:root {
  --primary: #6F5AE8;
  --primary-soft: #9A8CF2;
  --ink: #242433;
  --body: #30303A;
  --muted: #70707D;
  --bg: #F8F8FC;
  --soft: #F0EEFA;
  --accent: #F29A4A;
  --white: #FFFFFF;
  --line: #DEDBEE;
  --shadow: 0 24px 60px rgba(36,36,51,.10);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--body); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif; line-height: 1.72; }
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #5843d5; }
button,input { font: inherit; }
button { cursor: pointer; }
code { padding: .08em .35em; border-radius: 6px; background: rgba(111,90,232,.10); color: var(--ink); }
.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.skip-link { position: fixed; left: 18px; top: 10px; transform: translateY(-160%); padding: 10px 14px; background: var(--ink); color: var(--white); z-index: 1000; border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(248,248,252,.94); border-bottom: 1px solid rgba(222,219,238,.9); backdrop-filter: blur(14px); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; flex-shrink: 0; }
.brand img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 18px; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 11px; }
.primary-nav { margin-left: auto; display: flex; align-items: center; gap: 5px; }
.primary-nav a { color: #454552; text-decoration: none; padding: 9px 10px; border-radius: 9px; font-size: 14px; }
.primary-nav a:hover,.primary-nav a[aria-current="page"] { background: var(--soft); color: var(--primary); }
.search-open,.menu-toggle { border: 0; border-radius: 10px; padding: 10px 13px; background: var(--ink); color: var(--white); }
.menu-toggle { display: none; }
.search-modal[hidden] { display: none !important; }
.search-modal { position: fixed; inset: 0; z-index: 500; display: grid; place-items: start center; padding-top: min(15vh,140px); }
.search-backdrop { position: absolute; inset: 0; background: rgba(24,24,34,.62); }
.search-dialog { width: min(calc(100% - 32px),640px); background: var(--white); border-radius: 24px; padding: 34px; position: relative; z-index: 1; box-shadow: var(--shadow); }
.search-dialog h2 { margin: 0 0 8px; font-size: 28px; color: var(--ink); }
.search-dialog p { margin: 0 0 22px; color: var(--muted); }
.search-close { position: absolute; right: 16px; top: 14px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--soft); color: var(--ink); font-size: 24px; }
.search-form label { display: block; margin-bottom: 8px; font-weight: 700; color: var(--ink); }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-row input,.inline-search input { min-width: 0; border: 1px solid #cbc6e7; border-radius: 11px; padding: 13px 14px; background: var(--white); color: var(--ink); outline: none; }
.search-row input:focus,.inline-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(111,90,232,.12); }
.search-row button,.inline-search button { border: 0; border-radius: 11px; padding: 12px 18px; background: var(--primary); color: var(--white); font-weight: 700; }
.hero { padding: 70px 0 76px; overflow: hidden; }
.hero-grid,.page-hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 60px; }
.hero-copy h1,.page-hero h1 { margin: 12px 0 20px; color: var(--ink); font-size: clamp(38px,5.3vw,68px); line-height: 1.08; letter-spacing: -.035em; }
.page-hero h1 { font-size: clamp(34px,4.5vw,58px); }
.eyebrow { display: inline-block; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero-lead { margin: 0; max-width: 760px; color: #555563; font-size: clamp(17px,1.7vw,20px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 11px 18px; border-radius: 11px; font-weight: 760; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--accent); color: #2d241d; box-shadow: 0 12px 28px rgba(242,154,74,.22); }
.button-primary:hover { color: #2d241d; background: #f3a45d; }
.button-secondary { background: var(--white); color: var(--ink); border: 1px solid var(--line); }
.button-secondary:hover { color: var(--primary); box-shadow: 0 10px 30px rgba(36,36,51,.08); }
.button-light { background: var(--white); color: var(--ink); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { color: var(--white); }
.button-ghost { color: var(--ink); border: 1px solid rgba(36,36,51,.24); }
.button-ghost:hover { color: var(--ink); background: rgba(255,255,255,.35); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 24px 0 0; list-style: none; color: var(--muted); font-size: 13px; }
.hero-notes li::before { content: "✓"; color: var(--primary); font-weight: 800; margin-right: 6px; }
.hero-media { position: relative; }
.hero-media > img,.page-hero img { width: 100%; border-radius: var(--radius-lg); background: var(--soft); box-shadow: var(--shadow); aspect-ratio: 1.3 / 1; object-fit: cover; }
.hero-side-note { position: absolute; left: -26px; bottom: -24px; width: min(300px,72%); padding: 18px 20px; border-radius: 16px; background: var(--ink); color: var(--white); box-shadow: var(--shadow); }
.hero-side-note strong,.hero-side-note span { display: block; }
.hero-side-note span { margin-top: 5px; color: #d8d6e4; font-size: 13px; }
.section { padding: 82px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--ink); color: #dedde7; }
.section-accent { background: #e9e4ff; }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading h2,.editorial-copy h2,.sticky-heading h2,.content-narrow h2,.related-panel h2,.safety-callout h2,.text-columns h2,.policy-content h2,.contact-main h2,.contact-aside h2 { margin: 8px 0 13px; color: var(--ink); font-size: clamp(29px,3.4vw,44px); line-height: 1.15; letter-spacing: -.024em; }
.section-heading p { margin: 0; color: var(--muted); }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; max-width: none; gap: 60px; align-items: end; }
.split-heading p { padding-bottom: 5px; }
.inverted h2,.inverted p,.section-dark h2,.section-dark h3 { color: var(--white); }
.section-dark .eyebrow { color: #bdb2ff; }
.topic-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.topic-card { overflow: hidden; background: var(--white); border: 1px solid rgba(111,90,232,.12); border-radius: var(--radius-md); }
.topic-card img { width: 100%; aspect-ratio: 1.55 / 1; object-fit: cover; background: #e5e2f6; }
.topic-card-body { padding: 24px; }
.topic-card h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.3; }
.topic-card h3 a { color: var(--ink); text-decoration: none; }
.topic-card p { margin: 0 0 16px; color: var(--muted); }
.text-link { font-weight: 760; }
.editorial-split { display: grid; grid-template-columns: .95fr 1.05fr; gap: 64px; align-items: center; }
.editorial-split.reverse { grid-template-columns: 1.05fr .95fr; }
.editorial-media img,.editorial-split > img { width: 100%; border-radius: var(--radius-lg); aspect-ratio: 1.36 / 1; object-fit: cover; background: var(--soft); }
.editorial-copy p { color: #60606d; }
.decision-list { margin-top: 24px; display: grid; gap: 12px; }
.decision-list > div { padding: 17px 18px; background: var(--soft); border-radius: 13px; }
.decision-list strong { color: var(--ink); }
.decision-list p { margin: 5px 0 8px; }
.feature-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin: 38px 0 28px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.10); border-radius: 16px; overflow: hidden; }
.feature-strip article { padding: 24px; background: var(--ink); }
.feature-strip h3 { margin: 0 0 9px; font-size: 20px; }
.feature-strip p { margin: 0; color: #bdbcc9; font-size: 14px; }
.guide-preview { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.compact-list { border-top: 1px solid var(--line); }
.guide-row { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.guide-index { color: var(--primary); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.guide-row h3 { margin: 4px 0 6px; font-size: 21px; }
.guide-row h3 a { color: var(--ink); text-decoration: none; }
.guide-row p { margin: 0; color: var(--muted); }
.arrow-link { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--soft); text-decoration: none; font-size: 22px; }
.two-column-callout { display: grid; grid-template-columns: 1fr .85fr; gap: 58px; align-items: center; }
.two-column-callout img { width: 100%; border-radius: var(--radius-lg); aspect-ratio: 1.35/1; object-fit: cover; background: #e5e2f6; }
.two-column-callout h2 { margin: 8px 0 14px; color: var(--ink); font-size: clamp(30px,4vw,46px); line-height: 1.15; }
.trust-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.trust-links { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.trust-links a { display: grid; grid-template-columns: 110px 1fr; gap: 16px; align-items: center; border: 1px solid var(--line); border-radius: 16px; padding: 12px; text-decoration: none; background: var(--white); }
.trust-links img { width: 110px; height: 90px; object-fit: cover; border-radius: 10px; }
.trust-links strong,.trust-links small { display: block; }
.trust-links strong { color: var(--ink); }
.trust-links small { margin-top: 5px; color: var(--muted); }
.faq-preview { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.faq-preview h2 { margin: 8px 0 13px; color: var(--ink); font-size: clamp(30px,4vw,46px); line-height: 1.15; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding: 18px 42px 18px 0; color: var(--ink); font-weight: 760; position: relative; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; font-size: 22px; color: var(--primary); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: 0; padding: 0 0 20px; color: var(--muted); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band h2 { margin: 8px 0 7px; color: var(--ink); font-size: clamp(28px,3.8vw,44px); line-height: 1.16; }
.cta-band p { margin: 0; max-width: 720px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; flex-shrink: 0; }
.site-footer { background: #1e1e2a; color: #c9c8d2; padding: 62px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 42px; }
.footer-brand { color: var(--white); font-size: 25px; font-weight: 800; text-decoration: none; }
.footer-intro p { max-width: 360px; color: #9f9daa; }
.footer-group h2 { margin: 0 0 13px; color: var(--white); font-size: 15px; }
.footer-group ul { margin: 0; padding: 0; list-style: none; }
.footer-group li + li { margin-top: 8px; }
.footer-group a { color: #b8b6c3; text-decoration: none; }
.footer-group a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.10); font-size: 13px; }
.back-top { border: 0; background: transparent; color: #d8d6e4; }
.page-top { padding-top: 22px; }
.breadcrumbs ol { display: flex; gap: 7px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 13px; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 7px; color: #aaa7b8; }
.breadcrumbs a { color: var(--muted); }
.page-hero { padding: 46px 0 70px; }
.compact-hero { padding-bottom: 55px; }
.content-narrow { max-width: 860px; }
.content-narrow p { font-size: 17px; color: #555563; }
.steps-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: start; }
.sticky-heading { position: sticky; top: 116px; }
.numbered-steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.numbered-steps li { counter-increment: step; position: relative; padding: 0 0 30px 70px; border-left: 1px solid var(--line); }
.numbered-steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.numbered-steps li::before { content: counter(step); position: absolute; left: -23px; top: -2px; width: 45px; height: 45px; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: var(--white); font-weight: 800; }
.numbered-steps strong { display: block; color: var(--ink); font-size: 21px; }
.numbered-steps p { margin: 6px 0 0; color: var(--muted); }
.comparison-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 68px; align-items: start; }
.comparison-grid > div:first-child p { color: #bcbac7; }
.comparison-cards { display: grid; gap: 12px; }
.comparison-cards article { padding: 18px 20px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(255,255,255,.03); }
.comparison-cards strong { color: #f0edff; }
.comparison-cards p { margin: 5px 0 0; color: #bbb9c7; }
.check-list { margin: 22px 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; margin: 10px 0; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 800; }
.related-panel { display: grid; grid-template-columns: 1fr 1fr auto; gap: 30px; align-items: center; }
.related-panel h2 { font-size: clamp(26px,3vw,36px); }
.related-panel p { color: var(--muted); }
.checklist-section .section-heading { max-width: 820px; }
.check-card-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.check-card-grid article { background: var(--white); border-radius: 16px; padding: 24px; border: 1px solid rgba(111,90,232,.12); }
.check-card-grid article > span { display: inline-block; color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.check-card-grid h3 { margin: 14px 0 8px; color: var(--ink); }
.check-card-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.process-line { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4,1fr); list-style: none; counter-reset: flow; }
.process-line li { counter-increment: flow; position: relative; padding: 24px; border-top: 1px solid rgba(255,255,255,.14); }
.process-line li::before { content: "0" counter(flow); display: block; margin-bottom: 15px; color: #bdb2ff; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.process-line strong { color: var(--white); }
.process-line p { margin: 7px 0 0; color: #bcbac8; font-size: 14px; }
.definition-list { margin: 22px 0 0; }
.definition-list div { display: grid; grid-template-columns: 75px 1fr; gap: 15px; padding: 14px 0; border-top: 1px solid var(--line); }
.definition-list dt { font-weight: 800; color: var(--ink); }
.definition-list dd { margin: 0; color: var(--muted); }
.safety-callout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; }
.safety-callout img { width: 100%; border-radius: 18px; aspect-ratio: 4/3; object-fit: cover; }
.feature-detail-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.feature-detail { padding: 27px; background: var(--white); border: 1px solid rgba(111,90,232,.10); border-radius: 16px; }
.feature-detail > span { color: var(--primary); font-weight: 800; font-size: 12px; }
.feature-detail h2 { margin: 13px 0 9px; color: var(--ink); font-size: 23px; }
.feature-detail p { margin: 0; color: var(--muted); }
.text-columns { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: start; }
.text-columns p { margin-top: 0; color: #c1bfca; font-size: 17px; }
.inline-links { display: flex; flex-wrap: wrap; gap: 10px; }
.inline-links a { display: inline-flex; padding: 9px 12px; border-radius: 9px; background: var(--white); border: 1px solid var(--line); text-decoration: none; }
.guide-index-links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.guide-index-links a { padding: 20px; background: var(--white); border: 1px solid rgba(111,90,232,.10); border-radius: 14px; text-decoration: none; }
.guide-index-links strong,.guide-index-links span { display: block; }
.guide-index-links strong { color: var(--ink); }
.guide-index-links span { margin-top: 6px; color: var(--muted); font-size: 14px; }
.guide-detail { scroll-margin-top: 86px; }
.guide-detail:nth-of-type(even) { background: #fbfbfe; }
.guide-detail-grid { display: grid; grid-template-columns: 120px 1fr; gap: 30px; max-width: 980px; }
.guide-number { color: #c4bee7; font-size: 64px; font-weight: 900; line-height: 1; }
.guide-detail h2 { margin: 7px 0 10px; color: var(--ink); font-size: clamp(29px,3.7vw,42px); line-height: 1.18; }
.guide-summary { max-width: 790px; color: var(--muted); font-size: 17px; }
.guide-steps { margin: 28px 0 0; padding: 0; list-style: none; }
.guide-steps li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; padding: 16px 0; border-top: 1px solid var(--line); }
.guide-steps span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--soft); color: var(--primary); font-weight: 800; }
.guide-steps p { margin: 4px 0 0; }
.guide-next { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.guide-next a { padding: 9px 12px; border-radius: 9px; background: var(--soft); text-decoration: none; font-weight: 700; }
.faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 60px; align-items: start; }
.faq-side { position: sticky; top: 110px; }
.faq-side h2 { margin: 8px 0 15px; color: var(--ink); font-size: 28px; }
.faq-side ul { padding: 0; margin: 0; list-style: none; }
.faq-side li { border-top: 1px solid var(--line); }
.faq-side li:last-child { border-bottom: 1px solid var(--line); }
.faq-side a { display: block; padding: 12px 0; text-decoration: none; }
.full-faq details { background: var(--white); margin-bottom: 10px; border: 1px solid rgba(111,90,232,.10); border-radius: 12px; overflow: hidden; }
.full-faq summary { padding: 18px 52px 18px 20px; }
.full-faq details > div { padding: 0 20px; }
.inline-search label { display: block; color: var(--ink); font-weight: 700; margin-bottom: 7px; }
.inline-search > div { display: flex; gap: 8px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-grid article { padding: 28px; background: var(--white); border-radius: 16px; border: 1px solid rgba(111,90,232,.11); }
.about-grid span { color: var(--primary); font-weight: 800; font-size: 12px; }
.about-grid h2 { margin: 12px 0 8px; color: var(--ink); font-size: 26px; }
.about-grid p { margin: 0; color: var(--muted); }
.safety-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.safety-grid article { padding: 24px; border-radius: 15px; background: var(--white); border: 1px solid rgba(111,90,232,.10); }
.safety-grid h2 { margin: 0 0 9px; color: var(--ink); font-size: 21px; }
.safety-grid p { margin: 0; color: var(--muted); }
.policy-layout { display: grid; grid-template-columns: 260px 1fr; gap: 56px; align-items: start; }
.policy-nav { position: sticky; top: 110px; display: grid; }
.policy-nav a { padding: 10px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.policy-content section + section { margin-top: 38px; padding-top: 32px; border-top: 1px solid var(--line); }
.policy-content h2 { font-size: 28px; }
.policy-content p { color: #5f5f6c; font-size: 16px; }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: start; }
.contact-checklist { margin: 22px 0 0; padding: 0; list-style: none; }
.contact-checklist li { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 15px 0; border-top: 1px solid var(--line); }
.contact-checklist strong { color: var(--ink); }
.contact-checklist span { color: var(--muted); }
.contact-aside { padding: 22px; background: var(--white); border-radius: 18px; }
.contact-aside img { width: 100%; border-radius: 12px; aspect-ratio: 1.4/1; object-fit: cover; }
.contact-aside h2 { font-size: 24px; }
.contact-aside p { color: var(--muted); }
.search-page-head { padding: 64px 0 50px; }
.search-page-inner { max-width: 820px; }
.search-page-head h1 { margin: 8px 0 26px; color: var(--ink); font-size: clamp(34px,4.8vw,54px); line-height: 1.12; }
.large-search { max-width: 760px; }
.search-results { max-width: 900px; }
.results-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; border-bottom: 1px solid var(--line); }
.results-head h2 { margin: 0 0 13px; color: var(--ink); }
.results-head p { margin: 0 0 13px; color: var(--muted); }
.result-list article { padding: 24px 0; border-bottom: 1px solid var(--line); }
.result-type { display: inline-block; font-size: 11px; font-weight: 800; color: var(--primary); letter-spacing: .1em; }
.result-list h3 { margin: 5px 0 7px; font-size: 24px; }
.result-list h3 a { color: var(--ink); text-decoration: none; }
.result-list p { margin: 0 0 10px; color: var(--muted); }
.empty-state { padding: 36px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.empty-state h2 { color: var(--ink); }
.not-found { padding: 90px 0; }
.not-found-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.error-code { display: block; color: #cfc9f1; font-size: clamp(70px,12vw,150px); font-weight: 900; line-height: .82; letter-spacing: -.06em; }
.not-found h1 { margin: 12px 0; color: var(--ink); font-size: clamp(35px,5vw,58px); line-height: 1.1; }
.not-found-links { display: grid; padding: 28px; background: var(--white); border-radius: 18px; }
.not-found-links h2 { margin-top: 0; color: var(--ink); font-size: 22px; }
.not-found-links a { padding: 12px 0; border-top: 1px solid var(--line); text-decoration: none; }
@media (max-width: 1080px) {
  .primary-nav { gap: 1px; }
  .primary-nav a { padding: 9px 7px; }
  .hero-grid,.page-hero-grid { gap: 38px; }
  .topic-grid { grid-template-columns: repeat(2,1fr); }
  .feature-strip { grid-template-columns: repeat(2,1fr); }
  .check-card-grid { grid-template-columns: repeat(2,1fr); }
  .process-line { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; gap: 12px; padding: 11px 0; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .search-open { order: 3; margin-left: auto; }
  .primary-nav { display: none; order: 4; width: 100%; margin: 0; padding: 9px 0 2px; border-top: 1px solid var(--line); grid-template-columns: 1fr 1fr; }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { padding: 10px; }
  .hero-grid,.page-hero-grid,.editorial-split,.editorial-split.reverse,.split-heading,.guide-preview,.two-column-callout,.trust-grid,.faq-preview,.steps-layout,.comparison-grid,.text-columns,.faq-layout,.policy-layout,.contact-grid,.not-found-grid { grid-template-columns: 1fr; }
  .hero-media { max-width: 720px; }
  .hero-side-note { left: 18px; }
  .guide-preview,.trust-grid,.faq-preview,.steps-layout,.comparison-grid,.text-columns,.faq-layout,.policy-layout,.contact-grid { gap: 38px; }
  .sticky-heading,.faq-side,.policy-nav { position: static; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-intro { grid-column: 1 / -1; }
  .related-panel { grid-template-columns: 1fr; }
  .safety-grid,.feature-detail-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .site-header { position: relative; }
  .brand-copy small { display: none; }
  .search-open { order: initial; margin-left: 0; }
  .header-inner { flex-wrap: nowrap; }
  .primary-nav { position: absolute; left: 0; right: 0; top: 100%; padding: 12px 14px 14px; background: var(--bg); box-shadow: 0 16px 30px rgba(36,36,51,.12); }
  .hero,.section { padding: 58px 0; }
  .page-hero { padding: 34px 0 54px; }
  .hero-copy h1,.page-hero h1 { font-size: clamp(34px,11vw,48px); }
  .hero-grid,.page-hero-grid { gap: 28px; }
  .hero-side-note { position: static; width: 100%; margin-top: 10px; }
  .topic-grid,.check-card-grid,.feature-detail-grid,.safety-grid,.guide-index-links,.about-grid,.trust-links { grid-template-columns: 1fr; }
  .feature-strip,.process-line { grid-template-columns: 1fr; }
  .trust-links a { grid-template-columns: 86px 1fr; }
  .trust-links img { width: 86px; height: 75px; }
  .cta-band { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-intro { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .guide-detail-grid { grid-template-columns: 1fr; gap: 12px; }
  .guide-number { font-size: 44px; }
  .safety-callout { grid-template-columns: 1fr; }
  .safety-callout img { max-width: 320px; }
  .contact-checklist li { grid-template-columns: 1fr; gap: 2px; }
  .search-row,.inline-search > div { grid-template-columns: 1fr; display: grid; }
  .results-head { align-items: flex-start; flex-direction: column; }
  .results-head p { margin-top: -10px; }
}
@media (max-width: 430px) {
  .header-inner { gap: 8px; }
  .brand img { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 16px; }
  .menu-toggle,.search-open { padding: 9px 10px; font-size: 13px; }
  .primary-nav { grid-template-columns: 1fr; }
  .hero-actions,.cta-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .definition-list div { grid-template-columns: 1fr; gap: 4px; }
  .not-found-links { padding: 22px; }
}