:root {
  --ink: #071426;
  --ink-soft: #0d2036;
  --ink-raised: #132a43;
  --surface: #f5f2ea;
  --surface-raised: #fffdf8;
  --surface-muted: #ebe8df;
  --text: #13243a;
  --text-muted: #526174;
  --text-dark-muted: #aebdca;
  --line: rgba(19, 36, 58, 0.14);
  --line-dark: rgba(191, 211, 224, 0.18);
  --accent: #41d7e7;
  --accent-soft: rgba(65, 215, 231, 0.13);
  --accent-text: #006b7d;
  --focus-light: #006b7d;
  --focus-dark: #41d7e7;
  --gold: #c4a878;
  --live: #08745d;
  --soon: #785b16;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 28px 80px rgba(7, 20, 38, 0.12);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus-light); outline-offset: 3px; }
.hero a:focus-visible, .section-dark a:focus-visible, .closing-cta a:focus-visible, .site-header a:focus-visible, .site-header button:focus-visible, .site-footer a:focus-visible, .inner-hero a:focus-visible, .not-found a:focus-visible { outline-color: var(--focus-dark); }
::selection { background: rgba(65, 215, 231, 0.42); color: var(--ink); }
img, svg { max-width: 100%; }
.container { width: min(var(--container), calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 12px; padding: 10px 15px; border-radius: 8px; background: var(--surface-raised); color: var(--ink); transform: translateY(-160%); transition: transform 0.18s ease; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; border-bottom: 1px solid transparent; transition: background 0.2s ease, border-color 0.2s ease, backdrop-filter 0.2s ease; color: #fff; }
.site-header.is-scrolled, .site-header.is-open { background: rgba(7, 20, 38, 0.92); border-color: var(--line-dark); backdrop-filter: blur(18px); }
.nav-shell { width: min(var(--container), calc(100% - 64px)); min-height: 78px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { min-height: 44px; display: inline-flex; align-items: center; gap: 14px; text-decoration: none; }
.brand-word { color: #fff; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 17px; font-weight: 750; letter-spacing: 0.025em; }
.brand-word span { color: var(--accent); }
.brand-company { padding-left: 14px; border-left: 1px solid rgba(255,255,255,0.25); color: #becbd6; font-size: 11px; letter-spacing: 0.12em; }
.site-menu { display: flex; align-items: center; gap: 24px; }
.site-menu a { min-height: 44px; display: inline-flex; align-items: center; color: #bdc9d4; font-size: 13px; font-weight: 550; text-decoration: none; transition: color 0.18s ease; }
.site-menu a:hover { color: #fff; }
.site-menu .nav-action { padding: 0 17px; border: 1px solid rgba(65,215,231,0.42); border-radius: 9px; color: var(--accent); }
.site-menu .nav-action:hover { background: var(--accent-soft); color: #fff; }
.menu-toggle { width: 44px; height: 44px; display: none; align-items: center; justify-content: center; flex-direction: column; gap: 6px; border: 1px solid rgba(255,255,255,0.24); border-radius: 9px; background: transparent; color: #fff; }
.menu-toggle span { width: 18px; height: 2px; display: block; border-radius: 99px; background: currentColor; transition: transform 0.18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.hero { position: relative; min-height: 860px; padding: 150px 0 0; overflow: hidden; color: #fff; background: radial-gradient(circle at 78% 8%, rgba(65,215,231,0.15), transparent 31%), radial-gradient(circle at 12% 86%, rgba(65,215,231,0.07), transparent 30%), var(--ink); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: 0.18; background-image: linear-gradient(rgba(197,218,231,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(197,218,231,0.08) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero-orbit { position: absolute; width: 680px; height: 680px; top: -260px; right: -120px; border: 1px solid rgba(65,215,231,0.12); border-radius: 50%; box-shadow: 0 0 0 110px rgba(65,215,231,0.02), 0 0 0 220px rgba(65,215,231,0.014); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 0.88fr) minmax(540px, 1.12fr); align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 22px; color: #95a9ba; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.eyebrow span { color: var(--accent); }
.hero h1, .inner-hero h1, .not-found h1 { margin: 0; font-size: clamp(3rem, 5vw, 5.25rem); line-height: 1.05; letter-spacing: -0.055em; font-weight: 650; }
.hero h1 em, .inner-hero h1 em { color: var(--accent); font-style: normal; }
.hero-lead { max-width: 620px; margin: 28px 0 0; color: #b8c6d2; font-size: 16px; line-height: 1.85; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 50px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; border-radius: 9px; font-size: 13px; font-weight: 650; text-decoration: none; transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: var(--ink); }
.button-primary:hover { background: #70e3ee; }
.button-secondary { border-color: rgba(218,232,241,0.27); color: #e4edf3; background: rgba(255,255,255,0.025); }
.button-secondary:hover { border-color: rgba(65,215,231,0.55); background: rgba(65,215,231,0.08); }
.hero-note { margin: 22px 0 0; color: #8da0b1; font-size: 11px; }
.hero-note span { width: 6px; height: 6px; display: inline-block; margin-right: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(65,215,231,0.08); }

.platform-visual { position: relative; border: 1px solid rgba(189,211,224,0.18); border-radius: 22px; background: rgba(11,30,49,0.78); box-shadow: 0 34px 90px rgba(0,0,0,0.35); overflow: hidden; transform: perspective(1000px) rotateY(-2deg); }
.platform-visual::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 1px rgba(255,255,255,0.05); }
.visual-topbar { min-height: 44px; padding: 0 15px; display: flex; align-items: center; gap: 6px; border-bottom: 1px solid var(--line-dark); color: #8296a8; font-size: 9px; }
.visual-topbar > span { width: 6px; height: 6px; border-radius: 50%; background: #54697c; }
.visual-topbar b { margin-left: 8px; font-weight: 550; letter-spacing: 0.04em; }
.visual-topbar i { margin-left: auto; color: var(--accent); font-style: normal; letter-spacing: 0.12em; }
.visual-body { min-height: 430px; display: grid; grid-template-columns: 130px minmax(0,1fr); }
.visual-body aside { padding: 21px 12px; display: flex; flex-direction: column; gap: 6px; border-right: 1px solid var(--line-dark); background: rgba(4,15,28,0.35); }
.visual-logo { width: 34px; height: 34px; margin: 0 6px 15px; display: grid; place-items: center; border: 1px solid rgba(65,215,231,0.35); border-radius: 9px; color: var(--accent); font-size: 10px; font-weight: 800; }
.visual-body aside span { padding: 8px 9px; border-radius: 7px; color: #71879a; font-size: 8px; }
.visual-body aside span.active { color: #d9e7ef; background: rgba(65,215,231,0.09); }
.visual-content { padding: 28px; }
.visual-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.visual-heading small { display: block; color: var(--accent); font-size: 7px; letter-spacing: 0.16em; }
.visual-heading strong { display: block; margin-top: 6px; font-size: 17px; font-weight: 620; }
.visual-heading > span { padding: 5px 8px; border: 1px solid rgba(65,215,231,0.2); border-radius: 99px; color: var(--accent); font-size: 7px; }
.visual-cards { margin-top: 26px; display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.visual-cards div { min-height: 84px; padding: 13px; border: 1px solid var(--line-dark); border-radius: 10px; background: rgba(255,255,255,0.025); }
.visual-cards small, .visual-flow small { display: block; color: #7890a3; font-size: 7px; }
.visual-cards b { display: block; margin-top: 22px; color: #dce7ee; font-size: 11px; font-weight: 560; }
.visual-flow { margin-top: 18px; padding: 18px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 8px; border-radius: 12px; background: rgba(4,15,28,0.48); }
.visual-flow div { min-width: 0; }
.visual-flow span { color: var(--accent); font-size: 7px; }
.visual-flow b { display: block; margin: 3px 0; font-size: 10px; }
.visual-flow i { color: #536b7e; font-size: 10px; font-style: normal; }
.visual-caption { margin: 14px 0 0; color: #657c8f; font-size: 7px; text-align: right; }
.hero-proof { position: relative; z-index: 2; margin-top: 88px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-dark); }
.hero-proof div { min-height: 110px; padding: 22px 26px; border-left: 1px solid var(--line-dark); }
.hero-proof div:first-child { border-left: 0; padding-left: 0; }
.hero-proof span { color: var(--accent); font-size: 9px; }
.hero-proof b { display: block; margin-top: 8px; font-size: 13px; font-weight: 600; }
.hero-proof small { display: block; margin-top: 3px; color: #8296a8; font-size: 10px; }

.section { padding: 124px 0; }
.split-heading, .catalog-heading, .access-heading { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 54px; }
.section-index { margin: 7px 0 0; color: var(--accent-text); font-family: ui-sans-serif, system-ui, sans-serif; font-size: 9px; font-weight: 750; letter-spacing: 0.14em; }
.split-heading h2, .catalog-heading h2, .access-heading h2, .trust-grid h2, .validation-grid h2, .access-notes h2 { max-width: 760px; margin: 0; font-size: clamp(2rem, 3.6vw, 3.6rem); line-height: 1.16; letter-spacing: -0.045em; font-weight: 640; }
.split-heading > div > p, .catalog-heading > div > p, .access-heading > div > p { max-width: 650px; margin: 22px 0 0; color: var(--text-muted); font-size: 15px; }
.operating-loop { margin-top: 70px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.operating-loop article { min-height: 300px; padding: 28px; border-left: 1px solid var(--line); }
.operating-loop article:first-child { border-left: 0; padding-left: 0; }
.operating-loop article > span { color: var(--accent-text); font-size: 9px; }
.loop-icon { width: 52px; height: 52px; margin: 52px 0 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--accent-text); font-size: 19px; }
.operating-loop h3 { margin: 0; font-size: 17px; }
.operating-loop p { margin: 10px 0 0; color: var(--text-muted); font-size: 12px; }

.section-dark { color: #fff; background: radial-gradient(circle at 90% 12%, rgba(65,215,231,0.1), transparent 24%), var(--ink); }
.split-heading-dark .section-index { color: var(--accent); }
.split-heading-dark > div > p { color: var(--text-dark-muted); }
.product-list { margin-top: 72px; border-top: 1px solid var(--line-dark); }
.product-entry { min-height: 150px; padding: 26px 0; display: grid; grid-template-columns: 70px 200px minmax(0,1fr) 160px 24px; align-items: center; gap: 22px; border-bottom: 1px solid var(--line-dark); text-decoration: none; transition: padding 0.18s ease, background 0.18s ease; }
.product-entry:hover { padding-inline: 18px; background: rgba(255,255,255,0.025); }
.product-entry > span:first-child { color: var(--accent); font-size: 9px; }
.product-entry h3 { margin: 0; font-size: 20px; font-weight: 620; }
.product-entry h3 small { display: block; margin-top: 4px; color: #8499aa; font-size: 9px; font-weight: 550; letter-spacing: 0.08em; }
.product-entry p { max-width: 570px; margin: 0; color: #aabac7; font-size: 13px; }
.state { justify-self: end; padding: 5px 8px; border: 1px solid currentColor; border-radius: 99px; font-size: 8px; font-weight: 700; letter-spacing: 0.08em; }
.state-live { color: #71e4c5; }
.state-soon { color: #e2c876; }
.state-info { color: var(--accent); }
.state-research { color: #b4a8d9; }
.state-validation { color: #d5b77e; }
.product-arrow { color: #637b8f; font-size: 16px; }
.extension-list { display: grid; grid-template-columns: repeat(3,1fr); border-bottom: 1px solid var(--line-dark); }
.extension-entry { min-height: 180px; padding: 28px; border-left: 1px solid var(--line-dark); text-decoration: none; }
.extension-entry:first-child { border-left: 0; padding-left: 0; }
.extension-entry h3 { margin: 0; font-size: 15px; }
.extension-entry .state { display: inline-block; margin-top: 18px; }
.extension-entry p { margin: 12px 0 0; color: #8da1b2; font-size: 11px; }
.section-link { margin-top: 32px; text-align: right; }
.section-link a, .text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 9px; color: var(--accent); font-size: 12px; font-weight: 650; text-decoration: none; }

.scenario-layout { margin-top: 72px; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; }
.industry-field { min-height: 460px; position: relative; display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: radial-gradient(circle at 50% 50%, rgba(65,215,231,0.13), transparent 33%), var(--surface-raised); overflow: hidden; }
.industry-field > span { min-height: 62px; padding: 0 16px; display: flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--text-muted); font-size: 11px; background: rgba(255,255,255,0.55); }
.industry-field > div { position: absolute; inset: 50% auto auto 50%; width: 168px; height: 168px; display: flex; flex-direction: column; align-items: center; justify-content: center; transform: translate(-50%,-50%); border: 1px solid rgba(0,107,125,0.28); border-radius: 50%; background: var(--ink); color: #fff; box-shadow: 0 0 0 14px rgba(65,215,231,0.06); }
.industry-field > div b { font-size: 18px; }
.industry-field > div small { margin-top: 6px; color: #8fa4b5; font-size: 8px; }
.validation-card { padding: 54px; border-radius: var(--radius-lg); color: #fff; background: var(--ink); box-shadow: var(--shadow); }
.validation-card h3 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.65rem); line-height: 1.2; letter-spacing: -0.04em; }
.validation-card > p:not(.eyebrow) { margin: 28px 0 0; color: #aebdca; font-size: 13px; }
.validation-card > a { min-height: 44px; margin-top: 34px; display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-size: 12px; font-weight: 650; text-decoration: none; }

.trust-section { padding-top: 40px; }
.trust-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 100px; padding-top: 84px; border-top: 1px solid var(--line); }
.trust-grid > div > p:not(.section-index) { max-width: 510px; margin: 24px 0 0; color: var(--text-muted); font-size: 14px; }
.trust-links { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 7px 18px; }
.trust-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--accent-text); font-size: 12px; }
.company-facts { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.company-facts div { min-width: 0; padding: 24px 20px 24px 0; border-bottom: 1px solid var(--line); }
.company-facts div:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--line); }
.company-facts .fact-wide { grid-column: 1/-1; padding-left: 0; border-left: 0; }
.company-facts dt { color: var(--accent-text); font-size: 9px; font-weight: 700; letter-spacing: 0.09em; }
.company-facts dd { margin: 9px 0 0; font-size: 13px; overflow-wrap: anywhere; }
.company-facts dd span { color: var(--text-muted); font-size: 11px; }
.company-facts a { min-height: 44px; display: inline-flex; align-items: center; color: var(--accent-text); }

.closing-cta { position: relative; padding: 110px 0; overflow: hidden; color: #fff; background: radial-gradient(circle at 82% 28%, rgba(65,215,231,0.16), transparent 27%), var(--ink); }
.closing-cta::after { content: "GX"; position: absolute; right: -30px; bottom: -160px; color: rgba(255,255,255,0.025); font-family: ui-sans-serif, system-ui, sans-serif; font-size: 420px; font-weight: 850; line-height: 1; }
.closing-cta .container { position: relative; z-index: 1; }
.closing-cta h2 { max-width: 780px; margin: 0; font-size: clamp(2.4rem, 5vw, 5rem); line-height: 1.08; letter-spacing: -0.055em; font-weight: 640; }
.closing-cta .container > p:not(.eyebrow) { max-width: 580px; margin: 24px 0 0; color: #aebdca; }
.compact-cta { padding: 90px 0; }
.compact-cta h2 { font-size: clamp(2.2rem, 4vw, 4rem); }

.site-footer { padding: 72px 0 28px; color: #9cafbf; background: #040d18; }
.footer-main { width: min(var(--container), calc(100% - 64px)); margin-inline: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.footer-brand { min-height: 44px; }
.footer-main > div > p { margin: 14px 0 0; font-size: 12px; }
.footer-main nav { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.footer-main nav div { display: flex; flex-direction: column; align-items: flex-start; }
.footer-main nav strong { margin-bottom: 14px; color: #e3ebf0; font-size: 11px; }
.footer-main nav a { min-height: 38px; display: inline-flex; align-items: center; color: #8fa2b2; font-size: 11px; text-decoration: none; }
.footer-main nav a:hover { color: var(--accent); }
.footer-legal { width: min(var(--container), calc(100% - 64px)); margin: 54px auto 0; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 8px 22px; border-top: 1px solid var(--line-dark); font-size: 9px; }
.footer-legal a { min-height: 44px; display: inline-flex; align-items: center; color: #8fa2b2; }

.inner-hero { min-height: 590px; padding: 160px 0 100px; color: #fff; background: radial-gradient(circle at 82% 20%, rgba(65,215,231,0.15), transparent 28%), var(--ink); }
.inner-hero-short { min-height: 510px; }
.inner-hero .container > p:not(.eyebrow) { max-width: 720px; margin: 28px 0 0; color: #b4c2cd; font-size: 16px; }
.catalog-section, .access-section { padding-top: 110px; }
.product-catalog { margin-top: 70px; display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.catalog-card { min-height: 310px; padding: 34px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); text-decoration: none; transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease; }
.catalog-card:hover { transform: translateY(-3px); border-color: rgba(0,107,125,0.35); box-shadow: 0 20px 50px rgba(7,20,38,0.07); }
.catalog-card header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.catalog-card header > span { color: var(--accent-text); font-size: 9px; }
.catalog-card h3 { margin: 38px 0 0; font-size: 24px; }
.catalog-card h3 small { display: block; margin-top: 5px; color: var(--text-muted); font-size: 10px; font-weight: 550; }
.catalog-card p { margin: 18px 0 0; color: var(--text-muted); font-size: 13px; }
.catalog-card > span:last-child { margin-top: auto; padding-top: 25px; color: var(--accent-text); font-size: 11px; }
.relation-map { margin-top: 70px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 18px; }
.relation-map article { min-height: 220px; padding: 30px; border: 1px solid var(--line-dark); border-radius: var(--radius-md); }
.relation-map article > span { color: var(--accent); font-size: 8px; letter-spacing: 0.12em; }
.relation-map h3 { margin: 48px 0 0; font-size: 20px; }
.relation-map p { color: #95a8b7; font-size: 12px; }
.relation-map > i { align-self: center; color: var(--accent); font-style: normal; }
.validation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.validation-grid > div:last-child > p { margin: 0 0 20px; color: var(--text-muted); font-size: 14px; }

.channel-products { margin-top: 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.channel-product { padding: 36px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); }
.channel-product > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.channel-product .product-kind { color: var(--accent-text); font-size: 9px; font-weight: 700; letter-spacing: 0.1em; }
.channel-product h3 { margin: 8px 0 0; font-size: 24px; }
.channel-product header > span { color: var(--text-muted); font-size: 9px; }
.channel-product > p { min-height: 46px; margin: 18px 0 26px; color: var(--text-muted); font-size: 13px; }
.channels { display: flex; flex-direction: column; gap: 9px; }
.channel { min-height: 76px; padding: 13px 16px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 1px solid var(--line); border-radius: 11px; text-decoration: none; }
a.channel:hover { border-color: rgba(0,107,125,0.4); background: rgba(65,215,231,0.06); }
.channel b { display: block; font-size: 13px; }
.channel small { display: block; margin-top: 3px; color: var(--text-muted); font-size: 10px; }
.channel > span { flex: 0 0 auto; color: var(--accent-text); font-size: 10px; font-weight: 700; }
.channel-soon { color: #677586; background: #f0eee8; }
.channel-soon > span { color: var(--soon); }
.noscript-note { margin-top: 18px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; color: var(--text-muted); font-size: 12px; }
.access-notes { padding-top: 20px; }
.access-notes ol { max-width: 850px; margin: 42px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.access-notes li { min-height: 104px; padding: 22px 0; display: grid; grid-template-columns: 60px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.access-notes li > span { color: var(--accent-text); font-size: 9px; }
.access-notes b { font-size: 14px; }
.access-notes p { margin: 4px 0 0; color: var(--text-muted); font-size: 12px; }

.support-section { padding-top: 82px; }
.support-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 72px; }
.support-layout aside { position: sticky; top: 110px; align-self: start; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.support-layout aside a { min-height: 50px; display: flex; align-items: center; border-bottom: 1px solid var(--line); color: var(--text-muted); font-size: 12px; text-decoration: none; }
.support-layout aside a:hover { color: var(--accent-text); }
.support-content article { padding: 0 0 72px; margin-bottom: 72px; border-bottom: 1px solid var(--line); }
.support-content article:last-child { margin-bottom: 0; }
.support-content h2 { margin: 12px 0 22px; font-size: clamp(1.7rem, 3vw, 2.7rem); }
.support-content > article > p:not(.section-index) { color: var(--text-muted); }
.support-content dl { margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; }
.support-content dl div { padding: 20px 20px 20px 0; border-top: 1px solid var(--line); }
.support-content dl div:last-child { grid-column: 1/-1; }
.support-content dt { color: var(--accent-text); font-size: 9px; }
.support-content dd { margin: 8px 0 0; font-size: 13px; overflow-wrap: anywhere; }
.support-content dd span { color: var(--text-muted); font-size: 11px; }
.support-content ul { margin: 28px 0 0; padding: 0; list-style: none; }
.support-content li { min-height: 66px; padding: 12px 0; display: flex; justify-content: space-between; gap: 24px; align-items: center; border-top: 1px solid var(--line); }
.support-content li b { font-size: 13px; }
.support-content li span { color: var(--text-muted); font-size: 12px; text-align: right; }
.support-links { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.support-links a { min-height: 66px; padding: 0 16px 0 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; }
.support-links a:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
.support-links i { color: var(--accent-text); font-style: normal; }

.not-found { min-height: 78vh; padding: 170px 0 110px; display: flex; align-items: center; color: #fff; background: radial-gradient(circle at 70% 35%, rgba(65,215,231,0.13), transparent 25%), var(--ink); }
.not-found .container { max-width: 780px; }
.error-code { margin: 0; color: var(--accent); font-family: ui-sans-serif, system-ui, sans-serif; font-size: 11px; font-weight: 750; letter-spacing: 0.2em; }
.not-found h1 { font-size: clamp(2.6rem, 5vw, 5rem); }
.not-found .container > p:not(.error-code,.eyebrow) { max-width: 560px; margin: 24px 0 0; color: #aebdca; }

@media (max-width: 1040px) {
  .hero { min-height: auto; padding-bottom: 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .hero-copy { max-width: 760px; }
  .platform-visual { max-width: 760px; transform: none; }
  .hero-proof { margin-top: 70px; }
  .operating-loop { grid-template-columns: 1fr 1fr; }
  .operating-loop article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .operating-loop article:nth-child(4) { border-top: 1px solid var(--line); }
  .scenario-layout, .trust-grid { grid-template-columns: 1fr; }
  .trust-grid { gap: 54px; }
  .relation-map { grid-template-columns: 1fr; }
  .relation-map > i { justify-self: center; transform: rotate(90deg); }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 68px; }
  .container, .nav-shell, .footer-main, .footer-legal { width: calc(100% - 32px); }
  .site-header.is-open { bottom: 0; }
  .nav-shell { min-height: 66px; flex-wrap: wrap; align-content: flex-start; }
  .brand-company { display: none; }
  .js .menu-toggle { display: inline-flex; margin-left: auto; }
  .site-menu { flex: 0 0 100%; display: flex; padding: 18px 0 24px; flex-direction: column; align-items: stretch; gap: 3px; }
  .js .site-menu { display: none; }
  .js .site-menu.is-open { display: flex; }
  .site-menu a { min-height: 52px; padding: 0 10px; font-size: 15px; }
  .site-menu .nav-action { margin-top: 12px; justify-content: center; }
  .hero { padding-top: 110px; }
  .hero::before { background-size: 46px 46px; }
  .hero-orbit { display: none; }
  .hero-grid { gap: 46px; }
  .hero h1, .inner-hero h1 { font-size: clamp(2.55rem, 13vw, 3.55rem); letter-spacing: -0.06em; }
  .hero-lead { margin-top: 22px; font-size: 14px; }
  .hero-actions { width: 100%; }
  .hero-actions .button { flex: 1 1 100%; }
  .platform-visual { border-radius: 16px; }
  .visual-body { min-height: 0; grid-template-columns: 1fr; }
  .visual-body aside { display: none; }
  .visual-content { padding: 19px; }
  .visual-cards { grid-template-columns: 1fr 1fr; }
  .visual-cards div:last-child { grid-column: 1/-1; min-height: 66px; }
  .visual-flow { grid-template-columns: 1fr 1fr; gap: 8px; }
  .visual-flow i { display: none; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div, .hero-proof div:first-child { min-height: 88px; padding: 18px 0; border-left: 0; border-top: 1px solid var(--line-dark); }
  .hero-proof div:first-child { border-top: 0; }
  .section { padding: 82px 0; }
  .split-heading, .catalog-heading, .access-heading { grid-template-columns: 1fr; gap: 18px; }
  .split-heading h2, .catalog-heading h2, .access-heading h2, .trust-grid h2, .validation-grid h2, .access-notes h2 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .operating-loop { margin-top: 44px; grid-template-columns: 1fr; }
  .operating-loop article, .operating-loop article:first-child, .operating-loop article:nth-child(3) { min-height: 0; padding: 24px 0; border-left: 0; border-top: 1px solid var(--line); }
  .operating-loop article:first-child { border-top: 0; }
  .loop-icon { margin: 24px 0 18px; }
  .product-list { margin-top: 44px; }
  .product-entry { min-height: 0; grid-template-columns: 36px minmax(0,1fr); gap: 12px; padding: 24px 0; }
  .product-entry:hover { padding-inline: 0; }
  .product-entry p, .product-entry .state, .product-entry .product-arrow { grid-column: 2; justify-self: start; }
  .extension-list { grid-template-columns: 1fr; }
  .extension-entry, .extension-entry:first-child { min-height: 0; padding: 24px 0; border-left: 0; border-top: 1px solid var(--line-dark); }
  .scenario-layout { margin-top: 44px; }
  .industry-field { min-height: 390px; padding: 18px; }
  .industry-field > span { padding: 0 10px; font-size: 9px; }
  .industry-field > div { width: 136px; height: 136px; }
  .validation-card { padding: 30px 24px; }
  .trust-section { padding-top: 16px; }
  .trust-grid { padding-top: 58px; }
  .company-facts { grid-template-columns: 1fr; }
  .company-facts div:nth-child(even), .company-facts .fact-wide { grid-column: auto; padding-left: 0; border-left: 0; }
  .closing-cta { padding: 78px 0; }
  .closing-cta::after { font-size: 230px; bottom: -85px; }
  .footer-main { grid-template-columns: 1fr; gap: 44px; }
  .footer-main nav { gap: 16px; }
  .inner-hero, .inner-hero-short { min-height: 0; padding: 125px 0 74px; }
  .inner-hero .container > p:not(.eyebrow) { font-size: 14px; }
  .product-catalog, .channel-products, .validation-grid { grid-template-columns: 1fr; }
  .catalog-card { min-height: 280px; padding: 26px; }
  .relation-map { margin-top: 44px; }
  .validation-grid { gap: 32px; }
  .channel-products { margin-top: 40px; }
  .channel-product { padding: 24px 20px; }
  .support-layout { grid-template-columns: 1fr; gap: 40px; }
  .support-layout aside { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .support-layout aside a:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line); }
  .support-content article { padding-bottom: 48px; margin-bottom: 48px; }
  .support-content dl, .support-links { grid-template-columns: 1fr; }
  .support-content dl div, .support-content dl div:last-child { grid-column: auto; }
  .support-links a:nth-child(even) { padding-left: 0; border-left: 0; }
  .support-content li { align-items: flex-start; flex-direction: column; gap: 4px; }
  .support-content li span { text-align: left; }
  .not-found { padding: 130px 0 80px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .button:hover, .catalog-card:hover { transform: none; }
}