithm-media { min-height: 405px; }
  .v4-mini-wave { width: 48px; }
  .v4-advantages-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 30px; }
  .v4-advantages-grid > article { padding: 30px 32px 0; }
  .v4-advantages-grid > article:nth-child(odd) { border-left: 0; padding-left: 0; }
  .v4-advantages-grid > article:nth-child(even) { padding-right: 0; }
  .v4-advantages-grid > article:nth-child(n + 3) { border-top: 1px solid var(--v4-line); }
  .v4-device-rail > div { gap: 10px; }
  .v4-device-rail > div + div { padding-left: 16px; }
  .v4-proof-grid { gap: 36px; }
  .v4-contact-grid { gap: 0 32px; }
}
@media (max-width: 800px) {
  .v4-shell { width: calc(100% - 40px); }
  .v4-header-inner { min-height: 66px; flex-wrap: wrap; gap: 0 20px; }
  .v4-brand strong { font-size: 17px; }
  .v4-nav { width: 100%; padding-block: 10px 16px; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
  .v4-js .v4-menu-toggle { display: flex; }
  .v4-js .v4-nav { display: none; }
  .v4-js .v4-nav.is-open { display: flex; flex-direction: column; align-items: stretch; border-top: 1px solid var(--v4-line); }
  .v4-js .v4-nav.is-open > a { padding: 11px 14px; }
  .v4-hero-grid { padding-top: 35px; padding-bottom: 30px; gap: 27px; }
  .v4-hero-copy h1 { font-size: clamp(31px, 5.2vw, 42px); }
  .v4-hero-lead { font-size: 13px; margin-top: 18px; }
  .v4-hero-actions { flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; }
  .v4-hero-platforms { font-size: 9px; margin-top: 20px; }
  .v4-hero-platforms span { padding-inline: 4px; }
  .v4-hero-visual { height: 320px; border-bottom-right-radius: 40px; }
  .v4-hero-signal { width: 110px; left: 16px; }
  .v4-hero-photo-bottom { left: 16px; bottom: 20px; }
  .v4-hero-photo-bottom strong { font-size: 16px; }
  .v4-capability-shortcuts > a { gap: 11px; padding-right: 13px; min-height: 92px; }
  .v4-capability-shortcuts > a + a { padding-left: 16px; }
  .v4-capability-shortcuts strong { font-size: 15px; }
  .v4-capability-shortcuts div > span { font-size: 10px; }
  .v4-shortcut-arrow { display: none; }
  .v4-shortcut-icon svg { width: 25px; height: 25px; }
  .v4-section { padding-block: 62px; }
  .v4-section-heading { align-items: start; flex-direction: column; gap: 12px; margin-bottom: 25px; }
  .v4-section-heading > p { max-width: none; }
  .v4-section-heading h2 { font-size: 29px; }
  .v4-algorithm-nav > a { padding: 14px 13px; min-height: 75px; gap: 9px; }
  .v4-algorithm-nav strong { font-size: 16px; }
  .v4-algorithm-nav small { font-size: 8px; }
  .v4-tab-icon svg { width: 24px; height: 24px; }
  .v4-algorithm-panel { grid-template-columns: 1fr; gap: 24px; padding-top: 24px; }
  .v4-algorithm-media { min-height: 0; aspect-ratio: 1.65; }
  .v4-algorithm-copy { padding: 0; }
  .v4-algorithm-copy h3 br { display: none; }
  .v4-algorithm-copy h3 { font-size: 28px; margin-top: 12px; }
  .v4-algorithm-copy > p { font-size: 14px; }
  .v4-algorithm-facts { margin-top: 18px; }
  .v4-algorithm-copy > .v4-text-link { margin-top: 12px; }
  .v4-algorithm-panel + .v4-algorithm-panel { margin-top: 36px; padding-top: 32px; }
  .v4-signal-card { bottom: 18px; left: 18px; right: 18px; padding: 14px; }
  .v4-mini-wave { width: 86px; }
  .v4-device-rail { padding-block: 10px; }
  .v4-device-rail > div { align-items: start; flex-direction: column; gap: 11px; padding-block: 16px; }
  .v4-device-rail strong { font-size: 13px; }
  .v4-integration-grid { gap: 24px; }
  .v4-integration-grid h3 { font-size: 18px; }
  .v4-process { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .v4-proof-grid { grid-template-columns: 1fr; gap: 28px; }
  .v4-proof-grid h2 { font-size: 30px; }
  .v4-proof-grid h2 br { display: none; }
  .v4-contact { padding-block: 54px; }
  .v4-contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .v4-contact-actions { border-left: 0; border-top: 1px solid #4d8971; padding: 24px 0 0; }
  .v4-contact-email { font-size: 25px; }
  .v4-footer .v4-shell { gap: 15px; }
  .v4-footer nav { margin: 0; }
  .v4-footer small { width: 100%; }
}
@media (max-width: 560px) {
  .v4-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .v4-hero-copy h1 { font-size: clamp(32px, 9vw, 45px); margin-top: 18px; }
  .v4-hero-lead { font-size: 14px; }
  .v4-hero-actions { gap: 22px; }
  .v4-hero-platforms { font-size: 10px; }
  .v4-hero-visual { height: 270px; }
  .v4-hero-photo { object-position: 66% 40%; }
  .v4-hero-photo-top { left: 16px; top: 16px; }
  .v4-hero-signal { top: 66px; }
  .v4-hero-photo-bottom strong { font-size: 20px; }
  .v4-capability-shortcuts { gap: 0; }
  .v4-capability-shortcuts > a { display: block; padding: 17px 9px 19px 0; }
  .v4-capability-shortcuts > a + a { padding-left: 13px; }
  .v4-shortcut-icon { display: block; margin-bottom: 8px; }
  .v4-capability-shortcuts strong { font-size: 14px; }
  .v4-capability-shortcuts div > span { font-size: 10px; line-height: 1.65; max-width: 105px; }
  .v4-section { padding-block: 48px; }
  .v4-section-heading h2 { font-size: 26px; }
  .v4-section-heading > p { font-size: 12px; }
  .v4-algorithm-nav > a { padding: 14px 6px; min-height: 56px; justify-content: center; gap: 4px; }
  .v4-tab-icon { display: none; }
  .v4-algorithm-nav strong { font-size: 14px; white-space: nowrap; }
  .v4-algorithm-nav small { display: none; }
  .v4-anchor-arrow { margin-left: 0; }
  .v4-anchor-arrow svg { width: 15px; height: 15px; }
  .v4-algorithm-media { aspect-ratio: 1.25; }
  .v4-photo-label { top: 12px; left: 12px; font-size: 9px; }
  .v4-signal-card { padding: 12px; bottom: 12px; left: 12px; right: 12px; gap: 10px; }
  .v4-signal-card strong { font-size: 15px; }
  .v4-mini-wave { width: 45px; }
  .v4-algorithm-copy h3 { font-size: 26px; }
  .v4-algorithm-facts > div { font-size: 11px; }
  .v4-advantages-grid { grid-template-columns: 1fr; row-gap: 0; }
  .v4-advantages-grid > article { display: grid; grid-template-columns: 52px minmax(0, 1fr); column-gap: 18px; padding: 25px 0; }
  .v4-advantages-grid > article + article { border-left: 0; border-top: 1px solid var(--v4-line); }
  .v4-advantages-grid > article:last-child { padding-bottom: 0; }
  .v4-advantage-icon { grid-row: 1 / span 3; width: 52px; height: 52px; }
  .v4-advantages-grid h3 { margin-top: 0; font-size: 19px; }
  .v4-advantages-grid p { margin-top: 9px; }
  .v4-advantages-grid small { margin-top: 0; padding-top: 12px; font-size: 10px; }
  .v4-device-rail { grid-template-columns: 1fr; }
  .v4-device-rail > div { flex-direction: row; align-items: center; padding: 18px 0; gap: 18px; }
  .v4-device-rail > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--v4-line); }
  .v4-device-rail strong { font-size: 15px; }
  .v4-device-rail small { font-size: 11px; }
  .v4-integration-grid { grid-template-columns: 1fr; margin-top: 28px; gap: 26px; }
  .v4-integration-grid article + article { border-top: 1px solid var(--v4-line); padding-top: 23px; }
  .v4-integration-grid p { margin-top: 10px; }
  .v4-integration-grid article > span { margin-top: 11px; }
  .v4-process { margin-top: 30px; gap: 24px 16px; }
  .v4-process li { gap: 9px; }
  .v4-contact h2 { font-size: 30px; }
  .v4-footer p { display: none; }
  .v4-footer nav { width: 100%; flex-wrap: wrap; gap: 19px; }
}
@media (max-width: 359px) {
  .v4-shell { width: calc(100% - 32px); }
  .v4-contact h2 { font-size: 26px; }
  .v4-hero-actions { gap: 10px; }
  .v4-button { padding-inline: 18px; gap: 15px; font-size: 13px; }
  .v4-hero-actions .v4-text-link { font-size: 12px; }
  .v4-mini-wave { display: none; }
  .v4-contact-email { font-size: 23px; }
}
@media (max-width: 1000px) {
  .v4-contact .v4-contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .v4-contact-channels { border-left: 0; border-top: 1px solid #4d8971; padding: 28px 0 0; }
}
@media (max-width: 460px) {
  .v4-contact-channels { grid-template-columns: 1fr; gap: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}