:root {
  --brand: #2980FE;
  --brand-deep: #1767D6;
  --brand-soft: #EAF3FF;
  --blue-gray: #F5F8FD;
  --gray: #F7F9FC;
  --white: #FFFFFF;
  --ink: #172033;
  --body: #465266;
  --muted: #718096;
  --line: #DCE6F2;
  --footer: #10233F;
  --shadow: 0 16px 40px rgba(23, 103, 214, .10);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1200px;
}
* { 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", "Noto Sans TC", Arial, sans-serif; line-height: 1.72; 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, select { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 88px 0; }
.section-soft { background: var(--blue-gray); }
.section-blue { background: linear-gradient(135deg, #EAF3FF 0%, #F8FBFF 70%); }
.section-dark { color: #fff; background: linear-gradient(135deg, #10233F, #1767D6); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px; color: var(--brand-deep); font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
.section-head > div { max-width: 780px; }
.section-title { margin: 0; font-size: clamp(32px, 4vw, 52px); line-height: 1.16; letter-spacing: -.03em; }
.section-copy { margin: 14px 0 0; color: var(--body); font-size: 17px; }
.section-dark .section-copy, .section-dark .eyebrow { color: #D6E6FF; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-deep); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button, .download-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover, .download-btn:hover { transform: translateY(-2px); }
.button-primary, .download-btn { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); box-shadow: 0 10px 24px rgba(41,128,254,.24); }
.button-secondary { color: var(--brand-deep); background: #fff; border-color: var(--line); }
.button-ghost { color: var(--brand-deep); background: var(--brand-soft); }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(220,230,242,.8); backdrop-filter: blur(18px); }
.header-shell { position: relative; display: flex; align-items: center; gap: 24px; width: min(calc(100% - 32px), 1380px); min-height: 76px; margin-inline: auto; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { object-fit: contain; }
.desktop-nav { display: flex; align-items: stretch; justify-content: center; gap: 2px; flex: 1; min-width: 0; }
.nav-link { display: inline-flex; align-items: center; min-height: 76px; padding: 0 11px; color: #33415B; font-size: 15px; font-weight: 750; white-space: nowrap; border-bottom: 2px solid transparent; }
.nav-link:hover, .nav-link.is-active { color: var(--brand-deep); border-bottom-color: var(--brand); }
.nav-group { position: static; }
.mega-menu { position: absolute; left: 50%; top: calc(100% + 1px); display: grid; grid-template-columns: 250px 1fr; gap: 24px; width: min(860px, calc(100vw - 48px)); padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 0 0 24px 24px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translate(-50%, 10px); transition: opacity .18s ease, transform .18s ease, visibility .18s; }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega-intro { padding: 22px; background: var(--brand-soft); border-radius: 18px; }
.mega-intro strong { display: block; margin-bottom: 8px; font-size: 20px; }
.mega-intro p { margin: 0; color: var(--body); font-size: 14px; }
.mega-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.mega-links a { padding: 13px 14px; border-radius: 14px; }
.mega-links a:hover, .mega-links a:focus { background: var(--gray); }
.mega-links span { display: block; font-weight: 800; }
.mega-links small { display: block; color: var(--muted); }
.header-actions { position: relative; display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.header-download { min-height: 42px; padding-inline: 18px; font-size: 14px; }
.more-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 0 14px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 999px; }
.more-toggle i { width: 5px; height: 5px; background: var(--brand); border-radius: 50%; box-shadow: 8px 0 var(--brand), -8px 0 var(--brand); }
.more-panel { position: absolute; right: 0; top: calc(100% + 12px); width: 190px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.more-panel a { display: block; padding: 10px 12px; border-radius: 10px; }
.more-panel a:hover { background: var(--gray); }
.mobile-menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.mobile-menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 2px; }
.menu-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(16,35,63,.52); opacity: 0; transition: opacity .22s ease; }
.menu-overlay.is-visible { opacity: 1; }
.mobile-menu { position: fixed; right: 0; top: 0; z-index: 1100; display: flex; flex-direction: column; width: min(92vw, 430px); height: 100dvh; background: #fff; box-shadow: -20px 0 50px rgba(16,35,63,.18); transform: translateX(105%); transition: transform .25s ease; }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 12px 20px; border-bottom: 1px solid var(--line); }
.mobile-menu-close { width: 44px; height: 44px; color: var(--ink); background: var(--gray); border: 0; border-radius: 14px; font-size: 30px; line-height: 1; }
.mobile-menu-body { flex: 1; overflow-y: auto; padding: 18px 20px; }
.mobile-home, .mobile-menu summary { display: flex; align-items: center; justify-content: space-between; min-height: 50px; padding: 0 14px; font-weight: 800; border-radius: 12px; }
.mobile-menu summary { cursor: pointer; list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after { content: "+"; color: var(--brand); font-size: 22px; }
.mobile-menu details[open] summary::after { content: "−"; }
.mobile-menu details div { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; padding: 6px 14px 14px; }
.mobile-menu details a { min-height: 44px; padding: 10px 12px; color: var(--body); background: var(--gray); border-radius: 10px; }
.mobile-menu-foot { padding: 16px 20px 24px; border-top: 1px solid var(--line); }
.mobile-menu-foot .download-btn { width: 100%; }
.hero { position: relative; overflow: hidden; padding: 76px 0 62px; background: radial-gradient(circle at 82% 18%, rgba(41,128,254,.20), transparent 34%), linear-gradient(180deg, #F8FBFF, #fff); }
.hero::after { content: ""; position: absolute; right: -140px; top: -120px; width: 420px; height: 420px; border: 1px solid rgba(41,128,254,.18); border-radius: 50%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.14fr .86fr; align-items: center; gap: 52px; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(44px, 6vw, 76px); line-height: 1.05; letter-spacing: -.05em; }
.hero-lead { margin: 22px 0 0; max-width: 730px; color: var(--body); font-size: 20px; }
.hero-body { margin: 16px 0 0; max-width: 760px; color: var(--body); }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag { padding: 8px 13px; color: var(--brand-deep); background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 800; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 10% 3%; background: linear-gradient(135deg, rgba(41,128,254,.18), rgba(255,255,255,.4)); border: 1px solid rgba(41,128,254,.18); border-radius: 44% 56% 52% 48% / 42% 42% 58% 58%; }
.hero-product { position: relative; z-index: 2; max-height: 500px; object-fit: contain; filter: drop-shadow(0 26px 34px rgba(23,103,214,.18)); }
.float-note { position: absolute; z-index: 3; min-width: 176px; padding: 13px 16px; background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 15px; box-shadow: var(--shadow); font-size: 14px; font-weight: 800; }
.float-note::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; background: var(--brand); border-radius: 50%; }
.float-note.one { left: 0; top: 20%; }
.float-note.two { right: 0; top: 43%; }
.float-note.three { left: 6%; bottom: 14%; }
.capability-bar { position: relative; z-index: 2; margin-top: -18px; }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.capability-item { padding: 24px; }
.capability-item + .capability-item { border-left: 1px solid var(--line); }
.capability-item strong { display: block; margin-bottom: 8px; font-size: 18px; }
.capability-item p { margin: 0; color: var(--body); font-size: 14px; }
.category-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.category-card { position: relative; min-height: 220px; padding: 26px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 10px 28px rgba(16,35,63,.05); }
.category-card::after { content: ""; position: absolute; right: -26px; bottom: -28px; width: 90px; height: 90px; background: var(--brand-soft); border-radius: 50%; }
.category-card.featured { grid-column: span 2; background: linear-gradient(135deg, #1767D6, #2980FE); color: #fff; }
.category-card.wide { grid-column: span 2; }
.category-card h3 { position: relative; z-index: 1; margin: 0 0 12px; font-size: 23px; }
.category-card p { position: relative; z-index: 1; margin: 0 0 18px; color: var(--body); }
.category-card.featured p, .category-card.featured .text-link { color: #fff; }
.category-number { display: inline-grid; place-items: center; width: 36px; height: 36px; margin-bottom: 24px; color: var(--brand-deep); background: var(--brand-soft); border-radius: 12px; font-weight: 900; }
.category-card.featured .category-number { color: #fff; background: rgba(255,255,255,.18); }
.split-feature { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 54px; padding: 48px; background: linear-gradient(135deg, #EAF3FF, #F9FCFF); border: 1px solid #D7E8FF; border-radius: var(--radius-xl); }
.feature-image { display: grid; place-items: center; min-height: 430px; padding: 26px; background: rgba(255,255,255,.72); border-radius: 24px; }
.feature-image img { max-height: 430px; object-fit: contain; }
.check-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 31px; color: var(--body); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; display: grid; place-items: center; width: 21px; height: 21px; color: #fff; background: var(--brand); border-radius: 50%; font-size: 12px; font-weight: 900; }
.dual-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.topic-panel { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-xl); }
.topic-panel.offset { transform: translateY(34px); }
.topic-panel h3 { margin: 0 0 14px; font-size: 30px; }
.topic-panel p { color: var(--body); }
.topic-panel ul { padding-left: 20px; color: var(--body); }
.visual-topic-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
.visual-topic { min-height: 480px; padding: 38px; overflow: hidden; border-radius: var(--radius-xl); }
.visual-topic.primary { display: grid; grid-template-columns: 1fr .8fr; gap: 30px; align-items: center; color: #fff; background: linear-gradient(135deg, #1767D6, #2980FE); }
.visual-topic.secondary { background: #fff; border: 1px solid var(--line); }
.visual-topic img { max-height: 350px; object-fit: contain; margin: auto; }
.security-layout { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 48px; }
.security-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.security-list article { padding: 18px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; }
.security-list h3 { margin: 0 0 6px; font-size: 17px; }
.security-list p { margin: 0; color: #D6E6FF; font-size: 14px; }
.hardware-grid, .swap-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 54px; }
.hardware-grid img, .swap-grid img { max-height: 470px; margin-inline: auto; object-fit: contain; }
.swap-checks { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.swap-checks span { padding: 15px 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; font-weight: 750; }
.process { display: grid; grid-template-columns: repeat(6,1fr); gap: 14px; }
.process-step { position: relative; padding: 22px 18px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.process-step:not(:last-child)::after { content: ""; position: absolute; right: -15px; top: 39px; width: 16px; height: 2px; background: var(--brand); }
.process-number { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 18px; color: #fff; background: var(--brand); border-radius: 13px; font-weight: 900; }
.process-step h3 { margin: 0 0 8px; font-size: 18px; }
.process-step p { margin: 0 0 14px; color: var(--body); font-size: 14px; }
.eco-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.eco-card { padding: 36px; border-radius: var(--radius-xl); }
.eco-card:first-child { background: #fff; border: 1px solid var(--line); }
.eco-card:last-child { background: var(--brand-soft); border: 1px solid #CFE2FF; }
.timeline { display: grid; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 140px 1fr auto; align-items: center; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.timeline-item time { color: var(--brand-deep); font-weight: 800; }
.timeline-item h3 { margin: 0 0 5px; font-size: 19px; }
.timeline-item p { margin: 0; color: var(--body); }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review { padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.review:nth-child(2), .review:nth-child(5) { transform: translateY(20px); }
.review p { margin: 0; color: var(--body); }
.review strong { display: block; margin-top: 18px; color: var(--brand-deep); }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.faq-item > button { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; min-height: 62px; padding: 14px 20px; color: var(--ink); background: transparent; border: 0; text-align: left; font-weight: 800; }
.faq-item > button::after { content: "+"; color: var(--brand); font-size: 25px; }
.faq-item.is-open > button::after { content: "−"; }
.faq-answer { padding: 0 20px 20px; color: var(--body); }
.faq-answer p { margin: 0; }
.cta-panel { position: relative; overflow: hidden; padding: 62px 32px; text-align: center; color: #fff; background: linear-gradient(135deg, #1767D6, #2980FE); border-radius: var(--radius-xl); }
.cta-panel::before, .cta-panel::after { content: ""; position: absolute; width: 220px; height: 220px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.cta-panel::before { left: -100px; top: -110px; }
.cta-panel::after { right: -100px; bottom: -130px; }
.cta-panel h2 { position: relative; margin: 0; font-size: clamp(32px,4vw,52px); }
.cta-panel p { position: relative; max-width: 680px; margin: 16px auto 0; color: #E8F1FF; }
.cta-panel .download-btn { position: relative; margin-top: 24px; color: var(--brand-deep); background: #fff; box-shadow: none; }
.page-hero { padding: 72px 0 58px; background: linear-gradient(180deg, #F4F8FF, #fff); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 44px; }
.page-hero h1 { margin: 0; font-size: clamp(42px,6vw,68px); line-height: 1.08; letter-spacing: -.04em; }
.page-hero p { max-width: 760px; margin: 18px 0 0; color: var(--body); font-size: 18px; }
.page-hero-art { min-height: 280px; display: grid; place-items: center; padding: 30px; background: radial-gradient(circle at 50% 50%, #DCEBFF, #F8FBFF 68%); border: 1px solid var(--line); border-radius: var(--radius-xl); }
.page-hero-art img { max-height: 330px; object-fit: contain; }
.content-grid { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 42px; align-items: start; }
.prose { color: var(--body); font-size: 17px; }
.prose h2, .prose h3 { color: var(--ink); line-height: 1.25; }
.prose h2 { margin: 52px 0 14px; font-size: 34px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 30px 0 8px; font-size: 23px; }
.prose p { margin: 0 0 18px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 8px 0; }
.info-box { padding: 24px; margin: 26px 0; background: var(--brand-soft); border: 1px solid #CFE2FF; border-radius: 18px; }
.info-box strong { color: var(--brand-deep); }
.warning-box { padding: 24px; margin: 26px 0; background: #FFF8E8; border: 1px solid #F4D79A; border-radius: 18px; }
.side-nav { position: sticky; top: 102px; padding: 22px; background: var(--gray); border: 1px solid var(--line); border-radius: 20px; }
.side-nav h2 { margin: 0 0 12px; font-size: 18px; }
.side-nav a { display: block; padding: 10px 12px; color: var(--body); border-radius: 10px; }
.side-nav a:hover { color: var(--brand-deep); background: #fff; }
.steps { display: grid; gap: 16px; counter-reset: steps; }
.step-card { position: relative; padding: 24px 24px 24px 78px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.step-card::before { counter-increment: steps; content: counter(steps); position: absolute; left: 22px; top: 24px; display: grid; place-items: center; width: 38px; height: 38px; color: #fff; background: var(--brand); border-radius: 12px; font-weight: 900; }
.step-card h3 { margin-top: 0; }
.data-table { width: 100%; border-collapse: collapse; margin: 24px 0; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.data-table th, .data-table td { padding: 15px 17px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.data-table th { color: var(--ink); background: var(--brand-soft); }
.data-table tr:last-child td { border-bottom: 0; }
.contact-options { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 30px; }
.contact-option { padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.contact-option h3 { margin: 0 0 8px; }
.site-footer { color: #DDE8F7; background: var(--footer); }
.footer-main { display: grid; grid-template-columns: 1.05fr 1.95fr; gap: 68px; width: min(calc(100% - 40px), var(--max)); margin-inline: auto; padding: 68px 0 48px; }
.footer-brand img { filter: brightness(0) invert(1); }
.footer-brand p { max-width: 390px; color: #AFC1D8; }
.footer-download { margin-top: 10px; }
.footer-columns { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; }
.footer-columns h2 { margin: 0 0 16px; color: #fff; font-size: 16px; }
.footer-columns a { display: block; margin: 9px 0; color: #AFC1D8; }
.footer-columns a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; width: min(calc(100% - 40px), var(--max)); margin-inline: auto; padding: 22px 0 28px; border-top: 1px solid rgba(255,255,255,.10); color: #91A7C2; font-size: 13px; }
.footer-bottom p { margin: 0; }
@media (max-width: 1180px) {
  .desktop-nav { display: none; }
  .header-shell { justify-content: space-between; }
  .mobile-menu-toggle { display: block; }
  .more-toggle, .more-panel { display: none; }
  .process { grid-template-columns: repeat(3,1fr); }
  .process-step:nth-child(3)::after { display: none; }
}
@media (max-width: 900px) {
  .section { padding: 70px 0; }
  .hero-grid, .page-hero-grid, .split-feature, .security-layout, .hardware-grid, .swap-grid, .content-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 430px; }
  .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-grid { grid-template-columns: repeat(2,1fr); }
  .category-card.featured, .category-card.wide { grid-column: span 2; }
  .dual-grid, .visual-topic-grid, .eco-grid { grid-template-columns: 1fr; }
  .topic-panel.offset { transform: none; }
  .visual-topic.primary { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: repeat(2,1fr); }
  .review:nth-child(2), .review:nth-child(5) { transform: none; }
  .side-nav { position: static; order: -1; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; }
  .footer-columns { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-shell { width: calc(100% - 20px); min-height: 66px; gap: 8px; }
  .brand img { width: 126px; height: auto; }
  .header-download { min-height: 40px; padding-inline: 14px; font-size: 13px; }
  .mobile-menu-toggle { width: 42px; height: 42px; }
  .section { padding: 58px 0; }
  .section-head { display: block; margin-bottom: 28px; }
  .section-title { font-size: 34px; }
  .hero { padding: 54px 0 46px; }
  .hero h1 { font-size: 44px; }
  .hero-lead { font-size: 18px; }
  .hero-grid { gap: 28px; }
  .hero-visual { min-height: 370px; }
  .hero-product { max-height: 350px; }
  .float-note { min-width: auto; padding: 10px 12px; font-size: 12px; }
  .float-note.one { left: 0; top: 10%; }
  .float-note.two { right: 0; top: 48%; }
  .float-note.three { left: 3%; bottom: 2%; }
  .capability-bar { margin-top: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-item + .capability-item { border-left: 0; border-top: 1px solid var(--line); }
  .category-grid { grid-template-columns: 1fr; }
  .category-card.featured, .category-card.wide { grid-column: span 1; }
  .split-feature { padding: 24px; }
  .feature-image { min-height: 300px; }
  .visual-topic.primary { grid-template-columns: 1fr; }
  .visual-topic { min-height: auto; padding: 28px; }
  .security-list, .swap-checks { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process-step:not(:last-child)::after { display: none; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
  .review-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 48px 22px; }
  .page-hero { padding: 52px 0 42px; }
  .page-hero h1 { font-size: 42px; }
  .page-hero-art { min-height: 240px; }
  .prose h2 { font-size: 29px; }
  .data-table { display: block; overflow-x: auto; }
  .contact-options { grid-template-columns: 1fr; }
  .footer-columns { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
  .footer-bottom { display: block; }
  .footer-bottom p + p { margin-top: 8px; }
}