/* Xinyixing HVAC — shared design system */
:root {
  --blue: #0057b8;
  --blue-dark: #063a70;
  --blue-deep: #082b4c;
  --blue-soft: #eaf3fc;
  --red: #e60012;
  --green: #00a86b;
  --green-soft: #e8f7f1;
  --ink: #1f2937;
  --muted: #617086;
  --line: #dfe6ee;
  --surface: #ffffff;
  --bg: #f5f7fa;
  --warning: #8a5a00;
  --warning-bg: #fff8e6;
  --shadow-sm: 0 4px 18px rgba(8, 43, 76, .06);
  --shadow: 0 16px 48px rgba(8, 43, 76, .10);
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(0, 87, 184, .28); outline-offset: 3px; }
h1, h2, h3, h4 { margin: 0 0 16px; color: var(--blue-deep); line-height: 1.28; letter-spacing: -.025em; }
h1 { font-size: clamp(34px, 4.2vw, 58px); }
h2 { font-size: clamp(27px, 3vw, 38px); }
h3 { font-size: 21px; }
h4 { font-size: 17px; }
p { margin: 0 0 18px; }
ul, ol { margin-top: 0; }
::selection { background: #cfe5fa; color: var(--blue-deep); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 880px); margin-inline: auto; }
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-muted { background: var(--bg); }
.section-blue { background: var(--blue-deep); color: #d9e8f6; }
.section-blue h2, .section-blue h3 { color: #fff; }
.section-blue .section-desc { color: #b9cde0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 36px; }
.section-head > div:first-child { max-width: 760px; }
.section-head h2 { margin-bottom: 10px; }
.section-desc { max-width: 720px; color: var(--muted); font-size: 17px; margin: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 16px; }
.eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; }
.section-blue .eyebrow, .hero-home .eyebrow, .page-hero .eyebrow { color: #79c1ff; }
.text-green { color: var(--green); }
.text-muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; }
.center .section-desc { margin-inline: auto; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }

/* Header injected by main.js */
.utility-bar { background: var(--blue-deep); color: #c9d9e8; font-size: 13px; }
.utility-inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.utility-inner span { display: inline-flex; align-items: center; gap: 7px; }
.utility-dot { width: 6px; height: 6px; border-radius: 50%; background: #42d79d; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(223,230,238,.9); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; color: var(--blue-deep); }
.brand:hover { color: var(--blue-deep); }
.brand-symbol { position: relative; width: 40px; height: 40px; border-radius: 11px; background: var(--blue); overflow: hidden; box-shadow: 0 6px 16px rgba(0,87,184,.22); }
.brand-symbol i { position: absolute; left: 18px; top: 7px; width: 8px; height: 18px; border-radius: 9px 9px 3px 9px; background: #fff; transform-origin: 4px 13px; }
.brand-symbol i:nth-child(2) { transform: rotate(120deg); }
.brand-symbol i:nth-child(3) { transform: rotate(240deg); }
.brand-symbol::after { content: ""; position: absolute; left: 16px; top: 16px; width: 8px; height: 8px; border: 2px solid #fff; border-radius: 50%; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 20px; letter-spacing: .06em; }
.brand-text small { margin-top: 5px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 2px; margin-left: auto; }
.main-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; color: #394a5e; font-size: 14px; font-weight: 600; white-space: nowrap; }
.main-nav a::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 3px; height: 2px; background: var(--blue); transform: scaleX(0); transition: transform .2s; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--blue); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--blue-deep); transition: .2s; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 11px 20px; border: 1px solid transparent; border-radius: 8px; font-weight: 700; font-size: 15px; line-height: 1.4; cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 7px 18px rgba(0,87,184,.18); }
.btn-primary:hover { background: #004c9f; color: #fff; box-shadow: 0 10px 24px rgba(0,87,184,.24); }
.btn-secondary { background: #fff; color: var(--blue); border-color: #b9cbe0; }
.btn-secondary:hover { background: var(--blue-soft); border-color: var(--blue); }
.btn-ghost { color: var(--blue); background: transparent; padding-inline: 8px; }
.btn-light { background: #fff; color: var(--blue-deep); }
.btn-light:hover { color: var(--blue); background: #f1f7fc; }
.btn-outline-light { border-color: rgba(255,255,255,.38); color: #fff; background: rgba(255,255,255,.04); }
.btn-outline-light:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.1); }
.btn-sm { min-height: 44px; padding: 9px 15px; font-size: 14px; }
.btn-arrow::after { content: "→"; font-size: 18px; font-weight: 400; }
.link-arrow { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; font-weight: 700; }
.link-arrow::after { content: "→"; transition: transform .2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* Hero */
.hero-home { position: relative; overflow: hidden; background: var(--blue-deep); color: #d5e4f2; }
.hero-home::before { content: ""; position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg, #000, transparent 80%); }
.hero-home::after { content: ""; position: absolute; width: 600px; height: 600px; right: -140px; top: -240px; border-radius: 50%; background: rgba(0,87,184,.38); filter: blur(2px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 60px; min-height: 640px; padding: 72px 0 82px; }
.hero-copy h1 { max-width: 700px; color: #fff; font-size: clamp(38px, 4.4vw, 58px); }
.hero-copy h1 em { color: #78c1ff; font-style: normal; }
.hero-subtitle { max-width: 650px; margin: 24px 0 30px; color: #c2d6e8; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; color: #b9cde0; font-size: 13px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust span::before { content: "✓"; color: #55daa6; font-weight: 800; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; border: 1px solid rgba(255,255,255,.16); border-radius: 20px; box-shadow: 0 30px 70px rgba(0,0,0,.25); }
.hero-float { position: absolute; right: -18px; bottom: -26px; width: 210px; padding: 17px 19px; border: 1px solid rgba(255,255,255,.45); border-radius: 13px; background: rgba(255,255,255,.96); box-shadow: var(--shadow); color: var(--ink); }
.hero-float strong { display: block; color: var(--blue-deep); font-size: 25px; line-height: 1.3; }
.hero-float span { color: var(--muted); font-size: 13px; }
.page-hero { position: relative; overflow: hidden; padding: 64px 0 60px; background: var(--blue-deep); color: #c5d7e8; }
.page-hero::after { content: ""; position: absolute; right: -50px; top: -200px; width: 520px; height: 520px; border: 1px solid rgba(120,193,255,.17); border-radius: 50%; box-shadow: 0 0 0 70px rgba(120,193,255,.035), 0 0 0 140px rgba(120,193,255,.025); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { max-width: 900px; color: #fff; font-size: clamp(34px, 4vw, 48px); }
.page-hero p { max-width: 800px; margin: 16px 0 0; font-size: 18px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 28px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: inherit; }
.breadcrumb span[aria-current] { color: var(--ink); }
.page-hero .breadcrumb { color: #9eb9d1; }
.page-hero .breadcrumb span[aria-current] { color: #e2edf6; }
.breadcrumb-sep { opacity: .55; }

/* Cards and grids */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; }
.card-body { padding: 28px; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--muted); }
.card-hover { transition: transform .22s, box-shadow .22s, border-color .22s; }
.card-hover:hover { transform: translateY(-4px); border-color: #b8d1e9; box-shadow: var(--shadow); }
.card-link { color: inherit; }
.card-link:hover { color: inherit; }
.card-topline { border-top: 3px solid var(--blue); }
.icon-box { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; margin-bottom: 20px; border-radius: 12px; background: var(--blue-soft); color: var(--blue); font-size: 21px; font-weight: 800; }
.icon-box.green { color: var(--green); background: var(--green-soft); }
.service-card { display: flex; flex-direction: column; min-height: 100%; }
.service-card .card-body { display: flex; flex: 1; flex-direction: column; }
.service-card p { flex: 1; }
.service-number { position: absolute; right: 22px; top: 14px; color: #edf2f7; font-size: 54px; font-weight: 800; line-height: 1; }
.tag, .badge { display: inline-flex; align-items: center; min-height: 28px; padding: 4px 10px; border-radius: 5px; font-size: 12px; font-weight: 700; line-height: 1.4; }
.tag { color: var(--blue); background: var(--blue-soft); }
.badge { color: var(--green); background: var(--green-soft); }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); overflow: hidden; box-shadow: var(--shadow-sm); }
.stat-card { min-width: 0; padding: 28px 22px; background: #fff; }
.stat-card strong { display: block; margin-bottom: 8px; color: var(--blue); font-size: clamp(22px, 2.4vw, 31px); line-height: 1.25; letter-spacing: -.04em; overflow-wrap: anywhere; }
.stat-card span { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; }
.stat-card small { display: block; margin-top: 6px; color: #8a96a6; font-size: 11px; }
.metric { padding: 22px; border-left: 3px solid var(--blue); background: var(--bg); }
.metric strong { display: block; color: var(--blue-deep); font-size: 24px; }
.metric span { color: var(--muted); font-size: 14px; }
.media-frame { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--bg); }
.media-frame img { width: 100%; }
.split-feature { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.split-feature .content { max-width: 570px; }
.feature-list { display: grid; gap: 18px; margin: 28px 0; padding: 0; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 34px 1fr; gap: 13px; }
.feature-list .check { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; margin-top: 2px; border-radius: 50%; background: var(--green-soft); color: var(--green); font-weight: 800; }
.feature-list strong { display: block; color: var(--blue-deep); }
.feature-list p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.checklist { padding-left: 0; list-style: none; }
.checklist li { position: relative; margin-bottom: 12px; padding-left: 28px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.step-list { display: grid; gap: 0; padding: 0; list-style: none; counter-reset: steps; }
.step-list li { position: relative; min-height: 70px; padding: 0 0 26px 56px; counter-increment: steps; }
.step-list li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; top: 0; display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 13px; font-weight: 800; }
.step-list li:not(:last-child)::after { content: ""; position: absolute; left: 18px; top: 42px; bottom: 4px; width: 1px; background: var(--line); }
.step-list strong { display: block; color: var(--blue-deep); }
.step-list p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }

/* Data, credentials and content */
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table, .comparison-table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f0f5f9; color: var(--blue-deep); font-weight: 750; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td { color: #4a5b6e; }
.table-highlight { background: #f0f7ff; }
.table-highlight td:first-child { color: var(--blue); font-weight: 750; }
.credential-list { display: grid; gap: 12px; }
.credential-item { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.credential-item h3, .credential-item h4 { margin: 0 0 4px; font-size: 16px; }
.credential-item p { margin: 0; color: var(--muted); font-size: 13px; }
.credential-code { color: var(--blue); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-weight: 750; overflow-wrap: anywhere; }
.credential-item .btn { flex: 0 0 auto; }
.alert { padding: 18px 20px; border-left: 3px solid var(--blue); border-radius: 6px; background: var(--blue-soft); color: #34516f; }
.alert-warning { border-color: #d99a22; background: var(--warning-bg); color: #72511a; }
.pending { display: inline-block; padding: 1px 7px; border-radius: 4px; background: #fff3d8; color: #815b12; font-size: .88em; }
.empty-note { padding: 34px; border: 1px dashed #b9c8d8; border-radius: var(--radius); background: var(--bg); color: var(--muted); text-align: center; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 16px 0 28px; color: var(--muted); font-size: 14px; }
.article-toc { padding: 24px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.article-toc strong { display: block; margin-bottom: 10px; color: var(--blue-deep); }
.article-toc ol { margin: 0; padding-left: 20px; }
.article-toc a { display: inline-block; padding: 4px 0; }
.article { max-width: 900px; }
.prose { color: #3d4c5d; font-size: 16px; line-height: 1.95; }
.prose h2 { margin-top: 48px; padding-top: 8px; font-size: 28px; }
.prose h3 { margin-top: 32px; font-size: 21px; }
.prose blockquote { margin: 28px 0; padding: 20px 24px; border-left: 3px solid var(--blue); background: var(--bg); }
.prose img { margin: 28px 0; border-radius: var(--radius); }
.prose hr { height: 1px; margin: 40px 0; border: 0; background: var(--line); }
.timeline { position: relative; margin: 0; padding: 0 0 0 32px; list-style: none; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: #cfdeed; }
.timeline li { position: relative; padding: 0 0 32px 24px; }
.timeline li::before { content: ""; position: absolute; left: -31px; top: 8px; width: 12px; height: 12px; border: 3px solid #fff; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 2px var(--blue); }
.timeline time { display: block; color: var(--blue); font-weight: 800; }
.timeline h3 { margin: 5px 0 8px; }
.timeline p { margin: 0; color: var(--muted); }

/* FAQ, forms and CTA */
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.faq-item summary { position: relative; min-height: 58px; padding: 17px 54px 17px 20px; color: var(--blue-deep); font-weight: 750; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 15px; color: var(--blue); font-size: 23px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 20px 18px; color: var(--muted); }
.faq-answer p:last-child { margin-bottom: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { color: var(--blue-deep); font-size: 14px; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #cbd6e2; border-radius: 8px; background: #fff; color: var(--ink); }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); outline: 3px solid rgba(0,87,184,.1); }
.form-note { margin-top: 14px; color: var(--muted); font-size: 13px; }
.contact-card { padding: 30px; border-radius: var(--radius); background: var(--blue-deep); color: #c5d7e8; }
.contact-card h2, .contact-card h3 { color: #fff; }
.contact-card a { color: #fff; }
.contact-line { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.contact-line:last-child { border: 0; }
.contact-line small { display: block; color: #91aec7; }
.contact-line strong { color: #fff; font-size: 18px; }
.cta-band { position: relative; overflow: hidden; padding: 42px 46px; border-radius: var(--radius-lg); background: var(--blue); color: #dbeaff; }
.cta-band::after { content: ""; position: absolute; right: -80px; top: -120px; width: 340px; height: 340px; border: 55px solid rgba(255,255,255,.07); border-radius: 50%; }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band h2 { margin-bottom: 8px; color: #fff; font-size: 30px; }
.cta-band p { margin: 0; }
.cta-actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: 10px; }

/* Footer */
.site-footer { background: #071f36; color: #9fb4c8; }
.footer-main { display: grid; grid-template-columns: 1.5fr .8fr .8fr 1.2fr; gap: 52px; padding: 64px 0 44px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text small { color: #88a4bd; }
.footer-brand p { max-width: 330px; margin: 20px 0; font-size: 14px; }
.footer-cert { display: inline-flex; padding: 6px 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 5px; color: #c2d4e4; font-size: 12px; }
.footer-col h3 { margin-bottom: 18px; color: #fff; font-size: 15px; letter-spacing: .04em; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { display: inline-flex; align-items: center; min-height: 32px; color: #9fb4c8; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-contact { font-size: 14px; }
.footer-contact p { margin-bottom: 10px; }
.footer-contact strong { color: #fff; font-size: 21px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; font-size: 12px; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-legal a { color: #9fb4c8; }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 50; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--blue); box-shadow: var(--shadow-sm); opacity: 0; visibility: hidden; transition: .2s; }
.back-to-top.visible { opacity: 1; visibility: visible; }

@media (max-width: 1100px) {
  .nav-wrap { gap: 15px; }
  .main-nav a { padding-inline: 7px; font-size: 13px; }
  .nav-actions .btn { padding-inline: 13px; }
  .hero-grid { gap: 36px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-main .footer-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .utility-bar { display: none; }
  .nav-wrap { min-height: 70px; justify-content: space-between; }
  .nav-toggle { display: block; }
  .nav-actions { margin-left: auto; }
  .main-nav { position: fixed; inset: 70px 0 auto; display: none; max-height: calc(100vh - 70px); padding: 16px 20px 26px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); overflow-y: auto; }
  .main-nav.open { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .main-nav a { min-height: 48px; padding: 10px 14px; border-radius: 7px; background: var(--bg); font-size: 15px; }
  .main-nav a::after { display: none; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 64px 0 76px; }
  .hero-copy { max-width: 740px; }
  .hero-visual { max-width: 650px; }
  .hero-float { right: 14px; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-feature { grid-template-columns: 1fr; gap: 36px; }
  .split-feature .content { max-width: none; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 680px) {
  .container, .narrow { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 60px 0; }
  .section-sm { padding: 42px 0; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 8px; margin-bottom: 26px; }
  h1 { font-size: 34px; }
  h2 { font-size: 27px; }
  .brand-text strong { font-size: 18px; }
  .brand-symbol { width: 36px; height: 36px; }
  .brand-symbol i { left: 16px; top: 5px; }
  .brand-symbol::after { left: 14px; top: 14px; }
  .nav-actions .btn { display: none; }
  .hero-grid { padding: 52px 0 66px; }
  .hero-copy h1 { font-size: 36px; }
  .hero-subtitle, .page-hero p { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { display: grid; gap: 8px; }
  .hero-float { position: relative; right: auto; bottom: auto; width: auto; margin: -28px 14px 0; }
  .page-hero { padding: 42px 0; }
  .page-hero h1 { font-size: 33px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid { gap: 16px; }
  .card-body { padding: 23px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 22px 17px; }
  .stat-card:last-child { grid-column: 1 / -1; }
  .credential-item { align-items: flex-start; flex-direction: column; gap: 12px; }
  .credential-item .btn { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .cta-band { padding: 30px 24px; }
  .cta-actions, .cta-actions .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px 22px; padding: 48px 0 34px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-main .footer-col:last-child { grid-column: 1 / -1; }
  .footer-bottom-inner { align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; padding: 15px 0; }
  th, td { padding: 13px 14px; }
  .article-toc { padding: 20px; }
  .back-to-top { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* 2026-10 UX refinement: task paths, mobile utilities and reading aids */
.skip-link { position: fixed; left: 16px; top: -70px; z-index: 500; padding: 10px 16px; border-radius: 7px; background: var(--blue-deep); color: #fff; font-weight: 700; transition: top .2s; }
.skip-link:focus { top: 12px; color: #fff; }
.site-header.is-scrolled { box-shadow: 0 8px 28px rgba(8,43,76,.09); }
.grid > *, .split-feature > * { min-width: 0; }
.article { width: 100%; min-width: 0; }
.card-link, .card-hover[href], .quick-path { cursor: pointer; }
.icon-box svg, .quick-path-icon svg, .mobile-action-bar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.quick-section { position: relative; z-index: 4; background: #fff; }
.quick-panel { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: -34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 50px rgba(8,43,76,.12); overflow: hidden; }
.quick-path { position: relative; display: flex; align-items: center; gap: 14px; min-height: 106px; padding: 21px 22px; color: var(--ink); border-right: 1px solid var(--line); background: #fff; transition: background .2s, color .2s; }
.quick-path:last-child { border-right: 0; }
.quick-path:hover { color: var(--blue); background: #f5f9fd; }
.quick-path-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 44px; height: 44px; border-radius: 11px; background: var(--blue-soft); color: var(--blue); }
.quick-path:last-child .quick-path-icon { color: var(--green); background: var(--green-soft); }
.quick-path-text { min-width: 0; }
.quick-path-text strong { display: block; color: var(--blue-deep); font-size: 15px; line-height: 1.45; }
.quick-path-text small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.quick-path-arrow { margin-left: auto; color: #8aa0b6; font-size: 19px; }
.quick-path:hover .quick-path-arrow { color: var(--blue); }

.mobile-nav-contact { display: none; }
.mobile-action-bar { display: none; }
.reading-progress { position: fixed; left: 0; top: 0; z-index: 300; width: 0; height: 3px; background: var(--green); pointer-events: none; }
.table-wrap { scrollbar-width: thin; scrollbar-color: #9db3c7 #edf2f6; }
.table-wrap:focus-visible { outline-offset: 4px; }
.table-scroll-hint { display: none; margin: 9px 0 0; color: var(--muted); font-size: 12px; text-align: right; }
.prose { overflow-wrap: anywhere; }
.prose h2 { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.prose h3 { color: var(--blue); }
.article-toc ol { columns: 2; column-gap: 42px; }
.article-toc li { break-inside: avoid; }
.contact-card dl { margin: 0; }
.contact-card dt { margin-top: 17px; color: #91aec7; font-size: 12px; }
.contact-card dt:first-child { margin-top: 0; }
.contact-card dd { margin: 3px 0 0; color: #fff; }
.contact-card dd a { display: inline-flex; align-items: center; min-height: 36px; }
.stat-card { transition: background .2s; }
.stat-card:hover { background: #f8fbfe; }
.media-frame { box-shadow: 0 16px 42px rgba(8,43,76,.07); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1000px) {
  .quick-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quick-path:nth-child(2) { border-right: 0; }
  .quick-path:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .mobile-nav-contact { display: block; grid-column: 1 / -1; margin-top: 10px; padding: 17px 14px 4px; border-top: 1px solid var(--line); }
  .mobile-nav-contact small { display: block; color: var(--muted); }
  .mobile-nav-contact a { display: inline-flex; min-height: 44px; padding: 8px 0; background: transparent; color: var(--blue); font-size: 20px; }
  .main-nav { border-radius: 0 0 16px 16px; }
}

@media (max-width: 680px) {
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .quick-panel { margin-top: -22px; border-radius: 12px; }
  .quick-path { min-height: 104px; gap: 10px; padding: 17px 13px; }
  .quick-path-icon { width: 38px; height: 38px; border-radius: 9px; }
  .quick-path-icon svg { width: 21px; height: 21px; }
  .quick-path-text strong { font-size: 14px; }
  .quick-path-text small { font-size: 11px; }
  .quick-path-arrow { display: none; }
  .mobile-action-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 120; display: grid; grid-template-columns: repeat(3, 1fr); padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid #d9e2eb; background: rgba(255,255,255,.98); box-shadow: 0 -8px 26px rgba(8,43,76,.10); backdrop-filter: blur(14px); }
  .mobile-action-bar a { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 3px; min-height: 66px; color: var(--blue-deep); font-size: 11px; font-weight: 700; }
  .mobile-action-bar a:nth-child(2) { color: #fff; background: var(--blue); }
  .mobile-action-bar svg { width: 21px; height: 21px; }
  .back-to-top { bottom: calc(82px + env(safe-area-inset-bottom)); }
  .table-scroll-hint { display: block; }
  .table-wrap.scrollable-table table { min-width: 640px; }
  .article-toc ol { columns: 1; }
  .prose h2 { margin-top: 38px; font-size: 24px; }
  .prose h3 { margin-top: 28px; font-size: 20px; }
  .prose { line-height: 1.9; }
  .field input, .field select { min-height: 52px; font-size: 16px; }
  .field textarea { font-size: 16px; }
  .empty-note { padding: 24px 18px; }
  .section-head .link-arrow { flex-shrink: 0; }
}

@media (hover: none) {
  .card-hover:hover { transform: none; box-shadow: var(--shadow-sm); }
  .btn:hover { transform: none; }
}

/* GEO content components and original-site asset integration */
.answer-panel { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; padding: 42px; border: 1px solid #cfdce9; border-radius: var(--radius-lg); background: linear-gradient(135deg, #fff 0%, #f3f8fd 100%); box-shadow: var(--shadow-sm); }
.answer-heading h2 { margin-bottom: 18px; }
.answer-heading p { color: #40546a; font-size: 17px; }
.source-line { display: block; margin-top: 20px; color: var(--muted); font-size: 12px; }
.answer-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--line); overflow: hidden; }
.answer-facts div { padding: 22px; background: rgba(255,255,255,.96); }
.answer-facts dt { margin-bottom: 7px; color: var(--blue); font-size: 13px; font-weight: 800; }
.answer-facts dd { margin: 0; color: #3d5065; font-size: 14px; line-height: 1.7; }
.source-note { margin: 24px 0 0; color: var(--muted); font-size: 13px; }
.source-disclaimer { margin-top: 30px; }
.product-card { display: flex; flex-direction: column; }
.product-card .card-body { display: flex; flex: 1; flex-direction: column; }
.product-card .card-body p { flex: 1; }
.product-card h3 { margin-top: 12px; }
.product-media { display: flex; align-items: center; justify-content: center; aspect-ratio: 3 / 2; overflow: hidden; border-bottom: 1px solid var(--line); background: #f2f6fa; }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.product-media-placeholder { flex-direction: column; gap: 8px; color: var(--blue-deep); background: linear-gradient(135deg, #e8f2fb, #f8fbfe); }
.product-media-placeholder span { font-size: 32px; font-weight: 800; letter-spacing: -.04em; }
.product-media-placeholder small { color: var(--muted); }
.service-link-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.service-link-row a { display: inline-flex; align-items: center; min-height: 44px; padding: 9px 15px; border: 1px solid var(--line); border-radius: 7px; background: #fff; font-size: 14px; font-weight: 650; }
.service-link-row a:hover { border-color: var(--blue); background: var(--blue-soft); }
.case-media, .news-media { display: block; aspect-ratio: 3 / 2; overflow: hidden; background: #e8eef4; }
.case-media img, .news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.case-card:hover .case-media img, .news-card:hover .news-media img { transform: scale(1.025); }
.case-card .card-body, .news-card .card-body { display: flex; flex-direction: column; }
.case-card .card-body p, .news-card .card-body p { flex: 1; }
.case-metrics { display: flex; gap: 24px; margin: 20px 0 14px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-metrics span { color: var(--muted); font-size: 12px; }
.case-metrics strong { display: block; color: var(--blue-deep); font-size: 25px; line-height: 1.25; }
.answer-card-stack { display: grid; gap: 12px; }
.answer-card-stack article { padding: 22px 24px; border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: 9px; background: #fff; box-shadow: var(--shadow-sm); }
.answer-card-stack span { display: block; margin-bottom: 5px; color: var(--blue); font-size: 12px; font-weight: 750; }
.answer-card-stack strong { display: block; color: var(--blue-deep); font-size: 17px; }
.answer-card-stack p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 64px; align-items: start; }
.faq-intro { position: sticky; top: 116px; }
.faq-intro p { margin-bottom: 24px; color: var(--muted); }
.faq-answer { padding: 0 20px 18px; color: #4a5b6e; }
.faq-answer p { margin: 0; }
.anchor-nav { position: sticky; top: 76px; z-index: 80; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); backdrop-filter: blur(12px); }
.anchor-nav .container { display: flex; overflow-x: auto; scrollbar-width: thin; }
.anchor-nav a { flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 52px; padding: 0 18px; color: #43566b; font-size: 14px; font-weight: 700; }
.anchor-nav a:hover { color: var(--blue); background: var(--blue-soft); }
.product-card-horizontal { display: grid; grid-template-columns: .9fr 1.1fr; }
.product-card-horizontal .product-media { height: 100%; aspect-ratio: auto; border-bottom: 0; border-right: 1px solid var(--line); }
.secondary-cases { margin-top: 24px; }
.maintenance-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.maintenance-grid > div { padding: 22px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.maintenance-grid strong { display: block; color: var(--blue); font-size: 28px; }
.maintenance-grid span { display: block; color: var(--blue-deep); font-weight: 750; }
.maintenance-grid p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 92px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.news-row h2 { margin: 8px 0 10px; font-size: 24px; }
.news-row p { max-width: 850px; color: var(--muted); }
.news-date { padding-top: 4px; text-align: center; }
.news-date strong { display: block; color: var(--blue-deep); font-size: 35px; line-height: 1.1; }
.news-date span { color: var(--muted); font-size: 12px; }
.featured-news { grid-template-columns: minmax(260px, 360px) 1fr; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.news-row-media { display: block; overflow: hidden; border-radius: 10px; }
.news-row-media img { width: 100%; height: 100%; object-fit: cover; }
.reading-path { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.reading-path h2 { margin-bottom: 10px; }
.reading-path p:last-child { margin-bottom: 0; }

@media (max-width: 1000px) {
  .answer-panel { grid-template-columns: 1fr; gap: 26px; }
  .maintenance-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-card-horizontal { grid-template-columns: 1fr; }
  .product-card-horizontal .product-media { aspect-ratio: 3 / 2; border-right: 0; border-bottom: 1px solid var(--line); }
  .faq-layout { gap: 36px; }
}

@media (max-width: 680px) {
  .answer-panel { padding: 24px 20px; }
  .answer-facts { grid-template-columns: 1fr; }
  .answer-facts div { padding: 17px; }
  .answer-heading p { font-size: 16px; }
  .product-showcase { grid-template-columns: 1fr; }
  .case-metrics { gap: 20px; }
  .answer-card-stack article { padding: 19px 20px; }
  .faq-layout { grid-template-columns: 1fr; gap: 26px; }
  .faq-intro { position: static; }
  .anchor-nav { top: 68px; }
  .anchor-nav .container { width: 100%; padding-left: 12px; }
  .anchor-nav a { min-height: 48px; padding: 0 13px; font-size: 13px; }
  .maintenance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .maintenance-grid > div { padding: 17px; }
  .news-row, .featured-news { grid-template-columns: 1fr; gap: 16px; padding: 24px 0; }
  .featured-news { padding: 20px; }
  .news-row h2 { font-size: 21px; }
  .news-date { display: flex; align-items: baseline; gap: 8px; text-align: left; }
  .news-date strong { font-size: 25px; }
  .news-row-media { aspect-ratio: 3 / 2; }
  .reading-path { align-items: flex-start; flex-direction: column; }
  .service-link-row { display: grid; grid-template-columns: 1fr; }
}

/* 2026-10-31 visual refresh: quieter surfaces, clearer hierarchy, shorter mobile flow */
:root {
  --blue: #075db7;
  --blue-dark: #084a8c;
  --blue-deep: #0a2d4e;
  --blue-soft: #edf5fc;
  --green: #078766;
  --green-soft: #eaf7f2;
  --ink: #1a2b3d;
  --muted: #64748a;
  --line: #e2e8f0;
  --bg: #f6f8fb;
  --shadow-sm: 0 3px 14px rgba(10,45,78,.045);
  --shadow: 0 18px 44px rgba(10,45,78,.10);
  --radius: 16px;
  --radius-lg: 22px;
}
body { line-height: 1.8; letter-spacing: .002em; }
h1, h2, h3, h4 { font-weight: 750; letter-spacing: -.035em; }
h2 { line-height: 1.35; }
p { text-wrap: pretty; }
.section { padding: 96px 0; }
.section-sm { padding: 62px 0; }
.section-muted { background: #f5f7fa; }
.section-head { margin-bottom: 40px; }
.section-head h2 { max-width: 780px; }
.section-desc { line-height: 1.85; }
.eyebrow { margin-bottom: 14px; font-size: 12px; letter-spacing: .13em; }

.site-header { border-bottom-color: rgba(226,232,240,.8); box-shadow: 0 1px 0 rgba(10,45,78,.02); }
.main-nav a { border-radius: 7px; }
.main-nav a:hover { background: var(--blue-soft); }
.main-nav a::after { bottom: 1px; }
.btn { border-radius: 9px; letter-spacing: .01em; }
.btn-primary { background: linear-gradient(135deg, #0763c1, #084f96); box-shadow: 0 7px 18px rgba(7,93,183,.16); }
.btn-primary:hover { background: linear-gradient(135deg, #075db7, #084a8c); }
.btn-secondary { border-color: #d5e0eb; box-shadow: 0 2px 6px rgba(10,45,78,.025); }

.hero-home { background: radial-gradient(circle at 88% 12%, rgba(22,112,184,.34), transparent 36%), linear-gradient(120deg, #082b4b 0%, #0a385e 58%, #0b416c 100%); }
.hero-home::before { opacity: .09; background-size: 64px 64px; }
.hero-home::after { background: rgba(19,105,173,.20); }
.hero-grid { min-height: 626px; }
.hero-copy h1 { font-weight: 760; line-height: 1.24; }
.hero-copy h1 em { color: #82c9ff; }
.hero-subtitle { color: #cfdeeb; line-height: 1.85; }
.hero-visual img { border: 5px solid rgba(255,255,255,.09); border-radius: 20px; box-shadow: 0 26px 64px rgba(0,0,0,.26); }
.hero-float { border: 0; border-radius: 14px; box-shadow: 0 18px 44px rgba(3,25,45,.22); }
.hero-float strong { font-size: 23px; letter-spacing: -.035em; }
.hero-trust { color: #c4d6e5; }
.quick-panel { border-color: rgba(226,232,240,.75); border-radius: 16px; box-shadow: 0 18px 48px rgba(10,45,78,.09); }
.quick-path { min-height: 102px; }
.quick-path-icon { border-radius: 12px; }
.quick-path-text strong { font-size: 15px; }

.card { border-color: #e4eaf1; box-shadow: 0 4px 18px rgba(10,45,78,.045); }
.card-body { padding: 30px; }
.card-hover:hover { border-color: #c6d8e9; box-shadow: 0 18px 42px rgba(10,45,78,.09); }
.card h3 { line-height: 1.42; }
.card p { line-height: 1.8; }
.tag { border: 1px solid #dcebf8; background: #f0f7fd; }
.badge { border: 1px solid #d8eee5; background: #eff9f5; }

.answer-panel { border-color: #dfe7ef; border-top: 3px solid var(--blue); background: linear-gradient(140deg, #fff 15%, #f5f9fd 100%); box-shadow: 0 14px 38px rgba(10,45,78,.06); }
.answer-facts { gap: 10px; border: 0; background: transparent; overflow: visible; }
.answer-facts div { border: 1px solid #e1e8f0; border-radius: 11px; background: rgba(255,255,255,.9); }
.answer-facts dt { color: #075db7; }
.answer-facts dd { line-height: 1.75; }
.source-note { padding-left: 13px; border-left: 2px solid #b9cce0; line-height: 1.75; }

.stats-grid { gap: 12px; border: 0; border-radius: 0; background: transparent; box-shadow: none; overflow: visible; }
.stat-card { position: relative; border: 1px solid #e2e8f0; border-radius: 13px; background: #fff; box-shadow: 0 3px 12px rgba(10,45,78,.035); }
.stat-card::before { content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), #75b9ed); opacity: .65; }
.stat-card strong { color: #0a3b66; font-weight: 780; }
.stat-card small { color: #7a8899; line-height: 1.55; }

.product-media { background: linear-gradient(145deg, #f7fafc, #edf3f8); }
.product-card { overflow: hidden; }
.product-card .card-body { padding: 26px; }
.product-card h3 { font-size: 22px; }
.service-link-row a { border-color: #dfe7ef; border-radius: 9px; }
.case-card, .news-card { overflow: hidden; }
.case-metrics { padding: 14px 16px; border: 0; border-radius: 9px; background: #f5f8fb; }
.case-metrics strong { color: #0a4678; }
.answer-card-stack article { border: 1px solid #e3eaf2; border-top: 2px solid #6ba9d8; border-radius: 11px; background: #f9fbfd; box-shadow: none; }
.answer-card-stack article:nth-child(even) { border-top-color: #68b39c; }

.faq-intro { padding: 32px; border-radius: 18px; background: linear-gradient(145deg, #0a2d4e, #0b426c); box-shadow: 0 16px 38px rgba(10,45,78,.12); }
.faq-intro h2 { color: #fff; }
.faq-intro p { color: #c5d7e6; }
.faq-intro .eyebrow { color: #82c9ff; }
.faq-intro .btn-secondary { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.08); color: #fff; }
.faq-intro .btn-secondary:hover { background: rgba(255,255,255,.15); }
.faq-item { border-color: #e3eaf1; box-shadow: 0 3px 12px rgba(10,45,78,.03); }
.faq-item[open] { border-color: #c8dced; background: #f8fbfe; }
.faq-item summary { padding: 19px 56px 19px 22px; line-height: 1.55; }
.faq-answer { padding: 0 22px 20px; line-height: 1.85; }

.page-hero { background: radial-gradient(circle at 88% 10%, rgba(30,119,186,.28), transparent 40%), linear-gradient(120deg, #082b4b, #0a3b63); }
.page-hero h1 { line-height: 1.3; }
.page-hero p { color: #cfdeeb; line-height: 1.85; }
.anchor-nav { box-shadow: 0 4px 16px rgba(10,45,78,.035); }
.table-wrap { border-color: #e1e8f0; box-shadow: 0 3px 12px rgba(10,45,78,.025); }
th { background: #edf4fa; }
tbody tr:hover td { background: #fafcfd; }
.alert { border-left-color: #4b91ca; background: #f0f7fc; }
.maintenance-grid > div { border-color: #e2e8f0; background: #f8fafc; }
.news-date strong { color: #0a4678; }
.featured-news { border-color: #e1e8f0; background: #f6f9fc; }
.cta-band { background: linear-gradient(120deg, #075db7, #08477f); box-shadow: 0 16px 38px rgba(7,93,183,.12); }
.site-footer { background: #081f36; }

@media (max-width: 680px) {
  body { line-height: 1.75; }
  .section { padding: 54px 0; }
  .section-sm { padding: 40px 0; }
  .section-head { gap: 10px; margin-bottom: 28px; }
  .section-desc { font-size: 15px; line-height: 1.8; }
  .eyebrow { margin-bottom: 12px; font-size: 11px; letter-spacing: .10em; }
  h2 { font-size: 25px; }
  .hero-grid { padding: 44px 0 56px; }
  .hero-copy h1 { font-size: 34px; line-height: 1.28; }
  .hero-subtitle { margin: 18px 0 22px; font-size: 15px; line-height: 1.8; }
  .hero-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .hero-actions .btn { width: auto; min-width: 0; padding: 11px 9px; font-size: 13px; }
  .hero-trust { gap: 6px; margin-top: 22px; font-size: 12px; }
  .hero-visual { margin-top: 4px; }
  .hero-float { margin-top: -24px; padding: 15px 17px; }
  .hero-float strong { font-size: 20px; }
  .quick-path { min-height: 96px; padding: 15px 12px; }
  .quick-path-text small { line-height: 1.45; }
  .card-body { padding: 22px; }
  .card h3 { font-size: 20px; }
  .card p { font-size: 14px; line-height: 1.75; }
  .answer-panel { padding: 25px 20px; }
  .answer-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .answer-facts div { padding: 14px; }
  .answer-facts dt { font-size: 12px; }
  .answer-facts dd { font-size: 12px; line-height: 1.7; }
  .source-line { font-size: 11px; line-height: 1.65; }
  .stats-grid { gap: 10px; }
  .stat-card { padding: 19px 14px; }
  .stat-card::before { left: 14px; right: 14px; }
  .stat-card strong { font-size: 24px; }
  .stat-card span { font-size: 12px; }
  .stat-card small { font-size: 10px; }
  .product-showcase .product-card { display: grid; grid-template-columns: 108px minmax(0, 1fr); }
  .product-showcase .product-media { height: 100%; min-height: 230px; aspect-ratio: auto; border-right: 1px solid var(--line); border-bottom: 0; }
  .product-showcase .product-media img { object-fit: cover; }
  .product-showcase .product-card .card-body { padding: 18px 16px; }
  .product-showcase .product-card h3 { margin: 9px 0 8px; font-size: 18px; }
  .product-showcase .product-card p { font-size: 12px; line-height: 1.7; }
  .product-showcase .product-card .link-arrow { min-height: 36px; font-size: 13px; }
  .case-media, .news-media { aspect-ratio: 16 / 9; }
  .case-metrics { margin: 16px 0 10px; padding: 12px 14px; }
  .answer-card-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .answer-card-stack article { padding: 16px 14px; }
  .answer-card-stack strong { font-size: 15px; line-height: 1.5; }
  .answer-card-stack p { font-size: 12px; line-height: 1.65; }
  .faq-intro { padding: 25px 22px; }
  .faq-item summary { padding: 17px 50px 17px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px 18px; font-size: 14px; }
  .page-hero { padding: 40px 0; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p { font-size: 15px; }
  .cta-band { padding: 28px 22px; }
  .source-note { font-size: 12px; }
}

@media print {
  .utility-bar, .site-header, .site-footer, .back-to-top, .cta-band, .btn { display: none !important; }
  body { color: #000; }
  .section, .section-sm { padding: 20px 0; }
  .page-hero { padding: 20px 0; background: #fff; color: #000; }
  .page-hero h1 { color: #000; }
  .card { box-shadow: none; break-inside: avoid; }
}