:root {
  --blue: #2980FE;
  --blue-deep: #1767D6;
  --blue-soft: #EAF3FF;
  --blue-mist: #F5F8FD;
  --gray-soft: #F7F9FC;
  --white: #FFFFFF;
  --ink: #172033;
  --text: #465266;
  --muted: #718096;
  --line: #DCE6F2;
  --footer: #10233F;
  --shadow: 0 18px 50px rgba(23, 103, 214, .10);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif; line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 14px; background: var(--ink); color: #fff; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(220,230,242,.85); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { width: 148px; max-height: 44px; object-fit: contain; }
.desktop-nav { display: flex; align-items: stretch; justify-content: center; gap: 2px; min-width: 0; flex: 1; align-self: stretch; }
.nav-link { position: relative; display: inline-flex; align-items: center; padding: 0 12px; font-size: 14px; font-weight: 700; white-space: nowrap; color: #33415a; }
.nav-link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 14px; height: 2px; background: var(--blue); transform: scaleX(0); transition: transform .2s ease; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active { color: var(--blue-deep); }
.nav-link:hover::after, .nav-link:focus-visible::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-item { position: relative; display: flex; align-items: stretch; }
.mega-menu { position: fixed; top: 76px; left: 50%; width: min(900px, calc(100vw - 44px)); transform: translate(-50%, 12px); display: grid; grid-template-columns: .9fr 2fr; gap: 24px; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 0 0 24px 24px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transition: .2s ease; }
.nav-item:hover .mega-menu, .nav-item:focus-within .mega-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.mega-intro { padding: 22px; border-radius: 18px; background: linear-gradient(145deg, var(--blue-soft), #fff); }
.mega-intro strong { display: block; margin: 5px 0 8px; font-size: 20px; line-height: 1.4; }
.mega-intro p { margin: 0; color: var(--text); font-size: 13px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-deep); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; }
.mega-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mega-links a { min-height: 78px; display: flex; flex-direction: column; justify-content: center; padding: 12px 14px; border: 1px solid transparent; border-radius: 14px; }
.mega-links a:hover, .mega-links a:focus-visible { background: var(--blue-mist); border-color: var(--line); }
.mega-links strong { font-size: 15px; }
.mega-links span { color: var(--muted); font-size: 12px; }
.mega-small { width: min(780px, calc(100vw - 44px)); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.header-download { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; color: #fff; background: var(--blue); border-radius: 999px; font-weight: 800; font-size: 14px; box-shadow: 0 10px 24px rgba(41,128,254,.22); }
.header-download:hover { background: var(--blue-deep); }
.menu-toggle { width: 44px; height: 44px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0; border: 1px solid var(--line); border-radius: 14px; background: #fff; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
.menu-backdrop { position: fixed; inset: 0; z-index: 1090; background: rgba(10,24,46,.42); opacity: 0; transition: opacity .22s ease; }
.menu-backdrop.is-visible { opacity: 1; }
.mobile-menu { position: fixed; top: 0; right: 0; z-index: 1100; width: min(480px, 92vw); height: 100dvh; display: flex; flex-direction: column; background: #fff; box-shadow: -24px 0 60px rgba(16,35,63,.18); transform: translateX(102%); transition: transform .25s ease; }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { min-height: 76px; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.menu-close { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 14px; background: #fff; font-size: 30px; line-height: 1; cursor: pointer; }
.mobile-menu-body { flex: 1; padding: 18px 20px 30px; overflow-y: auto; }
.mobile-menu details { border-bottom: 1px solid var(--line); }
.mobile-menu summary, .mobile-home { min-height: 54px; display: flex; align-items: center; justify-content: space-between; font-weight: 800; cursor: pointer; list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after { content: "+"; font-size: 22px; color: var(--blue); }
.mobile-menu details[open] summary::after { content: "−"; }
.mobile-group-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 0 0 16px; }
.mobile-group-links a { min-height: 44px; display: flex; align-items: center; padding: 10px 12px; color: var(--text); background: var(--blue-mist); border-radius: 12px; font-size: 14px; }
.mobile-menu-foot { padding: 16px 20px max(16px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 22px; border-radius: 999px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 14px 30px rgba(41,128,254,.22); }
.button-primary:hover { background: var(--blue-deep); }
.button-secondary { color: var(--blue-deep); background: #fff; border: 1px solid var(--line); }
.button-ghost { color: var(--blue-deep); background: var(--blue-soft); }
.button-wide { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
main { display: block; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-blue { background: var(--blue-mist); }
.section-soft { background: var(--gray-soft); }
.section-gradient { background: linear-gradient(180deg, #fff 0%, var(--blue-mist) 100%); }
.section-title { max-width: 760px; margin-bottom: 36px; }
.section-title.center { margin-inline: auto; text-align: center; }
.section-title h2 { margin: 8px 0 12px; font-size: clamp(30px, 4.3vw, 48px); line-height: 1.18; letter-spacing: -.03em; }
.section-title p { margin: 0; color: var(--text); font-size: 17px; }
.hero { position: relative; overflow: hidden; padding: 86px 0 74px; background: radial-gradient(circle at 82% 20%, rgba(41,128,254,.17), transparent 28%), linear-gradient(145deg, #fff 18%, #eef6ff 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border: 1px solid rgba(41,128,254,.14); border-radius: 50%; pointer-events: none; }
.hero::before { width: 420px; height: 420px; right: -220px; top: -170px; }
.hero::after { width: 230px; height: 230px; left: -130px; bottom: -120px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.hero h1 { max-width: 680px; margin: 10px 0 20px; font-size: clamp(42px, 6vw, 76px); line-height: 1.04; letter-spacing: -.055em; }
.hero-lead { max-width: 690px; margin: 0; color: var(--text); font-size: clamp(17px, 2vw, 20px); }
.hero-copy { margin-top: 18px; max-width: 700px; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.tag { display: inline-flex; align-items: center; min-height: 36px; padding: 0 13px; background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: 999px; color: #33415a; font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-device { width: min(100%, 390px); filter: drop-shadow(0 30px 50px rgba(23,103,214,.18)); }
.float-note { position: absolute; min-width: 180px; padding: 14px 16px; background: rgba(255,255,255,.92); border: 1px solid rgba(220,230,242,.9); border-radius: 16px; box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.float-note strong { display: block; font-size: 14px; }
.float-note span { color: var(--muted); font-size: 12px; }
.note-a { top: 10%; left: -5%; }
.note-b { right: -5%; top: 42%; }
.note-c { left: 0; bottom: 8%; }
.capability-strip { position: relative; z-index: 2; margin-top: -24px; }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; }
.capability-item { padding: 24px; }
.capability-item + .capability-item { border-left: 1px solid var(--line); }
.capability-item strong { display: block; margin-bottom: 6px; font-size: 17px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 13px; }
.category-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; }
.category-card { min-height: 218px; display: flex; flex-direction: column; justify-content: space-between; padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: #fff; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.category-card:hover { transform: translateY(-5px); border-color: #bad3f5; box-shadow: var(--shadow); }
.category-card:nth-child(1) { grid-column: span 2; background: linear-gradient(145deg, var(--blue), var(--blue-deep)); color: #fff; }
.category-card:nth-child(5), .category-card:nth-child(7) { grid-column: span 2; }
.category-card:nth-child(8) { grid-column: span 1; }
.category-card:nth-child(9), .category-card:nth-child(10) { grid-column: span 2; background: var(--blue-soft); }
.category-card h3 { margin: 0 0 8px; font-size: 22px; }
.category-card p { margin: 0; color: var(--text); font-size: 14px; }
.category-card:nth-child(1) p { color: rgba(255,255,255,.78); }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--blue-deep); font-weight: 800; font-size: 14px; }
.category-card:nth-child(1) .text-link { color: #fff; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.feature-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; }
.feature-split.reverse { grid-template-columns: 1.1fr .9fr; }
.feature-split.reverse .feature-media { order: 2; }
.feature-media { min-height: 440px; display: grid; place-items: center; padding: 32px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.feature-media img { max-height: 420px; object-fit: contain; }
.feature-panel { padding: 38px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.feature-panel h2, .feature-panel h3 { margin: 8px 0 14px; line-height: 1.2; }
.feature-panel h2 { font-size: clamp(30px,4vw,48px); }
.feature-panel h3 { font-size: 28px; }
.feature-panel p { color: var(--text); }
.check-list { display: grid; gap: 10px; padding: 0; margin: 22px 0 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: 50%; font-size: 12px; font-weight: 900; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.topic-card { position: relative; overflow: hidden; min-height: 420px; padding: 38px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff; }
.topic-card.accent { background: linear-gradient(145deg, var(--blue-soft), #fff 65%); }
.topic-card h2, .topic-card h3 { margin: 8px 0 14px; font-size: clamp(28px,3.5vw,42px); line-height: 1.2; }
.topic-card p { color: var(--text); }
.topic-card ul { padding-left: 20px; color: var(--text); }
.topic-card img { max-height: 220px; margin: 18px auto 0; object-fit: contain; }
.security-band { position: relative; overflow: hidden; color: #fff; background: linear-gradient(135deg, #102d55, #1767D6); }
.security-band::after { content: ""; position: absolute; width: 440px; height: 440px; right: -130px; top: -200px; border: 70px solid rgba(255,255,255,.05); border-radius: 50%; }
.security-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
.security-band .section-title p { color: rgba(255,255,255,.76); }
.security-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.security-list div { padding: 18px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.15); border-radius: 16px; }
.security-list strong { display: block; margin-bottom: 5px; }
.security-list span { color: rgba(255,255,255,.72); font-size: 13px; }
.process { display: grid; grid-template-columns: repeat(6,1fr); gap: 12px; counter-reset: step; }
.process-step { position: relative; min-height: 240px; padding: 22px 18px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.process-step::before { counter-increment: step; content: "0" counter(step); display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin-bottom: 20px; color: #fff; background: var(--blue); border-radius: 13px; font-size: 13px; font-weight: 900; }
.process-step h3 { margin: 0 0 8px; font-size: 17px; }
.process-step p { margin: 0; color: var(--muted); font-size: 13px; }
.timeline { display: grid; gap: 0; border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 130px 1fr auto; gap: 24px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.timeline-item time { color: var(--blue-deep); font-weight: 800; font-size: 13px; }
.timeline-item h3 { margin: 0 0 4px; font-size: 18px; }
.timeline-item p { margin: 0; color: var(--muted); font-size: 14px; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.review { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.review p { margin: 0; color: var(--text); }
.review span { display: block; margin-top: 16px; color: var(--muted); font-size: 13px; }
.faq-list { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item > button { width: 100%; min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0; text-align: left; border: 0; background: transparent; cursor: pointer; font-weight: 800; }
.faq-item > button::after { content: "+"; flex: 0 0 auto; width: 32px; height: 32px; display: grid; place-items: center; color: var(--blue); background: var(--blue-soft); border-radius: 10px; font-size: 22px; }
.faq-item > button[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 52px 24px 0; color: var(--text); }
.faq-answer p { margin: 0; }
.cta-band { padding: 76px 34px; text-align: center; border-radius: 30px; background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.25), transparent 35%), linear-gradient(135deg, var(--blue), var(--blue-deep)); color: #fff; }
.cta-band h2 { max-width: 760px; margin: 0 auto 12px; font-size: clamp(34px,5vw,58px); line-height: 1.12; }
.cta-band p { max-width: 720px; margin: 0 auto; color: rgba(255,255,255,.8); }
.cta-band .button-secondary { color: var(--blue-deep); }
.inner-hero { padding: 76px 0 64px; background: linear-gradient(145deg, #fff, var(--blue-mist)); border-bottom: 1px solid var(--line); }
.inner-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.inner-hero h1 { margin: 10px 0 18px; font-size: clamp(40px,6vw,68px); line-height: 1.08; letter-spacing: -.045em; }
.inner-hero p { margin: 0; max-width: 760px; color: var(--text); font-size: 18px; }
.inner-hero-visual { min-height: 330px; display: grid; place-items: center; padding: 28px; background: rgba(255,255,255,.75); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.inner-hero-visual img { max-height: 320px; object-fit: contain; }
.content-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.info-card { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.info-card h2, .info-card h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.3; }
.info-card p { margin: 0; color: var(--text); }
.number-card { position: relative; padding-top: 72px; }
.number-card::before { content: attr(data-number); position: absolute; left: 26px; top: 24px; color: var(--blue); font-size: 22px; font-weight: 900; }
.prose { max-width: 820px; }
.prose h2 { margin: 44px 0 14px; font-size: 32px; line-height: 1.25; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 30px 0 10px; font-size: 23px; }
.prose p, .prose li { color: var(--text); }
.prose ul, .prose ol { padding-left: 22px; }
.aside-layout { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 46px; align-items: start; }
.sticky-aside { position: sticky; top: 104px; padding: 24px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 20px; }
.sticky-aside h2 { margin: 0 0 12px; font-size: 20px; }
.sticky-aside a { display: block; padding: 10px 0; color: var(--blue-deep); border-bottom: 1px solid var(--line); font-weight: 700; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; min-width: 680px; border-collapse: collapse; background: #fff; }
th, td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink); background: var(--blue-mist); }
td { color: var(--text); }
.contact-options { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.notice { padding: 22px 24px; background: #fff8e8; border: 1px solid #f1d995; border-radius: 16px; color: #6e5720; }
.site-footer { padding: 72px 0 22px; color: rgba(255,255,255,.78); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.55fr repeat(3,1fr); gap: 44px; }
.footer-brand p { max-width: 420px; margin: 18px 0 0; }
.footer-logo { display: inline-flex; padding: 8px 12px; background: #fff; border-radius: 12px; }
.site-footer h2 { margin: 0 0 14px; color: #fff; font-size: 15px; }
.site-footer a { display: block; margin: 9px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 20px; }
.footer-bottom a { margin: 0; }
@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .hero-grid, .inner-hero-grid { gap: 34px; }
  .process { grid-template-columns: repeat(3,1fr); }
  .category-grid { grid-template-columns: repeat(4,1fr); }
  .category-card:nth-child(1), .category-card:nth-child(5), .category-card:nth-child(7), .category-card:nth-child(9), .category-card:nth-child(10) { grid-column: span 2; }
}
@media (max-width: 820px) {
  .section { padding: 72px 0; }
  .hero { padding-top: 60px; }
  .hero-grid, .inner-hero-grid, .feature-split, .feature-split.reverse, .security-grid, .aside-layout { grid-template-columns: 1fr; }
  .feature-split.reverse .feature-media { order: 0; }
  .hero-visual { min-height: 430px; }
  .inner-hero-visual { min-height: 280px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-item + .capability-item { border-left: 0; }
  .capability-item:nth-child(even) { border-left: 1px solid var(--line); }
  .capability-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .category-card, .category-card:nth-child(n) { grid-column: span 1; }
  .category-card:nth-child(1), .category-card:nth-child(9), .category-card:nth-child(10) { grid-column: span 2; }
  .dual-grid, .content-grid, .contact-options { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr 1fr; }
  .timeline-item { grid-template-columns: 100px 1fr; }
  .timeline-item .text-link { grid-column: 2; margin-top: 0; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / -1; }
  .sticky-aside { position: static; }
}
@media (max-width: 580px) {
  .shell { width: min(100% - 28px, 1180px); }
  .header-inner { min-height: 68px; gap: 10px; }
  .brand img { width: 118px; }
  .header-download { min-height: 42px; padding: 0 13px; font-size: 13px; }
  .menu-toggle { width: 42px; height: 42px; }
  .hero { padding: 48px 0 58px; }
  .hero-grid { gap: 26px; }
  .hero h1 { font-size: clamp(40px, 13vw, 58px); }
  .button-row { flex-direction: column; }
  .button-row .button { width: 100%; }
  .hero-visual { min-height: 410px; padding-top: 52px; }
  .hero-device { width: min(80%, 320px); }
  .float-note { min-width: 0; width: 46%; padding: 11px 12px; }
  .float-note strong { font-size: 12px; }
  .note-a { top: 0; left: 0; }
  .note-b { right: 0; top: 44%; }
  .note-c { left: 0; bottom: 0; }
  .capability-strip { margin-top: -10px; }
  .capability-grid, .category-grid, .dual-grid, .content-grid, .contact-options, .review-grid, .security-list, .process, .footer-grid { grid-template-columns: 1fr; }
  .capability-item:nth-child(even) { border-left: 0; }
  .capability-item + .capability-item { border-top: 1px solid var(--line); }
  .category-card, .category-card:nth-child(n) { grid-column: span 1; min-height: 190px; }
  .feature-media { min-height: 330px; padding: 22px; }
  .feature-panel, .topic-card { padding: 26px; }
  .topic-card { min-height: 0; }
  .security-list div { padding: 16px; }
  .timeline-item { grid-template-columns: 1fr; gap: 5px; }
  .timeline-item .text-link { grid-column: auto; }
  .cta-band { padding: 58px 22px; }
  .inner-hero { padding: 54px 0 48px; }
  .inner-hero h1 { font-size: clamp(38px,12vw,54px); }
  .inner-hero-visual { min-height: 230px; }
  .mobile-group-links { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom div { flex-wrap: wrap; }
}