:root {
  --brand: #2980FE;
  --brand-deep: #1767D6;
  --brand-soft: #EAF3FF;
  --canvas: #F5F8FD;
  --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;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 9999;
  padding: 10px 16px; border-radius: 10px; color: var(--white); background: var(--brand-deep);
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(220,230,242,.85);
  backdrop-filter: blur(16px);
}
.nav-shell {
  width: min(calc(100% - 40px), 1320px); min-height: 76px; margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
}
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { width: 166px; height: 42px; object-fit: contain; }
.desktop-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 3px; white-space: nowrap; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 9px 10px;
  color: var(--ink); font-size: 14px; font-weight: 700; border-radius: 12px;
}
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active { color: var(--brand-deep); background: var(--brand-soft); }
.nav-group { position: relative; }
.mega-menu {
  position: absolute; top: calc(100% + 14px); left: 50%; width: 620px; padding: 22px;
  display: grid; grid-template-columns: 190px 1fr; gap: 20px;
  opacity: 0; visibility: hidden; transform: translate(-50%, 10px); pointer-events: none;
  background: var(--white); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.mega-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -18px; height: 20px; }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu {
  opacity: 1; visibility: visible; transform: translate(-50%, 0); pointer-events: auto;
}
.mega-heading { padding: 16px; border-radius: 18px; background: linear-gradient(145deg, var(--brand-soft), #f7fbff); }
.mega-heading span { color: var(--ink); font-size: 18px; font-weight: 800; }
.mega-heading p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.mega-links { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.mega-links a { padding: 11px 12px; border-radius: 14px; border: 1px solid transparent; }
.mega-links a:hover, .mega-links a:focus-visible { border-color: var(--line); background: var(--canvas); }
.mega-links strong, .mega-links span { display: block; }
.mega-links strong { color: var(--ink); font-size: 14px; }
.mega-links span { margin-top: 2px; color: var(--muted); font-size: 12px; line-height: 1.45; }

.nav-actions { position: relative; flex: 0 0 auto; display: flex; align-items: center; gap: 8px; }
.download-btn, .primary-btn, .secondary-btn, .text-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 19px;
  border-radius: 14px; font-weight: 800; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.download-btn, .primary-btn { color: var(--white); background: linear-gradient(135deg, var(--brand), var(--brand-deep)); box-shadow: 0 12px 24px rgba(41,128,254,.22); }
.download-btn:hover, .primary-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(41,128,254,.26); }
.secondary-btn { color: var(--brand-deep); background: var(--white); border: 1px solid var(--line); }
.secondary-btn:hover { background: var(--brand-soft); }
.text-btn { min-height: 42px; padding: 8px 0; color: var(--brand-deep); }
.text-btn::after { content: "→"; margin-left: 8px; }
.more-toggle, .mobile-menu-toggle {
  min-width: 46px; min-height: 46px; padding: 0 12px; border: 1px solid var(--line); border-radius: 14px;
  color: var(--ink); background: var(--white); font-weight: 800;
}
.mobile-menu-toggle { display: none; width: 46px; flex-direction: column; justify-content: center; gap: 4px; }
.mobile-menu-toggle span { display: block; width: 20px; height: 2px; margin: 0 auto; background: var(--ink); border-radius: 10px; }
.more-panel {
  position: absolute; right: max(20px, calc((100vw - 1320px)/2)); top: calc(100% + 8px); width: 190px; padding: 10px;
  border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: var(--shadow);
}
.more-panel a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--ink); font-weight: 700; }
.more-panel a:hover { background: var(--brand-soft); color: var(--brand-deep); }

.menu-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(16,35,63,.42); }
.mobile-menu {
  position: fixed; top: 0; right: 0; z-index: 1100; width: min(92vw, 440px); height: 100dvh;
  transform: translateX(105%); transition: transform .24s ease; background: var(--white); box-shadow: -20px 0 60px rgba(16,35,63,.16);
}
.mobile-menu[aria-hidden="false"] { transform: translateX(0); }
.mobile-menu-head { height: 78px; padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.mobile-brand img { width: 155px; height: 42px; object-fit: contain; }
.mobile-menu-close { width: 46px; height: 46px; border: 0; border-radius: 14px; color: var(--ink); background: var(--canvas); font-size: 30px; }
.mobile-menu-scroll { height: calc(100dvh - 78px); padding: 16px 18px 32px; overflow-y: auto; }
.mobile-home { display: flex; min-height: 48px; align-items: center; padding: 10px 14px; color: var(--ink); font-weight: 800; border-bottom: 1px solid var(--line); }
.mobile-nav-group { border-bottom: 1px solid var(--line); }
.mobile-nav-group > button { width: 100%; min-height: 52px; padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; border: 0; color: var(--ink); background: transparent; font-weight: 800; text-align: left; }
.mobile-submenu { padding: 0 10px 12px; }
.mobile-submenu a { display: block; min-height: 44px; padding: 9px 12px; color: var(--text); border-radius: 10px; }
.mobile-submenu a:hover { color: var(--brand-deep); background: var(--brand-soft); }
.mobile-download { width: 100%; margin-top: 20px; }

main { display: block; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--canvas); }
.section-blue { background: linear-gradient(145deg, #edf5ff 0%, #f8fbff 58%, #ffffff 100%); }
.section-dark { color: #dbe9ff; background: linear-gradient(135deg, var(--footer), #173b6f); }
.section-dark h2, .section-dark h3, .section-dark strong { color: var(--white); }
.section-dark p { color: #c6d6ef; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--brand-deep); font-weight: 800; letter-spacing: .06em; font-size: 13px; }
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 10px; background: var(--brand); }
h1, h2, h3, h4 { margin: 0; color: var(--ink); line-height: 1.25; letter-spacing: -.02em; }
h1 { font-size: clamp(38px, 5vw, 72px); }
h2 { font-size: clamp(30px, 3.2vw, 48px); }
h3 { font-size: 21px; }
p { margin: 0; }
.lead { margin-top: 22px; max-width: 760px; color: var(--text); font-size: 18px; }
.section-head { max-width: 760px; margin-bottom: 42px; }
.section-head p { margin-top: 16px; color: var(--muted); font-size: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag { display: inline-flex; min-height: 36px; align-items: center; padding: 6px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--brand-deep); background: rgba(255,255,255,.8); font-size: 14px; font-weight: 700; }

.hero { position: relative; padding: 80px 0 72px; overflow: hidden; background: linear-gradient(145deg, #ffffff 0%, #f3f8ff 58%, #e9f3ff 100%); }
.hero::before { content: ""; position: absolute; width: 430px; height: 430px; right: -120px; top: -180px; border-radius: 50%; background: rgba(41,128,254,.10); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 54px; }
.hero-copy { padding: 28px 0; }
.hero-copy h1 span { color: var(--brand); }
.hero-copy .lead { max-width: 690px; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 12% 6%; border-radius: 50%; background: radial-gradient(circle, rgba(41,128,254,.23), rgba(41,128,254,0) 68%); }
.hero-visual img { position: relative; width: min(100%, 510px); max-height: 560px; object-fit: contain; filter: drop-shadow(0 30px 35px rgba(16,35,63,.14)); }
.float-note { position: absolute; z-index: 2; max-width: 190px; padding: 13px 15px; border: 1px solid rgba(220,230,242,.9); border-radius: 16px; color: var(--ink); background: rgba(255,255,255,.92); box-shadow: var(--shadow); font-size: 13px; font-weight: 800; }
.float-note::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--brand); }
.note-one { top: 14%; left: 0; }
.note-two { top: 48%; right: -2%; }
.note-three { bottom: 12%; left: 6%; }
.capability-bar { margin-top: -22px; position: relative; z-index: 3; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 24px; background: var(--white); 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; color: var(--ink); font-size: 17px; }
.capability-item p { margin-top: 7px; color: var(--muted); font-size: 14px; line-height: 1.65; }

.category-mosaic { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-flow: dense; gap: 18px; }
.category-card { min-height: 230px; padding: 27px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: 0 14px 36px rgba(23,103,214,.06); }
.category-card.featured { grid-column: span 2; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); border-color: transparent; }
.category-card.featured h3, .category-card.featured p, .category-card.featured a { color: var(--white); }
.category-card.wide { grid-column: span 2; min-height: 210px; background: linear-gradient(145deg, #f3f8ff, #ffffff); }
.category-number { color: var(--brand); font-size: 13px; font-weight: 900; letter-spacing: .12em; }
.category-card.featured .category-number { color: #cfe4ff; }
.category-card h3 { margin-top: 22px; font-size: 23px; }
.category-card p { margin-top: 12px; color: var(--muted); font-size: 15px; }
.category-card a { margin-top: 24px; color: var(--brand-deep); font-weight: 800; }

.split { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); align-items: center; gap: 58px; }
.split.reverse .media-panel { order: 2; }
.media-panel { min-height: 470px; padding: 30px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, #eaf3ff, #ffffff); }
.media-panel img { width: 100%; max-height: 500px; object-fit: contain; }
.content-panel > p { margin-top: 18px; }
.check-list { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 32px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: var(--brand-deep); background: var(--brand-soft); font-size: 13px; font-weight: 900; }

.offset-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; align-items: start; }
.offset-panel { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.offset-panel:nth-child(2) { margin-top: 74px; background: linear-gradient(145deg, #f6f9fe, #eaf3ff); }
.offset-panel p { margin-top: 16px; }
.link-stack { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }
.link-stack a { color: var(--brand-deep); font-weight: 800; }

.dual-feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: 22px; align-items: stretch; }
.feature-block { padding: 40px; border-radius: var(--radius-lg); overflow: hidden; }
.feature-block.primary { background: linear-gradient(145deg, var(--brand-soft), #ffffff); border: 1px solid var(--line); }
.feature-block.secondary { color: #dceaff; background: linear-gradient(145deg, var(--footer), #204d87); }
.feature-block.secondary h3 { color: var(--white); }
.feature-block p { margin-top: 16px; }
.feature-block img { margin: 26px auto 0; max-height: 300px; object-fit: contain; }

.security-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: start; }
.security-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 28px; }
.security-item { padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(255,255,255,.07); }
.security-item strong { display: block; }
.security-item span { display: block; margin-top: 5px; color: #c6d6ef; font-size: 14px; }
.notice-panel { padding: 30px; border: 1px solid rgba(255,255,255,.16); border-radius: 24px; background: rgba(255,255,255,.08); }
.notice-panel h3 { color: var(--white); }
.notice-panel ul { margin: 18px 0 0; padding-left: 20px; }
.notice-panel li + li { margin-top: 12px; }

.swap-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; align-items: stretch; }
.swap-visual, .swap-checks { padding: 34px; border-radius: var(--radius-lg); }
.swap-visual { background: linear-gradient(145deg, #eaf3ff, #ffffff); border: 1px solid var(--line); }
.swap-visual img { margin: 22px auto 0; max-height: 330px; object-fit: contain; }
.swap-checks { background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.check-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 22px; }
.check-chip { padding: 14px 16px; border-radius: 14px; color: var(--ink); background: var(--canvas); font-weight: 750; }

.process { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 0; position: relative; }
.process::before { content: ""; position: absolute; left: 7%; right: 7%; top: 26px; height: 2px; background: var(--line); }
.process-step { position: relative; padding: 0 12px; text-align: center; }
.step-number { position: relative; z-index: 2; width: 52px; height: 52px; margin: 0 auto 18px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--brand); font-weight: 900; box-shadow: 0 0 0 8px var(--white); }
.process-step h3 { font-size: 17px; }
.process-step p { margin-top: 9px; color: var(--muted); font-size: 14px; }
.process-step a { display: inline-block; margin-top: 11px; color: var(--brand-deep); font-size: 13px; font-weight: 800; }

.timeline { border-left: 2px solid var(--line); margin-left: 10px; }
.timeline-item { position: relative; padding: 0 0 30px 30px; }
.timeline-item::before { content: ""; position: absolute; left: -8px; top: 8px; width: 14px; height: 14px; border: 4px solid var(--white); border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 1px var(--line); }
.timeline-item small { color: var(--brand-deep); font-weight: 800; }
.timeline-item h3 { margin-top: 5px; font-size: 19px; }
.timeline-item p { margin-top: 8px; color: var(--muted); }
.timeline-item a { display: inline-block; margin-top: 8px; color: var(--brand-deep); font-weight: 800; }

.review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.review { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.review::before { content: "“"; display: block; color: var(--brand); font-size: 46px; line-height: .8; font-weight: 900; }
.review p { margin-top: 16px; color: var(--text); }
.review span { display: block; margin-top: 16px; color: var(--muted); font-size: 13px; font-weight: 700; }

.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 18px; background: var(--white); overflow: hidden; }
.faq-trigger { width: 100%; min-height: 64px; padding: 18px 22px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 0; color: var(--ink); background: transparent; font-weight: 800; text-align: left; }
.faq-trigger:hover { background: var(--canvas); }
.faq-icon { color: var(--brand); font-size: 22px; }
.faq-panel { padding: 0 22px 22px; color: var(--text); }

.cta-box { padding: 56px; border-radius: 30px; text-align: center; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); box-shadow: 0 24px 55px rgba(41,128,254,.25); }
.cta-box h2, .cta-box p { color: var(--white); }
.cta-box p { max-width: 720px; margin: 16px auto 0; color: #dfecff; }
.cta-box .download-btn { margin-top: 28px; color: var(--brand-deep); background: var(--white); box-shadow: none; }

.page-hero { padding: 78px 0 62px; background: linear-gradient(145deg, #ffffff, #edf5ff); }
.page-hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 48px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 4.4vw, 62px); }
.page-hero p { margin-top: 20px; max-width: 760px; font-size: 18px; }
.page-hero-visual { min-height: 360px; padding: 26px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 28px; background: rgba(255,255,255,.75); }
.page-hero-visual img { max-height: 360px; object-fit: contain; }
.page-section { padding: 78px 0; }
.info-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.info-card { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.info-card h3 { font-size: 20px; }
.info-card p { margin-top: 12px; color: var(--muted); }
.info-card strong { color: var(--brand-deep); }
.two-column { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; }
.article-panel { padding: 34px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); }
.article-panel h2 { font-size: 30px; }
.article-panel h3 { margin-top: 28px; }
.article-panel p { margin-top: 16px; }
.article-panel ul, .article-panel ol { margin: 18px 0 0; padding-left: 22px; }
.article-panel li + li { margin-top: 9px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
.data-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.data-table th, .data-table td { padding: 17px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { color: var(--ink); background: var(--canvas); }
.data-table tr:last-child td { border-bottom: 0; }
.callout { padding: 28px; border-left: 5px solid var(--brand); border-radius: 18px; background: var(--brand-soft); }
.callout h3 { color: var(--brand-deep); }
.callout p, .callout ul { margin-top: 12px; }
.numbered-list { counter-reset: item; display: grid; gap: 16px; margin-top: 26px; }
.numbered-item { position: relative; padding: 24px 24px 24px 76px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
.numbered-item::before { counter-increment: item; content: counter(item); position: absolute; left: 22px; top: 22px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; color: var(--white); background: var(--brand); font-weight: 900; }
.numbered-item p { margin-top: 8px; color: var(--muted); }

.site-footer { padding: 70px 0 24px; color: #c4d3e8; background: var(--footer); }
.footer-grid { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.45fr repeat(3,1fr); gap: 42px; }
.footer-brand img { width: 170px; height: 46px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { margin-top: 18px; max-width: 420px; color: #b5c8e1; }
.site-footer h2 { margin-bottom: 14px; color: var(--white); font-size: 16px; }
.site-footer a { display: block; padding: 5px 0; color: #c4d3e8; }
.site-footer a:hover { color: var(--white); }
.footer-bottom { width: min(calc(100% - 40px), var(--max)); margin: 44px auto 0; padding-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a { display: inline-block; }

@media (max-width: 1180px) {
  .desktop-nav { gap: 0; }
  .nav-link { padding-inline: 7px; font-size: 13px; }
  .brand img { width: 145px; }
  .more-toggle { display: none; }
}

@media (max-width: 1020px) {
  .desktop-nav, .more-toggle { display: none; }
  .nav-shell { width: min(calc(100% - 28px), var(--max)); min-height: 70px; gap: 14px; }
  .brand { margin-right: auto; }
  .mobile-menu-toggle { display: flex; }
  .nav-actions .download-btn { min-height: 44px; padding: 9px 14px; }
  .hero-grid, .page-hero-grid, .split, .offset-grid, .dual-feature, .security-grid, .swap-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 52px; }
  .hero-visual { min-height: 440px; }
  .note-two { right: 0; }
  .capability-grid { grid-template-columns: repeat(2,1fr); }
  .capability-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .capability-item:nth-child(4) { border-top: 1px solid var(--line); }
  .category-mosaic { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .category-card.featured, .category-card.wide { grid-column: span 1; }
  .split.reverse .media-panel { order: 0; }
  .offset-panel:nth-child(2) { margin-top: 0; }
  .process { grid-template-columns: repeat(3,1fr); gap: 30px 0; }
  .process::before { display: none; }
  .review-grid { grid-template-columns: repeat(2,1fr); }
  .info-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 700px) {
  body { font-size: 15px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .brand img { width: 126px; height: 38px; }
  .nav-shell { min-height: 66px; }
  .nav-actions { gap: 6px; }
  .nav-actions .download-btn { min-height: 42px; padding: 8px 11px; border-radius: 12px; font-size: 13px; white-space: nowrap; }
  .mobile-menu-toggle { width: 42px; min-width: 42px; min-height: 42px; padding: 0; }
  .section { padding: 70px 0; }
  .section-sm { padding: 50px 0; }
  .hero { padding: 42px 0 56px; }
  h1 { font-size: 40px; }
  h2 { font-size: 31px; }
  .lead, .page-hero p { font-size: 16px; }
  .hero-grid { gap: 24px; }
  .hero-copy { padding: 0; }
  .hero-visual { min-height: 380px; }
  .hero-visual img { max-height: 400px; }
  .float-note { position: static; max-width: none; margin-top: 10px; }
  .hero-visual { display: flex; flex-wrap: wrap; align-content: center; justify-content: center; }
  .hero-visual img { flex: 0 0 100%; }
  .note-one, .note-two, .note-three { width: calc(50% - 6px); }
  .capability-bar { margin-top: 0; padding-top: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-item + .capability-item { border-left: 0; border-top: 1px solid var(--line); }
  .category-mosaic, .security-list, .check-grid, .review-grid, .info-grid, .two-column { grid-template-columns: 1fr; }
  .category-card, .category-card.wide { min-height: 200px; }
  .media-panel { min-height: 340px; padding: 18px; }
  .feature-block, .offset-panel, .swap-visual, .swap-checks, .article-panel { padding: 25px; }
  .process { grid-template-columns: 1fr; gap: 18px; }
  .process-step { padding: 0 0 0 72px; text-align: left; min-height: 58px; }
  .step-number { position: absolute; left: 0; top: 0; margin: 0; box-shadow: none; }
  .cta-box { padding: 40px 20px; }
  .page-hero { padding: 52px 0 46px; }
  .page-hero-visual { min-height: 290px; }
  .numbered-item { padding: 20px 18px 20px 66px; }
  .numbered-item::before { left: 18px; top: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-bottom div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}