:root {
  --blue: #2980FE;
  --deep-blue: #1767D6;
  --pale-blue: #EAF3FF;
  --ice: #F5F8FD;
  --gray: #F7F9FC;
  --white: #FFFFFF;
  --ink: #172033;
  --body: #465266;
  --muted: #718096;
  --line: #DCE6F2;
  --footer: #10233F;
  --shadow: 0 18px 50px rgba(32, 80, 140, .10);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shell: min(1180px, calc(100% - 40px));
}
* { 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", sans-serif; line-height: 1.7; 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 { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 9999; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(220,230,242,.8); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 22px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { width: 158px; max-height: 46px; object-fit: contain; }
.desktop-nav { min-width: 0; flex: 1; display: flex; align-items: center; justify-content: center; gap: 2px; white-space: nowrap; }
.nav-link, .nav-trigger { min-height: 44px; display: inline-flex; align-items: center; gap: 5px; padding: 8px 10px; border: 0; border-radius: 12px; background: transparent; color: var(--body); cursor: pointer; font-size: 14px; font-weight: 650; }
.nav-link:hover, .nav-trigger:hover, .nav-group:focus-within > .nav-trigger, .nav-link.is-active, .nav-group.is-active > .nav-trigger { color: var(--blue); background: var(--pale-blue); }
.nav-group { position: relative; }
.mega-menu { position: absolute; left: 50%; top: calc(100% + 12px); width: 720px; padding: 22px; display: grid; grid-template-columns: .8fr 1.8fr; gap: 22px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: .2s ease; }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.compact-menu { width: 620px; }
.align-right { left: auto; right: 0; transform: translate(0, 8px); }
.nav-group:hover .align-right, .nav-group:focus-within .align-right { transform: translate(0, 0); }
.mega-intro { padding: 18px; border-radius: 18px; background: linear-gradient(145deg, var(--pale-blue), #fff); }
.mega-intro strong { display: block; margin-bottom: 8px; font-size: 18px; }
.mega-intro p { margin: 0; color: var(--muted); font-size: 13px; }
.mega-links { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.mega-links a { display: block; min-height: 74px; padding: 12px 14px; border-radius: 14px; }
.mega-links a:hover, .mega-links a:focus { background: var(--ice); color: var(--blue); }
.mega-links b { display: block; font-size: 14px; }
.mega-links span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.header-actions { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.download-btn, .primary-button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border: 1px solid var(--blue); border-radius: 999px; background: linear-gradient(135deg, var(--blue), var(--deep-blue)); color: #fff; box-shadow: 0 10px 24px rgba(41,128,254,.22); font-weight: 750; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease; }
.download-btn:hover, .primary-button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(41,128,254,.28); }
.secondary-button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font-weight: 700; }
.secondary-button:hover { color: var(--blue); border-color: var(--blue); }
.icon-button, .mobile-close { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 13px; background: #fff; cursor: pointer; }
.more-wrap { position: relative; }
.more-menu { position: absolute; right: 0; top: calc(100% + 10px); min-width: 170px; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s ease; }
.more-wrap.is-open .more-menu { opacity: 1; visibility: visible; transform: none; }
.more-menu a { display: block; padding: 10px 12px; border-radius: 10px; }
.more-menu a:hover { color: var(--blue); background: var(--ice); }
.mobile-menu-button { display: none; flex-direction: column; gap: 4px; }
.mobile-menu-button span { width: 19px; height: 2px; background: var(--ink); border-radius: 2px; }
.mobile-overlay { position: fixed; inset: 0; z-index: 1500; }
.mobile-overlay[hidden] { display: none; }
.mobile-backdrop { position: absolute; inset: 0; background: rgba(16,35,63,.48); opacity: 0; transition: .22s ease; }
.mobile-panel { position: absolute; right: 0; top: 0; width: min(420px, 92vw); height: 100%; overflow-y: auto; padding: 18px; background: #fff; transform: translateX(100%); transition: .22s ease; }
.mobile-overlay.is-open .mobile-backdrop { opacity: 1; }
.mobile-overlay.is-open .mobile-panel { transform: none; }
.mobile-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.mobile-close { font-size: 30px; }
.mobile-home, .mobile-panel summary { min-height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: 12px; font-weight: 750; cursor: pointer; }
.mobile-home:hover, .mobile-panel summary:hover { background: var(--ice); color: var(--blue); }
.mobile-panel details { border-bottom: 1px solid var(--line); }
.mobile-panel details div { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 0 8px 12px; }
.mobile-panel details a { min-height: 44px; display: flex; align-items: center; padding: 8px 10px; border-radius: 10px; color: var(--body); }
.mobile-panel details a:hover { background: var(--pale-blue); color: var(--blue); }
.mobile-download { width: 100%; margin-top: 20px; }
main { min-height: 60vh; }
.section { padding: 88px 0; }
.section-sm { padding: 58px 0; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--blue); }
h1, h2, h3 { margin-top: 0; line-height: 1.2; letter-spacing: -.02em; }
h1 { font-size: clamp(38px, 5vw, 70px); margin-bottom: 22px; }
h2 { font-size: clamp(28px, 3.2vw, 44px); margin-bottom: 16px; }
h3 { font-size: 21px; margin-bottom: 10px; }
p { margin-top: 0; }
.lead { color: var(--body); font-size: clamp(17px, 2vw, 20px); }
.muted { color: var(--muted); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero { position: relative; overflow: hidden; padding: 86px 0 74px; background: radial-gradient(circle at 80% 20%, rgba(41,128,254,.16), transparent 35%), linear-gradient(180deg, #fff 0%, var(--ice) 100%); }
.hero::after { content: ""; position: absolute; width: 320px; height: 320px; left: -150px; bottom: -220px; border-radius: 50%; border: 60px solid rgba(41,128,254,.06); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero-copy { max-width: 690px; }
.hero-copy .lead { max-width: 650px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.hero-tags span { padding: 8px 13px; border: 1px solid #cfe1fb; border-radius: 999px; background: rgba(255,255,255,.8); color: var(--deep-blue); font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 430px; height: 430px; border-radius: 50%; background: radial-gradient(circle, rgba(41,128,254,.18), rgba(41,128,254,.02) 68%, transparent 69%); }
.hero-visual img { position: relative; z-index: 1; max-height: 520px; object-fit: contain; filter: drop-shadow(0 30px 45px rgba(31,82,146,.18)); }
.float-note { position: absolute; z-index: 2; max-width: 185px; padding: 12px 15px; border: 1px solid rgba(220,230,242,.95); border-radius: 15px; background: rgba(255,255,255,.9); box-shadow: 0 12px 30px rgba(32,80,140,.10); font-size: 13px; font-weight: 750; }
.float-one { left: 0; top: 15%; }.float-two { right: 0; top: 42%; }.float-three { left: 4%; bottom: 9%; }
.capability-strip { margin-top: -24px; position: relative; z-index: 2; }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.capability-item { padding: 24px; border-right: 1px solid var(--line); }
.capability-item:last-child { border-right: 0; }
.capability-item strong { display: block; margin-bottom: 6px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 13px; }
.category-area { background: #fff; }
.category-row { display: grid; gap: 16px; margin-bottom: 16px; }
.category-row:last-child { margin-bottom: 0; }
.category-row.row-one { grid-template-columns: 2fr 1fr 1fr 1fr; }
.category-row.row-two { grid-template-columns: repeat(3,1fr); }
.category-row.row-three { grid-template-columns: 1fr 1.45fr 1.45fr; }
.category-card { position: relative; min-height: 230px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--gray); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.category-card:hover { transform: translateY(-4px); border-color: #b9d4fb; box-shadow: var(--shadow); }
.category-card.featured { min-height: 250px; background: linear-gradient(145deg, var(--blue), var(--deep-blue)); color: #fff; }
.category-card.featured p, .category-card.featured a { color: rgba(255,255,255,.9); }
.category-card:nth-child(2n) { background: var(--pale-blue); }
.category-card::after { content: attr(data-index); position: absolute; right: 18px; bottom: -20px; color: rgba(41,128,254,.08); font-size: 90px; font-weight: 900; line-height: 1; }
.category-card.featured::after { color: rgba(255,255,255,.12); }
.category-card p { color: var(--body); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-weight: 750; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.feature-band { background: var(--pale-blue); }
.media-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: center; padding: 48px; border-radius: var(--radius-lg); background: rgba(255,255,255,.74); box-shadow: inset 0 0 0 1px rgba(220,230,242,.9); }
.media-panel.reverse { grid-template-columns: 1.1fr .9fr; }
.media-panel.reverse .media-art { order: 2; }
.media-art { min-height: 400px; display: grid; place-items: center; border-radius: 24px; background: linear-gradient(145deg, #fff, #edf5ff); }
.media-art img { max-height: 440px; object-fit: contain; }
.check-list { display: grid; gap: 10px; padding: 0; margin: 24px 0 0; list-style: none; }
.check-list li { position: relative; padding: 13px 16px 13px 45px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.check-list li::before { content: "✓"; position: absolute; left: 16px; top: 13px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--pale-blue); color: var(--blue); font-weight: 900; }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.split-panel { padding: 38px; border-radius: var(--radius-lg); background: var(--ice); border: 1px solid var(--line); }
.split-panel.offset { transform: translateY(32px); background: #fff; box-shadow: var(--shadow); }
.split-panel ul { padding-left: 20px; color: var(--body); }
.dual-feature { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.dual-feature article { min-height: 420px; padding: 42px; border-radius: var(--radius-lg); overflow: hidden; }
.dual-feature article:first-child { background: linear-gradient(145deg, #eef6ff, #fff); border: 1px solid var(--line); }
.dual-feature article:last-child { margin-top: 64px; background: var(--gray); border: 1px solid var(--line); }
.dual-feature img { max-height: 220px; margin: 26px auto 0; object-fit: contain; }
.security-section { background: linear-gradient(135deg, var(--footer), #174273 65%, #2569b6); color: #fff; }
.security-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: center; }
.security-section .lead, .security-section .muted { color: rgba(255,255,255,.78); }
.security-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.security-list div { padding: 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 15px; background: rgba(255,255,255,.08); }
.security-list strong { display: block; margin-bottom: 5px; }
.security-list span { color: rgba(255,255,255,.72); font-size: 13px; }
.security-callout { margin-top: 20px; padding: 18px; border-radius: 16px; background: rgba(234,243,255,.12); border: 1px solid rgba(255,255,255,.2); }
.hardware-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.hardware-art { padding: 36px; border-radius: 50px 20px 50px 20px; background: linear-gradient(145deg, var(--ice), var(--pale-blue)); }
.hardware-art img { max-height: 460px; margin: auto; object-fit: contain; }
.swap-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; padding: 38px; border-radius: var(--radius-lg); background: var(--gray); border: 1px solid var(--line); }
.swap-intro { padding: 28px; border-radius: 22px; background: #fff; }
.swap-intro img { max-height: 230px; margin: 22px auto 0; object-fit: contain; }
.flow { display: grid; grid-template-columns: repeat(6,1fr); gap: 12px; }
.flow-step { position: relative; padding: 24px 18px; border-top: 3px solid var(--blue); background: #fff; box-shadow: 0 10px 28px rgba(32,80,140,.08); }
.flow-step:nth-child(even) { transform: translateY(24px); }
.flow-number { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 50%; background: var(--pale-blue); color: var(--blue); font-weight: 900; }
.flow-step p { color: var(--muted); font-size: 13px; }
.ecosystem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ecosystem-card { padding: 40px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff; }
.ecosystem-card:first-child { background: linear-gradient(145deg, var(--pale-blue), #fff); }
.timeline { border-left: 2px solid var(--line); margin-left: 12px; padding-left: 26px; }
.timeline-item { position: relative; padding: 0 0 28px; }
.timeline-item::before { content: ""; position: absolute; left: -34px; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px var(--pale-blue); }
.timeline-item time { color: var(--blue); font-size: 13px; font-weight: 800; }
.timeline-item p { color: var(--body); margin-bottom: 7px; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.review { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.review:nth-child(2), .review:nth-child(5) { transform: translateY(22px); background: var(--ice); }
.review p { color: var(--body); }
.review span { color: var(--muted); font-size: 13px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0; border: 0; background: transparent; text-align: left; font-weight: 800; cursor: pointer; }
.faq-question::after { content: "+"; width: 32px; height: 32px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--pale-blue); color: var(--blue); }
.faq-item.is-open .faq-question::after { content: "−"; }
.faq-answer { padding: 0 52px 22px 0; color: var(--body); }
.cta-section { padding: 70px 0; background: linear-gradient(135deg, #eaf3ff, #f8fbff); }
.cta-box { position: relative; overflow: hidden; padding: 58px; border-radius: 32px; background: #fff; text-align: center; box-shadow: var(--shadow); }
.cta-box::before, .cta-box::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; background: rgba(41,128,254,.08); }
.cta-box::before { left: -70px; top: -80px; }.cta-box::after { right: -60px; bottom: -100px; }
.cta-box > * { position: relative; z-index: 1; }
.inner-hero { padding: 82px 0 66px; background: linear-gradient(180deg, #fff, var(--ice)); border-bottom: 1px solid var(--line); }
.inner-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 44px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px, 4.5vw, 62px); }
.inner-hero-card { padding: 28px; border-radius: 24px; background: linear-gradient(145deg, var(--pale-blue), #fff); border: 1px solid var(--line); }
.inner-hero-card ul { margin: 0; padding-left: 20px; color: var(--body); }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.content-card { padding: 32px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.content-card:nth-child(3n+2) { background: var(--ice); }
.content-card p { color: var(--body); }
.steps-list { counter-reset: step; display: grid; gap: 14px; }
.step-row { counter-increment: step; display: grid; grid-template-columns: 58px 1fr; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.step-row::before { content: counter(step, decimal-leading-zero); width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; background: var(--pale-blue); color: var(--blue); font-weight: 900; }
.notice-box { padding: 26px; border-left: 4px solid var(--blue); border-radius: 0 18px 18px 0; background: var(--pale-blue); }
.notice-box strong { display: block; margin-bottom: 8px; }
.data-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
.data-table { width: 100%; border-collapse: collapse; min-width: 680px; }
.data-table th, .data-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { background: var(--ice); color: var(--ink); }
.data-table td { color: var(--body); }
.data-table tr:last-child td { border-bottom: 0; }
.support-categories { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.support-category { padding: 28px; border-radius: 20px; border: 1px solid var(--line); background: #fff; }
.support-category p { color: var(--muted); }
.policy-article { max-width: 850px; margin: auto; }
.policy-article section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.policy-article section:last-child { border-bottom: 0; }
.site-footer { padding: 64px 0 20px; background: var(--footer); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 42px; }
.footer-brand img { filter: brightness(0) invert(1); }
.footer-brand p { max-width: 350px; color: rgba(255,255,255,.66); }
.footer-grid h2 { margin-bottom: 16px; font-size: 15px; }
.footer-grid a { display: block; margin: 8px 0; color: rgba(255,255,255,.68); font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.55); font-size: 13px; }
.footer-bottom span:last-child { display: flex; gap: 20px; }
@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .header-inner { min-height: 70px; }
  .header-actions { margin-left: auto; }
  .mobile-menu-button { display: inline-flex; }
  .more-wrap { display: none; }
  .hero-grid, .inner-hero-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .hero-visual { min-height: 460px; }
  .flow { grid-template-columns: repeat(3,1fr); }
  .flow-step:nth-child(even) { transform: none; }
}
@media (max-width: 860px) {
  :root { --shell: min(100% - 28px, 760px); }
  .section { padding: 68px 0; }
  .hero { padding-top: 56px; }
  .hero-grid, .inner-hero-grid, .media-panel, .media-panel.reverse, .security-grid, .hardware-panel, .swap-panel { grid-template-columns: 1fr; }
  .media-panel.reverse .media-art { order: 0; }
  .hero-visual { min-height: 420px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-item:nth-child(2) { border-right: 0; }
  .capability-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .category-row.row-one, .category-row.row-two, .category-row.row-three { grid-template-columns: 1fr 1fr; }
  .category-row.row-one .featured { grid-column: 1 / -1; }
  .split-grid, .dual-feature, .ecosystem-grid, .content-grid { grid-template-columns: 1fr; }
  .split-panel.offset, .dual-feature article:last-child, .review:nth-child(2), .review:nth-child(5) { transform: none; margin-top: 0; }
  .security-list { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr 1fr; }
  .support-categories { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  :root { --shell: calc(100% - 24px); --radius-lg: 22px; }
  .site-header .brand img { width: 126px; }
  .header-actions { gap: 6px; }
  .header-actions > .download-btn { padding-inline: 13px; font-size: 13px; }
  .hero { padding: 42px 0 52px; }
  h1 { font-size: 39px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 370px; }
  .hero-visual::before { width: 330px; height: 330px; }
  .hero-visual img { max-height: 370px; }
  .float-note { position: static; max-width: none; flex: 1 1 calc(50% - 8px); }
  .hero-visual { display: flex; flex-wrap: wrap; align-content: center; gap: 8px; }
  .hero-visual img { width: 100%; }
  .capability-grid, .category-row.row-one, .category-row.row-two, .category-row.row-three, .security-list, .review-grid, .support-categories { grid-template-columns: 1fr; }
  .capability-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-item:last-child { border-bottom: 0; }
  .category-row.row-one .featured { grid-column: auto; }
  .category-card { min-height: 0; }
  .media-panel, .swap-panel, .cta-box { padding: 26px; }
  .media-art { min-height: 300px; }
  .dual-feature article { min-height: auto; padding: 28px; }
  .security-section { text-align: left; }
  .flow { grid-template-columns: 1fr; }
  .flow-step { display: grid; grid-template-columns: 48px 1fr; column-gap: 14px; }
  .flow-number { grid-row: 1 / span 3; }
  .flow-step h3, .flow-step p, .flow-step a { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .button-row { flex-direction: column; }
  .button-row a { width: 100%; }
  .step-row { grid-template-columns: 46px 1fr; padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}