:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --color-blue-700: #0b55da;
  --color-blue-600: #1267ff;
  --color-cyan-500: #2aa7ff;
  --color-navy-900: #061b3a;
  --color-navy-800: #092653;
  --color-text: #12213d;
  --color-muted: #637089;
  --color-line: #dbe7fb;
  --color-soft: #f4f9ff;
  --color-white: #fff;
  --color-green: #19b889;
  --color-amber: #f19b37;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 16px 48px rgba(43, 89, 145, .1);
  --shadow-hero: 0 24px 80px rgba(18, 103, 255, .18);
  font-family: var(--pui-font-family, var(--font-sans));
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; color: var(--color-text); background: #fff; font-family: var(--pui-font-family, var(--font-sans)); font-size: var(--pui-body-size, 16px); }
button, input { font: inherit; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(202,220,247,.78); }
.nav-inner { min-height: 76px; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: var(--space-3); color: var(--color-navy-900); text-decoration: none; white-space: nowrap; }
.brand strong { display: block; font-size: 20px; line-height: 1.15; }
.brand small { display: block; color: #6a7690; font-size: 12px; }
.brand-mark { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--color-blue-600), #67ccff); box-shadow: 0 12px 26px rgba(18,103,255,.28); position: relative; }
.brand-mark i, .brand-mark:before, .brand-mark:after { content: ""; display: block; position: absolute; background: #fff; border-radius: 10px; transform: rotate(28deg); }
.brand-mark i { width: 10px; height: 28px; left: 13px; top: 8px; }
.brand-mark:before { width: 10px; height: 31px; left: 23px; top: 6px; opacity: .75; }
.brand-mark:after { width: 20px; height: 9px; left: 13px; top: 25px; opacity: .9; }
.nav-menu { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; }
.nav-link { padding: 25px 8px 21px; font-weight: 800; font-size: 15px; text-decoration: none; color: #1e2d4a; border-bottom: 3px solid transparent; }
.nav-link.active, .nav-link:hover { color: var(--color-blue-600); border-color: var(--color-blue-600); }
.nav-entry-mobile { display: none; }
.entry-actions { display: flex; align-items: center; gap: 8px; }
.entry-link { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-md); padding: 10px 14px; text-decoration: none; font-weight: 900; white-space: nowrap; }
.entry-link.customer { color: var(--color-blue-600); background: #fff; border: 1px solid #bcd5ff; }
.entry-link.system { background: linear-gradient(135deg, var(--color-blue-600), var(--color-blue-700)); color: #fff; box-shadow: 0 15px 30px rgba(18,103,255,.25); }
.mobile-menu-button { display: none; border: 1px solid var(--color-line); background: #fff; color: var(--color-blue-600); border-radius: var(--radius-md); width: 42px; height: 42px; }
.pui-hero { position: relative; overflow: hidden; min-height: 640px; background: radial-gradient(circle at 82% 12%, #dff0ff 0, transparent 32%), linear-gradient(180deg, #f2f8ff, #fff); }
.pui-hero:before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(#b9d6ff 1px, transparent 1px); background-size: 22px 22px; opacity: .32; }
.pui-hero-grid { position: relative; display: grid; grid-template-columns: .88fr 1.12fr; gap: 38px; align-items: center; min-height: 640px; padding: 36px 0 44px; }
.pui-hero-copy { max-width: 630px; }
.eyebrow { display: inline-flex; align-items: center; border: 1px solid rgba(18,103,255,.22); background: rgba(255,255,255,.76); color: var(--color-blue-600); font-weight: 900; padding: 8px 14px; border-radius: 999px; margin-bottom: 18px; box-shadow: 0 10px 28px rgba(18,103,255,.08); }
h1, h2, h3 { color: var(--color-navy-900); margin: 0; }
h1 { font-size: var(--pui-h1-size, 58px); line-height: 1.06; margin-bottom: 20px; max-width: 650px; }
h2 { font-size: var(--pui-h2-size, 38px); line-height: 1.18; margin-bottom: var(--space-4); }
h3 { font-size: var(--pui-h3-size, 21px); line-height: 1.3; margin-bottom: var(--space-3); }
p { color: #52617a; line-height: 1.78; margin: 0; }
.pui-hero-copy p { font-size: 18px; }
.hero-body { margin-top: var(--space-4); color: #34435d; }
.cta-row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-top: 26px; }
.btn { border: 0; border-radius: var(--radius-md); padding: 13px 20px; font-size: var(--pui-button-size, 16px); font-weight: 900; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; cursor: pointer; min-height: 46px; }
.btn.primary { background: linear-gradient(135deg, var(--color-blue-600), var(--color-blue-700)); color: #fff; box-shadow: 0 15px 35px rgba(18,103,255,.3); }
.btn.secondary { background: #fff; color: var(--color-blue-600); border: 1px solid #bcd5ff; box-shadow: 0 10px 30px rgba(29,88,160,.08); }
.btn.mini { padding: 9px 13px; min-height: 38px; border-radius: var(--radius-md); font-size: 14px; }
.text-link { color: var(--color-blue-600); font-weight: 900; text-decoration: none; }
.system-cockpit { position: relative; border: 1px solid #cfe2ff; border-radius: 24px; background: rgba(255,255,255,.92); box-shadow: var(--shadow-hero); overflow: hidden; padding: 24px; }
.system-cockpit:before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,103,255,.08) 1px, transparent 1px), linear-gradient(180deg, rgba(18,103,255,.08) 1px, transparent 1px); background-size: 38px 38px; opacity: .38; }
.cockpit-head, .cockpit-body { position: relative; z-index: 1; }
.cockpit-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.cockpit-head span { color: var(--color-blue-600); font-weight: 900; }
.cockpit-head strong { color: var(--color-navy-900); }
.cockpit-body { display: grid; grid-template-columns: 210px 1fr; gap: 16px; align-items: stretch; }
.cockpit-core { border-radius: 18px; padding: 22px; color: #fff; background: linear-gradient(135deg, var(--color-blue-600), var(--color-cyan-500)); box-shadow: 0 22px 58px rgba(18,103,255,.28); display: grid; align-content: center; gap: 8px; min-height: 328px; }
.cockpit-core span, .cockpit-core small { opacity: .9; }
.cockpit-core strong { font-size: 28px; line-height: 1.2; }
.cockpit-matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.cockpit-node { min-height: 86px; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 13px; box-shadow: 0 10px 26px rgba(43,89,145,.08); display: grid; align-content: center; gap: 5px; }
.cockpit-node b { color: var(--color-navy-900); font-size: 15px; }
.cockpit-node span { color: var(--color-muted); font-size: 13px; line-height: 1.45; }
.cockpit-node.front { border-color: #a8caff; }
.cockpit-node.ops { border-color: #dbe7fb; }
.cockpit-node.intel { background: #eef8ff; border-color: #9bdcff; }
.cockpit-node.edge { background: #f6fbff; border-color: #bfe0ff; }
.cockpit-node.pending { background: #fff8ed; border-color: #ffd49b; }
.section-band { padding: 74px 0; background: #fff; }
.section-band.system-band { background: linear-gradient(180deg, #fff, var(--color-soft)); }
.section-band.flow-band { background: #fff; }
.section-heading { text-align: center; max-width: 820px; margin: 0 auto var(--space-6); }
.section-heading p { margin-top: var(--space-3); }
.system-map { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr; gap: var(--space-4); align-items: stretch; }
.system-card, .home-product-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: var(--space-5); }
.system-card.primary, .home-product-card.primary { border-color: #8bbdff; box-shadow: 0 20px 68px rgba(18,103,255,.16); }
.system-card.pending, .home-product-card.pending { border-color: #ffd49b; background: #fffaf3; }
.system-card span, .home-product-card span { display: inline-flex; color: var(--color-blue-600); font-weight: 900; margin-bottom: var(--space-3); }
.flow-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: var(--space-7); align-items: center; }
.flow-steps { list-style: none; counter-reset: flow; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.flow-steps li { counter-increment: flow; position: relative; min-height: 132px; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-card); }
.flow-steps li:before { content: counter(flow); width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--color-blue-600); font-weight: 900; margin-bottom: var(--space-3); }
.flow-steps b, .flow-steps span { display: block; }
.flow-steps b { color: var(--color-navy-900); margin-bottom: 6px; }
.flow-steps span { color: var(--color-muted); font-size: 14px; line-height: 1.55; }
.products-band { background: linear-gradient(180deg, var(--color-soft), #fff); }
.product-grid-home { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.home-product-card { min-height: 260px; display: flex; flex-direction: column; }
.home-product-card .text-link { margin-top: auto; padding-top: var(--space-4); }
.home-cta-band { padding: var(--space-8) 0; background: linear-gradient(135deg, var(--color-navy-900), var(--color-navy-800)); color: #fff; }
.home-cta { text-align: center; max-width: 860px; }
.home-cta h2 { color: #fff; }
.home-cta p { color: #d7e6ff; }
.product-hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #eef7ff, #fff); }
.product-hero:before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(#b9d6ff 1px, transparent 1px); background-size: 24px 24px; opacity: .26; }
.product-hero-grid { position: relative; display: grid; grid-template-columns: .88fr 1.12fr; gap: 42px; align-items: center; min-height: 620px; padding: 58px 0 64px; }
.product-hero-copy { max-width: 650px; }
.product-hero-copy p { font-size: 18px; }
.fourme-console { position: relative; background: rgba(255,255,255,.92); border: 1px solid #cfe2ff; border-radius: 24px; padding: 24px; box-shadow: var(--shadow-hero); overflow: hidden; }
.fourme-console:before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,103,255,.08) 1px, transparent 1px), linear-gradient(180deg, rgba(18,103,255,.08) 1px, transparent 1px); background-size: 36px 36px; opacity: .34; }
.console-top, .console-stats, .console-lanes { position: relative; z-index: 1; }
.console-top { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 18px; }
.console-top span { color: var(--color-blue-600); font-weight: 900; }
.console-top strong { color: var(--color-navy-900); }
.console-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.console-stats article, .console-lanes article { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md); box-shadow: 0 10px 28px rgba(43,89,145,.08); }
.console-stats article { padding: 14px; min-height: 82px; display: grid; align-content: center; gap: 6px; }
.console-stats b { color: var(--color-navy-900); }
.console-stats span, .console-lanes span { color: var(--color-muted); font-size: 13px; line-height: 1.5; }
.console-lanes { display: grid; gap: 10px; }
.console-lanes article { padding: 16px; display: grid; gap: 6px; border-left: 4px solid var(--color-blue-600); }
.console-lanes b { color: var(--color-navy-900); }
.product-value-band { background: #fff; }
.value-grid, .module-grid, .ops-cards { display: grid; gap: var(--space-4); }
.value-grid { grid-template-columns: repeat(4, 1fr); }
.module-grid { grid-template-columns: repeat(3, 1fr); }
.ops-cards { grid-template-columns: repeat(4, 1fr); margin-top: var(--space-6); }
.value-card, .module-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-card); }
.value-card span, .module-card span { color: var(--color-blue-600); font-weight: 900; display: inline-flex; margin-bottom: 10px; }
.value-card h3, .module-card h3 { margin-bottom: 10px; }
.fourme-modules-band { background: linear-gradient(180deg, var(--color-soft), #fff); }
.fourme-workflow-band { background: #fff; }
.workflow-panel { display: grid; grid-template-columns: .78fr 1.22fr; gap: var(--space-7); align-items: center; }
.workflow-rail { list-style: none; counter-reset: fourmeflow; padding: 0; margin: 0; display: grid; gap: 12px; }
.workflow-rail li { counter-increment: fourmeflow; display: grid; grid-template-columns: 42px 1fr; column-gap: 14px; align-items: start; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 16px; box-shadow: var(--shadow-card); }
.workflow-rail li:before { content: counter(fourmeflow); width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--color-blue-600); color: #fff; font-weight: 900; grid-row: span 2; }
.workflow-rail b { color: var(--color-navy-900); }
.workflow-rail span { color: var(--color-muted); font-size: 14px; line-height: 1.55; }
.ops-band { background: linear-gradient(180deg, #fff, var(--color-soft)); }
.capability-hero.ai { background: linear-gradient(180deg, #edf8ff, #fff); }
.capability-hero.pd { background: linear-gradient(180deg, #eef7ff, #fff); }
.capability-hero.scale { background: linear-gradient(180deg, #fff8ec, #fff); }
.capability-visual { position: relative; background: rgba(255,255,255,.92); border: 1px solid #cfe2ff; border-radius: 24px; padding: 24px; box-shadow: var(--shadow-hero); overflow: hidden; }
.capability-visual:before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,103,255,.08) 1px, transparent 1px), linear-gradient(180deg, rgba(18,103,255,.08) 1px, transparent 1px); background-size: 36px 36px; opacity: .34; }
.capability-visual.scale { border-color: #ffd49b; }
.capability-visual.scale:before { background: linear-gradient(90deg, rgba(241,155,55,.1) 1px, transparent 1px), linear-gradient(180deg, rgba(241,155,55,.1) 1px, transparent 1px); background-size: 36px 36px; }
.capability-visual > strong, .capability-visual > span, .capability-node-grid { position: relative; z-index: 1; }
.capability-visual > strong { display: block; color: var(--color-navy-900); font-size: 30px; line-height: 1.2; margin-bottom: 8px; }
.capability-visual > span { display: block; color: var(--color-muted); margin-bottom: 18px; }
.capability-node-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.capability-node-grid .value-card { min-height: 116px; padding: 18px; }
.capability-section { background: linear-gradient(180deg, #fff, var(--color-soft)); }
.simple-hero-inner { position: relative; max-width: 920px; padding: 72px 0 84px; }
.simple-hero-inner p { max-width: 780px; font-size: 18px; }
.contact-options-band { background: linear-gradient(180deg, #fff, var(--color-soft)); }
.contact-option-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.contact-option-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-card); display: grid; gap: 12px; }
.contact-option-card .text-link { margin-top: 6px; }
.planned-page { min-height: calc(100vh - 76px); display: grid; align-items: center; background: linear-gradient(180deg, #f2f8ff, #fff); padding: var(--space-8) 0; }
.planned-card { background: #fff; border: 1px solid var(--color-line); border-radius: 24px; padding: var(--space-7); box-shadow: var(--shadow-card); }
.footer { background: linear-gradient(180deg, var(--color-navy-900), #031127); color: #dce8ff; padding: 52px 0 28px; }
.footer h3 { color: #fff; }
.footer p, .footer small { color: #b7c6df; }
.footer-grid { display: grid; gap: 18px; }
.footer-login { display: inline-flex; width: max-content; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-md); padding: 12px 16px; text-decoration: none; color: #fff; }
.loading-state { min-height: 420px; display: grid; place-items: center; align-content: center; gap: 8px; color: var(--color-blue-600); }
.chat-launch { position: fixed; right: 28px; bottom: 28px; z-index: 80; border: 0; display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg,var(--color-blue-600),var(--color-blue-700)); color: #fff; border-radius: 999px; padding: 13px 17px; box-shadow: 0 20px 45px rgba(18,103,255,.28); font-weight: 900; cursor: pointer; }
.chat-launch b { background: #ff3b3b; color: #fff; min-width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; }
.hidden { display: none !important; }
.chat-window { position: fixed; right: 28px; bottom: 26px; width: 410px; max-width: calc(100vw - 30px); height: min(680px, calc(100vh - 60px)); z-index: 90; background: #fff; border: 1px solid #d7e7fb; border-radius: 26px; box-shadow: 0 30px 90px rgba(10,38,90,.25); overflow: hidden; display: flex; flex-direction: column; }
.chat-window header { padding: 18px 20px; background: linear-gradient(135deg,var(--color-blue-600),var(--color-cyan-500)); color: #fff; display: flex; justify-content: space-between; align-items: center; }
.chat-window header strong { display: block; font-size: 18px; }
.chat-window header small { opacity: .9; }
.chat-window header button { border: 0; background: rgba(255,255,255,.18); color: #fff; width: 30px; height: 30px; border-radius: 10px; }
.chat-status { margin: 12px 16px 0; font-size: 13px; color: var(--color-muted); }
.chat-quick-actions { display: flex; gap: 8px; padding: 14px 14px 0; flex-wrap: wrap; }
.chat-messages { flex: 1; overflow: auto; padding: 18px; background: linear-gradient(180deg,#f7fbff,#fff); }
.msg { margin: 12px 0; max-width: 90%; }
.msg.visitor { margin-left: auto; text-align: right; }
.msg b { font-size: 12px; color: #6a7790; display: block; margin-bottom: 5px; }
.msg p { display: inline-block; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: 10px 12px; margin: 0; line-height: 1.6; text-align: left; }
.msg.visitor p { background: linear-gradient(135deg,var(--color-blue-600),var(--color-blue-700)); color: #fff; border-color: transparent; }
.push-card { border: 1px solid #b9d6ff; background: #fff; border-radius: var(--radius-lg); padding: 14px; box-shadow: 0 12px 35px rgba(18,103,255,.1); text-align: left; }
.push-card span { font-size: 12px; color: var(--color-blue-600); font-weight: 900; }
.push-card h4 { margin: 6px 0; }
.push-card p { display: block; border: 0; padding: 0; color: var(--color-muted); }
.push-card a { display: inline-flex; margin-top: 10px; color: #fff; background: var(--color-blue-600); border-radius: var(--radius-md); padding: 8px 12px; text-decoration: none; font-weight: 900; }
.chat-input { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; padding: 12px; border-top: 1px solid #e6effc; background: #fff; }
.chat-input input { width: 100%; border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 12px 14px; outline: none; }
.empty { color: #7a879e; text-align: center; }

@keyframes loop-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .system-loop-visual:before { animation: none; }
}

@media (max-width: 1080px) {
  .nav-link { font-size: 14px; padding-left: 6px; padding-right: 6px; }
  .entry-link { padding: 9px 10px; font-size: 14px; }
  .cockpit-body { grid-template-columns: 1fr; }
  .cockpit-core { min-height: 130px; }
  .system-map, .product-grid-home, .value-grid, .module-grid, .ops-cards, .contact-option-grid { grid-template-columns: repeat(2, 1fr); }
  .product-hero-grid, .workflow-panel { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .container { width: min(100% - 28px, 720px); }
  .nav-inner { min-height: 66px; }
  .nav-menu { display: none; position: absolute; left: 14px; right: 14px; top: 70px; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: 10px; box-shadow: var(--shadow-card); }
  .nav-menu.open { display: grid; grid-template-columns: 1fr; }
  .nav-link { padding: 11px 12px; border-bottom: 0; border-radius: var(--radius-md); font-size: 15px; line-height: 1.25; }
  .nav-link.active { background: #edf6ff; }
  .nav-entry-mobile { display: flex; align-items: center; justify-content: center; min-height: 38px; margin-top: 4px; border: 1px solid #bcd5ff; border-radius: var(--radius-md); color: var(--color-blue-600); text-decoration: none; font-weight: 900; }
  .nav-entry-mobile.primary { background: var(--color-blue-600); color: #fff; border-color: var(--color-blue-600); }
  .entry-actions { display: none; }
  .mobile-menu-button { display: block; margin-left: auto; }
  .pui-hero { min-height: auto; }
  .pui-hero-grid, .flow-layout, .product-hero-grid, .workflow-panel { grid-template-columns: 1fr; min-height: auto; padding: 26px 0 34px; gap: 22px; }
  h1 { font-size: 32px; line-height: 1.12; margin-bottom: 14px; }
  h2 { font-size: 28px; }
  .pui-hero-copy p { font-size: 16px; }
  .eyebrow { margin-bottom: 14px; padding: 7px 12px; }
  .hero-body { margin-top: 12px; }
  .cta-row { margin-top: 22px; }
  .system-cockpit { padding: 16px; border-radius: 18px; }
  .system-cockpit:before { background-size: 28px 28px; }
  .cockpit-head { display: grid; margin-bottom: 12px; }
  .cockpit-body { grid-template-columns: 1fr; gap: 12px; }
  .cockpit-core { min-height: auto; padding: 18px; border-radius: var(--radius-md); }
  .cockpit-core strong { font-size: 22px; }
  .cockpit-matrix { grid-template-columns: 1fr; gap: 8px; }
  .cockpit-node { min-height: 58px; padding: 11px 12px; }
  .fourme-console { padding: 16px; border-radius: 18px; }
  .console-top { display: grid; margin-bottom: 12px; }
  .simple-hero-inner { padding: 42px 0 48px; }
  .simple-hero-inner p { font-size: 16px; }
  .console-stats, .console-lanes, .value-grid, .module-grid, .ops-cards, .contact-option-grid, .capability-node-grid, .loop-nodes, .flow-steps, .system-map, .product-grid-home { grid-template-columns: 1fr; }
  .capability-visual { padding: 16px; border-radius: 18px; }
  .capability-visual > strong { font-size: 23px; }
  .console-stats article { min-height: 62px; }
  .workflow-rail li { grid-template-columns: 36px 1fr; padding: 14px; }
  .section-band { padding: 42px 0; }
  .planned-card { padding: var(--space-5); }
  .chat-window { right: 10px; bottom: 10px; max-width: calc(100vw - 20px); height: min(620px, calc(100vh - 20px)); }
  .chat-launch { right: 14px; bottom: 14px; padding: 10px 13px; font-size: 14px; }
  .chat-input { grid-template-columns: 1fr; }
}

/* PUI-1D-1A · 4ME marketing visual system */
:root{--mk-ink:#0b1830;--mk-muted:#66758c;--mk-blue:#1768f2;--mk-blue-deep:#0d4fc4;--mk-surface:#f6f9fd;--mk-border:#e3eaf3;--mk-shadow:0 24px 70px rgba(17,45,86,.10);--mk-shadow-soft:0 14px 40px rgba(17,45,86,.07)}
body{color:var(--mk-ink);background:#fff}.container{width:min(1240px,calc(100% - 56px))}.topbar{background:rgba(255,255,255,.90);border-bottom:1px solid rgba(227,234,243,.9);box-shadow:0 1px 0 rgba(255,255,255,.7)}.nav-inner{min-height:82px;gap:22px}.brand{gap:12px}.brand strong{font-size:18px;letter-spacing:-.02em}.brand small{margin-top:3px;color:#7b8799;font-size:11px;letter-spacing:.03em}.brand-mark,.brand-logo{width:40px;height:40px;border-radius:12px}.brand-logo{object-fit:contain}.brand-mark{box-shadow:0 10px 24px rgba(23,104,242,.22)}.nav-menu{gap:4px}.nav-link{position:relative;padding:31px 9px 27px;border:0;font-size:14px;font-weight:700;color:#3c4a61}.nav-link:after{content:"";position:absolute;left:50%;bottom:18px;width:0;height:2px;border-radius:99px;background:var(--mk-blue);transform:translateX(-50%);transition:width .2s ease}.nav-link.active,.nav-link:hover{color:var(--mk-ink)}.nav-link.active:after,.nav-link:hover:after{width:22px}.entry-link{min-height:40px;border-radius:10px;padding:9px 14px;font-size:14px;font-weight:800}.entry-link.customer{border:0;background:transparent;color:#485970}.entry-link.customer:hover{background:#f4f7fb;color:var(--mk-blue)}.entry-link.system{background:var(--mk-ink);box-shadow:none}.entry-link.system:hover{background:var(--mk-blue)}
.marketing-hero{position:relative;overflow:hidden;padding:86px 0 94px;background:linear-gradient(180deg,#fbfdff 0%,#f5f9ff 72%,#fff 100%)}.marketing-hero:before{content:"";position:absolute;width:720px;height:720px;right:-160px;top:-330px;border-radius:50%;background:radial-gradient(circle,rgba(86,190,255,.20),rgba(86,190,255,0) 68%)}.marketing-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(30,85,150,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(30,85,150,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 88%);pointer-events:none}.marketing-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.88fr) minmax(560px,1.12fr);gap:64px;align-items:center}.marketing-hero-copy{max-width:650px}.marketing-hero .eyebrow,.marketing-heading .eyebrow,.ai-marketing-card .eyebrow,.marketing-final-card .eyebrow{border:0;background:#edf4ff;color:var(--mk-blue);box-shadow:none;padding:7px 11px;font-size:12px;letter-spacing:.05em}.marketing-hero h1{max-width:760px;margin-bottom:24px;color:var(--mk-ink);font-size:clamp(44px,5vw,var(--pui-h1-size,64px));line-height:1.07;letter-spacing:-.045em}.hero-lead{max-width:640px;color:#34465f;font-size:20px!important;line-height:1.72}.marketing-hero .hero-body{max-width:625px;margin-top:14px;color:#738096;font-size:15px!important;line-height:1.8}.marketing-hero .cta-row{margin-top:30px}.btn{border-radius:10px;padding:12px 18px;min-height:46px;font-weight:800;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--mk-blue);box-shadow:0 12px 30px rgba(23,104,242,.22)}.btn.primary:hover{background:var(--mk-blue-deep)}.btn.secondary{color:#27405f;border-color:#d6e0ec;box-shadow:none}.hero-highlights{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;color:#66758b;font-size:13px}.hero-highlights span{display:inline-flex;align-items:center;gap:8px}.hero-highlights span:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mk-blue);box-shadow:0 0 0 4px rgba(23,104,242,.08)}
.product-preview{position:relative;min-width:0;filter:drop-shadow(0 28px 55px rgba(19,46,83,.13))}.product-preview.has-image{overflow:hidden;border-radius:22px;background:#fff;border:1px solid #e3eaf3}.product-preview.has-image img{display:block;width:100%;height:auto;object-fit:cover}.preview-browser{overflow:hidden;border:1px solid rgba(202,216,232,.92);border-radius:20px;background:#fff;box-shadow:0 36px 90px rgba(19,46,83,.13);transform:perspective(1200px) rotateY(-2deg) rotateX(1deg)}.preview-chrome{height:45px;display:flex;align-items:center;gap:7px;padding:0 15px;background:#fbfcfe;border-bottom:1px solid #e9eef5}.preview-chrome>span{width:8px;height:8px;border-radius:50%;background:#d9e1ec}.preview-chrome b{margin-left:9px;color:#7a8798;font-size:11px}.preview-shell{display:grid;grid-template-columns:116px 1fr;min-height:430px;background:#f7f9fc}.preview-sidebar{padding:17px 11px;color:#8090a4;background:#0e1e36}.preview-sidebar strong{display:block;padding:8px 9px 18px;color:#fff;font-size:17px}.preview-sidebar span{display:block;margin-bottom:3px;padding:9px;border-radius:8px;font-size:10px}.preview-sidebar span.active{background:rgba(255,255,255,.12);color:#fff}.preview-main{min-width:0;padding:21px}.preview-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:17px}.preview-title small{display:block;margin-bottom:4px;color:#91a0b2;font-size:9px}.preview-title strong{color:#1c2d46;font-size:14px}.preview-action{border-radius:7px;padding:7px 9px;background:var(--mk-blue);color:#fff;font-size:9px}.preview-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.preview-stats article{min-width:0;padding:13px;border:1px solid #e8edf4;border-radius:10px;background:#fff}.preview-stats span,.preview-stats small{display:block;color:#8592a4;font-size:8px;white-space:nowrap}.preview-stats strong{display:block;margin:7px 0 5px;color:#152945;font-size:17px}.preview-lower{display:grid;grid-template-columns:1.55fr .85fr;gap:10px;margin-top:11px}.preview-chart,.preview-queue{min-height:215px;padding:15px;border:1px solid #e8edf4;border-radius:11px;background:#fff}.preview-chart>span,.preview-queue>span{color:#67778d;font-size:9px;font-weight:800}.chart-line{position:relative;height:150px;margin-top:18px;overflow:hidden;border-bottom:1px solid #edf1f6;background:linear-gradient(to bottom,transparent 32%,#eef2f7 33%,transparent 34%,transparent 65%,#eef2f7 66%,transparent 67%)}.chart-line:before{content:"";position:absolute;left:2%;right:2%;top:40px;height:2px;background:linear-gradient(90deg,#91b7ff,#1768f2 45%,#55c7ff);transform:skewY(-8deg)}.preview-queue p{margin-top:12px;padding:9px 10px;border-radius:8px;background:#f5f8fc;color:#53647a;font-size:9px;line-height:1.4}.preview-float{position:absolute;z-index:3;display:grid;gap:3px;min-width:150px;padding:12px 14px;border:1px solid rgba(220,229,240,.92);border-radius:12px;background:rgba(255,255,255,.94);box-shadow:0 18px 45px rgba(20,55,96,.12);backdrop-filter:blur(12px)}.preview-float b{color:#20344f;font-size:11px}.preview-float span{color:#8390a2;font-size:9px}.preview-float-one{left:-34px;bottom:58px}.preview-float-two{right:-20px;top:94px}
.marketing-section{padding:106px 0}.marketing-heading{max-width:780px;margin-bottom:44px}.marketing-heading h2,.ai-marketing-card h2,.marketing-final-card h2{margin-bottom:16px;color:var(--mk-ink);font-size:clamp(34px,4vw,var(--pui-h2-size,42px));line-height:1.16;letter-spacing:-.035em}.marketing-heading p{max-width:690px;color:var(--mk-muted);font-size:16px;line-height:1.8}.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.pain-card,.marketing-capability-card,.audience-card{position:relative;overflow:hidden;padding:27px;border:1px solid var(--mk-border);border-radius:16px;background:#fff;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.pain-card:hover,.marketing-capability-card:hover,.audience-card:hover{transform:translateY(-3px);border-color:#c8d8eb;box-shadow:var(--mk-shadow-soft)}.pain-card:before{content:"";position:absolute;inset:0 auto auto 0;width:3px;height:100%;background:linear-gradient(180deg,var(--mk-blue),transparent)}.card-kicker{display:inline-block;margin-bottom:30px;color:var(--mk-blue);font-size:10px;font-weight:900;letter-spacing:.11em}.pain-card h3,.marketing-capability-card h3,.audience-card h3{margin-bottom:11px;color:#1d304a;font-size:19px;letter-spacing:-.02em}.pain-card p,.marketing-capability-card p,.audience-card p{color:#748197;font-size:14px;line-height:1.75}.capability-marketing-section{background:var(--mk-surface)}.marketing-capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.marketing-capability-card{min-height:225px}.marketing-capability-card .card-kicker{margin-bottom:48px}.section-link-row{margin-top:28px}.arrow-link:after{content:" →"}.workflow-marketing-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:80px;align-items:start}.workflow-marketing-layout .marketing-heading{position:sticky;top:130px;margin-bottom:0}.marketing-workflow{margin:0;padding:0;list-style:none;border-top:1px solid var(--mk-border)}.marketing-workflow li{display:grid;grid-template-columns:62px 1fr;gap:18px;padding:27px 0;border-bottom:1px solid var(--mk-border)}.marketing-workflow>li>b{color:#a4b0bf;font-size:12px;letter-spacing:.08em}.marketing-workflow h3{margin-bottom:7px;color:#20344f;font-size:18px}.marketing-workflow p{color:#768398;font-size:14px;line-height:1.65}
.ai-marketing-section{padding-top:48px;background:linear-gradient(180deg,#fff,#f7faff)}.ai-marketing-card{position:relative;overflow:hidden;display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;min-height:430px;padding:58px;border-radius:24px;background:#0d1d35;box-shadow:0 34px 80px rgba(12,31,56,.17)}.ai-marketing-card h2{color:#fff}.ai-marketing-card p{max-width:650px;color:#aebdd0;font-size:16px;line-height:1.8}.ai-marketing-card .eyebrow{background:rgba(83,168,255,.12);color:#7fc2ff}.ai-marketing-card .text-link{display:inline-flex;margin-top:25px;color:#8bc8ff}.ai-pill-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.ai-pill-grid span{padding:8px 11px;border:1px solid rgba(255,255,255,.10);border-radius:9px;color:#d4deeb;background:rgba(255,255,255,.04);font-size:12px}.ai-orbit{position:relative;width:min(330px,100%);aspect-ratio:1;margin:auto;display:grid;place-items:center}.ai-orbit strong{position:relative;z-index:5;display:grid;place-items:center;width:92px;height:92px;border-radius:25px;background:linear-gradient(135deg,#1768f2,#52c8ff);color:#fff;font-size:25px;box-shadow:0 20px 50px rgba(23,104,242,.33)}.ai-orbit .orbit{position:absolute;inset:17%;border:1px solid rgba(137,192,255,.22);border-radius:50%}.ai-orbit .orbit-two{inset:4%}.ai-node{position:absolute;z-index:4;display:grid;place-items:center;width:54px;height:54px;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:#172b49;color:#bfcee0;font-size:11px;font-style:normal}.ai-node.n1{top:5%;left:39%}.ai-node.n2{right:4%;top:43%}.ai-node.n3{left:10%;bottom:13%}.ai-node.n4{right:24%;bottom:2%}.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.audience-card{min-height:190px;background:linear-gradient(180deg,#fff,#fbfcfe)}.marketing-final-cta{padding:34px 0 108px}.marketing-final-card{display:flex;align-items:center;justify-content:space-between;gap:50px;padding:50px 54px;border:1px solid #dce7f4;border-radius:22px;background:linear-gradient(120deg,#f4f8ff,#fff 62%);box-shadow:var(--mk-shadow-soft)}.marketing-final-card h2{max-width:700px;margin-bottom:10px}.marketing-final-card p{max-width:650px;color:var(--mk-muted)}.marketing-final-card .cta-row{flex-shrink:0;margin-top:0}
.footer{padding:68px 0 24px;background:#0b172a}.marketing-footer-grid{grid-template-columns:minmax(300px,1.8fr) .7fr .7fr 1fr;gap:60px;align-items:start}.footer-brand h3{margin-bottom:14px;font-size:21px}.footer-brand p{max-width:500px;color:#93a4ba;font-size:14px;line-height:1.8}.footer-keywords{display:inline-block;margin-top:17px;color:#657991;font-size:11px;letter-spacing:.05em}.footer-links{display:grid;gap:11px}.footer-links strong,.footer-entry strong{margin-bottom:5px;color:#eaf1f9;font-size:13px}.footer-links a{color:#8ea0b8;text-decoration:none;font-size:13px}.footer-links a:hover{color:#fff}.footer-entry p{margin:5px 0 14px;color:#8295ad;font-size:12px}.footer-login{padding:10px 13px;border-color:rgba(255,255,255,.11);border-radius:9px;background:rgba(255,255,255,.06);font-size:12px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}.footer-bottom small{color:#657991;font-size:11px}
@media(prefers-reduced-motion:no-preference){.marketing-hero-copy,.product-preview{animation:mk-rise .55s ease both}.product-preview{animation-delay:.06s}@keyframes mk-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:1120px){.marketing-hero-grid{grid-template-columns:.9fr 1.1fr;gap:36px}.preview-shell{grid-template-columns:95px 1fr}.pain-grid{grid-template-columns:repeat(2,1fr)}.marketing-footer-grid{grid-template-columns:1.4fr .7fr .7fr}.footer-entry{grid-column:1/-1}}
@media(max-width:900px){.container{width:min(100% - 30px,760px)}.marketing-hero{padding:54px 0 70px}.marketing-hero-grid{grid-template-columns:1fr;gap:40px}.product-preview{width:min(720px,100%);margin:0 auto}.preview-float-one{left:10px;bottom:-20px}.preview-float-two{right:10px;top:75px}.marketing-section{padding:78px 0}.marketing-capability-grid{grid-template-columns:repeat(2,1fr)}.workflow-marketing-layout{grid-template-columns:1fr;gap:30px}.workflow-marketing-layout .marketing-heading{position:static}.ai-marketing-card{grid-template-columns:1fr;padding:42px}.marketing-final-card{display:grid;padding:38px}.marketing-final-card .cta-row{margin-top:0}}
@media(max-width:640px){.nav-inner{min-height:66px}.brand strong{font-size:16px}.brand small{font-size:10px}.brand-mark,.brand-logo{width:36px;height:36px}.marketing-hero{padding:40px 0 58px}.marketing-hero h1{font-size:38px;line-height:1.1}.hero-lead{font-size:17px!important}.marketing-hero .cta-row .btn{width:100%}.hero-highlights{display:grid;grid-template-columns:1fr 1fr;gap:10px}.preview-browser{transform:none;border-radius:14px}.preview-shell{grid-template-columns:72px 1fr;min-height:340px}.preview-sidebar{padding:10px 6px}.preview-sidebar strong{font-size:13px;padding:7px 6px 12px}.preview-sidebar span{font-size:7px;padding:7px 5px}.preview-main{padding:12px}.preview-action{display:none}.preview-title strong{font-size:11px}.preview-stats{grid-template-columns:repeat(2,1fr)}.preview-stats article:nth-child(n+3){display:none}.preview-lower{grid-template-columns:1fr}.preview-queue{display:none}.preview-chart{min-height:150px}.chart-line{height:95px}.preview-float{display:none}.marketing-section{padding:62px 0}.marketing-heading{margin-bottom:30px}.marketing-heading h2,.ai-marketing-card h2,.marketing-final-card h2{font-size:30px}.pain-grid,.marketing-capability-grid,.audience-grid{grid-template-columns:1fr}.pain-card,.marketing-capability-card,.audience-card{padding:23px;min-height:auto}.marketing-capability-card .card-kicker,.card-kicker{margin-bottom:24px}.marketing-workflow li{grid-template-columns:42px 1fr;padding:21px 0}.ai-marketing-section{padding-top:30px}.ai-marketing-card{padding:30px 24px;border-radius:18px}.marketing-final-cta{padding-bottom:72px}.marketing-final-card{padding:30px 24px;border-radius:18px}.marketing-final-card .cta-row .btn{width:100%}.marketing-footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px}.footer-brand,.footer-entry{grid-column:1/-1}.footer-bottom{display:grid;margin-top:36px}}

/* PUI-1D-1B · 4ME product sales page */
.fourme-marketing-hero{position:relative;overflow:hidden;padding:78px 0 84px;background:radial-gradient(circle at 82% 12%,rgba(49,125,255,.16),transparent 30%),linear-gradient(180deg,#f7faff 0,#fff 78%)}
.fourme-marketing-hero:after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(20,69,140,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,140,.035) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(90deg,transparent,#000 35%,#000)}
.fourme-marketing-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.92fr) minmax(520px,1.08fr);gap:56px;align-items:center}
.fourme-marketing-copy{max-width:670px}.fourme-marketing-copy h1{max-width:760px;margin:20px 0 20px;font-size:clamp(44px,5vw,68px);line-height:1.04;letter-spacing:-.045em;color:var(--color-navy-900)}
.fourme-marketing-copy .hero-lead{max-width:640px;margin-bottom:13px;font-size:20px;line-height:1.7;color:#263b58}.fourme-marketing-copy .hero-body{max-width:620px;color:var(--color-muted);line-height:1.8}
.fourme-hero-highlights{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px}.fourme-hero-highlights span{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid #dce8f7;border-radius:999px;background:rgba(255,255,255,.86);color:#40536c;font-size:12px;font-weight:760}.fourme-hero-highlights span:before{content:"";width:6px;height:6px;border-radius:50%;background:#1768f2;box-shadow:0 0 0 4px rgba(23,104,242,.08)}
.fourme-product-visual{position:relative;min-width:0}.fourme-product-shot-frame,.fourme-product-mock{overflow:hidden;border:1px solid #d9e5f4;border-radius:22px;background:#fff;box-shadow:0 28px 75px rgba(21,57,108,.16)}
.product-shot-browserbar,.fourme-mock-bar{display:flex;align-items:center;gap:7px;height:43px;padding:0 15px;border-bottom:1px solid #e6eef8;background:#fbfdff}.product-shot-browserbar i,.mock-dots i{display:block;width:7px;height:7px;border-radius:50%;background:#c8d5e6}.product-shot-browserbar span{margin-left:7px;color:#7a8ba1;font-size:10px}.fourme-product-shot{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top center;background:#eef4fb}
.fourme-mock-bar{justify-content:flex-start}.mock-dots{display:flex;gap:6px}.fourme-mock-bar strong{margin-left:8px;color:#30445f;font-size:11px}.fourme-mock-bar>span{margin-left:auto;padding:5px 8px;border-radius:999px;background:#eef5ff;color:#1768f2;font-size:9px;font-weight:800}.fourme-mock-shell{display:grid;grid-template-columns:110px 1fr;min-height:440px}.fourme-mock-side{display:grid;align-content:start;gap:5px;padding:18px 10px;background:#0d1d34;color:#90a7c3}.fourme-mock-side b{padding:6px 9px 14px;color:#fff;font-size:15px}.fourme-mock-side span{padding:9px 10px;border-radius:8px;font-size:10px}.fourme-mock-side span.active{background:#1768f2;color:#fff}.fourme-mock-main{padding:22px;background:linear-gradient(180deg,#f9fbfe,#f5f8fc)}.fourme-mock-title{display:flex;justify-content:space-between;align-items:center}.fourme-mock-title small{display:block;margin-bottom:4px;color:#8190a5;font-size:9px}.fourme-mock-title strong{color:#203650;font-size:15px}.fourme-mock-title button{border:0;border-radius:8px;background:#1768f2;color:#fff;padding:8px 10px;font-size:9px}.fourme-mock-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:19px}.fourme-mock-stats article{min-height:70px;padding:12px;border:1px solid #e2eaf4;border-radius:11px;background:#fff}.fourme-mock-stats span{display:block;color:#8a99ad;font-size:8px}.fourme-mock-stats b{display:block;margin-top:10px;color:#203650;font-size:10px}.fourme-mock-lower{display:grid;grid-template-columns:1.3fr .7fr;gap:11px;margin-top:12px}.fourme-mock-flow,.fourme-mock-list{min-height:178px;padding:14px;border:1px solid #e2eaf4;border-radius:12px;background:#fff}.fourme-mock-flow>strong,.fourme-mock-list>strong{color:#42556e;font-size:10px}.fourme-mock-flow-row{display:grid;grid-template-columns:74px 1fr;align-items:center;gap:8px;margin-top:17px;color:#708196;font-size:8px}.fourme-mock-flow-row i{position:relative;height:6px;border-radius:999px;background:#edf2f8;overflow:hidden}.fourme-mock-flow-row i:after{content:"";position:absolute;inset:0 auto 0 0;width:var(--progress);border-radius:inherit;background:linear-gradient(90deg,#1768f2,#63c3ff)}.fourme-mock-list>div{display:flex;justify-content:space-between;gap:8px;padding:12px 0;border-bottom:1px solid #edf2f7;font-size:8px}.fourme-mock-list>div:last-child{border:0}.fourme-mock-list b{color:#344a66}.fourme-mock-list span{color:#8a99ad}
.fourme-value-section{background:#fff}.fourme-value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.fourme-value-card{min-height:230px;padding:28px;border:1px solid #e1e9f3;border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdff);box-shadow:0 8px 24px rgba(29,56,93,.045)}.fourme-value-card h3{margin:34px 0 11px;font-size:21px}.fourme-value-card p{color:var(--color-muted);line-height:1.75}.fourme-value-card .card-kicker{color:#1768f2;font-size:10px;font-weight:850;letter-spacing:.12em}
.fourme-module-section{background:linear-gradient(180deg,#f7faff,#fff)}.fourme-module-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.fourme-module-card{display:grid;grid-template-columns:180px 1fr;min-height:240px;overflow:hidden;border:1px solid #dfe8f4;border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(28,55,91,.055)}.fourme-module-visual{display:grid;place-items:center;min-height:100%;background:linear-gradient(145deg,#102643,#153a67)}.fourme-module-visual img{width:100%;height:100%;object-fit:cover}.module-glyph{width:116px;display:grid;gap:14px;padding:20px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.05);box-shadow:0 20px 40px rgba(0,0,0,.15)}.module-glyph>span{color:#8fc8ff;font-size:10px;font-weight:900;letter-spacing:.15em}.glyph-lines{display:grid;gap:7px}.glyph-lines i{display:block;height:7px;border-radius:999px;background:rgba(255,255,255,.15)}.glyph-lines i:nth-child(1){width:88%}.glyph-lines i:nth-child(2){width:62%;background:#1e7cff}.glyph-lines i:nth-child(3){width:76%}.fourme-module-body{padding:30px 28px}.fourme-module-body .card-kicker{color:#1768f2;font-size:10px;font-weight:900;letter-spacing:.12em}.fourme-module-body h3{margin:16px 0 10px;font-size:23px}.fourme-module-body p{color:var(--color-muted);line-height:1.75}.module-benefit{display:block;margin-top:20px;padding-top:16px;border-top:1px solid #edf1f6;color:#405977;font-size:12px}
.fourme-role-section{background:#fff}.fourme-role-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.fourme-role-card{min-height:210px;padding:27px;border:1px solid #e0e8f2;border-radius:18px;background:#fff}.fourme-role-card>span{display:inline-flex;padding:6px 9px;border-radius:8px;background:#eef5ff;color:#1768f2;font-size:10px;font-weight:900}.fourme-role-card h3{margin:28px 0 10px;font-size:20px}.fourme-role-card p{color:var(--color-muted);line-height:1.75}
.fourme-business-chain-section{background:#0b1b31;color:#fff}.fourme-business-chain-section .marketing-heading h2{color:#fff}.fourme-business-chain-section .marketing-heading p{color:#9eb1c9}.fourme-business-chain-section .eyebrow{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.07);color:#85c5ff}.fourme-business-chain{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin:38px 0 0;padding:0;list-style:none;border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden}.fourme-business-chain li{position:relative;min-height:235px;padding:24px 18px;border-right:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01))}.fourme-business-chain li:last-child{border-right:0}.chain-index{color:#56adff;font-size:10px;font-weight:900;letter-spacing:.14em}.fourme-business-chain h3{margin:54px 0 11px;color:#fff;font-size:17px}.fourme-business-chain p{color:#91a5be;font-size:13px;line-height:1.7}.fourme-business-chain li:not(:last-child):after{content:"→";position:absolute;right:-8px;top:50%;z-index:2;width:16px;height:16px;color:#4c8fd5;font-size:12px}
.fourme-ai-section{padding:96px 0;background:linear-gradient(180deg,#0b1b31,#102541)}.fourme-ai-card{display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:center}.fourme-ai-copy h2{max-width:760px;margin:20px 0 14px;color:#fff;font-size:40px;line-height:1.14}.fourme-ai-copy>p{max-width:720px;color:#9db1c9;line-height:1.8}.fourme-ai-highlights{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}.fourme-ai-highlights span{padding:9px 12px;border:1px solid rgba(255,255,255,.1);border-radius:999px;background:rgba(255,255,255,.04);color:#c9d8e8;font-size:11px}.text-link.light{color:#7ec3ff}.fourme-ai-visual{position:relative;display:grid;place-items:center;min-height:300px;border:1px solid rgba(255,255,255,.1);border-radius:28px;background:radial-gradient(circle at center,rgba(32,119,255,.26),transparent 48%),rgba(255,255,255,.025)}.fourme-ai-visual strong{display:grid;place-items:center;width:108px;height:108px;border-radius:30px;background:#1768f2;color:#fff;font-size:25px;box-shadow:0 24px 65px rgba(23,104,242,.35)}.fourme-ai-visual>span{position:absolute;top:38px;color:#8aa4c3;font-size:10px;letter-spacing:.12em}.fourme-ai-visual i{position:absolute;right:52px;bottom:52px;display:grid;place-items:center;width:64px;height:64px;border:1px solid rgba(255,255,255,.13);border-radius:19px;background:#173153;color:#8eceff;font-style:normal;font-weight:900}.fourme-ai-visual small{position:absolute;left:44px;bottom:42px;color:#6683a7;font-size:9px}
.fourme-implementation-section{background:#fff}.fourme-implementation-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.fourme-implementation-grid article{min-height:210px;padding:28px;border:1px solid #e0e8f2;border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdff)}.fourme-implementation-grid article>span{color:#1768f2;font-size:11px;font-weight:900;letter-spacing:.13em}.fourme-implementation-grid h3{margin:34px 0 10px;font-size:19px}.fourme-implementation-grid p{color:var(--color-muted);line-height:1.72}
.fourme-faq-section{background:#f8fafd}.fourme-faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}.fourme-faq-layout .marketing-heading{position:sticky;top:110px;margin:0}.fourme-faq-list{display:grid;gap:12px}.fourme-faq-item{border:1px solid #dfe8f3;border-radius:14px;background:#fff;box-shadow:0 6px 20px rgba(22,51,89,.035)}.fourme-faq-item summary{cursor:pointer;list-style:none;padding:21px 22px;color:#223b59;font-weight:800}.fourme-faq-item summary::-webkit-details-marker{display:none}.fourme-faq-item summary:after{content:"＋";float:right;color:#1768f2}.fourme-faq-item[open] summary:after{content:"－"}.fourme-faq-item p{margin:0;padding:0 22px 22px;color:var(--color-muted);line-height:1.75}.fourme-final-cta{background:#f8fafd}.fourme-final-card .eyebrow{margin-bottom:13px}
@media(max-width:1100px){.fourme-marketing-hero-grid{grid-template-columns:1fr;gap:42px}.fourme-product-visual{width:min(820px,100%);margin:auto}.fourme-value-grid,.fourme-role-grid,.fourme-implementation-grid{grid-template-columns:repeat(2,1fr)}.fourme-business-chain{grid-template-columns:repeat(3,1fr)}.fourme-business-chain li:nth-child(3){border-right:0}.fourme-business-chain li:nth-child(n+4){border-top:1px solid rgba(255,255,255,.08)}.fourme-ai-card{grid-template-columns:1fr}.fourme-ai-visual{min-height:250px}.fourme-faq-layout{grid-template-columns:1fr}.fourme-faq-layout .marketing-heading{position:static}}
@media(max-width:760px){.fourme-marketing-hero{padding:48px 0 60px}.fourme-marketing-copy h1{font-size:40px}.fourme-marketing-copy .hero-lead{font-size:17px}.fourme-marketing-copy .cta-row .btn{width:100%}.fourme-hero-highlights{display:grid;grid-template-columns:1fr 1fr}.fourme-mock-shell{grid-template-columns:76px 1fr;min-height:350px}.fourme-mock-side{padding:12px 6px}.fourme-mock-side span{padding:7px 5px;font-size:7px}.fourme-mock-main{padding:12px}.fourme-mock-stats{grid-template-columns:repeat(2,1fr)}.fourme-mock-stats article:nth-child(n+3){display:none}.fourme-mock-lower{grid-template-columns:1fr}.fourme-mock-list{display:none}.fourme-module-showcase{grid-template-columns:1fr}.fourme-module-card{grid-template-columns:120px 1fr;min-height:210px}.fourme-module-body{padding:24px 20px}.module-glyph{width:84px;padding:14px}.fourme-value-grid,.fourme-role-grid,.fourme-implementation-grid{grid-template-columns:1fr}.fourme-business-chain{grid-template-columns:1fr}.fourme-business-chain li{min-height:auto;padding:22px}.fourme-business-chain li{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.fourme-business-chain li:last-child{border-bottom:0}.fourme-business-chain li:after{display:none}.fourme-business-chain h3{margin:20px 0 8px}.fourme-ai-section{padding:72px 0}.fourme-ai-copy h2{font-size:31px}.fourme-ai-visual{min-height:220px}.fourme-faq-item summary{padding:18px}.fourme-faq-item p{padding:0 18px 18px}.fourme-final-card .cta-row .btn{width:100%}}
.fourme-mock-action{display:inline-flex;padding:8px 10px;border-radius:8px;background:#1768f2;color:#fff;font-size:9px;font-weight:800}

/* PUI-1D-1C secondary marketing pages */
.marketing-subhero{position:relative;overflow:hidden;background:linear-gradient(180deg,#f6faff 0,#fff 82%);border-bottom:1px solid #e8f0fb}.marketing-subhero-ai{background:radial-gradient(circle at 80% 18%,rgba(52,201,255,.14),transparent 28%),linear-gradient(180deg,#f4f9ff,#fff)}.marketing-subhero-scale{background:radial-gradient(circle at 82% 18%,rgba(245,168,70,.14),transparent 28%),linear-gradient(180deg,#fffaf1,#fff)}.marketing-subhero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;min-height:600px;padding:72px 0}.marketing-subhero-copy{max-width:720px}.marketing-subhero-copy h1{max-width:900px}.marketing-subhero-copy>p{font-size:18px;max-width:720px}.marketing-subhero-visual{min-height:360px;border:1px solid #d7e5f7;border-radius:28px;padding:34px;background:linear-gradient(145deg,#fff,rgba(235,245,255,.86));box-shadow:var(--shadow-hero);display:grid;align-content:end;gap:12px;position:relative;overflow:hidden}.marketing-subhero-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,103,255,.055) 1px,transparent 1px),linear-gradient(180deg,rgba(18,103,255,.055) 1px,transparent 1px);background-size:32px 32px}.marketing-subhero-visual>*{position:relative;z-index:1}.marketing-subhero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.marketing-subhero-visual .visual-kicker{color:var(--color-blue-600);font-weight:900}.marketing-subhero-visual strong{font-size:34px;line-height:1.18;color:var(--color-navy-900)}.marketing-subhero-visual p{margin:0}.marketing-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.marketing-info-card{padding:26px;background:#fff;border:1px solid var(--color-line);border-radius:22px;box-shadow:var(--shadow-card)}.marketing-info-card>span{display:inline-flex;margin-bottom:14px;color:var(--color-blue-600);font-weight:900}.marketing-info-card h3{margin:0 0 10px}.marketing-principles{background:linear-gradient(180deg,#f8fbff,#fff)}.marketing-principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.marketing-principle-grid article{padding:28px;border-top:3px solid var(--color-blue-600);background:#fff;border-radius:18px;box-shadow:var(--shadow-card)}.marketing-principle-grid b,.marketing-step-grid span{color:var(--color-blue-600);font-weight:900}.marketing-step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.marketing-step-grid article{padding:24px;background:#fff;border:1px solid var(--color-line);border-radius:20px}.status-statement{background:#fff8ec}.status-statement-card{padding:36px;border:1px solid #f2d4a4;background:#fffdf8;border-radius:24px}.story-card{max-width:980px}.story-card p{font-size:19px;line-height:1.85}.direct-contact-card{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;background:#071b38;color:#fff;border-radius:28px;padding:38px}.direct-contact-card h2{color:#fff}.direct-contact-list{display:grid;gap:12px}.direct-contact-list a,.direct-contact-list span{padding:14px 16px;border:1px solid rgba(255,255,255,.16);border-radius:14px;color:#fff;text-decoration:none;background:rgba(255,255,255,.06)}
@media(max-width:900px){.marketing-subhero-grid{grid-template-columns:1fr;min-height:auto;padding:52px 0}.marketing-subhero-visual{min-height:280px}.marketing-card-grid,.marketing-step-grid{grid-template-columns:repeat(2,1fr)}.marketing-principle-grid{grid-template-columns:1fr}.direct-contact-card{grid-template-columns:1fr}}
@media(max-width:620px){.marketing-card-grid,.marketing-step-grid{grid-template-columns:1fr}.marketing-subhero-grid{gap:28px}.marketing-subhero-visual{min-height:240px;padding:24px}.marketing-subhero-visual strong{font-size:28px}}
.company-relation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.company-relation-grid article{padding:28px;background:#fff;border:1px solid var(--color-line);border-radius:22px;box-shadow:var(--shadow-card)}.company-relation-grid span{display:block;color:var(--color-blue-600);font-weight:900;margin-bottom:10px}@media(max-width:800px){.company-relation-grid{grid-template-columns:1fr}}

/* PUI-1D-1E · customer-facing 4ME product advisor chat */
.chat-launch{right:26px;bottom:26px;min-width:176px;justify-content:flex-start;padding:11px 15px 11px 11px;border:1px solid rgba(255,255,255,.22);border-radius:18px;background:#0b1830;box-shadow:0 22px 55px rgba(11,24,48,.24)}
.chat-launch:hover{transform:translateY(-2px);box-shadow:0 26px 65px rgba(11,24,48,.3)}
.chat-launch-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#1768f2,#57b7ff);font-size:15px}.chat-launch-copy{display:grid;gap:1px;text-align:left}.chat-launch-copy strong{font-size:13px}.chat-launch-copy small{color:#aab9cc;font-size:9px;font-weight:700}.chat-unread-badge{position:absolute;right:-5px;top:-6px;min-width:22px;height:22px;padding:0 5px!important;border:2px solid #fff!important;background:#ee4444!important;font-size:10px!important}
.chat-window{right:26px;bottom:24px;width:430px;height:min(710px,calc(100vh - 50px));border-radius:24px;border:1px solid #dce7f4;box-shadow:0 34px 100px rgba(8,31,68,.25)}
.chat-window .chat-header{padding:16px 17px;background:#0b1830}.chat-advisor{display:flex;align-items:center;gap:11px}.advisor-avatar{display:grid;place-items:center;flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#1768f2,#5bbcff);color:#fff;font-size:9px;font-weight:900;box-shadow:0 8px 20px rgba(23,104,242,.25)}.advisor-avatar.small{width:32px;height:32px;border-radius:10px;font-size:8px}.chat-advisor strong{font-size:14px}.chat-advisor small{margin-top:2px;color:#aebed2;font-size:10px}.chat-minimize{display:grid!important;place-items:center;width:30px!important;height:30px!important;border-radius:9px!important;background:rgba(255,255,255,.09)!important;font-size:18px;cursor:pointer}.chat-context-bar{display:flex;gap:8px;align-items:center;padding:10px 14px;border-bottom:1px solid #e7edf5;background:#fbfcfe;font-size:10px}.chat-context-bar span{color:#8593a5}.chat-context-bar strong{color:#233c5a}.chat-context-bar i{margin-left:auto;padding:3px 7px;border-radius:999px;background:#eaf8f2;color:#17815b;font-style:normal;font-size:9px;font-weight:900}.chat-quick-actions{padding:10px 12px 0;gap:6px}.chat-topic-chip{min-height:29px;padding:0 9px;border:1px solid #d8e3ef;border-radius:999px;background:#fff;color:#5e7189;font-size:10px;font-weight:800;cursor:pointer}.chat-topic-chip:hover,.chat-topic-chip.active{border-color:#9fc2fa;background:#edf5ff;color:#1768f2}.chat-topic-chip.switch-contact{margin-left:auto}.chat-topic-chip:disabled{opacity:.42;cursor:not-allowed}.chat-status{margin:8px 14px 0;padding:8px 10px;border-radius:9px;background:#f7f9fc;color:#718197;font-size:10px;line-height:1.5}.chat-messages{padding:14px 14px 18px;background:linear-gradient(180deg,#f8fafc,#fff)}.chat-welcome{display:flex;gap:9px;margin:4px 0 16px;padding:13px;border:1px solid #e0e9f3;border-radius:15px;background:#fff}.chat-welcome strong{display:block;margin:1px 0 3px;color:#29425f;font-size:11px}.chat-welcome p{margin:0;color:#66788f;font-size:11px;line-height:1.65}.msg{max-width:84%;margin:12px 0}.msg.visitor{margin-left:auto}.message-meta{display:flex;gap:7px;align-items:center;margin:0 3px 4px}.msg.visitor .message-meta{justify-content:flex-end}.message-meta b{display:block;margin:0;color:#73839a;font-size:9px}.message-meta time{color:#9aa7b7;font-size:8px}.msg p{padding:9px 11px;border-radius:14px;font-size:12px;line-height:1.62;box-shadow:0 4px 13px rgba(28,52,83,.035)}.msg.admin p{border-bottom-left-radius:5px}.msg.visitor p{border-bottom-right-radius:5px;background:#1768f2}.push-card{padding:13px;border-color:#d6e4f6;border-radius:15px;box-shadow:0 8px 26px rgba(18,70,135,.07)}.push-card-kind{display:inline-flex!important;padding:4px 7px;border-radius:999px;background:#edf5ff;font-size:9px!important}.push-card h4{margin:8px 0 5px;font-size:13px}.push-card p{font-size:10px!important}.push-card a{margin-top:9px;padding:7px 10px;border-radius:9px;font-size:10px}.chat-input{display:block;padding:11px 12px 12px;border-top:1px solid #e5edf6}.chat-contact-field{display:grid;gap:5px;margin-bottom:9px}.chat-contact-field>span{color:#3e526b;font-size:10px;font-weight:900}.chat-contact-field>small{color:#8b98a9;font-size:9px}.chat-contact-field input{height:38px;padding:0 11px;border:1px solid #d8e2ee;border-radius:10px;font-size:11px}.chat-composer{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}.chat-composer textarea{resize:none;min-height:48px;max-height:100px;padding:10px 11px;border:1px solid #d8e2ee;border-radius:11px;outline:none;font:inherit;font-size:11px;line-height:1.5}.chat-composer textarea:focus,.chat-contact-field input:focus{border-color:#87b4f7;box-shadow:0 0 0 3px rgba(23,104,242,.07)}.chat-send{min-width:56px;height:40px;border:0;border-radius:10px;background:#1768f2;color:#fff;font-size:11px;font-weight:900;cursor:pointer}
@media(max-width:620px){.chat-window{inset:8px;width:auto;max-width:none;height:auto;border-radius:20px}.chat-launch{right:12px;bottom:12px;min-width:0}.chat-launch-copy small{display:none}.chat-topic-chip{font-size:9px;padding:0 7px}.chat-topic-chip.switch-contact{margin-left:0}.chat-messages{padding:12px}.msg{max-width:90%}}

/* PUI-1D-1E-FIX1 accessibility: keyboard focus must remain visible across the marketing site. */
:where(a,button,input,textarea,select,[tabindex]):focus-visible{outline:3px solid rgba(23,104,242,.34);outline-offset:3px}