:root {
  --ink: #080b10;
  --ink-2: #111720;
  --paper: #f2f4f6;
  --white: #ffffff;
  --muted: #6e7785;
  --line: #dde2e8;
  --lime: #6de7ff;
  --lime-dark: #007f9b;
  --blue: #3d68ff;
  --coral: #ff816b;
  --shadow: 0 24px 72px rgba(8, 11, 16, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", ui-sans-serif, system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.shell { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; background: var(--lime); padding: 10px 14px; font-weight: 800; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 76px;
  color: #fff;
  background: rgba(16, 20, 19, .94);
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(18px);
}
.nav { height: 76px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 226px; font-size: 20px; font-weight: 900; }
.brand-mark { position: relative; width: 32px; height: 32px; border: 2px solid var(--lime); border-radius: 7px; transform: rotate(45deg); }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; background: var(--lime); }
.brand-mark::before { width: 2px; height: 20px; left: 7px; top: 4px; }
.brand-mark::after { width: 16px; height: 2px; left: 7px; bottom: 7px; }
.nav-links { display: flex; align-items: center; gap: 28px; color: rgba(255,255,255,.68); font-size: 14px; font-weight: 700; }
.nav-links a { position: relative; padding: 27px 0 25px; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--lime); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 16px; border: 1px solid var(--lime); border-radius: 7px; color: var(--lime); font-size: 14px; font-weight: 850; }
.nav-cta:hover { background: var(--lime); color: var(--ink); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.22); border-radius: 7px; background: transparent; color: #fff; font-size: 20px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 20px; border: 1px solid transparent; border-radius: 7px; font-weight: 850; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--lime); color: var(--ink); }
.button.primary:hover { background: #cbff45; }
.button.secondary { border-color: rgba(255,255,255,.28); color: #fff; background: rgba(255,255,255,.05); }
.button.ink { background: var(--ink); color: #fff; }
.button.outline { border-color: var(--ink); color: var(--ink); }
.button .arrow { font-size: 18px; line-height: 1; }

.hero-home { position: relative; overflow: hidden; min-height: 620px; color: #fff; background: var(--ink); }
.hero-grid-bg { position: absolute; inset: 0; opacity: .42; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 68px 68px; mask-image: linear-gradient(to right, transparent, #000 32%, #000); }
.hero-beam { position: absolute; width: 70%; height: 1px; right: -10%; top: 48%; background: linear-gradient(90deg, transparent, var(--blue), var(--lime)); transform: rotate(-18deg); box-shadow: 0 0 28px rgba(185,242,39,.4); }
.hero-home .shell { position: relative; min-height: 620px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(420px, .9fr); align-items: center; gap: 56px; padding: 44px 0 62px; }
.hero-copy-wrap { position: relative; z-index: 2; max-width: 720px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--lime); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 32px; height: 2px; background: currentColor; }
.hero-home h1, .page-hero h1, .article-hero h1 { margin: 22px 0 0; font-size: 66px; line-height: 1.08; font-weight: 900; letter-spacing: 0; }
.hero-home h1 span { color: var(--lime); }
.hero-lead { max-width: 660px; margin: 24px 0 0; color: rgba(255,255,255,.72); font-size: 18px; line-height: 1.85; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; color: rgba(255,255,255,.62); font-size: 13px; font-weight: 700; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta i { width: 7px; height: 7px; background: var(--lime); border-radius: 2px; transform: rotate(45deg); }

.signal-scene { position: relative; min-height: 470px; align-self: stretch; }
.signal-axis { position: absolute; left: 50%; top: 8%; bottom: 8%; width: 1px; background: linear-gradient(transparent, rgba(185,242,39,.8), transparent); }
.signal-hub { position: absolute; left: calc(50% - 64px); top: calc(50% - 64px); width: 128px; height: 128px; display: grid; place-items: center; border: 1px solid rgba(185,242,39,.75); background: rgba(16,20,19,.88); box-shadow: 0 0 80px rgba(49,92,255,.24); font-weight: 900; text-align: center; }
.signal-hub::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.12); }
.signal-node { position: absolute; width: 210px; min-height: 98px; padding: 16px 18px; border: 1px solid rgba(255,255,255,.18); background: rgba(25,32,30,.82); backdrop-filter: blur(12px); }
.signal-node small { color: var(--lime); font-size: 11px; font-weight: 900; }
.signal-node strong { display: block; margin-top: 5px; font-size: 17px; }
.signal-node span { display: block; margin-top: 4px; color: rgba(255,255,255,.56); font-size: 12px; }
.signal-node::after { content: ""; position: absolute; height: 1px; width: 86px; background: linear-gradient(90deg, rgba(255,255,255,.12), var(--lime)); }
.signal-node.n1 { left: 0; top: 60px; }
.signal-node.n1::after { right: -86px; bottom: 18px; transform: rotate(24deg); transform-origin: left; }
.signal-node.n2 { right: 0; top: 94px; }
.signal-node.n2::after { left: -86px; bottom: 16px; transform: rotate(-20deg); transform-origin: right; }
.signal-node.n3 { right: 22px; bottom: 58px; }
.signal-node.n3::after { left: -86px; top: 18px; transform: rotate(22deg); transform-origin: right; }
.signal-node.n4 { left: 16px; bottom: 82px; }
.signal-node.n4::after { right: -86px; top: 18px; transform: rotate(-26deg); transform-origin: left; }
.pulse { position: absolute; width: 8px; height: 8px; background: var(--lime); box-shadow: 0 0 18px var(--lime); animation: pulse 2.4s ease-in-out infinite; }
.pulse.p1 { left: 34%; top: 30%; }
.pulse.p2 { right: 28%; bottom: 25%; animation-delay: .8s; }
@keyframes pulse { 0%,100% { opacity: .35; transform: scale(.8) rotate(45deg); } 50% { opacity: 1; transform: scale(1.35) rotate(45deg); } }

.ticker { margin-top: -38px; position: relative; z-index: 5; }
.ticker-inner { display: grid; grid-template-columns: 170px 1fr; min-height: 76px; background: var(--lime); box-shadow: var(--shadow); }
.ticker-label { display: grid; place-items: center; border-right: 1px solid rgba(16,20,19,.2); font-size: 13px; font-weight: 900; }
.ticker-items { display: grid; grid-template-columns: repeat(3,1fr); }
.ticker-items span { display: flex; align-items: center; justify-content: center; gap: 10px; border-right: 1px solid rgba(16,20,19,.16); font-weight: 850; }
.ticker-items b { font-size: 12px; opacity: .55; }

.section { padding: 104px 0; }
.section.compact { padding: 72px 0; }
.section.dark { background: var(--ink); color: #fff; }
.section.white { background: #fff; }
.section-head { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, .62fr); gap: 80px; align-items: end; }
.kicker { color: var(--blue); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.section-head h2 { margin: 12px 0 0; max-width: 780px; font-size: 44px; line-height: 1.16; font-weight: 900; }
.section-head p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }
.dark .section-head p { color: rgba(255,255,255,.62); }
.dark .kicker { color: var(--lime); }

.service-showcase { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 46px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-item { position: relative; min-height: 420px; padding: 34px 28px; border-right: 1px solid var(--line); overflow: hidden; transition: background .25s ease, color .25s ease; }
.service-item:first-child { border-left: 1px solid var(--line); }
.service-item:hover { color: #fff; background: var(--ink); }
.service-no { color: var(--blue); font-size: 12px; font-weight: 900; }
.service-item:hover .service-no { color: var(--lime); }
.service-item h3 { margin: 70px 0 0; font-size: 30px; line-height: 1.2; }
.service-item p { margin: 16px 0 0; color: var(--muted); line-height: 1.75; }
.service-item:hover p { color: rgba(255,255,255,.62); }
.service-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 30px; }
.service-tags span { padding: 5px 9px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); font-size: 11px; font-weight: 800; }
.service-item:hover .service-tags span { border-color: rgba(255,255,255,.18); color: rgba(255,255,255,.72); }
.service-link { position: absolute; left: 28px; bottom: 30px; display: flex; align-items: center; gap: 8px; font-weight: 850; }

.value-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 78px; align-items: start; margin-top: 56px; }
.quote-panel { position: sticky; top: 110px; padding-left: 28px; border-left: 5px solid var(--lime); }
.quote-panel blockquote { margin: 0; font-size: 31px; line-height: 1.45; font-weight: 850; }
.quote-panel cite { display: block; margin-top: 24px; color: rgba(255,255,255,.55); font-size: 13px; font-style: normal; }
.value-list { display: grid; border-top: 1px solid rgba(255,255,255,.16); }
.value-row { display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 20px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.value-row b { color: var(--lime); font-size: 12px; }
.value-row h3 { margin: 0; font-size: 22px; }
.value-row p { margin: 7px 0 0; color: rgba(255,255,255,.58); }

.method-grid { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 48px; border: 1px solid var(--line); }
.method-step { min-height: 250px; padding: 28px; border-right: 1px solid var(--line); background: #fff; }
.method-step:last-child { border: 0; }
.method-step b { color: var(--blue); font-size: 12px; }
.method-step h3 { margin: 56px 0 0; font-size: 21px; }
.method-step p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.insight-feature { display: grid; grid-template-columns: 1.05fr .95fr; margin-top: 46px; border: 1px solid var(--line); background: #fff; }
.insight-visual { position: relative; min-height: 420px; padding: 34px; color: #fff; background: var(--ink); overflow: hidden; }
.insight-visual::before { content: ""; position: absolute; inset: 0; opacity: .46; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px); background-size: 44px 44px; }
.visual-word { position: absolute; font-size: 76px; line-height: 1; font-weight: 900; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.28); }
.visual-word.w1 { left: 36px; top: 90px; }
.visual-word.w2 { right: 32px; bottom: 76px; color: var(--lime); -webkit-text-stroke: 0; }
.visual-caption { position: absolute; left: 34px; bottom: 30px; color: rgba(255,255,255,.58); font-size: 12px; }
.insight-copy { padding: 44px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.insight-copy time, .article-meta { color: var(--blue); font-size: 12px; font-weight: 900; }
.insight-copy h3 { margin: 18px 0 0; font-size: 32px; line-height: 1.3; }
.insight-copy p { margin: 18px 0 0; color: var(--muted); line-height: 1.8; }
.text-link { display: inline-flex; gap: 8px; margin-top: 30px; color: var(--blue); font-weight: 850; }
.insight-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 18px; }
.insight-card { min-height: 250px; padding: 26px; border: 1px solid var(--line); background: #fff; }
.insight-card time { color: var(--blue); font-size: 11px; font-weight: 900; }
.insight-card h3 { margin: 36px 0 0; font-size: 20px; line-height: 1.45; }
.insight-card p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.proof-strip { display: grid; grid-template-columns: 1fr 1fr 1fr; border: 1px solid rgba(255,255,255,.15); margin-top: 46px; }
.proof-item { min-height: 170px; padding: 28px; border-right: 1px solid rgba(255,255,255,.15); }
.proof-item:last-child { border: 0; }
.proof-item strong { display: block; color: var(--lime); font-size: 28px; }
.proof-item span { display: block; margin-top: 12px; color: rgba(255,255,255,.58); }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; margin-top: 48px; }
.faq-intro h3 { margin: 0; font-size: 28px; }
.faq-intro p { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: grid; grid-template-columns: 1fr 30px; gap: 20px; align-items: center; padding: 22px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 850; }
.faq-question span:last-child { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; }
.faq-answer { display: none; padding: 0 48px 22px 0; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question span:last-child { background: var(--ink); color: #fff; }

.contact-band { padding: 86px 0; background: var(--blue); color: #fff; }
.contact-grid { display: grid; grid-template-columns: minmax(0,.88fr) minmax(420px,.72fr); gap: 80px; align-items: start; }
.contact-copy h2 { margin: 12px 0 0; font-size: 46px; line-height: 1.18; }
.contact-copy p { max-width: 600px; margin-top: 20px; color: rgba(255,255,255,.72); }
.contact-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.contact-points span { border: 1px solid rgba(255,255,255,.3); border-radius: 5px; padding: 6px 10px; font-size: 12px; font-weight: 800; }
.contact-form { padding: 28px; background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 7px; margin-bottom: 14px; }
.field label { font-size: 12px; font-weight: 850; }
.field input, .field textarea, .field select { width: 100%; min-height: 48px; border: 1px solid var(--line); border-radius: 5px; background: #f8faf7; padding: 11px 12px; color: var(--ink); outline: 0; }
.field textarea { min-height: 92px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(49,92,255,.12); }
.contact-form .button { width: 100%; border: 0; }
.form-status { min-height: 22px; margin: 10px 0 0; color: var(--lime-dark); font-size: 12px; font-weight: 800; }

.page-hero { color: #fff; background: var(--ink); }
.page-hero .shell { min-height: 570px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 72px; padding: 72px 0 80px; }
.page-hero h1 { font-size: 58px; }
.page-hero p { max-width: 700px; margin: 22px 0 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.85; }
.hero-index { display: flex; flex-direction: column; border-top: 1px solid rgba(255,255,255,.18); }
.hero-index a { display: grid; grid-template-columns: 42px 1fr auto; gap: 14px; align-items: center; min-height: 78px; border-bottom: 1px solid rgba(255,255,255,.18); }
.hero-index b { color: var(--lime); font-size: 11px; }
.hero-index strong { font-size: 16px; }
.hero-index span { color: rgba(255,255,255,.45); }

.product-overview { display: grid; grid-template-columns: 320px 1fr; gap: 72px; margin-top: 52px; }
.sticky-summary { position: sticky; top: 110px; }
.sticky-summary h3 { margin: 0; font-size: 25px; }
.sticky-summary p { color: var(--muted); }
.summary-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.summary-tags span { border: 1px solid var(--line); border-radius: 5px; padding: 5px 8px; color: var(--muted); font-size: 11px; font-weight: 800; }
.deliverable-list { border-top: 1px solid var(--line); }
.deliverable { display: grid; grid-template-columns: 80px 1fr 180px; gap: 26px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line); }
.deliverable b { color: var(--blue); font-size: 12px; }
.deliverable h3 { margin: 0; font-size: 22px; }
.deliverable p { margin: 8px 0 0; color: var(--muted); }
.deliverable aside { color: var(--muted); font-size: 13px; }

.scenario-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 44px; }
.scenario { min-height: 260px; padding: 26px; border: 1px solid rgba(255,255,255,.16); }
.scenario b { color: var(--lime); font-size: 11px; }
.scenario h3 { margin: 44px 0 0; font-size: 22px; }
.scenario p { color: rgba(255,255,255,.58); }

.topic-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.topic-cloud span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--muted); font-size: 13px; font-weight: 800; }

.article-hero { padding: 94px 0 72px; background: #fff; border-bottom: 1px solid var(--line); }
.article-hero .shell { max-width: 980px; }
.article-hero h1 { max-width: 900px; font-size: 54px; }
.article-hero p { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: 18px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0,720px); gap: 70px; justify-content: center; padding: 70px 0 100px; }
.article-toc { position: sticky; top: 108px; align-self: start; border-left: 2px solid var(--line); padding-left: 18px; }
.article-toc strong { font-size: 12px; }
.article-toc a { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }
.prose { font-size: 17px; line-height: 1.95; }
.prose h2 { margin: 54px 0 16px; font-size: 32px; line-height: 1.3; }
.prose h3 { margin: 34px 0 12px; font-size: 22px; }
.prose p { margin: 18px 0; color: #3f4946; }
.prose ul { padding-left: 22px; color: #3f4946; }
.prose li { margin: 10px 0; }
.answer-box { margin: 30px 0; padding: 24px; border-left: 5px solid var(--lime); background: #fff; box-shadow: var(--shadow); }
.answer-box strong { display: block; color: var(--blue); font-size: 12px; }
.answer-box p { margin-bottom: 0; color: var(--ink); font-weight: 750; }
.source-note { margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 86px; margin-top: 52px; }
.about-statement { font-size: 31px; line-height: 1.5; font-weight: 850; }
.about-copy p { color: var(--muted); font-size: 16px; line-height: 1.9; }
.principles { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 48px; border: 1px solid var(--line); }
.principle { min-height: 220px; padding: 26px; border-right: 1px solid var(--line); background: #fff; }
.principle:last-child { border: 0; }
.principle b { color: var(--blue); font-size: 12px; }
.principle h3 { margin: 44px 0 0; font-size: 21px; }
.principle p { color: var(--muted); font-size: 14px; }

.site-footer { color: rgba(255,255,255,.64); background: var(--ink); }
.footer-main { display: grid; grid-template-columns: 1.25fr .75fr .75fr .75fr; gap: 54px; padding: 70px 0 46px; }
.footer-brand .brand { color: #fff; }
.footer-brand p { max-width: 380px; margin-top: 20px; font-size: 14px; }
.footer-col strong { color: #fff; font-size: 13px; }
.footer-col a { display: block; margin-top: 12px; font-size: 13px; }
.footer-col a:hover { color: var(--lime); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 28px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }

.reveal { opacity: 1; }
.reveal.revealed { animation: slideIn .6s ease both; }
@keyframes slideIn { from { transform: translateY(30px); } to { transform: translateY(0); } }

@media (max-width: 1100px) {
  .nav-links { gap: 18px; }
  .hero-home h1, .page-hero h1 { font-size: 52px; }
  .hero-home .shell { grid-template-columns: 1fr .86fr; }
  .signal-node { width: 180px; }
  .section-head { gap: 44px; }
  .service-item h3 { font-size: 26px; }
}

@media (max-width: 900px) {
  .shell { width: min(100% - 32px, 760px); }
  .nav { gap: 16px; }
  .brand { min-width: 0; }
  .nav-links { position: fixed; inset: 76px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px 16px 28px; background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.16); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 8px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-links a.active::after { display: none; }
  .nav-cta { display: none; }
  .menu-toggle { display: grid; place-items: center; }
  .hero-home .shell, .page-hero .shell { grid-template-columns: 1fr; min-height: 0; }
  .hero-home .shell { padding-top: 78px; }
  .signal-scene { min-height: 470px; }
  .ticker { margin-top: 0; }
  .ticker-inner { grid-template-columns: 1fr; }
  .ticker-label { min-height: 50px; border-right: 0; border-bottom: 1px solid rgba(16,20,19,.2); }
  .section-head, .value-grid, .faq-grid, .contact-grid, .product-overview, .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .service-showcase, .insight-list, .scenario-grid, .principles { grid-template-columns: 1fr; }
  .service-item { min-height: 330px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .service-item h3 { margin-top: 44px; }
  .quote-panel, .sticky-summary { position: static; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .method-step:nth-child(2) { border-right: 0; }
  .method-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .insight-feature { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 560px); }
  .site-header, .nav { height: 68px; }
  .nav-links { top: 68px; }
  .brand { font-size: 17px; }
  .brand-mark { width: 29px; height: 29px; }
  .hero-home { min-height: 0; }
  .hero-home .shell { padding: 60px 0 40px; }
  .hero-home h1, .page-hero h1, .article-hero h1 { font-size: 40px; }
  .hero-lead, .page-hero p { font-size: 16px; }
  .actions .button { width: 100%; }
  .signal-scene { min-height: 390px; margin-top: 18px; }
  .signal-hub { left: calc(50% - 50px); top: calc(50% - 50px); width: 100px; height: 100px; font-size: 13px; }
  .signal-node { width: 145px; min-height: 82px; padding: 11px; }
  .signal-node strong { font-size: 14px; }
  .signal-node span { display: none; }
  .signal-node.n1 { top: 28px; }
  .signal-node.n2 { top: 54px; }
  .signal-node.n3 { right: 0; bottom: 32px; }
  .signal-node.n4 { left: 0; bottom: 52px; }
  .signal-node::after { width: 50px; }
  .signal-node.n1::after, .signal-node.n4::after { right: -50px; }
  .signal-node.n2::after, .signal-node.n3::after { left: -50px; }
  .ticker-items { grid-template-columns: 1fr; }
  .ticker-items span { min-height: 52px; border-right: 0; border-bottom: 1px solid rgba(16,20,19,.15); }
  .section { padding: 74px 0; }
  .section-head { display: block; }
  .section-head h2 { font-size: 34px; }
  .section-head p { margin-top: 18px; }
  .service-showcase { margin-top: 34px; }
  .service-item { min-height: 360px; }
  .quote-panel blockquote, .about-statement { font-size: 25px; }
  .value-row { grid-template-columns: 48px 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .method-step { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .insight-visual { min-height: 300px; }
  .visual-word { font-size: 54px; }
  .insight-copy { padding: 28px; }
  .insight-copy h3 { font-size: 26px; }
  .proof-strip, .form-row { grid-template-columns: 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.15); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-copy h2 { font-size: 36px; }
  .contact-form { padding: 20px; }
  .page-hero .shell { padding: 58px 0; }
  .hero-index { margin-top: 12px; }
  .deliverable { grid-template-columns: 48px 1fr; }
  .deliverable aside { grid-column: 2; }
  .article-hero { padding: 62px 0 48px; }
  .article-layout { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 70px; }
  .article-toc { position: static; }
  .prose { font-size: 16px; }
  .prose h2 { font-size: 27px; }
  .principle { border-right: 0; border-bottom: 1px solid var(--line); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

/* Wukong-inspired editorial product system */
:root {
  --ink: #151515;
  --ink-2: #22252b;
  --paper: #fbfbfa;
  --muted: #727272;
  --line: #e7e7e4;
  --lime: #315cff;
  --lime-dark: #2347c8;
  --blue: #315cff;
  --coral: #ff6a3d;
  --shadow: 0 24px 80px rgba(29, 32, 38, .09);
}

body { background: var(--paper); color: var(--ink); }
.shell { width: min(1200px, calc(100% - 48px)); }
.site-header { height: 72px; color: var(--ink); background: rgba(251,251,250,.92); border-bottom: 1px solid rgba(21,21,21,.07); }
.nav { height: 72px; }
.brand { min-width: 220px; color: var(--ink); font-size: 18px; font-weight: 760; }
.brand-mark { width: 30px; height: 30px; border: 1px solid rgba(49,92,255,.55); border-radius: 6px; background: #f2f5ff; box-shadow: none; }
.brand-mark::before { inset: 5px; left: 5px; top: 5px; border-color: rgba(49,92,255,.2); }
.brand-mark::after { width: 10px; left: 9px; top: 13px; background: var(--blue); box-shadow: none; }
.nav-links { color: #5f5f5f; font-size: 14px; font-weight: 560; }
.nav-links a { padding-top: 25px; padding-bottom: 23px; }
.nav-links a:hover, .nav-links a.active { color: #111; }
.nav-links a.active::after { background: #111; box-shadow: none; }
.nav-cta { min-height: 40px; border: 0; border-radius: 22px; color: #111; background: #eef1ff; font-weight: 650; }
.nav-cta:hover { color: #fff; background: #111; }
.menu-toggle { border-color: #dededb; color: #111; background: #fff; }

.hero-home { min-height: 0; color: var(--ink); background: var(--paper); border: 0; }
.hero-home::before, .hero-grid-bg, .hero-beam { display: none; }
.hero-home .shell { min-height: 0; display: block; padding: 88px 0 0; }
.hero-copy-wrap { max-width: 900px; margin: 0 auto; text-align: center; }
.hero-symbol { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 26px; border-radius: 8px; color: #fff; background: #111; font-family: "STSong", "Songti SC", serif; font-size: 32px; box-shadow: 0 16px 34px rgba(0,0,0,.12); }
.hero-home h1 { margin: 0; color: #111; font-family: "STSong", "Songti SC", "SimSun", serif; font-size: 64px; line-height: 1.2; font-weight: 600; }
.hero-subtitle { margin: 24px 0 0; font-size: 28px; line-height: 1.3; font-weight: 780; }
.hero-lead { max-width: 720px; margin: 13px auto 0; color: #777; font-size: 16px; line-height: 1.85; }
.hero-copy-wrap .actions { justify-content: center; margin-top: 30px; }
.hero-copy-wrap .button.primary { min-height: 50px; border-radius: 26px; padding: 0 26px; color: #fff; background: #111; box-shadow: 0 12px 30px rgba(0,0,0,.13); }
.hero-copy-wrap .button.primary:hover { color: #fff; background: #315cff; box-shadow: 0 14px 34px rgba(49,92,255,.2); }

.signal-scene.service-demo { position: relative; display: block; min-height: 530px; margin-top: 68px; overflow: visible; border: 1px solid #dfe2e8; border-radius: 8px; color: #111; background: #f2f5ff; box-shadow: 0 34px 90px rgba(42,48,70,.1); transform: none; }
.signal-scene.service-demo::before { display: block; inset: 0; border: 0; opacity: .55; background-image: linear-gradient(rgba(49,92,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(49,92,255,.055) 1px, transparent 1px); background-size: 36px 36px; }
.signal-scene.service-demo::after { display: none; }
.demo-toolbar { position: relative; z-index: 2; display: flex; align-items: center; gap: 10px; min-height: 56px; border-bottom: 1px solid #dfe2e8; padding: 0 20px; background: rgba(255,255,255,.86); }
.demo-logo { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 6px; color: #fff; background: #315cff; font-weight: 850; }
.demo-toolbar strong { font-size: 13px; }
.demo-status { margin-left: auto; color: #55705f; font-size: 11px; }
.demo-status::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: #38b96a; }
.demo-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 180px minmax(0,1fr) 210px; min-height: 472px; }
.demo-sidebar { display: flex; flex-direction: column; gap: 7px; border-right: 1px solid #dfe2e8; padding: 24px 16px; background: rgba(255,255,255,.64); }
.demo-sidebar strong { margin-bottom: 10px; font-size: 12px; }
.demo-sidebar span { padding: 9px 11px; border-radius: 6px; color: #747b88; font-size: 11px; }
.demo-sidebar span.active { color: #2246ca; background: #e6ebff; font-weight: 750; }
.demo-main { padding: 26px 30px; }
.demo-query { border: 1px solid #e0e3ea; border-radius: 8px; background: #fff; padding: 15px 18px; box-shadow: 0 10px 24px rgba(40,44,58,.05); }
.demo-query small { color: #315cff; font-size: 9px; font-weight: 800; }
.demo-query p { margin: 5px 0 0; font-size: 13px; font-weight: 650; }
.demo-answer { margin-top: 22px; }
.demo-answer > small { color: #315cff; font-size: 9px; font-weight: 800; }
.demo-answer h2 { margin: 5px 0 0; font-size: 25px; }
.demo-answer > p { margin: 5px 0 0; color: #747b87; font-size: 12px; }
.diagnosis-list { margin-top: 18px; border-top: 1px solid #dde1e8; }
.diagnosis-list > div { display: grid; grid-template-columns: 28px 1fr 42px; gap: 10px; align-items: center; min-height: 70px; border-bottom: 1px solid #dde1e8; }
.diagnosis-list b { color: #315cff; font-size: 10px; }
.diagnosis-list span strong { display: block; font-size: 12px; }
.diagnosis-list span small { display: block; margin-top: 3px; color: #8a9099; font-size: 9px; }
.diagnosis-list em { color: #315cff; font-size: 9px; font-style: normal; font-weight: 750; text-align: right; }
.demo-insight { border-left: 1px solid #dfe2e8; padding: 27px 22px; background: rgba(255,255,255,.55); }
.demo-insight > small { color: #315cff; font-size: 9px; font-weight: 800; }
.demo-insight > strong { display: block; margin-top: 38px; font-size: 54px; line-height: 1; }
.demo-insight > span { color: #777f8b; font-size: 10px; }
.signal-bars { height: 100px; display: flex; align-items: end; gap: 7px; margin-top: 34px; }
.signal-bars i { flex: 1; border-radius: 3px 3px 0 0; background: #315cff; opacity: .8; }
.demo-insight p { margin: 26px 0 0; color: #7a808a; font-size: 10px; }
.demo-insight b { font-size: 15px; }
.demo-float { position: absolute; z-index: 4; right: 170px; bottom: -22px; display: flex; align-items: center; gap: 10px; min-height: 48px; border: 1px solid #e1e1de; border-radius: 8px; background: #fff; padding: 0 16px; box-shadow: 0 15px 38px rgba(25,27,34,.12); }
.demo-float span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 6px; color: #fff; background: #111; font-size: 10px; font-weight: 800; }
.demo-float p { margin: 0; font-size: 11px; font-weight: 650; }

.ticker { margin-top: 54px; }
.ticker-inner { min-height: 68px; color: #111; background: transparent; border: 0; border-top: 1px solid #e6e6e3; border-bottom: 1px solid #e6e6e3; box-shadow: none; }
.ticker-label { color: #315cff; border-color: #e6e6e3; }
.ticker-items span { color: #333; border-color: #e6e6e3; }
.ticker-items b { color: #315cff; }

.section { padding: 132px 0; }
.section.white { background: #fff; }
.section.dark { color: #111; background: #f5f6fa; }
.section.dark::before { display: none; }
.section-head { display: block; max-width: 850px; margin: 0 auto; text-align: center; }
.kicker, .dark .kicker { color: #315cff; }
.section-head h2 { margin-top: 14px; font-family: "STSong", "Songti SC", "SimSun", serif; font-size: 52px; line-height: 1.25; font-weight: 600; }
.section-head p, .dark .section-head p { max-width: 700px; margin: 20px auto 0; color: #777; }

.service-showcase { display: grid; grid-template-columns: 1fr; gap: 72px; margin-top: 66px; border: 0; }
.service-item, .service-item:first-child { min-height: 520px; display: grid; grid-template-columns: .82fr 1.18fr; align-items: stretch; padding: 0; overflow: hidden; border: 1px solid #e5e6e9; border-radius: 8px; background: #f4f6ff; box-shadow: 0 26px 80px rgba(38,42,55,.07); }
.service-item:nth-child(2) { background: #fff8f3; }
.service-item:nth-child(3) { background: #f2f8f6; }
.service-item:hover { color: #111; background: #f4f6ff; box-shadow: 0 32px 90px rgba(38,42,55,.09); transform: none; }
.service-item:nth-child(2):hover { background: #fff8f3; }
.service-item:nth-child(3):hover { background: #f2f8f6; }
.service-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 58px; }
.service-item:nth-child(even) .service-copy { order: 2; }
.service-no, .service-item:hover .service-no { color: #315cff; font-size: 10px; }
.service-item h3 { margin: 34px 0 0; font-size: 32px; line-height: 1.3; }
.service-item p, .service-item:hover p { color: #747474; }
.service-tags { margin-top: 26px; }
.service-tags span, .service-item:hover .service-tags span { border-color: #dfdfdc; background: rgba(255,255,255,.62); color: #666; }
.service-link { position: static; margin-top: 34px; color: #111; }
.service-art { position: relative; min-height: 520px; overflow: hidden; padding: 54px; }
.service-item:nth-child(even) .service-art { order: 1; }

.geo-art { display: grid; align-content: center; background-image: linear-gradient(rgba(49,92,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(49,92,255,.07) 1px, transparent 1px); background-size: 34px 34px; }
.art-search { width: 82%; margin-left: auto; border: 1px solid #dfe2e8; border-radius: 8px; background: #fff; padding: 16px; font-size: 12px; box-shadow: 0 12px 30px rgba(34,40,62,.08); }
.art-answer { width: 88%; margin-top: 18px; border: 1px solid #dfe2e8; border-radius: 8px; background: #fff; padding: 24px; box-shadow: 0 16px 38px rgba(34,40,62,.1); }
.art-answer small { color: #315cff; font-size: 9px; font-weight: 800; }
.art-answer strong { display: block; margin-top: 8px; font-size: 24px; }
.art-answer p { margin-top: 7px; font-size: 12px; }
.art-answer div { display: flex; gap: 6px; margin-top: 18px; }
.art-answer div span { border-radius: 5px; background: #eef1ff; padding: 6px 8px; color: #3150b5; font-size: 9px; }
.art-cite { width: fit-content; margin: 14px 0 0 auto; border-radius: 6px; color: #607064; background: #e7f3eb; padding: 7px 10px; font-size: 9px; }

.video-art { display: grid; grid-template-columns: .8fr 1fr; gap: 22px; align-items: center; }
.video-phone { min-height: 360px; display: flex; flex-direction: column; justify-content: flex-end; border: 6px solid #111; border-radius: 34px; padding: 24px; color: #fff; background: linear-gradient(165deg, #ff815d 0%, #b643ff 48%, #26396f 100%); box-shadow: 0 20px 45px rgba(44,32,52,.18); }
.video-phone small { opacity: .72; }
.video-phone strong { margin-top: 12px; font-size: 22px; line-height: 1.35; }
.video-phone span { margin-top: 30px; font-size: 10px; }
.video-list { display: grid; border-top: 1px solid #e7ded8; }
.video-list div { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; align-items: center; min-height: 64px; border-bottom: 1px solid #e7ded8; }
.video-list b { color: #ff6a3d; font-size: 10px; }
.video-list span { font-size: 12px; font-weight: 650; }
.video-list em { color: #999; font-size: 9px; font-style: normal; }

.ai-art { display: grid; align-content: center; background-image: linear-gradient(rgba(23,115,83,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(23,115,83,.06) 1px, transparent 1px); background-size: 36px 36px; }
.ai-prompt { margin-left: 12%; border: 1px solid #d9e5df; border-radius: 8px; background: #fff; padding: 17px; font-size: 12px; box-shadow: 0 12px 30px rgba(23,70,53,.07); }
.ai-flow { display: flex; align-items: center; justify-content: center; gap: 9px; margin-top: 30px; }
.ai-flow span { border: 1px solid #cfe1d9; border-radius: 7px; background: #fff; padding: 12px; font-size: 10px; font-weight: 650; }
.ai-flow i { color: #1e7d5c; font-style: normal; }
.ai-result { margin: 28px 8% 0; border: 1px solid #cfe1d9; border-radius: 8px; background: #fff; padding: 22px; box-shadow: 0 16px 38px rgba(23,70,53,.08); }
.ai-result small { color: #1e7d5c; font-size: 9px; }
.ai-result strong { display: block; margin-top: 8px; font-size: 14px; }

.value-grid { color: #111; }
.quote-panel { border-left-color: #315cff; }
.quote-panel cite, .value-row p { color: #777; }
.value-list { border-color: #dedfe3; }
.value-row { border-color: #dedfe3; }
.value-row b { color: #315cff; }
.method-grid { border-color: #e4e4e1; box-shadow: none; }
.method-step { border-color: #e4e4e1; background: #fff; }
.proof-strip { border-color: #dedfe3; }
.proof-item { border-color: #dedfe3; }
.proof-item strong { color: #315cff; }
.proof-item span { color: #777; }
.insight-feature { box-shadow: 0 24px 70px rgba(30,32,40,.07); }
.contact-band { background: #151515; }

.page-hero { color: #111; background: #fbfbfa; border-bottom: 1px solid #e8e8e5; }
.page-hero::before { display: none; }
.page-hero .shell { min-height: 560px; }
.page-hero h1 { color: #111; font-family: "STSong", "Songti SC", "SimSun", serif; font-size: 58px; font-weight: 600; }
.page-hero p { color: #747474; }
.page-hero .eyebrow { color: #315cff; }
.page-hero .button.secondary { border-color: #dededb; color: #111; background: #fff; }
.hero-index { border-color: #e0e0dd; }
.hero-index a { border-color: #e0e0dd; }
.hero-index b, .hero-index span { color: #315cff; }
.article-hero { background: #fbfbfa; }
.site-footer { color: #777; background: #fbfbfa; border-top: 1px solid #e7e7e4; }
.footer-brand .brand, .footer-col strong { color: #111; }
.footer-col a:hover { color: #315cff; }
.footer-bottom { border-color: #e7e7e4; }

@media (max-width: 900px) {
  .site-header, .nav { height: 68px; }
  .nav-links { top: 68px; color: #555; background: rgba(251,251,250,.98); border-color: #e7e7e4; }
  .nav-links a { border-color: #e7e7e4; }
  .hero-home .shell { padding-top: 68px; }
  .signal-scene.service-demo { min-height: 500px; }
  .demo-layout { grid-template-columns: 145px minmax(0,1fr); }
  .demo-insight { display: none; }
  .service-item { grid-template-columns: 1fr; }
  .service-item:nth-child(even) .service-copy { order: 1; }
  .service-item:nth-child(even) .service-art { order: 2; }
  .service-art { min-height: 430px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 560px); }
  .brand { font-size: 16px; }
  .hero-home .shell { padding-top: 54px; }
  .hero-symbol { width: 52px; height: 52px; margin-bottom: 22px; font-size: 26px; }
  .hero-home h1 { font-size: 42px; }
  .hero-subtitle { margin-top: 20px; font-size: 22px; }
  .hero-lead { font-size: 14px; }
  .signal-scene.service-demo { display: block; min-height: 410px; margin-top: 54px; overflow: hidden; }
  .demo-toolbar { min-height: 48px; padding: 0 12px; }
  .demo-toolbar strong { font-size: 10px; }
  .demo-status { font-size: 8px; }
  .demo-layout { grid-template-columns: 1fr; min-height: 362px; }
  .demo-sidebar { display: none; }
  .demo-main { padding: 18px; }
  .demo-query p { font-size: 11px; }
  .demo-answer h2 { font-size: 22px; }
  .diagnosis-list > div { min-height: 62px; }
  .diagnosis-list span small { display: none; }
  .demo-float { display: none; }
  .ticker { margin-top: 32px; }
  .section { padding: 88px 0; }
  .section-head h2 { font-size: 38px; }
  .service-showcase { gap: 34px; margin-top: 44px; }
  .service-item { min-height: 0; }
  .service-copy { padding: 34px 26px; }
  .service-item h3 { margin-top: 24px; font-size: 27px; }
  .service-art { min-height: 320px; padding: 26px; }
  .video-art { grid-template-columns: .88fr 1fr; gap: 12px; }
  .video-phone { min-height: 260px; border-width: 4px; border-radius: 24px; padding: 16px; }
  .video-phone strong { font-size: 16px; }
  .video-list div { min-height: 48px; }
  .ai-flow { gap: 4px; }
  .ai-flow span { padding: 9px 6px; font-size: 8px; }
  .page-hero h1, .article-hero h1 { font-size: 40px; }
}

/* Runtime hero visuals are injected by the public-site runtime on CMS article
   pages as well as the hand-authored static pages. Keep the media inside the
   hero frame even when this legacy stylesheet is the only visual layer loaded. */
.page-hero,
.blog-hero,
.article-hero,
.problem-detail-hero {
  position: relative;
  overflow: hidden;
}

.page-hero.has-page-motion-media,
.blog-hero.has-page-motion-media,
.article-hero.has-page-motion-media,
.problem-detail-hero.has-page-motion-media {
  padding-bottom: clamp(296px, 31vw, 402px);
}

.page-hero > .shell,
.blog-hero > .shell,
.article-hero > .shell,
.problem-detail-hero > .shell {
  position: relative;
  z-index: 2;
}

.page-hero-motion-media {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: clamp(24px, 3vw, 46px);
  width: min(720px, calc(100% - 48px));
  height: clamp(204px, 27vw, 286px);
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(239, 225, 255, .24);
  border-radius: 24px;
  opacity: 0;
  background: #090716;
  box-shadow: 0 24px 72px rgba(0, 0, 0, .38), 0 0 64px rgba(154, 102, 255, .15), inset 0 1px 0 rgba(255, 255, 255, .13);
  pointer-events: none;
  transform: translateX(-50%) translateY(18px) scale(.97);
  transition: opacity .5s ease, transform .7s cubic-bezier(.25, .4, .25, 1);
}

.has-page-motion-media .page-hero-motion-media {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
}

.page-hero-motion-media::before,
.page-hero-motion-media::after {
  position: absolute;
  z-index: 1;
  content: "";
  pointer-events: none;
}

.page-hero-motion-media::before {
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 3, 18, .02), rgba(8, 3, 18, .34));
}

.page-hero-motion-media::after {
  right: -5%;
  bottom: -90%;
  width: 42%;
  aspect-ratio: 1;
  border: 1px solid rgba(222, 189, 255, .2);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(160, 105, 255, .055), 0 0 0 105px rgba(95, 138, 255, .032);
}

.page-hero-motion-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

@keyframes inner-hero-float {
  from { margin-bottom: 0; }
  to { margin-bottom: 8px; }
}

@keyframes inner-hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

@media (prefers-reduced-motion: no-preference) {
  .page-hero-motion-media { animation: inner-hero-float 7s ease-in-out infinite alternate; }
  .page-hero-motion-media img { animation: inner-hero-zoom 15s ease-in-out infinite alternate; }
}

@media (max-width: 680px) {
  .page-hero.has-page-motion-media,
  .blog-hero.has-page-motion-media,
  .article-hero.has-page-motion-media,
  .problem-detail-hero.has-page-motion-media { padding-bottom: 224px; }

  .page-hero-motion-media {
    bottom: 21px;
    width: calc(100% - 28px);
    height: 158px;
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Premium technology visual system */
body { background: var(--paper); color: var(--ink); }
.shell { width: min(1280px, calc(100% - 56px)); }
.site-header { height: 80px; background: rgba(8, 11, 16, .9); border-color: rgba(255,255,255,.08); }
.nav { height: 80px; }
.brand { min-width: 236px; font-size: 19px; font-weight: 800; }
.brand-mark { width: 34px; height: 34px; transform: none; border: 1px solid rgba(109,231,255,.75); border-radius: 4px; background: rgba(109,231,255,.04); box-shadow: inset 0 0 24px rgba(109,231,255,.08); }
.brand-mark::before { inset: 6px; width: auto; height: auto; left: 6px; top: 6px; border: 1px solid rgba(109,231,255,.28); background: transparent; }
.brand-mark::after { width: 12px; height: 2px; left: 10px; top: 15px; bottom: auto; background: var(--lime); box-shadow: 0 0 12px rgba(109,231,255,.75); }
.nav-links { gap: 32px; color: rgba(255,255,255,.56); font-weight: 650; }
.nav-links a { padding-top: 29px; padding-bottom: 27px; }
.nav-links a.active::after { background: var(--lime); box-shadow: 0 0 12px rgba(109,231,255,.65); }
.nav-cta { border-color: rgba(109,231,255,.48); color: #d9faff; background: rgba(109,231,255,.05); font-weight: 700; }
.nav-cta:hover { color: #061014; background: var(--lime); }

.hero-home { min-height: 620px; background: #070a0f; border-bottom: 1px solid rgba(255,255,255,.08); }
.hero-home::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,10,15,.98) 0%, rgba(7,10,15,.88) 44%, rgba(7,10,15,.28) 100%); pointer-events: none; }
.hero-grid-bg { opacity: .52; background-size: 72px 72px; background-image: linear-gradient(rgba(123,151,179,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(123,151,179,.08) 1px, transparent 1px); mask-image: linear-gradient(to right, transparent 6%, #000 38%, #000); }
.hero-beam { width: 78%; right: -16%; top: 54%; background: linear-gradient(90deg, transparent, rgba(61,104,255,.7), var(--lime), transparent); box-shadow: 0 0 20px rgba(109,231,255,.22); opacity: .72; transform: rotate(-13deg); }
.hero-home .shell { min-height: 620px; grid-template-columns: minmax(0,.88fr) minmax(520px,1.12fr); gap: 68px; padding: 40px 0 58px; }
.hero-copy-wrap { max-width: 650px; }
.eyebrow { color: var(--lime); font-size: 11px; font-weight: 750; }
.eyebrow::before { width: 38px; height: 1px; box-shadow: 0 0 10px rgba(109,231,255,.5); }
.hero-home h1 { margin-top: 26px; font-size: 58px; line-height: 1.12; font-weight: 760; }
.hero-home h1 span { color: rgba(255,255,255,.92); }
.hero-home h1 span:last-child { color: var(--lime); text-shadow: 0 0 34px rgba(109,231,255,.12); }
.hero-lead { max-width: 590px; margin-top: 26px; color: rgba(226,235,242,.66); font-size: 17px; line-height: 1.9; }
.button { min-height: 50px; border-radius: 5px; font-weight: 720; }
.button.primary { color: #071014; background: var(--lime); box-shadow: 0 10px 34px rgba(109,231,255,.13); }
.button.primary:hover { background: #9af0ff; box-shadow: 0 14px 40px rgba(109,231,255,.2); }
.button.secondary { border-color: rgba(255,255,255,.18); color: rgba(255,255,255,.84); background: rgba(255,255,255,.025); }
.hero-meta { gap: 24px; margin-top: 34px; color: rgba(216,227,235,.48); font-size: 12px; font-weight: 620; }
.hero-meta i { width: 5px; height: 5px; border-radius: 0; background: var(--lime); box-shadow: 0 0 10px rgba(109,231,255,.8); }

.signal-scene { min-height: 480px; border: 1px solid rgba(155,181,204,.13); background: rgba(11,16,23,.42); box-shadow: inset 0 0 80px rgba(61,104,255,.035); transform: perspective(1200px) rotateX(var(--scene-rx, 0deg)) rotateY(var(--scene-ry, 0deg)); transition: transform .25s ease; }
.signal-scene::before { content: ""; position: absolute; inset: 20px; border: 1px solid rgba(255,255,255,.045); pointer-events: none; }
.signal-scene::after { content: ""; position: absolute; left: 4%; right: 4%; top: 50%; height: 1px; background: linear-gradient(90deg, transparent, rgba(109,231,255,.5), transparent); box-shadow: 0 0 18px rgba(109,231,255,.22); pointer-events: none; }
.scene-meta { position: absolute; z-index: 2; left: 24px; right: 24px; top: 18px; display: flex; justify-content: space-between; color: rgba(199,216,230,.38); font-size: 9px; font-weight: 750; }
.signal-axis { top: 12%; bottom: 10%; background: linear-gradient(transparent, rgba(109,231,255,.45), transparent); }
.signal-hub { left: calc(50% - 78px); top: calc(50% - 78px); z-index: 3; width: 156px; height: 156px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(109,231,255,.7); background: rgba(7,12,18,.94); box-shadow: 0 0 0 10px rgba(109,231,255,.025), 0 0 70px rgba(61,104,255,.12); }
.signal-hub::before { inset: 9px; border-color: rgba(109,231,255,.12); }
.signal-hub small { color: rgba(218,241,248,.44); font-size: 9px; }
.signal-hub strong { margin-top: 4px; color: #fff; font-size: 28px; line-height: 1; }
.signal-hub span { margin-top: 8px; color: var(--lime); font-size: 9px; }
.signal-node { width: 232px; min-height: 88px; padding: 14px 16px; border: 0; border-top: 1px solid rgba(173,197,217,.15); border-bottom: 1px solid rgba(173,197,217,.15); border-left: 2px solid rgba(109,231,255,.62); background: rgba(9,14,20,.68); backdrop-filter: blur(14px); transition: border-color .25s ease, background .25s ease, transform .25s ease; }
.signal-node:hover { border-left-color: #fff; background: rgba(18,26,36,.9); transform: translateX(4px); }
.signal-node small { color: var(--lime); font-size: 9px; font-weight: 750; }
.signal-node strong { margin-top: 7px; font-size: 15px; font-weight: 720; }
.signal-node span { margin-top: 6px; color: rgba(201,218,230,.4); font-size: 9px; }
.signal-node::after { height: 1px; width: 96px; background: linear-gradient(90deg, rgba(109,231,255,.04), rgba(109,231,255,.48)); }
.signal-node.n1 { left: 34px; top: 86px; }
.signal-node.n2 { right: 30px; top: 114px; }
.signal-node.n3 { right: 46px; bottom: 68px; }
.signal-node.n4 { left: 42px; bottom: 98px; }
.signal-node.n1::after { right: -96px; bottom: 16px; }
.signal-node.n2::after { left: -96px; bottom: 14px; }
.signal-node.n3::after { left: -96px; top: 16px; }
.signal-node.n4::after { right: -96px; top: 16px; }
.scene-coordinates { position: absolute; right: 24px; bottom: 18px; color: rgba(199,216,230,.3); font-size: 8px; }
.pulse { width: 5px; height: 5px; background: var(--lime); box-shadow: 0 0 14px var(--lime); }

.ticker { margin-top: -35px; }
.ticker-inner { min-height: 70px; color: #fff; background: rgba(11,15,22,.98); border: 1px solid rgba(145,169,190,.17); box-shadow: 0 20px 70px rgba(0,0,0,.18); }
.ticker-label { color: var(--lime); border-color: rgba(145,169,190,.17); font-size: 10px; }
.ticker-items span { border-color: rgba(145,169,190,.13); color: rgba(255,255,255,.84); font-size: 14px; }
.ticker-items b { color: var(--lime); opacity: .85; }

.section { padding: 116px 0; }
.section.white { background: #f8f9fa; }
.section.dark { position: relative; overflow: hidden; background: #090c12; }
.section.dark::before { content: ""; position: absolute; inset: 0; opacity: .4; background-image: linear-gradient(rgba(145,169,190,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(145,169,190,.05) 1px, transparent 1px); background-size: 76px 76px; pointer-events: none; }
.section.dark > .shell { position: relative; }
.section-head { grid-template-columns: minmax(0,1fr) minmax(360px,.58fr); gap: 100px; }
.kicker { color: var(--blue); font-size: 10px; font-weight: 750; }
.section-head h2 { margin-top: 15px; font-size: 46px; line-height: 1.2; font-weight: 750; }
.section-head p { color: #717b88; line-height: 1.9; }
.dark .section-head p { color: rgba(215,226,235,.5); }
.dark .kicker { color: var(--lime); }

.service-showcase { margin-top: 56px; border-color: #d8dee5; }
.service-item { min-height: 430px; padding: 34px 32px; border-color: #d8dee5; background: transparent; transition: background .25s ease, transform .25s ease, box-shadow .25s ease; }
.service-item:hover { color: var(--ink); background: rgba(255,255,255,.72); box-shadow: 0 30px 80px rgba(8,11,16,.06); transform: translateY(-4px); }
.service-no { color: var(--blue); font-size: 10px; }
.service-item:hover .service-no { color: var(--blue); }
.service-item h3 { margin-top: 82px; font-size: 32px; font-weight: 760; }
.service-item p, .service-item:hover p { color: var(--muted); }
.service-tags span, .service-item:hover .service-tags span { border-color: #d7dde4; color: #77818e; background: rgba(255,255,255,.45); }
.service-link { left: 32px; color: #223cbe; }

.quote-panel { border-left-width: 2px; border-left-color: var(--lime); }
.quote-panel blockquote { font-size: 32px; font-weight: 700; }
.value-row { border-color: rgba(210,225,235,.12); }
.value-row b { color: var(--lime); }
.method-grid { border-color: #d7dde4; box-shadow: 0 24px 80px rgba(8,11,16,.045); }
.method-step { border-color: #e0e4e9; background: rgba(255,255,255,.82); }
.method-step b { color: var(--blue); }
.method-step h3 { font-weight: 730; }

.insight-feature { border-color: #d8dee5; box-shadow: 0 30px 90px rgba(8,11,16,.06); }
.insight-visual { background: #090d14; }
.insight-visual::before { opacity: .55; background-size: 54px 54px; background-image: linear-gradient(rgba(109,231,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(109,231,255,.07) 1px, transparent 1px); }
.visual-word.w2 { color: var(--lime); }
.insight-card { border-color: #dde2e8; background: rgba(255,255,255,.75); }
.text-link { color: #244bd6; }
.proof-strip { border-color: rgba(192,213,226,.12); }
.proof-item { border-color: rgba(192,213,226,.12); }
.proof-item strong { color: var(--lime); font-size: 25px; }

.contact-band { position: relative; overflow: hidden; color: #fff; background: #090d14; border-top: 1px solid rgba(109,231,255,.15); }
.contact-band::before { content: ""; position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(109,231,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(109,231,255,.045) 1px, transparent 1px); background-size: 64px 64px; }
.contact-grid { position: relative; }
.contact-copy h2 { font-weight: 740; }
.contact-form { color: #fff; background: rgba(16,22,31,.94); border: 1px solid rgba(151,181,204,.16); box-shadow: 0 30px 100px rgba(0,0,0,.25); }
.field input, .field textarea, .field select { color: #fff; background: #0b1017; border-color: rgba(162,188,208,.16); }
.field input::placeholder, .field textarea::placeholder { color: rgba(220,231,239,.34); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--lime); box-shadow: 0 0 0 3px rgba(109,231,255,.08); }
.contact-form .button.ink { color: #071014; background: var(--lime); }
.form-status { color: var(--lime); }

.page-hero { position: relative; overflow: hidden; background: #080b10; }
.page-hero::before { content: ""; position: absolute; inset: 0; opacity: .55; background-image: linear-gradient(rgba(109,231,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(109,231,255,.055) 1px, transparent 1px); background-size: 76px 76px; mask-image: linear-gradient(90deg, transparent, #000 46%); }
.page-hero .shell { position: relative; min-height: 590px; }
.page-hero h1 { font-size: 56px; line-height: 1.15; font-weight: 750; }
.page-hero p { color: rgba(218,229,237,.58); }
.hero-index { border-color: rgba(175,198,216,.13); }
.hero-index a { border-color: rgba(175,198,216,.13); }
.hero-index b { color: var(--lime); }
.hero-index span { color: var(--lime); }
.deliverable { border-color: #dce1e7; }
.deliverable b { color: var(--blue); }
.scenario { border-color: rgba(175,198,216,.13); background: rgba(255,255,255,.015); }
.scenario b { color: var(--lime); }

.article-hero { background: #f8f9fa; }
.article-hero h1 { font-size: 54px; font-weight: 750; }
.article-meta { color: #3156d3; }
.answer-box { border-left-width: 2px; border-left-color: var(--blue); box-shadow: 0 24px 70px rgba(8,11,16,.07); }
.answer-box strong { color: var(--blue); }
.site-footer { background: #07090d; }

@media (max-width: 1100px) {
  .hero-home h1 { font-size: 52px; }
  .hero-home .shell { grid-template-columns: minmax(0,.86fr) minmax(460px,1.14fr); gap: 42px; }
  .signal-node { width: 198px; }
}

@media (max-width: 900px) {
  .shell { width: min(100% - 32px, 780px); }
  .site-header, .nav { height: 72px; }
  .nav-links { top: 72px; background: rgba(8,11,16,.98); }
  .hero-home .shell { grid-template-columns: 1fr; min-height: 0; padding-top: 72px; }
  .signal-scene { min-height: 520px; }
  .section-head { gap: 36px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 560px); }
  .site-header, .nav { height: 68px; }
  .nav-links { top: 68px; }
  .brand { font-size: 16px; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-mark::after { left: 8px; top: 13px; }
  .hero-home .shell { padding: 58px 0 46px; }
  .hero-home h1 { font-size: 42px; line-height: 1.15; }
  .hero-lead { font-size: 15px; }
  .signal-scene { display: none; }
  .scene-meta { left: 14px; right: 14px; }
  .signal-hub { left: calc(50% - 54px); top: calc(50% - 54px); width: 108px; height: 108px; }
  .signal-hub strong { font-size: 20px; }
  .signal-node { width: 146px; min-height: 74px; padding: 10px; }
  .signal-node strong { font-size: 12px; }
  .signal-node span { display: none; }
  .signal-node.n1 { left: 12px; top: 62px; }
  .signal-node.n2 { right: 12px; top: 88px; }
  .signal-node.n3 { right: 12px; bottom: 42px; }
  .signal-node.n4 { left: 12px; bottom: 68px; }
  .scene-coordinates { right: 14px; bottom: 10px; }
  .ticker-inner { border-left: 0; border-right: 0; }
  .section { padding: 82px 0; }
  .section-head h2 { font-size: 34px; }
  .page-hero h1, .article-hero h1 { font-size: 40px; }
}