:root {
  --bg: #07111f;
  --panel: #0c1a2d;
  --panel-2: #10233b;
  --line-dark: rgba(172, 199, 232, .16);
  --ink: #101b2b;
  --muted: #5d6a7c;
  --line: #dce3eb;
  --paper: #f3f6f9;
  --white: #fff;
  --blue: #2463eb;
  --blue-light: #76a5ff;
  --cyan: #62d9e8;
  --gold: #c8862d;
  --gold-pale: #fff6e8;
  --sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { min-width: 320px; overflow-x: hidden; background: var(--white); color: var(--ink); font-family: var(--sans); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.skip-link { position: fixed; top: -70px; left: 16px; z-index: 999; padding: 9px 15px; background: #fff; color: #000; text-decoration: none; }
.skip-link:focus { top: 12px; }

.site-header {
  height: 78px;
  padding: 0 max(24px, calc((100vw - 1280px) / 2));
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 17, 31, .94);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  backdrop-filter: blur(18px);
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; text-decoration: none; }
.brand img { width: 38px; height: 38px; }
.brand span { line-height: 1.05; }
.brand b { display: block; font-size: .96rem; letter-spacing: .17em; }
.brand small { color: #93a5bc; font-size: .69rem; letter-spacing: .16em; }
.desktop-nav { display: flex; gap: 32px; margin-right: 36px; }
.desktop-nav a { color: #b2bfd0; font-size: .84rem; font-weight: 600; text-decoration: none; transition: color .2s; }
.desktop-nav a:hover { color: #fff; }
.header-cta { padding: 10px 16px; border: 1px solid #48617e; border-radius: 7px; color: #e9f0f8; font-size: .8rem; font-weight: 600; text-decoration: none; }
.header-cta:hover { border-color: var(--blue-light); color: #fff; }
.menu-button, .mobile-nav { display: none; }

.hero { position: relative; overflow: hidden; background: var(--bg); color: #fff; }
.hero::before { content: ''; position: absolute; width: 700px; height: 700px; top: -410px; right: 0; border-radius: 50%; background: #164bb8; filter: blur(170px); opacity: .24; pointer-events: none; }
.hero-grid {
  min-height: 650px;
  padding: 90px max(24px, calc((100vw - 1280px) / 2)) 75px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(460px, .9fr);
  align-items: center;
  gap: clamp(55px, 8vw, 120px);
}
.hero-copy { position: relative; z-index: 1; }
.hero-label { margin-bottom: 27px; display: flex; align-items: center; gap: 9px; color: #a6b6c9; font-family: var(--mono); font-size: .7rem; letter-spacing: .11em; }
.hero-label span { width: 22px; height: 1px; background: var(--blue-light); }
.hero h1 { max-width: 720px; font-size: clamp(3rem, 5.3vw, 5.15rem); font-weight: 700; line-height: 1.12; letter-spacing: -.055em; }
.hero h1 em { color: var(--blue-light); font-style: normal; }
.hero-copy > p { max-width: 680px; margin: 30px 0 37px; color: #adbbcc; font-size: 1.02rem; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; gap: 25px; }
.btn { min-height: 48px; padding: 0 21px; display: inline-flex; align-items: center; justify-content: center; border-radius: 7px; font-size: .84rem; font-weight: 700; text-decoration: none; transition: .2s; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 14px 35px rgba(36, 99, 235, .25); }
.btn-primary:hover { background: #3471f4; transform: translateY(-2px); }
.btn-quiet { padding: 0; color: #c2cede; }
.btn-quiet span { margin-left: 8px; color: var(--blue-light); }

.product-system { padding: 18px; position: relative; z-index: 1; border: 1px solid rgba(130, 164, 208, .22); border-radius: 15px; background: rgba(10, 25, 43, .84); box-shadow: 0 30px 80px rgba(0, 0, 0, .32); }
.system-head { padding: 3px 3px 15px; display: flex; justify-content: space-between; color: #8392a8; font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; }
.system-head small { color: #53667f; }
.system-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.system-cell { min-height: 155px; padding: 20px; display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; border: 1px solid var(--line-dark); border-radius: 10px; background: #0d1c30; color: var(--blue-light); text-decoration: none; transition: .24s ease; }
.system-cell::before { content: ''; position: absolute; width: 80px; height: 80px; top: -35px; right: -25px; border: 1px solid currentColor; border-radius: 50%; opacity: .13; }
.system-cell::after { content: ''; position: absolute; width: 42px; height: 42px; top: -16px; right: -8px; border: 1px solid currentColor; border-radius: 50%; opacity: .13; }
.system-cell:hover { transform: translateY(-3px); border-color: rgba(118, 165, 255, .72); background: #112640; }
.system-cell small { margin-bottom: auto; color: #657891; font-family: var(--mono); font-size: .62rem; }
.system-cell b { font-size: 1.32rem; letter-spacing: -.02em; }
.system-cell span { color: #8293aa; font-size: .72rem; }
.c1, .c2, .c3, .c4 { color: var(--blue-light); }
.system-flow { padding: 16px 3px 2px; display: flex; align-items: center; color: #56677d; font-family: var(--mono); font-size: .55rem; letter-spacing: .04em; }
.system-flow i { flex: 1; height: 1px; margin: 0 7px; background: #26364c; }
.hero-foot { min-height: 54px; padding: 14px max(24px, calc((100vw - 1280px) / 2)); display: flex; gap: 34px; border-top: 1px solid rgba(255,255,255,.08); color: #899bb2; font-size: .72rem; }
.hero-foot span::before { content: '＋'; margin-right: 7px; color: var(--blue-light); }

.section { padding: clamp(90px, 9vw, 132px) max(24px, calc((100vw - 1280px) / 2)); }
.section-head { margin-bottom: 55px; display: grid; grid-template-columns: 150px 1fr 420px; align-items: end; gap: 34px; }
.section-head > div { align-self: start; }
.section-index { color: var(--blue); font-family: var(--mono); font-size: .68rem; }
.section-head > div p { margin-top: 3px; color: #8793a4; font-size: .75rem; }
.section-head h2 { max-width: 620px; font-size: clamp(2rem, 3.5vw, 3.35rem); font-weight: 700; line-height: 1.18; letter-spacing: -.045em; }
.section-head > p { color: var(--muted); font-size: .9rem; }

.products { background: var(--paper); }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.product-card { min-height: 540px; padding: 31px; display: grid; grid-template-columns: 1fr 112px; grid-template-rows: auto 1fr auto auto; column-gap: 25px; position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: 0 12px 36px rgba(17, 38, 69, .045); }
.product-card::after { content: ''; position: absolute; inset: auto -70px -120px auto; width: 270px; height: 270px; border: 1px solid #e7edf5; border-radius: 50%; }
.card-top { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; }
.product-code, .product-code.cyan, .product-code.violet, .product-code.glow { padding: 5px 8px; border-radius: 5px; background: #e8effe; color: #245ed1; font-family: var(--mono); font-size: .66rem; font-weight: 600; letter-spacing: .08em; }
.card-top small { color: #8c98a9; font-size: .67rem; }
.card-copy { grid-column: 1; padding-top: 64px; align-self: start; }
.phase { margin-bottom: 12px; color: var(--blue); font-family: var(--mono); font-size: .63rem; letter-spacing: .08em; }
.product-card h3 { max-width: 430px; margin-bottom: 17px; font-size: clamp(1.55rem, 2.5vw, 2.2rem); line-height: 1.25; letter-spacing: -.035em; }
.card-copy > p:last-child { max-width: 485px; color: var(--muted); font-size: .86rem; }
.product-icon { grid-column: 2; grid-row: 2; width: 105px; height: 105px; margin-top: 62px; display: grid; place-items: center; position: relative; border-radius: 50%; background: #f2f6fd; }
.icon-scan span { width: 49px; height: 49px; border: 2px solid #3b73ed; border-radius: 50%; }
.icon-scan i { position: absolute; width: 62px; height: 1px; background: #3b73ed; transform: rotate(-42deg); }
.icon-eye span { width: 65px; height: 38px; border: 2px solid #3b73ed; border-radius: 60% 0 60% 0; transform: rotate(45deg); }
.icon-eye i { position: absolute; width: 17px; height: 17px; border: 2px solid #3b73ed; border-radius: 50%; }
.icon-layers span, .icon-layers i { position: absolute; width: 51px; height: 36px; border: 2px solid #3b73ed; transform: skewY(-22deg); }
.icon-layers i { transform: translateY(12px) skewY(-22deg); opacity: .5; }
.icon-ai span { width: 43px; height: 43px; border: 1px solid #3b73ed; transform: rotate(45deg); }
.icon-ai i { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: #3b73ed; box-shadow: 0 0 22px rgba(59, 115, 237, .32); }
.product-card ul { grid-column: 1 / -1; margin-top: 33px; display: grid; grid-template-columns: 1fr 1fr; list-style: none; border-top: 1px solid var(--line); }
.product-card li { padding: 11px 5px 11px 0; border-bottom: 1px solid var(--line); color: #536279; font-size: .76rem; }
.product-card li::before { content: '—'; margin-right: 7px; color: var(--blue); }
.card-bottom { grid-column: 1 / -1; padding-top: 20px; display: flex; align-items: center; gap: 7px; position: relative; z-index: 1; }
.card-bottom > span { padding: 3px 7px; border: 1px solid #d8e0eb; border-radius: 4px; color: #6e7c91; font-size: .62rem; }
.card-bottom a { margin-left: auto; color: var(--blue); font-size: .76rem; font-weight: 700; text-decoration: none; }
.card-bottom a + a { margin-left: 8px; }
.product-dark { color: var(--ink); }

/* Product detail pages */
.product-page { background: var(--paper); }
.product-page .site-header { position: sticky; top: 0; }
.breadcrumb { padding: 24px max(24px, calc((100vw - 1280px) / 2)); display: flex; align-items: center; gap: 9px; color: #718096; font-size: .76rem; background: #fff; border-bottom: 1px solid var(--line); }
.breadcrumb a { color: var(--blue); text-decoration: none; }
.product-hero { padding: 92px max(24px, calc((100vw - 1280px) / 2)) 86px; background: #07101c; color: #fff; }
.product-hero-inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 90px; align-items: center; }
.product-kicker { color: #76a4ff; font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; }
.product-hero h1 { margin-top: 22px; font-size: clamp(3rem, 7vw, 6.5rem); line-height: .96; letter-spacing: -.06em; }
.product-hero h1 span { display: block; margin-top: 16px; color: #dce7f7; font-size: clamp(1.5rem, 3vw, 2.45rem); line-height: 1.2; letter-spacing: -.035em; }
.product-hero p { max-width: 680px; margin-top: 28px; color: #9eacc0; font-size: 1rem; line-height: 1.85; }
.product-hero .hero-actions { margin-top: 32px; }
.product-signal { min-height: 340px; padding: 28px; display: grid; align-content: space-between; position: relative; overflow: hidden; border: 1px solid #274161; border-radius: 16px; background: linear-gradient(145deg, #102846, #081524); }
.product-signal::before { content: ''; width: 260px; height: 260px; position: absolute; right: -65px; top: -55px; border: 1px solid #3b73ed; border-radius: 50%; box-shadow: 0 0 70px rgba(59,115,237,.18), inset 0 0 50px rgba(59,115,237,.08); }
.product-signal::after { content: ''; width: 110px; height: 110px; position: absolute; right: 10px; top: 20px; border: 1px solid #63a3ff; border-radius: 50%; }
.product-signal small { color: #7790b2; font-family: var(--mono); letter-spacing: .08em; }
.product-signal strong { position: relative; z-index: 1; color: #fff; font-family: var(--mono); font-size: clamp(2.5rem, 5vw, 4.6rem); letter-spacing: -.05em; }
.product-signal ul { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.product-signal li { padding: 5px 8px; border: 1px solid #315074; border-radius: 5px; color: #9eb5d2; font-size: .68rem; }
.detail-section { padding: 88px max(24px, calc((100vw - 1280px) / 2)); }
.detail-section.white { background: #fff; }
.detail-heading { max-width: 760px; margin-bottom: 42px; }
.detail-heading small { color: var(--blue); font-family: var(--mono); font-size: .67rem; letter-spacing: .08em; }
.detail-heading h2 { margin-top: 12px; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.15; letter-spacing: -.045em; }
.detail-heading p { margin-top: 18px; color: var(--muted); font-size: .95rem; line-height: 1.8; }
.capability-grid, .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.capability-grid article, .scenario-grid article { min-height: 210px; padding: 26px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.capability-grid span, .scenario-grid span { color: var(--blue); font-family: var(--mono); font-size: .66rem; }
.capability-grid h3, .scenario-grid h3 { margin-top: 30px; font-size: 1.25rem; }
.capability-grid p, .scenario-grid p { margin-top: 12px; color: var(--muted); font-size: .82rem; line-height: 1.75; }
.scenario-grid article { background: #f8fafd; }
.faq-list { max-width: 920px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 36px 22px 0; position: relative; cursor: pointer; font-size: 1rem; font-weight: 700; list-style: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 5px; color: var(--blue); font-family: var(--mono); }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { max-width: 760px; padding: 0 0 22px; color: var(--muted); font-size: .88rem; line-height: 1.8; }
.related-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.related-products a { padding: 22px; display: grid; gap: 7px; border: 1px solid var(--line); border-radius: 11px; background: #fff; text-decoration: none; }
.related-products a:hover { border-color: var(--blue); }
.related-products b { font-size: 1.12rem; }
.related-products span { color: var(--muted); font-size: .76rem; }
.detail-cta { padding: 72px max(24px, calc((100vw - 1280px) / 2)); display: flex; align-items: center; gap: 40px; background: #0a1728; color: #fff; }
.detail-cta div { margin-right: auto; }
.detail-cta h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.detail-cta p { margin-top: 10px; color: #8597af; font-size: .86rem; }

@media (max-width: 900px) {
  .product-hero-inner { grid-template-columns: 1fr; gap: 45px; }
  .product-signal { min-height: 260px; }
  .capability-grid, .scenario-grid { grid-template-columns: 1fr 1fr; }
}

.loop-section { background: #0a1728; color: #fff; }
.section-head.inverse h2 { color: #fff; }
.section-head.inverse > p { color: #7f8fa6; }
.loop-flow { display: grid; grid-template-columns: 1fr 42px 1fr 42px 1fr 42px 1fr; align-items: center; }
.loop-flow > div { min-height: 215px; padding: 25px; display: flex; flex-direction: column; border: 1px solid var(--line-dark); border-radius: 12px; background: #0f2036; }
.loop-flow small { color: #5f7390; font-family: var(--mono); font-size: .62rem; }
.loop-flow b { margin-top: auto; font-size: 1.55rem; }
.loop-flow span { margin-top: 7px; color: #8293aa; font-size: .75rem; }
.loop-flow > i { height: 1px; position: relative; background: #29405f; }
.loop-flow > i::after { content: ''; position: absolute; top: -3px; right: 0; border-left: 5px solid #4b73ac; border-top: 3px solid transparent; border-bottom: 3px solid transparent; }

.offer { display: grid; grid-template-columns: 340px 1fr; column-gap: 70px; background: #fff; }
.offer-heading { position: sticky; top: 120px; align-self: start; }
.offer-tag { width: fit-content; margin-bottom: 20px; padding: 5px 9px; border-radius: 5px; background: var(--gold-pale); color: #9a5b0e; font-family: var(--mono); font-size: .65rem; }
.offer-heading h2 { font-size: clamp(2.15rem, 3.8vw, 3.5rem); line-height: 1.15; letter-spacing: -.045em; }
.offer-heading > p { margin-top: 20px; color: var(--muted); font-family: var(--mono); font-size: .73rem; }
.offer-cards { display: grid; gap: 14px; }
.offer-cards article { min-height: 250px; padding: 29px; display: grid; grid-template-columns: 1fr auto; gap: 24px; border: 1px solid #ead8bc; border-radius: 14px; background: linear-gradient(135deg, #fffaf2, #fff 72%); box-shadow: 0 12px 34px rgba(137, 86, 22, .06); }
.offer-name span { display: block; color: var(--gold); font-family: var(--mono); font-size: .65rem; }
.offer-name b { display: block; margin-top: 4px; font-size: 1.2rem; }
.offer-price { text-align: right; }
.offer-price small { display: block; margin-bottom: 3px; color: #6f7886; font-size: .72rem; font-weight: 600; line-height: 1.45; }
.offer-price small del { margin-left: 5px; color: #875e2f; font-family: var(--mono); font-size: 1.35rem; text-decoration-color: #c59966; text-decoration-thickness: 1px; }
.offer-price strong { color: #a96212; font-family: var(--mono); font-size: 2.35rem; line-height: 1.2; }
.offer-price strong em { font-size: .95rem; font-style: normal; }
.offer-price > span { color: var(--muted); font-size: .7rem; }
.offer-cards article > p { align-self: end; color: var(--muted); font-size: .8rem; }
.offer-cards article > a { align-self: end; color: #9a5b0e; font-size: .77rem; font-weight: 700; text-decoration: none; }
.offer-note { grid-column: 2; margin-top: 16px; color: #8a96a7; font-size: .68rem; }

.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #ccd5e2; }
.about-grid div { padding: 31px 20px 0 0; }
.about-grid b { display: block; color: var(--blue); font-size: 1.8rem; }
.about-grid span { color: var(--muted); font-size: .75rem; }

.contact { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(520px, 1.2fr); gap: 70px 100px; background: #fff; }
.contact-copy > span { color: var(--blue); font-family: var(--mono); font-size: .65rem; letter-spacing: .1em; }
.contact h2 { margin-top: 18px; font-size: clamp(2.2rem, 4vw, 3.7rem); line-height: 1.17; letter-spacing: -.048em; }
.contact-copy > p { margin-top: 22px; color: var(--muted); font-size: .9rem; }
.demo-form { padding: 31px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--paper); box-shadow: 0 16px 42px rgba(21, 42, 70, .06); }
.field { display: grid; gap: 8px; }
.field-wide { grid-column: 1 / -1; }
.field label { color: #39485b; font-size: .78rem; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 14px; border: 1px solid #ccd6e2; border-radius: 7px; background: #fff; color: var(--ink); font: inherit; font-size: .87rem; line-height: 1.5; outline: none; transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 112px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #98a4b3; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(36, 99, 235, .1); }
.form-action { grid-column: 1 / -1; display: flex; align-items: center; gap: 24px; }
.form-action p { max-width: 390px; margin-right: auto; color: #758296; font-size: .72rem; }
.form-action button { min-height: 46px; padding: 0 18px; border: 0; border-radius: 7px; background: var(--blue); color: #fff; font: inherit; font-size: .8rem; font-weight: 700; cursor: pointer; transition: .2s; }
.form-action button:hover { background: #3471f4; transform: translateY(-1px); }
.form-action button span { margin-left: 7px; }
.form-status { grid-column: 1 / -1; min-height: 1.2em; color: var(--blue); font-size: .75rem; }
.contact-list { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.contact-list a { padding: 18px 18px 18px 2px; display: grid; grid-template-columns: 1fr auto; border-bottom: 1px solid var(--line); text-decoration: none; transition: .2s; }
.contact-list a + a { padding-left: 22px; border-left: 1px solid var(--line); }
.contact-list a:hover { padding-left: 10px; color: var(--blue); }
.contact-list small { grid-column: 1 / -1; color: #8a96a6; font-size: .66rem; }
.contact-list b { font-size: 1.03rem; }
.contact-list span { align-self: end; color: var(--blue); font-size: .7rem; }

footer { padding: 28px max(24px, calc((100vw - 1280px) / 2)); display: flex; align-items: center; gap: 30px; background: var(--bg); color: #6e8099; font-size: .68rem; }
.footer-brand { margin-right: auto; display: flex; align-items: center; gap: 8px; color: #cbd6e5; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: #fff; }

@media (max-width: 1080px) {
  .desktop-nav { gap: 18px; margin-right: 20px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 820px; }
  .product-system { width: min(100%, 720px); }
  .section-head { grid-template-columns: 110px 1fr; }
  .section-head > p { grid-column: 2; max-width: 620px; }
  .offer { grid-template-columns: 280px 1fr; column-gap: 40px; }
  .contact { grid-template-columns: 1fr; gap: 46px; }
  .contact-list { grid-column: 1; }
  .loop-flow { grid-template-columns: 1fr 20px 1fr; gap: 8px 0; }
  .loop-flow > div:nth-of-type(3) { grid-column: 1; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 72px; }
  .site-header { height: 66px; padding: 0 18px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button { width: 42px; height: 42px; display: block; position: relative; border: 0; background: none; }
  .menu-button span { position: absolute; left: 10px; width: 22px; height: 2px; background: #dce6f5; transition: .2s; }
  .menu-button span:first-child { top: 16px; } .menu-button span:last-child { top: 24px; }
  .menu-button[aria-expanded=true] span:first-child { top: 20px; transform: rotate(45deg); }
  .menu-button[aria-expanded=true] span:last-child { top: 20px; transform: rotate(-45deg); }
  .mobile-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; padding: 8px 18px 18px; border-bottom: 1px solid #1b2c43; background: #07101c; box-shadow: 0 20px 45px rgba(0,0,0,.3); }
  .mobile-nav.open { display: block; }
  .mobile-nav a { display: block; padding: 13px 4px; border-bottom: 1px solid #192a40; color: #c4d0e1; font-size: .87rem; font-weight: 700; text-decoration: none; }
  .hero-grid { min-height: auto; padding: 72px 20px 60px; gap: 52px; }
  .hero h1 { font-size: clamp(2.75rem, 12vw, 4rem); }
  .hero-copy > p { font-size: .94rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; }
  .product-system { padding: 12px; }
  .system-head { align-items: flex-start; flex-direction: column; gap: 3px; }
  .system-cell { min-height: 125px; padding: 14px; }
  .system-cell b { font-size: 1.08rem; }
  .system-flow { overflow-x: auto; }
  .system-flow span { white-space: nowrap; }
  .hero-foot { padding: 14px 20px; gap: 7px; align-items: flex-start; flex-direction: column; }
  .section { padding: 76px 20px; }
  .section-head { margin-bottom: 38px; grid-template-columns: 1fr; gap: 17px; }
  .section-head > p { grid-column: 1; }
  .section-head h2 { font-size: clamp(2rem, 9.5vw, 2.85rem); }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: auto; padding: 24px 20px; grid-template-columns: 1fr 78px; }
  .card-copy { grid-column: 1; }
  .product-icon { grid-column: 2; }
  .card-copy { padding-top: 44px; }
  .product-icon { width: 72px; height: 72px; margin-top: 45px; }
  .icon-scan span { width: 37px; height: 37px; }
  .icon-scan i { width: 47px; }
  .icon-eye span { width: 46px; height: 27px; }
  .icon-eye i { width: 12px; height: 12px; }
  .icon-layers span, .icon-layers i { width: 37px; height: 25px; }
  .icon-ai span { width: 31px; height: 31px; }
  .product-card h3 { font-size: 1.55rem; }
  .product-card ul { margin-top: 26px; grid-template-columns: 1fr; }
  .card-bottom { flex-wrap: wrap; }
  .card-bottom a { width: 100%; margin: 8px 0 0; }
  .loop-flow { grid-template-columns: 1fr; gap: 9px; }
  .loop-flow > div:nth-of-type(3) { grid-column: auto; }
  .loop-flow > i { width: 1px; height: 20px; margin-left: 28px; }
  .loop-flow > i::after { top: auto; right: -3px; bottom: 0; border-top: 5px solid #4b73ac; border-left: 3px solid transparent; border-right: 3px solid transparent; }
  .loop-flow > div { min-height: 145px; }
  .offer { grid-template-columns: 1fr; gap: 35px; }
  .offer-heading { position: static; }
  .offer-cards article { padding: 22px 19px; grid-template-columns: 1fr; gap: 15px; }
  .offer-price { text-align: left; }
  .offer-cards article > a { justify-self: start; }
  .offer-note { grid-column: 1; margin-top: -18px; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .about-grid div { padding: 22px 10px 0 0; }
  .contact { grid-template-columns: 1fr; gap: 42px; }
  .demo-form { padding: 24px 20px; }
  .contact-list { grid-column: 1; grid-template-columns: 1fr; }
  .contact-list a + a { padding-left: 2px; border-left: 0; }
  .contact h2 { font-size: clamp(2rem, 10vw, 3rem); }
  footer { padding: 26px 20px; align-items: flex-start; flex-direction: column; gap: 15px; }
  .footer-brand { margin: 0; }
  .footer-links { flex-wrap: wrap; }
  .breadcrumb { padding: 18px 20px; }
  .product-hero { padding: 62px 20px; }
  .product-hero h1 { font-size: clamp(2.8rem, 17vw, 4.2rem); }
  .detail-section { padding: 68px 20px; }
  .capability-grid, .scenario-grid, .related-products { grid-template-columns: 1fr; }
  .detail-cta { padding: 58px 20px; align-items: flex-start; flex-direction: column; }
  .detail-cta div { margin-right: 0; }
}

@media (max-width: 410px) {
  .system-grid { grid-template-columns: 1fr; }
  .system-cell { min-height: 108px; }
  .product-card { grid-template-columns: 1fr; }
  .card-copy { grid-column: 1; }
  .product-icon { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .demo-form { grid-template-columns: 1fr; }
  .field-wide { grid-column: 1; }
  .form-action { grid-column: 1; align-items: flex-start; flex-direction: column; }
  .form-action button { width: 100%; }
  .form-status { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .product-card, .system-cell { transition: none; }
}
